I have just updated Ubuntu 17.04 to 17.10 (since version 17.04 reached its 
end-of-life point). Sage was uninstalled in the process. The binary I 
reinstalled from the standard repositories crashed, so the only option I 
had left was to install the most recent stable version of Sage (8.1) from 
source.

I get: (end of the log file)

************************************************************************
Error installing package giac-1.2.3.47.p0
************************************************************************
Please email sage-devel (http://groups.google.com/group/sage-devel)
explaining the problem and including the log file
  /home/ahelfgo/Downloads/sage-8.1/logs/pkgs/giac-1.2.3.47.p0.log
Describe your computer, operating system, etc.
If you want to try to fix the problem yourself, *don't* just cd to
/home/ahelfgo/Downloads/sage-8.1/local/var/tmp/sage/build/giac-1.2.3.47.p0 
and type 'make' or whatever is appropriate.
Instead, the following commands setup all environment variables
correctly and load a subshell for you to debug the error:
  (cd 
'/home/ahelfgo/Downloads/sage-8.1/local/var/tmp/sage/build/giac-1.2.3.47.p0' 
&& '/home/ahelfgo/Downloads/sage-8.1/sage' --sh)
When you are done debugging, you can type "exit" to leave the subshell.
************************************************************************

I am attaching the entire log file for giac. 

What is the issue here? What can be done?

Best
Harald
harald.helfg...@gmail.com
PS. The computer is a Dell XPS Ultrabook with the following specifications:

Memory: 7,7 GiB
Processor: Intel® Core™ i5-7200U CPU @ 2.50GHz × 4 
Ubuntu 17.10
Gnome 3.26.2

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Found local metadata for giac-1.2.3.47.p0
Using cached file 
/home/ahelfgo/Downloads/sage-8.1/upstream/giac-1.2.3.47.tar.bz2
giac-1.2.3.47.p0
====================================================
Setting up build directory for giac-1.2.3.47.p0
Finished extraction
Applying patches from ../patches...
Applying ../patches/cSolveorder-check.patch
patching file check/TP16-sol.cas.out1
Applying ../patches/libpng16.patch
patching file configure.in
patching file configure
Applying ../patches/macos-ifactor.patch
patching file src/ifactor.cc
Applying ../patches/nofltk-check.patch
patching file check/testgeo
patching file check/TP00-sol.cas
patching file check/TP00-sol.cas.out1
patching file check/TP02-sol.cas
patching file check/TP09-sol.cas
patching file check/TP19-sol.cas
****************************************************
Host system:
Linux ahelfgo-XPS-13-9360 4.13.0-32-generic #35-Ubuntu SMP Thu Jan 25 09:13:46 
UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
****************************************************
C compiler: gcc
C compiler version:
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/7/lto-wrapper
OFFLOAD_TARGET_NAMES=nvptx-none
OFFLOAD_TARGET_DEFAULT=1
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Ubuntu 7.2.0-8ubuntu3' 
--with-bugurl=file:///usr/share/doc/gcc-7/README.Bugs 
--enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++ --prefix=/usr 
--with-gcc-major-version-only --program-suffix=-7 
--program-prefix=x86_64-linux-gnu- --enable-shared --enable-linker-build-id 
--libexecdir=/usr/lib --without-included-gettext --enable-threads=posix 
--libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu 
--enable-libstdcxx-debug --enable-libstdcxx-time=yes 
--with-default-libstdcxx-abi=new --enable-gnu-unique-object 
--disable-vtable-verify --enable-libmpx --enable-plugin --enable-default-pie 
--with-system-zlib --with-target-system-zlib --enable-objc-gc=auto 
--enable-multiarch --disable-werror --with-arch-32=i686 --with-abi=m64 
--with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic 
--enable-offload-targets=nvptx-none --without-cuda-driver 
--enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu 
--target=x86_64-linux-gnu
Thread model: posix
gcc version 7.2.0 (Ubuntu 7.2.0-8ubuntu3) 
****************************************************
Configuring giac...
configure: WARNING: you should use --build, --host, --target
checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for a thread-safe mkdir -p... /bin/mkdir -p
checking for gawk... gawk
checking whether make sets $(MAKE)... yes
checking for gcc... gcc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables... 
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether gcc accepts -g... yes
checking for gcc option to accept ISO C89... none needed
checking for style of include used by make... GNU
checking dependency style of gcc... gcc3
checking whether ln -s works... yes
checking whether we are using the GNU C++ compiler... yes
checking whether g++ accepts -g... yes
checking dependency style of g++... gcc3
checking how to run the C++ preprocessor... g++ -E
checking build system type... x86_64-pc-linux-gnu
checking host system type... x86_64-pc-linux-gnu
checking for a sed that does not truncate output... /bin/sed
checking for grep that handles long lines and -e... /bin/grep
checking for egrep... /bin/grep -E
checking for fgrep... /bin/grep -F
checking for ld used by gcc... ld
checking if the linker (ld) is GNU ld... yes
checking for BSD- or MS-compatible name lister (nm)... /usr/bin/nm -B
checking the name lister (/usr/bin/nm -B) interface... BSD nm
checking the maximum length of command line arguments... 1572864
checking whether the shell understands some XSI constructs... yes
checking whether the shell understands "+="... yes
checking for ld option to reload object files... -r
checking how to recognize dependent libraries... pass_all
checking for ar... ar
checking for strip... strip
checking for ranlib... ranlib
checking command to parse /usr/bin/nm -B output from gcc object... ok
checking how to run the C preprocessor... gcc -E
checking for ANSI C header files... yes
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for unistd.h... yes
checking for dlfcn.h... yes
checking whether we are using the GNU C++ compiler... (cached) yes
checking whether g++ accepts -g... (cached) yes
checking dependency style of g++... (cached) gcc3
checking how to run the C++ preprocessor... g++ -E
checking for objdir... .libs
checking if gcc supports -fno-rtti -fno-exceptions... no
checking for gcc option to produce PIC... -fPIC -DPIC
checking if gcc PIC flag -fPIC -DPIC works... yes
checking if gcc static flag -static works... yes
checking if gcc supports -c -o file.o... yes
checking if gcc supports -c -o file.o... (cached) yes
checking whether the gcc linker (ld -m elf_x86_64) supports shared libraries... 
yes
checking whether -lc should be explicitly linked in... no
checking dynamic linker characteristics... GNU/Linux ld.so
checking how to hardcode library paths into programs... immediate
checking whether stripping libraries is possible... yes
checking if libtool supports shared libraries... yes
checking whether to build shared libraries... yes
checking whether to build static libraries... yes
checking for ld used by g++... ld -m elf_x86_64
checking if the linker (ld -m elf_x86_64) is GNU ld... yes
checking whether the g++ linker (ld -m elf_x86_64) supports shared libraries... 
yes
checking for g++ option to produce PIC... -fPIC -DPIC
checking if g++ PIC flag -fPIC -DPIC works... yes
checking if g++ static flag -static works... yes
checking if g++ supports -c -o file.o... yes
checking if g++ supports -c -o file.o... (cached) yes
checking whether the g++ linker (ld -m elf_x86_64) supports shared libraries... 
yes
checking dynamic linker characteristics... GNU/Linux ld.so
checking how to hardcode library paths into programs... immediate
checking for bison... no
checking for byacc... no
checking for flex... no
checking for lex... no
checking for standard C++ header files... yes
checking gmp.h usability... yes
checking gmp.h presence... yes
checking for gmp.h... yes
checking for main in -lgmp... yes
checking mpfr.h usability... yes
checking mpfr.h presence... yes
checking for mpfr.h... yes
checking for main in -lmpfr... yes
checking for mpfr_set_str_raw... no
checking mpfi.h usability... yes
checking mpfi.h presence... yes
checking for mpfi.h... yes
checking for main in -lmpfi... yes
checking for main in -lm... yes
checking png.h usability... yes
checking png.h presence... yes
checking for png.h... yes
checking for main in -lpng16... yes
checking for dlopen in -ldl... yes
checking size of void *... 8
checking size of int... 4
checking size of long... 8
checking size of long long... 8
checking gsl/gsl_blas.h usability... yes
checking gsl/gsl_blas.h presence... yes
checking for gsl/gsl_blas.h... yes
checking gsl/gsl_eigen.h usability... yes
checking gsl/gsl_eigen.h presence... yes
checking for gsl/gsl_eigen.h... yes
checking for main in -lgslcblas... yes
checking for gsl_sf_gamma in -lgsl... yes
checking pari/pari.h usability... yes
checking pari/pari.h presence... yes
checking for pari/pari.h... yes
checking for main in -lpari... yes
checking NTL/ZZ.h usability... yes
checking NTL/ZZ.h presence... yes
checking for NTL/ZZ.h... yes
checking for main in -lntl... yes
checking gmpxx.h usability... yes
checking gmpxx.h presence... yes
checking for gmpxx.h... yes
checking for main in -lgmpxx... yes
checking CoCoA/io.H usability... no
checking CoCoA/io.H presence... no
checking for CoCoA/io.H... no
checking for tgetent... no
checking for tgetent in -lncurses... no
checking for tgetent in -ltermcap... yes
checking readline/readline.h usability... yes
checking readline/readline.h presence... yes
checking for readline/readline.h... yes
checking readline/history.h usability... yes
checking readline/history.h presence... yes
checking for readline/history.h... yes
checking for version of libreadline... yes
checking for readline in -lreadline... yes
checking for main in -lpthread... yes
checking pthread.h usability... yes
checking pthread.h presence... yes
checking for pthread.h... yes
checking malloc.h usability... yes
checking malloc.h presence... yes
checking for malloc.h... yes
checking for sysconf... yes
checking for clock_gettime in -lrt... yes
checking unordered_map usability... yes
checking unordered_map presence... yes
checking for unordered_map... yes
checking ext/hash_map usability... yes
checking ext/hash_map presence... yes
checking for ext/hash_map... yes
checking tr1/unordered_map usability... yes
checking tr1/unordered_map presence... yes
checking for tr1/unordered_map... yes
checking hash_map usability... yes
checking hash_map presence... yes
checking for hash_map... yes
checking pwd.h usability... yes
checking pwd.h presence... yes
checking for pwd.h... yes
checking locale.h usability... yes
checking locale.h presence... yes
checking for locale.h... yes
checking for unistd.h... (cached) yes
checking sys/time.h usability... yes
checking sys/time.h presence... yes
checking for sys/time.h... yes
checking sys/times.h usability... yes
checking sys/times.h presence... yes
checking for sys/times.h... yes
checking sys/resource.h usability... yes
checking sys/resource.h presence... yes
checking for sys/resource.h... yes
checking for sys/types.h... (cached) yes
checking signal.h usability... yes
checking signal.h presence... yes
checking for signal.h... yes
checking for getpid... yes
checking for getcwd... yes
checking for getpwuid... yes
checking for system... yes
checking whether NLS is requested... yes
checking for msgfmt... /usr/bin/msgfmt
checking for gmsgfmt... /usr/bin/msgfmt
checking for xgettext... /usr/bin/xgettext
checking for msgmerge... /usr/bin/msgmerge
checking whether we are using the GNU C Library 2 or newer... yes
checking for ranlib... (cached) ranlib
checking for strerror in -lcposix... no
checking for an ANSI C-conforming const... yes
checking for signed... yes
checking for inline... inline
checking for off_t... yes
checking for size_t... yes
checking for long long... yes
checking for long double... yes
checking for wchar_t... yes
checking for wint_t... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for intmax_t... yes
checking whether printf() supports POSIX/XSI format strings... yes
checking for working alloca.h... yes
checking for alloca... yes
checking for stdlib.h... (cached) yes
checking for unistd.h... (cached) yes
checking for sys/param.h... yes
checking for getpagesize... yes
checking for working mmap... yes
checking whether we are using the GNU C Library 2.1 or newer... yes
checking whether integer division by zero raises SIGFPE... yes
checking for unsigned long long... yes
checking for inttypes.h... yes
checking whether the inttypes.h PRIxNN macros are broken... no
checking for stdint.h... (cached) yes
checking for SIZE_MAX... yes
checking for stdint.h... (cached) yes
checking for CFPreferencesCopyAppValue... no
checking for CFLocaleCopyCurrent... no
checking for ld used by GCC... ld -m elf_x86_64
checking if the linker (ld -m elf_x86_64) is GNU ld... yes
checking for shared library run path origin... done
checking for ptrdiff_t... yes
checking argz.h usability... yes
checking argz.h presence... yes
checking for argz.h... yes
checking limits.h usability... yes
checking limits.h presence... yes
checking for limits.h... yes
checking for locale.h... (cached) yes
checking nl_types.h usability... yes
checking nl_types.h presence... yes
checking for nl_types.h... yes
checking for malloc.h... (cached) yes
checking stddef.h usability... yes
checking stddef.h presence... yes
checking for stddef.h... yes
checking for stdlib.h... (cached) yes
checking for string.h... (cached) yes
checking for unistd.h... (cached) yes
checking for sys/param.h... (cached) yes
checking for asprintf... yes
checking for fwprintf... yes
checking for getcwd... (cached) yes
checking for getegid... yes
checking for geteuid... yes
checking for getgid... yes
checking for getuid... yes
checking for mempcpy... yes
checking for munmap... yes
checking for putenv... yes
checking for setenv... yes
checking for setlocale... yes
checking for snprintf... yes
checking for stpcpy... yes
checking for strcasecmp... yes
checking for strdup... yes
checking for strtoul... yes
checking for tsearch... yes
checking for wcslen... yes
checking for __argz_count... yes
checking for __argz_stringify... yes
checking for __argz_next... yes
checking for __fsetlocking... yes
checking whether _snprintf is declared... no
checking whether _snwprintf is declared... no
checking whether feof_unlocked is declared... yes
checking whether fgets_unlocked is declared... yes
checking whether getc_unlocked is declared... yes
checking for iconv... yes
checking for iconv declaration... 
         extern size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, 
char * *outbuf, size_t *outbytesleft);
checking for nl_langinfo and CODESET... yes
checking for LC_MESSAGES... yes
checking for bison... no
checking for CFPreferencesCopyAppValue... (cached) no
checking for CFLocaleCopyCurrent... (cached) no
checking whether NLS is requested... yes
checking whether included gettext is requested... no
checking for GNU gettext in libc... yes
checking whether to use NLS... yes
checking where the gettext function comes from... libc
checking for main in -lintl... no
checking for egrep... (cached) /bin/grep -E
checking for latex... /usr/bin/latex
checking for makeindex... /usr/bin/makeindex
checking for pdflatex... /usr/bin/pdflatex
checking for dvips... /usr/bin/dvips
checking sstream usability... yes
checking sstream presence... yes
checking for sstream... yes
configure: creating ./config.status
config.status: creating Makefile
config.status: creating src/Makefile
config.status: creating check/Makefile
config.status: creating doc/Makefile
config.status: creating doc/en/Makefile
config.status: creating doc/es/Makefile
config.status: creating doc/fr/Makefile
config.status: creating doc/el/Makefile
config.status: creating doc/el/tutoriel/Makefile
config.status: creating doc/el/casinter/Makefile
config.status: creating doc/local/Makefile
config.status: creating doc/pt/Makefile
config.status: creating doc/zh/Makefile
config.status: creating doc/de/Makefile
config.status: creating intl/Makefile
config.status: WARNING:  'intl/Makefile.in' seems to ignore the --datarootdir 
setting
config.status: creating po/Makefile.in
config.status: WARNING:  'po/Makefile.in.in' seems to ignore the --datarootdir 
setting
config.status: creating examples/Makefile
config.status: creating debianold/Makefile
config.status: creating debian/Makefile
config.status: creating config.h
config.status: executing depfiles commands
config.status: executing libtool commands
config.status: executing default-1 commands
config.status: creating po/POTFILES
config.status: creating po/Makefile
Adding link . to giac in src
Building  giac...
make[3]: Entering directory 
'/home/ahelfgo/Downloads/sage-8.1/local/var/tmp/sage/build/giac-1.2.3.47.p0/src'
CDPATH="${ZSH_VERSION+.}:" && cd . && /bin/bash 
/home/ahelfgo/Downloads/sage-8.1/local/var/tmp/sage/build/giac-1.2.3.47.p0/src/config/missing
 --run aclocal-1.11 -I m4
/home/ahelfgo/Downloads/sage-8.1/local/var/tmp/sage/build/giac-1.2.3.47.p0/src/config/missing:
 line 54: aclocal-1.11: command not found
WARNING: `aclocal-1.11' is missing on your system.  You should only need it if
         you modified `acinclude.m4' or `configure.in'.  You might want
         to install the `Automake' and `Perl' packages.  Grab them from
         any GNU archive site.
 cd . && /bin/bash 
/home/ahelfgo/Downloads/sage-8.1/local/var/tmp/sage/build/giac-1.2.3.47.p0/src/config/missing
 --run automake-1.11 --gnu
/home/ahelfgo/Downloads/sage-8.1/local/var/tmp/sage/build/giac-1.2.3.47.p0/src/config/missing:
 line 54: automake-1.11: command not found
WARNING: `automake-1.11' is missing on your system.  You should only need it if
         you modified `Makefile.am', `acinclude.m4' or `configure.in'.
         You might want to install the `Automake' and `Perl' packages.
         Grab them from any GNU archive site.
CDPATH="${ZSH_VERSION+.}:" && cd . && /bin/bash 
/home/ahelfgo/Downloads/sage-8.1/local/var/tmp/sage/build/giac-1.2.3.47.p0/src/config/missing
 --run autoconf
configure.in:38: warning: AC_LANG_CONFTEST: no AC_LANG_SOURCE call detected in 
body
../../lib/autoconf/lang.m4:193: AC_LANG_CONFTEST is expanded from...
../../lib/autoconf/general.m4:2672: _AC_LINK_IFELSE is expanded from...
../../lib/autoconf/general.m4:2689: AC_LINK_IFELSE is expanded from...
m4/libtool.m4:1018: _LT_SYS_MODULE_PATH_AIX is expanded from...
m4/libtool.m4:4139: _LT_LINKER_SHLIBS is expanded from...
m4/libtool.m4:5214: _LT_LANG_C_CONFIG is expanded from...
m4/libtool.m4:138: _LT_SETUP is expanded from...
m4/libtool.m4:67: LT_INIT is expanded from...
m4/libtool.m4:102: AC_PROG_LIBTOOL is expanded from...
configure.in:38: the top level
configure.in:38: warning: AC_LANG_CONFTEST: no AC_LANG_SOURCE call detected in 
body
../../lib/autoconf/lang.m4:193: AC_LANG_CONFTEST is expanded from...
../../lib/autoconf/general.m4:2672: _AC_LINK_IFELSE is expanded from...
../../lib/autoconf/general.m4:2689: AC_LINK_IFELSE is expanded from...
m4/libtool.m4:4139: _LT_LINKER_SHLIBS is expanded from...
m4/libtool.m4:5214: _LT_LANG_C_CONFIG is expanded from...
m4/libtool.m4:138: _LT_SETUP is expanded from...
m4/libtool.m4:67: LT_INIT is expanded from...
m4/libtool.m4:102: AC_PROG_LIBTOOL is expanded from...
configure.in:38: the top level
configure.in:38: warning: AC_LANG_CONFTEST: no AC_LANG_SOURCE call detected in 
body
../../lib/autoconf/lang.m4:193: AC_LANG_CONFTEST is expanded from...
../../lib/autoconf/general.m4:2672: _AC_LINK_IFELSE is expanded from...
../../lib/autoconf/general.m4:2689: AC_LINK_IFELSE is expanded from...
m4/libtool.m4:1018: _LT_SYS_MODULE_PATH_AIX is expanded from...
m4/libtool.m4:5321: _LT_LANG_CXX_CONFIG is expanded from...
m4/libtool.m4:785: _LT_LANG is expanded from...
m4/libtool.m4:768: LT_LANG is expanded from...
m4/libtool.m4:796: _LT_LANG_DEFAULT_CONFIG is expanded from...
m4/libtool.m4:138: _LT_SETUP is expanded from...
m4/libtool.m4:67: LT_INIT is expanded from...
m4/libtool.m4:102: AC_PROG_LIBTOOL is expanded from...
configure.in:38: the top level
/bin/bash ./config.status --recheck
running CONFIG_SHELL=/bin/bash /bin/bash ./configure 
--prefix=/home/ahelfgo/Downloads/sage-8.1/local --disable-gui --disable-ao 
--disable-lapack  build_alias= host_alias= target_alias= CC=gcc CFLAGS=-g -O2  
LDFLAGS=-L/home/ahelfgo/Downloads/sage-8.1/local/lib 
-Wl,-rpath,/home/ahelfgo/Downloads/sage-8.1/local/lib  
CPPFLAGS=-I/home/ahelfgo/Downloads/sage-8.1/local/include  CXX=g++ CXXFLAGS=-g 
-O2  --no-create --no-recursion
configure: WARNING: you should use --build, --host, --target
checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for a thread-safe mkdir -p... /bin/mkdir -p
checking for gawk... gawk
checking whether make sets $(MAKE)... yes
checking for gcc... gcc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables... 
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether gcc accepts -g... yes
checking for gcc option to accept ISO C89... none needed
checking for style of include used by make... GNU
checking dependency style of gcc... gcc3
checking whether ln -s works... yes
checking whether we are using the GNU C++ compiler... yes
checking whether g++ accepts -g... yes
checking dependency style of g++... gcc3
checking how to run the C++ preprocessor... g++ -E
checking build system type... x86_64-pc-linux-gnu
checking host system type... x86_64-pc-linux-gnu
checking for a sed that does not truncate output... /bin/sed
checking for grep that handles long lines and -e... /bin/grep
checking for egrep... /bin/grep -E
checking for fgrep... /bin/grep -F
checking for ld used by gcc... ld -m elf_x86_64
checking if the linker (ld -m elf_x86_64) is GNU ld... yes
checking for BSD- or MS-compatible name lister (nm)... /usr/bin/nm -B
checking the name lister (/usr/bin/nm -B) interface... BSD nm
checking the maximum length of command line arguments... 1572864
checking whether the shell understands some XSI constructs... yes
checking whether the shell understands "+="... yes
checking for ld -m elf_x86_64 option to reload object files... -r
checking how to recognize dependent libraries... pass_all
checking for ar... ar
checking for strip... strip
checking for ranlib... ranlib
checking command to parse /usr/bin/nm -B output from gcc object... ok
checking how to run the C preprocessor... gcc -E
checking for ANSI C header files... yes
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for unistd.h... yes
checking for dlfcn.h... yes
checking whether we are using the GNU C++ compiler... (cached) yes
checking whether g++ accepts -g... (cached) yes
checking dependency style of g++... (cached) gcc3
checking how to run the C++ preprocessor... g++ -E
checking for objdir... .libs
checking if gcc supports -fno-rtti -fno-exceptions... no
checking for gcc option to produce PIC... -fPIC -DPIC
checking if gcc PIC flag -fPIC -DPIC works... yes
checking if gcc static flag -static works... yes
checking if gcc supports -c -o file.o... yes
checking if gcc supports -c -o file.o... (cached) yes
checking whether the gcc linker (ld -m elf_x86_64 -m elf_x86_64) supports 
shared libraries... yes
checking whether -lc should be explicitly linked in... no
checking dynamic linker characteristics... GNU/Linux ld.so
checking how to hardcode library paths into programs... immediate
checking whether stripping libraries is possible... yes
checking if libtool supports shared libraries... yes
checking whether to build shared libraries... yes
checking whether to build static libraries... yes
checking for ld used by g++... ld -m elf_x86_64 -m elf_x86_64
checking if the linker (ld -m elf_x86_64 -m elf_x86_64) is GNU ld... yes
checking whether the g++ linker (ld -m elf_x86_64 -m elf_x86_64) supports 
shared libraries... yes
checking for g++ option to produce PIC... -fPIC -DPIC
checking if g++ PIC flag -fPIC -DPIC works... yes
checking if g++ static flag -static works... yes
checking if g++ supports -c -o file.o... yes
checking if g++ supports -c -o file.o... (cached) yes
checking whether the g++ linker (ld -m elf_x86_64 -m elf_x86_64) supports 
shared libraries... yes
checking dynamic linker characteristics... GNU/Linux ld.so
checking how to hardcode library paths into programs... immediate
checking for bison... no
checking for byacc... no
checking for flex... no
checking for lex... no
checking for standard C++ header files... yes
checking gmp.h usability... yes
checking gmp.h presence... yes
checking for gmp.h... yes
checking for main in -lgmp... yes
checking mpfr.h usability... yes
checking mpfr.h presence... yes
checking for mpfr.h... yes
checking for main in -lmpfr... yes
checking for mpfr_set_str_raw... no
checking mpfi.h usability... yes
checking mpfi.h presence... yes
checking for mpfi.h... yes
checking for main in -lmpfi... yes
checking for main in -lm... yes
checking png.h usability... yes
checking png.h presence... yes
checking for png.h... yes
checking for main in -lpng16... yes
checking for dlopen in -ldl... yes
checking size of void *... 8
checking size of int... 4
checking size of long... 8
checking size of long long... 8
checking gsl/gsl_blas.h usability... yes
checking gsl/gsl_blas.h presence... yes
checking for gsl/gsl_blas.h... yes
checking gsl/gsl_eigen.h usability... yes
checking gsl/gsl_eigen.h presence... yes
checking for gsl/gsl_eigen.h... yes
checking for main in -lgslcblas... yes
checking for gsl_sf_gamma in -lgsl... yes
checking pari/pari.h usability... yes
checking pari/pari.h presence... yes
checking for pari/pari.h... yes
checking for main in -lpari... yes
checking NTL/ZZ.h usability... yes
checking NTL/ZZ.h presence... yes
checking for NTL/ZZ.h... yes
checking for main in -lntl... yes
checking gmpxx.h usability... yes
checking gmpxx.h presence... yes
checking for gmpxx.h... yes
checking for main in -lgmpxx... yes
checking CoCoA/io.H usability... no
checking CoCoA/io.H presence... no
checking for CoCoA/io.H... no
checking for tgetent... no
checking for tgetent in -lncurses... no
checking for tgetent in -ltermcap... yes
checking readline/readline.h usability... yes
checking readline/readline.h presence... yes
checking for readline/readline.h... yes
checking readline/history.h usability... yes
checking readline/history.h presence... yes
checking for readline/history.h... yes
checking for version of libreadline... yes
checking for readline in -lreadline... yes
checking for main in -lpthread... yes
checking pthread.h usability... yes
checking pthread.h presence... yes
checking for pthread.h... yes
checking malloc.h usability... yes
checking malloc.h presence... yes
checking for malloc.h... yes
checking for sysconf... yes
checking for clock_gettime in -lrt... yes
checking unordered_map usability... yes
checking unordered_map presence... yes
checking for unordered_map... yes
checking ext/hash_map usability... yes
checking ext/hash_map presence... yes
checking for ext/hash_map... yes
checking tr1/unordered_map usability... yes
checking tr1/unordered_map presence... yes
checking for tr1/unordered_map... yes
checking hash_map usability... yes
checking hash_map presence... yes
checking for hash_map... yes
checking pwd.h usability... yes
checking pwd.h presence... yes
checking for pwd.h... yes
checking locale.h usability... yes
checking locale.h presence... yes
checking for locale.h... yes
checking for unistd.h... (cached) yes
checking sys/time.h usability... yes
checking sys/time.h presence... yes
checking for sys/time.h... yes
checking sys/times.h usability... yes
checking sys/times.h presence... yes
checking for sys/times.h... yes
checking sys/resource.h usability... yes
checking sys/resource.h presence... yes
checking for sys/resource.h... yes
checking for sys/types.h... (cached) yes
checking signal.h usability... yes
checking signal.h presence... yes
checking for signal.h... yes
checking for getpid... yes
checking for getcwd... yes
checking for getpwuid... yes
checking for system... yes
checking whether NLS is requested... yes
checking for msgfmt... /usr/bin/msgfmt
checking for gmsgfmt... /usr/bin/msgfmt
checking for xgettext... /usr/bin/xgettext
checking for msgmerge... /usr/bin/msgmerge
checking whether we are using the GNU C Library 2 or newer... yes
checking for ranlib... (cached) ranlib
checking for strerror in -lcposix... no
checking for an ANSI C-conforming const... yes
checking for signed... yes
checking for inline... inline
checking for off_t... yes
checking for size_t... yes
checking for long long... yes
checking for long double... yes
checking for wchar_t... yes
checking for wint_t... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for intmax_t... yes
checking whether printf() supports POSIX/XSI format strings... yes
checking for working alloca.h... yes
checking for alloca... yes
checking for stdlib.h... (cached) yes
checking for unistd.h... (cached) yes
checking for sys/param.h... yes
checking for getpagesize... yes
checking for working mmap... yes
checking whether we are using the GNU C Library 2.1 or newer... yes
checking whether integer division by zero raises SIGFPE... yes
checking for unsigned long long... yes
checking for inttypes.h... yes
checking whether the inttypes.h PRIxNN macros are broken... no
checking for stdint.h... (cached) yes
checking for SIZE_MAX... yes
checking for stdint.h... (cached) yes
checking for CFPreferencesCopyAppValue... no
checking for CFLocaleCopyCurrent... no
checking for ld used by GCC... ld -m elf_x86_64 -m elf_x86_64
checking if the linker (ld -m elf_x86_64 -m elf_x86_64) is GNU ld... yes
checking for shared library run path origin... done
checking for ptrdiff_t... yes
checking argz.h usability... yes
checking argz.h presence... yes
checking for argz.h... yes
checking limits.h usability... yes
checking limits.h presence... yes
checking for limits.h... yes
checking for locale.h... (cached) yes
checking nl_types.h usability... yes
checking nl_types.h presence... yes
checking for nl_types.h... yes
checking for malloc.h... (cached) yes
checking stddef.h usability... yes
checking stddef.h presence... yes
checking for stddef.h... yes
checking for stdlib.h... (cached) yes
checking for string.h... (cached) yes
checking for unistd.h... (cached) yes
checking for sys/param.h... (cached) yes
checking for asprintf... yes
checking for fwprintf... yes
checking for getcwd... (cached) yes
checking for getegid... yes
checking for geteuid... yes
checking for getgid... yes
checking for getuid... yes
checking for mempcpy... yes
checking for munmap... yes
checking for putenv... yes
checking for setenv... yes
checking for setlocale... yes
checking for snprintf... yes
checking for stpcpy... yes
checking for strcasecmp... yes
checking for strdup... yes
checking for strtoul... yes
checking for tsearch... yes
checking for wcslen... yes
checking for __argz_count... yes
checking for __argz_stringify... yes
checking for __argz_next... yes
checking for __fsetlocking... yes
checking whether _snprintf is declared... no
checking whether _snwprintf is declared... no
checking whether feof_unlocked is declared... yes
checking whether fgets_unlocked is declared... yes
checking whether getc_unlocked is declared... yes
checking for iconv... yes
checking for iconv declaration... 
         extern size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, 
char * *outbuf, size_t *outbytesleft);
checking for nl_langinfo and CODESET... yes
checking for LC_MESSAGES... yes
checking for bison... no
checking for CFPreferencesCopyAppValue... (cached) no
checking for CFLocaleCopyCurrent... (cached) no
checking whether NLS is requested... yes
checking whether included gettext is requested... no
checking for GNU gettext in libc... yes
checking whether to use NLS... yes
checking where the gettext function comes from... libc
checking for main in -lintl... no
checking for egrep... (cached) /bin/grep -E
checking for latex... /usr/bin/latex
checking for makeindex... /usr/bin/makeindex
checking for pdflatex... /usr/bin/pdflatex
checking for dvips... /usr/bin/dvips
checking sstream usability... yes
checking sstream presence... yes
checking for sstream... yes
configure: creating ./config.status
Adding link . to giac in src
 /bin/bash ./config.status
config.status: creating Makefile
config.status: creating src/Makefile
config.status: creating check/Makefile
config.status: creating doc/Makefile
config.status: creating doc/en/Makefile
config.status: creating doc/es/Makefile
config.status: creating doc/fr/Makefile
config.status: creating doc/el/Makefile
config.status: creating doc/el/tutoriel/Makefile
config.status: creating doc/el/casinter/Makefile
config.status: creating doc/local/Makefile
config.status: creating doc/pt/Makefile
config.status: creating doc/zh/Makefile
config.status: creating doc/de/Makefile
config.status: creating intl/Makefile
config.status: WARNING:  'intl/Makefile.in' seems to ignore the --datarootdir 
setting
config.status: creating po/Makefile.in
config.status: WARNING:  'po/Makefile.in.in' seems to ignore the --datarootdir 
setting
config.status: creating examples/Makefile
config.status: creating debianold/Makefile
config.status: creating debian/Makefile
config.status: creating config.h
config.status: config.h is unchanged
config.status: executing depfiles commands
config.status: executing libtool commands
config.status: executing default-1 commands
config.status: creating po/POTFILES
config.status: creating po/Makefile
(CDPATH="${ZSH_VERSION+.}:" && cd . && /bin/bash 
/home/ahelfgo/Downloads/sage-8.1/local/var/tmp/sage/build/giac-1.2.3.47.p0/src/config/missing
 --run autoheader)
configure.in:38: warning: AC_LANG_CONFTEST: no AC_LANG_SOURCE call detected in 
body
../../lib/autoconf/lang.m4:193: AC_LANG_CONFTEST is expanded from...
../../lib/autoconf/general.m4:2672: _AC_LINK_IFELSE is expanded from...
../../lib/autoconf/general.m4:2689: AC_LINK_IFELSE is expanded from...
m4/libtool.m4:1018: _LT_SYS_MODULE_PATH_AIX is expanded from...
m4/libtool.m4:4139: _LT_LINKER_SHLIBS is expanded from...
m4/libtool.m4:5214: _LT_LANG_C_CONFIG is expanded from...
m4/libtool.m4:138: _LT_SETUP is expanded from...
m4/libtool.m4:67: LT_INIT is expanded from...
m4/libtool.m4:102: AC_PROG_LIBTOOL is expanded from...
configure.in:38: the top level
configure.in:38: warning: AC_LANG_CONFTEST: no AC_LANG_SOURCE call detected in 
body
../../lib/autoconf/lang.m4:193: AC_LANG_CONFTEST is expanded from...
../../lib/autoconf/general.m4:2672: _AC_LINK_IFELSE is expanded from...
../../lib/autoconf/general.m4:2689: AC_LINK_IFELSE is expanded from...
m4/libtool.m4:4139: _LT_LINKER_SHLIBS is expanded from...
m4/libtool.m4:5214: _LT_LANG_C_CONFIG is expanded from...
m4/libtool.m4:138: _LT_SETUP is expanded from...
m4/libtool.m4:67: LT_INIT is expanded from...
m4/libtool.m4:102: AC_PROG_LIBTOOL is expanded from...
configure.in:38: the top level
configure.in:38: warning: AC_LANG_CONFTEST: no AC_LANG_SOURCE call detected in 
body
../../lib/autoconf/lang.m4:193: AC_LANG_CONFTEST is expanded from...
../../lib/autoconf/general.m4:2672: _AC_LINK_IFELSE is expanded from...
../../lib/autoconf/general.m4:2689: AC_LINK_IFELSE is expanded from...
m4/libtool.m4:1018: _LT_SYS_MODULE_PATH_AIX is expanded from...
m4/libtool.m4:5321: _LT_LANG_CXX_CONFIG is expanded from...
m4/libtool.m4:785: _LT_LANG is expanded from...
m4/libtool.m4:768: LT_LANG is expanded from...
m4/libtool.m4:796: _LT_LANG_DEFAULT_CONFIG is expanded from...
m4/libtool.m4:138: _LT_SETUP is expanded from...
m4/libtool.m4:67: LT_INIT is expanded from...
m4/libtool.m4:102: AC_PROG_LIBTOOL is expanded from...
configure.in:38: the top level
rm -f stamp-h1
touch config.h.in
cd . && /bin/bash ./config.status config.h
config.status: creating config.h
make  all-recursive
make[4]: Entering directory 
'/home/ahelfgo/Downloads/sage-8.1/local/var/tmp/sage/build/giac-1.2.3.47.p0/src'
Making all in src
make[5]: Entering directory 
'/home/ahelfgo/Downloads/sage-8.1/local/var/tmp/sage/build/giac-1.2.3.47.p0/src/src'
/bin/bash ../libtool --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..  
-DIN_GIAC -I. -I.. -I. -I..     
-I/home/ahelfgo/Downloads/sage-8.1/local/include   -g -O2  -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT input_lexer.lo -MD -MP -MF .deps/input_lexer.Tpo 
-c -o input_lexer.lo input_lexer.cc
libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -DIN_GIAC -I. -I.. -I. -I.. 
-I/home/ahelfgo/Downloads/sage-8.1/local/include -g -O2 -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT input_lexer.lo -MD -MP -MF .deps/input_lexer.Tpo 
-c input_lexer.cc  -fPIC -DPIC -o .libs/input_lexer.o
libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -DIN_GIAC -I. -I.. -I. -I.. 
-I/home/ahelfgo/Downloads/sage-8.1/local/include -g -O2 -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT input_lexer.lo -MD -MP -MF .deps/input_lexer.Tpo 
-c input_lexer.cc -o input_lexer.o >/dev/null 2>&1
mv -f .deps/input_lexer.Tpo .deps/input_lexer.Plo
/bin/bash ../libtool --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..  
-DIN_GIAC -I. -I.. -I. -I..     
-I/home/ahelfgo/Downloads/sage-8.1/local/include   -g -O2  -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT sym2poly.lo -MD -MP -MF .deps/sym2poly.Tpo -c -o 
sym2poly.lo sym2poly.cc
libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -DIN_GIAC -I. -I.. -I. -I.. 
-I/home/ahelfgo/Downloads/sage-8.1/local/include -g -O2 -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT sym2poly.lo -MD -MP -MF .deps/sym2poly.Tpo -c 
sym2poly.cc  -fPIC -DPIC -o .libs/sym2poly.o
libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -DIN_GIAC -I. -I.. -I. -I.. 
-I/home/ahelfgo/Downloads/sage-8.1/local/include -g -O2 -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT sym2poly.lo -MD -MP -MF .deps/sym2poly.Tpo -c 
sym2poly.cc -o sym2poly.o >/dev/null 2>&1
mv -f .deps/sym2poly.Tpo .deps/sym2poly.Plo
/bin/bash ../libtool --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..  
-DIN_GIAC -I. -I.. -I. -I..     
-I/home/ahelfgo/Downloads/sage-8.1/local/include   -g -O2  -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT gausspol.lo -MD -MP -MF .deps/gausspol.Tpo -c -o 
gausspol.lo gausspol.cc
libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -DIN_GIAC -I. -I.. -I. -I.. 
-I/home/ahelfgo/Downloads/sage-8.1/local/include -g -O2 -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT gausspol.lo -MD -MP -MF .deps/gausspol.Tpo -c 
gausspol.cc  -fPIC -DPIC -o .libs/gausspol.o
libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -DIN_GIAC -I. -I.. -I. -I.. 
-I/home/ahelfgo/Downloads/sage-8.1/local/include -g -O2 -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT gausspol.lo -MD -MP -MF .deps/gausspol.Tpo -c 
gausspol.cc -o gausspol.o >/dev/null 2>&1
mv -f .deps/gausspol.Tpo .deps/gausspol.Plo
/bin/bash ../libtool --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..  
-DIN_GIAC -I. -I.. -I. -I..     
-I/home/ahelfgo/Downloads/sage-8.1/local/include   -g -O2  -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT threaded.lo -MD -MP -MF .deps/threaded.Tpo -c -o 
threaded.lo threaded.cc
libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -DIN_GIAC -I. -I.. -I. -I.. 
-I/home/ahelfgo/Downloads/sage-8.1/local/include -g -O2 -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT threaded.lo -MD -MP -MF .deps/threaded.Tpo -c 
threaded.cc  -fPIC -DPIC -o .libs/threaded.o
libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -DIN_GIAC -I. -I.. -I. -I.. 
-I/home/ahelfgo/Downloads/sage-8.1/local/include -g -O2 -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT threaded.lo -MD -MP -MF .deps/threaded.Tpo -c 
threaded.cc -o threaded.o >/dev/null 2>&1
mv -f .deps/threaded.Tpo .deps/threaded.Plo
/bin/bash ../libtool --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..  
-DIN_GIAC -I. -I.. -I. -I..     
-I/home/ahelfgo/Downloads/sage-8.1/local/include   -g -O2  -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT moyal.lo -MD -MP -MF .deps/moyal.Tpo -c -o 
moyal.lo moyal.cc
libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -DIN_GIAC -I. -I.. -I. -I.. 
-I/home/ahelfgo/Downloads/sage-8.1/local/include -g -O2 -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT moyal.lo -MD -MP -MF .deps/moyal.Tpo -c moyal.cc  
-fPIC -DPIC -o .libs/moyal.o
libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -DIN_GIAC -I. -I.. -I. -I.. 
-I/home/ahelfgo/Downloads/sage-8.1/local/include -g -O2 -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT moyal.lo -MD -MP -MF .deps/moyal.Tpo -c moyal.cc 
-o moyal.o >/dev/null 2>&1
mv -f .deps/moyal.Tpo .deps/moyal.Plo
/bin/bash ../libtool --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..  
-DIN_GIAC -I. -I.. -I. -I..     
-I/home/ahelfgo/Downloads/sage-8.1/local/include   -g -O2  -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT maple.lo -MD -MP -MF .deps/maple.Tpo -c -o 
maple.lo maple.cc
libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -DIN_GIAC -I. -I.. -I. -I.. 
-I/home/ahelfgo/Downloads/sage-8.1/local/include -g -O2 -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT maple.lo -MD -MP -MF .deps/maple.Tpo -c maple.cc  
-fPIC -DPIC -o .libs/maple.o
maple.cc: In function 'giac::gen giac::_cpp(const giac::gen&, const 
giac::context*)':
maple.cc:3603:11: warning: ignoring return value of 'int system(const char*)', 
declared with attribute warn_unused_result [-Wunused-result]
     system(cmd.c_str());
     ~~~~~~^~~~~~~~~~~~~
libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -DIN_GIAC -I. -I.. -I. -I.. 
-I/home/ahelfgo/Downloads/sage-8.1/local/include -g -O2 -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT maple.lo -MD -MP -MF .deps/maple.Tpo -c maple.cc 
-o maple.o >/dev/null 2>&1
mv -f .deps/maple.Tpo .deps/maple.Plo
/bin/bash ../libtool --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..  
-DIN_GIAC -I. -I.. -I. -I..     
-I/home/ahelfgo/Downloads/sage-8.1/local/include   -g -O2  -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT ti89.lo -MD -MP -MF .deps/ti89.Tpo -c -o ti89.lo 
ti89.cc
libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -DIN_GIAC -I. -I.. -I. -I.. 
-I/home/ahelfgo/Downloads/sage-8.1/local/include -g -O2 -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT ti89.lo -MD -MP -MF .deps/ti89.Tpo -c ti89.cc  
-fPIC -DPIC -o .libs/ti89.o
libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -DIN_GIAC -I. -I.. -I. -I.. 
-I/home/ahelfgo/Downloads/sage-8.1/local/include -g -O2 -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT ti89.lo -MD -MP -MF .deps/ti89.Tpo -c ti89.cc -o 
ti89.o >/dev/null 2>&1
mv -f .deps/ti89.Tpo .deps/ti89.Plo
/bin/bash ../libtool --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..  
-DIN_GIAC -I. -I.. -I. -I..     
-I/home/ahelfgo/Downloads/sage-8.1/local/include   -g -O2  -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT mathml.lo -MD -MP -MF .deps/mathml.Tpo -c -o 
mathml.lo mathml.cc
libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -DIN_GIAC -I. -I.. -I. -I.. 
-I/home/ahelfgo/Downloads/sage-8.1/local/include -g -O2 -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT mathml.lo -MD -MP -MF .deps/mathml.Tpo -c 
mathml.cc  -fPIC -DPIC -o .libs/mathml.o
libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -DIN_GIAC -I. -I.. -I. -I.. 
-I/home/ahelfgo/Downloads/sage-8.1/local/include -g -O2 -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT mathml.lo -MD -MP -MF .deps/mathml.Tpo -c 
mathml.cc -o mathml.o >/dev/null 2>&1
mv -f .deps/mathml.Tpo .deps/mathml.Plo
/bin/bash ../libtool --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..  
-DIN_GIAC -I. -I.. -I. -I..     
-I/home/ahelfgo/Downloads/sage-8.1/local/include   -g -O2  -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT misc.lo -MD -MP -MF .deps/misc.Tpo -c -o misc.lo 
misc.cc
libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -DIN_GIAC -I. -I.. -I. -I.. 
-I/home/ahelfgo/Downloads/sage-8.1/local/include -g -O2 -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT misc.lo -MD -MP -MF .deps/misc.Tpo -c misc.cc  
-fPIC -DPIC -o .libs/misc.o
libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -DIN_GIAC -I. -I.. -I. -I.. 
-I/home/ahelfgo/Downloads/sage-8.1/local/include -g -O2 -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT misc.lo -MD -MP -MF .deps/misc.Tpo -c misc.cc -o 
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giac::gen&, giac::environment*, int, int&, const giac::context*, bool)':
solve.cc:5693:36: warning: narrowing conversion of 'order' from 'int' to 'short 
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       order_t order_={order,lexvars};
                                    ^
solve.cc:5693:36: warning: narrowing conversion of 'lexvars' from 'int' to 
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solve.cc: In function 'giac::gen giac::_greduce(const giac::gen&, const 
giac::context*)':
solve.cc:6828:27: warning: narrowing conversion of 
'order.giac::gen::<anonymous>.giac::gen::<unnamed union>::val' from 'int' to 
'short int' inside { } [-Wnarrowing]
     order_t order_={order.val,0};
                     ~~~~~~^~~
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../../src/init2.c:52: MPFR assertion failed: p >= 2 && p <= 
((mpfr_prec_t)((mpfr_uprec_t)(~(mpfr_uprec_t)0)>>1))
vecteur.cc: In function 'giac::gen giac::a_root(const vecteur&, const 
complex_double&, double)':
vecteur.cc:18661:1: internal compiler error: Aborted
 } // namespace giac
 ^
Please submit a full bug report,
with preprocessed source if appropriate.
See <file:///usr/share/doc/gcc-7/README.Bugs> for instructions.
Makefile:752: recipe for target 'vecteur.lo' failed
make[5]: *** [vecteur.lo] Error 1
make[5]: Leaving directory 
'/home/ahelfgo/Downloads/sage-8.1/local/var/tmp/sage/build/giac-1.2.3.47.p0/src/src'
Makefile:402: recipe for target 'all-recursive' failed
make[4]: *** [all-recursive] Error 1
make[4]: Leaving directory 
'/home/ahelfgo/Downloads/sage-8.1/local/var/tmp/sage/build/giac-1.2.3.47.p0/src'
Makefile:331: recipe for target 'all' failed
make[3]: *** [all] Error 2
make[3]: Leaving directory 
'/home/ahelfgo/Downloads/sage-8.1/local/var/tmp/sage/build/giac-1.2.3.47.p0/src'

real    8m52.691s
user    8m27.129s
sys     0m14.851s
************************************************************************
Error installing package giac-1.2.3.47.p0
************************************************************************
Please email sage-devel (http://groups.google.com/group/sage-devel)
explaining the problem and including the log file
  /home/ahelfgo/Downloads/sage-8.1/logs/pkgs/giac-1.2.3.47.p0.log
Describe your computer, operating system, etc.
If you want to try to fix the problem yourself, *don't* just cd to
/home/ahelfgo/Downloads/sage-8.1/local/var/tmp/sage/build/giac-1.2.3.47.p0 and 
type 'make' or whatever is appropriate.
Instead, the following commands setup all environment variables
correctly and load a subshell for you to debug the error:
  (cd 
'/home/ahelfgo/Downloads/sage-8.1/local/var/tmp/sage/build/giac-1.2.3.47.p0' && 
'/home/ahelfgo/Downloads/sage-8.1/sage' --sh)
When you are done debugging, you can type "exit" to leave the subshell.
************************************************************************
Found local metadata for giac-1.2.3.47.p0
Using cached file 
/home/ahelfgo/Downloads/sage-8.1/upstream/giac-1.2.3.47.tar.bz2
giac-1.2.3.47.p0
====================================================
Setting up build directory for giac-1.2.3.47.p0
Finished extraction
Applying patches from ../patches...
Applying ../patches/cSolveorder-check.patch
patching file check/TP16-sol.cas.out1
Applying ../patches/libpng16.patch
patching file configure.in
patching file configure
Applying ../patches/macos-ifactor.patch
patching file src/ifactor.cc
Applying ../patches/nofltk-check.patch
patching file check/testgeo
patching file check/TP00-sol.cas
patching file check/TP00-sol.cas.out1
patching file check/TP02-sol.cas
patching file check/TP09-sol.cas
patching file check/TP19-sol.cas
****************************************************
Host system:
Linux ahelfgo-XPS-13-9360 4.13.0-32-generic #35-Ubuntu SMP Thu Jan 25 09:13:46 
UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
****************************************************
C compiler: gcc
C compiler version:
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/7/lto-wrapper
OFFLOAD_TARGET_NAMES=nvptx-none
OFFLOAD_TARGET_DEFAULT=1
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Ubuntu 7.2.0-8ubuntu3' 
--with-bugurl=file:///usr/share/doc/gcc-7/README.Bugs 
--enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++ --prefix=/usr 
--with-gcc-major-version-only --program-suffix=-7 
--program-prefix=x86_64-linux-gnu- --enable-shared --enable-linker-build-id 
--libexecdir=/usr/lib --without-included-gettext --enable-threads=posix 
--libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu 
--enable-libstdcxx-debug --enable-libstdcxx-time=yes 
--with-default-libstdcxx-abi=new --enable-gnu-unique-object 
--disable-vtable-verify --enable-libmpx --enable-plugin --enable-default-pie 
--with-system-zlib --with-target-system-zlib --enable-objc-gc=auto 
--enable-multiarch --disable-werror --with-arch-32=i686 --with-abi=m64 
--with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic 
--enable-offload-targets=nvptx-none --without-cuda-driver 
--enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu 
--target=x86_64-linux-gnu
Thread model: posix
gcc version 7.2.0 (Ubuntu 7.2.0-8ubuntu3) 
****************************************************
Configuring giac...
configure: WARNING: you should use --build, --host, --target
checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for a thread-safe mkdir -p... /bin/mkdir -p
checking for gawk... gawk
checking whether make sets $(MAKE)... yes
checking for gcc... gcc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables... 
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether gcc accepts -g... yes
checking for gcc option to accept ISO C89... none needed
checking for style of include used by make... GNU
checking dependency style of gcc... gcc3
checking whether ln -s works... yes
checking whether we are using the GNU C++ compiler... yes
checking whether g++ accepts -g... yes
checking dependency style of g++... gcc3
checking how to run the C++ preprocessor... g++ -E
checking build system type... x86_64-pc-linux-gnu
checking host system type... x86_64-pc-linux-gnu
checking for a sed that does not truncate output... /bin/sed
checking for grep that handles long lines and -e... /bin/grep
checking for egrep... /bin/grep -E
checking for fgrep... /bin/grep -F
checking for ld used by gcc... ld
checking if the linker (ld) is GNU ld... yes
checking for BSD- or MS-compatible name lister (nm)... /usr/bin/nm -B
checking the name lister (/usr/bin/nm -B) interface... BSD nm
checking the maximum length of command line arguments... 1572864
checking whether the shell understands some XSI constructs... yes
checking whether the shell understands "+="... yes
checking for ld option to reload object files... -r
checking how to recognize dependent libraries... pass_all
checking for ar... ar
checking for strip... strip
checking for ranlib... ranlib
checking command to parse /usr/bin/nm -B output from gcc object... ok
checking how to run the C preprocessor... gcc -E
checking for ANSI C header files... yes
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for unistd.h... yes
checking for dlfcn.h... yes
checking whether we are using the GNU C++ compiler... (cached) yes
checking whether g++ accepts -g... (cached) yes
checking dependency style of g++... (cached) gcc3
checking how to run the C++ preprocessor... g++ -E
checking for objdir... .libs
checking if gcc supports -fno-rtti -fno-exceptions... no
checking for gcc option to produce PIC... -fPIC -DPIC
checking if gcc PIC flag -fPIC -DPIC works... yes
checking if gcc static flag -static works... yes
checking if gcc supports -c -o file.o... yes
checking if gcc supports -c -o file.o... (cached) yes
checking whether the gcc linker (ld -m elf_x86_64) supports shared libraries... 
yes
checking whether -lc should be explicitly linked in... no
checking dynamic linker characteristics... GNU/Linux ld.so
checking how to hardcode library paths into programs... immediate
checking whether stripping libraries is possible... yes
checking if libtool supports shared libraries... yes
checking whether to build shared libraries... yes
checking whether to build static libraries... yes
checking for ld used by g++... ld -m elf_x86_64
checking if the linker (ld -m elf_x86_64) is GNU ld... yes
checking whether the g++ linker (ld -m elf_x86_64) supports shared libraries... 
yes
checking for g++ option to produce PIC... -fPIC -DPIC
checking if g++ PIC flag -fPIC -DPIC works... yes
checking if g++ static flag -static works... yes
checking if g++ supports -c -o file.o... yes
checking if g++ supports -c -o file.o... (cached) yes
checking whether the g++ linker (ld -m elf_x86_64) supports shared libraries... 
yes
checking dynamic linker characteristics... GNU/Linux ld.so
checking how to hardcode library paths into programs... immediate
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checking size of void *... 8
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checking whether the inttypes.h PRIxNN macros are broken... no
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checking for iconv declaration... 
         extern size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, 
char * *outbuf, size_t *outbytesleft);
checking for nl_langinfo and CODESET... yes
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checking where the gettext function comes from... libc
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configure: creating ./config.status
config.status: creating Makefile
config.status: creating src/Makefile
config.status: creating check/Makefile
config.status: creating doc/Makefile
config.status: creating doc/en/Makefile
config.status: creating doc/es/Makefile
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config.status: creating doc/el/Makefile
config.status: creating doc/el/tutoriel/Makefile
config.status: creating doc/el/casinter/Makefile
config.status: creating doc/local/Makefile
config.status: creating doc/pt/Makefile
config.status: creating doc/zh/Makefile
config.status: creating doc/de/Makefile
config.status: creating intl/Makefile
config.status: WARNING:  'intl/Makefile.in' seems to ignore the --datarootdir 
setting
config.status: creating po/Makefile.in
config.status: WARNING:  'po/Makefile.in.in' seems to ignore the --datarootdir 
setting
config.status: creating examples/Makefile
config.status: creating debianold/Makefile
config.status: creating debian/Makefile
config.status: creating config.h
config.status: executing depfiles commands
config.status: executing libtool commands
config.status: executing default-1 commands
config.status: creating po/POTFILES
config.status: creating po/Makefile
Adding link . to giac in src
Building  giac...
make[3]: Entering directory 
'/home/ahelfgo/Downloads/sage-8.1/local/var/tmp/sage/build/giac-1.2.3.47.p0/src'
CDPATH="${ZSH_VERSION+.}:" && cd . && /bin/bash 
/home/ahelfgo/Downloads/sage-8.1/local/var/tmp/sage/build/giac-1.2.3.47.p0/src/config/missing
 --run aclocal-1.11 -I m4
/home/ahelfgo/Downloads/sage-8.1/local/var/tmp/sage/build/giac-1.2.3.47.p0/src/config/missing:
 line 54: aclocal-1.11: command not found
WARNING: `aclocal-1.11' is missing on your system.  You should only need it if
         you modified `acinclude.m4' or `configure.in'.  You might want
         to install the `Automake' and `Perl' packages.  Grab them from
         any GNU archive site.
 cd . && /bin/bash 
/home/ahelfgo/Downloads/sage-8.1/local/var/tmp/sage/build/giac-1.2.3.47.p0/src/config/missing
 --run automake-1.11 --gnu
/home/ahelfgo/Downloads/sage-8.1/local/var/tmp/sage/build/giac-1.2.3.47.p0/src/config/missing:
 line 54: automake-1.11: command not found
WARNING: `automake-1.11' is missing on your system.  You should only need it if
         you modified `Makefile.am', `acinclude.m4' or `configure.in'.
         You might want to install the `Automake' and `Perl' packages.
         Grab them from any GNU archive site.
CDPATH="${ZSH_VERSION+.}:" && cd . && /bin/bash 
/home/ahelfgo/Downloads/sage-8.1/local/var/tmp/sage/build/giac-1.2.3.47.p0/src/config/missing
 --run autoconf
configure.in:38: warning: AC_LANG_CONFTEST: no AC_LANG_SOURCE call detected in 
body
../../lib/autoconf/lang.m4:193: AC_LANG_CONFTEST is expanded from...
../../lib/autoconf/general.m4:2672: _AC_LINK_IFELSE is expanded from...
../../lib/autoconf/general.m4:2689: AC_LINK_IFELSE is expanded from...
m4/libtool.m4:1018: _LT_SYS_MODULE_PATH_AIX is expanded from...
m4/libtool.m4:4139: _LT_LINKER_SHLIBS is expanded from...
m4/libtool.m4:5214: _LT_LANG_C_CONFIG is expanded from...
m4/libtool.m4:138: _LT_SETUP is expanded from...
m4/libtool.m4:67: LT_INIT is expanded from...
m4/libtool.m4:102: AC_PROG_LIBTOOL is expanded from...
configure.in:38: the top level
configure.in:38: warning: AC_LANG_CONFTEST: no AC_LANG_SOURCE call detected in 
body
../../lib/autoconf/lang.m4:193: AC_LANG_CONFTEST is expanded from...
../../lib/autoconf/general.m4:2672: _AC_LINK_IFELSE is expanded from...
../../lib/autoconf/general.m4:2689: AC_LINK_IFELSE is expanded from...
m4/libtool.m4:4139: _LT_LINKER_SHLIBS is expanded from...
m4/libtool.m4:5214: _LT_LANG_C_CONFIG is expanded from...
m4/libtool.m4:138: _LT_SETUP is expanded from...
m4/libtool.m4:67: LT_INIT is expanded from...
m4/libtool.m4:102: AC_PROG_LIBTOOL is expanded from...
configure.in:38: the top level
configure.in:38: warning: AC_LANG_CONFTEST: no AC_LANG_SOURCE call detected in 
body
../../lib/autoconf/lang.m4:193: AC_LANG_CONFTEST is expanded from...
../../lib/autoconf/general.m4:2672: _AC_LINK_IFELSE is expanded from...
../../lib/autoconf/general.m4:2689: AC_LINK_IFELSE is expanded from...
m4/libtool.m4:1018: _LT_SYS_MODULE_PATH_AIX is expanded from...
m4/libtool.m4:5321: _LT_LANG_CXX_CONFIG is expanded from...
m4/libtool.m4:785: _LT_LANG is expanded from...
m4/libtool.m4:768: LT_LANG is expanded from...
m4/libtool.m4:796: _LT_LANG_DEFAULT_CONFIG is expanded from...
m4/libtool.m4:138: _LT_SETUP is expanded from...
m4/libtool.m4:67: LT_INIT is expanded from...
m4/libtool.m4:102: AC_PROG_LIBTOOL is expanded from...
configure.in:38: the top level
/bin/bash ./config.status --recheck
running CONFIG_SHELL=/bin/bash /bin/bash ./configure 
--prefix=/home/ahelfgo/Downloads/sage-8.1/local --disable-gui --disable-ao 
--disable-lapack  build_alias= host_alias= target_alias= CC=gcc CFLAGS=-g -O2  
LDFLAGS=-L/home/ahelfgo/Downloads/sage-8.1/local/lib 
-Wl,-rpath,/home/ahelfgo/Downloads/sage-8.1/local/lib  
CPPFLAGS=-I/home/ahelfgo/Downloads/sage-8.1/local/include  CXX=g++ CXXFLAGS=-g 
-O2  --no-create --no-recursion
configure: WARNING: you should use --build, --host, --target
checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for a thread-safe mkdir -p... /bin/mkdir -p
checking for gawk... gawk
checking whether make sets $(MAKE)... yes
checking for gcc... gcc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables... 
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether gcc accepts -g... yes
checking for gcc option to accept ISO C89... none needed
checking for style of include used by make... GNU
checking dependency style of gcc... gcc3
checking whether ln -s works... yes
checking whether we are using the GNU C++ compiler... yes
checking whether g++ accepts -g... yes
checking dependency style of g++... gcc3
checking how to run the C++ preprocessor... g++ -E
checking build system type... x86_64-pc-linux-gnu
checking host system type... x86_64-pc-linux-gnu
checking for a sed that does not truncate output... /bin/sed
checking for grep that handles long lines and -e... /bin/grep
checking for egrep... /bin/grep -E
checking for fgrep... /bin/grep -F
checking for ld used by gcc... ld -m elf_x86_64
checking if the linker (ld -m elf_x86_64) is GNU ld... yes
checking for BSD- or MS-compatible name lister (nm)... /usr/bin/nm -B
checking the name lister (/usr/bin/nm -B) interface... BSD nm
checking the maximum length of command line arguments... 1572864
checking whether the shell understands some XSI constructs... yes
checking whether the shell understands "+="... yes
checking for ld -m elf_x86_64 option to reload object files... -r
checking how to recognize dependent libraries... pass_all
checking for ar... ar
checking for strip... strip
checking for ranlib... ranlib
checking command to parse /usr/bin/nm -B output from gcc object... ok
checking how to run the C preprocessor... gcc -E
checking for ANSI C header files... yes
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for unistd.h... yes
checking for dlfcn.h... yes
checking whether we are using the GNU C++ compiler... (cached) yes
checking whether g++ accepts -g... (cached) yes
checking dependency style of g++... (cached) gcc3
checking how to run the C++ preprocessor... g++ -E
checking for objdir... .libs
checking if gcc supports -fno-rtti -fno-exceptions... no
checking for gcc option to produce PIC... -fPIC -DPIC
checking if gcc PIC flag -fPIC -DPIC works... yes
checking if gcc static flag -static works... yes
checking if gcc supports -c -o file.o... yes
checking if gcc supports -c -o file.o... (cached) yes
checking whether the gcc linker (ld -m elf_x86_64 -m elf_x86_64) supports 
shared libraries... yes
checking whether -lc should be explicitly linked in... no
checking dynamic linker characteristics... GNU/Linux ld.so
checking how to hardcode library paths into programs... immediate
checking whether stripping libraries is possible... yes
checking if libtool supports shared libraries... yes
checking whether to build shared libraries... yes
checking whether to build static libraries... yes
checking for ld used by g++... ld -m elf_x86_64 -m elf_x86_64
checking if the linker (ld -m elf_x86_64 -m elf_x86_64) is GNU ld... yes
checking whether the g++ linker (ld -m elf_x86_64 -m elf_x86_64) supports 
shared libraries... yes
checking for g++ option to produce PIC... -fPIC -DPIC
checking if g++ PIC flag -fPIC -DPIC works... yes
checking if g++ static flag -static works... yes
checking if g++ supports -c -o file.o... yes
checking if g++ supports -c -o file.o... (cached) yes
checking whether the g++ linker (ld -m elf_x86_64 -m elf_x86_64) supports 
shared libraries... yes
checking dynamic linker characteristics... GNU/Linux ld.so
checking how to hardcode library paths into programs... immediate
checking for bison... no
checking for byacc... no
checking for flex... no
checking for lex... no
checking for standard C++ header files... yes
checking gmp.h usability... yes
checking gmp.h presence... yes
checking for gmp.h... yes
checking for main in -lgmp... yes
checking mpfr.h usability... yes
checking mpfr.h presence... yes
checking for mpfr.h... yes
checking for main in -lmpfr... yes
checking for mpfr_set_str_raw... no
checking mpfi.h usability... yes
checking mpfi.h presence... yes
checking for mpfi.h... yes
checking for main in -lmpfi... yes
checking for main in -lm... yes
checking png.h usability... yes
checking png.h presence... yes
checking for png.h... yes
checking for main in -lpng16... yes
checking for dlopen in -ldl... yes
checking size of void *... 8
checking size of int... 4
checking size of long... 8
checking size of long long... 8
checking gsl/gsl_blas.h usability... yes
checking gsl/gsl_blas.h presence... yes
checking for gsl/gsl_blas.h... yes
checking gsl/gsl_eigen.h usability... yes
checking gsl/gsl_eigen.h presence... yes
checking for gsl/gsl_eigen.h... yes
checking for main in -lgslcblas... yes
checking for gsl_sf_gamma in -lgsl... yes
checking pari/pari.h usability... yes
checking pari/pari.h presence... yes
checking for pari/pari.h... yes
checking for main in -lpari... yes
checking NTL/ZZ.h usability... yes
checking NTL/ZZ.h presence... yes
checking for NTL/ZZ.h... yes
checking for main in -lntl... yes
checking gmpxx.h usability... yes
checking gmpxx.h presence... yes
checking for gmpxx.h... yes
checking for main in -lgmpxx... yes
checking CoCoA/io.H usability... no
checking CoCoA/io.H presence... no
checking for CoCoA/io.H... no
checking for tgetent... no
checking for tgetent in -lncurses... no
checking for tgetent in -ltermcap... yes
checking readline/readline.h usability... yes
checking readline/readline.h presence... yes
checking for readline/readline.h... yes
checking readline/history.h usability... yes
checking readline/history.h presence... yes
checking for readline/history.h... yes
checking for version of libreadline... yes
checking for readline in -lreadline... yes
checking for main in -lpthread... yes
checking pthread.h usability... yes
checking pthread.h presence... yes
checking for pthread.h... yes
checking malloc.h usability... yes
checking malloc.h presence... yes
checking for malloc.h... yes
checking for sysconf... yes
checking for clock_gettime in -lrt... yes
checking unordered_map usability... yes
checking unordered_map presence... yes
checking for unordered_map... yes
checking ext/hash_map usability... yes
checking ext/hash_map presence... yes
checking for ext/hash_map... yes
checking tr1/unordered_map usability... yes
checking tr1/unordered_map presence... yes
checking for tr1/unordered_map... yes
checking hash_map usability... yes
checking hash_map presence... yes
checking for hash_map... yes
checking pwd.h usability... yes
checking pwd.h presence... yes
checking for pwd.h... yes
checking locale.h usability... yes
checking locale.h presence... yes
checking for locale.h... yes
checking for unistd.h... (cached) yes
checking sys/time.h usability... yes
checking sys/time.h presence... yes
checking for sys/time.h... yes
checking sys/times.h usability... yes
checking sys/times.h presence... yes
checking for sys/times.h... yes
checking sys/resource.h usability... yes
checking sys/resource.h presence... yes
checking for sys/resource.h... yes
checking for sys/types.h... (cached) yes
checking signal.h usability... yes
checking signal.h presence... yes
checking for signal.h... yes
checking for getpid... yes
checking for getcwd... yes
checking for getpwuid... yes
checking for system... yes
checking whether NLS is requested... yes
checking for msgfmt... /usr/bin/msgfmt
checking for gmsgfmt... /usr/bin/msgfmt
checking for xgettext... /usr/bin/xgettext
checking for msgmerge... /usr/bin/msgmerge
checking whether we are using the GNU C Library 2 or newer... yes
checking for ranlib... (cached) ranlib
checking for strerror in -lcposix... no
checking for an ANSI C-conforming const... yes
checking for signed... yes
checking for inline... inline
checking for off_t... yes
checking for size_t... yes
checking for long long... yes
checking for long double... yes
checking for wchar_t... yes
checking for wint_t... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for intmax_t... yes
checking whether printf() supports POSIX/XSI format strings... yes
checking for working alloca.h... yes
checking for alloca... yes
checking for stdlib.h... (cached) yes
checking for unistd.h... (cached) yes
checking for sys/param.h... yes
checking for getpagesize... yes
checking for working mmap... yes
checking whether we are using the GNU C Library 2.1 or newer... yes
checking whether integer division by zero raises SIGFPE... yes
checking for unsigned long long... yes
checking for inttypes.h... yes
checking whether the inttypes.h PRIxNN macros are broken... no
checking for stdint.h... (cached) yes
checking for SIZE_MAX... yes
checking for stdint.h... (cached) yes
checking for CFPreferencesCopyAppValue... no
checking for CFLocaleCopyCurrent... no
checking for ld used by GCC... ld -m elf_x86_64 -m elf_x86_64
checking if the linker (ld -m elf_x86_64 -m elf_x86_64) is GNU ld... yes
checking for shared library run path origin... done
checking for ptrdiff_t... yes
checking argz.h usability... yes
checking argz.h presence... yes
checking for argz.h... yes
checking limits.h usability... yes
checking limits.h presence... yes
checking for limits.h... yes
checking for locale.h... (cached) yes
checking nl_types.h usability... yes
checking nl_types.h presence... yes
checking for nl_types.h... yes
checking for malloc.h... (cached) yes
checking stddef.h usability... yes
checking stddef.h presence... yes
checking for stddef.h... yes
checking for stdlib.h... (cached) yes
checking for string.h... (cached) yes
checking for unistd.h... (cached) yes
checking for sys/param.h... (cached) yes
checking for asprintf... yes
checking for fwprintf... yes
checking for getcwd... (cached) yes
checking for getegid... yes
checking for geteuid... yes
checking for getgid... yes
checking for getuid... yes
checking for mempcpy... yes
checking for munmap... yes
checking for putenv... yes
checking for setenv... yes
checking for setlocale... yes
checking for snprintf... yes
checking for stpcpy... yes
checking for strcasecmp... yes
checking for strdup... yes
checking for strtoul... yes
checking for tsearch... yes
checking for wcslen... yes
checking for __argz_count... yes
checking for __argz_stringify... yes
checking for __argz_next... yes
checking for __fsetlocking... yes
checking whether _snprintf is declared... no
checking whether _snwprintf is declared... no
checking whether feof_unlocked is declared... yes
checking whether fgets_unlocked is declared... yes
checking whether getc_unlocked is declared... yes
checking for iconv... yes
checking for iconv declaration... 
         extern size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, 
char * *outbuf, size_t *outbytesleft);
checking for nl_langinfo and CODESET... yes
checking for LC_MESSAGES... yes
checking for bison... no
checking for CFPreferencesCopyAppValue... (cached) no
checking for CFLocaleCopyCurrent... (cached) no
checking whether NLS is requested... yes
checking whether included gettext is requested... no
checking for GNU gettext in libc... yes
checking whether to use NLS... yes
checking where the gettext function comes from... libc
checking for main in -lintl... no
checking for egrep... (cached) /bin/grep -E
checking for latex... /usr/bin/latex
checking for makeindex... /usr/bin/makeindex
checking for pdflatex... /usr/bin/pdflatex
checking for dvips... /usr/bin/dvips
checking sstream usability... yes
checking sstream presence... yes
checking for sstream... yes
configure: creating ./config.status
Adding link . to giac in src
 /bin/bash ./config.status
config.status: creating Makefile
config.status: creating src/Makefile
config.status: creating check/Makefile
config.status: creating doc/Makefile
config.status: creating doc/en/Makefile
config.status: creating doc/es/Makefile
config.status: creating doc/fr/Makefile
config.status: creating doc/el/Makefile
config.status: creating doc/el/tutoriel/Makefile
config.status: creating doc/el/casinter/Makefile
config.status: creating doc/local/Makefile
config.status: creating doc/pt/Makefile
config.status: creating doc/zh/Makefile
config.status: creating doc/de/Makefile
config.status: creating intl/Makefile
config.status: WARNING:  'intl/Makefile.in' seems to ignore the --datarootdir 
setting
config.status: creating po/Makefile.in
config.status: WARNING:  'po/Makefile.in.in' seems to ignore the --datarootdir 
setting
config.status: creating examples/Makefile
config.status: creating debianold/Makefile
config.status: creating debian/Makefile
config.status: creating config.h
config.status: config.h is unchanged
config.status: executing depfiles commands
config.status: executing libtool commands
config.status: executing default-1 commands
config.status: creating po/POTFILES
config.status: creating po/Makefile
(CDPATH="${ZSH_VERSION+.}:" && cd . && /bin/bash 
/home/ahelfgo/Downloads/sage-8.1/local/var/tmp/sage/build/giac-1.2.3.47.p0/src/config/missing
 --run autoheader)
configure.in:38: warning: AC_LANG_CONFTEST: no AC_LANG_SOURCE call detected in 
body
../../lib/autoconf/lang.m4:193: AC_LANG_CONFTEST is expanded from...
../../lib/autoconf/general.m4:2672: _AC_LINK_IFELSE is expanded from...
../../lib/autoconf/general.m4:2689: AC_LINK_IFELSE is expanded from...
m4/libtool.m4:1018: _LT_SYS_MODULE_PATH_AIX is expanded from...
m4/libtool.m4:4139: _LT_LINKER_SHLIBS is expanded from...
m4/libtool.m4:5214: _LT_LANG_C_CONFIG is expanded from...
m4/libtool.m4:138: _LT_SETUP is expanded from...
m4/libtool.m4:67: LT_INIT is expanded from...
m4/libtool.m4:102: AC_PROG_LIBTOOL is expanded from...
configure.in:38: the top level
configure.in:38: warning: AC_LANG_CONFTEST: no AC_LANG_SOURCE call detected in 
body
../../lib/autoconf/lang.m4:193: AC_LANG_CONFTEST is expanded from...
../../lib/autoconf/general.m4:2672: _AC_LINK_IFELSE is expanded from...
../../lib/autoconf/general.m4:2689: AC_LINK_IFELSE is expanded from...
m4/libtool.m4:4139: _LT_LINKER_SHLIBS is expanded from...
m4/libtool.m4:5214: _LT_LANG_C_CONFIG is expanded from...
m4/libtool.m4:138: _LT_SETUP is expanded from...
m4/libtool.m4:67: LT_INIT is expanded from...
m4/libtool.m4:102: AC_PROG_LIBTOOL is expanded from...
configure.in:38: the top level
configure.in:38: warning: AC_LANG_CONFTEST: no AC_LANG_SOURCE call detected in 
body
../../lib/autoconf/lang.m4:193: AC_LANG_CONFTEST is expanded from...
../../lib/autoconf/general.m4:2672: _AC_LINK_IFELSE is expanded from...
../../lib/autoconf/general.m4:2689: AC_LINK_IFELSE is expanded from...
m4/libtool.m4:1018: _LT_SYS_MODULE_PATH_AIX is expanded from...
m4/libtool.m4:5321: _LT_LANG_CXX_CONFIG is expanded from...
m4/libtool.m4:785: _LT_LANG is expanded from...
m4/libtool.m4:768: LT_LANG is expanded from...
m4/libtool.m4:796: _LT_LANG_DEFAULT_CONFIG is expanded from...
m4/libtool.m4:138: _LT_SETUP is expanded from...
m4/libtool.m4:67: LT_INIT is expanded from...
m4/libtool.m4:102: AC_PROG_LIBTOOL is expanded from...
configure.in:38: the top level
rm -f stamp-h1
touch config.h.in
cd . && /bin/bash ./config.status config.h
config.status: creating config.h
make  all-recursive
make[4]: Entering directory 
'/home/ahelfgo/Downloads/sage-8.1/local/var/tmp/sage/build/giac-1.2.3.47.p0/src'
Making all in src
make[5]: Entering directory 
'/home/ahelfgo/Downloads/sage-8.1/local/var/tmp/sage/build/giac-1.2.3.47.p0/src/src'
/bin/bash ../libtool --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..  
-DIN_GIAC -I. -I.. -I. -I..     
-I/home/ahelfgo/Downloads/sage-8.1/local/include   -g -O2  -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT input_lexer.lo -MD -MP -MF .deps/input_lexer.Tpo 
-c -o input_lexer.lo input_lexer.cc
libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -DIN_GIAC -I. -I.. -I. -I.. 
-I/home/ahelfgo/Downloads/sage-8.1/local/include -g -O2 -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT input_lexer.lo -MD -MP -MF .deps/input_lexer.Tpo 
-c input_lexer.cc  -fPIC -DPIC -o .libs/input_lexer.o
libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -DIN_GIAC -I. -I.. -I. -I.. 
-I/home/ahelfgo/Downloads/sage-8.1/local/include -g -O2 -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT input_lexer.lo -MD -MP -MF .deps/input_lexer.Tpo 
-c input_lexer.cc -o input_lexer.o >/dev/null 2>&1
mv -f .deps/input_lexer.Tpo .deps/input_lexer.Plo
/bin/bash ../libtool --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..  
-DIN_GIAC -I. -I.. -I. -I..     
-I/home/ahelfgo/Downloads/sage-8.1/local/include   -g -O2  -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT sym2poly.lo -MD -MP -MF .deps/sym2poly.Tpo -c -o 
sym2poly.lo sym2poly.cc
libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -DIN_GIAC -I. -I.. -I. -I.. 
-I/home/ahelfgo/Downloads/sage-8.1/local/include -g -O2 -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT sym2poly.lo -MD -MP -MF .deps/sym2poly.Tpo -c 
sym2poly.cc  -fPIC -DPIC -o .libs/sym2poly.o
libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -DIN_GIAC -I. -I.. -I. -I.. 
-I/home/ahelfgo/Downloads/sage-8.1/local/include -g -O2 -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT sym2poly.lo -MD -MP -MF .deps/sym2poly.Tpo -c 
sym2poly.cc -o sym2poly.o >/dev/null 2>&1
mv -f .deps/sym2poly.Tpo .deps/sym2poly.Plo
/bin/bash ../libtool --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..  
-DIN_GIAC -I. -I.. -I. -I..     
-I/home/ahelfgo/Downloads/sage-8.1/local/include   -g -O2  -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT gausspol.lo -MD -MP -MF .deps/gausspol.Tpo -c -o 
gausspol.lo gausspol.cc
libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -DIN_GIAC -I. -I.. -I. -I.. 
-I/home/ahelfgo/Downloads/sage-8.1/local/include -g -O2 -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT gausspol.lo -MD -MP -MF .deps/gausspol.Tpo -c 
gausspol.cc  -fPIC -DPIC -o .libs/gausspol.o
libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -DIN_GIAC -I. -I.. -I. -I.. 
-I/home/ahelfgo/Downloads/sage-8.1/local/include -g -O2 -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT gausspol.lo -MD -MP -MF .deps/gausspol.Tpo -c 
gausspol.cc -o gausspol.o >/dev/null 2>&1
mv -f .deps/gausspol.Tpo .deps/gausspol.Plo
/bin/bash ../libtool --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..  
-DIN_GIAC -I. -I.. -I. -I..     
-I/home/ahelfgo/Downloads/sage-8.1/local/include   -g -O2  -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT threaded.lo -MD -MP -MF .deps/threaded.Tpo -c -o 
threaded.lo threaded.cc
libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -DIN_GIAC -I. -I.. -I. -I.. 
-I/home/ahelfgo/Downloads/sage-8.1/local/include -g -O2 -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT threaded.lo -MD -MP -MF .deps/threaded.Tpo -c 
threaded.cc  -fPIC -DPIC -o .libs/threaded.o
libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -DIN_GIAC -I. -I.. -I. -I.. 
-I/home/ahelfgo/Downloads/sage-8.1/local/include -g -O2 -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT threaded.lo -MD -MP -MF .deps/threaded.Tpo -c 
threaded.cc -o threaded.o >/dev/null 2>&1
mv -f .deps/threaded.Tpo .deps/threaded.Plo
/bin/bash ../libtool --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..  
-DIN_GIAC -I. -I.. -I. -I..     
-I/home/ahelfgo/Downloads/sage-8.1/local/include   -g -O2  -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT moyal.lo -MD -MP -MF .deps/moyal.Tpo -c -o 
moyal.lo moyal.cc
libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -DIN_GIAC -I. -I.. -I. -I.. 
-I/home/ahelfgo/Downloads/sage-8.1/local/include -g -O2 -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT moyal.lo -MD -MP -MF .deps/moyal.Tpo -c moyal.cc  
-fPIC -DPIC -o .libs/moyal.o
libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -DIN_GIAC -I. -I.. -I. -I.. 
-I/home/ahelfgo/Downloads/sage-8.1/local/include -g -O2 -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT moyal.lo -MD -MP -MF .deps/moyal.Tpo -c moyal.cc 
-o moyal.o >/dev/null 2>&1
mv -f .deps/moyal.Tpo .deps/moyal.Plo
/bin/bash ../libtool --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..  
-DIN_GIAC -I. -I.. -I. -I..     
-I/home/ahelfgo/Downloads/sage-8.1/local/include   -g -O2  -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT maple.lo -MD -MP -MF .deps/maple.Tpo -c -o 
maple.lo maple.cc
libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -DIN_GIAC -I. -I.. -I. -I.. 
-I/home/ahelfgo/Downloads/sage-8.1/local/include -g -O2 -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT maple.lo -MD -MP -MF .deps/maple.Tpo -c maple.cc  
-fPIC -DPIC -o .libs/maple.o
maple.cc: In function 'giac::gen giac::_cpp(const giac::gen&, const 
giac::context*)':
maple.cc:3603:11: warning: ignoring return value of 'int system(const char*)', 
declared with attribute warn_unused_result [-Wunused-result]
     system(cmd.c_str());
     ~~~~~~^~~~~~~~~~~~~
libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -DIN_GIAC -I. -I.. -I. -I.. 
-I/home/ahelfgo/Downloads/sage-8.1/local/include -g -O2 -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT maple.lo -MD -MP -MF .deps/maple.Tpo -c maple.cc 
-o maple.o >/dev/null 2>&1
mv -f .deps/maple.Tpo .deps/maple.Plo
/bin/bash ../libtool --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..  
-DIN_GIAC -I. -I.. -I. -I..     
-I/home/ahelfgo/Downloads/sage-8.1/local/include   -g -O2  -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT ti89.lo -MD -MP -MF .deps/ti89.Tpo -c -o ti89.lo 
ti89.cc
libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -DIN_GIAC -I. -I.. -I. -I.. 
-I/home/ahelfgo/Downloads/sage-8.1/local/include -g -O2 -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT ti89.lo -MD -MP -MF .deps/ti89.Tpo -c ti89.cc  
-fPIC -DPIC -o .libs/ti89.o
libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -DIN_GIAC -I. -I.. -I. -I.. 
-I/home/ahelfgo/Downloads/sage-8.1/local/include -g -O2 -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT ti89.lo -MD -MP -MF .deps/ti89.Tpo -c ti89.cc -o 
ti89.o >/dev/null 2>&1
mv -f .deps/ti89.Tpo .deps/ti89.Plo
/bin/bash ../libtool --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..  
-DIN_GIAC -I. -I.. -I. -I..     
-I/home/ahelfgo/Downloads/sage-8.1/local/include   -g -O2  -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT mathml.lo -MD -MP -MF .deps/mathml.Tpo -c -o 
mathml.lo mathml.cc
libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -DIN_GIAC -I. -I.. -I. -I.. 
-I/home/ahelfgo/Downloads/sage-8.1/local/include -g -O2 -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT mathml.lo -MD -MP -MF .deps/mathml.Tpo -c 
mathml.cc  -fPIC -DPIC -o .libs/mathml.o
libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -DIN_GIAC -I. -I.. -I. -I.. 
-I/home/ahelfgo/Downloads/sage-8.1/local/include -g -O2 -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT mathml.lo -MD -MP -MF .deps/mathml.Tpo -c 
mathml.cc -o mathml.o >/dev/null 2>&1
mv -f .deps/mathml.Tpo .deps/mathml.Plo
/bin/bash ../libtool --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..  
-DIN_GIAC -I. -I.. -I. -I..     
-I/home/ahelfgo/Downloads/sage-8.1/local/include   -g -O2  -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT misc.lo -MD -MP -MF .deps/misc.Tpo -c -o misc.lo 
misc.cc
libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -DIN_GIAC -I. -I.. -I. -I.. 
-I/home/ahelfgo/Downloads/sage-8.1/local/include -g -O2 -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT misc.lo -MD -MP -MF .deps/misc.Tpo -c misc.cc  
-fPIC -DPIC -o .libs/misc.o
libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -DIN_GIAC -I. -I.. -I. -I.. 
-I/home/ahelfgo/Downloads/sage-8.1/local/include -g -O2 -fno-strict-aliasing 
-DGIAC_GENERIC_CONSTANTS -MT misc.lo -MD -MP -MF .deps/misc.Tpo -c misc.cc -o 
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giac::gen&, giac::environment*, int, int&, const giac::context*, bool)':
solve.cc:5693:36: warning: narrowing conversion of 'order' from 'int' to 'short 
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       order_t order_={order,lexvars};
                                    ^
solve.cc:5693:36: warning: narrowing conversion of 'lexvars' from 'int' to 
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solve.cc: In function 'giac::gen giac::_greduce(const giac::gen&, const 
giac::context*)':
solve.cc:6828:27: warning: narrowing conversion of 
'order.giac::gen::<anonymous>.giac::gen::<unnamed union>::val' from 'int' to 
'short int' inside { } [-Wnarrowing]
     order_t order_={order.val,0};
                     ~~~~~~^~~
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../../src/init2.c:52: MPFR assertion failed: p >= 2 && p <= 
((mpfr_prec_t)((mpfr_uprec_t)(~(mpfr_uprec_t)0)>>1))
vecteur.cc: In function 'giac::gen giac::a_root(const vecteur&, const 
complex_double&, double)':
vecteur.cc:18661:1: internal compiler error: Aborted
 } // namespace giac
 ^
Please submit a full bug report,
with preprocessed source if appropriate.
See <file:///usr/share/doc/gcc-7/README.Bugs> for instructions.
Makefile:752: recipe for target 'vecteur.lo' failed
make[5]: *** [vecteur.lo] Error 1
make[5]: Leaving directory 
'/home/ahelfgo/Downloads/sage-8.1/local/var/tmp/sage/build/giac-1.2.3.47.p0/src/src'
Makefile:402: recipe for target 'all-recursive' failed
make[4]: *** [all-recursive] Error 1
make[4]: Leaving directory 
'/home/ahelfgo/Downloads/sage-8.1/local/var/tmp/sage/build/giac-1.2.3.47.p0/src'
Makefile:331: recipe for target 'all' failed
make[3]: *** [all] Error 2
make[3]: Leaving directory 
'/home/ahelfgo/Downloads/sage-8.1/local/var/tmp/sage/build/giac-1.2.3.47.p0/src'

real    8m43.553s
user    8m25.749s
sys     0m14.401s
************************************************************************
Error installing package giac-1.2.3.47.p0
************************************************************************
Please email sage-devel (http://groups.google.com/group/sage-devel)
explaining the problem and including the log file
  /home/ahelfgo/Downloads/sage-8.1/logs/pkgs/giac-1.2.3.47.p0.log
Describe your computer, operating system, etc.
If you want to try to fix the problem yourself, *don't* just cd to
/home/ahelfgo/Downloads/sage-8.1/local/var/tmp/sage/build/giac-1.2.3.47.p0 and 
type 'make' or whatever is appropriate.
Instead, the following commands setup all environment variables
correctly and load a subshell for you to debug the error:
  (cd 
'/home/ahelfgo/Downloads/sage-8.1/local/var/tmp/sage/build/giac-1.2.3.47.p0' && 
'/home/ahelfgo/Downloads/sage-8.1/sage' --sh)
When you are done debugging, you can type "exit" to leave the subshell.
************************************************************************

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