In fact, trying to upgrade from sage-2.6 on a Linux x86 host failed, with
the following error messages (when building f2c,related to this)

cd spkg && ./install all 2>&1 | tee -a ../install.log
make[1]: se ingresa al directorio `/hdc1/pablo.hdc1/sage/sage/spkg'
sage-spkg installed/f2c-1 2>&1
f2c-1
Machine:
Linux cleopatra 2.6.20.14 #1 Thu Jun 14 12:45:30 ART 2007 i686 AMD
Duron(tm) AuthenticAMD GNU/Linux
Deleting directories from past builds of previous/current versions of f2c-1
Extracting package /home/pablo/sage/spkg/standard/f2c-1.spkg ...
-rw------- 1 pablo users 262938 jul 20 22:15
/home/pablo/sage/spkg/standard/f2c-1.spkg
f2c-1/
f2c-1/spkg-install
f2c-1/README.txt
f2c-1/patches/
f2c-1/patches/makefile
f2c-1/spkg-install~
f2c-1/src/
f2c-1/src/combine_archives/
f2c-1/src/libf2c/
f2c-1/src/libf2c/d_sinh.o
f2c-1/src/libf2c/d_tanh.c
f2c-1/src/libf2c/pow_zi.c
f2c-1/src/libf2c/i77vers.c
f2c-1/src/libf2c/sig_die.o
f2c-1/src/libf2c/r_lg10.c
f2c-1/src/libf2c/r_asin.o
f2c-1/src/libf2c/pow_zz.c
f2c-1/src/libf2c/makefile
f2c-1/src/libf2c/fmtlib.c
f2c-1/src/libf2c/r_exp.o
f2c-1/src/libf2c/Notice
f2c-1/src/libf2c/hl_gt.c
f2c-1/src/libf2c/fp.h
f2c-1/src/libf2c/r_nint.o
f2c-1/src/libf2c/d_sqrt.c
f2c-1/src/libf2c/i_indx.o
f2c-1/src/libf2c/r_mod.o
f2c-1/src/libf2c/i_nint.c
f2c-1/src/libf2c/pow_ii.c
f2c-1/src/libf2c/pow_ri.c
f2c-1/src/libf2c/r_sign.c
f2c-1/src/libf2c/system_.o
f2c-1/src/libf2c/pow_ii.o
f2c-1/src/libf2c/derfc_.o
f2c-1/src/libf2c/d_cosh.o
f2c-1/src/libf2c/getarg_.c
f2c-1/src/libf2c/d_sin.o
f2c-1/src/libf2c/d_acos.o
f2c-1/src/libf2c/d_cosh.c
f2c-1/src/libf2c/i_abs.c
f2c-1/src/libf2c/exit_.o
f2c-1/src/libf2c/c_abs.o
f2c-1/src/libf2c/d_lg10.c
f2c-1/src/libf2c/README
f2c-1/src/libf2c/h_sign.o
f2c-1/src/libf2c/pow_hh.o
f2c-1/src/libf2c/r_asin.c
f2c-1/src/libf2c/c_sin.c
f2c-1/src/libf2c/d_exp.o
f2c-1/src/libf2c/ef1asc_.o
f2c-1/src/libf2c/makefile.u
f2c-1/src/libf2c/endfile.c
f2c-1/src/libf2c/z_abs.o
f2c-1/src/libf2c/l_gt.c
f2c-1/src/libf2c/z_div.o
f2c-1/src/libf2c/pow_di.c
f2c-1/src/libf2c/rawio.h
f2c-1/src/libf2c/dfe.o
f2c-1/src/libf2c/derf_.o
f2c-1/src/libf2c/cabs.o
f2c-1/src/libf2c/backspac.c
f2c-1/src/libf2c/c_div.o
f2c-1/src/libf2c/d_imag.c
f2c-1/src/libf2c/r_dim.o
f2c-1/src/libf2c/rsne.c
f2c-1/src/libf2c/lbitbits.o
f2c-1/src/libf2c/pow_dd.o
f2c-1/src/libf2c/iargc_.o
f2c-1/src/libf2c/math.hvc
f2c-1/src/libf2c/due.c
f2c-1/src/libf2c/ef1cmc_.o
f2c-1/src/libf2c/i_indx.c
f2c-1/src/libf2c/r_atn2.c
f2c-1/src/libf2c/sfe.c
f2c-1/src/libf2c/d_asin.c
f2c-1/src/libf2c/dolio.o
f2c-1/src/libf2c/getenv_.c
f2c-1/src/libf2c/r_mod.c
f2c-1/src/libf2c/h_len.c
f2c-1/src/libf2c/wrtfmt.c
f2c-1/src/libf2c/h_dim.c
f2c-1/src/libf2c/l_lt.o
f2c-1/src/libf2c/l_lt.c
f2c-1/src/libf2c/s_paus.c
f2c-1/src/libf2c/s_stop.o
f2c-1/src/libf2c/inquire.c
f2c-1/src/libf2c/sig_die.c
f2c-1/src/libf2c/d_abs.c
f2c-1/src/libf2c/z_sin.c
f2c-1/src/libf2c/s_paus.o
f2c-1/src/libf2c/r_atan.o
f2c-1/src/libf2c/r_lg10.o
f2c-1/src/libf2c/h_nint.c
f2c-1/src/libf2c/c_exp.o
f2c-1/src/libf2c/d_cnjg.o
f2c-1/src/libf2c/i_dim.c
f2c-1/src/libf2c/i_abs.o
f2c-1/src/libf2c/r_sqrt.o
f2c-1/src/libf2c/hl_gt.o
f2c-1/src/libf2c/i77vers.o
f2c-1/src/libf2c/iio.c
f2c-1/src/libf2c/r_sin.c
f2c-1/src/libf2c/z_div.c
f2c-1/src/libf2c/i_len.c
f2c-1/src/libf2c/s_cat.c
f2c-1/src/libf2c/due.o
f2c-1/src/libf2c/r_sin.o
f2c-1/src/libf2c/d_log.c
f2c-1/src/libf2c/z_sin.o
f2c-1/src/libf2c/z_sqrt.c
f2c-1/src/libf2c/s_cmp.o
f2c-1/src/libf2c/f2ch.add
f2c-1/src/libf2c/c_cos.o
f2c-1/src/libf2c/signal1.h0
f2c-1/src/libf2c/i_dnnt.o
f2c-1/src/libf2c/iargc_.c
f2c-1/src/libf2c/erfc_.o
f2c-1/src/libf2c/uio.c
f2c-1/src/libf2c/d_nint.o
f2c-1/src/libf2c/dtime_.c
f2c-1/src/libf2c/r_int.c
f2c-1/src/libf2c/ftell_.c
f2c-1/src/libf2c/r_exp.c
f2c-1/src/libf2c/r_nint.c
f2c-1/src/libf2c/erf_.c
f2c-1/src/libf2c/d_sign.c
f2c-1/src/libf2c/f77_aloc.o
f2c-1/src/libf2c/c_log.o
f2c-1/src/libf2c/c_sqrt.c
f2c-1/src/libf2c/derfc_.c
f2c-1/src/libf2c/exit_.c
f2c-1/src/libf2c/makefile.sy
f2c-1/src/libf2c/r_tanh.c
f2c-1/src/libf2c/qbitshft.c
f2c-1/src/libf2c/makefile.vc
f2c-1/src/libf2c/err.c
f2c-1/src/libf2c/wref.c
f2c-1/src/libf2c/lbitbits.c
f2c-1/src/libf2c/l_gt.o
f2c-1/src/libf2c/pow_hh.c
f2c-1/src/libf2c/z_abs.c
f2c-1/src/libf2c/d_atn2.o
f2c-1/src/libf2c/i_sign.c
f2c-1/src/libf2c/sue.c
f2c-1/src/libf2c/qbitbits.c
f2c-1/src/libf2c/r_log.c
f2c-1/src/libf2c/h_mod.o
f2c-1/src/libf2c/cabs.c
f2c-1/src/libf2c/s_copy.c
f2c-1/src/libf2c/c_cos.c
f2c-1/src/libf2c/d_imag.o
f2c-1/src/libf2c/lio.h
f2c-1/src/libf2c/h_nint.o
f2c-1/src/libf2c/lbitshft.c
f2c-1/src/libf2c/l_le.o
f2c-1/src/libf2c/d_tan.c
f2c-1/src/libf2c/r_acos.c
f2c-1/src/libf2c/z_exp.c
f2c-1/src/libf2c/xsum0.out
f2c-1/src/libf2c/d_prod.c
f2c-1/src/libf2c/r_sinh.o
f2c-1/src/libf2c/libf2c.sy
f2c-1/src/libf2c/r_cnjg.c
f2c-1/src/libf2c/r_cos.o
f2c-1/src/libf2c/fmt.h
f2c-1/src/libf2c/hl_le.o
f2c-1/src/libf2c/d_asin.o
f2c-1/src/libf2c/s_stop.c
f2c-1/src/libf2c/d_lg10.o
f2c-1/src/libf2c/d_atan.c
f2c-1/src/libf2c/i_nint.o
f2c-1/src/libf2c/hl_ge.c
f2c-1/src/libf2c/r_log.o
f2c-1/src/libf2c/h_dnnt.c
f2c-1/src/libf2c/main.c
f2c-1/src/libf2c/etime_.c
f2c-1/src/libf2c/r_imag.o
f2c-1/src/libf2c/c_exp.c
f2c-1/src/libf2c/ef1asc_.c
f2c-1/src/libf2c/h_sign.c
f2c-1/src/libf2c/r_tan.o
f2c-1/src/libf2c/r_abs.c
f2c-1/src/libf2c/rsfe.c
f2c-1/src/libf2c/d_log.o
f2c-1/src/libf2c/z_log.c
f2c-1/src/libf2c/c_log.c
f2c-1/src/libf2c/lbitshft.o
f2c-1/src/libf2c/pow_di.o
f2c-1/src/libf2c/system_.c
f2c-1/src/libf2c/d_sinh.c
f2c-1/src/libf2c/d_dim.o
f2c-1/src/libf2c/h_abs.o
f2c-1/src/libf2c/h_len.o
f2c-1/src/libf2c/r_cnjg.o
f2c-1/src/libf2c/d_sqrt.o
f2c-1/src/libf2c/d_mod.c
f2c-1/src/libf2c/pow_zi.o
f2c-1/src/libf2c/i_len.o
f2c-1/src/libf2c/ef1cmc_.c
f2c-1/src/libf2c/abort_.o
f2c-1/src/libf2c/signal_.c
f2c-1/src/libf2c/d_sin.c
f2c-1/src/libf2c/s_cmp.c
f2c-1/src/libf2c/wsne.c
f2c-1/src/libf2c/d_cnjg.c
f2c-1/src/libf2c/c_sin.o
f2c-1/src/libf2c/r_cos.c
f2c-1/src/libf2c/d_abs.o
f2c-1/src/libf2c/s_rnge.o
f2c-1/src/libf2c/lwrite.c
f2c-1/src/libf2c/d_prod.o
f2c-1/src/libf2c/rdfmt.c
f2c-1/src/libf2c/hl_ge.o
f2c-1/src/libf2c/pow_ri.o
f2c-1/src/libf2c/f2c.h0
f2c-1/src/libf2c/r_sign.o
f2c-1/src/libf2c/h_dnnt.o
f2c-1/src/libf2c/dfe.c
f2c-1/src/libf2c/d_int.c
f2c-1/src/libf2c/l_ge.o
f2c-1/src/libf2c/c_abs.c
f2c-1/src/libf2c/i_mod.o
f2c-1/src/libf2c/pow_qq.c
f2c-1/src/libf2c/rsli.c
f2c-1/src/libf2c/r_atn2.o
f2c-1/src/libf2c/signal_.o
f2c-1/src/libf2c/z_log.o
f2c-1/src/libf2c/s_copy.o
f2c-1/src/libf2c/d_mod.o
f2c-1/src/libf2c/r_imag.c
f2c-1/src/libf2c/i_sign.o
f2c-1/src/libf2c/r_cosh.o
f2c-1/src/libf2c/hl_lt.o
f2c-1/src/libf2c/h_indx.o
f2c-1/src/libf2c/h_dim.o
f2c-1/src/libf2c/lread.c
f2c-1/src/libf2c/xwsne.c
f2c-1/src/libf2c/r_sqrt.c
f2c-1/src/libf2c/ilnw.c
f2c-1/src/libf2c/fio.h
f2c-1/src/libf2c/erfc_.c
f2c-1/src/libf2c/erf_.o
f2c-1/src/libf2c/d_int.o
f2c-1/src/libf2c/h_indx.c
f2c-1/src/libf2c/z_cos.o
f2c-1/src/libf2c/s_cat.o
f2c-1/src/libf2c/z_exp.o
f2c-1/src/libf2c/d_nint.c
f2c-1/src/libf2c/hl_lt.c
f2c-1/src/libf2c/f77vers.c
f2c-1/src/libf2c/z_cos.c
f2c-1/src/libf2c/pow_dd.c
f2c-1/src/libf2c/close.c
f2c-1/src/libf2c/getenv_.o
f2c-1/src/libf2c/r_acos.o
f2c-1/src/libf2c/h_abs.c
f2c-1/src/libf2c/typesize.c
f2c-1/src/libf2c/close.o
f2c-1/src/libf2c/r_abs.o
f2c-1/src/libf2c/r_int.o
f2c-1/src/libf2c/i_dnnt.c
f2c-1/src/libf2c/pow_zz.o
f2c-1/src/libf2c/d_dim.c
f2c-1/src/libf2c/i_dim.o
f2c-1/src/libf2c/makefile.wat
f2c-1/src/libf2c/r_tan.c
f2c-1/src/libf2c/d_sign.o
f2c-1/src/libf2c/f77_aloc.c
f2c-1/src/libf2c/z_sqrt.o
f2c-1/src/libf2c/signal1.h
f2c-1/src/libf2c/i_mod.c
f2c-1/src/libf2c/l_le.c
f2c-1/src/libf2c/rewind.c
f2c-1/src/libf2c/backspac.o
f2c-1/src/libf2c/d_tanh.o
f2c-1/src/libf2c/r_dim.c
f2c-1/src/libf2c/d_atan.o
f2c-1/src/libf2c/f77vers.o
f2c-1/src/libf2c/open.c
f2c-1/src/libf2c/dolio.c
f2c-1/src/libf2c/libf2c.lbc
f2c-1/src/libf2c/d_atn2.c
f2c-1/src/libf2c/d_tan.o
f2c-1/src/libf2c/pow_ci.o
f2c-1/src/libf2c/d_cos.o
f2c-1/src/libf2c/l_ge.c
f2c-1/src/libf2c/derf_.c
f2c-1/src/libf2c/h_mod.c
f2c-1/src/libf2c/abort_.c
f2c-1/src/libf2c/wsfe.c
f2c-1/src/libf2c/r_tanh.o
f2c-1/src/libf2c/d_acos.c
f2c-1/src/libf2c/endfile.o
f2c-1/src/libf2c/fmt.c
f2c-1/src/libf2c/main.o
f2c-1/src/libf2c/f2c.h
f2c-1/src/libf2c/r_cosh.c
f2c-1/src/libf2c/r_atan.c
f2c-1/src/libf2c/getarg_.o
f2c-1/src/libf2c/d_cos.c
f2c-1/src/libf2c/d_exp.c
f2c-1/src/libf2c/wsle.c
f2c-1/src/libf2c/hl_le.c
f2c-1/src/libf2c/c_sqrt.o
f2c-1/src/libf2c/s_rnge.c
f2c-1/src/libf2c/pow_ci.c
f2c-1/src/libf2c/c_div.c
f2c-1/src/libf2c/r_sinh.c
f2c-1/src/libf2c/util.c
f2c-1/src/f2c/
f2c-1/src/f2c/pccdefs.h
f2c-1/src/f2c/names.h
f2c-1/src/f2c/exec.c
f2c-1/src/f2c/makefile
f2c-1/src/f2c/Notice
f2c-1/src/f2c/defs.h
f2c-1/src/f2c/f2c.1
f2c-1/src/f2c/gram.expr
f2c-1/src/f2c/misc.c
f2c-1/src/f2c/README
f2c-1/src/f2c/gram.dcl
f2c-1/src/f2c/formatdata.c
f2c-1/src/f2c/tokens
f2c-1/src/f2c/proc.c
f2c-1/src/f2c/gram.c
f2c-1/src/f2c/cds.c
f2c-1/src/f2c/lex.c
f2c-1/src/f2c/intr.c
f2c-1/src/f2c/gram.head
f2c-1/src/f2c/format.h
f2c-1/src/f2c/p1defs.h
f2c-1/src/f2c/init.c
f2c-1/src/f2c/xsum.c
f2c-1/src/f2c/data.c
f2c-1/src/f2c/error.c
f2c-1/src/f2c/f2c.1t
f2c-1/src/f2c/ftypes.h
f2c-1/src/f2c/equiv.c
f2c-1/src/f2c/xsum.out
f2c-1/src/f2c/xsum
f2c-1/src/f2c/sysdep.h
f2c-1/src/f2c/xsum0.out
f2c-1/src/f2c/vax.c
f2c-1/src/f2c/put.c
f2c-1/src/f2c/main.c
f2c-1/src/f2c/niceprintf.c
f2c-1/src/f2c/putpcc.c
f2c-1/src/f2c/output.h
f2c-1/src/f2c/p1output.c
f2c-1/src/f2c/iob.h
f2c-1/src/f2c/mem.c
f2c-1/src/f2c/niceprintf.h
f2c-1/src/f2c/gram.io
f2c-1/src/f2c/machdefs.h
f2c-1/src/f2c/expr.c
f2c-1/src/f2c/malloc.c
f2c-1/src/f2c/version.c
f2c-1/src/f2c/memset.c
f2c-1/src/f2c/output.c
f2c-1/src/f2c/usignal.h
f2c-1/src/f2c/format.c
f2c-1/src/f2c/parse_args.c
f2c-1/src/f2c/f2c.h
f2c-1/src/f2c/gram.exec
f2c-1/src/f2c/io.c
f2c-1/src/f2c/defines.h
f2c-1/src/f2c/names.c
f2c-1/src/f2c/parse.h
f2c-1/src/f2c/pread.c
f2c-1/src/f2c/sysdep.c
Finished extraction
****************************************************
Host system
uname -a:
Linux cleopatra 2.6.20.14 #1 Thu Jun 14 12:45:30 ART 2007 i686 AMD
Duron(tm) AuthenticAMD GNU/Linux
****************************************************
****************************************************
GCC Version
gcc -v
Usando especificaciones internas.
Objetivo: i686-pc-linux-gnu
Configurado con:
/var/tmp/portage/sys-devel/gcc-4.1.2/work/gcc-4.1.2/configure
--prefix=/usr --bindir=/usr/i686-pc-linux-gnu/gcc-bin/4.1.2
--includedir=/usr/lib/gcc/i686-pc-linux-gnu/4.1.2/include
--datadir=/usr/share/gcc-data/i686-pc-linux-gnu/4.1.2
--mandir=/usr/share/gcc-data/i686-pc-linux-gnu/4.1.2/man
--infodir=/usr/share/gcc-data/i686-pc-linux-gnu/4.1.2/info
--with-gxx-include-dir=/usr/lib/gcc/i686-pc-linux-gnu/4.1.2/include/g++-v4
--host=i686-pc-linux-gnu --build=i686-pc-linux-gnu --disable-altivec
--enable-nls --without-included-gettext --with-system-zlib
--disable-checking --disable-werror --enable-secureplt
--disable-libunwind-exceptions --disable-multilib --enable-libmudflap
--disable-libssp --enable-java-awt=gtk
--enable-languages=c,c++,java,fortran --enable-shared
--enable-threads=posix --enable-__cxa_atexit --enable-clocale=gnu
Modelo de hilos: posix
gcc versiĆ³n 4.1.2 (Gentoo 4.1.2)
****************************************************
make[2]: se ingresa al directorio
`/hdc1/pablo.hdc1/sage/sage/spkg/build/f2c-1/src/libf2c'
cc -c -DSkip_f2c_Undefs -O -fPIC err.c
ld -r -o err.xxx err.o
mv err.xxx err.o
cc -c -DSkip_f2c_Undefs -O -fPIC fmt.c
ld -r -o fmt.xxx fmt.o
mv fmt.xxx fmt.o
cc -c -DSkip_f2c_Undefs -O -fPIC fmtlib.c
ld -r -o fmtlib.xxx fmtlib.o
mv fmtlib.xxx fmtlib.o
cc -c -DSkip_f2c_Undefs -O -fPIC ftell_.c
ld -r -o ftell_.xxx ftell_.o
mv ftell_.xxx ftell_.o
cc -c -DSkip_f2c_Undefs -O -fPIC iio.c
ld -r -o iio.xxx iio.o
mv iio.xxx iio.o
cc -c -DSkip_f2c_Undefs -O -fPIC ilnw.c
ld -r -o ilnw.xxx ilnw.o
mv ilnw.xxx ilnw.o
cc -c -DSkip_f2c_Undefs -O -fPIC inquire.c
ld -r -o inquire.xxx inquire.o
mv inquire.xxx inquire.o
cc -c -DSkip_f2c_Undefs -O -fPIC lread.c
ld -r -o lread.xxx lread.o
mv lread.xxx lread.o
cc -c -DSkip_f2c_Undefs -O -fPIC lwrite.c
ld -r -o lwrite.xxx lwrite.o
mv lwrite.xxx lwrite.o
cc -c -DSkip_f2c_Undefs -O -fPIC open.c
ld -r -o open.xxx open.o
mv open.xxx open.o
cc -c -DSkip_f2c_Undefs -O -fPIC rdfmt.c
ld -r -o rdfmt.xxx rdfmt.o
mv rdfmt.xxx rdfmt.o
cc -c -DSkip_f2c_Undefs -O -fPIC rewind.c
ld -r -o rewind.xxx rewind.o
mv rewind.xxx rewind.o
cc -c -DSkip_f2c_Undefs -O -fPIC rsfe.c
ld -r -o rsfe.xxx rsfe.o
mv rsfe.xxx rsfe.o
cc -c -DSkip_f2c_Undefs -O -fPIC rsli.c
ld -r -o rsli.xxx rsli.o
mv rsli.xxx rsli.o
cc -c -DSkip_f2c_Undefs -O -fPIC rsne.c
ld -r -o rsne.xxx rsne.o
mv rsne.xxx rsne.o
cc -c -DSkip_f2c_Undefs -O -fPIC sfe.c
ld -r -o sfe.xxx sfe.o
mv sfe.xxx sfe.o
cc -c -DSkip_f2c_Undefs -O -fPIC sue.c
ld -r -o sue.xxx sue.o
mv sue.xxx sue.o
cc -c -DSkip_f2c_Undefs -O -fPIC typesize.c
ld -r -o typesize.xxx typesize.o
mv typesize.xxx typesize.o
cc -c -DSkip_f2c_Undefs -O -fPIC uio.c
ld -r -o uio.xxx uio.o
mv uio.xxx uio.o
cc -c -DSkip_f2c_Undefs -O -fPIC util.c
ld -r -o util.xxx util.o
mv util.xxx util.o
cc -c -DSkip_f2c_Undefs -O -fPIC wref.c
ld -r -o wref.xxx wref.o
mv wref.xxx wref.o
cc -c -DSkip_f2c_Undefs -O -fPIC wrtfmt.c
ld -r -o wrtfmt.xxx wrtfmt.o
mv wrtfmt.xxx wrtfmt.o
cc -c -DSkip_f2c_Undefs -O -fPIC wsfe.c
ld -r -o wsfe.xxx wsfe.o
mv wsfe.xxx wsfe.o
cc -c -DSkip_f2c_Undefs -O -fPIC wsle.c
ld -r -o wsle.xxx wsle.o
mv wsle.xxx wsle.o
cc -c -DSkip_f2c_Undefs -O -fPIC wsne.c
ld -r -o wsne.xxx wsne.o
mv wsne.xxx wsne.o
cc -c -DSkip_f2c_Undefs -O -fPIC xwsne.c
ld -r -o xwsne.xxx xwsne.o
mv xwsne.xxx xwsne.o
cc -c -DSkip_f2c_Undefs -O -fPIC dtime_.c
ld -r -o dtime_.xxx dtime_.o
mv dtime_.xxx dtime_.o
cc -c -DSkip_f2c_Undefs -O -fPIC etime_.c
ld -r -o etime_.xxx etime_.o
mv etime_.xxx etime_.o
ar r libf2c.a f77vers.o i77vers.o main.o s_rnge.o abort_.o exit_.o
getarg_.o iargc_.o getenv_.o signal_.o s_stop.o s_paus.o system_.o
cabs.o derf_.o derfc_.o erf_.o erfc_.o sig_die.o pow_ci.o pow_dd.o
pow_di.o pow_hh.o pow_ii.o pow_ri.o pow_zi.o pow_zz.o c_abs.o c_cos.o
c_div.o c_exp.o c_log.o c_sin.o c_sqrt.o z_abs.o z_cos.o z_div.o
z_exp.o z_log.o z_sin.o z_sqrt.o r_abs.o r_acos.o r_asin.o r_atan.o
r_atn2.o r_cnjg.o r_cos.o r_cosh.o r_dim.o r_exp.o r_imag.o r_int.o
r_lg10.o r_log.o r_mod.o r_nint.o r_sign.o r_sin.o r_sinh.o r_sqrt.o
r_tan.o r_tanh.o d_abs.o d_acos.o d_asin.o d_atan.o d_atn2.o d_cnjg.o
d_cos.o d_cosh.o d_dim.o d_exp.o d_imag.o d_int.o d_lg10.o d_log.o
d_mod.o d_nint.o d_prod.o d_sign.o d_sin.o d_sinh.o d_sqrt.o d_tan.o
d_tanh.o i_abs.o i_dim.o i_dnnt.o i_indx.o i_len.o i_mod.o i_nint.o
i_sign.o lbitbits.o lbitshft.o h_abs.o h_dim.o h_dnnt.o h_indx.o
h_len.o h_mod.o h_nint.o h_sign.o l_ge.o l_gt.o l_le.o l_lt.o hl_ge.o
hl_gt.o hl_le.o hl_lt.o ef1asc_.o ef1cmc_.o f77_aloc.o s_cat.o s_cmp.o
s_copy.o backspac.o close.o dfe.o dolio.o due.o endfile.o err.o fmt.o
fmtlib.o ftell_.o iio.o ilnw.o inquire.o lread.o lwrite.o open.o
rdfmt.o rewind.o rsfe.o rsli.o rsne.o sfe.o sue.o typesize.o uio.o
util.o wref.o wrtfmt.o wsfe.o wsle.o wsne.o xwsne.o dtime_.o etime_.o
ar: creando libf2c.a
ranlib libf2c.a
make[2]: se sale del directorio
`/hdc1/pablo.hdc1/sage/sage/spkg/build/f2c-1/src/libf2c'
Unable to find libgfortran.a.  Please install it in /usr/lib/libgfortran.a

real    0m8.418s
user    0m5.224s
sys     0m0.944s
sage: An error occured while installing f2c-1
Please email William Stein <[EMAIL PROTECTED]> explaining the
problem and send him the relevant part of
of /home/pablo/sage/install.log.  Don't send the whole thing.
If you want to try to fix the problem, yourself *don't* just cd to
/home/pablo/sage/spkg/build/f2c-1 and type 'make'.
Instead (using bash) type "source local/bin/sage-env" from the directory
/home/pablo/sage
in order to set all environment variables correctly, then cd to
/home/pablo/sage/spkg/build/f2c-1
make[1]: *** [installed/f2c-1] Error 1
make[1]: se sale del directorio `/hdc1/pablo.hdc1/sage/sage/spkg'

real    0m9.046s
user    0m5.724s
sys     0m1.052s

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