https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61314
Bug ID: 61314
Summary: Building GCC 4.9.0 breaks in libbacktrace on Ubuntu
Lucid Lynx
Product: gcc
Version: 4.9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: sanitizer
Assignee: unassigned at gcc dot gnu.org
Reporter: gk at torproject dot org
CC: dodji at gcc dot gnu.org, dvyukov at gcc dot gnu.org,
jakub at gcc dot gnu.org, kcc at gcc dot gnu.org
When building gcc 4.9.0 on Ubuntu Lucid the build breaks with the following
error:
/bin/bash ./libtool --tag=CC --mode=compile gcc -DHAVE_CONFIG_H -I.
-I../gcc-4.9.0/libbacktrace -I ../gcc-4.9.0/libbacktrace/../include -I
../gcc-4.9.0/libbacktrace/../libgcc -I ../libgcc -funwind-tables
-frandom-seed=dwarf.lo -W -Wall -Wwrite-strings -Wstrict-prototypes
-Wmissing-prototypes -Wold-style-definition -Wmissing-format-attribute
-Wcast-qual -g -O2 -c -o dwarf.lo ../gcc-4.9.0/libbacktrace/dwarf.c
libtool: compile: gcc -DHAVE_CONFIG_H -I. -I../gcc-4.9.0/libbacktrace -I
../gcc-4.9.0/libbacktrace/../include -I ../gcc-4.9.0/libbacktrace/../libgcc -I
../libgcc -funwind-tables -frandom-seed=dwarf.lo -W -Wall -Wwrite-strings
-Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition
-Wmissing-format-attribute -Wcast-qual -g -O2 -c
../gcc-4.9.0/libbacktrace/dwarf.c -o dwarf.o
../gcc-4.9.0/libbacktrace/dwarf.c: In function 'dwarf_lookup_pc':
../gcc-4.9.0/libbacktrace/dwarf.c:2678: warning: implicit declaration of
function '__atomic_load_n'
../gcc-4.9.0/libbacktrace/dwarf.c:2678: error: '__ATOMIC_ACQUIRE' undeclared
(first use in this function)
../gcc-4.9.0/libbacktrace/dwarf.c:2678: error: (Each undeclared identifier is
reported only once
../gcc-4.9.0/libbacktrace/dwarf.c:2678: error: for each function it appears
in.)
../gcc-4.9.0/libbacktrace/dwarf.c:2738: warning: implicit declaration of
function '__atomic_store_n'
../gcc-4.9.0/libbacktrace/dwarf.c:2738: error: '__ATOMIC_RELEASE' undeclared
(first use in this function)
../gcc-4.9.0/libbacktrace/dwarf.c: In function 'dwarf_fileline':
../gcc-4.9.0/libbacktrace/dwarf.c:2873: error: '__ATOMIC_ACQUIRE' undeclared
(first use in this function)
../gcc-4.9.0/libbacktrace/dwarf.c: In function 'backtrace_dwarf_add':
../gcc-4.9.0/libbacktrace/dwarf.c:3006: error: '__ATOMIC_ACQUIRE' undeclared
(first use in this function)
make[2]: Leaving directory `/home/ubuntu/build/gcc/libbacktrace'
make[2]: *** [dwarf.lo] Error 1
It works fine on Ubuntu Precise. The gcc version on Lucid is 4.4.3 and on
Precise 4.6.3. I configured the 4.9.0 build with --prefix=path/to/my/dir
--disable-multilib --enable-languages=c,c++
