This is the mail archive of the
binutils@sourceware.org
mailing list for the binutils project.
Build problems with GIT version: ../bfd/bfd.h:304:75: error: right-hand operand of comma expression has no effect
- From: Tobias Burnus <tobias dot burnus at physik dot fu-berlin dot de>
- To: binutils at sourceware dot org
- Date: Tue, 28 Jan 2014 09:25:17 +0100
- Subject: Build problems with GIT version: ../bfd/bfd.h:304:75: error: right-hand operand of comma expression has no effect
- Authentication-results: sourceware.org; auth=none
Hi all,
building the GIT version of binutils-gdb using GCC 4.9 fails as follows; it worked recently,
albeit with a slightly older GCC 4.9.
The failure is:
make[4]: Entering directory `/data/local_users/tobiasb/gdb/binutils-gdb/build/gas'
gcc -DHAVE_CONFIG_H -I. -I../../gas -I. -I../../gas -I../bfd -I../../gas/config -I../../gas/../include -I../../gas/.. -I../../gas/../DIR="\"/data/local_users/tobiasb/gdb/gdb-inst/share/locale\"" -W -Wall -Wstrict-prototypes -Wmissing-prototypes -Wshadow -Werror -g -gs.o -MD -MP -MF .deps/subsegs.Tpo -c -o subsegs.o ../../gas/subsegs.c
In file included from ../../gas/as.h:95:0,
from ../../gas/subsegs.c:25:
../../gas/subsegs.c: In function 'subseg_change':
../bfd/bfd.h:304:75: error: right-hand operand of comma expression has no effect [-Werror=unused-value]
#define bfd_set_section_userdata(bfd, ptr, val) (((ptr)->userdata = (val)),TRUE)
^
../../gas/subsegs.c:70:7: note: in expansion of macro 'bfd_set_section_userdata'
bfd_set_section_userdata (stdoutput, seg, seginfo);
^
../../gas/subsegs.c: In function 'subseg_get':
../bfd/bfd.h:304:75: error: right-hand operand of comma expression has no effect [-Werror=unused-value]
#define bfd_set_section_userdata(bfd, ptr, val) (((ptr)->userdata = (val)),TRUE)
^
../../gas/subsegs.c:172:7: note: in expansion of macro 'bfd_set_section_userdata'
bfd_set_section_userdata (stdoutput, secptr, seginfo);
^
cc1: all warnings being treated as errors
Tobias