Hi Nick! Buildrobot found this: libtool: link: gcc -W -Wall -Wstrict-prototypes -Wmissing-prototypes -Wshadow -Werror -g -O2 -o addr2line addr2line.o bucomm.o version.o filemode.o ../bfd/.libs/libbfd.a ../libiberty/libiberty.a -lz gcc -DHAVE_CONFIG_H -I. -I/home/jbglaw/repos/binutils/binutils -I. -I/home/jbglaw/repos/binutils/binutils -I../bfd -I/home/jbglaw/repos/binutils/binutils/../bfd -I/home/jbglaw/repos/binutils/binutils/../include -DLOCALEDIR="\"/home/jbglaw/build/mipsel-linux/_install_/share/locale\"" -Dbin_dummy_emulation=bin_vanilla_emulation -W -Wall -Wstrict-prototypes -Wmissing-prototypes -Wshadow -Werror -g -O2 -MT readelf.o -MD -MP -MF .deps/readelf.Tpo -c -o readelf.o /home/jbglaw/repos/binutils/binutils/readelf.c cc1: warnings being treated as errors /home/jbglaw/repos/binutils/binutils/readelf.c: In function ‘decode_arm_unwind’: /home/jbglaw/repos/binutils/binutils/readelf.c:7173: error: missing initializer /home/jbglaw/repos/binutils/binutils/readelf.c:7173: error: (near initialization for ‘addr.offset’) make[3]: *** [readelf.o] Error 1 5803 struct absaddr 5804 { 5805 unsigned short section; 5806 bfd_vma offset; 5807 }; [...] 7173 struct absaddr addr = { 0 }; I don't really see why GCC complains about it (and not init's `offset' with 0, although you probably wanted to init offset instead of section.) And it's only GCCs on some of the builders, not on all. See http://toolchain.lug-owl.de/buildbot/timeline.php : gcc110: no complains:gcc (GCC) 4.7.2 20121109 (Red Hat 4.7.2-8) pluto: no complains:gcc (Debian 4.8.1-7) 4.8.1 gccbuild:no complains:gcc (Debian 4.8.1-7) 4.8.1 darkeye: no complains:gcc (Debian 4.8.1-7) 4.8.1 gcc15: complains: gcc (Debian 4.4.5-8) 4.4.5 gcc76: complains: gcc (Debian 4.4.5-8) 4.4.5 Looks like a compiler bug to me, uncovered by the recent partial initialization of `addr'. Is it actually needed? `addr' is fully initialized in get_unwind_section_word(). So I guess removing the (incomplete) initializer isn't wrong and would remove the build failure? Untested: 2013-10-14 Jan-Benedict Glaw binutils/ * readelf.c (decode_arm_unwind): Don't initialize `addr'. diff --git a/binutils/readelf.c b/binutils/readelf.c index 32e0cf0..2156b78 100644 --- a/binutils/readelf.c +++ b/binutils/readelf.c @@ -7170,7 +7170,7 @@ decode_arm_unwind (struct arm_unw_aux_info * aux, { int per_index; unsigned int more_words = 0; - struct absaddr addr = { 0 }; + struct absaddr addr; bfd_vma sym_name = (bfd_vma) -1; if (remaining == 0) MfG, JBG -- Jan-Benedict Glaw jbglaw@lug-owl.de +49-172-7608481 Signature of: Friends are relatives you make for yourself. the second :