Jeff Law via Gcc-patches <gcc-patches@gcc.gnu.org> writes: > I've been getting sporatic errors like this since the introduction of > the modula-2 front-end: > >> In file included from ../../..//gcc/gcc/m2/mc-boot/GSFIO.c:29: >> ../../..//gcc/gcc/system.h:556:20: error: conflicting declaration of C >> function 'const char* strsignal(int)' >> 556 | extern const char *strsignal (int); >> | ^~~~~~~~~ >> In file included from /usr/include/c++/12/cstring:42, >> from ../../..//gcc/gcc/system.h:241: >> /usr/include/string.h:478:14: note: previous declaration 'char* >> strsignal(int)' >> 478 | extern char *strsignal (int __sig) __THROW; >> | ^~~~~~~~~ >> In file included from ../../..//gcc/gcc/system.h:707: >> ../../..//gcc/gcc/../include/libiberty.h:112:14: error: ambiguating new >> declaration of 'char* basename(const char*)' >> 112 | extern char *basename (const char *) ATTRIBUTE_RETURNS_NONNULL >> ATTRIBUTE_NONNULL(1); >> | ^~~~~~~~ >> /usr/include/string.h:524:26: note: old declaration 'const char* >> basename(const char*)' >> 524 | extern "C++" const char *basename (const char *__filename) >> | ^~~~~~~~ >> make[1]: *** [../../..//gcc/gcc/m2/Make-lang.in:1364: m2/mc-boot/GSFIO.o] >> Error 1 > > > They seem to come and go without rhyme or reason. For example build > #1885 on lm32-elf failed, while #1884 passed. > > Aside from the fact that I coonfigure with --enable-languages=c,c++ > and yet modula-2 stuff still gets built (can that be fixed?) it seems > like we're missing dependencies to ensure that the generated config.h > file is made before building the modula-2 stuff. > > In a good build you'll see something like this: > > config.status: creating auto-host.h > [ ... ] > Build GSFIO.o: > g++ -g -c -I. -I../../..//gcc/gcc/m2/mc-boot-ch > -I../../..//gcc/gcc/m2/mc-boot -I../../..//gcc/gcc/../include > -I../../..//gcc/gcc -I. -Im2/mc-boot -I../../..//gcc/gcc > -I../../..//gcc/gcc/m2/mc-boot -I../../..//gcc/gcc/../include > -I../../..//gcc/gcc/../libcpp/include -I../../..//gcc/gcc/../libcody > -I../../..//gcc/gcc/../libdecnumber > -I../../..//gcc/gcc/../libdecnumber/dpd -I../libdecnumber > -I../../..//gcc/gcc/../libbacktrace > ../../..//gcc/gcc/m2/mc-boot/GSFIO.c -o m2/mc-boot/GSFIO.o > > Which naturally works just fine. > > In a bad build, auto-host.h is _not_ created before trying to build GSFIO.o. > > Can you please take care of this. It's rather annoying to have builds > failing in the continuous testing system like this, particularly when > modula-2 isn't even enabled. > > Jeff
Hi Jeff, many apologies for the breakage - I've now added the Makefile dependencies. I've also regenerated the m2 configure scripts regards, Gaius
