https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115628
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|undefined reference to |undefined reference to
|`__gcov_merge_add' |`__gcov_merge
Status|WAITING |RESOLVED
Resolution|--- |INVALID
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to sadineniharish8446 from comment #2)
> I was trying build source code coverage for gcc but while running the tests
> we are getting the following errors:
> crtstuff.c:(.text.exit+0x5): undefined reference to `__gcov_exit'^M
> collect2: error: ld returned 1 exit status^M
> compiler exited with status 1
> FAIL: g++.old-deja/g++.other/static13.C -std=c++98 (test for excess errors)
> Excess errors:
> /usr/bin/ld:
> /home/hsadineni/newgcc/gcc/build/gcc/testsuite/g++/../../crtbegin.o:(.
> data+0x80): undefined reference to `__gcov_merge_add'
> crtstuff.c:(.text.startup+0xa): undefined reference to `__gcov_init'
> crtstuff.c:(.text.exit+0x5): undefined reference to `__gcov_exit'
>
> Reproducible steps:
>
> ../configure --enable-languages=c++ --enable-coverage --disable-bootstrap
> --disable-multilib CFLAGS="-ftest-coverage -fprofile-arcs"
> CXXFLAGS="-ftest-coverage -fprofile-arcs " LDFLAGS="--coverage"
Yes this is not going to work as you are compiling libgcc with -ftest-coverage
which will almost never work.
you just need either --enable-coverage or --enable-coverage=opt .
