[PATCH 2/2] Avoid adding duplicated symbols into static libraries

[Siddhesh Poyarekar]

On 3/31/21 1:17 AM, Adhemerval Zanella wrote:
> This broke powerpc64le static math tests:
> 
> powerpc64le-linux-gnu]$ make math/tests
> [...]
> /home/azanella/toolchain/install/compilers/powerpc64le-linux-gnu/bin/powerpc64le-glibc-linux-gnu-gcc -nostdlib -nostartfiles -static -o /home/azanella/glibc/build/powerpc64le-linux-gnu/math/test-signgam-uchar-static     /home/azanella/glibc/build/powerpc64le-linux-gnu/csu/crt1.o /home/azanella/glibc/build/powerpc64le-linux-gnu/csu/crti.o `/home/azanella/toolchain/install/compilers/powerpc64le-linux-gnu/bin/powerpc64le-glibc-linux-gnu-gcc  --print-file-name=crtbeginT.o` /home/azanella/glibc/build/powerpc64le-linux-gnu/math/test-signgam-uchar-static.o /home/azanella/glibc/build/powerpc64le-linux-gnu/support/libsupport_nonshared.a /home/azanella/glibc/build/powerpc64le-linux-gnu/math/libm.a  -Wl,--start-group /home/azanella/glibc/build/powerpc64le-linux-gnu/libc.a -lgcc -lgcc_eh  -Wl,--end-group `/home/azanella/toolchain/install/compilers/powerpc64le-linux-gnu/bin/powerpc64le-glibc-linux-gnu-gcc  --print-file-name=crtend.o` /home/azanella/glibc/build/powerpc64le-linux-gnu/csu/crtn.o
> /home/azanella/toolchain/install/compilers/powerpc64le-linux-gnu/lib/gcc/powerpc64le-glibc-linux-gnu/10.2.1/../../../../powerpc64le-glibc-linux-gnu/bin/ld: /home/azanella/glibc/build/powerpc64le-linux-gnu/math/libm.a(e_logf128.o): in function `__ieee754_logf128_power8':
> /home/azanella/glibc/glibc-git/math/../sysdeps/ieee754/float128/../ldbl-128/e_logl.c:217: undefined reference to `__frexpf128_power8'
> /home/azanella/toolchain/install/compilers/powerpc64le-linux-gnu/lib/gcc/powerpc64le-glibc-linux-gnu/10.2.1/../../../../powerpc64le-glibc-linux-gnu/bin/ld: /home/azanella/glibc/build/powerpc64le-linux-gnu/math/libm.a(s_log1pf128.o): in function `__log1pf128_power8':
> /home/azanella/glibc/glibc-git/math/../sysdeps/ieee754/float128/../ldbl-128/s_log1pl.c:166: undefined reference to `__frexpf128_power8'
> collect2: error: ld returned 1 exit status
> make[2]: *** [../Rules:264: /home/azanella/glibc/build/powerpc64le-linux-gnu/math/test-signgam-uchar-static] Error 1

Sorry about that.  I'll revert the patch if I'm unable to post a fix by 
the end of the day.

Siddhesh