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Re: Build issue using gcc 4.7.1


On 06/22/2012 12:43 AM, Daniel Schepler wrote:
When I try to build git master branch using gcc 4.7.1 on Debian
unstable amd64, I get:

gcc ../sysdeps/ieee754/dbl-64/wordsize-64/s_isnan.c -c -std=gnu99
-fgnu89-inline  -O2 -Wall -Winline -Wwrite-strings
-fmerge-all-constants -frounding-math -g -Wstrict-prototypes   -fPIC
  -Wno-uninitialized   -D__NO_MATH_INLINES
-D__LIBC_INTERNAL_MATH_INLINES -I../include
-I/home/lfs/sources/libc-build/math -I/home/lfs/sources/libc-build
-I../sysdeps/unix/sysv/linux/x86_64/64/nptl
-I../sysdeps/unix/sysv/linux/x86_64/64
-I../nptl/sysdeps/unix/sysv/linux/x86_64
-I../nptl/sysdeps/unix/sysv/linux/x86 -I../sysdeps/unix/sysv/linux/x86
-I../sysdeps/unix/sysv/linux/x86_64
-I../sysdeps/unix/sysv/linux/wordsize-64
-I../nptl/sysdeps/unix/sysv/linux -I../nptl/sysdeps/pthread
-I../sysdeps/pthread -I../sysdeps/unix/sysv/linux -I../sysdeps/gnu
-I../sysdeps/unix/inet -I../nptl/sysdeps/unix/sysv
-I../sysdeps/unix/sysv -I../sysdeps/unix/x86_64 -I../nptl/sysdeps/unix
-I../sysdeps/unix -I../sysdeps/posix -I../nptl/sysdeps/x86_64/64
-I../sysdeps/x86_64/64 -I../sysdeps/x86_64/fpu/multiarch
-I../sysdeps/x86_64/fpu -I../sysdeps/x86/fpu
-I../sysdeps/x86_64/multiarch -I../nptl/sysdeps/x86_64
-I../sysdeps/x86_64 -I../sysdeps/x86 -I../sysdeps/ieee754/ldbl-96
-I../sysdeps/ieee754/dbl-64/wordsize-64 -I../sysdeps/ieee754/dbl-64
-I../sysdeps/ieee754/flt-32 -I../sysdeps/wordsize-64
-I../sysdeps/ieee754 -I../sysdeps/generic -I../nptl  -I.. -I../libio
-I.  -D_LIBC_REENTRANT -include ../include/libc-symbols.h  -DPIC
-DSHARED     -o /home/lfs/sources/libc-build/math/s_isnan.os -MD -MP
-MF /home/lfs/sources/libc-build/math/s_isnan.os.dt -MT
/home/lfs/sources/libc-build/math/s_isnan.os
../sysdeps/ieee754/dbl-64/wordsize-64/s_isnan.c:30:1: error:
'__EI___isnan' aliased to external symbol '__GI___isnan'
make[2]: *** [/home/lfs/sources/libc-build/math/s_isnan.os] Error 1
make[2]: Leaving directory `/home/lfs/sources/glibc-2.16/math'
make[1]: *** [math/subdir_lib] Error 2
make[1]: Leaving directory `/home/lfs/sources/glibc-2.16'
make: *** [all] Error 2

Before I filed a bug, I wanted to check if this was a known issue.  I
couldn't find anything mentioning that error message in a quick search
on Bugzilla.

It's not a known issue. could you add the preprocessed source file to the bugreport, please? Just run the above gcc command from the math source dir with -save-temps and attach the .i file.


Btw. I'm building with GCC 4.7.1 fine on openSUSE and don't see this,

Andreas
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