Re: Problem building Optimized glibc-2.2 with gcc-3.1

[Andreas Jaeger]

David Ronis <address@hidden> writes:

> Hi Andreas,
>
> Sorry for sending this back to bug-glibc, but I had a mailer problem
> last night and lost the older copies of our email.  I got the
> 2-2-branch as you suggested, and configued using gcc version 3.1
> 20020422 (prerelease) and CFLAGS:
>
> -O3 -falign-functions=3 -falign-jumps=3 -falign-loops=3
> -funroll-loops -march=i686 -mpreferred-stack-boundary=3
> -fomit-frame-pointer
>
> The build was uneventful, but make check still gives more than the two
> test-float and test-ifloat errors you said were expected.  In
> particular, the one arising from tst-regex is similar to one I had
> with my attempt several months ago; when I did a make install, many
> programs (e.g., grep) no longer worked.  I'm willing to try installing
> again, but figured to check with you first.

> Here's the log of errors.
>
> David
>
>
> GCONV_PATH=../iconvdata LC_ALL=C   ../elf/ld-linux.so.2 --library-path 
> ..:.:../elf:../dlfcn:../nss:../nis:../rt:../resolv:../crypt:../linuxthreads 
> ./test-float  > test-float.out
> make[1]: *** [test-float.out] Error 1
> GCONV_PATH=../iconvdata LC_ALL=C   ../elf/ld-linux.so.2 --library-path 
> ..:.:../elf:../dlfcn:../nss:../nis:../rt:../resolv:../crypt:../linuxthreads 
> ./test-ifloat  > test-ifloat.out
> make[1]: *** [test-ifloat.out] Error 1
> GCONV_PATH=../iconvdata LC_ALL=C   ../elf/ld-linux.so.2 --library-path 
> ..:.:../elf:../dlfcn:../nss:../nis:../rt:../resolv:../crypt:../linuxthreads 
> ./test-idouble  > test-idouble.out
> make[1]: Target `tests' not remade because of errors.
> make[1]: Leaving directory `/home/ronis/Project/notar/libc/math'
> make: *** [math/tests] Error 2
>
> gcc tst-regex.c -c -O3 -Wall -Winline -Wstrict-prototypes -Wwrite-strings 
> -falign-functions=3 -falign-jumps=3 -falign-loops=3 -funroll-loops 
> -march=i686 -mpreferred-stack-boundary=3  -fomit-frame-pointer    
> -I../include -I.  -I.. -I../libio  -I../sysdeps/i386/elf 
> -I../linuxthreads/sysdeps/unix/sysv/linux/i386 
> -I../linuxthreads/sysdeps/unix/sysv/linux -I../linuxthreads/sysdeps/pthread 
> -I../sysdeps/pthread -I../linuxthreads/sysdeps/unix/sysv 
> -I../linuxthreads/sysdeps/unix -I../linuxthreads/sysdeps/i386/i686 
> -I../linuxthreads/sysdeps/i386 -I../sysdeps/unix/sysv/linux/i386/i686 
> -I../sysdeps/unix/sysv/linux/i386 -I../sysdeps/unix/sysv/linux 
> -I../sysdeps/gnu -I../sysdeps/unix/common -I../sysdeps/unix/mman 
> -I../sysdeps/unix/inet -I../sysdeps/unix/sysv/i386 -I../sysdeps/unix/sysv 
> -I../sysdeps/unix/i386 -I../sysdeps/unix -I../sysdeps/posix 
> -I../sysdeps/i386/i686/fpu -I../sysdeps/i386/i686 -I../sysdeps/i386/i486 
> -I../sysdeps/i386/fpu -I../sysdeps/i386 -I../sysdeps/wordsize-32 
> -I../sysdeps/ieee754/ldbl-96 -I../sysdeps/ieee754/dbl-64 
> -I../sysdeps/ieee754/flt-32 -I../sysdeps/ieee754 -I../sysdeps/generic/elf 
> -I../sysdeps/generic   -D_LIBC_REENTRANT -include ../include/libc-symbols.h   
>   -o tst-regex.o
> In file included from ../include/regex.h:2,
>                  from tst-regex.c:36:
> ../posix/regex.h:535:1: warning: "__restrict_arr" redefined
> In file included from ../include/sys/cdefs.h:1,
>                  from ../include/features.h:283,
>                  from ../posix/spawn.h:23,
>                  from ../include/spawn.h:1,
>                  from tst-regex.c:19:
> ../misc/sys/cdefs.h:212:1: warning: this is the location of the previous 
> definition
> gcc -nostdlib -nostartfiles -o tst-regex  
> -Wl,-dynamic-linker=/lib/ld-linux.so.2   -Wl,-z,combreloc ../csu/crt1.o 
> ../csu/crti.o `gcc --print-file-name=crtbegin.o` tst-regex.o ../rt/librt.so  
> -Wl,-rpath-link=..:../math:../elf:../dlfcn:../nss:../nis:../rt:../resolv:../crypt:../linuxthreads
>  ../libc.so.6 ../libc_nonshared.a -lgcc `gcc --print-file-name=crtend.o` 
> ../csu/crtn.o
> GCONV_PATH=../iconvdata LC_ALL=C LOCPATH=../localedata  ../elf/ld-linux.so.2 
> --library-path 
> ..:../math:../elf:../dlfcn:../nss:../nis:../rt:../resolv:../crypt:../linuxthreads
>  ./tst-regex  > tst-regex.out
> make[1]: *** [tst-regex.out] Error 139

That looks like a miscompiliation of glibc.  I would not install this
glibc and instead try to figure out what went wrong.

> /tmp/cc5ZcXvR.o: In function `get_null_defines':
> /tmp/cc5ZcXvR.o(.text+0x1b2): the use of `tmpnam' is dangerous, better use 
> `mkstemp'
> ./annexc 'gcc' \
>              '-I../include -I.. -I../sysdeps/i386/elf 
> -I../linuxthreads/sysdeps/unix/sysv/linux/i386 
> -I../linuxthreads/sysdeps/unix/sysv/linux -I../linuxthreads/sysdeps/pthread 
> -I../sysdeps/pthread -I../linuxthreads/sysdeps/unix/sysv 
> -I../linuxthreads/sysdeps/unix -I../linuxthreads/sysdeps/i386/i686 
> -I../linuxthreads/sysdeps/i386 -I../sysdeps/unix/sysv/linux/i386/i686 
> -I../sysdeps/unix/sysv/linux/i386 -I../sysdeps/unix/sysv/linux 
> -I../sysdeps/gnu -I../sysdeps/unix/common -I../sysdeps/unix/mman 
> -I../sysdeps/unix/inet -I../sysdeps/unix/sysv/i386 -I../sysdeps/unix/sysv 
> -I../sysdeps/unix/i386 -I../sysdeps/unix -I../sysdeps/posix 
> -I../sysdeps/i386/i686/fpu -I../sysdeps/i386/i686 -I../sysdeps/i386/i486 
> -I../sysdeps/i386/fpu -I../sysdeps/i386 -I../sysdeps/wordsize-32 
> -I../sysdeps/ieee754/ldbl-96 -I../sysdeps/ieee754/dbl-64 
> -I../sysdeps/ieee754/flt-32 -I../sysdeps/ieee754 -I../sysdeps/generic/elf 
> -I../sysdeps/generic ' > annexc.out
> make[1]: [annexc.out] Error 1 (ignored)

This can really be ignored,

Andreas
-- 
 Andreas Jaeger
  SuSE Labs address@hidden
   private address@hidden
    http://www.suse.de/~aj