Use %ifdef in sysdeps/unix/sysv/linux/powerpc/powerpc64/shlib-versions

  On Tue, 9 Sep 2014, Roland McGrath wrote:

> > +/* The PowerPC64 ELFv2 ABI is being used.
> > +#undef HAVE_ELFV2_ABI
> 
> Unterminated comment.
> 
> Otherwise seems OK to me.

Thanks, here's a version with that corrected for convenience in testing.
  

On 09-09-2014 18:55, Joseph S. Myers wrote:
> On Tue, 9 Sep 2014, Roland McGrath wrote:
>
>>> +/* The PowerPC64 ELFv2 ABI is being used.
>>> +#undef HAVE_ELFV2_ABI
>> Unterminated comment.
>>
>> Otherwise seems OK to me.
> Thanks, here's a version with that corrected for convenience in testing.

Checked on powerpc64 and powerpc64le, thanks.

>
> diff --git a/config.h.in b/config.h.in
> index 7da1a9f..ed26221 100644
> --- a/config.h.in
> +++ b/config.h.in
> @@ -257,4 +257,7 @@
>  /* Define if using the IEEE 754-2008 NaN encoding on the MIPS target.  */
>  #undef HAVE_MIPS_NAN2008
>
> +/* The PowerPC64 ELFv2 ABI is being used.  */
> +#undef HAVE_ELFV2_ABI
> +
>  #endif
> diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/configure b/sysdeps/unix/sysv/linux/powerpc/powerpc64/configure
> index aa1302a..eb46415 100644
> --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/configure
> +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/configure
> @@ -173,6 +173,9 @@ $as_echo "$libc_cv_ppc64_elfv2_abi" >&6; }
>  if test $libc_cv_ppc64_elfv2_abi = yes; then
>    config_vars="$config_vars
>  default-abi = 64-v2"
> +  # For shlib-versions.
> +  $as_echo "#define HAVE_ELFV2_ABI 1" >>confdefs.h
> +
>  else
>    config_vars="$config_vars
>  default-abi = 64-v1"
> diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/configure.ac b/sysdeps/unix/sysv/linux/powerpc/powerpc64/configure.ac
> index de04689..0822915 100644
> --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/configure.ac
> +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/configure.ac
> @@ -12,6 +12,8 @@ AC_CACHE_CHECK([whether the compiler is using the PowerPC64 ELFv2 ABI],
>    ], libc_cv_ppc64_elfv2_abi=yes, libc_cv_ppc64_elfv2_abi=no)])
>  if test $libc_cv_ppc64_elfv2_abi = yes; then
>    LIBC_CONFIG_VAR([default-abi], [64-v2])
> +  # For shlib-versions.
> +  AC_DEFINE(HAVE_ELFV2_ABI)
>  else
>    LIBC_CONFIG_VAR([default-abi], [64-v1])
>    # Compiler that do not support ELFv2 ABI does not define _CALL_ELF
> diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/shlib-versions b/sysdeps/unix/sysv/linux/powerpc/powerpc64/shlib-versions
> index f648023..1febda4 100644
> --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/shlib-versions
> +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/shlib-versions
> @@ -1,4 +1,7 @@
> -powerpc64-.*-linux.*	DEFAULT			GLIBC_2.3
> +%ifdef HAVE_ELFV2_ABI
>  powerpc.*le-.*-linux.*	DEFAULT			GLIBC_2.17
> -powerpc64-.*-linux.*	libpthread=0		GLIBC_2.3
>  powerpc.*le-.*-linux.*	libpthread=0		GLIBC_2.17
> +%else
> +powerpc64-.*-linux.*	DEFAULT			GLIBC_2.3
> +powerpc64-.*-linux.*	libpthread=0		GLIBC_2.3
> +%endif
>