2015-04-23 12:53 GMT+03:00 Steven Noonan <ste...@uplinklabs.net>:
> This causes libmpx to fail the configure stage on my build hosts because
> 'xg++'
> was invoked with the bogus '-funconfigured-libstdc++-v3' flag, and the
> fallback
> preprocessor '/lib/cpp' did not exist on my systems.
>
> Since libmpx has no C++ code, requiring a C++ preprocessor and compiler at
> configure time doesn't make any sense. Simply remove the directives from
> configure.ac.
>
> I tested this change on my build environments and the libmpx configure
> failures
> I was seeing went away. Recommend this be applied to trunk and the gcc-5
> branch.
Thank you for the patch. I applied it to trunk and will apply to
gcc-5 branch later.
Ilya
>
> ChangeLog
>
> 2015-04-23 Steven Noonan <ste...@uplinklabs.net>
>
> * configure.ac: Drop AC_PROG_CXX and friends, since libmpx has no C++
> sources.
> * configure: Regenerate.
> ---
> libmpx/configure.ac | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/libmpx/configure.ac b/libmpx/configure.ac
> index 3f8b50f..463e855 100644
> --- a/libmpx/configure.ac
> +++ b/libmpx/configure.ac
> @@ -23,7 +23,6 @@ AC_MSG_RESULT($version_specific_libs)
> AC_CANONICAL_SYSTEM
> target_alias=${target_alias-$host_alias}
> AC_SUBST(target_alias)
> -GCC_LIBSTDCXX_RAW_CXX_FLAGS
>
> # See if supported.
> unset LIBMPX_SUPPORTED
> @@ -94,7 +93,6 @@ AC_SUBST(toolexeclibdir)
> m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS])
> m4_define([_AC_ARG_VAR_PRECIOUS],[])
> AC_PROG_CC
> -AC_PROG_CXX
> m4_rename_force([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])
>
> AM_PROG_CC_C_O
> --
> 2.3.6
>
