On Mon, Jul 27 2020, Đoàn Trần Công Danh wrote:

> We'll need to run the compiled binary to report our current version.
>
> With the same code base, we should have the same version information
> regardless of compiler and architecture.
>
> Let's use the compiler for building architecture to build the reporting
> binary. Which is usually reported under variable CC_FOR_BUILD,
> a convention established by GNU Autotools, and fall back to CC if it's
> not defined.

We'd probably need to change quite a few other compiled and run binaries
in configure... otherwise this would be incomplete change (and thus just
adds confusion ?)

>
> Signed-off-by: Đoàn Trần Công Danh <congdanhqx@gmail.com>
> ---
>  configure | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/configure b/configure
> index 98f5f1ea..db3538b3 100755
> --- a/configure
> +++ b/configure
> @@ -85,8 +85,10 @@ fi
>  BASHCMD=${BASHCMD:-bash}
>  PERL=${PERL:-perl}
>  CC=${CC:-cc}
> +CC_FOR_BUILD=${CC_FOR_BUILD:-$CC}
>  CXX=${CXX:-c++}
>  CFLAGS=${CFLAGS:--g -O2}
> +CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD:-$CFLAGS}
>  CPPFLAGS=${CPPFLAGS:-}
>  CXXFLAGS_for_sh=${CXXFLAGS:-${CFLAGS}}
>  CXXFLAGS=${CXXFLAGS:-\$(CFLAGS)}
> @@ -410,7 +412,7 @@ int main(void) {
>      return 0;
>  }
>  EOF
> -if ${CC} ${CFLAGS} -I"$srcdir" _libversion.c -o _libversion > /dev/null 2>&1 \
> +if ${CC_FOR_BUILD} ${CFLAGS_FOR_BUILD} -I"$srcdir" _libversion.c -o _libversion > /dev/null 2>&1 \
>         && ./_libversion > _libversion.sh && . ./_libversion.sh
>  then
>      printf "OK.\n"
> -- 
> 2.28.0.rc2.21.g5c06d60fc5
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