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.

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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