diff --git a/autogen.sh b/autogen.sh index f683d318..79cec4c2 100755 --- a/autogen.sh +++ b/autogen.sh @@ -54,6 +54,18 @@ fi echo "Generating build system..." ${LIBTOOLIZE} --install --copy --quiet || exit 1 aclocal ${ACLOCAL_DIR} || exit 1 + +# check the version of a specific autoconf macro that tends to cause problems +CXXMACROVERSION=$( + grep -B 5 'm4_define(\[_AX_CXX_COMPILE_STDCXX_11_testbody\]' aclocal.m4 | + sed -nr 's/.*serial[[:space:]]+([[:digit:]]+).*/\1/p' +) +if [ "$CXXMACROVERSION" -lt 4 ]; then + echo "error: the AX_CXX_COMPILE_STDCXX_11 macro on this system is too old." + echo "(found version $CXXMACROVERSION, at least 4 is required)" + exit 1 +fi + autoheader || exit 1 automake --add-missing --copy || exit 1 autoconf || exit 1