@@ -0,0 +1,11 @@
1+--- a/aclocal.m4
2++++ b/aclocal.m4
3+@@ -1285,7 +1285,7 @@ AC_CACHE_CHECK([version of gcc], [fp_cv_gcc_version],
4+ [
5+ # Be sure only to look at the first occurrence of the "version " string;
6+ # Some Apple compilers emit multiple messages containing this string.
7+- fp_cv_gcc_version="`$CC -v 2>&1 | sed -n -e '1,/version /s/.*version [[^0-9]]*\([[0-9.]]*\).*/\1/p'`"
8++ fp_cv_gcc_version="`$CC -v 2>&1 | sed -n -e '1,/version /s/.*version [[^0-9]]*\([[0-9.]]*\).*/\1/p' | head -n 1`"
9+ FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-lt], [4.4],
10+ [AC_MSG_ERROR([Need at least gcc version 4.4 (4.7+ recommended)])])
11+ FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-lt], [4.6], GccLT46=YES)