From 69c6a41ffb878ef98c9378ed4b1634a404cfaa7f Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 02:53:35 +0200 Subject: Adding upstream version 2.7.6. Signed-off-by: Daniel Baumann --- m4/ax_cc_clang.m4 | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 m4/ax_cc_clang.m4 (limited to 'm4/ax_cc_clang.m4') diff --git a/m4/ax_cc_clang.m4 b/m4/ax_cc_clang.m4 new file mode 100644 index 0000000..abf2991 --- /dev/null +++ b/m4/ax_cc_clang.m4 @@ -0,0 +1,18 @@ +dnl Check to see if the C compiler is clang and which version it is +dnl +AC_DEFUN([AX_CC_CLANG],[ + AC_REQUIRE([AC_PROG_CC]) + AC_MSG_CHECKING([whether C compiler is clang]) + CC_CLANG_VERSION=$( + $CC -x c -dM -E /dev/null | \ + $GREP '__clang_version__' | \ + $GREP -o '".*"' | \ + $SED 's/^"\(.*\)"$/\1/g' + ) + AC_SUBST([CC_CLANG_VERSION]) + if test -n "$CC_CLANG_VERSION"; then + AC_MSG_RESULT([$CC_CLANG_VERSION]) + else + AC_MSG_RESULT([no]) + fi + ]) -- cgit v1.2.3