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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:36:22 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:36:22 +0000 |
| commit | b88bb292821fd7742604ec4e280acebd9a049f62 (patch) | |
| tree | 625e4e19e6619f7481e5a8103f876520950769f6 /m4/ax_cc_clang.m4 | |
| parent | Initial commit. (diff) | |
| download | knot-b88bb292821fd7742604ec4e280acebd9a049f62.tar.xz knot-b88bb292821fd7742604ec4e280acebd9a049f62.zip | |
Adding upstream version 3.0.5.upstream/3.0.5upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'm4/ax_cc_clang.m4')
| -rw-r--r-- | m4/ax_cc_clang.m4 | 18 |
1 files changed, 18 insertions, 0 deletions
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 + ]) |