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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-09-05 13:14:37 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-09-05 13:14:37 +0000 |
| commit | fd3b2704efc2b206784615c1a23eb25501842259 (patch) | |
| tree | 61ba3a8af2a0ae2ac9ec362bbf18b038f5dc0448 /m4/clang.m4 | |
| parent | Initial commit. (diff) | |
| download | flac-fd3b2704efc2b206784615c1a23eb25501842259.tar.xz flac-fd3b2704efc2b206784615c1a23eb25501842259.zip | |
Adding upstream version 1.4.3+ds.upstream/1.4.3+dsupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'm4/clang.m4')
| -rw-r--r-- | m4/clang.m4 | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/m4/clang.m4 b/m4/clang.m4 new file mode 100644 index 0000000..11326a4 --- /dev/null +++ b/m4/clang.m4 @@ -0,0 +1,28 @@ +dnl @synopsis XIPH_C_COMPILER_IS_CLANG +dnl +dnl Find out if a compiler claiming to be gcc really is gcc (clang lies). +dnl @version 1.0 Oct 31 2013 +dnl @author Erik de Castro Lopo <erikd AT mega-nerd DOT com> +dnl +dnl Permission to use, copy, modify, distribute, and sell this file for any +dnl purpose is hereby granted without fee, provided that the above copyright +dnl and this permission notice appear in all copies. No representations are +dnl made about the suitability of this software for any purpose. It is +dnl provided "as is" without express or implied warranty. +dnl + + +AC_DEFUN([XIPH_C_COMPILER_IS_CLANG], +[AC_CACHE_CHECK(whether we are using the CLANG C compiler, + xiph_cv_c_compiler_clang, + [ AC_LANG_ASSERT(C) + AC_LINK_IFELSE([AC_LANG_PROGRAM([[ + #include <stdio.h> + ]], [[ + #ifndef __clang__ + This is not clang! + #endif + ]])],[xiph_cv_c_compiler_clang=yes],[xiph_cv_c_compiler_clang=no + ])] + )] +) |