diff options
| author | Tor Lillqvist <tml@iki.fi> | 2012-03-02 14:07:25 +0200 |
|---|---|---|
| committer | Tor Lillqvist <tml@iki.fi> | 2012-03-02 15:42:25 +0200 |
| commit | fa65ff8b1d2f50fa7f14e92fa7bc3c5d6619831a (patch) | |
| tree | ef3ed977dd512cb2581a7959778c6126c34bf763 /configure.in | |
| parent | a871755e673fc83c92bf9731603d22004d0a3f2e (diff) | |
Check for Clang in configury and store and use result
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/configure.in b/configure.in index 3d3d7e982502..6e51f3507c28 100644 --- a/configure.in +++ b/configure.in @@ -2442,9 +2442,9 @@ if test "$_os" = "WINNT"; then fi dnl =================================================================== -dnl Test the gcc version, 3 is OK +dnl Test the gcc version dnl =================================================================== -if test \( "$_os" != "WINNT" -o "$WITH_MINGW" = "yes" \) -a "$GCC" = "yes"; then +if test "$GCC" = "yes"; then AC_MSG_CHECKING([the GNU C compiler version]) _gcc_version=`$CC -dumpversion` _gcc_major=`echo $_gcc_version | $AWK -F. '{ print \$1 }'` @@ -2465,10 +2465,27 @@ if test \( "$_os" != "WINNT" -o "$WITH_MINGW" = "yes" \) -a "$GCC" = "yes"; then AC_MSG_RESULT([implicitly using CC=$CC]) fi else - AC_MSG_RESULT([checked (gcc $_gcc_version)]) + AC_MSG_RESULT([gcc $_gcc_version]) fi fi +dnl =================================================================== +dnl Is it actually Clang? +dnl =================================================================== + +if test "$GCC" = "yes"; then + AC_MSG_CHECKING([whether GCC is actually Clang]) + AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ + #ifndef __clang__ + you lose + #endif + int foo=42; + ]])], + [AC_MSG_RESULT([yes]) + COM_GCC_IS_CLANG=TRUE], + [AC_MSG_RESULT([no])]) +fi +AC_SUBST(COM_GCC_IS_CLANG) # # prefix C with ccache if needed |