diff options
| -rw-r--r-- | configure.ac | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac index 45188544fb0..cf2e200db3f 100644 --- a/configure.ac +++ b/configure.ac @@ -48,9 +48,23 @@ solaris*) ;; esac +dnl clang is mostly GCC-compatible, but its version is much lower, +dnl so we have to check for it. +AC_MSG_CHECKING([if compiling with clang]) + +AC_COMPILE_IFELSE( +[AC_LANG_PROGRAM([], [[ +#ifndef __clang__ + not clang +#endif +]])], +[CLANG=yes], [CLANG=no]) + +AC_MSG_RESULT([$CLANG]) + dnl If we're using GCC, make sure that it is at least version 3.3.0. Older dnl versions are explictly not supported. -if test "x$GCC" = xyes; then +if test "x$GCC" = xyes -a "x$CLANG" = xno; then AC_MSG_CHECKING([whether gcc version is sufficient]) major=0 minor=0 |