+if test $CLANG = yes ; then
+ AC_CACHE_CHECK([for clang version],
+ [lyx_cv_clang_version],
+ [clang_noversion=no
+ AC_COMPUTE_INT(clang_major,__clang_major__,,[clang_noversion_=yes])
+ AC_COMPUTE_INT(clang_minor,__clang_minor__,,[clang_noversion_=yes])
+ AC_COMPUTE_INT(clang_patchlevel,__clang_patchlevel__,,[clang_noversion_=yes])
+ if test $clang_noversion = yes ; then
+ clang_version=unknown
+ else
+ clang_version=$clang_major.$clang_minor.$clang_patchlevel
+ fi
+ lyx_cv_clang_version=$clang_version])
+fi