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-rw-r--r--m4/curl-compilers.m411
1 files changed, 10 insertions, 1 deletions
diff --git a/m4/curl-compilers.m4 b/m4/curl-compilers.m4
index a1801df97..dcd96ed54 100644
--- a/m4/curl-compilers.m4
+++ b/m4/curl-compilers.m4
@@ -84,7 +84,16 @@ AC_DEFUN([CURL_CHECK_COMPILER_CLANG], [
if test "$curl_cv_have_def___clang__" = "yes"; then
AC_MSG_RESULT([yes])
compiler_id="CLANG"
- clangver=`$CC -v 2>&1 | grep version | "$SED" 's/.*version \(@<:@0-9@:>@*\.@<:@0-9@:>@*\).*/\1/'`
+ fullclangver=`$CC -v 2>&1 | grep version`
+ clangver=`echo $fullclangver | grep "based on LLVM " | "$SED" 's/.*(based on LLVM \(@<:@0-9@:>@*\.@<:@0-9@:>@*\).*)/\1/'`
+ if test -z "$clangver"; then
+ if echo $fullclangver | grep "Apple LLVM version " >/dev/null; then
+ dnl Starting with XCode 7 / clang 3.7, Apple clang won't tell its upstream version
+ clangver=`3.7`
+ else
+ clangver=`echo $fullclangver | "$SED" 's/.*version \(@<:@0-9@:>@*\.@<:@0-9@:>@*\).*/\1/'`
+ fi
+ fi
clangvhi=`echo $clangver | cut -d . -f1`
clangvlo=`echo $clangver | cut -d . -f2`
compiler_num=`(expr $clangvhi "*" 100 + $clangvlo) 2>/dev/null`