diff options
| author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-04-01 05:41:27 +0000 |
|---|---|---|
| committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-04-01 05:41:27 +0000 |
| commit | 39626559944ac960b21cc1ce3c740a0ab61b1648 (patch) | |
| tree | 4092f83d8cfc951868574c3d9308220218f45c00 | |
| parent | 90e8a9b4bd583d7b65edf97343dd7d8317f091a6 (diff) | |
configure.in: clang check
* configure.in: should not use AC_COMPILE_IFELSE before
AC_USE_SYSTEM_EXTENSIONS. [Bug #8192]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40031 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
| -rw-r--r-- | configure.in | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/configure.in b/configure.in index 3a9a14aa42..4c1d7353d4 100644 --- a/configure.in +++ b/configure.in @@ -396,12 +396,13 @@ AS_CASE(["$host_os:$build_os"], # clang version 1.0 (http://llvm.org/svn/llvm-project/cfe/tags/Apple/clang-23 exported) # Apple clang version 2.0 (tags/Apple/clang-137) (based on LLVM 2.9svn) # Apple clang version 2.1 (tags/Apple/clang-163.7.1) (based on LLVM 3.0svn) - AC_COMPILE_IFELSE([AC_LANG_PROGRAM([ + if ! $CC -E -xc - <<SRC >/dev/null; then @%:@if defined __APPLE_CC__ && defined __clang_major__ && __clang_major__ < 3 @%:@error premature clang - @%:@endif])], - [], - [AC_MSG_ERROR([clang version 3.0 or later is required])]) + @%:@endif +SRC + AC_MSG_ERROR([clang version 3.0 or later is required]) + fi ]) if test x"${build}" != x"${host}"; then AC_CHECK_TOOL(CC, gcc) |