diff options
author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-04-01 05:22:57 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-04-01 05:22:57 +0000 |
commit | 90e8a9b4bd583d7b65edf97343dd7d8317f091a6 (patch) | |
tree | 2508b9952e3d843bde22de715d0702c99194c1b5 /configure.in | |
parent | 92f59c6d7937b14bb5eefb052099ef0a3ef3bcd0 (diff) |
configure.in: clang check
* configure.in: check clang version by predefined macro values.
[Bug #8192]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40030 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'configure.in')
-rw-r--r-- | configure.in | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/configure.in b/configure.in index 3e436c4b92..3a9a14aa42 100644 --- a/configure.in +++ b/configure.in @@ -396,9 +396,12 @@ 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) - if test "$CC" = "clang" && $CC --version | grep 'clang version @<:@12 @:>@\.' ; then - AC_MSG_ERROR([clang version 3.0 or later is required]) - fi + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([ + @%:@if defined __APPLE_CC__ && defined __clang_major__ && __clang_major__ < 3 + @%:@error premature clang + @%:@endif])], + [], + [AC_MSG_ERROR([clang version 3.0 or later is required])]) ]) if test x"${build}" != x"${host}"; then AC_CHECK_TOOL(CC, gcc) |