diff options
author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2007-12-14 02:54:08 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2007-12-14 02:54:08 +0000 |
commit | 7919e7f7e8fa4965ae297ecfed826b0f0ecfea93 (patch) | |
tree | ac0764f7af51ce3c50d05a4338485018b52a589e /configure.in | |
parent | 049b420f687620b0d7c802cbd75d5272a0e80106 (diff) |
* lib/mkmf.rb (try_var): should fail for functions.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@14224 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'configure.in')
-rw-r--r-- | configure.in | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/configure.in b/configure.in index 6a5f302d10..0a73dd7581 100644 --- a/configure.in +++ b/configure.in @@ -577,13 +577,14 @@ AC_CACHE_CHECK([for external $1], rb_cv_var_$1, [rb_cv_var_$1=no AC_TRY_COMPILE([#define _XOPEN_SOURCE 1 $2 - void *t;], + const volatile void *volatile t;], [t = &(&$1)[0];], [for t in $3; do AC_TRY_COMPILE([#define _XOPEN_SOURCE 1 $2 - extern $t $1;], - [void *t = &(&$1)[0];], + extern $t $1; + const volatile void *volatile t;], + [t = &(&$1)[0];], [rb_cv_var_$1=$t; break]) done])]) if test "[$rb_cv_var_]$1" != no; then |