diff options
| author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-08-13 15:43:55 +0000 |
|---|---|---|
| committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-08-13 15:43:55 +0000 |
| commit | 3622cd196ca292167f05f15e1b2d993852454c4b (patch) | |
| tree | e68ca255ed1423ab65fb971871e9b9129d690ae6 /configure.in | |
| parent | ca3c54c0ee3db935413b4ba70e58b15940c385fe (diff) | |
* configure.in (rb_cv_gcc_function_alias): checks alias attribute.
* string.c (alias_func): replaced with RUBY_ALIAS_FUNCTION.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@18589 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/configure.in b/configure.in index bd38c2b8b4..1ad99ca5e5 100644 --- a/configure.in +++ b/configure.in @@ -445,6 +445,23 @@ RUBY_FUNC_ATTRIBUTE(stdcall) RUBY_FUNC_ATTRIBUTE(cdecl) RUBY_FUNC_ATTRIBUTE(fastcall) +if test "$GCC" = yes; then + AC_CACHE_CHECK([for function alias], [rb_cv_gcc_function_alias], + [rb_cv_gcc_function_alias=no + for a in alias weak,alias; do + AC_TRY_LINK([void foo(void) {} + void bar(void) __attribute__(($a("foo")));], [bar()], + [rb_cv_gcc_function_alias=$a; break]) + done]) + if test "$rb_cv_gcc_function_alias" = no; then + AC_DEFINE([RUBY_ALIAS_FUNCTION(old_prot, new_name, args)], + [VALUE old_prot {return new_name args;}]) + else + AC_DEFINE_UNQUOTED([RUBY_ALIAS_FUNCTION(old_prot, new_name, args)], + [VALUE old_prot __attribute__(($rb_cv_gcc_function_alias(@%:@new_name)));]) + fi +fi + AC_CACHE_CHECK([for RUBY_EXTERN], rb_cv_ruby_extern, [rb_cv_ruby_extern=no for mac in "__attribute__((dllimport))" "__declspec(dllimport)"; do |