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authornobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2005-10-25 17:00:03 +0000
committernobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2005-10-25 17:00:03 +0000
commit17f022491ab6b1dfec34eb5b9eb050eadb425a7b (patch)
tree0fa6a08034aff4516c5bd192cd8c0d1ec064d986 /configure.in
parent7514584b706134864eec1ee8c5732c458b4634ab (diff)
* configure.in (RUBY_EXTERN): macro to export symbols in shared
library. [ruby-core:05528] * defines.h, {bcc32,win32,wince}/Makefile.sub (RUBY_EXTERN): moved to configuration pass. * ext/extmk.rb (extmake): RUBY_EXTERN for static linked extensions. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@9466 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'configure.in')
-rw-r--r--configure.in12
1 files changed, 11 insertions, 1 deletions
diff --git a/configure.in b/configure.in
index c13d7ed..2ab91c2 100644
--- a/configure.in
+++ b/configure.in
@@ -283,6 +283,17 @@ NORETURN(void exit(int x));],
done])
AC_DEFINE_UNQUOTED([NORETURN(x)], $rb_cv_noreturn)
+AC_CACHE_CHECK([for RUBY_EXTERN], rb_cv_ruby_extern,
+[rb_cv_ruby_extern=no
+for mac in "__attribute__((dllimport))" "__declspec(dllimport)"; do
+ AC_TRY_COMPILE(
+ [extern $mac void conftest(void);],
+ [rb_cv_ruby_extern="extern $mac"; break])
+done])
+test "x$rb_cv_ruby_extern" = xno || AC_DEFINE_UNQUOTED(RUBY_EXTERN, $rb_cv_ruby_extern)
+
+XCFLAGS="$XCFLAGS -DRUBY_EXPORT"
+
dnl Check whether we need to define sys_nerr locally
AC_CHECK_DECLS([sys_nerr], [], [], [$ac_includes_default
#include <errno.h>])
@@ -1346,7 +1357,6 @@ case "$target_os" in
COMMON_HEADERS="windows.h winsock.h"
;;
esac
- XCFLAGS="$XCFLAGS"
LIBRUBY_DLDFLAGS="${DLDFLAGS}"' -Wl,--out-implib=$(LIBRUBY)'
LIBRUBY_ALIASES=''
FIRSTMAKEFILE=GNUmakefile:cygwin/GNUmakefile.in