1 files changed, 31 insertions, 0 deletions
diff --git a/trunk/ext/dl/extconf.rb b/trunk/ext/dl/extconf.rb
new file mode 100644
index 0000000000..abd8d8f781
--- /dev/null
+++ b/trunk/ext/dl/extconf.rb
@@ -0,0 +1,31 @@
+require 'mkmf'
+
+if( RbConfig::CONFIG['CC'] =~ /gcc/ )
+  $CFLAGS << " -fno-defer-pop -fno-omit-frame-pointer"
+end
+
+$INSTALLFILES = [
+  ["dl.h", "$(HDRDIR)"],
+]
+$distcleanfiles << "callback.h"
+
+
+check = true
+if( have_header("dlfcn.h") )
+  have_library("dl")
+  check &&= have_func("dlopen")
+  check &&= have_func("dlclose")
+  check &&= have_func("dlsym")
+  have_func("dlerror")
+elsif( have_header("windows.h") )
+  check &&= have_func("LoadLibrary")
+  check &&= have_func("FreeLibrary")
+  check &&= have_func("GetProcAddress")
+else
+  check = false
+end
+
+if check
+  $defs << %[-DRUBY_VERSION=\\"#{RUBY_VERSION}\\"]
+  create_makefile("dl")
+end