Allow PostgreSQL to run on Loongson.

With help of miod@ (thx !)

ok jasper@

databases/postgresql/Makefile

@@ -1,4 +1,4 @@
-# $OpenBSD: Makefile,v 1.147 2011/03/17 16:49:27 ajacoutot Exp $
+# $OpenBSD: Makefile,v 1.148 2011/04/07 13:54:16 pea Exp $
 
 COMMENT-main=	PostgreSQL RDBMS (client)
 COMMENT-server=	PostgreSQL RDBMS (server)
@@ -12,7 +12,7 @@ PKGNAME-server=	postgresql-server-${VERSION}
 PKGNAME-docs=	postgresql-docs-${VERSION}
 PKGNAME-contrib=postgresql-contrib-${VERSION}
 
-REVISION-server=	2
+REVISION-server=	3
 
 CATEGORIES=	databases
 SHARED_LIBS=	ecpg		7.2 \

databases/postgresql/patches/patch-src_backend_port_dynloader_openbsd_c

@@ -0,0 +1,37 @@
+$OpenBSD: patch-src_backend_port_dynloader_openbsd_c,v 1.1 2011/04/07 13:54:16 pea Exp $
+
+Remove old restrictions that no longer exist on OpenBSD.
+Without these, PostgreSQL can now run on mips platforms.
+
+--- src/backend/port/dynloader/openbsd.c.orig	Thu Apr  7 03:30:11 2011
++++ src/backend/port/dynloader/openbsd.c	Thu Apr  7 03:32:13 2011
+@@ -57,28 +57,18 @@ BSD44_derived_dlerror(void)
+ void *
+ BSD44_derived_dlopen(const char *file, int num)
+ {
+-#if defined(__mips__)
+-	snprintf(error_message, sizeof(error_message),
+-			 "dlopen (%s) not supported", file);
+-	return NULL;
+-#else
+ 	void	   *vp;
+ 
+ 	if ((vp = dlopen((char *) file, num)) == NULL)
+ 		snprintf(error_message, sizeof(error_message),
+ 				 "dlopen (%s) failed: %s", file, dlerror());
+ 	return vp;
+-#endif
+ }
+ 
+ void *
+ BSD44_derived_dlsym(void *handle, const char *name)
+ {
+-#if defined(__mips__)
+-	snprintf(error_message, sizeof(error_message),
+-			 "dlsym (%s) failed", name);
+-	return NULL;
+-#elif defined(__ELF__)
++#if defined(__ELF__)
+ 	return dlsym(handle, name);
+ #else
+ 	void	   *vp;