gputils: fix build for gcc2

dev-embedded/gputils/gputils-1.5.0.recipe

@@ -5,9 +5,10 @@ cense. There are other GNU PIC tools available such as gpsim, a gputils compatib
 HOMEPAGE="https://gputils.sourceforge.io/"
 COPYRIGHT="Craig Franklin, James Bowman"
 LICENSE="GNU GPL v2"
-REVISION="1"
+REVISION="2"
 SOURCE_URI="https://sourceforge.net/projects/gputils/files/gputils/$portVersion/gputils-$portVersion-1.tar.bz2"
 CHECKSUM_SHA256="6f88a018e85717b57a22f27a0ca41b2157633a82351f7755be92e2d7dc40bb14"
+PATCHES="gputils-$portVersion.patchset"
 
 ARCHITECTURES="x86_gcc2 x86_64"
 

dev-embedded/gputils/patches/gputils-1.5.0.patchset

@@ -0,0 +1,26 @@
+From 8ba28190405b021068abd156914a63e63a3f8612 Mon Sep 17 00:00:00 2001
+From: Gerasim Troeglazov <3dEyes@gmail.com>
+Date: Tue, 29 Sep 2020 12:02:02 +1000
+Subject: va_copy, gcc2 fix
+
+
+diff --git a/gpasm/gpmsg.c b/gpasm/gpmsg.c
+index 92e3a8a..6d32f00 100644
+--- a/gpasm/gpmsg.c
++++ b/gpasm/gpmsg.c
+@@ -29,6 +29,12 @@ Boston, MA 02111-1307, USA.  */
+ #include "gpmsg.h"
+ #include "lst.h"
+ 
++#ifdef __HAIKU__
++#if __GNUC__ < 3
++#define va_copy __va_copy
++#endif
++#endif
++
+ typedef struct message_code {
+   enum {
+     ERR_CODE_NUM,
+-- 
+2.28.0
+