fix on powerpc, and add an explicit ONLY_FOR_ARCHS listing the arches

which the JIT has been written for (though some may not work in the port yet).

lang/luajit/Makefile

@@ -1,4 +1,6 @@
-# $OpenBSD: Makefile,v 1.1.1.1 2012/10/27 14:05:33 abieber Exp $
+# $OpenBSD: Makefile,v 1.2 2012/11/02 02:08:38 sthen Exp $
+
+ONLY_FOR_ARCHS = powerpc arm i386 amd64 mips64 mips64el
 
 SHARED_ONLY =	Yes
 SHARED_LIBS +=	luajit-${MODLUA_VERSION} 0.0 # 2.0.0
@@ -26,6 +28,11 @@ MASTER_SITES =	${HOMEPAGE}download/
 
 MODULES =	lang/lua
 
+MODULES +=	gcc4
+MODGCC4_VERSION = 4.6
+MODGCC4_ARCHS =	powerpc
+MODGCC4_LANGS =	c
+
 MAKE_FLAGS += \
 	CC="${CC}" \
 	CCOPT="${CFLAGS}" \

lang/luajit/patches/patch-src_host_buildvm_asm_c

@@ -0,0 +1,21 @@
+$OpenBSD: patch-src_host_buildvm_asm_c,v 1.1 2012/11/02 02:08:38 sthen Exp $
+
+.gnu_attribute requires binutils 2.18
+
+--- src/host/buildvm_asm.c.orig	Sun Oct 28 10:44:35 2012
++++ src/host/buildvm_asm.c	Sun Oct 28 10:45:15 2012
+@@ -283,12 +283,14 @@ void emit_asm(BuildCtx *ctx)
+ #if !LJ_TARGET_PS3
+     fprintf(ctx->fp, "\t.section .note.GNU-stack,\"\"," ELFASM_PX "progbits\n");
+ #endif
++#if 0
+ #if LJ_TARGET_PPCSPE
+     /* Soft-float ABI + SPE. */
+     fprintf(ctx->fp, "\t.gnu_attribute 4, 2\n\t.gnu_attribute 8, 3\n");
+ #elif LJ_TARGET_PPC && !LJ_TARGET_PS3
+     /* Hard-float ABI. */
+     fprintf(ctx->fp, "\t.gnu_attribute 4, 1\n");
++#endif
+ #endif
+     /* fallthrough */
+   case BUILD_coffasm:

lang/luajit/patches/patch-src_lj_arch_h

@@ -0,0 +1,13 @@
+$OpenBSD: patch-src_lj_arch_h,v 1.1 2012/11/02 02:08:38 sthen Exp $
+--- src/lj_arch.h.orig	Fri Oct 26 11:48:11 2012
++++ src/lj_arch.h	Fri Oct 26 11:48:14 2012
+@@ -314,9 +314,6 @@
+ #if defined(_SOFT_FLOAT) || defined(_SOFT_DOUBLE)
+ #error "No support for PowerPC CPUs without double-precision FPU"
+ #endif
+-#if defined(_LITTLE_ENDIAN)
+-#error "No support for little-endian PowerPC"
+-#endif
+ #if defined(_LP64)
+ #error "No support for PowerPC 64 bit mode"
+ #endif