- Unbreak build on ARM. Use malloc instead of sbrk.

svn path=/head/; revision=473367

cad/irsim/Makefile

@@ -3,6 +3,7 @@
 
 PORTNAME=	irsim
 PORTVERSION=	9.7.100
+PORTREVISION=	1
 CATEGORIES=	cad
 MASTER_SITES=	http://opencircuitdesign.com/irsim/archive/
 
@@ -31,8 +32,6 @@ GNU_CONFIGURE=	yes
 CFLAGS+=	-I${LOCALBASE}/include
 LDFLAGS+=	-L${LOCALBASE}/lib
 
-BROKEN_aarch64=		Fails to link: missing sbrk
-
 .include <bsd.port.options.mk>
 
 .if ${PORT_OPTIONS:MTCL}

cad/irsim/files/patch-base_mem.c

@@ -0,0 +1,11 @@
+--- base/mem.c.orig	2018-06-25 17:36:40 UTC
++++ base/mem.c
+@@ -126,7 +126,7 @@ extern	unsigned  sleep();
+ #define	PAGE_MASK		( PAGE_SIZE - 1 )
+ 
+ #define	FPRINTF			(void) fprintf
+-#if defined(CYGWIN) || defined(__APPLE__)
++#if defined(CYGWIN) || defined(__APPLE__) || defined(__FreeBSD__)
+ private Pointer GetMoreCore( npages )
+   int  npages;
+   {