From 5bea5caa17b00b4c7b3a0fa0b95a71867d395f00 Mon Sep 17 00:00:00 2001
From: Adam Weinberger <adamw@FreeBSD.org>
Date: Mon, 31 Oct 2016 16:48:29 +0000
Subject: [PATCH] Use an option helper and put the description block for it
 into a pkg-help.

Improve an ARCH-checking construct.
---
 devel/pcre/Makefile | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)

diff --git a/devel/pcre/Makefile b/devel/pcre/Makefile
index e787ff267dc9..ac96707d0633 100644
--- a/devel/pcre/Makefile
+++ b/devel/pcre/Makefile
@@ -43,13 +43,9 @@ LIBEDIT_CONFIGURE_ENABLE=	pcretest-libedit
 READLINE_USES=			readline
 READLINE_CONFIGURE_ENABLE=	pcretest-libreadline
 
-.include <bsd.port.options.mk>
+STACK_RECURSION_CONFIGURE_ENABLE=	stack-for-recursion
 
-# Using the heap rather than the stack for recursion is slower but less
-# prone to segfaults from stack exhaustion when matching certain patterns
-.if !${PORT_OPTIONS:MSTACK_RECURSION}
-CONFIGURE_ARGS+=	--disable-stack-for-recursion
-.endif
+.include <bsd.port.pre.mk>
 
 # Optional knobs that accept positive integer parameters (see pcrebuild(3)):
 
@@ -84,9 +80,7 @@ CONFIGURE_ARGS+=	--with-parens-nest-limit=${WITH_PARENS_NEST_LIMIT}
 CONFIGURE_ARGS+=	--with-posix-malloc-threshold=${WITH_POSIX_MALLOC_THRESHOLD}
 .endif
 
-.include <bsd.port.pre.mk>
-
-.if ${ARCH} != "sparc64" && ${ARCH} != "ia64" && ${ARCH:Mmips64*} == ""
+.if ${ARCH} != "sparc64" && ${ARCH} != "ia64" && empty(ARCH:Mmips64*)
 CONFIGURE_ARGS+=	--enable-jit
 .else
 CONFIGURE_ARGS+=	--disable-jit