Unbreak autoconf check with clang by not using nested functions

security/integrit/Makefile

@@ -1,9 +1,9 @@
-# $OpenBSD: Makefile,v 1.14 2017/09/23 10:23:48 sthen Exp $
+# $OpenBSD: Makefile,v 1.15 2017/09/26 16:21:10 dcoppa Exp $
 
 COMMENT=		file integrity checker
 
 DISTNAME=		integrit-4.1
-REVISION=		1
+REVISION=		2
 CATEGORIES=		security
 
 HOMEPAGE=		http://sourceforge.net/projects/integrit/
@@ -17,7 +17,8 @@ WANTLIB += c
 
 MASTER_SITES=		${MASTER_SITE_SOURCEFORGE:=integrit/}
 
-CONFIGURE_STYLE=	gnu
+CONFIGURE_STYLE=	autoconf
+AUTOCONF_VERSION=	2.59
 
 ALL_TARGET=		integrit utils
 

security/integrit/patches/patch-configure_in

@@ -0,0 +1,14 @@
+$OpenBSD: patch-configure_in,v 1.1 2017/09/26 16:21:10 dcoppa Exp $
+
+Index: configure.in
+--- configure.in.orig
++++ configure.in
+@@ -78,7 +78,7 @@ dnl At least under OSX static linking cannot be used d
+ AC_MSG_CHECKING([whether static linking is possible])
+ LDFLAGS_ORIG="$LDFLAGS"
+ LDFLAGS="$LDFLAGS $STATIC"
+-AC_TRY_LINK(, [int main() { return 0; }], AC_MSG_RESULT(yes),
++AC_TRY_LINK(, [], AC_MSG_RESULT(yes),
+ [
+    AC_MSG_RESULT(no)
+    AC_MSG_WARN(integrit will be built without static linking)