use posix_openpt() rather than trying to open /dev/ptmx

devel/ddd/Makefile

@@ -1,9 +1,9 @@
-# $OpenBSD: Makefile,v 1.60 2012/03/29 13:38:13 sthen Exp $
+# $OpenBSD: Makefile,v 1.61 2012/12/13 15:43:11 naddy Exp $
 
 COMMENT=	Data Display Debugger, graphical front-end for GDB, etc
 
 DISTNAME=	ddd-3.3.12
-REVISION =	3
+REVISION=	4
 CATEGORIES=	devel
 MASTER_SITES=	${MASTER_SITE_GNU:=ddd/}
 
@@ -14,19 +14,23 @@ PERMIT_PACKAGE_CDROM=	Yes
 PERMIT_PACKAGE_FTP=	Yes
 PERMIT_DISTFILES_CDROM=	Yes
 PERMIT_DISTFILES_FTP=	Yes
+
 WANTLIB=	ICE SM X11 Xaw Xau Xdmcp Xext Xmu Xpm Xt c m z stdc++ \
 		Xft Xrender expat fontconfig freetype ncurses \
 		pthread-stubs xcb jpeg png Xm
 
 MODULES=	converters/libiconv
 
+LIB_DEPENDS=	x11/openmotif
+
 REGRESS_IS_INTERACTIVE=x11
 
 VMEM_WARNING=	Yes
 USE_GMAKE=	Yes
 USE_LIBTOOL=	Yes
 USE_GROFF =	Yes
-CONFIGURE_STYLE=gnu
+AUTOCONF_VERSION=2.61
+CONFIGURE_STYLE=autoconf
 CONFIGURE_ENV=	CPPFLAGS="${CPPFLAGS} -I${LOCALBASE}/include" \
 		CXXFLAGS="${CXXFLAGS}"
 MAKE_ENV+=MOTIFLIB='-L${LOCALBASE}/lib -lXm'
@@ -40,8 +44,6 @@ WANTLIB +=	elf
 
 SEPARATE_BUILD=	Yes
 
-LIB_DEPENDS+=		x11/openmotif
-
 CONFIGURE_ARGS=	--with-readline-libraries=/usr/lib
 
 MAKE_FLAGS=	MAINTAINER="'${MAINTAINER}'"

devel/ddd/patches/patch-configure_ac

@@ -0,0 +1,12 @@
+$OpenBSD: patch-configure_ac,v 1.1 2012/12/13 15:43:11 naddy Exp $
+--- configure.ac.orig	Thu Dec 13 16:07:03 2012
++++ configure.ac	Thu Dec 13 16:07:04 2012
+@@ -854,6 +854,8 @@ ICE_CHECK_DECL(pclose, stdio.h)
+ AH_TEMPLATE([HAVE_PCLOSE_DECL],[Define if pclose is declared in stdio.h.])
+ ICE_CHECK_DECL(popen, stdio.h)
+ AH_TEMPLATE([HAVE_POPEN_DECL],[Define if popen is declared in stdio.h.])
++ICE_CHECK_DECL(posix_openpt, stdlib.h)
++AH_TEMPLATE([HAVE_GETPT_DECL],[Define if posix_openpt is declared in stdlib.h.])
+ ICE_CHECK_DECL(ptrace, unistd.h sys/ptrace.h)
+ AH_TEMPLATE([HAVE_PTRACE_DECL],[Define if ptrace is declared in unistd.h sys/ptrace.h.])
+ ICE_CHECK_DECL(ptsname, stdlib.h)

devel/ddd/patches/patch-ddd_TTYAgent_C

@@ -0,0 +1,16 @@
+$OpenBSD: patch-ddd_TTYAgent_C,v 1.1 2012/12/13 15:43:11 naddy Exp $
+--- ddd/TTYAgent.C.orig	Thu Dec 13 16:07:28 2012
++++ ddd/TTYAgent.C	Thu Dec 13 16:10:02 2012
+@@ -476,7 +476,11 @@ void TTYAgent::open_master()
+     // ("UNIX98"). Based on SVR4, and thus possibly streams based.
+     master = -1;
+ 
+-#if HAVE_GETPT
++#if HAVE_POSIX_OPENPT
++    master = posix_openpt(O_RDWR|O_NOCTTY);
++    if (master < 0)
++	_raiseIOMsg("posix_openpt");
++#elif HAVE_GETPT
+     // On systems with GNU libc 2.1, getpt() returns a new file
+     // descriptor for the next available master pseudo-terminal.  This
+     // function is a GNU extension.