Use the options framework to select which language frontends to build

besides C. Just as before, the default is to build c++, java, fortran
and objc. Option java implies option c++.

lang/gcc44/Makefile

@@ -1,7 +1,8 @@
-# $NetBSD: Makefile,v 1.22 2011/07/11 23:26:32 wiz Exp $
+# $NetBSD: Makefile,v 1.23 2011/07/12 18:05:58 hans Exp $
 
 DISTNAME=		gcc-${GCC_VERSION}
 PKGNAME=		gcc44-${GCC_VERSION}
+PKGREVISION=		1
 CATEGORIES=		lang
 MASTER_SITES=		${MASTER_SITE_GNU:=gcc/gcc-${GCC_VERSION}/}
 EXTRACT_SUFX=		.tar.bz2
@@ -68,38 +69,6 @@ REPLACE_BASH+= gcc/dbgcnt.def
 REPLACE_BASH+= gcc/testsuite/gcc.test-framework/gen_directive_tests
 REPLACE_BASH+= libstdc++-v3/scripts/run_doxygen
 
-# Optional languages - change as required
-# Ada could be added although there is a bootstrapping issue.  See
-# ../gcc34-ada for guidance
-BUILD_DEFS+=		BUILD_CXX BUILD_FORTRAN BUILD_JAVA BUILD_OBJC
-BUILD_CXX?=		YES
-BUILD_FORTRAN?=		YES
-BUILD_JAVA?=		YES
-BUILD_OBJC?=		YES
-
-LANGS= c
-
-#.if !empty(BUILD_CXX:M[aA][dD][aA])
-#LANGS+= ada
-#.endif
-
-.if !empty(BUILD_CXX:M[Yy][Ee][Ss])
-LANGS+= c++
-.endif
-
-.if !empty(BUILD_FORTRAN:M[Yy][Ee][Ss])
-LANGS+= fortran
-.endif
-
-.if !empty(BUILD_JAVA:M[Yy][Ee][Ss])
-LANGS+= java
-REPLACE_PYTHON= libjava/contrib/aot-compile.py.in
-.endif
-
-.if !empty(BUILD_OBJC:M[Yy][Ee][Ss])
-LANGS+= objc
-.endif
-
 CONFIGURE_ARGS+=	--prefix=${GCC_PREFIX:Q}
 CONFIGURE_ARGS+=	--enable-languages=${LANGS:Q}
 CONFIGURE_ARGS+=	--with-system-zlib

lang/gcc44/options.mk

@@ -1,12 +1,17 @@
-# $NetBSD: options.mk,v 1.3 2011/04/14 19:38:13 hans Exp $
+# $NetBSD: options.mk,v 1.4 2011/07/12 18:05:58 hans Exp $
 
 PKG_OPTIONS_VAR=	PKG_OPTIONS.gcc44
-PKG_SUPPORTED_OPTIONS=	nls
-PKG_SUGGESTED_OPTIONS=
+PKG_SUPPORTED_OPTIONS=	nls c++ fortran java objc #ada
+PKG_SUGGESTED_OPTIONS=	c++ fortran java objc
 .if ${OPSYS} == "NetBSD"
 PKG_SUGGESTED_OPTIONS+=	nls
 .endif
 
+PKG_OPTIONS_LEGACY_VARS+=	BUILD_CXX:c++
+PKG_OPTIONS_LEGACY_VARS+=	BUILD_FORTRAN:fortran
+PKG_OPTIONS_LEGACY_VARS+=	BUILD_JAVA:java
+PKG_OPTIONS_LEGACY_VARS+=	BUILD_OBJC:objc
+
 .include "../../mk/bsd.options.mk"
 
 ###
@@ -20,3 +25,35 @@ USE_TOOLS+=		msgfmt
 .else
 CONFIGURE_ARGS+=	--disable-nls
 .endif
+
+###
+### Optional languages
+### Ada could be added although there is a bootstrapping issue.  See
+### ../gcc34-ada for guidance
+###
+
+LANGS=		c
+
+.if !empty(PKG_OPTIONS:Mjava)
+.  if empty(PKG_OPTIONS:Mc++)
+PKG_OPTIONS+=	c++
+.  endif
+LANGS+=		java
+REPLACE_PYTHON=	libjava/contrib/aot-compile.in
+.endif
+
+.if !empty(PKG_OPTIONS:Mc++)
+LANGS+=		c++
+.endif
+
+.if !empty(PKG_OPTIONS:Mfortran)
+LANGS+=		fortran
+.endif
+
+.if !empty(PKG_OPTIONS:Mobjc)
+LANGS+=		objc
+.endif
+
+#.if !empty(PKG_OPTIONS:Mada)
+#LANGS+=	ada
+#.endif