- Add an option to enable 256 color support

Requested by:	Kevin Kobb <kkobb at skylinecorp.com>

devel/ncurses/Makefile

@@ -30,6 +30,8 @@ CONFIGURE_ARGS=	--datadir=${PREFIX}/share/misc --disable-overwrite \
 		--enable-rpath --disable-root-environ \
 		--with-manpage-format=gzip --srcdir=../
 
+OPTIONS=	EXTCOLORS "Enable 256-color support (only for ncursesw)" off
+
 # needed by devel/py-ncurses port
 .if defined(WITH_TRACE)
 CONFIGURE_ARGS+=	--with-trace
@@ -80,6 +82,11 @@ EXAMPLES_CPP=	Makefile NEWS PROBLEMS README-first cursesapp.cc \
 WITHOUT_WIDEC=	yes
 .endif
 
+CONFIGURE_ARGS_WIDEC=--enable-widec
+.if defined(WITH_EXTCOLORS)
+CONFIGURE_ARGS_WIDEC+=--enable-ext-colors
+.endif
+
 .if !defined(WITHOUT_PROFILE) && !defined(NO_PROFILE) && !defined(NOPROFILE)
 CONFIGURE_ARGS+=--with-profile
 PLIST_SUB+=	PROFILE=""
@@ -122,7 +129,7 @@ post-configure:
 .if !defined(WITHOUT_WIDEC)
 	cd ${.CURDIR} && \
 	    ${MAKE} ${.MAKEFLAGS} CONFIGURE_WRKSRC=${WIDEC_WRKSRC} \
-	    CONFIGURE_ARGS="${CONFIGURE_ARGS} --enable-widec" \
+	    CONFIGURE_ARGS="${CONFIGURE_ARGS} ${CONFIGURE_ARGS_WIDEC}" \
 	    do-configure
 .endif
 .for d in test c++