Add a ncursesw/builtin.mk file to that allows NetBSD with native wide

curses to be used instead.  Packages that really need ncursesw should
define USE_NCURSESW=yes in the package Makefile.

2 files changed, 137 insertions, 3 deletions

diff --git a/devel/ncursesw/buildlink3.mk b/devel/ncursesw/buildlink3.mk
index 47e26e8b2d6..637883a9e63 100644
--- a/devel/ncursesw/buildlink3.mk
+++ b/devel/ncursesw/buildlink3.mk
@@ -1,4 +1,4 @@
-# $NetBSD: buildlink3.mk,v 1.1 2006/10/13 18:07:49 tron Exp $
+# $NetBSD: buildlink3.mk,v 1.2 2008/02/20 17:17:46 jlam Exp $
 
 BUILDLINK_DEPTH:=	${BUILDLINK_DEPTH}+
 NCURSESW_BUILDLINK3_MK:=${NCURSESW_BUILDLINK3_MK}+
@@ -17,8 +17,6 @@ BUILDLINK_ABI_DEPENDS.ncursesw+=	ncursesw>=5.5
 BUILDLINK_PKGSRCDIR.ncursesw?=		../../devel/ncursesw
 .endif	# NCURSESW_BUILDLINK3_MK
 
-USE_NCURSES=		YES
-
 .include "../../devel/ncurses/buildlink3.mk"
 
 BUILDLINK_DEPTH:=	${BUILDLINK_DEPTH:S/+$//}
diff --git a/devel/ncursesw/builtin.mk b/devel/ncursesw/builtin.mk
new file mode 100644
index 00000000000..dab431f9f10
--- /dev/null
+++ b/devel/ncursesw/builtin.mk
@@ -0,0 +1,136 @@
+# $NetBSD: builtin.mk,v 1.1 2008/02/20 17:17:46 jlam Exp $
+
+BUILTIN_PKG:=	ncursesw
+
+# H_NB_CURSESW searches for NetBSD's <curses.h> that uses HAVE_WCHAR to
+#	build with wide curses support.
+#
+# XXX Need to deal with Solaris <curses.h>
+#
+BUILTIN_FIND_LIBS:=			ncursesw
+BUILTIN_FIND_FILES_VAR:=		H_NB_CURSESW H_NCURSESW_CURSES
+BUILTIN_FIND_FILES.H_NB_CURSESW=		/usr/include/curses.h
+BUILTIN_FIND_GREP.H_NB_CURSESW=		\#ifdef[ 	]*HAVE_WCHAR
+BUILTIN_FIND_FILES.H_NCURSESW_CURSES=	/usr/include/ncursesw/curses.h
+BUILTIN_FIND_GREP.H_NCURSESW_CURSES=	\#define[ 	]*NCURSES_VERSION
+
+.include "../../mk/buildlink3/bsd.builtin.mk"
+
+###
+### Determine if there is a built-in implementation of the package and
+### set IS_BUILTIN.<pkg> appropriately ("yes" or "no").
+###
+.if !defined(IS_BUILTIN.ncursesw)
+IS_BUILTIN.ncursesw=	no
+.  if empty(H_NCURSESW_CURSES:M__nonexistent__) && \
+      empty(H_NCURSESW_CURSES:M${LOCALBASE}/*) && \
+      !empty(BUILTIN_LIB_FOUND.ncursesw:M[yY][eE][sS])
+IS_BUILTIN.ncursesw=	yes
+.  endif
+.endif
+MAKEVARS+=	IS_BUILTIN.ncursesw
+
+###
+### If there is a built-in implementation, then set BUILTIN_PKG.<pkg> to
+### a package name to represent the built-in package.
+###
+.if !defined(BUILTIN_PKG.ncursesw) && \
+    !empty(IS_BUILTIN.ncursesw:M[yY][eE][sS]) && \
+    empty(H_NCURSES:M__nonexistent__)
+BUILTIN_VERSION.ncursesw!=						\
+	${AWK} '/\#define[ 	]*NCURSES_VERSION[ 	]/ {		\
+			vers = $$3;					\
+			gsub("\"", "", vers);				\
+			print vers;					\
+		}							\
+	' ${H_NCURSES:Q}
+BUILTIN_PKG.ncursesw=	ncursesw-${BUILTIN_VERSION.ncursesw}
+.endif
+MAKEVARS+=	BUILTIN_PKG.ncursesw
+
+###
+### Determine whether we should use the built-in implementation if it
+### exists, and set USE_BUILTIN.<pkg> appropriate ("yes" or "no").
+###
+.if !defined(USE_BUILTIN.ncursesw)
+.  if ${PREFER.ncursesw} == "pkgsrc"
+USE_BUILTIN.ncursesw=	no
+.  else
+USE_BUILTIN.ncursesw=	${IS_BUILTIN.ncursesw}
+.    if defined(BUILTIN_PKG.ncursesw) && \
+        !empty(IS_BUILTIN.ncursesw:M[yY][eE][sS])
+USE_BUILTIN.ncursesw=	yes
+.      for _dep_ in ${BUILDLINK_API_DEPENDS.ncursesw}
+.        if !empty(USE_BUILTIN.ncursesw:M[yY][eE][sS])
+USE_BUILTIN.ncursesw!=							\
+	if ${PKG_ADMIN} pmatch ${_dep_:Q} ${BUILTIN_PKG.ncursesw:Q}; then \
+		${ECHO} yes;						\
+	else								\
+		${ECHO} no;						\
+	fi
+.        endif
+.      endfor
+.    endif
+# XXX
+# XXX By default, assume that the native curses on NetBSD systems is
+# XXX good enough to replace ncursesw.  In reality, no version of NetBSD
+# XXX has a curses library that can completely replace ncursesw; however,
+# XXX some versions implement enough of ncursesw that some packages are
+# XXX happy.
+# XXX
+.    if empty(H_NB_CURSESW:M__nonexistent__) && \
+	empty(H_NB_CURSESW:M${LOCALBASE}/*)
+USE_BUILTIN.ncursesw=	yes
+.    endif
+.  endif  # PREFER.ncursesw
+.endif
+MAKEVARS+=	USE_BUILTIN.ncursesw
+
+# If USE_NCURSESW is defined, then force the use of an ncurses/ncursesw
+# implementation.
+#
+.if defined(USE_NCURSESW)
+USE_NCURSES=		yes
+.  if !empty(IS_BUILTIN.ncursesw:M[nN][oO])
+USE_BUILTIN.ncursesw=	no
+.  endif
+.endif
+
+###
+### The section below only applies if we are not including this file
+### solely to determine whether a built-in implementation exists.
+###
+CHECK_BUILTIN.ncursesw?=	no
+.if !empty(CHECK_BUILTIN.ncursesw:M[nN][oO])
+
+.  if !empty(USE_BUILTIN.ncursesw:M[yY][eE][sS])
+.    if !empty(BUILTIN_LIB_FOUND.ncursesw:M[nN][oO])
+BUILDLINK_TRANSFORM+=		l:ncursesw:curses
+.    endif
+.    if empty(H_NB_CURSESW:M__nonexistent__) && \
+	empty(H_NB_CURSESW:M${LOCALBASE}/*)
+BUILDLINK_CPPFLAGS.ncursesw+=	-DHAVE_WCHAR=1
+.    endif
+.  endif
+BUILDLINK_TARGETS+=		buildlink-ncursesw-curses-h
+
+# Most packages expect <ncursesw/curses.h> to provide declarations for
+# ncursesw.
+#
+.  if !target(buildlink-ncursesw-curses-h)
+.PHONY: buildlink-ncursesw-curses-h
+buildlink-ncursesw-curses-h:
+	${RUN}								\
+	curses_h="ncursesw/ncurses.h curses.h";				\
+	for f in $$curses_h; do						\
+		src=${BUILDLINK_PREFIX.ncursesw:Q}"/include/$$f";	\
+		dest=${BUILDLINK_DIR:Q}"/include/ncursesw/curses.h";	\
+		if ${TEST} ! -f "$$dest" -a -f "$$src"; then		\
+			${ECHO_BUILDLINK_MSG} "Linking ncursesw/curses.h -> $$f."; \
+			${MKDIR} `${DIRNAME} "$$dest"`;			\
+			${LN} -s "$$src" "$$dest";			\
+		fi;							\
+	done
+.  endif
+
+.endif	# CHECK_BUILTIN.ncursesw