Add builtin for working out if we have terminfo installed natively.

1 files changed, 82 insertions, 0 deletions

diff --git a/mk/terminfo.builtin.mk b/mk/terminfo.builtin.mk
new file mode 100644
index 00000000000..713672b0214
--- /dev/null
+++ b/mk/terminfo.builtin.mk
@@ -0,0 +1,82 @@
+# $NetBSD: terminfo.builtin.mk,v 1.1 2010/02/07 09:46:14 roy Exp $
+
+BUILTIN_PKG:=	terminfo
+
+BUILTIN_FIND_LIBS:=		terminfo curses tinfo
+BUILTIN_FIND_FILES_VAR:=	H_TERM
+BUILTIN_FIND_FILES.H_TERM:=	/usr/include/term.h
+BUILTIN_FIND_GREP.H_TERM:=	tigetent
+
+.include "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.terminfo)
+IS_BUILTIN.terminfo=	no
+.  if !empty(BUILTIN_LIB_FOUND.terminfo:M[yY[eE][sS]) || \
+      !empty(BUILTIN_LIB_FOUND.curses:M[yY][eE][sS]) || \
+      !empty(BUILTIN_LIB_FOUND.tinfo:M[yY][eE][sS])
+IS_BUILTIN.terminfo=	yes
+.  endif
+.endif
+MAKEVARS+=	IS_BUILTIN.terminfo
+
+###
+### 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.terminfo)
+.  if ${PREFER.terminfo} == "pkgsrc"
+USE_BUILTIN.terminfo=	no
+.  else
+USE_BUILTIN.terminfo=	${IS_BUILTIN.terminfo}
+.  endif  # PREFER.terminfo
+.endif
+MAKEVARS+=	USE_BUILTIN.terminfo
+
+# Define BUILTIN_LIBNAME.termcap to be the base name of the built-in
+# termcap library.
+#
+# The way this is determined is:
+#
+# (1) If <term.h> exists and libterminfo exists, then it's "terminfo".
+# (1) If <term.h> exists and libtinfo exists, then it's "tinfo".
+# (2) If <term.h> exists and libcurses exists, then it's "curses".
+# (3) If <term.h> exists and lib{curses,terminfo,tinfo} don't, then it's "c".
+#
+.if empty(H_TERM:M__nonexistent__) && empty(H_TERM:M${LOCALBASE}/*)
+.  if !empty(BUILTIN_LIB_FOUND.terminfo:M[yY][eE][sS])
+BUILTIN_LIBNAME.terminfo=	terminfo
+.  elif !empty(BUILTIN_LIB_FOUND.tinfo:M[yY][eE][sS])
+BUILTIN_LIBNAME.terminfo=	tinfo
+.  elif !empty(BUILTIN_LIB_FOUND.curses:M[yY][eE][sS])
+BUILTIN_LIBNAME.terminfo=	curses
+.  else
+BUILTIN_LIBNAME.terminfo=	c
+.  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.terminfo?=	no
+.if !empty(CHECK_BUILTIN.terminfo:M[nN][oO])
+
+.  if !empty(USE_BUILTIN.terminfo:M[yY][eE][sS])
+BUILDLINK_LIBNAME.terminfo=	${BUILTIN_LIBNAME.terminfo}
+.  endif
+
+# If the package wants both "terminfo" and "curses", then we must not
+# remove the -l options for the curses libraries; otherwise, we should
+# remove them as GNU configure scripts commonly check for one or both
+# of those library options.
+#
+.  if empty(BUILDLINK_TREE:Mcurses) && empty(BUILDLINK_TREE:Mncurses)
+BUILDLINK_TRANSFORM+=		rm:-lcurses
+BUILDLINK_TRANSFORM+=		rm:-lncurses
+.  endif
+
+.endif	# CHECK_BUILTIN.terminfo