xref: /netbsd/tools/Makefile.gnuwrap (revision d2809fcf)
1#	$NetBSD: Makefile.gnuwrap,v 1.9 2003/03/14 05:22:51 thorpej Exp $
2#
3# Wrapper for GNU Makefiles.
4
5.ifndef _WRAPPER_INCLUDED
6_WRAPPER_INCLUDED=1
7
8.ifndef _NOWRAPPER
9.include "${.CURDIR}/Makefile"
10.endif
11
12# Prevent targets in source directories from being rebuilt.
13
14_srcdir:=	${srcdir}
15.MADE:		${.ALLTARGETS:M${_srcdir}/*} Makefile
16
17# Don't rebuild .gmo files, or lex/yacc (which GNU puts in the source tree).
18.po.gmo .l.c .y.c .y.h .x.1:
19	@true
20
21# Make sure this file gets re-loaded recursively.
22.ifndef _NOWRAPPER
23# Some systems have a small ARG_MAX.  On such systems, prevent Make
24# variables set on the command line from being exported in the
25# environment (they will still be set in MAKEOVERRIDES).
26BUILD_OSTYPE!=  uname -s
27.if ${BUILD_OSTYPE} == "Darwin" || ${BUILD_OSTYPE} == "FreeBSD"
28__noenvexport=  -X
29.endif
30_GNUWRAPPER:=	${.PARSEDIR}/${.PARSEFILE}
31MAKE:=		${MAKE} ${__noenvexport} -f ${_GNUWRAPPER}
32.endif
33.endif
34