NetBSD/tools/Makefile.gnuwrap

#	$NetBSD: Makefile.gnuwrap,v 1.9 2003/03/14 05:22:51 thorpej Exp $
#
# Wrapper for GNU Makefiles.

.ifndef _WRAPPER_INCLUDED
_WRAPPER_INCLUDED=1

.ifndef _NOWRAPPER
.include "${.CURDIR}/Makefile"
.endif

# Prevent targets in source directories from being rebuilt.

_srcdir:=	${srcdir}
.MADE:		${.ALLTARGETS:M${_srcdir}/*} Makefile

# Don't rebuild .gmo files, or lex/yacc (which GNU puts in the source tree).
.po.gmo .l.c .y.c .y.h .x.1:
	@true

# Make sure this file gets re-loaded recursively.
.ifndef _NOWRAPPER
# Some systems have a small ARG_MAX.  On such systems, prevent Make
# variables set on the command line from being exported in the
# environment (they will still be set in MAKEOVERRIDES).
BUILD_OSTYPE!=  uname -s
.if ${BUILD_OSTYPE} == "Darwin" || ${BUILD_OSTYPE} == "FreeBSD"
__noenvexport=  -X
.endif
_GNUWRAPPER:=	${.PARSEDIR}/${.PARSEFILE}
MAKE:=		${MAKE} ${__noenvexport} -f ${_GNUWRAPPER}
.endif
.endif
Put -X into MAKEFLAGS on FreeBSD and Mac OS X; they have a small ARG_MAX. 2003-03-14 05:22:50 +00:00			`# $NetBSD: Makefile.gnuwrap,v 1.9 2003/03/14 05:22:51 thorpej Exp $`
Major overhaul of src/tools and host toolchain. Summary of changes: * Rewrite src/tools Make logic to work like the rest of the tree wrt "dependall" and "install". The old "make build" hack is gone. * Remove the MKTOOLS logic. This was linked to the "make build" hack, and was only needed because TOOLDIR originally had no writable default. * Redo the GNU configure/make logic to make it fit reasonably in a BSD make wrapper. Use new ${.ALLTARGETS} variable to scan for targets in $(srcdir), and mark them with .MADE: to prevent rebuilding. * Only build cross tools in src/tools; remove some messy logic in src/usr.* and src/gnu/usr.* that would do target filename rewriting (improves consistency and readability). * Add the ability to build cross gdb at tool build time by setting MKCROSSGDB (default no) to "yes" in mk.conf. * Add src/tools/groff and set up paths to work with this cross groff. 2001-11-12 23:16:17 +00:00			`#`
			`# Wrapper for GNU Makefiles.`

Don't put commands in the suffix rule override (avoids target graph cycles). Protect from multiple inclusion. 2001-11-13 06:03:41 +00:00			`.ifndef _WRAPPER_INCLUDED`
			`_WRAPPER_INCLUDED=1`
Add autoconf as a host tool, not built by default. 2001-11-14 20:05:23 +00:00
Make the wrapper work correctly for groff too, which uses a rather freaky Makefile layout. 2001-11-13 04:28:27 +00:00			`.ifndef _NOWRAPPER`
Major overhaul of src/tools and host toolchain. Summary of changes: * Rewrite src/tools Make logic to work like the rest of the tree wrt "dependall" and "install". The old "make build" hack is gone. * Remove the MKTOOLS logic. This was linked to the "make build" hack, and was only needed because TOOLDIR originally had no writable default. * Redo the GNU configure/make logic to make it fit reasonably in a BSD make wrapper. Use new ${.ALLTARGETS} variable to scan for targets in $(srcdir), and mark them with .MADE: to prevent rebuilding. * Only build cross tools in src/tools; remove some messy logic in src/usr.* and src/gnu/usr.* that would do target filename rewriting (improves consistency and readability). * Add the ability to build cross gdb at tool build time by setting MKCROSSGDB (default no) to "yes" in mk.conf. * Add src/tools/groff and set up paths to work with this cross groff. 2001-11-12 23:16:17 +00:00			`.include "${.CURDIR}/Makefile"`
Make the wrapper work correctly for groff too, which uses a rather freaky Makefile layout. 2001-11-13 04:28:27 +00:00			`.endif`
Major overhaul of src/tools and host toolchain. Summary of changes: * Rewrite src/tools Make logic to work like the rest of the tree wrt "dependall" and "install". The old "make build" hack is gone. * Remove the MKTOOLS logic. This was linked to the "make build" hack, and was only needed because TOOLDIR originally had no writable default. * Redo the GNU configure/make logic to make it fit reasonably in a BSD make wrapper. Use new ${.ALLTARGETS} variable to scan for targets in $(srcdir), and mark them with .MADE: to prevent rebuilding. * Only build cross tools in src/tools; remove some messy logic in src/usr.* and src/gnu/usr.* that would do target filename rewriting (improves consistency and readability). * Add the ability to build cross gdb at tool build time by setting MKCROSSGDB (default no) to "yes" in mk.conf. * Add src/tools/groff and set up paths to work with this cross groff. 2001-11-12 23:16:17 +00:00
			`# Prevent targets in source directories from being rebuilt.`

			`_srcdir:= ${srcdir}`
Use ${_srcdir} in .MADE, and add "Makefile" to the list. 2001-11-13 04:37:00 +00:00			`.MADE: ${.ALLTARGETS:M${_srcdir}/*} Makefile`

Major overhaul of src/tools and host toolchain. Summary of changes: * Rewrite src/tools Make logic to work like the rest of the tree wrt "dependall" and "install". The old "make build" hack is gone. * Remove the MKTOOLS logic. This was linked to the "make build" hack, and was only needed because TOOLDIR originally had no writable default. * Redo the GNU configure/make logic to make it fit reasonably in a BSD make wrapper. Use new ${.ALLTARGETS} variable to scan for targets in $(srcdir), and mark them with .MADE: to prevent rebuilding. * Only build cross tools in src/tools; remove some messy logic in src/usr.* and src/gnu/usr.* that would do target filename rewriting (improves consistency and readability). * Add the ability to build cross gdb at tool build time by setting MKCROSSGDB (default no) to "yes" in mk.conf. * Add src/tools/groff and set up paths to work with this cross groff. 2001-11-12 23:16:17 +00:00			`# Don't rebuild .gmo files, or lex/yacc (which GNU puts in the source tree).`
Add autoconf as a host tool, not built by default. 2001-11-14 20:05:23 +00:00			`.po.gmo .l.c .y.c .y.h .x.1:`
Make the null rule execute something so make is appeased if the .y file is newer than the checked in .c file. Otherwise make errors out. 2001-11-22 08:20:07 +00:00			`@true`
Make sure the wrapper is used recursively. -f is not propagated to MAKEFLAGS. 2001-11-13 04:01:49 +00:00
			`# Make sure this file gets re-loaded recursively.`
Make the wrapper work correctly for groff too, which uses a rather freaky Makefile layout. 2001-11-13 04:28:27 +00:00			`.ifndef _NOWRAPPER`
Put -X into MAKEFLAGS on FreeBSD and Mac OS X; they have a small ARG_MAX. 2003-03-14 05:22:50 +00:00			`# Some systems have a small ARG_MAX. On such systems, prevent Make`
			`# variables set on the command line from being exported in the`
			`# environment (they will still be set in MAKEOVERRIDES).`
			`BUILD_OSTYPE!= uname -s`
			`.if ${BUILD_OSTYPE} == "Darwin" \|\| ${BUILD_OSTYPE} == "FreeBSD"`
			`__noenvexport= -X`
			`.endif`
Make sure the wrapper is used recursively. -f is not propagated to MAKEFLAGS. 2001-11-13 04:01:49 +00:00			`_GNUWRAPPER:= ${.PARSEDIR}/${.PARSEFILE}`
Put -X into MAKEFLAGS on FreeBSD and Mac OS X; they have a small ARG_MAX. 2003-03-14 05:22:50 +00:00			`MAKE:= ${MAKE} ${__noenvexport} -f ${_GNUWRAPPER}`
Make the wrapper work correctly for groff too, which uses a rather freaky Makefile layout. 2001-11-13 04:28:27 +00:00			`.endif`
Don't put commands in the suffix rule override (avoids target graph cycles). Protect from multiple inclusion. 2001-11-13 06:03:41 +00:00			`.endif`