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NetBSD/tools/Makefile.gnuwrap

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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 11:20:07 +03:00
# $NetBSD: Makefile.gnuwrap,v 1.8 2001/11/22 08:20:07 jmc 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.
2001-11-13 02:16:17 +03:00
#
# Wrapper for GNU Makefiles.
Don't put commands in the suffix rule override (avoids target graph cycles). Protect from multiple inclusion.
2001-11-13 09:03:41 +03:00
.ifndef _WRAPPER_INCLUDED
_WRAPPER_INCLUDED=1
Add autoconf as a host tool, not built by default.
2001-11-14 23:05:23 +03:00
Make the wrapper work correctly for groff too, which uses a rather freaky Makefile layout.
2001-11-13 07:28:27 +03:00
.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 $(srcdir), and mark them with .MADE: to prevent rebuilding. * Only build cross tools in src/tools; remove some messy logic in src/usr.* and src/gnu/usr.* that would do target filename rewriting (improves consistency and readability). * Add the ability to build cross gdb at tool build time by setting MKCROSSGDB (default no) to "yes" in mk.conf. * Add src/tools/groff and set up paths to work with this cross groff.
2001-11-13 02:16:17 +03:00
.include "${.CURDIR}/Makefile"
Make the wrapper work correctly for groff too, which uses a rather freaky Makefile layout.
2001-11-13 07:28:27 +03:00
.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.
2001-11-13 02:16:17 +03:00
# Prevent targets in source directories from being rebuilt.
_srcdir:= ${srcdir}
Use ${_srcdir} in .MADE, and add "Makefile" to the list.
2001-11-13 07:37:00 +03:00
.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.
2001-11-13 02:16:17 +03:00
# 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 23:05:23 +03:00
.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 11:20:07 +03:00
@true
Make sure the wrapper is used recursively. -f is not propagated to MAKEFLAGS.
2001-11-13 07:01:49 +03:00
# 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 07:28:27 +03:00
.ifndef _NOWRAPPER
Make sure the wrapper is used recursively. -f is not propagated to MAKEFLAGS.
2001-11-13 07:01:49 +03:00
_GNUWRAPPER:= ${.PARSEDIR}/${.PARSEFILE}
MAKE:= ${MAKE} -f ${_GNUWRAPPER}
Make the wrapper work correctly for groff too, which uses a rather freaky Makefile layout.
2001-11-13 07:28:27 +03:00
.endif
Don't put commands in the suffix rule override (avoids target graph cycles). Protect from multiple inclusion.
2001-11-13 09:03:41 +03:00
.endif