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Update and correct makefile rebuilding rules.

This commit is contained in:
Keith Marshall 2012-01-15 15:10:09 +00:00
parent f0449b5092
commit 6208cfce7a
6 changed files with 62 additions and 10 deletions
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19
winsup/w32api/ChangeLog
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@ -1,3 +1,22 @@
2012-01-15 Keith Marshall <keithmarshall@users.sf.net>
Update and correct makefile rebuilding rules.
* Makefile.in (Makefile): Remove dependency on configure; it causes
incorrect invocation of config.status when configure is regenerated.
(config.status): New rule; it invokes the corrected command.
* lib/Makefile.in lib/ddk/Makefile.in lib/directx/Makefile.in:
(Makefile): Factor out rebuilding rules; replace by...
* Makefile.comm.in (Makefile): ...corrected implementation here.
(top_builddir/Makefile.comm): New rebuilding rule; it establishes the
commands to rebuild Makefile.comm and all other makefiles, when its
own Makefile.comm.in, or any subdirectory Makefile.in is modified,
or when config.status is updated.
(top_builddir/config.status): New rule; it corrects the previously
inappropriate command implementation to update config.status, when the
configure script is regenerated.
2012-01-15 Keith Marshall <keithmarshall@users.sf.net>
More formatting adjustments.

33
winsup/w32api/Makefile.comm.in
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@ -124,4 +124,37 @@ distclean: clean
maintainer-clean: distclean
# Rules for rebuilding makefiles in sub-directories:
#
# Each of these should be rebuilt when its own Makefile.in is modified,
# or when ${top_builddir}/config.status is updated. Rebuilding is achieved
# by running ${top_builddir}/config.status, with ${top_builddir} as CWD; as
# a side effect this also rebuilds all other makefiles in the package tree.
# In particular, it causes ${top_builddir}/Makefile.comm.in to be rebuilt,
# BEFORE any sub-directory specific Makefile is updated.
#
# Since ${top_builddir}/Makefile.comm is also required by each individual
# sub-directory Makefile, and since all sub-directory makefiles are ALWAYS
# updated along with ${top_builddir}/Makefile.comm, we may simply declare
# the dependency...
#
Makefile: ${top_builddir}/Makefile.comm
# ...then by adding Makefile.in as an artificial prerequisite of this,
# together with its own real dependence on ${top_builddir}/config.status
# and ${top_srcdir}/Makefile.comm.in, we can simply rely on the mutually
# effective rebuilding side effects to update both the subdirectory's own
# Makefile, and ${top_builddir}/Makefile.comm, in a single operation.
#
${top_builddir}/Makefile.comm: ${top_builddir}/config.status
${top_builddir}/Makefile.comm: Makefile.in ${top_srcdir}/Makefile.comm.in
cd ${top_builddir} && $(SHELL) config.status
# ${top_builddir}/config.status must itself be updated, at any time when
# ${top_srcdir}/configure has been modified; this is a distinct operation
# from the rebuilding of makefiles.
#
${top_builddir}/config.status: ${top_srcdir}/configure
cd ${top_builddir} && $(SHELL) config.status --recheck
# Makefile.comm.in: end of file

11
winsup/w32api/Makefile.in
View File

@ -109,9 +109,18 @@ endif
snapshot:
make dist SNAPDATE=$(shell date '+%Y%m%d')
Makefile: Makefile.in config.status configure
# Makefile must be rebuilt if Makefile.in is modified,
# or if config.status is updated.
#
Makefile: Makefile.in config.status
$(SHELL) config.status
# config.status itself must be updated if configure is modified;
# this requires a distinct invocation of itself.
#
config.status: configure
$(SHELL) config.status --recheck
mostlyclean-top:
rm -f *~

3
winsup/w32api/lib/Makefile.in
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@ -214,7 +214,4 @@ dist:
(cd $$dir; $(MAKE) distdir=../${distdir} dist); \
done
Makefile: Makefile.in ../config.status ../configure
cd ..; $(SHELL) config.status
# Makefile.in: end of file

3
winsup/w32api/lib/ddk/Makefile.in
View File

@ -122,7 +122,4 @@ dist:
cp -p ${srcdir}/$$file ${distdir}/lib/ddk; \
done
Makefile: Makefile.in ../../config.status ../../configure
cd ../..; $(SHELL) config.status
# Makefile.in: end of file

3
winsup/w32api/lib/directx/Makefile.in
View File

@ -150,7 +150,4 @@ dist:
cp -p ${srcdir}/$$file ${distdir}/lib/directx; \
done
Makefile: Makefile.in ../../config.status ../../configure
cd ../..; $(SHELL) config.status
# Makefile.in: end of file