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Regenerate Makefile.config automatically if config.status has changed.

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Thus, if I edit e.g. the CFLAGS settings in configure.in:
- Makefile runs autoconf to update configure.
- Makefile runs config.status --recheck to update config.status.
- Makefile runs config.status to update Makefile.config.
  (GNU Make implicitly tries to keep included makefiles up to date.)
- src/**/Makefile use the CFLAGS from the updated Makefile.config.
  (Source files will not be automatically recompiled, however.
   If that is ever implemented, Makefile.config should be given
   a separate timestamp file like config.h has.)
This commit is contained in:
Kalle Olavi Niemitalo 2005-12-06 14:59:06 +01:00 committed by Jonas Fonseca
parent 5882b24ea3
commit 6c2d5f855f
1 changed files with 7 additions and 0 deletions
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7
Makefile
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@ -18,6 +18,13 @@ $(ACLOCAL_M4): $(top_srcdir)/configure.in $(top_srcdir)/acinclude.m4
$(top_srcdir)/configure: $(top_srcdir)/configure.in $(ACLOCAL_M4)
cd $(top_srcdir) && $(AUTOCONF)
# Makefile.config doesn't need a separate timestamp file because
# touching it doesn't directly cause other files to be rebuilt.
$(top_builddir)/Makefile.config: $(top_srcdir)/Makefile.config.in $(top_builddir)/config.status
cd $(top_builddir) \
&& CONFIG_FILES=Makefile.config CONFIG_HEADERS= \
$(SHELL) ./config.status
$(top_builddir)/config.h: $(top_builddir)/stamp-h
@cd $(top_builddir) && \
if test ! -f $@; then \