[patch] Regenerate Makefile.config automatically if config.status has changed.

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

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.)

---
commit f6676baf0d70728f84f46333a2fec1f59393ecbf
tree 72b361365c13c3696bc8d4859301f7011767db52
parent 6d324509e18bd810e3465c56734c021cd81ab042
author Kalle Olavi Niemitalo <[email protected]> Tue, 06 Dec 2005 15:15:27 +0200
committer Kalle Olavi Niemitalo <[email protected]> Tue, 06 Dec 2005 15:15:27 +0200

 Makefile |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/Makefile b/Makefile
index 1c788d5..bf5296e 100644
--- a/Makefile
+++ b/Makefile
@@ -18,6 +18,13 @@ $(ACLOCAL_M4): $(top_srcdir)/configure.i
 $(top_srcdir)/configure: $(top_srcdir)/configure.in $(ACLOCAL_M4)
 	cd $(top_srcdir) && $(AUTOCONF)
 
+# Makefile.config doesn't have need a separate stamp file because
+# its timestamp 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 \
!-------------------------------------------------------------flip-
Fix comments added in my previous commit.
(It was commit f6676baf0d70728f84f46333a2fec1f59393ecbf.)

---
commit d66e3b41a812583c63472a1a012672f9a831659e
tree 873e0e8c87bb458a7df8d04a60b0dc0ed8c8fdd4
parent f6676baf0d70728f84f46333a2fec1f59393ecbf
author Kalle Olavi Niemitalo <[email protected]> Tue, 06 Dec 2005 15:18:11 +0200
committer Kalle Olavi Niemitalo <[email protected]> Tue, 06 Dec 2005 15:18:11 +0200

 Makefile |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index bf5296e..08d92fe 100644
--- a/Makefile
+++ b/Makefile
@@ -18,8 +18,8 @@ $(ACLOCAL_M4): $(top_srcdir)/configure.i
 $(top_srcdir)/configure: $(top_srcdir)/configure.in $(ACLOCAL_M4)
 	cd $(top_srcdir) && $(AUTOCONF)
 
-# Makefile.config doesn't have need a separate stamp file because
-# its timestamp doesn't directly cause other files to be rebuilt.
+# 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= \

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