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changeset 9965:a7e288044ef7

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avoid cp -a --update
author John W. Eaton <jwe@octave.org>
date Fri, 11 Dec 2009 13:30:16 -0500
parents b7bc27413655
children d4dab9605c49
files ChangeLog common.mk scripts/ChangeLog scripts/Makefile.am src/ChangeLog src/Makefile.am
diffstat 6 files changed, 24 insertions(+), 3 deletions(-) [+]
line wrap: on
line diff
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2009-12-11  John W. Eaton  <jwe@octave.org>
+
+	* common.mk (cp_update_rule): New macro.
+
 2009-12-10  John W. Eaton  <jwe@octave.org>
 
 	* mkoctfile.in, mkoctfile.cc.in: If output file is specified and
--- a/common.mk
+++ b/common.mk
@@ -435,6 +435,13 @@
 fi
 endef
 
+define cp_update_rule
+if [ "x$(srcdir)" != "x." ] && [ -f $(srcdir)/$@ ] && [ ! -f $@ ]; then \
+  cp $(srcdir)/$@ $@; \
+  touch -r $(srcdir)/$@ $@; \
+fi
+endef
+
 # Yes, the second sed command near the end is needed, to avoid limits
 # in command lengths for some versions of sed.  UGLY_DEFS is often
 # quite large, so it makes sense to split this command there.
--- a/scripts/ChangeLog
+++ b/scripts/ChangeLog
@@ -1,3 +1,8 @@
+2009-12-11  John W. Eaton  <jwe@octave.org>
+
+	* Makefile.am (DOCSTRINGS): Use $(cp_update_rule) instead of
+	cp -a --update.
+
 2009-12-09  Rik <octave@nomad.inbox5.com>
 
 	* Makefile.am: Copy DOCSTRINGS from srcdir to builddir if it does not
--- a/scripts/Makefile.am
+++ b/scripts/Makefile.am
@@ -328,8 +328,8 @@
 
 all-local: $(GEN_FCN_FILES) $(PKG_ADD_FILES) DOCSTRINGS
 
-DOCSTRINGS: mkdoc $(FCN_FILES) $(GEN_FCN_FILES) gethelp$(BUILD_EXEEXT) 
-	@cp -a --update $(srcdir)/$@ $@ ; exit 0;
+DOCSTRINGS: mkdoc $(FCN_FILES) $(GEN_FCN_FILES) gethelp$(BUILD_EXEEXT)
+	$(cp_update_rule)
 	$(srcdir)/mkdoc "$(srcdir)" $(FCN_FILES) -- $(GEN_FCN_FILES) > $@-t
 	$(simple_move_if_change_rule)
 
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,8 @@
+2009-12-11  John W. Eaton  <jwe@octave.org>
+
+	* Makefile.am (DOCSTRINGS): Use $(cp_update_rule) instead of
+	cp -a --update.
+
 2009-12-10  Rik <octave@nomad.inbox5.com>
 
 	* Makefile.am: distclean symbolic links for OCT_FILES
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -629,7 +629,7 @@
 	mv $@-t $@
 
 DOCSTRINGS: gendoc$(BUILD_EXEEXT)
-	@cp -a --update $(srcdir)/$@ $@ ; exit 0;
+	$(cp_update_rule)
 	./gendoc > $@-t
 	$(simple_move_if_change_rule)