1999-07-01 Thomas Bushnell, BSG <tb@mit.edu>

	* i386/linux/Makefile.in: For each .o file in $(linux-objs)
	include a corresponding .d file, unless `no_deps' is `t'.
	(make-deps): New function.
	(%.d): New pattern rules for building %.d from %.c and %.S.

2 files changed, 32 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index 1ba950d..cb96bf6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+1999-07-01  Thomas Bushnell, BSG  <tb@mit.edu>
+
+	* i386/linux/Makefile.in: For each .o file in $(linux-objs)
+	include a corresponding .d file, unless `no_deps' is `t'.
+	(make-deps): New function.
+	(%.d): New pattern rules for building %.d from %.c and %.S.
+
 1999-06-29  Thomas Bushnell, BSG  <tb@mit.edu>
 
 	* vm/vm_resident.c (vm_page_grab): Don't bounce requests when
diff --git a/i386/linux/Makefile.in b/i386/linux/Makefile.in
index cdcabb3..80d008d 100644
--- a/i386/linux/Makefile.in
+++ b/i386/linux/Makefile.in
@@ -205,3 +205,28 @@ mostlyclean: distclean
 
 maintainer-clean: mostlyclean
 	rm -f $(srcdir)/configure
+
+
+
+#
+# Dependency generation
+#
+
+# Include dependency files
+ifneq ($(no_deps),t)
+
+# For each .o file we need a .d file.
+-include $(subst .o,.d,$(filter %.o,$(linux-objs))) /dev/null
+
+endif
+
+# Generic rule for $(CC) based compilation for making dependencies
+define make-deps
+set -e; $(CC) $(CFLAGS) $(CPPFLAGS) -M -MG $< | \
+	sed > $@.new -e 's/$*\.o:/$*.o $@:/'
+mv -f $@.new $@
+endef
+
+%.d: %.c $(before-compile); $(make-deps)
+%.d: %.S $(before-compile); $(make-deps)
+