[PATCH 1/1] build: delete the default .SUFFIXES

diff --git a/f4/e6cec47f203442237f5065dee378220378497e b/f4/e6cec47f203442237f5065dee378220378497e
new file mode 100644 (file)
index 0000000..9b538f0
--- /dev/null
+++ b/f4/e6cec47f203442237f5065dee378220378497e
@@ -0,0 +1,76 @@
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+From: Tomi Ollila <tomi.ollila@iki.fi>\r
+To: notmuch@notmuchmail.org\r
+Subject: [PATCH 1/1] build: delete the default .SUFFIXES\r
+Date: Sat, 25 Jan 2014 14:33:55 +0200\r
+Message-Id: <1390653235-4291-1-git-send-email-tomi.ollila@iki.fi>\r
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+\r
+All implicit rules in notmuch Makefiles are "pattern rules"; Deleting the\r
+default suffixes (to support obsolete, old-fashioned "suffix rules") from\r
+make reduces the output of 'make -d' by 40 to 90 percent, helping e.g.\r
+debugging make problems.\r
+---\r
+\r
+output size comparisons:\r
+\r
+full-build: script -c 'make -d'\r
+\r
+ 3159626 Jan 25 14:21 typescript-with-suffixes\r
+  430453 Jan 25 14:22 typescript-sans-suffixes\r
+\r
+build with nothing to do:\r
+\r
+ 3054310 Jan 25 12:10 typescript-with-suffixes\r
+ 5435585 Jan 25 12:07 typescript-sans-suffixes\r
+\r
+ Makefile.local | 2 ++\r
+ 1 file changed, 2 insertions(+)\r
+\r
+diff --git a/Makefile.local b/Makefile.local\r
+index c85e09c..174506c 100644\r
+--- a/Makefile.local\r
++++ b/Makefile.local\r
+@@ -325,3 +325,5 @@ DISTCLEAN := $(DISTCLEAN) .first-build-message Makefile.config\r
+ DEPS := $(SRCS:%.c=.deps/%.d)\r
+ DEPS := $(DEPS:%.cc=.deps/%.d)\r
+ -include $(DEPS)\r
++\r
++.SUFFIXES: # Delete the default suffixes. Old-Fashioned Suffix Rules not used.\r
+-- \r
+1.8.0\r
+\r