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-rw-r--r--make.html.markdown9
1 files changed, 8 insertions, 1 deletions
diff --git a/make.html.markdown b/make.html.markdown
index 63eb3eb7..47e3b457 100644
--- a/make.html.markdown
+++ b/make.html.markdown
@@ -111,13 +111,20 @@ small/%.png: %.svg
%.png: %.svg
@echo this rule is chosen
-# however make will use the first pattern rule that can make the target
+# However make will use the first pattern rule that can make the target
%.png: %.ps
@echo this rule is not chosen if %.svg and %.ps are both present
# make already has some pattern rules built-in. For instance, it knows
# how to turn *.c files into *.o files.
+# Older makefiles might use suffix rules instead of pattern rules
+.png.ps:
+ @echo this rule is similar to a pattern rule.
+
+# Tell make about the suffix rule
+.SUFFIXES: .png
+
#-----------------------------------------------------------------------
# Variables
#-----------------------------------------------------------------------