[MLton-commit] r6982

[Wesley Terpstra]

Modify the example building Makefile to:
1. Only build iimport with the 'all' target, defaulting to 'all-win32'
2. Capture the dependency on generated header files to ensure they build first
3. Use pattern rules to build targets with the same recipe


----------------------------------------------------------------------

U   mlton/trunk/doc/examples/ffi/Makefile

----------------------------------------------------------------------

Modified: mlton/trunk/doc/examples/ffi/Makefile
===================================================================
--- mlton/trunk/doc/examples/ffi/Makefile	2008-11-10 12:20:42 UTC (rev 6981)
+++ mlton/trunk/doc/examples/ffi/Makefile	2008-11-11 20:41:42 UTC (rev 6982)
@@ -6,31 +6,26 @@
  # See the file MLton-LICENSE for details.
  ##
 
-PATH := ../../../build/bin:$(shell echo $$PATH)
-
+PATH  := ../../../build/bin:$(shell echo $$PATH)
 mlton := mlton -default-ann 'allowFFI true'
 
-.PHONY: all
-all: import import2 export iimport test_quot
+.PHONY: all all-win32
+all-win32: import import2 export test_quot
 	./import
 	./import2
 	./export
-	./iimport
 	./test_quot
+all:	all-win32 iimport
+	./iimport
 
-export: export.sml ffi-export.c
-	$(mlton) -export-header export.h -stop tc export.sml
-	$(mlton) -stop o ffi-export.c
-	$(mlton) export.sml ffi-export.o
-
+export: export.sml ffi-export.o
 import: import.sml ffi-import.o
-	$(mlton) import.sml ffi-import.o
-
 import2: import2.sml ffi-import.o
-	$(mlton) import2.sml ffi-import.o
+test_quot : test_quot.sml c_quot.o
 
-ffi-import.o:
-	$(mlton) -stop o ffi-import.c
+ffi-import.o: export.h
+ffi-export.o: export.h
+c_quot.o : test_quot.h
 
 iimport: iimport.sml
 	$(mlton) 				\
@@ -38,14 +33,12 @@
 		-target-link-opt solaris -ldl	\
 		iimport.sml
 
-c_quot.o : c_quot.c test_quot.h
-	$(mlton) -stop o c_quot.c
+%.o:	%.c
+	$(mlton) -stop o $<
+%.h:	%.sml
+	$(mlton) -export-header $@ -stop tc $<
+%:
+	$(mlton) -output $@ $^
 
-test_quot.h : test_quot.sml
-	$(mlton) -export-header test_quot.h -stop tc test_quot.sml
-
-test_quot : test_quot.sml c_quot.o
-	$(mlton) test_quot.sml c_quot.o
-
 clean:
 	../../../bin/clean