P04 lab code added

P04_Modularisieren_von_C_Code/show-dependencies/Makefile

@@ -0,0 +1,65 @@
+SNP_SHARED_MAKEFILE := $(if $(SNP_SHARED_MAKEFILE),$(SNP_SHARED_MAKEFILE),"~/snp/shared.mk")
+
+TARGET     := bin/dep2dot
+# Add all additional c-files to the SOURCES variable
+# BEGIN-STUDENTS-TO-ADD-CODE
+SOURCES    := src/main.c
+# END-STUDENTS-TO-ADD-CODE
+TSTSOURCES := tests/tests.c
+
+include $(SNP_SHARED_MAKEFILE)
+
+
+# DEPFILES :=  ... define a list of png file names: %.c -> %.c.png
+# BEGIN-STUDENTS-TO-ADD-CODE
+
+
+# END-STUDENTS-TO-ADD-CODE
+
+
+
+# define dep target as .PHONEY
+# BEGIN-STUDENTS-TO-ADD-CODE
+
+
+# BEGIN-STUDENTS-TO-ADD-CODE
+
+
+
+# define dep target depending on FULLTARGET and DEPFILES above
+# action: echo some text telling that the target is done using $@ - the echo command shall not be echoed before execution
+# BEGIN-STUDENTS-TO-ADD-CODE
+
+
+# BEGIN-STUDENTS-TO-ADD-CODE
+
+
+
+# define new suffix rule for %.png depending on %.dot
+# action: dot -Tpng $< >$@ || $(RM) $@
+# BEGIN-STUDENTS-TO-ADD-CODE
+
+
+# BEGIN-STUDENTS-TO-ADD-CODE
+
+
+
+# define new suffix rule for %.dot depending on %.dep
+# action: call $(TARGET) $(@:.dot=) <$< >$@ || $(RM) $@
+# BEGIN-STUDENTS-TO-ADD-CODE
+
+
+# BEGIN-STUDENTS-TO-ADD-CODE
+
+
+
+# converts any .c file into a .c.dep file by means of GCC -H switch
+# note: it removes intermediate files which were created as side effect
+%.c.dep: %.c
+	$(COMPILE.c) -H -o $@.x $< 2>$@ && $(RM) $@.x $@.d
+
+
+# cleanup all results, including the ones od creating the dependencies
+dep-clean: clean
+	$(RM) $(DEPFILES) $(wildcard src/*.dep src/*.dot)
+