playground for makefiles

exemples/make/.gitignore

+*.o
+main

exemples/make/Makefile

+CC = gcc
+CFLAGS = -g -Wall -O0 -std=c11
+LDFLAGS = -lm
+
+# SOURCES = main.c foo.c bar.c
+# means *.c
+SOURCES = $(wildcard *.c)
+# OBJECTS contient SOURCES avec .c -> .o
+OBJECTS = $(SOURCES:.c=.o)
+
+# OBJECTS := $(patsubst %.c,%.o,$(wildcard *.c))
+
+# galaxy sera l'exécutable (galaxy.c contient le main)
+TARGET = main
+$(TARGET) : $(OBJECTS)
+	$(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS)
+
+# main: main.o foo.o bar.o
+# 	cc -o $@ $^ $(CFLAGS) $(LDFLAGS)
+# 
+# foo.o: foo.h
+# bar.o: bar.h
+# main.o: foo.h
+
+.PHONY: clean
+
+clean:
+	rm -f $(TARGET) $(OBJECTS)
+
+# clean:
+# 	rm -f *.o main
\ No newline at end of file

exemples/make/bar.c

+#include "bar.h"
+#include "foo.h"
+
+void bar() {
+    foo();
+}
\ No newline at end of file

exemples/make/bar.h

+#ifndef _BAR_H_
+#define _BAR_H_
+
+void bar();
+
+#endif

exemples/make/foo.c

+#include "foo.h"
+
+void foo() {
+
+}
\ No newline at end of file

exemples/make/foo.h

+#ifndef _FOO_H_
+#define _FOO_H_
+
+void foo();
+
+#endif

exemples/make/main.c

+#include "foo.h"
+
+int main() {
+    foo();
+    return 0;
+}
\ No newline at end of file