scc

commit 6658e6edcecad1c26e6b0cfcd06ad08992481356
parent 2401a9b700aa6dff9aa786f4d17a7dcd48e933b9
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Mon, 25 Jan 2016 10:43:25 +0100

Make Makefiles more user friendly

CFLAGS and LDFLAGS are user variables. If we use a new set of defined flags
we allow to the user to modify the behaviour of the Makefile using
environment variables.

Diffstat:
M
cc1/Makefile
 | 
3
+--
M
cc2/Makefile
 | 
2
+-
M
config.mk
 | 
15
++++++++++-----

3 files changed, 12 insertions(+), 8 deletions(-)
diff --git a/cc1/Makefile b/cc1/Makefile
@@ -10,7 +10,7 @@ all: cc1
 $(OBJS) : cc1.h ../inc/cc.h ../inc/sizes.h arch/$(ARCH)/arch.h
 
 cc1: $(OBJS) ../lib/libcc.a
-	$(CC) $(LDFLAGS) $(OBJS) ../lib/libcc.a -o $@
+	$(CC) $(SLDFLAGS) $(LDFLAGS) $(OBJS) ../lib/libcc.a -o $@
 
 cpp: cc1
 	ln -f cc1 cpp
@@ -21,4 +21,3 @@ test:
 clean:
 	rm -f $(OBJS)
 	rm -f cc1 cpp
-
diff --git a/cc2/Makefile b/cc2/Makefile
@@ -16,7 +16,7 @@ error.h: cc2.h
 	awk -f generror cc2.h > $$$$.h && mv $$$$.h $@
 
 cc2: $(OBJS) ../lib/libcc.a
-	$(CC) $(LDFLAGS) $(OBJS) ../lib/libcc.a -o $@
+	$(CC) $(SLDFLAGS) $(LDFLAGS) $(OBJS) ../lib/libcc.a -o $@
 
 clean:
 	rm -f $(OBJS)
diff --git a/config.mk b/config.mk
@@ -10,10 +10,15 @@ PREFIX    = $(HOME)
 MANPREFIX = ${PREFIX}/share/man
 
 # if your system is not POSIX maybe you want to use cc or gcc
-CC = c99
-LD = $(CC)
-AR = ar
+# CC = c99
+# AR = ar
 
 # for Plan9 add -D_SUSV2_SOURCE -DNBOOL
-CFLAGS   = -DNDEBUG -Iarch/$(ARCH) -DPREFIX=\""$(PREFIX)"\"
-LDFLAGS  = -s
+SCFLAGS = -DNDEBUG -Iarch/$(ARCH) -DPREFIX=\""$(PREFIX)"\"
+SLDFLAGS  = -s
+
+.c.o:
+	$(CC) $(SCFLAGS) $(CFLAGS) -o $@ -c $<
+
+.c:
+	$(CC) $(SCFLAGS) $(CFLAGS) -o $@ $<