tools: use implicit rules in Makefile

Such change simplifies support for external build environment. Signed-off-by: Adam Wujek <adam.wujek@cern.ch>

tools: use implicit rules in Makefile
Such change simplifies support for external build environment. Signed-off-by: Adam Wujek <adam.wujek@cern.ch>
62c34f74 · Adam Wujek · bd9ee169 · 62c34f74
Commit 62c34f74 authored Oct 26, 2015 by Adam Wujek 💬
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Showing with 7 additions and 8 deletions

Makefile tools/Makefile +7 -8

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--- a/tools/Makefile
+++ b/tools/Makefile
@@ -8,13 +8,16 @@
 # include parent_common.mk for buildsystem's defines
 REPO_PARENT=../..
 -include $(REPO_PARENT)/fmc_common.mk
 M = $(shell /bin/pwd)/../kernel
 DESTDIR ?= /usr/local
 CFLAGS += -I$(M) -I../lib -I$(ZIO)/include -Wno-trigraphs -Wall -ggdb $(EXTRACFLAGS)
+LDFLAGS = -L../lib
+LDLIBS = -lfdelay
 CC ?= $(CROSS_COMPILE)gcc
 progs := fmc-fdelay-list
@@ -30,7 +33,9 @@ all modules: $(progs)
 clean:
 	rm -f $(progs) *.o *~
-$(progs): tools-util.o tools-common.h $(wildcard ../lib/*.[ch])
+COMMON_SRCS = tools-util.c
+$(progs): $(COMMON_SRCS:.c=.o)
 # make nothing for modules_install, but avoid errors
 modules_install:
@@ -39,9 +44,3 @@ install:
 	install -d $(DESTDIR)/bin
 	install -D $(progs) $(DESTDIR)/bin
-# we need this as we are out of the kernel
-%: %.c $(wildcard *.h)
-	$(CC) $(CFLAGS) -O2 $*.c tools-util.o \
-		-L../lib -lfdelay -o $@
-%.o: %.c  $(wildcard *.h)
-	$(CC) $(CFLAGS) -O2 -c $*.c -o $@