Makefile: fixup init.c dependency

[fio.git] / Makefile

diff --git a/Makefile b/Makefile
index a4a478d9b400968311a4fa66086ccc669d248a61..d097c05494e9adb21a3c6635fa39f02a94357aae 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -124,6 +124,7 @@ ifneq (,$(findstring CYGWIN,$(UNAME)))
 endif
 
 OBJS = $(SOURCE:.c=.o)
+-include $(OBJS:.o=.d)
 
 T_SMALLOC_OBJS = t/stest.o
 T_SMALLOC_OBJS += gettime.o mutex.o smalloc.o t/log.o
@@ -168,7 +169,7 @@ else
 mandir = $(prefix)/man
 endif
 
-all: .depend $(PROGS) $(SCRIPTS) FORCE
+all: $(PROGS) $(SCRIPTS) FORCE
 
 .PHONY: all install clean
 .PHONY: FORCE cscope
@@ -177,12 +178,18 @@ FIO-VERSION-FILE: FORCE
        @$(SHELL) ./FIO-VERSION-GEN
 -include FIO-VERSION-FILE
 
-CFLAGS += -DFIO_VERSION='"$(FIO_VERSION)"'
+override CFLAGS += -DFIO_VERSION='"$(FIO_VERSION)"'
 
-.c.o: .depend FORCE
+.c.o: FORCE FIO-VERSION-FILE
        $(QUIET_CC)$(CC) -o $@ $(CFLAGS) $(CPPFLAGS) -c $<
-
-init.o: FIO-VERSION-FILE
+       @$(CC) -MM $(CFLAGS) $(CPPFLAGS) $*.c > $*.d
+       @mv -f $*.d $*.d.tmp
+       @sed -e 's|.*:|$*.o:|' < $*.d.tmp > $*.d
+       @sed -e 's/.*://' -e 's/\\$$//' < $*.d.tmp | fmt -1 | \
+               sed -e 's/^ *//' -e 's/$$/:/' >> $*.d
+       @rm -f $*.d.tmp
+
+init.o: FIO-VERSION-FILE init.c
        $(QUIET_CC)$(CC) -o init.o $(CFLAGS) $(CPPFLAGS) -c init.c
 
 t/stest: $(T_SMALLOC_OBJS)
@@ -200,13 +207,8 @@ t/axmap: $(T_AXMAP_OBJS)
 fio: $(OBJS)
        $(QUIET_CC)$(CC) $(LDFLAGS) $(CFLAGS) -o $@ $(OBJS) $(LIBS) $(LDFLAGS)
 
-.depend: $(SOURCE)
-       $(QUIET_DEP)$(CC) -MM $(CFLAGS) $(CPPFLAGS) $(SOURCE) 1> .depend
-
-$(PROGS): .depend
-
 clean: FORCE
-       -rm -f .depend $(OBJS) $(T_OBJS) $(PROGS) $(T_PROGS) core.* core FIO-VERSION-FILE config-host.mak cscope.out
+       -rm -f .depend $(OBJS) $(T_OBJS) $(PROGS) $(T_PROGS) core.* core FIO-VERSION-FILE config-host.mak cscope.out *.d
 
 cscope:
        @cscope -b -R
@@ -217,7 +219,3 @@ install: $(PROGS) $(SCRIPTS) FORCE
        $(INSTALL) -m 755 -d $(DESTDIR)$(mandir)/man1
        $(INSTALL) -m 644 fio.1 $(DESTDIR)$(mandir)/man1
        $(INSTALL) -m 644 fio_generate_plots.1 $(DESTDIR)$(mandir)/man1
-
-ifneq ($(wildcard .depend),)
-include .depend
-endif