diff options
| author | Jan Engelhardt <jengelh@computergmbh.de> | 2007-09-14 10:31:10 -0400 |
|---|---|---|
| committer | David Woodhouse <dwmw2@hera.kernel.org> | 2007-09-14 10:31:10 -0400 |
| commit | f6f922953798e6d2f5a864b48b4f37d998bb3a6d (patch) | |
| tree | 46369dc8cc6fcd02cc2f76683bea29c61c3ad50c /Makefile | |
| parent | ddcaa0171a677a76078c6e0ad54c2f8033110a6f (diff) | |
Add per-file dependency tracking
The dependency archive ".depend" is only created once.
Changing a C file's dependencies does not remake .depend,
so make will recompile either too few or too many things.
Use of per-.c file dependencies that are created and update
during compile solve this.
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 14 |
1 files changed, 4 insertions, 10 deletions
@@ -6,6 +6,7 @@ objects = ctree.o disk-io.o radix-tree.o extent-tree.o print-tree.o \ # CHECKFLAGS=-D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ -Wbitwise \ -Wuninitialized -Wshadow -Wundef +DEPFLAGS = -Wp,-MMD,$(@D)/.$(@F).d,-MT,$@ INSTALL= install prefix ?= /usr/local @@ -22,16 +23,11 @@ endif .c.o: $(check) $< - $(CC) $(CFLAGS) -c $< + $(CC) $(DEPFLAGS) $(CFLAGS) -c $< all: $(progs) -$(progs): depend - -depend: - @$(CC) -MM $(ALL_CFLAGS) *.c 1> .depend - btrfsctl: btrfsctl.o gcc $(CFLAGS) -o btrfsctl btrfsctl.o @@ -51,12 +47,10 @@ quick-test: $(objects) quick-test.o gcc $(CFLAGS) -o quick-test $(objects) quick-test.o clean : - rm -f $(progs) cscope.out *.o .depend + rm -f $(progs) cscope.out *.o .*.d install: $(progs) $(INSTALL) -m755 -d $(DESTDIR)$(bindir) $(INSTALL) $(progs) $(DESTDIR)$(bindir) -ifneq ($(wildcard .depend),) -include .depend -endif +-include .*.d |