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btrfs-progs: build: add per-tool cflags variable

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The standalone tools are built from pattern rules, add support for
per-tool cflaags, like btrfs_something_clfags.

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2016-08-23 18:04:37 +02:00
parent b762b78a60
commit aa07e4be00
1 changed files with 5 additions and 2 deletions
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7
Makefile.in
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@ -221,15 +221,18 @@ endif
%.o.d: %.c
$(Q)$(CC) -MM -MG -MF $@ -MT $(@:.o.d=.o) -MT $(@:.o.d=.static.o) -MT $@ $(CFLAGS) $<
#
# Pick from per-file variables, btrfs_*_cflags
#
.c.o:
@$(check_echo) " [SP] $<"
$(Q)$(check) $(CFLAGS) $(CHECKER_FLAGS) $<
@echo " [CC] $@"
$(Q)$(CC) $(CFLAGS) -c $<
$(Q)$(CC) $(CFLAGS) -c $< $($(subst -,_,$(@:%.o=%)-cflags))
%.static.o: %.c
@echo " [CC] $@"
$(Q)$(CC) $(STATIC_CFLAGS) -c $< -o $@
$(Q)$(CC) $(STATIC_CFLAGS) -c $< -o $@ $($(subst -,_,$(@:%.static.o=%)-cflags))
all: $(progs) $(BUILDDIRS)
$(SUBDIRS): $(BUILDDIRS)