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build: improve dependency file generation

cute-signatures
Timo Teras 2009-04-16 17:54:28 +03:00
parent ec5b63c5e4
commit 97a71cc5c3
1 changed files with 2 additions and 3 deletions
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5
Make.rules
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@ -172,7 +172,7 @@ if_changed_rule = $(if $(strip $(any-prereq) $(arg-check) ), \
#####
# Handle options to gcc.
c_flags = -Wp,-MD,$(depfile) $(CFLAGS_ALL) $(CFLAGS_$(notdir $@))
c_flags = -Wp,-MD,$(depfile),-MT,$@ $(CFLAGS_ALL) $(CFLAGS_$(notdir $@))
ld_flags = $(LDFLAGS_ALL) $(LDFLAGS_$(notdir $@))
#####
@ -183,8 +183,7 @@ cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $<
define rule_cc_o_c
$(call echo-cmd,cc_o_c) $(cmd_cc_o_c); \
(echo 'cmd_$@ := $(call make-cmd,cc_o_c)'; \
echo -n "\n$(obj)/" ; cat $(depfile)) \
(echo 'cmd_$@ := $(call make-cmd,cc_o_c)'; echo; cat $(depfile)) \
> $(dot-target).cmd ; \
rm $(depfile)
endef