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Add a rule for creating directories

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The tricky thing here is that if you have a directory as a
prerequisite, you need to declare it as a "order-only prerequisite"
("dir/prog: stuff | dir"), otherwise the target will be rebuilt every
time because the timestamp on the directory keeps changing.
This commit is contained in:
Eelco Dolstra 2013-11-25 09:17:02 +00:00
parent 4315acb8c0
commit e9b6397d2f
1 changed files with 19 additions and 9 deletions
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28
Makefile.lib
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@ -9,12 +9,21 @@ include Makefile.config
# Installing stuff.
define create-dir =
ifndef $(1)_SEEN
$(1)_SEEN = 1
$(1):
install -d $(1)
endif
endef
define install-file-in =
install:: $(1)/$(notdir $(2))
$(1)/$(notdir $(2)): $(2)
install -d $(1)
$$(eval $$(call create-dir,$(1)))
$(1)/$(notdir $(2)): $(2) | $(1)
install -t $(1) $(2)
endef
@ -139,7 +148,10 @@ define PROGRAMS_template =
$$($(1)_PATH): $$($(1)_OBJS) $$(_libs)
$(QUIET) $(CXX) -o $$@ $(GLOBAL_LDFLAGS) $$($(1)_OBJS) $$($(1)_LDFLAGS) $$(foreach lib, $$($(1)_LIBS), $$($$(lib)_LDFLAGS_USE))
$(1)_INSTALL_PATH := $$(bindir)/$(1)
$(1)_INSTALL_DIR := $$(bindir)
$(1)_INSTALL_PATH := $$($(1)_INSTALL_DIR)/$(1)
$$(eval $$(call create-dir,$$($(1)_INSTALL_DIR)))
install:: $$($(1)_INSTALL_PATH)
@ -147,15 +159,13 @@ define PROGRAMS_template =
_libs_final := $$(foreach lib, $$($(1)_LIBS), $$($$(lib)_INSTALL_PATH))
$$($(1)_INSTALL_PATH): $$($(1)_OBJS) $$(_libs_final)
install -d $$(dir $$($(1)_INSTALL_PATH))
$(QUIET) $(CXX) -o $$($(1)_INSTALL_PATH) $(GLOBAL_LDFLAGS) $$($(1)_OBJS) $$($(1)_LDFLAGS) $$(foreach lib, $$($(1)_LIBS), $$($$(lib)_LDFLAGS_USE_INSTALLED))
$$($(1)_INSTALL_PATH): $$($(1)_OBJS) $$(_libs_final) | $$($(1)_INSTALL_DIR)
$(QUIET) $(CXX) -o $$@ $(GLOBAL_LDFLAGS) $$($(1)_OBJS) $$($(1)_LDFLAGS) $$(foreach lib, $$($(1)_LIBS), $$($$(lib)_LDFLAGS_USE_INSTALLED))
else
$$($(1)_INSTALL_PATH): $$($(1)_PATH)
install -d $$(dir $$($(1)_INSTALL_PATH))
cp $$< $$@
$$($(1)_INSTALL_PATH): $$($(1)_PATH) | $$($(1)_INSTALL_DIR)
install -t $$($(1)_INSTALL_DIR) $$<
endif