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authorFelix Fietkau <nbd@openwrt.org>2011-04-03 03:40:09 +0000
committerFelix Fietkau <nbd@openwrt.org>2011-04-03 03:40:09 +0000
commit591cf771431b5ca45f4c16734fdc14c81f8d8f69 (patch)
tree1b77057d589fb2f22fd3ecdb85f4a5aa59f0a4b4 /include
parentb818c82243218e3ae4dc028cafc0b7360c3320d4 (diff)
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build: reduce the amount of generated make code for the initial prereq scan - makes it about 20% faster
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@26436 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'include')
-rw-r--r--include/subdir.mk9
1 files changed, 7 insertions, 2 deletions
diff --git a/include/subdir.mk b/include/subdir.mk
index 72fec8944d..d079be118e 100644
--- a/include/subdir.mk
+++ b/include/subdir.mk
@@ -5,7 +5,12 @@
# See /LICENSE for more information.
#
-SUBTARGETS:=clean download prepare compile install update refresh prereq dist distcheck configure
+ifeq ($(MAKECMDGOALS),prereq)
+ SUBTARGETS:=prereq
+ PREREQ_ONLY:=1
+else
+ SUBTARGETS:=clean download prepare compile install update refresh prereq dist distcheck configure
+endif
subtarget-default = $(filter-out ., \
$(if $($(1)/builddirs-$(2)),$($(1)/builddirs-$(2)), \
@@ -37,7 +42,7 @@ define subdir
$(foreach variant,$(if $(BUILD_VARIANT),$(BUILD_VARIANT),$(if $(strip $($(1)/$(bd)/variants)),$($(1)/$(bd)/variants),$(if $($(1)/$(bd)/default-variant),$($(1)/$(bd)/default-variant),__default))),
$(if $(call debug,$(1)/$(bd),v),,@)+$(if $(BUILD_LOG),set -o pipefail;) $$(SUBMAKE) -C $(1)/$(bd) $(target) BUILD_VARIANT="$(filter-out __default,$(variant))" $(if $(BUILD_LOG),SILENT= 2>&1 | tee $(BUILD_LOG_DIR)/$(1)/$(bd)/$(target).txt) $(if $(findstring $(bd),$($(1)/builddirs-ignore-$(target))), || $(call MESSAGE, ERROR: $(1)/$(bd) failed to build$(if $(filter-out __default,$(variant)), (build variant: $(variant))).))
)
- $(if $(DUMP_TARGET_DB),,
+ $(if $(PREREQ_ONLY)$(DUMP_TARGET_DB),,
# legacy targets
$(call warn_eval,$(1)/$(bd),l,T,$(1)/$(bd)-$(target): $(1)/$(bd)/$(target))
# aliases