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authorGravatar Thomas Petazzoni <thomas.petazzoni@free-electrons.com>2010-06-20 15:08:15 +0200
committerGravatar Thomas Petazzoni <thomas.petazzoni@free-electrons.com>2010-07-07 08:14:41 +0200
commit26082e79af64550d16fb1e314a904456b90a464e (patch)
tree37209f8e320b1411c61bed08a2f7d326d637bd47 /Makefile
parent0ab16a01bbe02d37ad2daa007fdb5a0de0ff9eab (diff)
downloadbuildroot-26082e79af64550d16fb1e314a904456b90a464e.tar.gz
buildroot-26082e79af64550d16fb1e314a904456b90a464e.tar.bz2
Introduce support for host config cache
We now have for quite some time a configuration cache used to speed-up the execution of ./configure scripts when compiling programs for the target. This commit introduces a similar concept when Buildroot compiles programs for the host. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Diffstat (limited to 'Makefile')
-rw-r--r--Makefile8
1 files changed, 4 insertions, 4 deletions
diff --git a/Makefile b/Makefile
index df276c11bb..d6bcb36f01 100644
--- a/Makefile
+++ b/Makefile
@@ -441,12 +441,12 @@ show-targets:
@echo $(TARGETS)
ifeq ($(BR2_CONFIG_CACHE),y)
-# drop configure cache if configuration is changed
-$(BUILD_DIR)/tgt-config.cache: $(CONFIG_DIR)/.config
+# drop configure caches if configuration is changed
+$(BUILD_DIR)/tgt-config.cache $(BUILD_DIR)/host-config.cache: $(CONFIG_DIR)/.config
rm -f $@
touch $@
-$(BASE_TARGETS): | $(BUILD_DIR)/tgt-config.cache
+$(BASE_TARGETS): | $(BUILD_DIR)/tgt-config.cache $(BUILD_DIR)/host-config.cache
endif
else # ifeq ($(BR2_HAVE_DOT_CONFIG),y)
@@ -580,7 +580,7 @@ endif
rm -rf $(CONFIG_DIR)/.config $(CONFIG_DIR)/.config.old $(CONFIG_DIR)/.config.cmd $(CONFIG_DIR)/.auto.deps
flush:
- rm -f $(BUILD_DIR)/tgt-config.cache
+ rm -f $(BUILD_DIR)/tgt-config.cache $(BUILD_DIR)/host-config.cache
%_defconfig: $(TOPDIR)/configs/%_defconfig
cp $^ $(CONFIG_DIR)/.config