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-rw-r--r--Makefile11
1 files changed, 11 insertions, 0 deletions
diff --git a/Makefile b/Makefile
index 1aca7885a9..9f9f0628d0 100644
--- a/Makefile
+++ b/Makefile
@@ -78,6 +78,11 @@ CONFIG_SHELL:=$(shell if [ -x "$$BASH" ]; then echo $$BASH; \
export CONFIG_SHELL quiet Q KBUILD_VERBOSE VERBOSE
+HOSTCCACHE:=$(shell $(CONFIG_SHELL) -c "which ccache")
+ifneq ($(HOSTCCACHE),)
+BR2_HAVE_HOST_CCACHE=y
+endif
+
ifndef HOSTAR
HOSTAR:=ar
endif
@@ -124,6 +129,12 @@ endif
ifndef FCFLAGS_FOR_BUILD
FCFLAGS_FOR_BUILD:=-g -O2
endif
+
+ifeq ($(BR2_HAVE_HOST_CCACHE),y)
+HOSTCC:=$(HOSTCCACHE) $(HOSTCC)
+HOSTCXX:=$(HOSTCCACHE) $(HOSTCXX)
+endif
+
export HOSTAR HOSTAS HOSTCC HOSTCXX HOSTFC HOSTLD