build: improve ccache support

[openwrt/staging/dangole.git] / include / package.mk

diff --git a/include/package.mk b/include/package.mk
index 057569274251805b58a08314b2a5478e31ffd4f1..a93d6b78f3261f27b72d940dda52ef6b16ca5653 100644 (file)
--- a/include/package.mk
+++ b/include/package.mk
@@ -173,7 +173,9 @@ define Build/Exports/Default
   $(1) : export CONFIG_SITE:=$$(CONFIG_SITE)
   $(1) : export PKG_CONFIG_PATH:=$$(PKG_CONFIG_PATH)
   $(1) : export PKG_CONFIG_LIBDIR:=$$(PKG_CONFIG_PATH)
-  $(if $(CONFIG_CCACHE),$(1) : export CCACHE_DIR:=$(STAGING_DIR)/ccache)
+  $(if $(CONFIG_CCACHE),$(1) : export CCACHE_BASEDIR:=$(TOPDIR))
+  $(if $(CONFIG_CCACHE),$(1) : export CCACHE_DIR:=$(if $(call qstrip,$(CONFIG_CCACHE_DIR)),$(call qstrip,$(CONFIG_CCACHE_DIR)),$(TOPDIR)/.ccache))
+  $(if $(CONFIG_CCACHE),$(1) : export CCACHE_COMPILERCHECK:=%compiler% -dumpmachine; %compiler% -dumpversion)
 endef
 Build/Exports=$(Build/Exports/Default)