[OE-core] [PATCHv3] toolchain-script: Add support for ccache builds with the SDK

[Laszlo Papp]

It is necessary to have an SDK for developers who build their software with
ccache to speed up the compilation. Without resolving this, unfortunately the
compilation will fail for them.

Signed-off-by: Laszlo Papp <lpapp at kde.org>
---
 meta/classes/toolchain-scripts.bbclass | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/meta/classes/toolchain-scripts.bbclass b/meta/classes/toolchain-scripts.bbclass
index d5b9675..9836db4 100644
--- a/meta/classes/toolchain-scripts.bbclass
+++ b/meta/classes/toolchain-scripts.bbclass
@@ -19,6 +19,7 @@ toolchain_create_sdk_env_script () {
 		EXTRAPATH="$EXTRAPATH:${SDKPATHNATIVE}${bindir_nativesdk}/${TARGET_ARCH}${TARGET_VENDOR}-$i"
 	done
 	echo 'export PATH=${SDKPATHNATIVE}${bindir_nativesdk}:${SDKPATHNATIVE}${bindir_nativesdk}/${TARGET_SYS}'$EXTRAPATH':$PATH' >> $script
+	echo 'export CCACHE_PATH=${SDKPATHNATIVE}${bindir_nativesdk}:${SDKPATHNATIVE}${bindir_nativesdk}/${TARGET_SYS}'$EXTRAPATH':$CCACHE_PATH' >> $script
 	echo 'export PKG_CONFIG_SYSROOT_DIR=$SDKTARGETSYSROOT' >> $script
 	echo 'export PKG_CONFIG_PATH=$SDKTARGETSYSROOT'"$libdir"'/pkgconfig' >> $script
 	echo 'export CONFIG_SITE=${SDKPATH}/site-config-'"${multimach_target_sys}" >> $script
@@ -37,6 +38,7 @@ toolchain_create_tree_env_script () {
 	rm -f $script
 	touch $script
 	echo 'export PATH=${STAGING_DIR_NATIVE}/usr/bin:${PATH}' >> $script
+	echo 'export CCACHE_PATH=${STAGING_DIR_NATIVE}/usr/bin:${CCACHE_PATH}' >> $script
 	echo 'export PKG_CONFIG_SYSROOT_DIR=${PKG_CONFIG_SYSROOT_DIR}' >> $script
 	echo 'export PKG_CONFIG_PATH=${PKG_CONFIG_PATH}' >> $script
 	echo 'export CONFIG_SITE="${@siteinfo_get_files(d)}"' >> $script
-- 
2.1.3