avoid warnings on fresh checkout

mk/build.mk

@@ -248,7 +248,7 @@ distclean:
 	    ${TOPDIR}/package/pkglist.d ${TOPDIR}/package/pkgconfigs.d
 	@rm -rf $(TOOLCHAIN_BUILD_DIR_PFX) $(STAGING_HOST_DIR_PFX) $(TOOLS_BUILD_DIR)
 	@rm -rf $(STAGING_TARGET_DIR_PFX) $(STAGING_PKG_DIR_PFX)
-	@rm -f .config* .defconfig .tmpconfig.h all.config ${TOPDIR}/prereq.mk \
+	@rm -f .adkinit .config* .defconfig .tmpconfig.h all.config ${TOPDIR}/prereq.mk \
 	    .menu ${TOPDIR}/package/Depends.mk .ADK_HAVE_DOT_CONFIG .rebuild.*
 
 else # ! ifeq ($(strip $(ADK_HAVE_DOT_CONFIG)),y)
@@ -477,7 +477,7 @@ distclean:
 	    ${TOPDIR}/package/pkglist.d ${TOPDIR}/package/pkgconfigs.d
 	@rm -rf $(TOOLCHAIN_BUILD_DIR_PFX) $(STAGING_TARGET_DIR_PFX) $(TOOLS_BUILD_DIR)
 	@rm -rf $(STAGING_HOST_DIR_PFX) $(STAGING_TARGET_DIR_PFX) $(STAGING_PKG_DIR_PFX)
-	@rm -f .config* .defconfig .tmpconfig.h all.config ${TOPDIR}/prereq.mk \
+	@rm -f .adkinit .config* .defconfig .tmpconfig.h all.config ${TOPDIR}/prereq.mk \
 	    .menu .rebuild.* ${TOPDIR}/package/Depends.mk .ADK_HAVE_DOT_CONFIG
 
 

scripts/reloc.sh

@@ -1,10 +1,11 @@
 #!/usr/bin/env bash
 # execute this after relocation of adk directory
 
-olddir=$(grep "^TOPDIR" prereq.mk |cut -d '=' -f 2)
+olddir=$(grep "^TOPDIR" prereq.mk 2>/dev/null |cut -d '=' -f 2)
 newdir=$(pwd)
 
-if [ "$olddir" != "$newdir" ];then
+if [ ! -z $olddir ];then
+  if [ "$olddir" != "$newdir" ];then
 	echo "adk directory relocated!"
 	echo "old directory: $olddir"
 	echo "new directory: $newdir"
@@ -13,4 +14,5 @@ if [ "$olddir" != "$newdir" ];then
 	sed -i -e "s#$olddir#$newdir#g" $(find target_*/scripts -type f|xargs)
 	sed -i -e "s#$olddir#$newdir#" target_*/etc/ipkg.conf
 	sed -i -e "s#$olddir#$newdir#" prereq.mk
+  fi
 fi