strip toolchain components without copying debug data, clean toolchain after every target so no 300Gb are required to bulk build the toolchains

Makefile

@@ -104,6 +104,9 @@ cleantarget targetclean: .prereq_done
 	-@${GMAKE_INV} cleantarget
 	@-rm -f make.log
 
+cleantoolchain toolchainclean: .prereq_done
+	-@${GMAKE_INV} cleantoolchain
+
 distclean cleandist:
 	-@${GMAKE_INV} distclean
 	@-rm -f make.log .prereq_done

mk/build.mk

@@ -141,7 +141,7 @@ ${TOPDIR}/package/Depends.mk: ${TOPDIR}/.config $(wildcard ${TOPDIR}/package/*/M
 	$(STAGING_HOST_DIR)/usr/bin/depmaker > ${TOPDIR}/package/Depends.mk
 
 .NOTPARALLEL:
-.PHONY: all world clean cleantarget cleandir distclean image_clean
+.PHONY: all world clean cleantarget cleandir cleantoolchain distclean image_clean
 
 world:
 	mkdir -p $(DISTDIR) $(BUILD_DIR) $(TARGET_DIR) $(FW_DIR) \
@@ -275,6 +275,15 @@ cleandir:
 	rm -rf $(STAGING_TARGET_DIR_PFX) $(STAGING_PKG_DIR_PFX)
 	rm -f .menu .tmpconfig.h .rebuild* ${TOPDIR}/package/Depends.mk ${TOPDIR}/prereq.mk
 
+cleantoolchain:
+	@$(TRACE) cleantoolchain
+	@$(MAKE) -C $(CONFIG) clean $(MAKE_TRACE) 
+	rm -rf $(BUILD_DIR_PFX) $(TARGET_DIR_PFX) \
+	    ${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 .menu .tmpconfig.h .rebuild* ${TOPDIR}/package/Depends.mk ${TOPDIR}/prereq.mk
+
 cleantarget:
 	@$(TRACE) cleantarget
 	@$(MAKE) -C $(CONFIG) clean $(MAKE_TRACE)
@@ -535,7 +544,8 @@ bulktoolchain:
 			$(GMAKE) prereq && \
 				$(GMAKE) ARCH=$$tarch SYSTEM=toolchain-$$arch LIBC=$$libc defconfig; \
 				$(GMAKE) VERBOSE=1 all; if [ $$? -ne 0 ]; then touch .exit;fi; \
-				tar -cvJf ${TOPDIR}/firmware/toolchain_$${arch}_$${libc}.tar.xz host_$${arch}_*_$${libc} target_$${arch}_*_$${libc}; \
+				tar -cvJf ${TOPDIR}/firmware/toolchain_$${arch}_$${libc}.tar.xz host_* target_$${arch}_$${libc}_*; \
+				$(GMAKE) cleantoolchain; \
 			rm .config; \
 		    ) 2>&1 | tee $(TOPDIR)/firmware/toolchain_$${arch}_$${libc}/build.log; \
 		    if [ -f .exit ];then break;fi \

scripts/rstrip.sh

@@ -5,6 +5,10 @@
 
 SELF=${0##*/}
 
+if [[ -z $debug ]];then
+	debug=1
+fi
+
 if [[ -z $prefix ]]; then
 	echo >&2 "$SELF: strip command not defined ('prefix' variable not set)"
 	exit 1
@@ -60,9 +64,13 @@ find $TARGETS -type f -a -exec file {} \; | \
 	echo "$SELF: $V:$S"
 	echo "-> $T $F"
 	eval "chmod u+w $F"
-	eval "mkdir -p $D/usr/lib/debug/$Q"
+	if [[ $debug -eq 1 ]];then
-	eval "$O --only-keep-debug $F $D/usr/lib/debug/$P.debug"
+		eval "mkdir -p $D/usr/lib/debug/$Q"
+		eval "$O --only-keep-debug $F $D/usr/lib/debug/$P.debug"
+	fi
 	eval "$T $F"
-	eval "cd $D/usr/lib/debug/$Q && $O --add-gnu-debuglink=$R.debug $F"
+	if [[ $debug -eq 1 ]];then
+		eval "cd $D/usr/lib/debug/$Q && $O --add-gnu-debuglink=$R.debug $F"
+	fi
 done
 exit 0

toolchain/eglibc/Makefile

@@ -92,8 +92,8 @@ $(WRKBUILD)/.fixup:
 	-find $(STAGING_TARGET_DIR) -type -f -name \*_pic\* -delete
 	rm -rf $(STAGING_TARGET_DIR)/usr/share/locale $(STAGING_TARGET_DIR)/usr/share/i18n
 	rm -rf $(STAGING_TARGET_DIR)/usr/lib/gconv
-	PATH="$(TARGET_PATH)" prefix='${TARGET_CROSS}' ${BASH} ${SCRIPT_DIR}/rstrip.sh $(STAGING_TARGET_DIR)
+	PATH="$(TARGET_PATH)" debug='' prefix='${TARGET_CROSS}' ${BASH} ${SCRIPT_DIR}/rstrip.sh $(STAGING_TARGET_DIR)
-	prefix=' ' ${BASH} ${SCRIPT_DIR}/rstrip.sh $(STAGING_HOST_DIR)
+	debug='' prefix=' ' ${BASH} ${SCRIPT_DIR}/rstrip.sh $(STAGING_HOST_DIR)
 	touch $@
 
 include ${TOPDIR}/mk/toolchain.mk

toolchain/glibc/Makefile

@@ -73,8 +73,8 @@ $(WRKBUILD)/.fixup:
 	-find $(STAGING_TARGET_DIR) -type f -name \*_pic\* -delete
 	rm -rf $(STAGING_TARGET_DIR)/usr/share/locale $(STAGING_TARGET_DIR)/usr/share/i18n
 	rm -rf $(STAGING_TARGET_DIR)/usr/lib/gconv
-	PATH="$(TARGET_PATH)" prefix='${TARGET_CROSS}' ${BASH} ${SCRIPT_DIR}/rstrip.sh $(STAGING_TARGET_DIR)
+	PATH="$(TARGET_PATH)" debug='' prefix='${TARGET_CROSS}' ${BASH} ${SCRIPT_DIR}/rstrip.sh $(STAGING_TARGET_DIR)
-	prefix=' ' ${BASH} ${SCRIPT_DIR}/rstrip.sh $(STAGING_HOST_DIR)
+	debug='' prefix=' ' ${BASH} ${SCRIPT_DIR}/rstrip.sh $(STAGING_HOST_DIR)/bin $(STAGING_HOST_DIR)/$(GNU_TARGET_NAME)/
 	touch $@
 
 include ${TOPDIR}/mk/toolchain.mk

toolchain/musl/Makefile

@@ -59,8 +59,8 @@ $(WRKBUILD)/.fixup:
 	$(MAKE) -C $(WRKBUILD) DESTDIR=$(STAGING_TARGET_DIR) install
 	# cleanup toolchain
 	-find $(STAGING_TARGET_DIR) $(STAGING_HOST_DIR) -name \*.la -delete
-	PATH="$(TARGET_PATH)" prefix='${TARGET_CROSS}' ${BASH} ${SCRIPT_DIR}/rstrip.sh $(STAGING_TARGET_DIR)
+	PATH="$(TARGET_PATH)" debug='' prefix='${TARGET_CROSS}' ${BASH} ${SCRIPT_DIR}/rstrip.sh $(STAGING_TARGET_DIR)
-	prefix=' ' ${BASH} ${SCRIPT_DIR}/rstrip.sh $(STAGING_HOST_DIR)
+	debug='' prefix=' ' ${BASH} ${SCRIPT_DIR}/rstrip.sh $(STAGING_HOST_DIR)
 	touch $@
 
 include ${TOPDIR}/mk/toolchain.mk

toolchain/uClibc/Makefile

@@ -120,8 +120,8 @@ endif
 	ln -s libc.so.0 $(STAGING_TARGET_DIR)/lib/libc.so
 	# cleanup toolchain
 	-find $(STAGING_TARGET_DIR) $(STAGING_HOST_DIR) -name \*.la -delete
-	PATH="$(TARGET_PATH)" prefix='${TARGET_CROSS}' ${BASH} ${SCRIPT_DIR}/rstrip.sh $(STAGING_TARGET_DIR)
+	PATH="$(TARGET_PATH)" debug='' prefix='${TARGET_CROSS}' ${BASH} ${SCRIPT_DIR}/rstrip.sh $(STAGING_TARGET_DIR)
-	prefix=' ' ${BASH} ${SCRIPT_DIR}/rstrip.sh $(STAGING_HOST_DIR)
+	debug='' prefix=' ' ${BASH} ${SCRIPT_DIR}/rstrip.sh $(STAGING_HOST_DIR)
 	touch $@
 
 include ${TOPDIR}/mk/toolchain.mk