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-rw-r--r--.gitignore1
-rw-r--r--Makefile17
-rwxr-xr-xscripts/check-toolchain-clean.sh9
-rw-r--r--toolchain/build_version1
4 files changed, 24 insertions, 4 deletions
diff --git a/.gitignore b/.gitignore
index 11f280d0aa..91e257f5a9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,6 +5,7 @@
/dl
/.config
/.config.old
+/.toolchain_build_ver
/bin
/build_dir
/staging_dir
diff --git a/Makefile b/Makefile
index e18bc18608..39ab3ae4a5 100644
--- a/Makefile
+++ b/Makefile
@@ -38,7 +38,7 @@ else
include tools/Makefile
include toolchain/Makefile
-$(toolchain/stamp-compile): $(tools/stamp-compile)
+$(toolchain/stamp-compile): $(tools/stamp-compile) $(if $(CONFIG_BUILDBOT),toolchain_rebuild_check)
$(target/stamp-compile): $(toolchain/stamp-compile) $(tools/stamp-compile) $(BUILD_DIR)/.prepared
$(package/stamp-compile): $(target/stamp-compile) $(package/stamp-cleanup)
$(package/stamp-install): $(package/stamp-compile)
@@ -50,14 +50,23 @@ printdb:
prepare: $(target/stamp-compile)
-clean: FORCE
+_clean: FORCE
rm -rf $(BUILD_DIR) $(STAGING_DIR) $(BIN_DIR) $(OUTPUT_DIR)/packages/$(ARCH_PACKAGES) $(BUILD_LOG_DIR) $(TOPDIR)/staging_dir/packages
-dirclean: clean
- rm -rf $(STAGING_DIR_HOST) $(STAGING_DIR_HOSTPKG) $(TOOLCHAIN_DIR) $(BUILD_DIR_BASE)/host $(BUILD_DIR_BASE)/hostpkg $(BUILD_DIR_TOOLCHAIN)
+clean: _clean
+ rm -rf $(BUILD_LOG_DIR)
+
+targetclean: _clean
+ rm -rf $(TOOLCHAIN_DIR) $(BUILD_DIR_BASE)/hostpkg $(BUILD_DIR_TOOLCHAIN)
+
+dirclean: targetclean clean
+ rm -rf $(STAGING_DIR_HOST) $(STAGING_DIR_HOSTPKG) $(BUILD_DIR_BASE)/host
rm -rf $(TMP_DIR)
$(MAKE) -C $(TOPDIR)/scripts/config clean
+toolchain_rebuild_check:
+ $(SCRIPT_DIR)/check-toolchain-clean.sh
+
cacheclean:
ifneq ($(CONFIG_CCACHE),)
$(STAGING_DIR_HOST)/bin/ccache -C
diff --git a/scripts/check-toolchain-clean.sh b/scripts/check-toolchain-clean.sh
new file mode 100755
index 0000000000..af24e740b7
--- /dev/null
+++ b/scripts/check-toolchain-clean.sh
@@ -0,0 +1,9 @@
+#!/bin/sh
+eval `grep CONFIG_GCC_VERSION .config`
+CONFIG_TOOLCHAIN_BUILD_VER="$CONFIG_GCC_VERSION-$(cat toolchain/build_version)"
+touch .toolchain_build_ver
+[ "$CONFIG_TOOLCHAIN_BUILD_VER" = "$(cat .toolchain_build_ver)" ] && exit 0
+echo "Toolchain build version changed, running make targetclean"
+make targetclean
+echo "$CONFIG_TOOLCHAIN_BUILD_VER" > .toolchain_build_ver
+exit 0
diff --git a/toolchain/build_version b/toolchain/build_version
new file mode 100644
index 0000000000..d00491fd7e
--- /dev/null
+++ b/toolchain/build_version
@@ -0,0 +1 @@
+1