Add optionnal support for a BUILD_DIR suffix (#2057)

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@8050 3c298f89-4303-0410-b956-a3cf2f4a3e73

2 files changed, 9 insertions, 1 deletions

diff --git a/Config.in b/Config.in
index 705c24ad2f..5518290f48 100644
--- a/Config.in
+++ b/Config.in
@@ -123,6 +123,13 @@ config SOURCE_FEEDS
 	help
 		Separate sources with spaces : " "
 
+config BUILD_SUFFIX
+	string
+	prompt "Build suffix to append to the BUILD_DIR variable" if BUILDOPTS
+	default ""
+	help
+		Build suffix to append to the BUILD_DIR variable, i.e: build_dir_suffix
+
 source "toolchain/Config.in"
 source "target/imagebuilder/Config.in"
 source "target/sdk/Config.in"
diff --git a/rules.mk b/rules.mk
index 6fbf88f801..4d6c7d0986 100644
--- a/rules.mk
+++ b/rules.mk
@@ -14,6 +14,7 @@ export SHELL=/usr/bin/env bash -c '. $(TOPDIR)/include/shell.sh; eval "$$2"' --
 
 ARCH:=$(strip $(subst ",, $(CONFIG_ARCH)))
 TARGET_OPTIMIZATION:=$(strip $(subst ",, $(CONFIG_TARGET_OPTIMIZATION)))
+BUILD_DIR_SUFFIX:=$(strip $(subst ",, $(CONFIG_BUILD_SUFFIX)))
 WGET:=$(strip $(subst ",, $(CONFIG_WGET)))
 #"))"))")) # fix vim's broken syntax highlighting
 
@@ -30,7 +31,7 @@ STAGING_DIR:=$(TOPDIR)/staging_dir_$(ARCH)
 BIN_DIR:=$(TOPDIR)/bin
 PACKAGE_DIR:=$(BIN_DIR)/packages
 IPKG_TARGET_DIR:=$(PACKAGE_DIR)
-BUILD_DIR:=$(TOPDIR)/build_$(ARCH)
+BUILD_DIR:=$(TOPDIR)/build_$(ARCH)$(BUILD_DIR_SUFFIX)
 TMP_DIR:=$(TOPDIR)/tmp
 STAMP_DIR:=$(BUILD_DIR)/stamp
 TARGET_DIR:=$(BUILD_DIR)/root