add external kernel tree support

[openwrt.git] / rules.mk

diff --git a/rules.mk b/rules.mk
index 514aa6b..d36c994 100644 (file)
--- a/rules.mk
+++ b/rules.mk
@@ -23,7 +23,7 @@ $(strip $(subst ",,$(1)))
 endef
 #"))
 
-ARCH:=$(call qstrip,$(CONFIG_ARCH))
+ARCH:=$(call qstrip,$(shell echo $(CONFIG_ARCH) | sed -e 's/i[3-9]86/i386/'))
 BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
 TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
 BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
@@ -32,7 +32,7 @@ SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
 
 OPTIMIZE_FOR_CPU:=$(ARCH)
 
-DL_DIR:=$(TOPDIR)/dl
+DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
 BIN_DIR:=$(TOPDIR)/bin
 INCLUDE_DIR:=$(TOPDIR)/include
 SCRIPT_DIR:=$(TOPDIR)/scripts
@@ -65,6 +65,10 @@ export PATH:=$(TARGET_PATH)
 export STAGING_DIR
 export GCC_HONOUR_COPTS:=0
 
+PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
+
+export PKG_CONFIG
+
 LINUX_HEADERS_DIR:=$(BUILD_DIR_TOOLCHAIN)/linux
 
 HOSTCC:=gcc
@@ -134,6 +138,11 @@ $(call shvar,$(1))=$$(call $(1))
 export $(call shvar,$(1))
 endef
 
+empty:=
+space:= $(empty) $(empty)
+merge=$(subst $(space),,$(1))
+confvar=$(call merge,$(foreach v,$(1),$(if $($(v)),y,n)))
+
 # file extension
 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))