arc: Add support for ARC-specific uClibc

[Peter: fix whitespace]
Signed-off-by: Mischa Jonker <mjonker@synopsys.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

toolchain/uClibc/Config.in

@@ -16,11 +16,15 @@ choice
 
 	config BR2_UCLIBC_VERSION_0_9_32
 		bool "uClibc 0.9.32.x"
-		depends on !(BR2_avr32 || BR2_sh || BR2_xtensa)
+		depends on !(BR2_arc || BR2_avr32 || BR2_sh || BR2_xtensa)
 
 	config BR2_UCLIBC_VERSION_0_9_33
 		bool "uClibc 0.9.33.x"
-		depends on !BR2_xtensa
+		depends on !(BR2_arc || BR2_xtensa)
+
+	config BR2_UCLIBC_VERSION_0_9_33_ARC
+		bool "uClibc 0.9.33.x-arc"
+		depends on BR2_arc
 
 	config BR2_UCLIBC_VERSION_SNAPSHOT
 		bool "daily snapshot"
@@ -39,6 +43,7 @@ config BR2_UCLIBC_VERSION_STRING
 	default 0.9.31.1	if BR2_UCLIBC_VERSION_0_9_31
 	default 0.9.32.1	if BR2_UCLIBC_VERSION_0_9_32
 	default 0.9.33.2	if BR2_UCLIBC_VERSION_0_9_33
+	default 0.9.33-arc	if BR2_UCLIBC_VERSION_0_9_33_ARC
 	default $BR2_USE_UCLIBC_SNAPSHOT	if BR2_UCLIBC_VERSION_SNAPSHOT
 
 config BR2_UCLIBC_CONFIG
@@ -46,6 +51,7 @@ config BR2_UCLIBC_CONFIG
 	default "toolchain/uClibc/uClibc-0.9.31.config" if BR2_UCLIBC_VERSION_0_9_31
 	default "toolchain/uClibc/uClibc-0.9.32.config" if BR2_UCLIBC_VERSION_0_9_32
 	default "toolchain/uClibc/uClibc-0.9.33.config" if BR2_UCLIBC_VERSION_0_9_33
+	default "toolchain/uClibc/uClibc-snapshot.config" if BR2_UCLIBC_VERSION_0_9_33_ARC
 	default "toolchain/uClibc/uClibc-snapshot.config" if BR2_UCLIBC_VERSION_SNAPSHOT
 	help
 	  Some people may wish to use their own modified uClibc configuration

toolchain/uClibc/uClibc-snapshot.config

@@ -4,6 +4,7 @@
 # Fri Jul  9 22:31:59 2010
 #
 # TARGET_alpha is not set
+# TARGET_arc is not set
 # TARGET_arm is not set
 # TARGET_avr32 is not set
 # TARGET_bfin is not set
@@ -16,6 +17,7 @@
 # TARGET_i960 is not set
 # TARGET_ia64 is not set
 # TARGET_m68k is not set
+# TARGET_metag is not set
 # TARGET_microblaze is not set
 # TARGET_mips is not set
 # TARGET_nios is not set

toolchain/uClibc/uclibc.mk

@@ -17,6 +17,9 @@ UCLIBC_VERSION:=$(call qstrip,$(BR2_UCLIBC_VERSION_STRING))
 ifeq ($(BR2_UCLIBC_VERSION_SNAPSHOT),y)
 UCLIBC_SITE:=http://www.uclibc.org/downloads/snapshots
 UCLIBC_DIR:=$(TOOLCHAIN_DIR)/uClibc
+else ifeq ($(findstring arc,$(UCLIBC_VERSION)),arc)
+UCLIBC_SITE:=$(BR2_ARC_SITE)
+UCLIBC_DIR:=$(TOOLCHAIN_DIR)/uClibc-$(UCLIBC_VERSION)
 else
 UCLIBC_SITE:=http://www.uclibc.org/downloads
 UCLIBC_DIR:=$(TOOLCHAIN_DIR)/uClibc-$(UCLIBC_VERSION)
@@ -31,6 +34,7 @@ UCLIBC_TARGET_ARCH:=$(shell $(SHELL) -c "echo $(ARCH) | sed \
 		-e 's/-.*//' \
 		-e 's/i.86/i386/' \
 		-e 's/sparc.*/sparc/' \
+		-e 's/arc.*/arc/g' \
 		-e 's/arm.*/arm/g' \
 		-e 's/m68k.*/m68k/' \
 		-e 's/ppc/powerpc/g' \