We use different toolchain directories for different

ARM archs, so we should set the default arch of gcc
to reflect this.

This enables EABI support for armv4 CPUs.

Signed-off-by: Jochen Friedrich <jochen@scram.de>



git-svn-id: svn://svn.openwrt.org/openwrt/trunk@25705 3c298f89-4303-0410-b956-a3cf2f4a3e73

rules.mk

@@ -54,21 +54,15 @@ endif
 HOST_FPIC:=-fPIC
 
 ARCH_SUFFIX:=
+GCC_ARCH:=
+
+ifneq ($(filter -march=armv%,$(TARGET_OPTIMIZATION)),)
+  ARCH_SUFFIX:=_$(patsubst -march=arm%,%,$(filter -march=armv%,$(TARGET_OPTIMIZATION)))
+  GCC_ARCH:=$(patsubst -march=%,%,$(filter -march=armv%,$(TARGET_OPTIMIZATION)))
+endif
 ifneq ($(findstring -mips32r2,$(TARGET_OPTIMIZATION)),)
   ARCH_SUFFIX:=_r2
 endif
-ifneq ($(findstring -march=armv4,$(TARGET_OPTIMIZATION)),)
-  ARCH_SUFFIX:=_v4
-endif
-ifneq ($(findstring -march=armv4t,$(TARGET_OPTIMIZATION)),)
-  ARCH_SUFFIX:=_v4t
-endif
-ifneq ($(findstring -march=armv5t,$(TARGET_OPTIMIZATION)),)
-  ARCH_SUFFIX:=_v5t
-endif
-ifneq ($(findstring -march=armv5te,$(TARGET_OPTIMIZATION)),)
-  ARCH_SUFFIX:=_v5te
-endif
 ifdef CONFIG_HAS_SPE_FPU
   TARGET_SUFFIX:=$(TARGET_SUFFIX)spe
 endif

toolchain/Config.in

@@ -90,8 +90,6 @@ config EABI_SUPPORT
 	bool
 	depends arm||armeb
 	prompt "Enable EABI support" if TOOLCHAINOPTS
-	default n if TARGET_gemini
-	default n if TARGET_cns21xx
 	default y
 	help
 	  Enable ARM EABI support

toolchain/gcc/common.mk

@@ -167,6 +167,10 @@ ifdef CONFIG_powerpc
   TARGET_CFLAGS := $(patsubst -Os,-O2,$(TARGET_CFLAGS))
 endif
 
+ifneq ($(GCC_ARCH),)
+  GCC_CONFIGURE+= --with-arch=$(GCC_ARCH)
+endif
+
 GCC_MAKE:= \
 	export SHELL="$(BASH)"; \
 	$(MAKE) $(TOOLCHAIN_JOBS) \