From a3989e3dbd80248789ee379538e6de22c1d47d0e Mon Sep 17 00:00:00 2001
From: Imre Kaloz <kaloz@openwrt.org>
Date: Fri, 25 Feb 2011 16:52:25 +0000
Subject: [PATCH] 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>

SVN-Revision: 25705
---
 rules.mk                | 18 ++++++------------
 toolchain/Config.in     |  2 --
 toolchain/gcc/common.mk |  4 ++++
 3 files changed, 10 insertions(+), 14 deletions(-)

diff --git a/rules.mk b/rules.mk
index b69769aa40..b778a2e84e 100644
--- a/rules.mk
+++ b/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
diff --git a/toolchain/Config.in b/toolchain/Config.in
index 318847f736..bc9e6df06d 100644
--- a/toolchain/Config.in
+++ b/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
diff --git a/toolchain/gcc/common.mk b/toolchain/gcc/common.mk
index 0f22e41021..888cf7a1e5 100644
--- a/toolchain/gcc/common.mk
+++ b/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) \