From 80d6e3b245e91544a6f070e92bcb3ed5b3883d03 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Sun, 14 Mar 2010 18:24:05 +0000
Subject: [PATCH] add an arch suffix for handling different variants of
 arm/mips for the toolchain/target directories

SVN-Revision: 20215
---
 rules.mk | 25 +++++++++++++++++++++----
 1 file changed, 21 insertions(+), 4 deletions(-)

diff --git a/rules.mk b/rules.mk
index a7d7a34d553..c1ff95c0a58 100644
--- a/rules.mk
+++ b/rules.mk
@@ -44,6 +44,23 @@ else
   FPIC:=-fpic
 endif
 
+ARCH_SUFFIX:=
+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
+
 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
 BIN_DIR:=$(TOPDIR)/bin/$(BOARD)
 INCLUDE_DIR:=$(TOPDIR)/include
@@ -58,10 +75,10 @@ ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
   REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
   GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
   DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_EABI_SUPPORT),_eabi)
-  BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(ARCH)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
-  STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(ARCH)$(DIR_SUFFIX)
-  BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)_gcc-$(GCCV)$(DIR_SUFFIX)
-  TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)_gcc-$(GCCV)$(DIR_SUFFIX)
+  BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
+  STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)
+  BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
+  TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
   PACKAGE_DIR:=$(BIN_DIR)/packages
 else
   ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)