From 840325e17001c82cbe1538e8dcacf1467c5ac683 Mon Sep 17 00:00:00 2001
From: Ulf Samuelsson <ulf.samuelsson@atmel.com>
Date: Tue, 31 Jul 2007 14:59:58 +0000
Subject: Add support for prepatched toolchains

---
 toolchain/gcc/gcc-uclibc-4.x.mk | 34 ++++++++++++++++++++++++----------
 1 file changed, 24 insertions(+), 10 deletions(-)

(limited to 'toolchain/gcc/gcc-uclibc-4.x.mk')

diff --git a/toolchain/gcc/gcc-uclibc-4.x.mk b/toolchain/gcc/gcc-uclibc-4.x.mk
index 2274811b3..fb8cb6908 100644
--- a/toolchain/gcc/gcc-uclibc-4.x.mk
+++ b/toolchain/gcc/gcc-uclibc-4.x.mk
@@ -29,6 +29,28 @@ GCC_OFFICIAL_VER:=$(GCC_VERSION)-$(GCC_SNAP_DATE)
 GCC_SITE:=ftp://sources.redhat.com/pub/gcc/snapshots/$(GCC_OFFICIAL_VER)
 endif
 
+# redefine if using an external prepatched gcc source
+ifeq	($(BR2_TOOLCHAIN_NORMAL),)
+GCC_SITE:=$(VENDOR_SITE)
+GCC_OFFICIAL_VER:=$(GCC_VERSION)$(VENDOR_SUFFIX)$(VENDOR_GCC_RELEASE)
+endif
+
+# define patch location
+ifeq	($(BR2_TOOLCHAIN_NORMAL),y)	# Normal toolchain
+ifeq ($(GCC_SNAP_DATE),)		# Not a snapshot
+GCC_PATCH_DIR:=toolchain/gcc/$(GCC_VERSION)
+else					# Is a snapshot
+ifneq ($(wildcard toolchain/gcc/$(GCC_OFFICIAL_VER)),)	# Snapshot patch?
+GCC_PATCH_DIR:=toolchain/gcc/$(GCC_OFFICIAL_VER)
+else					# Normal patch to snapshot
+# Use the normal location, if the dedicated location does not exist
+GCC_PATCH_DIR:=toolchain/gcc/$(GCC_VERSION)
+endif					# Snapshot patch
+endif					# Not a snapshot
+else					# Prepatched toolchain
+GCC_PATCH_DIR:=$(VENDOR_PATCH_DIR)/gcc-$(GCC_OFFICIAL_VER)
+endif					# Normal toolchain
+
 GCC_SOURCE:=gcc-$(GCC_OFFICIAL_VER).tar.bz2
 GCC_DIR:=$(TOOL_BUILD_DIR)/gcc-$(GCC_OFFICIAL_VER)
 GCC_CAT:=$(BZCAT)
@@ -97,7 +119,7 @@ $(DL_DIR)/$(GCC_SOURCE):
 	mkdir -p $(DL_DIR)
 	$(WGET) -P $(DL_DIR) $(GCC_SITE)/$(GCC_SOURCE)
 
-gcc-unpacked: $(GCC_DIR)/.unpacked
+gcc-unpacked: $(GCC_DIR)/.patched
 $(GCC_DIR)/.unpacked: $(DL_DIR)/$(GCC_SOURCE)
 	mkdir -p $(TOOL_BUILD_DIR)
 	rm -rf $(GCC_DIR)
@@ -108,15 +130,7 @@ $(GCC_DIR)/.unpacked: $(DL_DIR)/$(GCC_SOURCE)
 gcc-patched: $(GCC_DIR)/.patched
 $(GCC_DIR)/.patched: $(GCC_DIR)/.unpacked
 	# Apply any files named gcc-*.patch from the source directory to gcc
-ifeq ($(GCC_SNAP_DATE),)
-	toolchain/patch-kernel.sh $(GCC_DIR) toolchain/gcc/$(GCC_VERSION) \*.patch
-else
-ifneq ($(wildcard toolchain/gcc/$(GCC_OFFICIAL_VER)),)
-	toolchain/patch-kernel.sh $(GCC_DIR) toolchain/gcc/$(GCC_OFFICIAL_VER) \*.patch
-else
-	toolchain/patch-kernel.sh $(GCC_DIR) toolchain/gcc/$(GCC_VERSION) \*.patch
-endif
-endif
+	toolchain/patch-kernel.sh $(GCC_DIR) $(GCC_PATCH_DIR) \*.patch
 
 	# Note: The soft float situation has improved considerably with gcc 3.4.x.
 	# We can dispense with the custom spec files, as well as libfloat for the arm case.
-- 
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