gcc: split up the build process into three distinct stages (minimal, initial, final), to clean up the dependency handling nastiness and to improve support for rebuilding parts of the toolchain

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@22319 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 190 insertions, 0 deletions

diff --git a/toolchain/gcc/common.mk b/toolchain/gcc/common.mk
new file mode 100644
index 000000000..542072716
--- /dev/null
+++ b/toolchain/gcc/common.mk
@@ -0,0 +1,190 @@
+#
+# Copyright (C) 2002-2003 Erik Andersen <andersen@uclibc.org>
+# Copyright (C) 2004 Manuel Novoa III <mjn3@uclibc.org>
+# Copyright (C) 2005-2006 Felix Fietkau <nbd@openwrt.org>
+# Copyright (C) 2006-2010 OpenWrt.org
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=gcc
+GCC_VERSION:=$(call qstrip,$(CONFIG_GCC_VERSION))
+PKG_VERSION:=$(firstword $(subst +, ,$(GCC_VERSION)))
+GCC_DIR:=$(PKG_NAME)-$(PKG_VERSION)
+
+ifdef CONFIG_GCC_VERSION_LLVM
+  PKG_SOURCE_VERSION:=c98c494b72ff875884c0c7286be67f16f9f6d7ab
+  PKG_REV:=83504
+  GCC_DIR:=llvm-gcc-4.2-r$(PKG_REV)
+  PKG_VERSION:=4.2.1
+  PKG_SOURCE:=$(GCC_DIR).tar.gz
+  PKG_SOURCE_PROTO:=git
+  PKG_SOURCE_URL:=git://repo.or.cz/llvm-gcc-4.2.git
+  PKG_SOURCE_SUBDIR:=$(GCC_DIR)
+  HOST_BUILD_DIR:=$(BUILD_DIR_TOOLCHAIN)/$(GCC_DIR)
+else
+  PKG_SOURCE_URL:=@GNU/gcc/gcc-$(PKG_VERSION)
+  PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
+
+  ifeq ($(PKG_VERSION),3.4.6)
+    PKG_MD5SUM:=4a21ac777d4b5617283ce488b808da7b
+  endif
+  ifeq ($(PKG_VERSION),4.1.2)
+    PKG_MD5SUM:=a4a3eb15c96030906d8494959eeda23c
+  endif
+  ifeq ($(PKG_VERSION),4.2.4)
+    PKG_MD5SUM:=d79f553e7916ea21c556329eacfeaa16
+  endif
+  ifeq ($(PKG_VERSION),4.3.3)
+    PKG_MD5SUM:=cc3c5565fdb9ab87a05ddb106ba0bd1f
+  endif
+  ifeq ($(PKG_VERSION),4.3.4)
+    PKG_MD5SUM:=60df63222dbffd53ca11492a2545044f
+  endif
+  ifeq ($(PKG_VERSION),4.3.5)
+    PKG_MD5SUM:=e588cfde3bf323f82918589b94f14a15
+  endif
+  ifeq ($(PKG_VERSION),4,4,1)
+    PKG_MD5SUM:=927eaac3d44b22f31f9c83df82f26436
+  endif
+  ifeq ($(PKG_VERSION),4.4.2)
+    PKG_MD5SUM:=70f5ac588a79e3c9901d5b34f58d896d
+  endif
+  ifeq ($(PKG_VERSION),4.4.3)
+    PKG_MD5SUM:=fe1ca818fc6d2caeffc9051fe67ff103
+  endif
+  ifeq ($(PKG_VERSION),4.4.4)
+    PKG_MD5SUM:=7ff5ce9e5f0b088ab48720bbd7203530
+  endif
+  ifeq ($(PKG_VERSION),4.5.0)
+  PKG_MD5SUM:=ff27b7c4a5d5060c8a8543a44abca31f
+  endif
+endif
+
+PATCH_DIR=../patches/$(GCC_VERSION)
+
+BUGURL=https://dev.openwrt.org/
+
+include $(INCLUDE_DIR)/toolchain-build.mk
+
+HOST_SOURCE_DIR:=$(HOST_BUILD_DIR)
+ifeq ($(GCC_VARIANT),minimal)
+  GCC_BUILD_DIR:=$(HOST_BUILD_DIR)-$(GCC_VARIANT)
+else
+  HOST_BUILD_DIR:=$(HOST_BUILD_DIR)-$(GCC_VARIANT)
+  GCC_BUILD_DIR:=$(HOST_BUILD_DIR)
+endif
+
+HOST_STAMP_PREPARED:=$(HOST_BUILD_DIR)/.prepared
+HOST_STAMP_BUILT:=$(GCC_BUILD_DIR)/.built
+HOST_STAMP_CONFIGURED:=$(GCC_BUILD_DIR)/.configured
+HOST_STAMP_INSTALLED:=$(STAGING_DIR_HOST)/stamp/.gcc_$(GCC_VARIANT)_installed
+
+SEP:=,
+TARGET_LANGUAGES:="c$(if $(CONFIG_INSTALL_LIBSTDCPP),$(SEP)c++)$(if $(CONFIG_INSTALL_LIBGCJ),$(SEP)java)"
+
+export libgcc_cv_fixed_point=no
+
+GCC_CONFIGURE:= \
+	SHELL="$(BASH)" \
+	$(HOST_SOURCE_DIR)/configure \
+		--prefix=$(TOOLCHAIN_DIR)/usr \
+		--build=$(GNU_HOST_NAME) \
+		--host=$(GNU_HOST_NAME) \
+		--target=$(REAL_GNU_TARGET_NAME) \
+		--with-gnu-ld \
+		--enable-target-optspace \
+		--disable-libgomp \
+		--disable-libmudflap \
+		--disable-multilib \
+		--disable-nls \
+		$(GRAPHITE_CONFIGURE) \
+		$(if $(CONFIG_GCC_USE_GRAPHITE),--with-host-libstdcxx=-lstdc++) \
+		$(SOFT_FLOAT_CONFIG_OPTION) \
+		$(call qstrip,$(CONFIG_EXTRA_GCC_CONFIG_OPTIONS)) \
+		$(if $(CONFIG_mips64)$(CONFIG_mips64el),--with-arch=mips64 --with-abi=64) \
+		$(if $(CONFIG_GCC_VERSION_LLVM),--enable-llvm=$(BUILD_DIR_BASE)/host/llvm) \
+		$(if $(CONFIG_GCC_VERSION_4_3_3_CS)$(CONFIG_GCC_VERSION_4_4_1_CS)$(CONFIG_GCC_VERSION_4_4_3_CS),--enable-poison-system-directories)
+
+ifneq ($(CONFIG_GCC_VERSION_4_3)$(CONFIG_GCC_VERSION_4_4)$(CONFIG_GCC_VERSION_4_5),)
+  GCC_BUILD_TARGET_LIBGCC:=y
+  GCC_CONFIGURE+= \
+		--with-gmp=$(TOPDIR)/staging_dir/host \
+		--with-mpfr=$(TOPDIR)/staging_dir/host \
+		--disable-decimal-float
+endif
+
+ifneq ($(CONFIG_GCC_VERSION_4_5),)
+  GCC_BUILD_TARGET_LIBGCC:=y
+  GCC_CONFIGURE+= \
+                --with-gmp=$(TOPDIR)/staging_dir/host \
+                --with-mpc=$(TOPDIR)/staging_dir/host \
+                --with-mpfr=$(TOPDIR)/staging_dir/host \
+                --disable-decimal-float
+endif
+
+ifneq ($(CONFIG_SSP_SUPPORT),)
+  GCC_CONFIGURE+= \
+		--enable-libssp
+else
+  GCC_CONFIGURE+= \
+		--disable-libssp
+endif
+
+ifneq ($(CONFIG_EXTRA_TARGET_ARCH),)
+  GCC_CONFIGURE+= \
+		--enable-biarch \
+		--enable-targets=$(call qstrip,$(CONFIG_EXTRA_TARGET_ARCH_NAME))-linux-$(TARGET_SUFFIX)
+endif
+
+ifeq ($(LIBC),uClibc)
+  GCC_CONFIGURE+= \
+		--disable-__cxa_atexit
+else
+  GCC_CONFIGURE+= \
+		--enable-__cxa_atexit
+endif
+
+ifdef CONFIG_powerpc
+  TARGET_CFLAGS := $(patsubst -Os,-O2,$(TARGET_CFLAGS))
+endif
+
+GCC_MAKE:= \
+	export SHELL="$(BASH)"; \
+	$(MAKE) \
+		CFLAGS_FOR_TARGET="$(TARGET_CFLAGS)" \
+		CXXFLAGS_FOR_TARGET="$(TARGET_CFLAGS)"
+
+define Host/Prepare
+	mkdir -p $(GCC_BUILD_DIR)
+endef
+
+define Host/Configure
+	(cd $(GCC_BUILD_DIR) && rm -f config.cache; \
+		$(GCC_CONFIGURE) \
+	);
+endef
+
+define Host/Clean
+	rm -rf \
+		$(STAGING_DIR_HOST)/stamp/.gcc_* \
+		$(STAGING_DIR_HOST)/stamp/.binutils_* \
+		$(GCC_BUILD_DIR) \
+		$(BUILD_DIR_TOOLCHAIN)/$(PKG_NAME) \
+		$(TOOLCHAIN_DIR)/usr/$(REAL_GNU_TARGET_NAME) \
+		$(TOOLCHAIN_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-gc* \
+		$(TOOLCHAIN_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-c*
+endef