this patch fixes toolchain parallel build, which reduces build time.
[openwrt.git] / toolchain / gcc / Makefile
index d060ab0..9c820f2 100644 (file)
@@ -1,9 +1,313 @@
+#
+# 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
 
-include ./gcc-uclibc-3.x.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 ($(PKG_VERSION),4.4.0)
+    PKG_MD5SUM:=cf5d787bee57f38168b74d65a7c0e6fd
+  endif
+  ifeq ($(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
+endif
+
+PATCH_DIR=./patches/$(GCC_VERSION)
+
+include $(INCLUDE_DIR)/toolchain-build.mk
+
+HOST_STAMP_BUILT:=$(TOOLCHAIN_DIR)/stamp/.gcc-initial_installed
+
+HOST_BUILD_DIR0:=$(HOST_BUILD_DIR)-minimal
+HOST_BUILD_DIR1:=$(HOST_BUILD_DIR)-initial
+HOST_BUILD_DIR2:=$(HOST_BUILD_DIR)-final
+
+SEP:=,
+TARGET_LANGUAGES:="c$(if $(CONFIG_INSTALL_LIBSTDCPP),$(SEP)c++)$(if $(CONFIG_INSTALL_LIBGCJ),$(SEP)java)"
+
+export libgcc_cv_fixed_point=no
+
+GCC_CONFIGURE:= \
+       SHELL="$(BASH)" \
+       $(HOST_BUILD_DIR)/configure \
+               --prefix=$(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 \
+               $(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)$(CONFIG_GCC_VERSION_4_4),)
+  GCC_BUILD_TARGET_LIBGCC:=y
+  GCC_CONFIGURE+= \
+               --with-gmp=$(TOPDIR)/staging_dir/host \
+               --with-mpfr=$(TOPDIR)/staging_dir/host \
+               --disable-decimal-float
+endif
+
+ifneq ($(CONFIG_SSP_SUPPORT),)
+  GCC_CONFIGURE+= \
+               --enable-libssp
+else
+  GCC_CONFIGURE+= \
+               --disable-libssp
+endif
+
+ifeq ($(CONFIG_TLS_SUPPORT),)
+  GCC_CONFIGURE+= \
+               --disable-tls
+endif
+
+ifneq ($(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
+
+GCC_CONFIGURE_STAGE0:= \
+       $(GCC_CONFIGURE) \
+               --with-newlib \
+               --without-headers \
+               --enable-languages=c \
+               --disable-libssp \
+               --disable-shared \
+               --disable-threads \
+
+GCC_CONFIGURE_STAGE1:= \
+       $(GCC_CONFIGURE) \
+               --with-newlib \
+               --with-sysroot=$(BUILD_DIR_TOOLCHAIN)/$(LIBC)-dev \
+               --enable-languages=c \
+               --disable-shared \
+               --disable-threads \
+
+GCC_CONFIGURE_STAGE2:= \
+       $(GCC_CONFIGURE) \
+               --enable-languages=$(TARGET_LANGUAGES) \
+               --enable-shared \
+               --enable-threads \
+               --with-slibdir=$(TOOLCHAIN_DIR)/lib \
+
+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/SetToolchainInfo
+       $(SED) 's,TARGET_CROSS=.*,TARGET_CROSS=$(REAL_GNU_TARGET_NAME)-,' $(TOOLCHAIN_DIR)/info.mk
+       $(SED) 's,GCC_VERSION=.*,GCC_VERSION=$(GCC_VERSION),' $(TOOLCHAIN_DIR)/info.mk
+endef
+
+
+define Stage0/Configure
+       mkdir -p $(HOST_BUILD_DIR0)
+       (cd $(HOST_BUILD_DIR0); rm -f config.cache; \
+               $(GCC_CONFIGURE_STAGE0) \
+       );
+endef
+
+define Stage0/Compile
+       $(GCC_MAKE) -C $(HOST_BUILD_DIR0) all-gcc
+endef
+
+define Stage0/Install
+       $(GCC_MAKE) -C $(HOST_BUILD_DIR0) install-gcc
+endef
+
+
+define Stage1/Configure
+       mkdir -p $(HOST_BUILD_DIR1)
+       (cd $(HOST_BUILD_DIR1); rm -f config.cache; \
+               $(GCC_CONFIGURE_STAGE1) \
+       );
+endef
+
+define Stage1/Compile
+       $(CP) $(BUILD_DIR_TOOLCHAIN)/linux-dev/* $(BUILD_DIR_TOOLCHAIN)/$(LIBC)-dev/
+       $(GCC_MAKE) -C $(HOST_BUILD_DIR1) \
+               all-build-libiberty \
+               all-gcc \
+               $(if $(GCC_BUILD_TARGET_LIBGCC),all-target-libgcc)
+endef
+
+define Stage1/Install
+       $(GCC_MAKE) -C $(HOST_BUILD_DIR1) \
+               install-gcc \
+               $(if $(GCC_BUILD_TARGET_LIBGCC),install-target-libgcc)
+       
+       # XXX: glibc insists on linking against libgcc_eh
+       ( cd $(TOOLCHAIN_DIR)/usr/lib/gcc/$(REAL_GNU_TARGET_NAME)/$(PKG_VERSION) ; \
+               [ -e libgcc_eh.a ] || ln -sf libgcc.a libgcc_eh.a ; \
+               cp libgcc.a libgcc_initial.a; \
+       )
+endef
+
+
+define Stage2/Configure
+       mkdir -p $(HOST_BUILD_DIR2) $(TOOLCHAIN_DIR)/usr/$(REAL_GNU_TARGET_NAME)
+       # Important!  Required for limits.h to be fixed.
+       rm -rf $(TOOLCHAIN_DIR)/usr/$(REAL_GNU_TARGET_NAME)/sys-include
+       ln -sf ../include $(TOOLCHAIN_DIR)/usr/$(REAL_GNU_TARGET_NAME)/sys-include
+       rm -rf $(TOOLCHAIN_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib
+       ln -sf ../lib $(TOOLCHAIN_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib
+       $(if $(CONFIG_mips64)$(CONFIG_mips64el)$(CONFIG_x86_64),ln -sf ../lib64 $(TOOLCHAIN_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib64)
+       (cd $(HOST_BUILD_DIR2); rm -f config.cache; \
+               $(GCC_CONFIGURE_STAGE2) \
+       );
+endef
+
+define Stage2/Compile
+       $(GCC_MAKE) -C $(HOST_BUILD_DIR2) all
+endef
+
+define SetupExtraArch
+       for app in $(TOOLCHAIN_DIR)/usr/bin/$(OPTIMIZE_FOR_CPU)*-{gcc,gcc-*,g++}; do \
+               [ -e $$$$app ] || continue; \
+               old_base=$$$$(basename $$$$app); \
+               new_base=$(call qstrip,$(CONFIG_EXTRA_TARGET_ARCH_NAME))-$$$${old_base##$(OPTIMIZE_FOR_CPU)-}; \
+               sed -e "s/@CC_BASE@/$$$$old_base/" \
+                       -e 's/@EXTRA_ARCH_OPTS@/$(call qstrip,$(CONFIG_EXTRA_TARGET_ARCH_OPTS))/' \
+                        ./files/alternate-arch-cc.in > \
+                        $(TOOLCHAIN_DIR)/usr/bin/$$$$new_base; \
+               chmod a+x $(TOOLCHAIN_DIR)/usr/bin/$$$$new_base; \
+       done
+endef
+
+define Stage2/Install
+       $(_SINGLE)$(GCC_MAKE) -C $(HOST_BUILD_DIR2) install
+       # Set up the symlinks to enable lying about target name.
+       set -e; \
+       (cd $(TOOLCHAIN_DIR)/usr; \
+               ln -sf $(REAL_GNU_TARGET_NAME) $(GNU_TARGET_NAME); \
+               cd bin; \
+               for app in $(REAL_GNU_TARGET_NAME)-* ; do \
+                       ln -sf $$$${app} \
+                       $(GNU_TARGET_NAME)$$$${app##$(REAL_GNU_TARGET_NAME)}; \
+               done; \
+       );
+       $(if $(CONFIG_EXTRA_TARGET_ARCH),$(call SetupExtraArch))
+endef
+
+
+BUGURL=https://dev.openwrt.org/
+
+define Host/Prepare
+       $(call Host/SetToolchainInfo)
+       $(call Host/Prepare/Default)
+       ln -snf $(GCC_DIR) $(BUILD_DIR_TOOLCHAIN)/$(PKG_NAME)
+       $(CP) $(SCRIPT_DIR)/config.{guess,sub} $(HOST_BUILD_DIR)/
+       $(SED) 's,^MULTILIB_OSDIRNAMES,# MULTILIB_OSDIRNAMES,' $(HOST_BUILD_DIR)/gcc/config/*/t-*
+       $(SED) 's,\(version_string.. = "[0-9\.]*\).*\(";\),\1 (OpenWrt-2.0)\2,' $(HOST_BUILD_DIR)/gcc/version.c
+       $(SED) 's,\(bug_report_url.. = "\).*\(";\),\1<URL:$(BUGURL)>\2,' $(HOST_BUILD_DIR)/gcc/version.c
+       $(SED) 's,http://gcc.gnu.org/bugs.html,$(BUGURL),' $(HOST_BUILD_DIR)/gcc/configure
+       #(cd $(HOST_BUILD_DIR)/libstdc++-v3; autoconf;);
+       $(SED) 's,gcc_no_link=yes,gcc_no_link=no,' $(HOST_BUILD_DIR)/libstdc++-v3/configure
+       $(call Stage0/Configure)
+       $(call Stage0/Compile)
+       $(call Stage0/Install)
+endef
+
+define Host/Configure
+endef
+
+define Host/Compile
+       $(call Stage1/Configure)
+       $(call Stage1/Compile)
+       $(call Stage1/Install)
+endef
+
+define Host/Install
+       $(call Stage2/Configure)
+       $(call Stage2/Compile)
+       $(call Stage2/Install)
+endef
+
+define Host/Clean
+       rm -rf \
+               $(HOST_BUILD_DIR) \
+               $(HOST_BUILD_DIR0) \
+               $(HOST_BUILD_DIR1) \
+               $(HOST_BUILD_DIR2) \
+               $(BUILD_DIR_TOOLCHAIN)/$(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
 
-source: gcc-source
-prepare: gcc_initial
-compile: $(GCC_BUILD_DIR2)/.compiled
-install: gcc-install
-clean: gcc_initial-clean gcc-clean
+$(eval $(call HostBuild))
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