toolchain/gcc/Makefile

   1 # Makefile for to build a gcc/uClibc toolchain
   2 #
   3 # Copyright (C) 2002-2003 Erik Andersen <andersen@uclibc.org>
   4 # Copyright (C) 2004 Manuel Novoa III <mjn3@uclibc.org>
   5 # Copyright (C) 2005-2006 Felix Fietkau <nbd@openwrt.org>
   6 #
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 2 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  15 # General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program; if not, write to the Free Software
  19 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  20
  21 include $(TOPDIR)/rules.mk
  22
  23 PKG_NAME:=gcc
  24 PKG_VERSION:=$(call qstrip,$(CONFIG_GCC_VERSION))
  25
  26 PATCH_DIR=./patches/$(PKG_VERSION)
  27 PKG_SOURCE_URL:=ftp://ftp.fu-berlin.de/unix/languages/gcc/releases/gcc-$(PKG_VERSION) \
  28         http://mirrors.rcn.net/pub/sourceware/gcc/releases/gcc-$(PKG_VERSION) \
  29         ftp://ftp.gnu.org/gnu/gcc/releases/gcc-$(PKG_VERSION)
  30 PKG_SOURCE:=gcc-$(PKG_VERSION).tar.bz2
  31 STAGING_DIR_HOST:=$(TOOLCHAIN_DIR)
  32 BUILD_DIR_HOST:=$(BUILD_DIR_TOOLCHAIN)
  33
  34 include $(INCLUDE_DIR)/host-build.mk
  35
  36 STAMP_BUILT:=$(TOOLCHAIN_DIR)/stamp/.gcc-initial_installed
  37 BUILD_DIR1:=$(BUILD_DIR_HOST)/gcc-$(PKG_VERSION)-initial
  38 BUILD_DIR2:=$(BUILD_DIR_HOST)/gcc-$(PKG_VERSION)-final
  39
  40 SEP:=,
  41 TARGET_LANGUAGES:="c$(if $(CONFIG_INSTALL_LIBSTDCPP),$(SEP)c++)$(if $(CONFIG_INSTALL_LIBGCJ),$(SEP)java)"
  42
  43 ifeq ($(CONFIG_SSP_SUPPORT),y)
  44   SSP:=--enable-ssp
  45 else
  46   SSP:=--disable-ssp
  47 endif
  48
  49 EXTRA_TARGET=$(if $(CONFIG_EXTRA_TARGET_ARCH),--enable-biarch --enable-targets=$(call qstrip,$(CONFIG_EXTRA_TARGET_ARCH_NAME))-linux-uclibc)
  50
  51 define Stage1/Configure
  52         $(SED) 's,TARGET_CROSS=.*,TARGET_CROSS=$(REAL_GNU_TARGET_NAME)-,' $(TOOLCHAIN_DIR)/info.mk
  53         $(SED) 's,GCC_VERSION=.*,GCC_VERSION=$(PKG_VERSION),' $(TOOLCHAIN_DIR)/info.mk
  54         mkdir -p $(BUILD_DIR1)
  55         (cd $(BUILD_DIR1); rm -f config.cache; \
  56                 SHELL="$(BASH)" \
  57                 $(PKG_BUILD_DIR)/configure \
  58                 --prefix=$(TOOLCHAIN_DIR) \
  59                 --build=$(GNU_HOST_NAME) \
  60                 --host=$(GNU_HOST_NAME) \
  61                 --target=$(REAL_GNU_TARGET_NAME) \
  62                 --enable-languages=c \
  63                 --disable-shared \
  64                 --with-sysroot=$(BUILD_DIR_HOST)/uClibc_dev/ \
  65                 --disable-__cxa_atexit \
  66                 --enable-target-optspace \
  67                 --with-gnu-ld \
  68                 --disable-nls \
  69                 --disable-libmudflap \
  70                 --disable-multilib \
  71                 $(SSP) \
  72                 $(EXTRA_TARGET) \
  73                 $(SOFT_FLOAT_CONFIG_OPTION) \
  74                 $(call qstrip,$(CONFIG_EXTRA_GCC_CONFIG_OPTIONS)) \
  75         );
  76 endef
  77 define Stage1/Compile
  78         export SHELL="$(BASH)"; $(MAKE) -C $(BUILD_DIR1) all-gcc
  79 endef
  80 define Stage1/Install
  81         export SHELL="$(BASH)"; $(MAKE) -C $(BUILD_DIR1) install-gcc
  82 endef
  83
  84 define Stage2/Configure
  85         mkdir -p $(BUILD_DIR2) $(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME)
  86         # Important!  Required for limits.h to be fixed.
  87         rm -rf $(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME)/sys-include
  88         ln -sf ../include $(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME)/sys-include
  89         rm -rf $(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME)/lib
  90         ln -sf ../lib $(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME)/lib
  91         (cd $(BUILD_DIR2); rm -f config.cache; \
  92                 SHELL="$(BASH)" \
  93                 $(PKG_BUILD_DIR)/configure \
  94                 --prefix=$(TOOLCHAIN_DIR) \
  95                 --build=$(GNU_HOST_NAME) \
  96                 --host=$(GNU_HOST_NAME) \
  97                 --target=$(REAL_GNU_TARGET_NAME) \
  98                 --enable-languages=$(TARGET_LANGUAGES) \
  99                 --enable-shared \
 100                 --disable-__cxa_atexit \
 101                 --enable-target-optspace \
 102                 --with-gnu-ld \
 103                 --disable-nls \
 104                 --disable-libmudflap \
 105                 --disable-multilib \
 106                 $(SSP) \
 107                 $(EXTRA_TARGET) \
 108                 $(SOFT_FLOAT_CONFIG_OPTION) \
 109                 $(call qstrip,$(CONFIG_EXTRA_GCC_CONFIG_OPTIONS)) \
 110         );
 111 endef
 112
 113 define Stage2/Compile
 114         export SHELL="\$(BASH)"; \$(MAKE) -C \$(BUILD_DIR2) all
 115 endef
 116
 117 define SetupExtraArch
 118         for app in $(TOOLCHAIN_DIR)/bin/$(OPTIMIZE_FOR_CPU)*-{gcc,gcc-*,g++}; do \
 119                 [ -e $$$$app ] || continue; \
 120                 old_base=$$$$(basename $$$$app); \
 121                 new_base=$(call qstrip,$(CONFIG_EXTRA_TARGET_ARCH_NAME))-$$$${old_base##$(OPTIMIZE_FOR_CPU)-}; \
 122                 sed -e "s/@CC_BASE@/$$$$old_base/" \
 123                         -e 's/@EXTRA_ARCH_OPTS@/$(call qstrip,$(CONFIG_EXTRA_TARGET_ARCH_OPTS))/' \
 124                          ./files/alternate-arch-cc.in > \
 125                          $(TOOLCHAIN_DIR)/bin/$$$$new_base; \
 126                 chmod a+x $(TOOLCHAIN_DIR)/bin/$$$$new_base; \
 127         done
 128 endef
 129
 130 define Stage2/Install
 131         $(MAKE) -C $(BUILD_DIR2) \
 132                 SHELL="$(BASH)" \
 133                 install
 134         # Set up the symlinks to enable lying about target name.
 135         set -e; \
 136         (cd $(TOOLCHAIN_DIR); \
 137                 ln -sf $(REAL_GNU_TARGET_NAME) $(GNU_TARGET_NAME); \
 138                 cd bin; \
 139                 for app in $(REAL_GNU_TARGET_NAME)-* ; do \
 140                         ln -sf $$$${app} \
 141                         $(GNU_TARGET_NAME)$$$${app##$(REAL_GNU_TARGET_NAME)}; \
 142                 done; \
 143         );
 144         $(if $(CONFIG_EXTRA_TARGET_ARCH),$(call SetupExtraArch))
 145 endef
 146
 147 define Build/Prepare
 148         $(call Build/Prepare/Default)
 149         $(SED) 's,\(version_string.. = "[0-9\.]*\).*\(";\),\1 (OpenWrt-2.0)\2,' $(PKG_BUILD_DIR)/gcc/version.c
 150         $(SED) 's,\(bug_report_url.. = "\).*\(";\),\1<URL:https://dev.openwrt.org/>\2,' $(PKG_BUILD_DIR)/gcc/version.c
 151         (cd $(PKG_BUILD_DIR)/libstdc++-v3; autoconf;);
 152         $(SED) 's,gcc_no_link=yes,gcc_no_link=no,' $(PKG_BUILD_DIR)/libstdc++-v3/configure
 153 endef
 154
 155 define Build/Configure
 156         $(call Stage1/Configure)
 157 endef
 158
 159 define Build/Compile
 160         $(call Stage1/Compile)
 161         $(if $(wildcard $(TOOLCHAIN_DIR)/bin/$(GNU_TARGET_NAME)-gcc),,$(call Stage1/Install))
 162 endef
 163
 164 define Build/Install
 165         $(call Stage2/Configure)
 166         $(call Stage2/Compile)
 167         $(call Stage2/Install)
 168 endef
 169
 170 define Build/Clean
 171         rm -rf \
 172                 $(PKG_BUILD_DIR) \
 173                 $(BUILD_DIR1) \
 174                 $(BUILD_DIR2) \
 175                 $(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME) \
 176                 $(TOOLCHAIN_DIR)/bin/$(REAL_GNU_TARGET_NAME)-gc* \
 177                 $(TOOLCHAIN_DIR)/bin/$(REAL_GNU_TARGET_NAME)-c*
 178 endef
 179
 180 $(eval $(call HostBuild))