openwrt/toolchain/gcc/gcc-uclibc-3.x.mk

   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 #
   6 # This program is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 2 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  14 # General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program; if not, write to the Free Software
  18 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  19
  20 GCC_VERSION:=$(strip $(GCC_VERSION))
  21
  22 #GCC_SITE:=ftp://ftp.gnu.org/gnu/gcc/releases/gcc-$(GCC_VERSION)
  23 GCC_SITE:=http://mirrors.rcn.net/pub/sourceware/gcc/releases/gcc-$(GCC_VERSION)
  24
  25 #
  26 # snapshots....
  27 #GCC_VERSION:=3.3-20031013
  28 #GCC_SITE:=http://gcc.get-software.com/snapshots/$(GCC_VERSION)
  29 #
  30 GCC_SOURCE:=gcc-$(GCC_VERSION).tar.bz2
  31 GCC_DIR:=$(TOOL_BUILD_DIR)/gcc-$(GCC_VERSION)
  32 GCC_CAT:=bzcat
  33 GCC_STRIP_HOST_BINARIES:=true
  34
  35 #############################################################
  36 #
  37 # Setup some initial stuff
  38 #
  39 #############################################################
  40
  41 ifeq ($(BR2_INSTALL_LIBGCJ),y)
  42 TARGET_LANGUAGES:=c,c++,java
  43 else
  44 ifeq ($(BR2_INSTALL_LIBSTDCPP),y)
  45 TARGET_LANGUAGES:=c,c++
  46 else
  47 TARGET_LANGUAGES:=c
  48 endif
  49 endif
  50
  51 #############################################################
  52 #
  53 # build the first pass gcc compiler
  54 #
  55 #############################################################
  56 GCC_BUILD_DIR1:=$(TOOL_BUILD_DIR)/gcc-$(GCC_VERSION)-initial
  57
  58 $(DL_DIR)/$(GCC_SOURCE):
  59         mkdir -p $(DL_DIR)
  60         $(SCRIPT_DIR)/download.pl $(DL_DIR) $(GCC_SOURCE) x $(GCC_SITE)
  61
  62 $(GCC_DIR)/.unpacked: $(DL_DIR)/$(GCC_SOURCE)
  63         mkdir -p $(TOOL_BUILD_DIR)
  64         $(GCC_CAT) $(DL_DIR)/$(GCC_SOURCE) | tar -C $(TOOL_BUILD_DIR) $(TAR_OPTIONS) -
  65         touch $(GCC_DIR)/.unpacked
  66
  67 $(GCC_DIR)/.patched: $(GCC_DIR)/.unpacked
  68         # Apply any files named gcc-*.patch from the source directory to gcc
  69         $(SCRIPT_DIR)/patch-kernel.sh $(GCC_DIR) ./$(GCC_VERSION) \*.patch
  70         # Note: The soft float situation has improved considerably with gcc 3.4.x.
  71         # We can dispense with the custom spec files, as well as libfloat for the arm case.
  72         # However, we still need a patch for arm.  There's a similar patch for gcc 3.3.x
  73         # which needs to be integrated so we can kill of libfloat for good, except for
  74         # anyone (?) who might still be using gcc 2.95.  mjn3
  75 ifeq ($(BR2_SOFT_FLOAT),y)
  76 ifeq ("$(strip $(ARCH))","arm")
  77         $(SCRIPT_DIR)/patch-kernel.sh $(GCC_DIR) ./$(GCC_VERSION) arm-softfloat.patch.conditional
  78 endif
  79 ifeq ("$(strip $(ARCH))","armeb")
  80         $(SCRIPT_DIR)/patch-kernel.sh $(GCC_DIR) ./$(GCC_VERSION) arm-softfloat.patch.conditional
  81 endif
  82         # Not yet updated to 3.4.1.
  83         #ifeq ("$(strip $(ARCH))","i386")
  84         #toolchain/patch-kernel.sh $(GCC_DIR) toolchain/gcc i386-gcc-soft-float.patch
  85         #endif
  86 endif
  87         touch $(GCC_DIR)/.patched
  88
  89 # The --without-headers option stopped working with gcc 3.0 and has never been
  90 # # fixed, so we need to actually have working C library header files prior to
  91 # # the step or libgcc will not build...
  92
  93 $(GCC_BUILD_DIR1)/.configured: $(GCC_DIR)/.patched
  94         mkdir -p $(GCC_BUILD_DIR1)
  95         (cd $(GCC_BUILD_DIR1); PATH=$(TARGET_PATH) \
  96                 $(GCC_DIR)/configure \
  97                 --prefix=$(STAGING_DIR) \
  98                 --build=$(GNU_HOST_NAME) \
  99                 --host=$(GNU_HOST_NAME) \
 100                 --target=$(REAL_GNU_TARGET_NAME) \
 101                 --enable-languages=c \
 102                 --disable-shared \
 103                 --with-sysroot=$(TOOL_BUILD_DIR)/uClibc_dev/ \
 104                 --disable-__cxa_atexit \
 105                 --enable-target-optspace \
 106                 --with-gnu-ld \
 107                 $(DISABLE_NLS) \
 108                 $(MULTILIB) \
 109                 $(SOFT_FLOAT_CONFIG_OPTION) \
 110                 $(GCC_WITH_CPU) $(GCC_WITH_ARCH) $(GCC_WITH_TUNE) \
 111                 $(EXTRA_GCC_CONFIG_OPTIONS));
 112         touch $(GCC_BUILD_DIR1)/.configured
 113
 114 $(GCC_BUILD_DIR1)/.compiled: $(GCC_BUILD_DIR1)/.configured
 115         PATH=$(TARGET_PATH) $(MAKE) -C $(GCC_BUILD_DIR1) all-gcc
 116         touch $(GCC_BUILD_DIR1)/.compiled
 117
 118 $(STAGING_DIR)/bin/$(REAL_GNU_TARGET_NAME)-gcc: $(GCC_BUILD_DIR1)/.compiled
 119         PATH=$(TARGET_PATH) $(MAKE) -C $(GCC_BUILD_DIR1) install-gcc
 120         #rm -f $(STAGING_DIR)/bin/gccbug $(STAGING_DIR)/bin/gcov
 121         #rm -rf $(STAGING_DIR)/info $(STAGING_DIR)/man $(STAGING_DIR)/share/doc $(STAGING_DIR)/share/locale
 122
 123 gcc_initial: $(STAGING_DIR)/bin/$(REAL_GNU_TARGET_NAME)-gcc
 124
 125 gcc_initial-clean:
 126         rm -rf $(GCC_BUILD_DIR1)
 127
 128 gcc_initial-toolclean:
 129         rm -rf $(GCC_BUILD_DIR1)
 130
 131 #############################################################
 132 #
 133 # second pass compiler build.  Build the compiler targeting
 134 # the newly built shared uClibc library.
 135 #
 136 #############################################################
 137 #
 138 # Sigh... I had to rework things because using --with-gxx-include-dir
 139 # causes issues with include dir search order for g++.  This seems to
 140 # have something to do with "path translations" and possibly doesn't
 141 # affect gcc-target.  However, I haven't tested gcc-target yet so no
 142 # guarantees.  mjn3
 143
 144 GCC_BUILD_DIR2:=$(TOOL_BUILD_DIR)/gcc-$(GCC_VERSION)-final
 145 $(GCC_BUILD_DIR2)/.configured: $(GCC_DIR)/.patched $(STAGING_DIR)/lib/libc.a
 146         mkdir -p $(GCC_BUILD_DIR2)
 147         # Important!  Required for limits.h to be fixed.
 148         ln -sf ../include $(STAGING_DIR)/$(REAL_GNU_TARGET_NAME)/sys-include
 149         (cd $(GCC_BUILD_DIR2); PATH=$(TARGET_PATH) \
 150                 $(GCC_DIR)/configure \
 151                 --prefix=$(STAGING_DIR) \
 152                 --build=$(GNU_HOST_NAME) \
 153                 --host=$(GNU_HOST_NAME) \
 154                 --target=$(REAL_GNU_TARGET_NAME) \
 155                 --enable-languages=$(TARGET_LANGUAGES) \
 156                 --enable-shared \
 157                 --disable-__cxa_atexit \
 158                 --enable-target-optspace \
 159                 --with-gnu-ld \
 160                 $(DISABLE_NLS) \
 161                 $(MULTILIB) \
 162                 $(SOFT_FLOAT_CONFIG_OPTION) \
 163                 $(GCC_WITH_CPU) $(GCC_WITH_ARCH) $(GCC_WITH_TUNE) \
 164                 $(GCC_USE_SJLJ_EXCEPTIONS) \
 165                 $(EXTRA_GCC_CONFIG_OPTIONS));
 166         touch $(GCC_BUILD_DIR2)/.configured
 167
 168 $(GCC_BUILD_DIR2)/.compiled: $(GCC_BUILD_DIR2)/.configured
 169         PATH=$(TARGET_PATH) $(MAKE) -C $(GCC_BUILD_DIR2) all
 170         touch $(GCC_BUILD_DIR2)/.compiled
 171
 172 gcc-install: $(GCC_BUILD_DIR2)/.compiled
 173         PATH=$(TARGET_PATH) $(MAKE) -C $(GCC_BUILD_DIR2) install
 174         echo $(GCC_VERSION) > $(STAGING_DIR)/gcc_version
 175         # Strip the host binaries
 176 ifeq ($(GCC_STRIP_HOST_BINARIES),true)
 177         -strip --strip-all -R .note -R .comment $(STAGING_DIR)/bin/*
 178 endif
 179         # Set up the symlinks to enable lying about target name.
 180         set -e; \
 181         (cd $(STAGING_DIR); \
 182                 ln -sf $(REAL_GNU_TARGET_NAME) $(GNU_TARGET_NAME); \
 183                 cd bin; \
 184                 for app in $(REAL_GNU_TARGET_NAME)-* ; do \
 185                         ln -sf $${app} \
 186                         $(GNU_TARGET_NAME)$${app##$(REAL_GNU_TARGET_NAME)}; \
 187                 done; \
 188         );
 189         #
 190         # Now for the ugly 3.3.x soft float hack...
 191         #
 192 ifeq ($(BR2_SOFT_FLOAT),y)
 193 ifeq ($(findstring 3.3.,$(GCC_VERSION)),3.3.)
 194         # Make sure we have a soft float specs file for this arch
 195         if [ ! -f ./$(GCC_VERSION)/specs-$(ARCH)-soft-float ] ; then \
 196                 echo soft float configured but no specs file for this arch ; \
 197                 /bin/false ; \
 198         fi;
 199         # Replace specs file with one that defaults to soft float mode.
 200         if [ ! -f $(STAGING_DIR)/lib/gcc-lib/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)/specs ] ; then \
 201                 echo staging dir specs file is missing ; \
 202                 /bin/false ; \
 203         fi;
 204         cp ./$(GCC_VERSION)/specs-$(ARCH)-soft-float $(STAGING_DIR)/lib/gcc-lib/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)/specs
 205 endif
 206 endif
 207
 208 gcc: gcc_initial $(LIBFLOAT_TARGET) \
 209         gcc-install $(GCC_TARGETS)
 210
 211 gcc-source: $(DL_DIR)/$(GCC_SOURCE)
 212
 213 gcc-clean:
 214         rm -rf $(GCC_DIR)
 215         rm -rf $(GCC_BUILD_DIR2)
 216         rm -f $(STAGING_DIR)/bin/$(REAL_GNU_TARGET_NAME)-gc*
 217         rm -f $(STAGING_DIR)/bin/$(REAL_GNU_TARGET_NAME)-c*
 218
 219 gcc-toolclean:
 220         rm -rf $(GCC_BUILD_DIR2)
 221
 222 #############################################################
 223 #
 224 # Next build target gcc compiler
 225 #
 226 #############################################################
 227 GCC_BUILD_DIR3:=$(BUILD_DIR)/gcc-$(GCC_VERSION)-target
 228
 229 $(GCC_BUILD_DIR3)/.configured: gcc-install
 230         mkdir -p $(GCC_BUILD_DIR3)
 231         (cd $(GCC_BUILD_DIR3); PATH=$(TARGET_PATH) \
 232                 $(GCC_DIR)/configure \
 233                 --prefix=/usr \
 234                 --build=$(GNU_HOST_NAME) \
 235                 --host=$(REAL_GNU_TARGET_NAME) \
 236                 --target=$(REAL_GNU_TARGET_NAME) \
 237                 --enable-languages=$(TARGET_LANGUAGES) \
 238                 --enable-shared \
 239                 --with-gxx-include-dir=/usr/include/c++ \
 240                 --disable-__cxa_atexit \
 241                 --enable-target-optspace \
 242                 --with-gnu-ld \
 243                 $(DISABLE_NLS) \
 244                 $(MULTILIB) \
 245                 $(SOFT_FLOAT_CONFIG_OPTION) \
 246                 $(GCC_WITH_CPU) $(GCC_WITH_ARCH) $(GCC_WITH_TUNE) \
 247                 $(GCC_USE_SJLJ_EXCEPTIONS) \
 248                 $(EXTRA_GCC_CONFIG_OPTIONS));
 249         touch $(GCC_BUILD_DIR3)/.configured
 250
 251 $(GCC_BUILD_DIR3)/.compiled: $(GCC_BUILD_DIR3)/.configured
 252         PATH=$(TARGET_PATH) \
 253         $(MAKE) $(TARGET_GCC_ARGS) -C $(GCC_BUILD_DIR3) all
 254         touch $(GCC_BUILD_DIR3)/.compiled
 255
 256 #
 257 # gcc-lib dir changes names to gcc with 3.4.mumble
 258 #
 259 ifeq ($(findstring 3.4.,$(GCC_VERSION)),3.4.)
 260 GCC_LIB_SUBDIR=lib/gcc/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)
 261 else
 262 GCC_LIB_SUBDIR=lib/gcc-lib/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)
 263 endif
 264