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 ifneq ($(findstring 2.95,$(GCC_VERSION)),2.95)
  21 GCC_VERSION:=$(strip $(GCC_VERSION))
  22
  23 #GCC_SITE:=ftp://ftp.gnu.org/gnu/gcc/releases/gcc-$(GCC_VERSION)
  24 GCC_SITE:=http://mirrors.rcn.net/pub/sourceware/gcc/releases/gcc-$(GCC_VERSION)
  25
  26 #
  27 # snapshots....
  28 #GCC_VERSION:=3.3-20031013
  29 #GCC_SITE:=http://gcc.get-software.com/snapshots/$(GCC_VERSION)
  30 #
  31 GCC_SOURCE:=gcc-$(GCC_VERSION).tar.bz2
  32 GCC_DIR:=$(TOOL_BUILD_DIR)/gcc-$(GCC_VERSION)
  33 GCC_CAT:=bzcat
  34 GCC_STRIP_HOST_BINARIES:=true
  35
  36 #############################################################
  37 #
  38 # Setup some initial stuff
  39 #
  40 #############################################################
  41
  42 ifeq ($(BR2_INSTALL_LIBGCJ),y)
  43 TARGET_LANGUAGES:=c,c++,java
  44 else
  45 ifeq ($(BR2_INSTALL_LIBSTDCPP),y)
  46 TARGET_LANGUAGES:=c,c++
  47 else
  48 TARGET_LANGUAGES:=c
  49 endif
  50 endif
  51
  52 #############################################################
  53 #
  54 # build the first pass gcc compiler
  55 #
  56 #############################################################
  57 GCC_BUILD_DIR1:=$(TOOL_BUILD_DIR)/gcc-$(GCC_VERSION)-initial
  58
  59 $(DL_DIR)/$(GCC_SOURCE):
  60         mkdir -p $(DL_DIR)
  61         $(WGET) -P $(DL_DIR) $(GCC_SITE)/$(GCC_SOURCE)
  62
  63 $(GCC_DIR)/.unpacked: $(DL_DIR)/$(GCC_SOURCE)
  64         mkdir -p $(TOOL_BUILD_DIR)
  65         $(GCC_CAT) $(DL_DIR)/$(GCC_SOURCE) | tar -C $(TOOL_BUILD_DIR) $(TAR_OPTIONS) -
  66         touch $(GCC_DIR)/.unpacked
  67
  68 $(GCC_DIR)/.patched: $(GCC_DIR)/.unpacked
  69         # Apply any files named gcc-*.patch from the source directory to gcc
  70         toolchain/patch-kernel.sh $(GCC_DIR) toolchain/gcc/$(GCC_VERSION) \*.patch
  71         # Note: The soft float situation has improved considerably with gcc 3.4.x.
  72         # We can dispense with the custom spec files, as well as libfloat for the arm case.
  73         # However, we still need a patch for arm.  There's a similar patch for gcc 3.3.x
  74         # which needs to be integrated so we can kill of libfloat for good, except for
  75         # anyone (?) who might still be using gcc 2.95.  mjn3
  76 ifeq ($(BR2_SOFT_FLOAT),y)
  77 ifeq ("$(strip $(ARCH))","arm")
  78         toolchain/patch-kernel.sh $(GCC_DIR) toolchain/gcc/$(GCC_VERSION) arm-softfloat.patch.conditional
  79 endif
  80 ifeq ("$(strip $(ARCH))","armeb")
  81         toolchain/patch-kernel.sh $(GCC_DIR) toolchain/gcc/$(GCC_VERSION) arm-softfloat.patch.conditional
  82 endif
  83         # Not yet updated to 3.4.1.
  84         #ifeq ("$(strip $(ARCH))","i386")
  85         #toolchain/patch-kernel.sh $(GCC_DIR) toolchain/gcc i386-gcc-soft-float.patch
  86         #endif
  87 endif
  88         touch $(GCC_DIR)/.patched
  89
  90 # The --without-headers option stopped working with gcc 3.0 and has never been
  91 # # fixed, so we need to actually have working C library header files prior to
  92 # # the step or libgcc will not build...
  93
  94 $(GCC_BUILD_DIR1)/.configured: $(GCC_DIR)/.patched
  95         mkdir -p $(GCC_BUILD_DIR1)
  96         (cd $(GCC_BUILD_DIR1); PATH=$(TARGET_PATH) \
  97                 $(GCC_DIR)/configure \
  98                 --prefix=$(STAGING_DIR) \
  99                 --build=$(GNU_HOST_NAME) \
 100                 --host=$(GNU_HOST_NAME) \
 101                 --target=$(REAL_GNU_TARGET_NAME) \
 102                 --enable-languages=c \
 103                 --disable-shared \
 104                 --with-sysroot=$(TOOL_BUILD_DIR)/uClibc_dev/ \
 105                 --disable-__cxa_atexit \
 106                 --enable-target-optspace \
 107                 --with-gnu-ld \
 108                 $(DISABLE_NLS) \
 109                 $(MULTILIB) \
 110                 $(SOFT_FLOAT_CONFIG_OPTION) \
 111                 $(GCC_WITH_CPU) $(GCC_WITH_ARCH) $(GCC_WITH_TUNE) \
 112                 $(EXTRA_GCC_CONFIG_OPTIONS));
 113         touch $(GCC_BUILD_DIR1)/.configured
 114
 115 $(GCC_BUILD_DIR1)/.compiled: $(GCC_BUILD_DIR1)/.configured
 116         PATH=$(TARGET_PATH) $(MAKE) -C $(GCC_BUILD_DIR1) all-gcc
 117         touch $(GCC_BUILD_DIR1)/.compiled
 118
 119 $(STAGING_DIR)/bin/$(REAL_GNU_TARGET_NAME)-gcc: $(GCC_BUILD_DIR1)/.compiled
 120         PATH=$(TARGET_PATH) $(MAKE) -C $(GCC_BUILD_DIR1) install-gcc
 121         #rm -f $(STAGING_DIR)/bin/gccbug $(STAGING_DIR)/bin/gcov
 122         #rm -rf $(STAGING_DIR)/info $(STAGING_DIR)/man $(STAGING_DIR)/share/doc $(STAGING_DIR)/share/locale
 123
 124 gcc_initial: uclibc-configured binutils $(STAGING_DIR)/bin/$(REAL_GNU_TARGET_NAME)-gcc
 125
 126 gcc_initial-clean:
 127         rm -rf $(GCC_BUILD_DIR1)
 128         rm -f $(STAGING_DIR)/bin/$(REAL_GNU_TARGET_NAME)*
 129
 130 gcc_initial-toolclean:
 131         rm -rf $(GCC_BUILD_DIR1)
 132
 133 #############################################################
 134 #
 135 # second pass compiler build.  Build the compiler targeting
 136 # the newly built shared uClibc library.
 137 #
 138 #############################################################
 139 #
 140 # Sigh... I had to rework things because using --with-gxx-include-dir
 141 # causes issues with include dir search order for g++.  This seems to
 142 # have something to do with "path translations" and possibly doesn't
 143 # affect gcc-target.  However, I haven't tested gcc-target yet so no
 144 # guarantees.  mjn3
 145
 146 GCC_BUILD_DIR2:=$(TOOL_BUILD_DIR)/gcc-$(GCC_VERSION)-final
 147 $(GCC_BUILD_DIR2)/.configured: $(GCC_DIR)/.patched $(STAGING_DIR)/lib/libc.a
 148         mkdir -p $(GCC_BUILD_DIR2)
 149         # Important!  Required for limits.h to be fixed.
 150         ln -sf ../include $(STAGING_DIR)/$(REAL_GNU_TARGET_NAME)/sys-include
 151         (cd $(GCC_BUILD_DIR2); PATH=$(TARGET_PATH) \
 152                 $(GCC_DIR)/configure \
 153                 --prefix=$(STAGING_DIR) \
 154                 --build=$(GNU_HOST_NAME) \
 155                 --host=$(GNU_HOST_NAME) \
 156                 --target=$(REAL_GNU_TARGET_NAME) \
 157                 --enable-languages=$(TARGET_LANGUAGES) \
 158                 --enable-shared \
 159                 --disable-__cxa_atexit \
 160                 --enable-target-optspace \
 161                 --with-gnu-ld \
 162                 $(DISABLE_NLS) \
 163                 $(MULTILIB) \
 164                 $(SOFT_FLOAT_CONFIG_OPTION) \
 165                 $(GCC_WITH_CPU) $(GCC_WITH_ARCH) $(GCC_WITH_TUNE) \
 166                 $(GCC_USE_SJLJ_EXCEPTIONS) \
 167                 $(EXTRA_GCC_CONFIG_OPTIONS));
 168         touch $(GCC_BUILD_DIR2)/.configured
 169
 170 $(GCC_BUILD_DIR2)/.compiled: $(GCC_BUILD_DIR2)/.configured
 171         PATH=$(TARGET_PATH) $(MAKE) -C $(GCC_BUILD_DIR2) all
 172         touch $(GCC_BUILD_DIR2)/.compiled
 173
 174 $(GCC_BUILD_DIR2)/.installed: $(GCC_BUILD_DIR2)/.compiled
 175         PATH=$(TARGET_PATH) $(MAKE) -C $(GCC_BUILD_DIR2) install
 176         # Strip the host binaries
 177 ifeq ($(GCC_STRIP_HOST_BINARIES),true)
 178         -strip --strip-all -R .note -R .comment $(STAGING_DIR)/bin/*
 179 endif
 180         # Set up the symlinks to enable lying about target name.
 181         set -e; \
 182         (cd $(STAGING_DIR); \
 183                 ln -sf $(REAL_GNU_TARGET_NAME) $(GNU_TARGET_NAME); \
 184                 cd bin; \
 185                 for app in $(REAL_GNU_TARGET_NAME)-* ; do \
 186                         ln -sf $${app} \
 187                         $(GNU_TARGET_NAME)$${app##$(REAL_GNU_TARGET_NAME)}; \
 188                 done; \
 189         );
 190         #
 191         # Now for the ugly 3.3.x soft float hack...
 192         #
 193 ifeq ($(BR2_SOFT_FLOAT),y)
 194 ifeq ($(findstring 3.3.,$(GCC_VERSION)),3.3.)
 195         # Make sure we have a soft float specs file for this arch
 196         if [ ! -f toolchain/gcc/$(GCC_VERSION)/specs-$(ARCH)-soft-float ] ; then \
 197                 echo soft float configured but no specs file for this arch ; \
 198                 /bin/false ; \
 199         fi;
 200         # Replace specs file with one that defaults to soft float mode.
 201         if [ ! -f $(STAGING_DIR)/lib/gcc-lib/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)/specs ] ; then \
 202                 echo staging dir specs file is missing ; \
 203                 /bin/false ; \
 204         fi;
 205         cp toolchain/gcc/$(GCC_VERSION)/specs-$(ARCH)-soft-float $(STAGING_DIR)/lib/gcc-lib/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)/specs
 206 endif
 207 endif
 208         #
 209         # Ok... that's enough of that.
 210         #
 211         touch $(GCC_BUILD_DIR2)/.installed
 212
 213 $(TARGET_DIR)/lib/libgcc_s.so.1: $(GCC_BUILD_DIR2)/.installed
 214         # These are in /lib, so...
 215         rm -rf $(TARGET_DIR)/usr/lib/libgcc_s.so*
 216         -$(STRIP) $(STAGING_DIR)/$(REAL_GNU_TARGET_NAME)/lib/libgcc_s.so.1
 217         -cp -a $(STAGING_DIR)/$(REAL_GNU_TARGET_NAME)/lib/libgcc_s* $(TARGET_DIR)/lib/
 218
 219 gcc: uclibc-configured binutils gcc_initial $(LIBFLOAT_TARGET) uclibc \
 220         $(TARGET_DIR)/lib/libgcc_s.so.1 $(GCC_BUILD_DIR2)/.installed $(GCC_TARGETS)
 221
 222 gcc-source: $(DL_DIR)/$(GCC_SOURCE)
 223
 224 gcc-clean:
 225         rm -rf $(GCC_BUILD_DIR2)
 226         rm -f $(STAGING_DIR)/bin/$(REAL_GNU_TARGET_NAME)*
 227
 228 gcc-toolclean:
 229         rm -rf $(GCC_BUILD_DIR2)
 230
 231 #############################################################
 232 #
 233 # Next build target gcc compiler
 234 #
 235 #############################################################
 236 GCC_BUILD_DIR3:=$(BUILD_DIR)/gcc-$(GCC_VERSION)-target
 237
 238 $(GCC_BUILD_DIR3)/.configured: $(GCC_BUILD_DIR2)/.installed
 239         mkdir -p $(GCC_BUILD_DIR3)
 240         (cd $(GCC_BUILD_DIR3); PATH=$(TARGET_PATH) \
 241                 $(GCC_DIR)/configure \
 242                 --prefix=/usr \
 243                 --build=$(GNU_HOST_NAME) \
 244                 --host=$(REAL_GNU_TARGET_NAME) \
 245                 --target=$(REAL_GNU_TARGET_NAME) \
 246                 --enable-languages=$(TARGET_LANGUAGES) \
 247                 --enable-shared \
 248                 --with-gxx-include-dir=/usr/include/c++ \
 249                 --disable-__cxa_atexit \
 250                 --enable-target-optspace \
 251                 --with-gnu-ld \
 252                 $(DISABLE_NLS) \
 253                 $(MULTILIB) \
 254                 $(SOFT_FLOAT_CONFIG_OPTION) \
 255                 $(GCC_WITH_CPU) $(GCC_WITH_ARCH) $(GCC_WITH_TUNE) \
 256                 $(GCC_USE_SJLJ_EXCEPTIONS) \
 257                 $(EXTRA_GCC_CONFIG_OPTIONS));
 258         touch $(GCC_BUILD_DIR3)/.configured
 259
 260 $(GCC_BUILD_DIR3)/.compiled: $(GCC_BUILD_DIR3)/.configured
 261         PATH=$(TARGET_PATH) \
 262         $(MAKE) $(TARGET_GCC_ARGS) -C $(GCC_BUILD_DIR3) all
 263         touch $(GCC_BUILD_DIR3)/.compiled
 264
 265 #
 266 # gcc-lib dir changes names to gcc with 3.4.mumble
 267 #
 268 ifeq ($(findstring 3.4.,$(GCC_VERSION)),3.4.)
 269 GCC_LIB_SUBDIR=lib/gcc/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)
 270 else
 271 GCC_LIB_SUBDIR=lib/gcc-lib/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)
 272 endif
 273
 274 $(TARGET_DIR)/usr/bin/gcc: $(GCC_BUILD_DIR3)/.compiled
 275         PATH=$(TARGET_PATH) \
 276         $(MAKE) DESTDIR=$(TARGET_DIR) -C $(GCC_BUILD_DIR3) install
 277         # Remove broken specs file (cross compile flag is set).
 278         rm -f $(TARGET_DIR)/usr/$(GCC_LIB_SUBDIR)/specs
 279         #
 280         # Now for the ugly 3.3.x soft float hack...
 281         #
 282 ifeq ($(BR2_SOFT_FLOAT),y)
 283 ifeq ($(findstring 3.3.,$(GCC_VERSION)),3.3.)
 284         # Add a specs file that defaults to soft float mode.
 285         cp toolchain/gcc/$(GCC_VERSION)/specs-$(ARCH)-soft-float $(TARGET_DIR)/usr/lib/gcc-lib/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)/specs
 286         # Make sure gcc does not think we are cross compiling
 287         $(SED) "s/^1/0/;" $(TARGET_DIR)/usr/lib/gcc-lib/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)/specs
 288 endif
 289 endif
 290         #
 291         # Ok... that's enough of that.
 292         #
 293         -(cd $(TARGET_DIR)/bin; find -type f | xargs $(STRIP) > /dev/null 2>&1)
 294         -(cd $(TARGET_DIR)/usr/bin; find -type f | xargs $(STRIP) > /dev/null 2>&1)
 295         -(cd $(TARGET_DIR)/usr/$(GCC_LIB_SUBDIR); $(STRIP) cc1 cc1plus collect2 > /dev/null 2>&1)
 296         -(cd $(TARGET_DIR)/usr/lib; $(STRIP) libstdc++.so.*.*.* > /dev/null 2>&1)
 297         -(cd $(TARGET_DIR)/lib; $(STRIP) libgcc_s.so.*.*.* > /dev/null 2>&1)
 298         #
 299         rm -f $(TARGET_DIR)/usr/lib/*.la*
 300         #rm -rf $(TARGET_DIR)/share/locale $(TARGET_DIR)/usr/info \
 301         #       $(TARGET_DIR)/usr/man $(TARGET_DIR)/usr/share/doc
 302         # Work around problem of missing syslimits.h
 303         @if [ ! -f $(TARGET_DIR)/usr/$(GCC_LIB_SUBDIR)/include/syslimits.h ] ; then \
 304                 echo "warning: working around missing syslimits.h" ; \
 305                 cp -f $(STAGING_DIR)/$(GCC_LIB_SUBDIR)/include/syslimits.h \
 306                         $(TARGET_DIR)/usr/$(GCC_LIB_SUBDIR)/include/ ; \
 307         fi
 308         # These are in /lib, so...
 309         #rm -rf $(TARGET_DIR)/usr/lib/libgcc_s.so*
 310         #touch -c $(TARGET_DIR)/usr/bin/gcc
 311
 312 gcc_target: uclibc_target binutils_target $(TARGET_DIR)/usr/bin/gcc
 313
 314 gcc_target-clean:
 315         rm -rf $(GCC_BUILD_DIR3)
 316         rm -f $(TARGET_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)*
 317
 318 gcc_target-toolclean:
 319         rm -rf $(GCC_BUILD_DIR3)
 320
 321 endif