stages/1/05-gcc

   1 # Build script for gcc.
   2 #
   3 # Copyright (c) 2016-2019 Matias Fonzo, <selk@dragora.org>.
   4 #
   5 # Licensed under the Apache License, Version 2.0 (the "License");
   6 # you may not use this file except in compliance with the License.
   7 # You may obtain a copy of the License at
   8 #
   9 #    http://www.apache.org/licenses/LICENSE-2.0
  10 #
  11 # Unless required by applicable law or agreed to in writing, software
  12 # distributed under the License is distributed on an "AS IS" BASIS,
  13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 # See the License for the specific language governing permissions and
  15 # limitations under the License.
  16
  17 version=9-20191005
  18
  19 # Prerequisites
  20 gmp_version=6.1.2
  21 mpfr_version=4.0.2
  22 mpc_version=1.1.0
  23 isl_version=0.21
  24
  25 cd -- "$TMPDIR"
  26
  27 rm -rf gcc-${version} gmp-${gmp_version} \
  28        mpfr-${mpfr_version} mpc-${mpc_version} isl-${isl_version}
  29 unpack "${worktree}/sources/gcc-${version}.tar.xz" \
  30        "${worktree}/sources/gmp-${gmp_version}.tar.lz" \
  31        "${worktree}/sources/mpfr-${mpfr_version}.tar.bz2" \
  32        "${worktree}/sources/mpc-${mpc_version}.tar.gz" \
  33        "${worktree}/sources/isl-${isl_version}.tar.bz2"
  34
  35 # Build instructions
  36 cd gcc-${version}
  37
  38 # Apply specific patches for the support in musl.
  39 # http://port70.net/~nsz/musl/gcc-9.1.0/
  40
  41 patch -Np1 -i "${worktree}/patches/gcc/230-musl_libssp.patch"
  42 patch -Np1 -i "${worktree}/patches/gcc/0002-posix_memalign.patch"
  43 patch -Np1 -i "${worktree}/patches/gcc/0003-libatomic-test-fix.patch"
  44 patch -Np1 -i "${worktree}/patches/gcc/0004-libgomp-test-fix.patch"
  45 patch -Np1 -i "${worktree}/patches/gcc/0005-libitm-test-fix.patch"
  46 patch -Np1 -i "${worktree}/patches/gcc/0006-libvtv-test-fix.patch"
  47 patch -Np1 -i "${worktree}/patches/gcc/0007-j2.patch"
  48 patch -Np1 -i "${worktree}/patches/gcc/0008-s390x-muslldso.patch"
  49 patch -Np1 -i "${worktree}/patches/gcc/0009-microblaze-pr65649.patch"
  50 patch -Np1 -i "${worktree}/patches/gcc/0010-ldbl128-config.patch"
  51 patch -Np1 -i "${worktree}/patches/gcc/0011-m68k.patch"
  52 patch -Np1 -i "${worktree}/patches/gcc/0012-static-pie.patch"
  53 patch -Np1 -i "${worktree}/patches/gcc/0013-invalid-tls-model.patch"
  54 patch -Np1 -i "${worktree}/patches/gcc/turn-on-relro-bydefault.patch"
  55
  56 # Hard code default paths to look in /tools
  57 for file in \
  58  gcc/config/linux.h gcc/config/i386/linux.h gcc/config/i386/linux64.h \
  59  gcc/config/arm/linux-eabi.h gcc/config/arm/linux-elf.h \
  60  gcc/config/mips/linux.h \
  61  gcc/config/rs6000/linux64.h gcc/config/rs6000/sysv4.h \
  62  gcc/config/aarch64/aarch64-linux.h \
  63  gcc/config/microblaze/linux.h \
  64  gcc/config/sh/linux.h \
  65  gcc/config/riscv/linux.h ; \
  66 do
  67     if test ! -f "$file"
  68     then
  69         echo "WARNING: ${0}: Non-existent file: $file" 1>&2
  70         continue;
  71     fi
  72     sed -i \
  73      -e 's@/lib\(64\)\{0,1\}\(32\)\{0,1\}/ld@/tools&@g' \
  74      -e 's@/usr@/tools@g' "$file"
  75     echo '
  76 #undef STANDARD_STARTFILE_PREFIX_1
  77 #undef STANDARD_STARTFILE_PREFIX_2
  78 #define STANDARD_STARTFILE_PREFIX_1 "/tools/lib/"
  79 #define STANDARD_STARTFILE_PREFIX_2 ""' >> "$file"
  80 done
  81
  82 # Make symlinks for requisites
  83 ln -s ../gmp-${gmp_version} gmp
  84 ln -s ../mpfr-${mpfr_version} mpfr
  85 ln -s ../mpc-${mpc_version} mpc
  86 ln -s ../isl-${isl_version} isl
  87
  88 # Apply patches for MPFR
  89 (
  90     cd mpfr || exit 1
  91
  92     for file in "${worktree}"/patches/mpfr/*
  93     do
  94         if test -f "$file"
  95         then
  96             rm -f PATCHES
  97             patch -p1 < "$file"
  98         fi
  99     done
 100 )
 101
 102 # Update detection for hosts based on musl
 103
 104 cp -f "${worktree}/archive/common/config.guess" gmp/configfsf.guess
 105 cp -f "${worktree}/archive/common/config.sub" gmp/config.sub
 106
 107 for directory in mpfr mpc isl
 108 do
 109     cp -f "${worktree}/archive/common/config.guess" ${directory}/config.guess
 110     cp -f "${worktree}/archive/common/config.sub" ${directory}/config.sub
 111 done
 112 unset directory
 113
 114 # Build in a separate directory
 115 rm -rf ../gcc-build
 116 mkdir ../gcc-build
 117 cd ../gcc-build
 118
 119 # Import and export toolchain variables
 120 . "${worktree}/stages/env.d/cross-staticenv"
 121
 122 ../gcc-${version}/configure \
 123 AR="$AR" AS="$AS" LD="$LD" RANLIB="$RANLIB" READELF="$READELF" STRIP="$STRIP" \
 124 CC="$BTCC" CXX="$BTCXX" \
 125 CFLAGS="$BTCFLAGS" CXXFLAGS="$BTCXXFLAGS" LDFLAGS="$BTLDFLAGS" \
 126  --prefix=/tools \
 127  --libdir=/tools/lib${libSuffix} \
 128  --build=$host \
 129  --host=$target \
 130  --target=$target \
 131  --enable-languages=c,c++ \
 132  --enable-clocale=generic \
 133  --enable-cet=auto \
 134  --enable-tls \
 135  --enable-libstdcxx-time \
 136  --enable-install-libiberty \
 137  --enable-fully-dynamic-string \
 138  --enable-default-ssp \
 139  --enable-default-pie \
 140  --enable-libssp \
 141  --disable-symvers \
 142  --disable-bootstrap \
 143  --disable-libstdcxx-pch \
 144  --disable-gnu-indirect-function \
 145  --disable-libmudflap \
 146  --disable-libsanitizer \
 147  --disable-nls \
 148  --with-local-prefix=/tools \
 149  --with-native-system-header-dir=/tools/include \
 150  $multilib_options \
 151  $gcc_options
 152
 153 make -j${jobs} all \
 154  AS_FOR_TARGET="$AS" \
 155  LD_FOR_TARGET="$LD"
 156
 157 make -j${jobs} install
 158
 159 # Provide minimal libssp_nonshared.a
 160
 161 $BTCC -c "${worktree}/archive/gcc/__stack_chk_fail_local.c" \
 162       -o __stack_chk_fail_local.o
 163 $AR rc libssp_nonshared.a __stack_chk_fail_local.o
 164 $RANLIB libssp_nonshared.a
 165 cp -p libssp_nonshared.a /tools/lib${libSuffix}
 166
 167 # Unset some imported variables from file
 168 unset AR AS LD RANLIB READELF STRIP
 169
 170 cd -- "$TMPDIR"
 171
 172 cleanup()
 173 {
 174     rm -rf gcc-${version} gcc-build \
 175      gmp-${gmp_version} mpfr-${mpfr_version} \
 176      mpc-${mpc_version} isl-${isl_version}
 177 }
 178