toolchain/scripts/GCC-4.7.3-Pass_2

   1 #!/bin/bash
   2
   3 pkgname="gcc-4.7.3"
   4 archive="$pkgname".tar.bz2
   5 tar_flags="-xjf"
   6 make_flags="--jobs=4 --quiet"
   7
   8 set -u
   9 set -e
  10
  11 cd $LFS/sources
  12
  13 echo "======> extraction de l'archive $archive"
  14 tar "$tar_flags" "$archive"
  15
  16 cd "$pkgname"
  17
  18 echo "======> creation d'une version complete de limit.h"
  19 cat gcc/limitx.h gcc/glimits.h gcc/limity.h > \
  20         `dirname $($LFS_TGT-gcc -print-libgcc-file-name)`/include-fixed/limits.h
  21
  22 echo "======> ajout de -fomit-frame-pointer pour la compilation"
  23 cp gcc/Makefile.in{,.tmp}
  24 sed 's/^T_CFLAGS =$/& -fomit-frame-pointer/' gcc/Makefile.in.tmp \
  25         > gcc/Makefile.in
  26
  27 echo "======> extraction de l'archive mpfr-3.1.1.tar.xz"
  28 tar -Jxf ../mpfr-3.1.1.tar.xz
  29 mv mpfr-3.1.1 mpfr
  30 echo "======> extraction de l'archive gmp-5.1.1.tar.xz"
  31 tar -Jxf ../gmp-5.1.1.tar.xz
  32 mv gmp-5.1.1 gmp
  33 echo "======> extraction de l'archive mpc-1.0.1.tar.gz"
  34 tar -zxf ../mpc-1.0.1.tar.gz
  35 mv mpc-1.0.1 mpc
  36
  37 echo "======> changement du dynamic linker"
  38 for file in \
  39         $(find gcc/config -name linux64.h -o -name linux.h -o -name sysv4.h)
  40 do
  41         cp -u $file{,.orig}
  42         sed -e 's@/lib\(64\)\?\(32\)\?/ld@/tools&@g' \
  43             -e 's@/usr@/tools@g' $file.orig > $file
  44         echo '
  45 #undef STANDARD_STARTFILE_PREFIX_1
  46 #undef STANDARD_STARTFILE_PREFIX_2
  47 #define STANDARD_STARTFILE_PREFIX_1 "/tools/lib/"
  48 #define STANDARD_STARTFILE_PREFIX_2 ""' >> $file
  49         touch $file.orig
  50 done
  51
  52 echo "======> desactivation de la compilation des fichiers .info"
  53 sed -i 's/BUILD_INFO=info/BUILD_INFO=/' gcc/configure
  54
  55 cd ../
  56
  57 mkdir -v "$pkgname"-build
  58 cd "$pkgname"-build
  59
  60 echo "======> execution du script de configuration"
  61 CC=$LFS_TGT-gcc \
  62 AR=$LFS_TGT-ar \
  63 RANLIB=$LFS_TGT-ranlib \
  64 ../"$pkgname"/configure --quiet \
  65         --prefix=/tools \
  66         --with-local-prefix=/tools \
  67         --with-native-system-header-dir=/tools/include \
  68         --enable-clocale=gnu \
  69         --enable-shared \
  70         --enable-threads=posix \
  71         --enable-__cxa_atexit \
  72         --enable-languages=c,c++ \
  73         --disable-libstdcxx-pch \
  74         --disable-multilib \
  75         --disable-bootstrap \
  76         --disable-libgomp \
  77         --with-mpfr-include=$(pwd)/../$pkgname/mpfr/src \
  78         --with-mpfr-lib=$(pwd)/mpfr/src/.libs
  79
  80 echo "======> compilation de $pkgname"
  81 make $make_flags
  82
  83 echo "======> installation de $pkgname"
  84 make install
  85
  86 echo "======> creation d'un lien symbolique cc -> gcc"
  87 ln -s gcc /tools/bin/cc
  88
  89 echo "======> verification de la toolchain"
  90 echo 'main(){}' > dummy.c
  91 cc dummy.c
  92 readelf -l a.out | grep ': /tools'
  93
  94 echo "======> supression du repertoire" "$pkgname"-build
  95 cd ../
  96 rm -rf "$pkgname"-build
  97
  98 echo "======> supression du rÃpertoire $pkgname"
  99 rm -rf "$pkgname"
 100
 101 echo "======> compilation et installation de $pkgname reussi"
 102 exit 0