slides/practice-c0/gcc-build.sh

   1 #! /usr/bin/bash
   2 sudo apt update &&\
   3      apt install -y \
   4         build-essential \
   5         bison\
   6         flex\
   7         libgmp3-dev\
   8         libmpc-dev\
   9         libmpfr-dev\
  10         texinfo
  11
  12 BINUTIL_VERSION=2.37
  13 BINUTIL_URL=https://ftp.gnu.org/gnu/binutils/binutils-2.37.tar.xz
  14
  15 GCC_VERSION=11.2.0
  16 GCC_URL=https://ftp.gnu.org/gnu/gcc/gcc-11.2.0/gcc-11.2.0.tar.xz
  17
  18 GCC_SRC="gcc-${GCC_VERSION}"
  19 BINUTIL_SRC="binutils-${BINUTIL_VERSION}"
  20
  21 # download gcc & binutil src code
  22
  23 export PREFIX="$HOME/cross-compiler"
  24 export TARGET=i686-elf
  25 export PATH="$PREFIX/bin:$PATH"
  26
  27 mkdir -p "${PREFIX}"
  28 mkdir -p "${HOME}/toolchain/binutils-build"
  29 mkdir -p "${HOME}/toolchain/gcc-build"
  30
  31 cd "${HOME}/toolchain"
  32
  33 if [ ! -d "${HOME}/toolchain/${GCC_SRC}" ]
  34 then
  35         (wget -O "${GCC_SRC}.tar" ${GCC_URL} \
  36                 && tar -xf "${GCC_SRC}.tar") || exit
  37         rm -f "${GCC_SRC}.tar"
  38 else
  39         echo "skip downloading gcc"
  40 fi
  41
  42 if [ ! -d "${HOME}/toolchain/${BINUTIL_SRC}" ]
  43 then
  44         (wget -O "${BINUTIL_SRC}.tar" ${BINUTIL_URL} \
  45                 && tar -xf "${BINUTIL_SRC}.tar") || exit
  46         rm -f "${BINUTIL_SRC}.tar"
  47 else
  48         echo "skip downloading binutils"
  49 fi
  50
  51 echo "Building binutils"
  52
  53 cd "${HOME}/toolchain/binutils-build"
  54
  55 ("${HOME}/toolchain/${BINUTIL_SRC}/configure" --target=$TARGET --prefix="$PREFIX" \
  56         --with-sysroot --disable-nls --disable-werror) || exit
  57
  58 (make && make install) || exit
  59
  60 echo "Binutils build successfully!"
  61
  62 echo "Building GCC"
  63
  64 cd "${HOME}/toolchain/gcc-build"
  65
  66 which -- "$TARGET-as" || echo "$TARGET-as is not in the PATH"
  67
  68 ("${HOME}/toolchain/${GCC_SRC}/configure" --target=$TARGET --prefix="$PREFIX" \
  69         --disable-nls --enable-languages=c,c++ --without-headers) || exit
  70
  71 (make all-gcc &&\
  72  make all-target-libgcc &&\
  73  make install-gcc &&\
  74  make install-target-libgcc) || exit
  75
  76 echo "done"