drd/scripts/download-and-build-gcc

   1 #!/usr/bin/env bash
   2
   3 GCC_VERSION=13.3.0
   4 if [[ $# -eq 1 ]] ; then
   5   GCC_VERSION=$1
   6 fi
   7 GIT_REPO=git://gcc.gnu.org/git/gcc.git
   8 SRCDIR=${HOME}/software
   9 REPO=${SRCDIR}/gcc
  10 BUILD=${REPO}/build
  11 PREFIX=${HOME}/gcc-${GCC_VERSION}
  12 export LC_ALL=C
  13
  14 OS=$(uname -s)
  15 case ${OS} in
  16   Linux)
  17     MAKE=make
  18     MAKEFLAGS="-j$(($(grep -c '^processor' /proc/cpuinfo) + 1))"
  19     ;;
  20   FreeBSD)
  21     MAKE=gmake
  22     MAKEFLAGS="-j$(sysctl -n hw.ncpu)"
  23     ;;
  24   *)
  25     echo "Unsupported OS"
  26     exit 1
  27     ;;
  28 esac
  29 export MAKEFLAGS
  30
  31 rm -rf   ${BUILD}     || exit $?
  32 rm -rf   ${PREFIX}    || exit $?
  33 mkdir -p ${SRCDIR}    || exit $?
  34
  35 if [ ! -e ${REPO} ]; then
  36   cd ${SRCDIR}
  37   git clone ${GIT_REPO} gcc || exit $?
  38 fi
  39
  40 cd       ${REPO}                         || exit $?
  41 git checkout releases/gcc-${GCC_VERSION} || exit $?
  42 rm -rf gmp* mpfr* mpc* isl*              || exit $?
  43 ./contrib/download_prerequisites
  44 mkdir -p ${BUILD}                        || exit $?
  45 cd       ${BUILD}                        || exit $?
  46
  47 ${REPO}/configure            \
  48   --disable-linux-futex     \
  49   --disable-mudflap         \
  50   --disable-nls             \
  51   --enable-languages=c,c++  \
  52   --enable-threads=posix    \
  53   --enable-tls              \
  54   --prefix=$PREFIX
  55
  56 time { ${MAKE} -s && ${MAKE} -s install; }