setup-gcc.sh

   1 #!/bin/sh
   2 # -1. Make sure we are in the top-level GCC soure directory
   3 if test -d gcc && test -d gcc/dlt && test -f gcc/dlt/setup-gcc.sh; then
   4     :
   5 else
   6     echo "This script must be run from the top-level GCC source directory."
   7     exit 1
   8 fi
   9 top=`pwd`
  10
  11 # D 2.0 will be the default eventually
  12 #if test -d gcc/d/dmd2; then
  13 #    d_lang_version=2
  14 #else
  15 #    d_lang_version=1
  16 #fi
  17
  18 if test -d gcc/dlt/dmd; then
  19     d_lang_version=1
  20 elif test -d gcc/dlt/dmd2; then
  21     d_lang_version=2
  22 fi
  23
  24
  25 # Read command line arguments
  26 for arg in "$@"; do
  27     case "$arg" in
  28         --d-language-version=*) d_lang_version=${arg##--d-language-version=} ;;
  29         *)
  30             echo "error: invalid option '$arg'"
  31             exit 1
  32             ;;
  33     esac
  34 done
  35
  36 if test $d_lang_version -ne 1; then
  37     d_subdir_sfx=$d_lang_version
  38 fi
  39
  40 if test ! -d gcc/dlt/dmd$d_subdir_sfx; then
  41     echo "error: This distribution does not support D version $d_lang_version"
  42     exit 1
  43 fi
  44
  45 # 0. Find out what GCC version this is
  46 if grep version_string gcc/version.c | grep -q '"3.4'; then
  47     gcc_ver=3.4
  48 elif grep version_string gcc/version.c | grep -q '"4.0'; then
  49     gcc_ver=4.0
  50 elif grep -q '^4\.1\.' gcc/BASE-VER; then
  51     gcc_ver=4.1
  52 fi
  53
  54 gcc_patch_key=${gcc_ver}.x
  55
  56 # 0.1. Find out if this is Apple's GCC
  57 if grep version_string gcc/version.c | grep -qF '(Apple'; then
  58     gcc_apple=apple-
  59     gcc_apple_build_ver=`grep version_string gcc/version.c | sed -e 's/^.*build \([0-9][0-9]*\).*$/\1/'`
  60     if test "$gcc_apple_build_ver" -ge 5465; then
  61         gcc_patch_key=5465
  62     fi
  63 fi
  64
  65 # 0.2. Determine if this version of GCC is supported
  66 gcc_patch_fn=dlt/patches/patch-${gcc_apple}gcc-$gcc_patch_key
  67 if test ! -f gcc/"$gcc_patch_fn"; then
  68     echo "This version of GCC is not supported."
  69     exit 1
  70 fi
  71
  72 # 0.5. Find out what GDC and DMD version this is
  73 gdc_ver=`cat gcc/d/gdc-version`
  74 dmd_ver=`grep 'version = "v' gcc/d/dmd$d_subdir_sfx/mars.c | sed -e 's/^.*"v\(.*\)".*$/\1/'` || exit 1
  75 gdc_ver_msg="gdc $gdc_ver, using dmd $dmd_ver"
  76
  77 # 0.7 Set the D language version.  Note: This creates a file in the D
  78 # source directory.  If the file is a link, remove it first.
  79 rm -f gcc/d/d-make-include
  80 echo "D_LANGUAGE_VERSION=$d_lang_version" > gcc/d/d-make-include
  81
  82 # 1. Create a directory of links to the Phobos sources in the top-level
  83 # directory.
  84 mkdir libphobos && \
  85     cd libphobos && \
  86     ../symlink-tree ../gcc/dlt/phobos$d_subdir_sfx .svn > /dev/null && \
  87     cd "$top" || exit 1
  88
  89 # 2. Patch the top-level directory
  90 #
  91 # If the patch for the top-level Makefile.in doesn't take, you can regenerate
  92 # it with:
  93 #   autogen -T Makefile.tpl Makefile.def
  94 #
  95 # You will need the autogen package to do this. (http://autogen.sf.net/)
  96 patch -p1 < gcc/d/patches/patch-toplev-$gcc_patch_key || exit 1
  97
  98 if test -n "$gcc_apple"; then
  99     patch -l -p1 < "gcc/d/patches/patch-build_gcc-$gcc_patch_key" || exit 1
 100 fi
 101
 102 # 3. Patch the gcc subdirectory
 103 cd gcc || exit 1
 104 patch -p1 < "$gcc_patch_fn" || exit 1
 105
 106 # 3.1 Patch the gcc version string
 107 if test "$gcc_ver" = 4.1; then
 108     cur_DEV_PHASE=`cat DEV-PHASE`
 109     echo "$cur_DEV_PHASE $gdc_ver_msg" > DEV-PHASE
 110 else
 111     sed -e 's/ *(gdc.*using dmd [0-9\.]*)//' \
 112         -e 's/\(, *\)gdc.*using dmd [0-9\.]*/\1/' \
 113         -e 's/\(version_string[^"]*"[^"]*\)"/\1 ('"$gdc_ver_msg"')"/' \
 114         version.c > version.c.tmp && mv -f version.c.tmp version.c
 115 fi
 116
 117 # 4. Maybe apply Darwin patches
 118 if test -z "$gcc_apple" && test "`uname`" = Darwin; then
 119     if test -f d/patches/patch-gcc-darwin-eh-$gcc_patch_key; then
 120         patch -p1 < d/patches/patch-gcc-darwin-eh-$gcc_patch_key || exit 1
 121     fi
 122 fi
 123
 124 echo
 125 echo "Building D language version $d_lang_version."
 126 echo
 127 echo "GDC setup complete."
 128 exit 0