boehm-gc/configure.host

   1 # configure.host
   2
   3 # This shell script handles all host based configuration for the garbage
   4 # collector.
   5 # It sets various shell variables based on the the host and the
   6 # configuration options.  You can modify this shell script without
   7 # needing to rerun autoconf.
   8
   9 # This shell script should be invoked as
  10 #   . configure.host
  11 # If it encounters an error, it will exit with a message.
  12
  13 # It uses the following shell variables:
  14 #   host                The configuration host
  15 #   host_cpu            The configuration host CPU
  16 #   target_optspace     --enable-target-optspace ("yes", "no", "")
  17 #   GCC                 should be "yes" if using gcc
  18
  19 # It sets the following shell variables:
  20 #   gc_cflags   Special CFLAGS to use when building
  21
  22 gc_cflags=""
  23
  24 # We should set -fexceptions if we are using gcc and might be used
  25 # inside something like gcj.  This is the zeroth approximation:
  26 if test :"$GCC": = :yes: ; then
  27     gc_cflags="${gc_cflags} -fexceptions"
  28 else
  29     case "$host" in
  30         hppa*-*-hpux* )
  31         if test :$GCC: != :"yes": ; then
  32             gc_cflags="${gc_flags} +ESdbgasm"
  33         fi
  34         # :TODO: actaully we should check using Autoconf if
  35         #     the compiler supports this option.
  36         ;;
  37     esac
  38 fi
  39
  40 case "${target_optspace}:${host}" in
  41   yes:*)
  42     gc_cflags="${gc_cflags} -Os"
  43     ;;
  44   :m32r-* | :d10v-* | :d30v-*)
  45     gc_cflags="${gc_cflags} -Os"
  46     ;;
  47   no:* | :*)
  48     # Nothing.
  49     ;;
  50 esac
  51
  52 # Set any host dependent compiler flags.
  53 # THIS TABLE IS SORTED.  KEEP IT THAT WAY.
  54
  55 case "${host}" in
  56   mips-tx39-*|mipstx39-unknown-*)
  57         gc_cflags="${gc_cflags} -G 0"
  58         ;;
  59   *)
  60         ;;
  61 esac