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
22gc_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:
26if test :"$GCC": = :yes: ; then
27    gc_cflags="${gc_cflags} -fexceptions"
28else
29    case "$host" in
30        hppa*-*-hpux* )
31	if test :$GCC: != :"yes": ; then
32            gc_cflags="${gc_flags} +ESdbgasm"
33	fi
34        # :TODO: actaully we should check using Autoconf if
35        #     the compiler supports this option.
36        ;;
37    esac
38fi
39
40case "${target_optspace}:${host}" in
41  yes:*)
42    gc_cflags="${gc_cflags} -Os"
43    ;;
44  :m32r-* | :d10v-* | :d30v-*)
45    gc_cflags="${gc_cflags} -Os"
46    ;;
47  no:* | :*)
48    # Nothing.
49    ;;
50esac
51
52# Set any host dependent compiler flags.
53# THIS TABLE IS SORTED.  KEEP IT THAT WAY.
54
55case "${host}" in
56  mips-tx39-*|mipstx39-unknown-*)
57	gc_cflags="${gc_cflags} -G 0"
58	;;
59  *)
60	;;
61esac
62