expr.c (emit_single_push_insn): If padding is needed downward...
[gcc.git] / 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
18 # It sets the following shell variables:
19 # gc_cflags Special CFLAGS to use when building
20
21 # We should set -fexceptions if we are using gcc and might be used
22 # inside something like gcj. This is the zeroth approximation:
23 case "$host" in
24 *-*-linux* )
25 gc_cflags=-fexceptions
26 ;;
27 *-*-hpux* )
28 gc_cflags=+ESdbgasm
29 ;;
30 esac
31
32 case "${target_optspace}:${host}" in
33 yes:*)
34 gc_cflags="${gc_cflags} -Os"
35 ;;
36 :m32r-* | :d10v-* | :d30v-*)
37 gc_cflags="${gc_cflags} -Os"
38 ;;
39 no:* | :*)
40 # Nothing.
41 ;;
42 esac
43
44 # Set any host dependent compiler flags.
45 # THIS TABLE IS SORTED. KEEP IT THAT WAY.
46
47 case "${host}" in
48 mips-tx39-*|mipstx39-unknown-*)
49 boehm_gc_cflags="${boehm_gc_cflags} -G 0"
50 ;;
51 *)
52 ;;
53 esac