3 # This shell script handles all host based configuration for the garbage
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.
9 # This shell script should be invoked as
11 # If it encounters an error, it will exit with a message.
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
19 # It sets the following shell variables:
20 # gc_cflags Special CFLAGS to use when building
21 # gc_use_mmap Set to "yes" on platforms where mmap should be used instead
22 # of sbrk. This will define USE_MMAP.
27 # We should set -fexceptions if we are using gcc and might be used
28 # inside something like gcj. This is the zeroth approximation:
29 if test :"$GCC": = :yes: ; then
30 gc_cflags="${gc_cflags} -fexceptions"
34 if test :$GCC: != :"yes": ; then
35 gc_cflags="${gc_flags} +ESdbgasm"
37 # :TODO: actaully we should check using Autoconf if
38 # the compiler supports this option.
44 *-linux*|*-kfreebsd-gnu*|*-gnu*)
49 case "${target_optspace}:${host}" in
51 gc_cflags="${gc_cflags} -Os"
53 :m32r-* | :d10v-* | :d30v-*)
54 gc_cflags="${gc_cflags} -Os"
61 # Set any host dependent compiler flags.
62 # THIS TABLE IS SORTED. KEEP IT THAT WAY.
65 mips-tx39-*|mipstx39-unknown-*)
66 gc_cflags="${gc_cflags} -G 0"