# configure.host # This shell script handles all host based configuration for the garbage # collector. # It sets various shell variables based on the the host and the # configuration options. You can modify this shell script without # needing to rerun autoconf. # This shell script should be invoked as # . configure.host # If it encounters an error, it will exit with a message. # It uses the following shell variables: # host The configuration host # host_cpu The configuration host CPU # target_optspace --enable-target-optspace ("yes", "no", "") # GCC should be "yes" if using gcc # It sets the following shell variables: # gc_cflags Special CFLAGS to use when building # gc_use_mmap Set to "yes" on platforms where mmap should be used instead # of sbrk. This will define USE_MMAP. gc_cflags="" gc_use_mmap= # We should set -fexceptions if we are using gcc and might be used # inside something like gcj. This is the zeroth approximation: if test :"$GCC": = :yes: ; then gc_cflags="${gc_cflags} -fexceptions" else case "$host" in hppa*-*-hpux* ) if test :$GCC: != :"yes": ; then gc_cflags="${gc_flags} +ESdbgasm" fi # :TODO: actaully we should check using Autoconf if # the compiler supports this option. ;; esac fi case "${host}" in *-linux*) gc_use_mmap=yes ;; esac case "${target_optspace}:${host}" in yes:*) gc_cflags="${gc_cflags} -Os" ;; :m32r-* | :d10v-* | :d30v-*) gc_cflags="${gc_cflags} -Os" ;; no:* | :*) # Nothing. ;; esac # Set any host dependent compiler flags. # THIS TABLE IS SORTED. KEEP IT THAT WAY. case "${host}" in mips-tx39-*|mipstx39-unknown-*) gc_cflags="${gc_cflags} -G 0" ;; *) ;; esac