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