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# host The configuration host
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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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# It sets the following shell variables:
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# gc_cflags Special CFLAGS to use when building
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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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case "${target_optspace}:${host}" in