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21 lines
665 B
Text
21 lines
665 B
Text
dnl -*- Autoconf -*-
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AC_DEFUN([RUBY_DEFAULT_ARCH], [
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# Set ARCH_FLAG for different width but family CPU
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AC_MSG_CHECKING([arch option])
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AS_CASE([$1:"$host_cpu"],
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[arm64:arm*], [ARCH_FLAG=-m64],
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[arm*:arm*], [ARCH_FLAG=-m32],
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[x86_64:[i[3-6]86]], [ARCH_FLAG=-m64],
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[x64:x86_64], [],
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[[i[3-6]86]:x86_64], [ARCH_FLAG=-m32],
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[ppc64:ppc*], [ARCH_FLAG=-m64],
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[ppc*:ppc64], [ARCH_FLAG=-m32],
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[
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ARCH_FLAG=
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for flag in "-arch "$1 -march=$1; do
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_RUBY_TRY_CFLAGS([$]flag, [ARCH_FLAG="[$]flag"])
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test x"$ARCH_FLAG" = x || break
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done]
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)
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AC_MSG_RESULT([${ARCH_FLAG:-'(none)'}])
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])dnl
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