29 lines
579 B
Plaintext
29 lines
579 B
Plaintext
# serial 1
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AC_DEFUN([AX_CPU_ARCH], [
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AC_MSG_CHECKING([for cpu arch])
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AC_CANONICAL_TARGET
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case $target in
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amd64-* | x86_64-*)
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ARCH_CPUFLAGS="-mpopcnt"
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ARCH_CXXFLAGS="-m64"
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AX_GCC_X86_CPU_SUPPORTS(avx2,
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[ARCH_CPUFLAGS+=" -mavx2 -mf16c"],
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[ARCH_CPUFLAGS+=" -msse4"])
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;;
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aarch64*-*)
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dnl This is an arch for Nvidia Xavier a proper detection would be nice.
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ARCH_CPUFLAGS="-march=armv8.2-a"
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;;
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*) ;;
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esac
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AC_MSG_RESULT([$target CPUFLAGS+=$ARCH_CPUFLAGS CXXFLAGS+=$ARCH_CXXFLAGS])
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AC_SUBST(ARCH_CPUFLAGS)
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AC_SUBST(ARCH_CXXFLAGS)
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])dnl
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