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@ -159,8 +159,9 @@ AC_ARG_ENABLE(opt, |
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[AS_HELP_STRING(--enable-opt,Optimize for the native CPU - The resulting library will be faster but not portable)], |
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[ |
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AS_IF([test "x$enableval" = "xyes"], [ |
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CFLAGS="$CFLAGS -O3 -march=native" |
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LDFLAGS="$LDFLAGS -O3 -march=native"]) |
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AX_CHECK_COMPILE_FLAG([-Ofast], [CFLAGS="$CFLAGS -Ofast"]) |
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AX_CHECK_COMPILE_FLAG([-march=native], [CFLAGS="$CFLAGS -march=native"]) |
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]) |
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]) |
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AC_SUBST([MAINT]) |
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