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Add a --enable-opt compile-time switch

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Frank Denis 2015-12-05 17:56:42 +01:00
parent cb1b6a4a2f
commit 5b62287f98
1 changed files with 8 additions and 0 deletions
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8
configure.ac
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@ -135,6 +135,14 @@ AC_ARG_ENABLE(debug,
]) ])
]) ])
AC_ARG_ENABLE(opt,
[AS_HELP_STRING(--enable-opt,Optimize for the native CPU - The resulting library will be faster but not portable)],
[
AS_IF([test "x$enableval" = "xyes"], [
CFLAGS="$CFLAGS -flto -march=native"
LDFLAGS="$LDFLAGS -flto -march=native"])
])
AC_SUBST([MAINT]) AC_SUBST([MAINT])
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