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Try using -Ofast / -O3 by default

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This commit is contained in:
Frank Denis 2022-11-13 22:52:29 +01:00
parent 180ee26d06
commit e8dbdab216
1 changed files with 13 additions and 1 deletions
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14
configure.ac
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@ -42,10 +42,23 @@ AS_IF([pwd | fgrep ' ' > /dev/null 2>&1],
[AC_MSG_ERROR([The build directory contains whitespaces - This can cause tests/installation to fail due to limitations of some libtool versions])]
)
sodium_CFLAGS=${CFLAGS+set}
: ${CFLAGS=""}
AC_PROG_CC
AM_PROG_AS
AC_USE_SYSTEM_EXTENSIONS
dnl Default optimization flags
if test "$sodium_CFLAGS" != "set" ; then
AX_CHECK_COMPILE_FLAG([-Ofast], [CFLAGS="$CFLAGS -Ofast"],
[AX_CHECK_COMPILE_FLAG([-O3], [CFLAGS="$CFLAGS -O3"],
[AX_CHECK_COMPILE_FLAG([-O2], [CFLAGS="$CFLAGS -O2"],
[AX_CHECK_COMPILE_FLAG([-O1], [CFLAGS="$CFLAGS -O1"],
[AX_CHECK_COMPILE_FLAG([-O], [CFLAGS="$CFLAGS -O"])])])])])
fi
dnl Switches
AC_ARG_ENABLE(ssp,
@ -197,7 +210,6 @@ AC_ARG_ENABLE(opt,
[AS_HELP_STRING(--enable-opt,Optimize for the native CPU - The resulting library will be faster but not portable)],
[
AS_IF([test "x$enableval" = "xyes"], [
AX_CHECK_COMPILE_FLAG([-Ofast], [CFLAGS="$CFLAGS -Ofast"])
AX_CHECK_COMPILE_FLAG([-ftree-vectorize], [CFLAGS="$CFLAGS -ftree-vectorize"])
AX_CHECK_COMPILE_FLAG([-ftree-slp-vectorize], [CFLAGS="$CFLAGS -ftree-slp-vectorize"])
AX_CHECK_COMPILE_FLAG([-fomit-frame-pointer], [CFLAGS="$CFLAGS -fomit-frame-pointer"])