configure: remove duplicate test

We already had a test to add -march=i486 when needed.  Make the
existing test independent of vhost-net, so that it is also used
under Win32.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
This commit is contained in:
Paolo Bonzini 2013-04-17 16:26:47 +02:00 committed by Edgar E. Iglesias
parent 15c08efebd
commit 09dada4003

56
configure vendored
View file

@ -574,11 +574,6 @@ if test "$mingw32" = "yes" ; then
QEMU_CFLAGS="-DWIN32_LEAN_AND_MEAN -DWINVER=0x501 $QEMU_CFLAGS"
# enable C99/POSIX format strings (needs mingw32-runtime 3.15 or later)
QEMU_CFLAGS="-D__USE_MINGW_ANSI_STDIO=1 $QEMU_CFLAGS"
if test "$cpu" = "i386"; then
# We need something better than i386 for __sync_val_compare_and_swap
# and can expect that QEMU will only run on i686 or later.
QEMU_CFLAGS="-march=i686 $QEMU_CFLAGS"
fi
LIBS="-lwinmm -lws2_32 -liphlpapi $LIBS"
cat > $TMPC << EOF
int main(void) { return 0; }
@ -1326,9 +1321,33 @@ EOF
fi
fi
#
##########################################
# __sync_fetch_and_and requires at least -march=i486. Many toolchains
# use i686 as default anyway, but for those that don't, an explicit
# specification is necessary
if test "$cpu" = "i386"; then
cat > $TMPC << EOF
static int sfaa(int *ptr)
{
return __sync_fetch_and_and(ptr, 0);
}
int main(void)
{
int val = 42;
sfaa(&val);
return val;
}
EOF
if ! compile_prog "" "" ; then
QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
fi
fi
#########################################
# Solaris specific configure tool chain decisions
#
if test "$solaris" = "yes" ; then
if has $install; then
:
@ -3168,29 +3187,6 @@ if test "$trace_backend" = "dtrace"; then
fi
fi
##########################################
# __sync_fetch_and_and requires at least -march=i486. Many toolchains
# use i686 as default anyway, but for those that don't, an explicit
# specification is necessary
if test "$vhost_net" = "yes" && test "$cpu" = "i386"; then
cat > $TMPC << EOF
static int sfaa(int *ptr)
{
return __sync_fetch_and_and(ptr, 0);
}
int main(void)
{
int val = 42;
sfaa(&val);
return val;
}
EOF
if ! compile_prog "" "" ; then
QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
fi
fi
##########################################
# check and set a backend for coroutine