diff options
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 31 |
1 files changed, 30 insertions, 1 deletions
@@ -4133,7 +4133,14 @@ if compile_prog "" "" ; then memfd=yes fi - +# check for usbfs +have_usbfs=no +if test "$linux_user" = "yes"; then + if check_include linux/usbdevice_fs.h; then + have_usbfs=yes + fi + have_usbfs=yes +fi # check for fallocate fallocate=no @@ -5085,6 +5092,21 @@ EOF fi fi +cmpxchg128=no +if test "$int128" = yes -a "$atomic128" = no; then + cat > $TMPC << EOF +int main(void) +{ + unsigned __int128 x = 0, y = 0; + __sync_val_compare_and_swap_16(&x, y, x); + return 0; +} +EOF + if compile_prog "" "" ; then + cmpxchg128=yes + fi +fi + ######################################### # See if 64-bit atomic operations are supported. # Note that without __atomic builtins, we can only @@ -6238,6 +6260,9 @@ fi if test "$memfd" = "yes" ; then echo "CONFIG_MEMFD=y" >> $config_host_mak fi +if test "$have_usbfs" = "yes" ; then + echo "CONFIG_USBFS=y" >> $config_host_mak +fi if test "$fallocate" = "yes" ; then echo "CONFIG_FALLOCATE=y" >> $config_host_mak fi @@ -6582,6 +6607,10 @@ if test "$atomic128" = "yes" ; then echo "CONFIG_ATOMIC128=y" >> $config_host_mak fi +if test "$cmpxchg128" = "yes" ; then + echo "CONFIG_CMPXCHG128=y" >> $config_host_mak +fi + if test "$atomic64" = "yes" ; then echo "CONFIG_ATOMIC64=y" >> $config_host_mak fi |