diff options
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/configure b/configure index 99ef10f0f73..b771a835559 100755 --- a/configure +++ b/configure @@ -11259,6 +11259,30 @@ if test x"$pgac_cv__builtin_bswap32" = xyes ; then $as_echo "#define HAVE__BUILTIN_BSWAP32 1" >>confdefs.h fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_bswap64" >&5 +$as_echo_n "checking for __builtin_bswap64... " >&6; } +if ${pgac_cv__builtin_bswap64+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +static unsigned long int x = __builtin_bswap64(0xaabbccddeeff0011); + +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + pgac_cv__builtin_bswap64=yes +else + pgac_cv__builtin_bswap64=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv__builtin_bswap64" >&5 +$as_echo "$pgac_cv__builtin_bswap64" >&6; } +if test x"$pgac_cv__builtin_bswap64" = xyes ; then + +$as_echo "#define HAVE__BUILTIN_BSWAP64 1" >>confdefs.h + +fi { $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_constant_p" >&5 $as_echo_n "checking for __builtin_constant_p... " >&6; } if ${pgac_cv__builtin_constant_p+:} false; then : |