1 files changed, 24 insertions, 0 deletions
diff --git a/configure b/configure
index 4f3b97c7cf..216447e739 100755
--- a/configure
+++ b/configure
@@ -11817,6 +11817,30 @@ if test x"$pgac_cv__types_compatible" = xyes ; then
 $as_echo "#define HAVE__BUILTIN_TYPES_COMPATIBLE_P 1" >>confdefs.h
 
 fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_bswap16" >&5
+$as_echo_n "checking for __builtin_bswap16... " >&6; }
+if ${pgac_cv__builtin_bswap16+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+static unsigned long int x = __builtin_bswap16(0xaabb);
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  pgac_cv__builtin_bswap16=yes
+else
+  pgac_cv__builtin_bswap16=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv__builtin_bswap16" >&5
+$as_echo "$pgac_cv__builtin_bswap16" >&6; }
+if test x"$pgac_cv__builtin_bswap16" = xyes ; then
+
+$as_echo "#define HAVE__BUILTIN_BSWAP16 1" >>confdefs.h
+
+fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_bswap32" >&5
 $as_echo_n "checking for __builtin_bswap32... " >&6; }
 if ${pgac_cv__builtin_bswap32+:} false; then :