+# Check whether --enable-universal-binary was given.
+if test "${enable_universal_binary+set}" = set; then :
+ enableval=$enable_universal_binary;
+ case $enableval in #(
+ no) :
+ ;; #(
+ *) :
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for universal binary support" >&5
+$as_echo_n "checking for universal binary support... " >&6; }
+ case $host_vendor in #(
+ apple) :
+
+ case $host_cpu in #(
+ i386|x86_64) :
+
+ for cy_arch in i386 x86_64; do
+ cy_save_CXXFLAGS=$CXXFLAGS
+
+ for element in "-arch $cy_arch"; do
+ haveit=
+ for x in $CXXFLAGS; do
+
+ acl_save_prefix="$prefix"
+ prefix="$acl_final_prefix"
+ acl_save_exec_prefix="$exec_prefix"
+ exec_prefix="$acl_final_exec_prefix"
+ eval x=\"$x\"
+ exec_prefix="$acl_save_exec_prefix"
+ prefix="$acl_save_prefix"
+
+ if test "X$x" = "X$element"; then
+ haveit=yes
+ break
+ fi
+ done
+ if test -z "$haveit"; then
+ CXXFLAGS="${CXXFLAGS}${CXXFLAGS:+ }$element"
+ fi
+ done
+
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+
+
+ for element in $cy_arch; do
+ haveit=
+ for x in $cy_arches; do
+
+ acl_save_prefix="$prefix"
+ prefix="$acl_final_prefix"
+ acl_save_exec_prefix="$exec_prefix"
+ exec_prefix="$acl_final_exec_prefix"
+ eval x=\"$x\"
+ exec_prefix="$acl_save_exec_prefix"
+ prefix="$acl_save_prefix"
+
+ if test "X$x" = "X$element"; then
+ haveit=yes
+ break
+ fi
+ done
+ if test -z "$haveit"; then
+ cy_arches="${cy_arches}${cy_arches:+ }$element"
+ fi
+ done
+
+
+ for element in "-arch $cy_arch"; do
+ haveit=
+ for x in $CFLAGS; do
+
+ acl_save_prefix="$prefix"
+ prefix="$acl_final_prefix"
+ acl_save_exec_prefix="$exec_prefix"
+ exec_prefix="$acl_final_exec_prefix"
+ eval x=\"$x\"
+ exec_prefix="$acl_save_exec_prefix"
+ prefix="$acl_save_prefix"
+
+ if test "X$x" = "X$element"; then
+ haveit=yes
+ break
+ fi
+ done
+ if test -z "$haveit"; then
+ CFLAGS="${CFLAGS}${CFLAGS:+ }$element"
+ fi
+ done
+
+
+ for element in "-arch $cy_arch"; do
+ haveit=
+ for x in $LDFLAGS; do
+
+ acl_save_prefix="$prefix"
+ prefix="$acl_final_prefix"
+ acl_save_exec_prefix="$exec_prefix"
+ exec_prefix="$acl_final_exec_prefix"
+ eval x=\"$x\"
+ exec_prefix="$acl_save_exec_prefix"
+ prefix="$acl_save_prefix"
+
+ if test "X$x" = "X$element"; then
+ haveit=yes
+ break
+ fi
+ done
+ if test -z "$haveit"; then
+ LDFLAGS="${LDFLAGS}${LDFLAGS:+ }$element"
+ fi
+ done
+
+
+ for element in "-arch $cy_arch"; do
+ haveit=
+ for x in $OBJCXXFLAGS; do
+
+ acl_save_prefix="$prefix"
+ prefix="$acl_final_prefix"
+ acl_save_exec_prefix="$exec_prefix"
+ exec_prefix="$acl_final_exec_prefix"
+ eval x=\"$x\"
+ exec_prefix="$acl_save_exec_prefix"
+ prefix="$acl_save_prefix"
+
+ if test "X$x" = "X$element"; then
+ haveit=yes
+ break
+ fi
+ done
+ if test -z "$haveit"; then
+ OBJCXXFLAGS="${OBJCXXFLAGS}${OBJCXXFLAGS:+ }$element"
+ fi
+ done
+
+
+else
+
+ CXXFLAGS=$cy_save_CXXFLAGS
+
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+ done
+ ;; #(
+ *) :
+ ;;
+esac
+ ;; #(
+ *) :
+ ;;
+esac
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${cy_arches-no}" >&5
+$as_echo "${cy_arches-no}" >&6; }
+ ;;
+esac
+
+else
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for universal binary support" >&5
+$as_echo_n "checking for universal binary support... " >&6; }
+ case $host_vendor in #(
+ apple) :
+
+ case $host_cpu in #(
+ i386|x86_64) :
+
+ for cy_arch in i386 x86_64; do
+ cy_save_CXXFLAGS=$CXXFLAGS
+
+ for element in "-arch $cy_arch"; do
+ haveit=
+ for x in $CXXFLAGS; do
+
+ acl_save_prefix="$prefix"
+ prefix="$acl_final_prefix"
+ acl_save_exec_prefix="$exec_prefix"
+ exec_prefix="$acl_final_exec_prefix"
+ eval x=\"$x\"
+ exec_prefix="$acl_save_exec_prefix"
+ prefix="$acl_save_prefix"
+
+ if test "X$x" = "X$element"; then
+ haveit=yes
+ break
+ fi
+ done
+ if test -z "$haveit"; then
+ CXXFLAGS="${CXXFLAGS}${CXXFLAGS:+ }$element"
+ fi
+ done
+
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+
+
+ for element in $cy_arch; do
+ haveit=
+ for x in $cy_arches; do
+
+ acl_save_prefix="$prefix"
+ prefix="$acl_final_prefix"
+ acl_save_exec_prefix="$exec_prefix"
+ exec_prefix="$acl_final_exec_prefix"
+ eval x=\"$x\"
+ exec_prefix="$acl_save_exec_prefix"
+ prefix="$acl_save_prefix"
+
+ if test "X$x" = "X$element"; then
+ haveit=yes
+ break
+ fi
+ done
+ if test -z "$haveit"; then
+ cy_arches="${cy_arches}${cy_arches:+ }$element"
+ fi
+ done
+
+
+ for element in "-arch $cy_arch"; do
+ haveit=
+ for x in $CFLAGS; do
+
+ acl_save_prefix="$prefix"
+ prefix="$acl_final_prefix"
+ acl_save_exec_prefix="$exec_prefix"
+ exec_prefix="$acl_final_exec_prefix"
+ eval x=\"$x\"
+ exec_prefix="$acl_save_exec_prefix"
+ prefix="$acl_save_prefix"
+
+ if test "X$x" = "X$element"; then
+ haveit=yes
+ break
+ fi
+ done
+ if test -z "$haveit"; then
+ CFLAGS="${CFLAGS}${CFLAGS:+ }$element"
+ fi
+ done
+
+
+ for element in "-arch $cy_arch"; do
+ haveit=
+ for x in $LDFLAGS; do
+
+ acl_save_prefix="$prefix"
+ prefix="$acl_final_prefix"
+ acl_save_exec_prefix="$exec_prefix"
+ exec_prefix="$acl_final_exec_prefix"
+ eval x=\"$x\"
+ exec_prefix="$acl_save_exec_prefix"
+ prefix="$acl_save_prefix"
+
+ if test "X$x" = "X$element"; then
+ haveit=yes
+ break
+ fi
+ done
+ if test -z "$haveit"; then
+ LDFLAGS="${LDFLAGS}${LDFLAGS:+ }$element"
+ fi
+ done
+
+
+ for element in "-arch $cy_arch"; do
+ haveit=
+ for x in $OBJCXXFLAGS; do
+
+ acl_save_prefix="$prefix"
+ prefix="$acl_final_prefix"
+ acl_save_exec_prefix="$exec_prefix"
+ exec_prefix="$acl_final_exec_prefix"
+ eval x=\"$x\"
+ exec_prefix="$acl_save_exec_prefix"
+ prefix="$acl_save_prefix"
+
+ if test "X$x" = "X$element"; then
+ haveit=yes
+ break
+ fi
+ done
+ if test -z "$haveit"; then
+ OBJCXXFLAGS="${OBJCXXFLAGS}${OBJCXXFLAGS:+ }$element"
+ fi
+ done
+
+
+else
+
+ CXXFLAGS=$cy_save_CXXFLAGS
+
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+ done
+ ;; #(
+ *) :
+ ;;
+esac
+ ;; #(
+ *) :
+ ;;
+esac
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${cy_arches-no}" >&5
+$as_echo "${cy_arches-no}" >&6; }
+
+fi
+
+