diff -ur Python-3.7.3/configure.ac Python-3.7.3+iPhone/configure.ac
--- Python-3.7.3/configure.ac	2019-03-25 20:21:05.000000000 +0000
+++ Python-3.7.3+iPhone/configure.ac	2019-04-11 14:26:49.751953155 +0000
@@ -379,6 +379,9 @@
 	*-*-cygwin*)
 		ac_sys_system=Cygwin
 		;;
+	*-*-darwin*)
+		ac_sys_system=Darwin
+		;;
 	*)
 		# for now, limit cross builds to known configurations
 		MACHDEP="unknown"
@@ -423,6 +426,9 @@
 	*-*-cygwin*)
 		_host_cpu=
 		;;
+	*-*-darwin*)
+			_host_cpu=$host_cpu
+		;;
 	*)
 		# for now, limit cross builds to known configurations
 		MACHDEP="unknown"
@@ -1202,11 +1208,15 @@
 
 AC_CHECK_TOOLS([READELF], [readelf], [:])
 if test "$cross_compiling" = yes; then
-    case "$READELF" in
-	readelf|:)
-	AC_MSG_ERROR([readelf for the host is required for cross builds])
-	;;
-    esac
+    if test "$ac_sys_system" = Darwin; then
+	:
+    else
+	case "$READELF" in
+		readelf|:)
+		AC_MSG_ERROR([readelf for the host is required for cross builds])
+		;;
+	esac
+    fi
 fi
 AC_SUBST(READELF)
 
@@ -2407,63 +2417,63 @@
 
 AC_SUBST(LIBTOOL_CRUFT)
 case $ac_sys_system/$ac_sys_release in
-  Darwin/@<:@01567@:>@\..*)
-    LIBTOOL_CRUFT="-framework System -lcc_dynamic"
-    if test "${enable_universalsdk}"; then
-	    :
-    else
-        LIBTOOL_CRUFT="${LIBTOOL_CRUFT} -arch_only `/usr/bin/arch`"
-    fi
-    LIBTOOL_CRUFT=$LIBTOOL_CRUFT' -install_name $(PYTHONFRAMEWORKINSTALLDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)'
-    LIBTOOL_CRUFT=$LIBTOOL_CRUFT' -compatibility_version $(VERSION) -current_version $(VERSION)';;
+#  Darwin/@<:@01567@:>@\..*)
+#    LIBTOOL_CRUFT="-framework System -lcc_dynamic"
+#    if test "${enable_universalsdk}"; then
+#	    :
+#    else
+#        LIBTOOL_CRUFT="${LIBTOOL_CRUFT} -arch_only `/usr/bin/arch`"
+#    fi
+#    LIBTOOL_CRUFT=$LIBTOOL_CRUFT' -install_name $(PYTHONFRAMEWORKINSTALLDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)'
+#    LIBTOOL_CRUFT=$LIBTOOL_CRUFT' -compatibility_version $(VERSION) -current_version $(VERSION)';;
   Darwin/*)
-    gcc_version=`gcc -dumpversion`
-    if test ${gcc_version} '<' 4.0
-        then
-            LIBTOOL_CRUFT="-lcc_dynamic"
-        else
+#    gcc_version=`gcc -dumpversion`
+#    if test ${gcc_version} '<' 4.0
+#        then
+#            LIBTOOL_CRUFT="-lcc_dynamic"
+#        else
             LIBTOOL_CRUFT=""
-    fi
-    AC_RUN_IFELSE([AC_LANG_SOURCE([[
-    #include <unistd.h>
-    int main(int argc, char*argv[])
-    {
-      if (sizeof(long) == 4) {
-    	  return 0;
-      } else {
-      	  return 1;
-      }
-    }
-    ]])],[ac_osx_32bit=yes],[ac_osx_32bit=no],[ac_osx_32bit=yes])
-
-    if test "${ac_osx_32bit}" = "yes"; then
-    	case `/usr/bin/arch` in
-    	i386)
-    		MACOSX_DEFAULT_ARCH="i386"
-    		;;
-    	ppc)
-    		MACOSX_DEFAULT_ARCH="ppc"
-    		;;
-    	*)
-    		AC_MSG_ERROR([Unexpected output of 'arch' on OSX])
-    		;;
-    	esac
-    else
-    	case `/usr/bin/arch` in
-    	i386)
-    		MACOSX_DEFAULT_ARCH="x86_64"
-    		;;
-    	ppc)
-    		MACOSX_DEFAULT_ARCH="ppc64"
-    		;;
-    	*)
-    		AC_MSG_ERROR([Unexpected output of 'arch' on OSX])
-    		;;
-    	esac
-
-    fi
+#    fi
+#    AC_RUN_IFELSE([AC_LANG_SOURCE([[
+#    #include <unistd.h>
+#    int main(int argc, char*argv[])
+#    {
+#      if (sizeof(long) == 4) {
+#    	  return 0;
+#      } else {
+#      	  return 1;
+#      }
+#    }
+#    ]])],[ac_osx_32bit=yes],[ac_osx_32bit=no],[ac_osx_32bit=yes])
+
+#    if test "${ac_osx_32bit}" = "yes"; then
+#    	case `/usr/bin/arch` in
+#    	i386)
+#    		MACOSX_DEFAULT_ARCH="i386"
+#    		;;
+#    	ppc)
+#    		MACOSX_DEFAULT_ARCH="ppc"
+#   		;;
+#    	*)
+#    		AC_MSG_ERROR([Unexpected output of 'arch' on OSX])
+#    		;;
+#    	esac
+#    else
+#    	case `/usr/bin/arch` in
+#    	i386)
+#    		MACOSX_DEFAULT_ARCH="x86_64"
+#    		;;
+#    	ppc)
+#    		MACOSX_DEFAULT_ARCH="ppc64"
+#    		;;
+#    	*)
+#    		AC_MSG_ERROR([Unexpected output of 'arch' on OSX])
+#    		;;
+#    	esac
+#
+#    fi
 
-    LIBTOOL_CRUFT=$LIBTOOL_CRUFT" -lSystem -lSystemStubs -arch_only ${MACOSX_DEFAULT_ARCH}"
+    LIBTOOL_CRUFT=$LIBTOOL_CRUFT" -lSystem -lSystemStubs"
     LIBTOOL_CRUFT=$LIBTOOL_CRUFT' -install_name $(PYTHONFRAMEWORKINSTALLDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)'
     LIBTOOL_CRUFT=$LIBTOOL_CRUFT' -compatibility_version $(VERSION) -current_version $(VERSION)';;
 esac
@@ -4052,7 +4062,11 @@
 
 if test $have_getaddrinfo = no || test "$ac_cv_buggy_getaddrinfo" = yes
 then
-	if test $ipv6 = yes
+	if test "$cross_compiling" = yes && test "$ac_cv_buggy_getaddrinfo" = yes; then
+		echo 'Warning: Buggy getaddrinfo! Skipping fatal error.'
+		echo '	or you can specify "--disable-ipv6".'
+		AC_DEFINE(HAVE_GETADDRINFO, 1, [Define if you have the getaddrinfo function.])
+	elif test $ipv6 = yes
 	then
 		echo 'Fatal: You must get working getaddrinfo() function.'
 		echo '       or you can specify "--disable-ipv6"'.