diff --git a/Include/pyport.h b/Include/pyport.h
index 7c537a9..a6ddbee 100644
--- a/Include/pyport.h
+++ b/Include/pyport.h
@@ -627,7 +627,7 @@
 #endif
 
 #if defined(HAVE_OPENPTY) || defined(HAVE_FORKPTY)
-#if !defined(HAVE_PTY_H) && !defined(HAVE_LIBUTIL_H)
+#if !defined(HAVE_PTY_H) && !defined(HAVE_LIBUTIL_H) && !defined(HAVE_UTIL_H)
 /* BSDI does not supply a prototype for the 'openpty' and 'forkpty'
    functions, even though they are included in libutil. */
 #include <termios.h>
diff --git a/Mac/Makefile.in b/Mac/Makefile.in
index 8c389ed..c66190c 100644
--- a/Mac/Makefile.in
+++ b/Mac/Makefile.in
@@ -16,6 +16,7 @@
 PYTHONFRAMEWORK=@PYTHONFRAMEWORK@
 PYTHONFRAMEWORKIDENTIFIER=@PYTHONFRAMEWORKIDENTIFIER@
 LIPO_32BIT_FLAGS=@LIPO_32BIT_FLAGS@
+CC=@CC@
 
 
 # These are normally glimpsed from the previous set
diff --git a/Mac/Tools/pythonw.c b/Mac/Tools/pythonw.c
index d7a86f2..991a738 100644
--- a/Mac/Tools/pythonw.c
+++ b/Mac/Tools/pythonw.c
@@ -6,16 +6,26 @@
  *
  * This program uses posix_spawn rather than plain execv because we need
  * slightly more control over how the "real" interpreter is executed.
+ *
+ * On OSX 10.4 (and earlier) this falls back to using exec because the
+ * posix_spawnv functions aren't available there.
  */
+#pragma weak_import posix_spawnattr_init
+#pragma weak_import posix_spawnattr_setbinpref_np
+#pragma weak_import posix_spawnattr_setflags
+#pragma weak_import posix_spawn
+
+#include <Python.h>
 #include <unistd.h>
+#ifdef HAVE_SPAWN_H
 #include <spawn.h>
+#endif
 #include <stdio.h>
 #include <string.h>
 #include <errno.h>
 #include <err.h>
 #include <dlfcn.h>
 #include <stdlib.h>
-#include <Python.h>
 
 
 extern char** environ;
@@ -74,6 +84,7 @@
 	return g_path;
 }
 
+#ifdef HAVE_SPAWN_H
 static void
 setup_spawnattr(posix_spawnattr_t* spawnattr)
 {
@@ -132,16 +143,28 @@
 		/* NOTREACHTED */
 	}
 }
+#endif
 
 int 
 main(int argc, char **argv) {
-	posix_spawnattr_t spawnattr = NULL;
 	char* exec_path = get_python_path();
 
+#ifdef HAVE_SPAWN_H
 
-	setup_spawnattr(&spawnattr);		
-	posix_spawn(NULL, exec_path, NULL,
-		&spawnattr, argv, environ);
-	err(1, "posix_spawn: %s", argv[0]);
+	/* We're weak-linking to posix-spawnv to ensure that
+	 * an executable build on 10.5 can work on 10.4.
+	 */
+	if (posix_spawn != NULL) {
+		posix_spawnattr_t spawnattr = NULL;
+
+
+		setup_spawnattr(&spawnattr);		
+		posix_spawn(NULL, exec_path, NULL,
+			&spawnattr, argv, environ);
+		err(1, "posix_spawn: %s", argv[0]);
+	}
+#endif
+	execve(exec_path, argv, environ);
+	err(1, "execve: %s", argv[0]);
 	/* NOTREACHED */
 }
diff --git a/Misc/NEWS b/Misc/NEWS
index 7ff6420..9360f28 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -66,10 +66,14 @@
   Extension extra options may change the output without changing the .c
   file). Initial patch by Collin Winter.
 
-
 Build
 -----
 
+- Issue #7658: Ensure that the new pythonw executable works on OSX 10.4
+
+- Issue #7714: Use ``gcc -dumpversion`` to detect the version of GCC on
+  MacOSX.
+
 - Issue #7661: Allow ctypes to be built from a non-ASCII directory path.
   Patch by Florent Xicluna.
 
diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
index 76609ee..46053fe 100644
--- a/Modules/posixmodule.c
+++ b/Modules/posixmodule.c
@@ -3667,6 +3667,10 @@
 #else
 #ifdef HAVE_LIBUTIL_H
 #include <libutil.h>
+#else
+#ifdef HAVE_UTIL_H
+#include <util.h>
+#endif /* HAVE_UTIL_H */
 #endif /* HAVE_LIBUTIL_H */
 #endif /* HAVE_PTY_H */
 #ifdef HAVE_STROPTS_H
diff --git a/configure b/configure
index 7b9da87..dffff12 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
 #! /bin/sh
-# From configure.in Revision: 77193 .
+# From configure.in Revision: 77212 .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.61 for python 2.7.
 #
@@ -2142,6 +2142,8 @@
   # has no effect, don't bother defining them
   Darwin/[6789].*)
     define_xopen_source=no;;
+  Darwin/1[0-9].*)
+    define_xopen_source=no;;
   # On AIX 4 and 5.1, mbstate_t is defined only when _XOPEN_SOURCE == 500 but
   # used in wcsnrtombs() and mbsnrtowcs() even if _XOPEN_SOURCE is not defined
   # or has another value. By not (re)defining it, the defaults come in place.
@@ -3861,7 +3863,7 @@
   { echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6; }
 fi
-rm -f conftest*
+rm -f -r conftest*
 
 
 
@@ -4685,48 +4687,21 @@
 	Darwin*)
 	    # -Wno-long-double, -no-cpp-precomp, and -mno-fused-madd
 	    # used to be here, but non-Apple gcc doesn't accept them.
-
-
-	    if test "${enable_universalsdk}"; then
-		UNIVERSAL_ARCH_FLAGS=""
-	        if test "$UNIVERSAL_ARCHS" = "32-bit" ; then
-		   UNIVERSAL_ARCH_FLAGS="-arch ppc -arch i386"
-		   ARCH_RUN_32BIT=""
-		   LIPO_32BIT_FLAGS="-extract ppc7400 -extract i386"
-
-	         elif test "$UNIVERSAL_ARCHS" = "64-bit" ; then
-		   UNIVERSAL_ARCH_FLAGS="-arch ppc64 -arch x86_64"
-		   LIPO_32BIT_FLAGS=""
-		   ARCH_RUN_32BIT="true"
-
-	         elif test "$UNIVERSAL_ARCHS" = "all" ; then
-		   UNIVERSAL_ARCH_FLAGS="-arch i386 -arch ppc -arch ppc64 -arch x86_64"
-		   LIPO_32BIT_FLAGS="-extract ppc7400 -extract i386"
-		   ARCH_RUN_32BIT="arch -i386 -ppc"
-
-	         elif test "$UNIVERSAL_ARCHS" = "intel" ; then
-		   UNIVERSAL_ARCH_FLAGS="-arch i386 -arch x86_64"
-		   LIPO_32BIT_FLAGS="-extract i386"
-		   ARCH_RUN_32BIT="arch -i386"
-
-	         elif test "$UNIVERSAL_ARCHS" = "3-way" ; then
-		   UNIVERSAL_ARCH_FLAGS="-arch i386 -arch ppc -arch x86_64"
-		   LIPO_32BIT_FLAGS="-extract ppc7400 -extract i386"
-		   ARCH_RUN_32BIT="arch -i386 -ppc7400"
-
-		 else
-	           { { echo "$as_me:$LINENO: error: proper usage is --with-universal-arch=32-bit|64-bit|all|intel|3-way" >&5
-echo "$as_me: error: proper usage is --with-universal-arch=32-bit|64-bit|all|intel|3-way" >&2;}
-   { (exit 1); exit 1; }; }
-
-		 fi
-
-
-		BASECFLAGS="${UNIVERSAL_ARCH_FLAGS} -isysroot ${UNIVERSALSDK} ${BASECFLAGS}"
-		tgt=`sw_vers -productVersion | sed 's/\(10\.[0-9]*\).*/\1/'`
-		if test "${UNIVERSALSDK}" != "/" -a "${tgt}" '>' '10.4' ; then
-			CFLAGS="${UNIVERSAL_ARCH_FLAGS} -isysroot ${UNIVERSALSDK} ${CFLAGS}"
-		fi
+	    if test "${CC}" = gcc
+	    then
+		{ echo "$as_me:$LINENO: checking which compiler should be used" >&5
+echo $ECHO_N "checking which compiler should be used... $ECHO_C" >&6; }
+		case "${UNIVERSALSDK}" in
+		*/MacOSX10.4u.sdk)
+			# Build using 10.4 SDK, force usage of gcc when the
+			# compiler is gcc, otherwise the user will get very
+			# confusing error messages when building on OSX 10.6
+			CC=gcc-4.0
+			CPP=cpp-4.0
+			;;
+		esac
+		{ echo "$as_me:$LINENO: result: $CC" >&5
+echo "${ECHO_T}$CC" >&6; }
 	    fi
 
 	    # Calculate the right deployment target for this build.
@@ -4770,6 +4745,84 @@
 	    export MACOSX_DEPLOYMENT_TARGET
 	    EXPORT_MACOSX_DEPLOYMENT_TARGET=''
 
+	    if test "${enable_universalsdk}"; then
+		UNIVERSAL_ARCH_FLAGS=""
+	        if test "$UNIVERSAL_ARCHS" = "32-bit" ; then
+		   UNIVERSAL_ARCH_FLAGS="-arch ppc -arch i386"
+		   ARCH_RUN_32BIT=""
+		   LIPO_32BIT_FLAGS="-extract ppc7400 -extract i386"
+
+
+		   # You have to use different flags on various versions of
+		   # OSX to extract PPC code from an universal binary, basically
+		   # '-arch ppc' on OSX 10.4 and '-arch ppc7400' on anything
+		   # newer.
+		   # Because '-arch pp7400' works on OSX 10.5 or higher this
+		   # test is only present in the '32-bit' branch, all other
+		   # branches require OSX 10.5 to compile.
+
+		   { echo "$as_me:$LINENO: checking lipo flag for extracting ppc code" >&5
+echo $ECHO_N "checking lipo flag for extracting ppc code... $ECHO_C" >&6; }
+		   FN="test.$$"
+		   cat >${FN}.c <<-EOF
+		   	int main() { return 0; }
+EOF
+		   ${CC} ${CFLAGS} -arch ppc -arch i386 -o ${FN} ${FN}.c -isysroot ${UNIVERSALSDK}
+		   if test $? != 0 ; then
+			   rm ${FN} ${FN}.c
+			   { echo "$as_me:$LINENO: result: failed, assumee -extract ppc7400" >&5
+echo "${ECHO_T}failed, assumee -extract ppc7400" >&6; }
+		   else
+		   	lipo -extract -output "${FN}.out" -arch ppc7400 "${FN}" 2>/dev/null
+			if test $? != 0 ; then
+		   		LIPO_32BIT_FLAGS="-extract ppc -extract i386"
+			   	{ echo "$as_me:$LINENO: result: \"'-extract ppc'\"" >&5
+echo "${ECHO_T}\"'-extract ppc'\"" >&6; }
+			else
+			   	{ echo "$as_me:$LINENO: result: \"'-extract ppc7400'\"" >&5
+echo "${ECHO_T}\"'-extract ppc7400'\"" >&6; }
+			fi
+		        rm -f ${FN} ${FN}.c ${FN}.out
+		   fi
+
+	         elif test "$UNIVERSAL_ARCHS" = "64-bit" ; then
+		   UNIVERSAL_ARCH_FLAGS="-arch ppc64 -arch x86_64"
+		   LIPO_32BIT_FLAGS=""
+		   ARCH_RUN_32BIT="true"
+
+	         elif test "$UNIVERSAL_ARCHS" = "all" ; then
+		   UNIVERSAL_ARCH_FLAGS="-arch i386 -arch ppc -arch ppc64 -arch x86_64"
+		   LIPO_32BIT_FLAGS="-extract ppc7400 -extract i386"
+		   ARCH_RUN_32BIT="arch -i386 -ppc"
+
+	         elif test "$UNIVERSAL_ARCHS" = "intel" ; then
+		   UNIVERSAL_ARCH_FLAGS="-arch i386 -arch x86_64"
+		   LIPO_32BIT_FLAGS="-extract i386"
+		   ARCH_RUN_32BIT="arch -i386"
+
+	         elif test "$UNIVERSAL_ARCHS" = "3-way" ; then
+		   UNIVERSAL_ARCH_FLAGS="-arch i386 -arch ppc -arch x86_64"
+		   LIPO_32BIT_FLAGS="-extract ppc7400 -extract i386"
+		   ARCH_RUN_32BIT="arch -i386 -ppc7400"
+
+		 else
+	           { { echo "$as_me:$LINENO: error: proper usage is --with-universal-arch=32-bit|64-bit|all|intel|3-way" >&5
+echo "$as_me: error: proper usage is --with-universal-arch=32-bit|64-bit|all|intel|3-way" >&2;}
+   { (exit 1); exit 1; }; }
+
+		 fi
+
+
+		BASECFLAGS="${UNIVERSAL_ARCH_FLAGS} -isysroot ${UNIVERSALSDK} ${BASECFLAGS}"
+		tgt=`sw_vers -productVersion | sed 's/\(10\.[0-9]*\).*/\1/'`
+		if test "${UNIVERSALSDK}" != "/" -a "${tgt}" '>' '10.4' ; then
+			CFLAGS="${UNIVERSAL_ARCH_FLAGS} -isysroot ${UNIVERSALSDK} ${CFLAGS}"
+			CPPFLAGS="-isysroot ${UNIVERSALSDK}"
+		fi
+
+	    fi
+
+
 	    ;;
 	OSF*)
 	    BASECFLAGS="$BASECFLAGS -mieee"
@@ -5414,7 +5467,7 @@
 else
   ac_cv_header_stdc=no
 fi
-rm -f conftest*
+rm -f -r conftest*
 
 fi
 
@@ -5435,7 +5488,7 @@
 else
   ac_cv_header_stdc=no
 fi
-rm -f conftest*
+rm -f -r conftest*
 
 fi
 
@@ -5643,6 +5696,8 @@
 
 
 
+
+
 for ac_header in asm/types.h conio.h curses.h direct.h dlfcn.h errno.h \
 fcntl.h grp.h \
 ieeefp.h io.h langinfo.h libintl.h ncurses.h poll.h process.h pthread.h \
@@ -5654,7 +5709,7 @@
 sys/termio.h sys/time.h \
 sys/times.h sys/types.h sys/un.h sys/utsname.h sys/wait.h pty.h libutil.h \
 sys/resource.h netpacket/packet.h sysexits.h bluetooth.h \
-bluetooth/bluetooth.h linux/tipc.h
+bluetooth/bluetooth.h linux/tipc.h spawn.h util.h
 do
 as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
 if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
@@ -6533,7 +6588,7 @@
 
 
 fi
-rm -f conftest*
+rm -f -r conftest*
 
 { echo "$as_me:$LINENO: result: $was_it_defined" >&5
 echo "${ECHO_T}$was_it_defined" >&6; }
@@ -7063,7 +7118,7 @@
 else
   ac_cv_type_uid_t=no
 fi
-rm -f conftest*
+rm -f -r conftest*
 
 fi
 { echo "$as_me:$LINENO: result: $ac_cv_type_uid_t" >&5
@@ -14508,7 +14563,7 @@
     LIBTOOL_CRUFT=$LIBTOOL_CRUFT' -install_name $(PYTHONFRAMEWORKINSTALLDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)'
     LIBTOOL_CRUFT=$LIBTOOL_CRUFT' -compatibility_version $(VERSION) -current_version $(VERSION)';;
   Darwin/*)
-    gcc_version=`gcc -v 2>&1 |  grep version | cut -d\  -f3`
+    gcc_version=`gcc -dumpversion`
     if test ${gcc_version} '<' 4.0
         then
             LIBTOOL_CRUFT="-lcc_dynamic"
@@ -15850,7 +15905,7 @@
 else
   unistd_defines_pthreads=no
 fi
-rm -f conftest*
+rm -f -r conftest*
 
     { echo "$as_me:$LINENO: result: $unistd_defines_pthreads" >&5
 echo "${ECHO_T}$unistd_defines_pthreads" >&6; }
@@ -17464,7 +17519,7 @@
   $EGREP "yes" >/dev/null 2>&1; then
   ipv6type=$i
 fi
-rm -f conftest*
+rm -f -r conftest*
 
 			;;
 		kame)
@@ -17487,7 +17542,7 @@
 				ipv6libdir=/usr/local/v6/lib
 				ipv6trylibc=yes
 fi
-rm -f conftest*
+rm -f -r conftest*
 
 			;;
 		linux-glibc)
@@ -17508,7 +17563,7 @@
   ipv6type=$i;
 				ipv6trylibc=yes
 fi
-rm -f conftest*
+rm -f -r conftest*
 
 			;;
 		linux-inet6)
@@ -17546,7 +17601,7 @@
 				ipv6lib=inet6;
 				ipv6libdir=/usr/local/v6/lib
 fi
-rm -f conftest*
+rm -f -r conftest*
 
 			;;
 		v6d)
@@ -17569,7 +17624,7 @@
 				ipv6libdir=/usr/local/v6/lib;
 				BASECFLAGS="-I/usr/local/v6/include $BASECFLAGS"
 fi
-rm -f conftest*
+rm -f -r conftest*
 
 			;;
 		zeta)
@@ -17591,7 +17646,7 @@
 				ipv6lib=inet6;
 				ipv6libdir=/usr/local/v6/lib
 fi
-rm -f conftest*
+rm -f -r conftest*
 
 			;;
 		esac
@@ -26134,7 +26189,7 @@
 _ACEOF
 
 fi
-rm -f conftest*
+rm -f -r conftest*
 
   cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
@@ -26153,7 +26208,7 @@
 _ACEOF
 
 fi
-rm -f conftest*
+rm -f -r conftest*
 
 fi
 
@@ -26423,7 +26478,7 @@
 _ACEOF
 
 fi
-rm -f conftest*
+rm -f -r conftest*
 
 fi
 
diff --git a/configure.in b/configure.in
index 7070a42..16a743e 100644
--- a/configure.in
+++ b/configure.in
@@ -307,6 +307,8 @@
   # has no effect, don't bother defining them
   Darwin/@<:@6789@:>@.*)
     define_xopen_source=no;;
+  Darwin/1@<:@0-9@:>@.*)
+    define_xopen_source=no;;
   # On AIX 4 and 5.1, mbstate_t is defined only when _XOPEN_SOURCE == 500 but
   # used in wcsnrtombs() and mbsnrtowcs() even if _XOPEN_SOURCE is not defined
   # or has another value. By not (re)defining it, the defaults come in place.
@@ -935,46 +937,19 @@
 	Darwin*)
 	    # -Wno-long-double, -no-cpp-precomp, and -mno-fused-madd
 	    # used to be here, but non-Apple gcc doesn't accept them.
-
-
-	    if test "${enable_universalsdk}"; then
-		UNIVERSAL_ARCH_FLAGS=""
-	        if test "$UNIVERSAL_ARCHS" = "32-bit" ; then
-		   UNIVERSAL_ARCH_FLAGS="-arch ppc -arch i386"
-		   ARCH_RUN_32BIT=""
-		   LIPO_32BIT_FLAGS="-extract ppc7400 -extract i386"
-
-	         elif test "$UNIVERSAL_ARCHS" = "64-bit" ; then
-		   UNIVERSAL_ARCH_FLAGS="-arch ppc64 -arch x86_64"
-		   LIPO_32BIT_FLAGS=""
-		   ARCH_RUN_32BIT="true"
-
-	         elif test "$UNIVERSAL_ARCHS" = "all" ; then
-		   UNIVERSAL_ARCH_FLAGS="-arch i386 -arch ppc -arch ppc64 -arch x86_64"
-		   LIPO_32BIT_FLAGS="-extract ppc7400 -extract i386"
-		   ARCH_RUN_32BIT="arch -i386 -ppc"
-
-	         elif test "$UNIVERSAL_ARCHS" = "intel" ; then
-		   UNIVERSAL_ARCH_FLAGS="-arch i386 -arch x86_64"
-		   LIPO_32BIT_FLAGS="-extract i386"
-		   ARCH_RUN_32BIT="arch -i386"
-
-	         elif test "$UNIVERSAL_ARCHS" = "3-way" ; then
-		   UNIVERSAL_ARCH_FLAGS="-arch i386 -arch ppc -arch x86_64"
-		   LIPO_32BIT_FLAGS="-extract ppc7400 -extract i386"
-		   ARCH_RUN_32BIT="arch -i386 -ppc7400"
-
-		 else
-	           AC_MSG_ERROR([proper usage is --with-universal-arch=32-bit|64-bit|all|intel|3-way])
-
-		 fi
-
-
-		BASECFLAGS="${UNIVERSAL_ARCH_FLAGS} -isysroot ${UNIVERSALSDK} ${BASECFLAGS}"
-		tgt=`sw_vers -productVersion | sed 's/\(10\.[[0-9]]*\).*/\1/'`
-		if test "${UNIVERSALSDK}" != "/" -a "${tgt}" '>' '10.4' ; then
-			CFLAGS="${UNIVERSAL_ARCH_FLAGS} -isysroot ${UNIVERSALSDK} ${CFLAGS}"
-		fi
+	    if test "${CC}" = gcc
+	    then
+		AC_MSG_CHECKING(which compiler should be used)
+		case "${UNIVERSALSDK}" in
+		*/MacOSX10.4u.sdk)
+			# Build using 10.4 SDK, force usage of gcc when the 
+			# compiler is gcc, otherwise the user will get very
+			# confusing error messages when building on OSX 10.6
+			CC=gcc-4.0
+			CPP=cpp-4.0
+			;;
+		esac
+		AC_MSG_RESULT($CC)
 	    fi
 
 	    # Calculate the right deployment target for this build.
@@ -1018,6 +993,78 @@
 	    export MACOSX_DEPLOYMENT_TARGET
 	    EXPORT_MACOSX_DEPLOYMENT_TARGET=''
 
+	    if test "${enable_universalsdk}"; then
+		UNIVERSAL_ARCH_FLAGS=""
+	        if test "$UNIVERSAL_ARCHS" = "32-bit" ; then
+		   UNIVERSAL_ARCH_FLAGS="-arch ppc -arch i386"
+		   ARCH_RUN_32BIT=""
+		   LIPO_32BIT_FLAGS="-extract ppc7400 -extract i386"
+
+
+		   # You have to use different flags on various versions of
+		   # OSX to extract PPC code from an universal binary, basically
+		   # '-arch ppc' on OSX 10.4 and '-arch ppc7400' on anything
+		   # newer. 
+		   # Because '-arch pp7400' works on OSX 10.5 or higher this
+		   # test is only present in the '32-bit' branch, all other
+		   # branches require OSX 10.5 to compile.
+			
+		   AC_MSG_CHECKING(lipo flag for extracting ppc code)
+		   FN="test.$$"
+		   cat >${FN}.c <<-EOF
+		   	int main() { return 0; }
+EOF
+		   ${CC} ${CFLAGS} -arch ppc -arch i386 -o ${FN} ${FN}.c -isysroot ${UNIVERSALSDK}
+		   if test $? != 0 ; then
+			   rm ${FN} ${FN}.c
+			   AC_MSG_RESULT([failed, assumee -extract ppc7400])
+		   else
+		   	lipo -extract -output "${FN}.out" -arch ppc7400 "${FN}" 2>/dev/null
+			if test $? != 0 ; then
+		   		LIPO_32BIT_FLAGS="-extract ppc -extract i386"
+			   	AC_MSG_RESULT("'-extract ppc'")
+			else
+			   	AC_MSG_RESULT("'-extract ppc7400'")
+			fi
+		        rm -f ${FN} ${FN}.c ${FN}.out
+		   fi
+
+	         elif test "$UNIVERSAL_ARCHS" = "64-bit" ; then
+		   UNIVERSAL_ARCH_FLAGS="-arch ppc64 -arch x86_64"
+		   LIPO_32BIT_FLAGS=""
+		   ARCH_RUN_32BIT="true"
+
+	         elif test "$UNIVERSAL_ARCHS" = "all" ; then
+		   UNIVERSAL_ARCH_FLAGS="-arch i386 -arch ppc -arch ppc64 -arch x86_64"
+		   LIPO_32BIT_FLAGS="-extract ppc7400 -extract i386"
+		   ARCH_RUN_32BIT="arch -i386 -ppc"
+
+	         elif test "$UNIVERSAL_ARCHS" = "intel" ; then
+		   UNIVERSAL_ARCH_FLAGS="-arch i386 -arch x86_64"
+		   LIPO_32BIT_FLAGS="-extract i386"
+		   ARCH_RUN_32BIT="arch -i386"
+
+	         elif test "$UNIVERSAL_ARCHS" = "3-way" ; then
+		   UNIVERSAL_ARCH_FLAGS="-arch i386 -arch ppc -arch x86_64"
+		   LIPO_32BIT_FLAGS="-extract ppc7400 -extract i386"
+		   ARCH_RUN_32BIT="arch -i386 -ppc7400"
+
+		 else
+	           AC_MSG_ERROR([proper usage is --with-universal-arch=32-bit|64-bit|all|intel|3-way])
+
+		 fi
+
+
+		BASECFLAGS="${UNIVERSAL_ARCH_FLAGS} -isysroot ${UNIVERSALSDK} ${BASECFLAGS}"
+		tgt=`sw_vers -productVersion | sed 's/\(10\.[[0-9]]*\).*/\1/'`
+		if test "${UNIVERSALSDK}" != "/" -a "${tgt}" '>' '10.4' ; then
+			CFLAGS="${UNIVERSAL_ARCH_FLAGS} -isysroot ${UNIVERSALSDK} ${CFLAGS}"
+			CPPFLAGS="-isysroot ${UNIVERSALSDK}"
+		fi
+
+	    fi
+
+
 	    ;;
 	OSF*)
 	    BASECFLAGS="$BASECFLAGS -mieee"
@@ -1297,7 +1344,7 @@
 sys/termio.h sys/time.h \
 sys/times.h sys/types.h sys/un.h sys/utsname.h sys/wait.h pty.h libutil.h \
 sys/resource.h netpacket/packet.h sysexits.h bluetooth.h \
-bluetooth/bluetooth.h linux/tipc.h)
+bluetooth/bluetooth.h linux/tipc.h spawn.h util.h)
 AC_HEADER_DIRENT
 AC_HEADER_MAJOR
 
@@ -1557,7 +1604,7 @@
     LIBTOOL_CRUFT=$LIBTOOL_CRUFT' -install_name $(PYTHONFRAMEWORKINSTALLDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)'
     LIBTOOL_CRUFT=$LIBTOOL_CRUFT' -compatibility_version $(VERSION) -current_version $(VERSION)';;
   Darwin/*)
-    gcc_version=`gcc -v 2>&1 |  grep version | cut -d\  -f3`
+    gcc_version=`gcc -dumpversion`
     if test ${gcc_version} '<' 4.0
         then
             LIBTOOL_CRUFT="-lcc_dynamic"
diff --git a/pyconfig.h.in b/pyconfig.h.in
index 85d58d1..cb65189 100644
--- a/pyconfig.h.in
+++ b/pyconfig.h.in
@@ -634,6 +634,9 @@
 /* Define if you have the 'socketpair' function. */
 #undef HAVE_SOCKETPAIR
 
+/* Define to 1 if you have the <spawn.h> header file. */
+#undef HAVE_SPAWN_H
+
 /* Define if your compiler provides ssize_t */
 #undef HAVE_SSIZE_T
 
@@ -849,6 +852,9 @@
    Include/unicodeobject.h). */
 #undef HAVE_USABLE_WCHAR_T
 
+/* Define to 1 if you have the <util.h> header file. */
+#undef HAVE_UTIL_H
+
 /* Define to 1 if you have the `utimes' function. */
 #undef HAVE_UTIMES