Fix for issue8089: a framework build with --with-universal-archs=3-way|intel had no way to select
a 32-bit executable (which is needed because not all (GUI) libraries are available in 64-bit mode)

Also fixes a typo in Mac/README
diff --git a/configure.in b/configure.in
index 84035de..e7cbd67 100644
--- a/configure.in
+++ b/configure.in
@@ -111,6 +111,10 @@
 AC_SUBST(ARCH_RUN_32BIT)
 
 UNIVERSAL_ARCHS="32-bit"
+AC_SUBST(LIPO_32BIT_FLAGS)
+AC_SUBST(LIPO_64BIT_FLAGS)
+AC_SUBST(UNIVERSAL_ARCH32_FLAGS)
+AC_SUBST(UNIVERSAL_ARCH64_FLAGS)
 AC_MSG_CHECKING(for --with-universal-archs)
 AC_ARG_WITH(universal-archs,
     AC_HELP_STRING(--with-universal-archs=ARCH, select architectures for universal build ("32-bit", "64-bit", "3-way", "intel" or "all")),
@@ -176,14 +180,16 @@
 		PYTHONFRAMEWORKINSTALLDIR=$PYTHONFRAMEWORKPREFIX/$PYTHONFRAMEWORKDIR
 		FRAMEWORKINSTALLFIRST="frameworkinstallstructure"
 		FRAMEWORKALTINSTALLFIRST="frameworkinstallstructure bininstall maninstall"
-		if test "$UNIVERSAL_ARCHS" = "all"
-		then
+		case "${UNIVERSAL_ARCHS}" in
+		all|3-way|intel)
 			FRAMEWORKINSTALLLAST="frameworkinstallmaclib frameworkinstallapps4way frameworkinstallunixtools4way"
 			FRAMEWORKALTINSTALLLAST="frameworkinstallmaclib frameworkinstallapps4way frameworkaltinstallunixtools4way"
-		else
+			;;
+		*)
 			FRAMEWORKINSTALLLAST="frameworkinstallmaclib frameworkinstallapps frameworkinstallunixtools"
 			FRAMEWORKALTINSTALLLAST="frameworkinstallmaclib frameworkinstallapps frameworkaltinstallunixtools"
-		fi
+			;;
+		esac
 
 		if test "x${prefix}" = "xNONE" ; then
 			FRAMEWORKUNIXTOOLSPREFIX="${ac_default_prefix}"
@@ -947,28 +953,39 @@
 	    # -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=""
+		   UNIVERSAL_ARCH_FLAGS="-arch ppc -arch i386"
 
 	         elif test "$UNIVERSAL_ARCHS" = "64-bit" ; then
-		   UNIVERSAL_ARCH_FLAGS="-arch ppc64 -arch x86_64"
 		   ARCH_RUN_32BIT="true"
+		   UNIVERSAL_ARCH_FLAGS="-arch ppc64 -arch x86_64"
 
 	         elif test "$UNIVERSAL_ARCHS" = "all" ; then
-		   UNIVERSAL_ARCH_FLAGS="-arch i386 -arch ppc -arch ppc64 -arch x86_64"
 		   ARCH_RUN_32BIT="/usr/bin/arch -i386 -ppc"
+		   UNIVERSAL_ARCH_FLAGS="-arch i386 -arch ppc -arch ppc64 -arch x86_64"
+		   UNIVERSAL_ARCH32_FLAGS="-arch i386 -arch ppc"
+		   UNIVERSAL_ARCH64_FLAGS="-arch x86_64 -arch x86_64"
+		   LIPO_32BIT_FLAGS="-extract i386 -extract ppc7400"
+		   LIPO_64BIT_FLAGS="-extract x86_64 -extract ppc64"
 
 	         elif test "$UNIVERSAL_ARCHS" = "intel" ; then
-		   UNIVERSAL_ARCH_FLAGS="-arch i386 -arch x86_64"
 		   ARCH_RUN_32BIT="/usr/bin/arch -i386"
+		   UNIVERSAL_ARCH_FLAGS="-arch i386 -arch x86_64"
+		   UNIVERSAL_ARCH32_FLAGS="-arch i386"
+		   UNIVERSAL_ARCH64_FLAGS="-arch x86_64"
+		   LIPO_32BIT_FLAGS="-extract i386"
+		   LIPO_64BIT_FLAGS="-extract x86_64"
 
 	         elif test "$UNIVERSAL_ARCHS" = "3-way" ; then
-		   UNIVERSAL_ARCH_FLAGS="-arch i386 -arch ppc -arch x86_64"
 		   ARCH_RUN_32BIT="/usr/bin/arch -i386 -ppc"
+		   UNIVERSAL_ARCH_FLAGS="-arch i386 -arch ppc -arch x86_64"
+		   UNIVERSAL_ARCH32_FLAGS="-arch i386 -arch ppc"
+		   UNIVERSAL_ARCH64_FLAGS="-arch x86_64"
+		   LIPO_32BIT_FLAGS="-extract i386 -extract ppc7400"
+		   LIPO_64BIT_FLAGS="-extract x86_64"
 
 		 else
 	           AC_MSG_ERROR([proper usage is --with-universal-arch=32-bit|64-bit|all|intel|3-way])