diff --git a/configure b/configure
index 891ed9c..c122fa6 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
 #! /bin/sh
-# From configure.in Revision: 79117 .
+# From configure.in Revision: 79354 .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.61 for python 3.1.
 #
@@ -3843,7 +3843,7 @@
   { echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6; }
 fi
-rm -f conftest*
+rm -f -r conftest*
 
 
 
@@ -4661,6 +4661,22 @@
 	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 "${CC}" = gcc
+	    then
+		{ echo "$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
 
 
 	    if test "${enable_universalsdk}"; then
@@ -4699,10 +4715,12 @@
 		 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} ${CFLAGS}"
+		CFLAGS="${UNIVERSAL_ARCH_FLAGS} -isysroot ${UNIVERSALSDK} ${CFLAGS}"
+		if test "${UNIVERSALSDK}" != "/"
+		then
+			CFLAGS="-isysroot ${UNIVERSALSDK} ${CFLAGS}"
+			LDFLAGS="-isysroot ${UNIVERSALSDK} ${LDFLAGS}"
+			CPPFLAGSFLAGS="-isysroot ${UNIVERSALSDK} ${CPPFLAGS}"
 		fi
 	    fi
 
@@ -5397,7 +5415,7 @@
 else
   ac_cv_header_stdc=no
 fi
-rm -f conftest*
+rm -f -r conftest*
 
 fi
 
@@ -5418,7 +5436,7 @@
 else
   ac_cv_header_stdc=no
 fi
-rm -f conftest*
+rm -f -r conftest*
 
 fi
 
@@ -6516,7 +6534,7 @@
 
 
 fi
-rm -f conftest*
+rm -f -r conftest*
 
 { echo "$as_me:$LINENO: result: $was_it_defined" >&5
 echo "${ECHO_T}$was_it_defined" >&6; }
@@ -7046,7 +7064,7 @@
 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
@@ -14461,7 +14479,7 @@
 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; }
@@ -15929,7 +15947,7 @@
   $EGREP "yes" >/dev/null 2>&1; then
   ipv6type=$i
 fi
-rm -f conftest*
+rm -f -r conftest*
 
 			;;
 		kame)
@@ -15952,7 +15970,7 @@
 				ipv6libdir=/usr/local/v6/lib
 				ipv6trylibc=yes
 fi
-rm -f conftest*
+rm -f -r conftest*
 
 			;;
 		linux-glibc)
@@ -15973,7 +15991,7 @@
   ipv6type=$i;
 				ipv6trylibc=yes
 fi
-rm -f conftest*
+rm -f -r conftest*
 
 			;;
 		linux-inet6)
@@ -16011,7 +16029,7 @@
 				ipv6lib=inet6;
 				ipv6libdir=/usr/local/v6/lib
 fi
-rm -f conftest*
+rm -f -r conftest*
 
 			;;
 		v6d)
@@ -16034,7 +16052,7 @@
 				ipv6libdir=/usr/local/v6/lib;
 				BASECFLAGS="-I/usr/local/v6/include $BASECFLAGS"
 fi
-rm -f conftest*
+rm -f -r conftest*
 
 			;;
 		zeta)
@@ -16056,7 +16074,7 @@
 				ipv6lib=inet6;
 				ipv6libdir=/usr/local/v6/lib
 fi
-rm -f conftest*
+rm -f -r conftest*
 
 			;;
 		esac
@@ -24309,7 +24327,7 @@
 _ACEOF
 
 fi
-rm -f conftest*
+rm -f -r conftest*
 
   cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
@@ -24328,7 +24346,7 @@
 _ACEOF
 
 fi
-rm -f conftest*
+rm -f -r conftest*
 
 fi
 
@@ -24598,7 +24616,7 @@
 _ACEOF
 
 fi
-rm -f conftest*
+rm -f -r conftest*
 
 fi