The attached patch for config.guess should cover all
of the bases for darwin10 and I've sent this to Ben
Elliston for review. If a system compiler exists, the
default triplet for on Intel darwin is set to the
default code generation. In the absence of a compiler,
if the system is on darwin10 or later, the sysctl
call is used to detect if the processor is EMT64
capable. FYI.
Jack
--- config.guess 2009-09-16 18:42:33.000000000 -0400
+++ config.guess.proposed2 2009-09-16 18:45:19.000000000 -0400
@@ -4,7 +4,7 @@
# 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
# Free Software Foundation, Inc.
-timestamp='2009-08-19'
+timestamp='2009-09-03'
# This file is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
@@ -1247,6 +1247,31 @@
*:Darwin:*:*)
UNAME_PROCESSOR=`uname -p` || UNAME_PROCESSOR=unknown
case $UNAME_PROCESSOR in
+ i386)
+ eval $set_cc_for_build
+ if [ "$CC_FOR_BUILD" != 'no_compiler_found' ]; then
+ # if system compiler available test by code generation
+ sed 's/^ //' << EOF >$dummy.c
+ #if defined(__LP64__)
+ main()
+ {
+ }
+ #endif
+EOF
+ if test `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep -c
main` = 1 ; then
+ UNAME_PROCESSOR=x86_64
+ fi
+ else
+ # architecture test in absence of compiler
+ case `uname -r` in
+ [1-9].*) ;;
+ *)
+ # if darwin10 or later test if EMT64 capable
+ if test `sysctl -n hw.cpu64bit_capable | grep -c 1` =
1 ; then
+ UNAME_PROCESSOR=x86_64
+ fi ;;
+ esac
+ fi ;;
unknown) UNAME_PROCESSOR=powerpc ;;
esac
echo ${UNAME_PROCESSOR}-apple-darwin${UNAME_RELEASE}
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