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-rwxr-xr-xconfig.guess71
1 files changed, 46 insertions, 25 deletions
diff --git a/config.guess b/config.guess
index ea44a2a..c4bca5f 100755
--- a/config.guess
+++ b/config.guess
@@ -436,27 +436,27 @@ EOF
# The BFD linker knows what the default object file format is, so
# first see if it will tell us.
ld_help_string=`ld --help 2>&1`
- if echo "$ld_help_string" | grep >/dev/null 2>&1 "supported emulations: elf_i.86"; then
- echo "${UNAME_MACHINE}-pc-linux-gnu" ; exit 0
- elif echo "$ld_help_string" | grep >/dev/null 2>&1 "supported emulations: i.86linux"; then
- echo "${UNAME_MACHINE}-pc-linux-gnuaout" ; exit 0
- elif echo "$ld_help_string" | grep >/dev/null 2>&1 "supported emulations: i.86coff"; then
- echo "${UNAME_MACHINE}-pc-linux-gnucoff" ; exit 0
- elif echo "$ld_help_string" | grep >/dev/null 2>&1 "supported emulations: m68kelf"; then
- echo "${UNAME_MACHINE}-unknown-linux-gnu" ; exit 0
- elif echo "$ld_help_string" | grep >/dev/null 2>&1 "supported emulations: m68klinux"; then
- echo "${UNAME_MACHINE}-unknown-linux-gnuaout" ; exit 0
- elif echo "$ld_help_string" | grep >/dev/null 2>&1 "supported emulations: elf32ppc"; then
- echo "powerpc-unknown-linux-gnu" ; exit 0
- elif test "${UNAME_MACHINE}" = "alpha" ; then
+ ld_supported_emulations=`echo $ld_help_string \
+ | sed -ne '/supported emulations:/!d
+ s/[ ][ ]*/ /g
+ s/.*supported emulations: *//
+ s/ .*//
+ p'`
+ case "$ld_supported_emulations" in
+ i?86linux) echo "${UNAME_MACHINE}-pc-linux-gnuaout" ; exit 0 ;;
+ i?86coff) echo "${UNAME_MACHINE}-pc-linux-gnucoff" ; exit 0 ;;
+ sparclinux) echo "${UNAME_MACHINE}-unknown-linux-gnuaout" ; exit 0 ;;
+ m68klinux) echo "${UNAME_MACHINE}-unknown-linux-gnuaout" ; exit 0 ;;
+ elf32ppc) echo "powerpc-unknown-linux-gnu" ; exit 0 ;;
+ esac
+
+ if test "${UNAME_MACHINE}" = "alpha" ; then
echo alpha-unknown-linux-gnu ; exit 0
- elif test "${UNAME_MACHINE}" = "sparc" ; then
- echo sparc-unknown-linux-gnu ; exit 0
elif test "${UNAME_MACHINE}" = "mips" ; then
cat >dummy.c <<EOF
main(argc, argv)
-int argc;
-char *argv[];
+ int argc;
+ char *argv[];
{
#ifdef __MIPSEB__
printf ("%s-unknown-linux-gnu\n", argv[1]);
@@ -470,20 +470,41 @@ EOF
${CC-cc} dummy.c -o dummy 2>/dev/null && ./dummy "${UNAME_MACHINE}" && rm dummy.c dummy && exit 0
rm -f dummy.c dummy
else
- # Either a pre-BFD a.out linker (linux-gnuoldld) or one that does not give us
- # useful --help. Gcc wants to distinguish between linux-gnuoldld and linux-gnuaout.
- test ! -d /usr/lib/ldscripts/. \
- && echo "${UNAME_MACHINE}-pc-linux-gnuoldld" && exit 0
+ # Either a pre-BFD a.out linker (linux-gnuoldld)
+ # or one that does not give us useful --help.
+ # GCC wants to distinguish between linux-gnuoldld and linux-gnuaout.
+ # If ld does not provide *any* "supported emulations:"
+ # that means it is gnuoldld.
+ echo "$ld_help_string" | grep >/dev/null 2>&1 "supported emulations:"
+ test $? != 0 && echo "${UNAME_MACHINE}-pc-linux-gnuoldld" && exit 0
+
+ case "${UNAME_MACHINE}" in
+ i?86)
+ VENDOR=pc;
+ ;;
+ *)
+ VENDOR=unknown;
+ ;;
+ esac
# Determine whether the default compiler is a.out or elf
cat >dummy.c <<EOF
+#include <features.h>
main(argc, argv)
-int argc;
-char *argv[];
+ int argc;
+ char *argv[];
{
#ifdef __ELF__
- printf ("%s-pc-linux-gnu\n", argv[1]);
+# ifdef __GLIBC__
+# if __GLIBC__ >= 2
+ printf ("%s-${VENDOR}-linux-gnu\n", argv[1]);
+# else
+ printf ("%s-${VENDOR}-linux-gnulibc1\n", argv[1]);
+# endif
+# else
+ printf ("%s-${VENDOR}-linux-gnulibc1\n", argv[1]);
+# endif
#else
- printf ("%s-pc-linux-gnuaout\n", argv[1]);
+ printf ("%s-${VENDOR}-linux-gnuaout\n", argv[1]);
#endif
return 0;
}