- 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
- echo alpha-unknown-linux-gnu ; exit 0
- elif test "${UNAME_MACHINE}" = "sparc" ; then
- echo sparc-unknown-linux-gnu ; exit 0
+ 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 "${UNAME_MACHINE}-unknown-linux-gnuaout" ; exit 0 ;;
+ armlinux) echo "${UNAME_MACHINE}-unknown-linux-gnuaout" ; exit 0 ;;
+ m68klinux) echo "${UNAME_MACHINE}-unknown-linux-gnuaout" ; exit 0 ;;
+ elf32ppc)
+ # Determine Lib Version
+ cat >dummy.c <<EOF
+#include <features.h>
+#if defined(__GLIBC__)
+extern char __libc_version[];
+extern char __libc_release[];
+#endif
+main(argc, argv)
+ int argc;
+ char *argv[];
+{
+#if defined(__GLIBC__)
+ printf("%s %s\n", __libc_version, __libc_release);
+#else
+ printf("unkown\n");
+#endif
+ return 0;
+}
+EOF
+ LIBC=""
+ ${CC-cc} dummy.c -o dummy 2>/dev/null
+ if test "$?" = 0 ; then
+ ./dummy | grep 1\.99 > /dev/null
+ if test "$?" = 0 ; then
+ LIBC="libc1"
+ fi
+ fi
+ rm -f dummy.c dummy
+ echo powerpc-unknown-linux-gnu${LIBC} ; exit 0 ;;
+ esac
+
+ if test "${UNAME_MACHINE}" = "alpha" ; then
+ sed 's/^ //' <<EOF >dummy.s
+ .globl main
+ .ent main
+ main:
+ .frame \$30,0,\$26,0
+ .prologue 0
+ .long 0x47e03d80 # implver $0
+ lda \$2,259
+ .long 0x47e20c21 # amask $2,$1
+ srl \$1,8,\$2
+ sll \$2,2,\$2
+ sll \$0,3,\$0
+ addl \$1,\$0,\$0
+ addl \$2,\$0,\$0
+ ret \$31,(\$26),1
+ .end main
+EOF
+ LIBC=""
+ ${CC-cc} dummy.s -o dummy 2>/dev/null
+ if test "$?" = 0 ; then
+ ./dummy
+ case "$?" in
+ 7)
+ UNAME_MACHINE="alpha"
+ ;;
+ 15)
+ UNAME_MACHINE="alphaev5"
+ ;;
+ 14)
+ UNAME_MACHINE="alphaev56"
+ ;;
+ 10)
+ UNAME_MACHINE="alphapca56"
+ ;;
+ 16)
+ UNAME_MACHINE="alphaev6"
+ ;;
+ esac
+
+ objdump --private-headers dummy | \
+ grep ld.so.1 > /dev/null
+ if test "$?" = 0 ; then
+ LIBC="libc1"
+ fi
+ fi
+ rm -f dummy.s dummy
+ echo ${UNAME_MACHINE}-unknown-linux-gnu${LIBC} ; exit 0
+ elif test "${UNAME_MACHINE}" = "mips" ; then
+ cat >dummy.c <<EOF
+main(argc, argv)
+ int argc;
+ char *argv[];
+{
+#ifdef __MIPSEB__
+ printf ("%s-unknown-linux-gnu\n", argv[1]);
+#endif
+#ifdef __MIPSEL__
+ printf ("%sel-unknown-linux-gnu\n", argv[1]);
+#endif
+ return 0;
+}
+EOF
+ ${CC-cc} dummy.c -o dummy 2>/dev/null && ./dummy "${UNAME_MACHINE}" && rm dummy.c dummy && exit 0
+ rm -f dummy.c dummy