diff options
Diffstat (limited to 'config.guess')
| -rwxr-xr-x | config.guess | 71 |
1 files changed, 46 insertions, 25 deletions
diff --git a/config.guess b/config.guess index ea44a2a9ca..c4bca5f251 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; } |