])])# _LT_AC_PROG_ECHO_BACKSLASH# _LT_AC_LOCK# -----------AC_DEFUN([_LT_AC_LOCK],[AC_ARG_ENABLE([libtool-lock],    [AC_HELP_STRING([--disable-libtool-lock],	[avoid locking (might break parallel builds)])])test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes# Some flags need to be propagated to the compiler or linker for good# libtool support.case $host inia64-*-hpux*)  # Find out which ABI we are using.  echo 'int i;' > conftest.$ac_ext  if AC_TRY_EVAL(ac_compile); then    case `/usr/bin/file conftest.$ac_objext` in    *ELF-32*)      HPUX_IA64_MODE="32"      ;;    *ELF-64*)      HPUX_IA64_MODE="64"      ;;    esac  fi  rm -rf conftest*  ;;*-*-irix6*)  # Find out which ABI we are using.  echo '[#]line __oline__ "configure"' > conftest.$ac_ext  if AC_TRY_EVAL(ac_compile); then   if test "$lt_cv_prog_gnu_ld" = yes; then    case `/usr/bin/file conftest.$ac_objext` in    *32-bit*)      LD="${LD-ld} -melf32bsmip"      ;;    *N32*)      LD="${LD-ld} -melf32bmipn32"      ;;    *64-bit*)      LD="${LD-ld} -melf64bmip"      ;;    esac   else    case `/usr/bin/file conftest.$ac_objext` in    *32-bit*)      LD="${LD-ld} -32"      ;;    *N32*)      LD="${LD-ld} -n32"      ;;    *64-bit*)      LD="${LD-ld} -64"      ;;    esac   fi  fi  rm -rf conftest*  ;;x86_64-*linux*|ppc*-*linux*|powerpc*-*linux*|s390*-*linux*|sparc*-*linux*)  # Find out which ABI we are using.  echo 'int i;' > conftest.$ac_ext  if AC_TRY_EVAL(ac_compile); then    case "`/usr/bin/file conftest.o`" in    *32-bit*)      case $host in        x86_64-*linux*)          LD="${LD-ld} -m elf_i386"          ;;        ppc64-*linux*|powerpc64-*linux*)          LD="${LD-ld} -m elf32ppclinux"          ;;        s390x-*linux*)          LD="${LD-ld} -m elf_s390"          ;;        sparc64-*linux*)          LD="${LD-ld} -m elf32_sparc"          ;;      esac      ;;    *64-bit*)      case $host in        x86_64-*linux*)          LD="${LD-ld} -m elf_x86_64"          ;;        ppc*-*linux*|powerpc*-*linux*)          LD="${LD-ld} -m elf64ppc"          ;;        s390*-*linux*)          LD="${LD-ld} -m elf64_s390"          ;;        sparc*-*linux*)          LD="${LD-ld} -m elf64_sparc"          ;;      esac      ;;    esac  fi  rm -rf conftest*  ;;*-*-sco3.2v5*)  # On SCO OpenServer 5, we need -belf to get full-featured binaries.  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