Regenerate with snapshot aclocal and automake, reverts to cvs rev 1.20

of this file.  (rev 1.21 somehow got some old automake stuff.)

1 files changed, 482 insertions, 35 deletions

diff --git a/aclocal.m4 b/aclocal.m4
index d3d574a98..ed71c7ded 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -1,4 +1,4 @@
-dnl aclocal.m4 generated automatically by aclocal 1.4
+dnl aclocal.m4 generated automatically by aclocal 1.4a
 
 dnl Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
@@ -670,7 +670,7 @@ AC_DEFUN(AC_CANONICAL_BUILD, [_AC_CANONICAL_BUILD])
 AC_DEFUN(AC_CHECK_TOOL_PREFIX, [_AC_CHECK_TOOL_PREFIX])
 
 
-# serial 40 AC_PROG_LIBTOOL
+# serial 42 AC_PROG_LIBTOOL
 AC_DEFUN(AC_PROG_LIBTOOL,
 [AC_REQUIRE([AC_LIBTOOL_SETUP])dnl
 
@@ -678,12 +678,14 @@ AC_DEFUN(AC_PROG_LIBTOOL,
 AC_CACHE_SAVE
 
 # Actually configure libtool.  ac_aux_dir is where install-sh is found.
-CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \
-LD="$LD" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \
-LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" \
-DLLTOOL="$DLLTOOL" AS="$AS" OBJDUMP="$OBJDUMP" \
+AR="$AR" CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \
+MAGIC="$MAGIC" LD="$LD" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \
+LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" STRIP="$STRIP" \
+AS="$AS" DLLTOOL="$DLLTOOL" OBJDUMP="$OBJDUMP" \
+objext="$OBJEXT" exeext="$EXEEXT" reload_flag="$reload_flag" \
+deplibs_check_method="$deplibs_check_method" file_magic_cmd="$file_magic_cmd" \
 ${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig --no-reexec \
-$libtool_flags --no-verify $ac_aux_dir/ltmain.sh $lt_target \
+$libtool_flags --no-verify --build="$build" $ac_aux_dir/ltmain.sh $lt_target \
 || AC_MSG_ERROR([libtool configure failed])
 
 # Reload cache, that may have been modified by ltconfig
@@ -708,18 +710,33 @@ AC_REQUIRE([AC_ENABLE_STATIC])dnl
 AC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnl
 AC_REQUIRE([AC_CANONICAL_HOST])dnl
 AC_REQUIRE([AC_CANONICAL_BUILD])dnl
-AC_REQUIRE([AC_PROG_RANLIB])dnl
 AC_REQUIRE([AC_PROG_CC])dnl
 AC_REQUIRE([AC_PROG_LD])dnl
+AC_REQUIRE([AC_PROG_LD_RELOAD_FLAG])dnl
 AC_REQUIRE([AC_PROG_NM])dnl
 AC_REQUIRE([AC_PROG_LN_S])dnl
+AC_REQUIRE([AC_DEPLIBS_CHECK_METHOD])dnl
+AC_REQUIRE([AC_OBJEXT])dnl
+AC_REQUIRE([AC_EXEEXT])dnl
 dnl
 
+# Only perform the check for file, if the check method requires it
+case "$deplibs_check_method" in
+file_magic*)
+  if test "$file_magic_cmd" = '${MAGIC}'; then
+    AC_PATH_MAGIC
+  fi
+  ;;
+esac
+
 case "$target" in
 NONE) lt_target="$host" ;;
 *) lt_target="$target" ;;
 esac
 
+AC_CHECK_TOOL(RANLIB, ranlib, :)
+AC_CHECK_TOOL(STRIP, strip, :)
+
 # Check for any special flags to pass to ltconfig.
 libtool_flags="--cache-file=$cache_file"
 test "$enable_shared" = no && libtool_flags="$libtool_flags --disable-shared"
@@ -736,6 +753,12 @@ AC_ARG_ENABLE(libtool-lock,
 test "x$enable_libtool_lock" = xno && libtool_flags="$libtool_flags --disable-lock"
 test x"$silent" = xyes && libtool_flags="$libtool_flags --silent"
 
+AC_ARG_WITH(pic,
+  [  --with-pic              try to use only PIC/non-PIC objects [default=use both]],
+     pic_mode="$withval", pic_mode=default)
+test x"$pic_mode" = xyes && libtool_flags="$libtool_flags --prefer-pic"
+test x"$pic_mode" = xno && libtool_flags="$libtool_flags --prefer-non-pic"
+
 # Some flags need to be propagated to the compiler or linker for good
 # libtool support.
 case "$lt_target" in
@@ -763,7 +786,10 @@ case "$lt_target" in
   SAVE_CFLAGS="$CFLAGS"
   CFLAGS="$CFLAGS -belf"
   AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf,
-    [AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])])
+    [AC_LANG_SAVE
+     AC_LANG_C
+     AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])
+     AC_LANG_RESTORE])
   if test x"$lt_cv_cc_needs_belf" != x"yes"; then
     # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
     CFLAGS="$SAVE_CFLAGS"
@@ -775,8 +801,31 @@ ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
   AC_CHECK_TOOL(DLLTOOL, dlltool, false)
   AC_CHECK_TOOL(AS, as, false)
   AC_CHECK_TOOL(OBJDUMP, objdump, false)
+
+  # recent cygwin and mingw systems supply a stub DllMain which the user
+  # can override, but on older systems we have to supply one
+  AC_CACHE_CHECK([if libtool should supply DllMain function], lt_cv_need_dllmain,
+    [AC_TRY_LINK([],
+      [extern int __attribute__((__stdcall__)) DllMain(void*, int, void*);
+      DllMain (0, 0, 0);],
+      [lt_cv_need_dllmain=no],[lt_cv_need_dllmain=yes])])
+
+  case "$lt_target/$CC" in
+  *-*-cygwin*/gcc*-mno-cygwin*|*-*-mingw*)
+    # old mingw systems require "-dll" to link a DLL, while more recent ones
+    # require "-mdll"
+    SAVE_CFLAGS="$CFLAGS"
+    CFLAGS="$CFLAGS -mdll"
+    AC_CACHE_CHECK([how to link DLLs], lt_cv_cc_dll_switch,
+      [AC_TRY_LINK([], [], [lt_cv_cc_dll_switch=-mdll],[lt_cv_cc_dll_switch=-dll])])
+    CFLAGS="$SAVE_CFLAGS" ;;
+  *-*-cygwin*)
+    # cygwin systems need to pass --dll to the linker, and not link
+    # crt.o which will require a WinMain@16 definition.
+    lt_cv_cc_dll_switch="-Wl,--dll -nostartfiles" ;;
+  esac
   ;;
-])
+  ])
 esac
 ])
 
@@ -886,6 +935,83 @@ enable_fast_install=AC_ENABLE_FAST_INSTALL_DEFAULT)dnl
 AC_DEFUN(AC_DISABLE_FAST_INSTALL, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
 AC_ENABLE_FAST_INSTALL(no)])
 
+
+# AC_PATH_TOOL_PREFIX - find a file program which can recognise shared library
+AC_DEFUN(AC_PATH_TOOL_PREFIX,
+[AC_MSG_CHECKING([for $1])
+AC_CACHE_VAL(lt_cv_path_MAGIC,
+[case "$MAGIC" in
+  /*)
+  lt_cv_path_MAGIC="$MAGIC" # Let the user override the test with a path.
+  ;;
+  ?:/*)
+  ac_cv_path_MAGIC="$MAGIC" # Let the user override the test with a dos path.
+  ;;
+  *)
+  ac_save_MAGIC="$MAGIC"
+  IFS="${IFS=   }"; ac_save_ifs="$IFS"; IFS=":"
+dnl $ac_dummy forces splitting on constant user-supplied paths.
+dnl POSIX.2 word splitting is done only on the output of word expansions,
+dnl not every word.  This closes a longstanding sh security hole.
+  ac_dummy="ifelse([$2], , $PATH, [$2])"
+  for ac_dir in $ac_dummy; do
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$1; then
+      lt_cv_path_MAGIC="$ac_dir/$1"
+      if test -n "$file_magic_test_file"; then
+	case "$deplibs_check_method" in
+	"file_magic "*)
+	  file_magic_regex="`expr \"$deplibs_check_method\" : \"file_magic \(.*\)\"`"
+	  MAGIC="$lt_cv_path_MAGIC"
+	  if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
+	    egrep "$file_magic_regex" > /dev/null; then
+	    :
+	  else
+	    cat <<EOF 1>&2
+
+*** Warning: the command libtool uses to detect shared libraries,
+*** $file_magic_cmd, produces output that libtool cannot recognize.
+*** The result is that libtool may fail to recognize shared libraries
+*** as such.  This will affect the creation of libtool libraries that
+*** depend on shared libraries, but programs linked with such libtool
+*** libraries will work regardless of this problem.  Nevertheless, you
+*** may want to report the problem to your system manager and/or to
+*** bug-libtool@gnu.org
+
+EOF
+	  fi ;;
+	esac
+      fi
+      break
+    fi
+  done
+  IFS="$ac_save_ifs"
+  MAGIC="$ac_save_MAGIC"
+  ;;
+esac])
+MAGIC="$lt_cv_path_MAGIC"
+if test -n "$MAGIC"; then
+  AC_MSG_RESULT($MAGIC)
+else
+  AC_MSG_RESULT(no)
+fi
+])
+
+
+# AC_PATH_MAGIC - find a file program which can recognise a shared library
+AC_DEFUN(AC_PATH_MAGIC,
+[AC_REQUIRE([AC_CHECK_TOOL_PREFIX])dnl
+AC_PATH_TOOL_PREFIX(${ac_tool_prefix}file, /usr/bin:$PATH)
+if test -z "$lt_cv_path_MAGIC"; then
+  if test -n "$ac_tool_prefix"; then
+    AC_PATH_TOOL_PREFIX(file, /usr/bin:$PATH)
+  else
+    MAGIC=:
+  fi
+fi
+])
+
+
 # AC_PROG_LD - find the path to the GNU or non-GNU linker
 AC_DEFUN(AC_PROG_LD,
 [AC_ARG_WITH(gnu-ld,
@@ -898,7 +1024,13 @@ ac_prog=ld
 if test "$ac_cv_prog_gcc" = yes; then
   # Check if gcc -print-prog-name=ld gives a path.
   AC_MSG_CHECKING([for ld used by GCC])
-  ac_prog=`($CC -print-prog-name=ld) 2>&5`
+  case $lt_target in
+  *-*-mingw*)
+    # gcc leaves a trailing carriage return which upsets mingw
+    ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
+  *)
+    ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
+  esac
   case "$ac_prog" in
     # Accept absolute paths.
 changequote(,)dnl
@@ -965,8 +1097,139 @@ if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
 else
   ac_cv_prog_gnu_ld=no
 fi])
+with_gnu_ld=$ac_cv_prog_gnu_ld
 ])
 
+# AC_PROG_LD_RELOAD_FLAG - find reload flag for linker
+#   -- PORTME Some linkers may need a different reload flag.
+AC_DEFUN(AC_PROG_LD_RELOAD_FLAG,
+[AC_CACHE_CHECK([for $LD option to reload object files], lt_cv_ld_reload_flag,
+[lt_cv_ld_reload_flag='-r'])
+reload_flag=$lt_cv_ld_reload_flag
+test -n "$reload_flag" && reload_flag=" $reload_flag"
+])
+
+# AC_DEPLIBS_CHECK_METHOD - how to check for library dependencies
+#  -- PORTME fill in with the dynamic library characteristics
+AC_DEFUN(AC_DEPLIBS_CHECK_METHOD,
+[AC_CACHE_CHECK([how to recognise dependant libraries],
+lt_cv_deplibs_check_method,
+[lt_cv_file_magic_cmd='${MAGIC}'
+lt_cv_file_magic_test_file=
+lt_cv_deplibs_check_method='unknown'
+# Need to set the preceding variable on all platforms that support
+# interlibrary dependencies.
+# 'none' -- dependencies not supported.
+# `unknown' -- same as none, but documents that we really don't know.
+# 'pass_all' -- all dependencies passed with no checks.
+# 'test_compile' -- check by making test program.
+# 'file_magic [regex]' -- check by looking for files in library path
+# which responds to the $file_magic_cmd with a given egrep regex.
+# If you have `file' or equivalent on your system and you're not sure
+# whether `pass_all' will *always* work, you probably want this one.
+
+case "$host_os" in
+aix4* | beos*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+bsdi4*)
+  changequote(,)dnl
+  lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)'
+  changequote([, ])dnl
+  lt_cv_file_magic_test_file=/shlib/libc.so
+  ;;
+
+cygwin* | mingw*)
+  lt_cv_deplibs_check_method='file_magic file format pei*-i386(.*architecture: i386)?'
+  lt_cv_file_magic_cmd='${OBJDUMP} -f'
+  ;;
+
+freebsd*)
+  case "$version_type" in
+  freebsd-elf*)
+    lt_cv_deplibs_check_method=pass_all
+    ;;
+  esac
+  ;;
+
+gnu*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+irix5* | irix6*)
+  case "$host_os" in
+  irix5*)
+    # this will be overridden with pass_all, but let us keep it just in case
+    lt_cv_deplibs_check_method="file_magic ELF 32-bit MSB dynamic lib MIPS - version 1"
+    ;;
+  *)
+    case "$LD" in
+    *-32|*"-32 ") libmagic=32-bit;;
+    *-n32|*"-n32 ") libmagic=N32;;
+    *-64|*"-64 ") libmagic=64-bit;;
+    *) libmagic=never-match;;
+    esac
+    # this will be overridden with pass_all, but let us keep it just in case
+    changequote(,)dnl
+    lt_cv_deplibs_check_method="file_magic ELF ${libmagic} MSB mips-[1234] dynamic lib MIPS - version 1"
+    changequote([, ])dnl
+    ;;
+  esac
+  lt_cv_file_magic_test_file=`echo /lib${libsuff}/libc.so*`
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+# This must be Linux ELF.
+linux-gnu*)
+  case "$host_cpu" in
+  alpha* | i*86 | powerpc* | sparc* )
+    lt_cv_deplibs_check_method=pass_all ;;
+  *)
+    # glibc up to 2.1.1 does not perform some relocations on ARM
+    changequote(,)dnl
+    lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )' ;;
+    changequote([, ])dnl
+  esac
+  lt_cv_file_magic_test_file=`echo /lib/libc.so* /lib/libc-*.so`
+  ;;
+
+osf3* | osf4* | osf5*)
+  # this will be overridden with pass_all, but let us keep it just in case
+  lt_cv_deplibs_check_method='file_magic COFF format alpha shared library'
+  lt_cv_file_magic_test_file=/shlib/libc.so
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+sco3.2v5*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
+solaris*)
+  lt_cv_deplibs_check_method=pass_all
+  lt_cv_file_magic_test_file=/lib/libc.so
+  ;;
+
+sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
+  case "$host_vendor" in
+  ncr)
+    lt_cv_deplibs_check_method=pass_all
+    ;;
+  motorola)
+    changequote(,)dnl
+    lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]'
+    changequote([, ])dnl
+    lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*`
+    ;;
+  esac
+  ;;
+esac
+])
+file_magic_cmd=$lt_cv_file_magic_cmd
+deplibs_check_method=$lt_cv_deplibs_check_method
+])
+
+
 # AC_PROG_NM - find the path to a BSD-compatible name lister
 AC_DEFUN(AC_PROG_NM,
 [AC_MSG_CHECKING([for BSD-compatible nm])
@@ -1034,7 +1297,7 @@ AC_DEFUN(AC_LIBLTDL_CONVENIENCE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
       ac_configure_args="$ac_configure_args --enable-ltdl-convenience" ;;
   esac
   LIBLTDL=ifelse($#,1,$1,['${top_builddir}/libltdl'])/libltdlc.la
-  INCLTDL=ifelse($#,1,-I$1,['-I${top_builddir}/libltdl'])
+  INCLTDL=ifelse($#,1,-I$1,['-I${top_srcdir}/libltdl'])
 ])
 
 # AC_LIBLTDL_INSTALLABLE[(dir)] - sets LIBLTDL to the link flags for
@@ -1058,7 +1321,7 @@ AC_DEFUN(AC_LIBLTDL_INSTALLABLE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
   if test x"$enable_ltdl_install" = x"yes"; then
     ac_configure_args="$ac_configure_args --enable-ltdl-install"
     LIBLTDL=ifelse($#,1,$1,['${top_builddir}/libltdl'])/libltdl.la
-    INCLTDL=ifelse($#,1,-I$1,['-I${top_builddir}/libltdl'])
+    INCLTDL=ifelse($#,1,-I$1,['-I${top_srcdir}/libltdl'])
   else
     ac_configure_args="$ac_configure_args --enable-ltdl-install=no"
     LIBLTDL="-lltdl"
@@ -1089,12 +1352,15 @@ dnl AM_INIT_AUTOMAKE(package,version, [no-define])
 
 AC_DEFUN(AM_INIT_AUTOMAKE,
 [AC_REQUIRE([AC_PROG_INSTALL])
+dnl We require 2.13 because we rely on SHELL being computed by configure.
+AC_PREREQ([2.13])
 PACKAGE=[$1]
 AC_SUBST(PACKAGE)
 VERSION=[$2]
 AC_SUBST(VERSION)
 dnl test to see if srcdir already configured
-if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
+if test "`CDPATH=: && cd $srcdir && pwd`" != "`pwd`" &&
+   test -f $srcdir/config.status; then
   AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
 fi
 ifelse([$3],,
@@ -1102,14 +1368,24 @@ AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
 AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package]))
 AC_REQUIRE([AM_SANITY_CHECK])
 AC_REQUIRE([AC_ARG_PROGRAM])
-dnl FIXME This is truly gross.
-missing_dir=`cd $ac_aux_dir && pwd`
-AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
-AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
-AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir)
-AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)
-AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
-AC_REQUIRE([AC_PROG_MAKE_SET])])
+AM_MISSING_PROG(ACLOCAL, aclocal)
+AM_MISSING_PROG(AUTOCONF, autoconf)
+AM_MISSING_PROG(AUTOMAKE, automake)
+AM_MISSING_PROG(AUTOHEADER, autoheader)
+AM_MISSING_PROG(MAKEINFO, makeinfo)
+AM_MISSING_PROG(AMTAR, tar)
+AM_MISSING_INSTALL_SH
+dnl We need awk for the "check" target.  The system "awk" is bad on
+dnl some platforms.
+AC_REQUIRE([AC_PROG_AWK])
+AC_REQUIRE([AC_PROG_MAKE_SET])
+AC_REQUIRE([AM_DEP_TRACK])
+AC_REQUIRE([AM_SET_DEPDIR])
+ifdef([AC_PROVIDE_AC_PROG_CC], [AM_DEPENDENCIES(CC)], [
+   define([AC_PROG_CC], defn([AC_PROG_CC])[AM_DEPENDENCIES(CC)])])
+ifdef([AC_PROVIDE_AC_PROG_CXX], [AM_DEPENDENCIES(CXX)], [
+   define([AC_PROG_CXX], defn([AC_PROG_CXX])[AM_DEPENDENCIES(CXX)])])
+])
 
 #
 # Check to make sure that the build environment is sane.
@@ -1154,21 +1430,192 @@ fi
 rm -f conftest*
 AC_MSG_RESULT(yes)])
 
-dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY)
-dnl The program must properly implement --version.
-AC_DEFUN(AM_MISSING_PROG,
-[AC_MSG_CHECKING(for working $2)
-# Run test in a subshell; some versions of sh will print an error if
-# an executable is not found, even if stderr is redirected.
-# Redirect stdin to placate older versions of autoconf.  Sigh.
-if ($2 --version) < /dev/null > /dev/null 2>&1; then
-   $1=$2
-   AC_MSG_RESULT(found)
+dnl AM_MISSING_PROG(NAME, PROGRAM)
+AC_DEFUN(AM_MISSING_PROG, [
+AC_REQUIRE([AM_MISSING_HAS_RUN])
+$1=${$1-"${am_missing_run}$2"}
+AC_SUBST($1)])
+
+dnl Like AM_MISSING_PROG, but only looks for install-sh.
+dnl AM_MISSING_INSTALL_SH()
+AC_DEFUN(AM_MISSING_INSTALL_SH, [
+AC_REQUIRE([AM_MISSING_HAS_RUN])
+if test -z "$install_sh"; then
+   install_sh="$ac_aux_dir/install-sh"
+   test -f "$install_sh" || install_sh="$ac_aux_dir/install.sh"
+   test -f "$install_sh" || install_sh="${am_missing_run}${ac_auxdir}/install-sh"
+   dnl FIXME: an evil hack: we remove the SHELL invocation from
+   dnl install_sh because automake adds it back in.  Sigh.
+   install_sh="`echo $install_sh | sed -e 's/\${SHELL}//'`"
+fi
+AC_SUBST(install_sh)])
+
+dnl AM_MISSING_HAS_RUN.
+dnl Define MISSING if not defined so far and test if it supports --run.
+dnl If it does, set am_missing_run to use it, otherwise, to nothing.
+AC_DEFUN([AM_MISSING_HAS_RUN], [
+test x"${MISSING+set}" = xset || \
+  MISSING="\${SHELL} `CDPATH=: && cd $ac_aux_dir && pwd`/missing"
+dnl Use eval to expand $SHELL
+if eval "$MISSING --run :"; then
+  am_missing_run="$MISSING --run "
 else
-   $1="$3/missing $2"
-   AC_MSG_RESULT(missing)
+  am_missing_run=
+  am_backtick='`'
+  AC_MSG_WARN([${am_backtick}missing' script is too old or missing])
 fi
-AC_SUBST($1)])
+])
+
+dnl See how the compiler implements dependency checking.
+dnl Usage:
+dnl AM_DEPENDENCIES(NAME)
+dnl NAME is "CC", "CXX" or "OBJC".
+
+dnl We try a few techniques and use that to set a single cache variable.
+
+AC_DEFUN(AM_DEPENDENCIES,[
+AC_REQUIRE([AM_SET_DEPDIR])
+AC_REQUIRE([AM_OUTPUT_DEPENDENCY_COMMANDS])
+ifelse([$1],CC,[
+AC_REQUIRE([AC_PROG_CC])
+AC_REQUIRE([AC_PROG_CPP])
+depcc="$CC"
+depcpp="$CPP"],[$1],CXX,[
+AC_REQUIRE([AC_PROG_CXX])
+AC_REQUIRE([AC_PROG_CXXCPP])
+depcc="$CXX"
+depcpp="$CXXCPP"],[$1],OBJC,[
+am_cv_OBJC_dependencies_compiler_type=gcc],[
+AC_REQUIRE([AC_PROG_][$1])
+depcc="$[$1]"
+depcpp=""])
+AC_MSG_CHECKING([dependency style of $depcc])
+AC_CACHE_VAL(am_cv_[$1]_dependencies_compiler_type,[
+if test -z "$AMDEP"; then
+  echo '#include "conftest.h"' > conftest.c
+  echo 'int i;' > conftest.h
+
+  am_cv_[$1]_dependencies_compiler_type=none
+  for depmode in `sed -n 's/^#*\([a-zA-Z0-9]*\))$/\1/p' < "$am_depcomp"`; do
+    case "$depmode" in
+    nosideeffect)
+      # after this tag, mechanisms are not by side-effect, so they'll
+      # only be used when explicitly requested
+      if test "x$enable_dependency_tracking" = xyes; then
+	continue
+      else
+	break
+      fi
+      ;;
+    none) break ;;
+    esac
+    if depmode="$depmode" \
+       source=conftest.c object=conftest.o \
+       depfile=conftest.Po tmpdepfile=conftest.TPo \
+       $SHELL $am_depcomp $depcc -c conftest.c 2>/dev/null &&
+       grep conftest.h conftest.Po > /dev/null 2>&1; then
+      am_cv_[$1]_dependencies_compiler_type="$depmode"
+      break
+    fi
+  done
+
+  rm -f conftest.*
+else
+  am_cv_[$1]_dependencies_compiler_type=none
+fi
+])
+AC_MSG_RESULT($am_cv_[$1]_dependencies_compiler_type)
+[$1]DEPMODE="depmode=$am_cv_[$1]_dependencies_compiler_type"
+AC_SUBST([$1]DEPMODE)
+])
+
+dnl Choose a directory name for dependency files.
+dnl This macro is AC_REQUIREd in AM_DEPENDENCIES
+
+AC_DEFUN(AM_SET_DEPDIR,[
+if test -d .deps || mkdir .deps 2> /dev/null || test -d .deps; then
+  DEPDIR=.deps
+else
+  DEPDIR=_deps
+fi
+AC_SUBST(DEPDIR)
+])
+
+AC_DEFUN(AM_DEP_TRACK,[
+AC_ARG_ENABLE(dependency-tracking,
+[  --disable-dependency-tracking Speeds up one-time builds
+  --enable-dependency-tracking  Do not reject slow dependency extractors])
+if test "x$enable_dependency_tracking" = xno; then
+  AMDEP="#"
+else
+  am_depcomp="$ac_aux_dir/depcomp"
+  if test ! -f "$am_depcomp"; then
+    AMDEP="#"
+  else
+    AMDEP=
+  fi
+fi
+AC_SUBST(AMDEP)
+if test -z "$AMDEP"; then
+  AMDEPBACKSLASH='\'
+else
+  AMDEPBACKSLASH=
+fi
+pushdef([subst], defn([AC_SUBST]))
+subst(AMDEPBACKSLASH)
+popdef([subst])
+])
+
+dnl Generate code to set up dependency tracking.
+dnl This macro should only be invoked once -- use via AC_REQUIRE.
+dnl Usage:
+dnl AM_OUTPUT_DEPENDENCY_COMMANDS
+
+dnl
+dnl This code is only required when automatic dependency tracking
+dnl is enabled.  FIXME.  This creates each `.P' file that we will
+dnl need in order to bootstrap the dependency handling code.
+AC_DEFUN(AM_OUTPUT_DEPENDENCY_COMMANDS,[
+AC_OUTPUT_COMMANDS([
+test x"$AMDEP" != x"" ||
+for mf in $CONFIG_FILES; do
+  case "$mf" in
+  Makefile) dirpart=.;;
+  */Makefile) dirpart=`echo "$mf" | sed -e 's|/[^/]*$||'`;;
+  *) continue;;
+  esac
+  grep '^DEP_FILES *= *[^ #]' < "$mf" > /dev/null || continue
+  # Extract the definition of DEP_FILES from the Makefile without
+  # running `make'.
+  DEPDIR=`sed -n -e '/^DEPDIR = / s///p' < "$mf"`
+  test -z "$DEPDIR" && continue
+  # When using ansi2knr, U may be empty or an underscore; expand it
+  U=`sed -n -e '/^U = / s///p' < "$mf"`
+  test -d "$dirpart/$DEPDIR" || mkdir "$dirpart/$DEPDIR"
+  # We invoke sed twice because it is the simplest approach to
+  # changing $(DEPDIR) to its actual value in the expansion.
+  for file in `sed -n -e '
+    /^DEP_FILES = .*\\\\$/ {
+      s/^DEP_FILES = //
+      :loop
+	s/\\\\$//
+	p
+	n
+	/\\\\$/ b loop
+      p
+    }
+    /^DEP_FILES = / s/^DEP_FILES = //p' < "$mf" | \
+       sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g' -e 's/\$U/'"$U"'/g'`; do
+    # Make sure the directory exists.
+    test -f "$dirpart/$file" && continue
+    fdir=`echo "$file" | sed -e 's|/[^/]*$||'`
+    $ac_aux_dir/mkinstalldirs "$dirpart/$fdir" > /dev/null 2>&1
+    # echo "creating $dirpart/$file"
+    echo '# dummy' > "$dirpart/$file"
+  done
+done
+], [AMDEP="$AMDEP"
+ac_aux_dir="$ac_aux_dir"])])
 
 # Like AC_CONFIG_HEADER, but automatically create stamp file.