diff options
Diffstat (limited to 'build-aux')
| -rwxr-xr-x | build-aux/ar-lib | 270 | ||||
| -rwxr-xr-x | build-aux/compile | 10 | ||||
| -rwxr-xr-x | build-aux/depcomp | 455 | ||||
| -rwxr-xr-x | build-aux/install-sh | 14 | ||||
| -rwxr-xr-x | build-aux/missing | 414 | 
5 files changed, 702 insertions, 461 deletions
| diff --git a/build-aux/ar-lib b/build-aux/ar-lib new file mode 100755 index 0000000..fe2301e --- /dev/null +++ b/build-aux/ar-lib @@ -0,0 +1,270 @@ +#! /bin/sh +# Wrapper for Microsoft lib.exe + +me=ar-lib +scriptversion=2012-03-01.08; # UTC + +# Copyright (C) 2010-2013 Free Software Foundation, Inc. +# Written by Peter Rosin <peda@lysator.liu.se>. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2, or (at your option) +# any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program.  If not, see <http://www.gnu.org/licenses/>. + +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that program. + +# This file is maintained in Automake, please report +# bugs to <bug-automake@gnu.org> or send patches to +# <automake-patches@gnu.org>. + + +# func_error message +func_error () +{ +  echo "$me: $1" 1>&2 +  exit 1 +} + +file_conv= + +# func_file_conv build_file +# Convert a $build file to $host form and store it in $file +# Currently only supports Windows hosts. +func_file_conv () +{ +  file=$1 +  case $file in +    / | /[!/]*) # absolute file, and not a UNC file +      if test -z "$file_conv"; then +	# lazily determine how to convert abs files +	case `uname -s` in +	  MINGW*) +	    file_conv=mingw +	    ;; +	  CYGWIN*) +	    file_conv=cygwin +	    ;; +	  *) +	    file_conv=wine +	    ;; +	esac +      fi +      case $file_conv in +	mingw) +	  file=`cmd //C echo "$file " | sed -e 's/"\(.*\) " *$/\1/'` +	  ;; +	cygwin) +	  file=`cygpath -m "$file" || echo "$file"` +	  ;; +	wine) +	  file=`winepath -w "$file" || echo "$file"` +	  ;; +      esac +      ;; +  esac +} + +# func_at_file at_file operation archive +# Iterate over all members in AT_FILE performing OPERATION on ARCHIVE +# for each of them. +# When interpreting the content of the @FILE, do NOT use func_file_conv, +# since the user would need to supply preconverted file names to +# binutils ar, at least for MinGW. +func_at_file () +{ +  operation=$2 +  archive=$3 +  at_file_contents=`cat "$1"` +  eval set x "$at_file_contents" +  shift + +  for member +  do +    $AR -NOLOGO $operation:"$member" "$archive" || exit $? +  done +} + +case $1 in +  '') +     func_error "no command.  Try '$0 --help' for more information." +     ;; +  -h | --h*) +    cat <<EOF +Usage: $me [--help] [--version] PROGRAM ACTION ARCHIVE [MEMBER...] + +Members may be specified in a file named with @FILE. +EOF +    exit $? +    ;; +  -v | --v*) +    echo "$me, version $scriptversion" +    exit $? +    ;; +esac + +if test $# -lt 3; then +  func_error "you must specify a program, an action and an archive" +fi + +AR=$1 +shift +while : +do +  if test $# -lt 2; then +    func_error "you must specify a program, an action and an archive" +  fi +  case $1 in +    -lib | -LIB \ +    | -ltcg | -LTCG \ +    | -machine* | -MACHINE* \ +    | -subsystem* | -SUBSYSTEM* \ +    | -verbose | -VERBOSE \ +    | -wx* | -WX* ) +      AR="$AR $1" +      shift +      ;; +    *) +      action=$1 +      shift +      break +      ;; +  esac +done +orig_archive=$1 +shift +func_file_conv "$orig_archive" +archive=$file + +# strip leading dash in $action +action=${action#-} + +delete= +extract= +list= +quick= +replace= +index= +create= + +while test -n "$action" +do +  case $action in +    d*) delete=yes  ;; +    x*) extract=yes ;; +    t*) list=yes    ;; +    q*) quick=yes   ;; +    r*) replace=yes ;; +    s*) index=yes   ;; +    S*)             ;; # the index is always updated implicitly +    c*) create=yes  ;; +    u*)             ;; # TODO: don't ignore the update modifier +    v*)             ;; # TODO: don't ignore the verbose modifier +    *) +      func_error "unknown action specified" +      ;; +  esac +  action=${action#?} +done + +case $delete$extract$list$quick$replace,$index in +  yes,* | ,yes) +    ;; +  yesyes*) +    func_error "more than one action specified" +    ;; +  *) +    func_error "no action specified" +    ;; +esac + +if test -n "$delete"; then +  if test ! -f "$orig_archive"; then +    func_error "archive not found" +  fi +  for member +  do +    case $1 in +      @*) +        func_at_file "${1#@}" -REMOVE "$archive" +        ;; +      *) +        func_file_conv "$1" +        $AR -NOLOGO -REMOVE:"$file" "$archive" || exit $? +        ;; +    esac +  done + +elif test -n "$extract"; then +  if test ! -f "$orig_archive"; then +    func_error "archive not found" +  fi +  if test $# -gt 0; then +    for member +    do +      case $1 in +        @*) +          func_at_file "${1#@}" -EXTRACT "$archive" +          ;; +        *) +          func_file_conv "$1" +          $AR -NOLOGO -EXTRACT:"$file" "$archive" || exit $? +          ;; +      esac +    done +  else +    $AR -NOLOGO -LIST "$archive" | sed -e 's/\\/\\\\/g' | while read member +    do +      $AR -NOLOGO -EXTRACT:"$member" "$archive" || exit $? +    done +  fi + +elif test -n "$quick$replace"; then +  if test ! -f "$orig_archive"; then +    if test -z "$create"; then +      echo "$me: creating $orig_archive" +    fi +    orig_archive= +  else +    orig_archive=$archive +  fi + +  for member +  do +    case $1 in +    @*) +      func_file_conv "${1#@}" +      set x "$@" "@$file" +      ;; +    *) +      func_file_conv "$1" +      set x "$@" "$file" +      ;; +    esac +    shift +    shift +  done + +  if test -n "$orig_archive"; then +    $AR -NOLOGO -OUT:"$archive" "$orig_archive" "$@" || exit $? +  else +    $AR -NOLOGO -OUT:"$archive" "$@" || exit $? +  fi + +elif test -n "$list"; then +  if test ! -f "$orig_archive"; then +    func_error "archive not found" +  fi +  $AR -NOLOGO -LIST "$archive" || exit $? +fi diff --git a/build-aux/compile b/build-aux/compile index 862a14e..531136b 100755 --- a/build-aux/compile +++ b/build-aux/compile @@ -1,10 +1,9 @@  #! /bin/sh  # Wrapper for compilers which do not understand '-c -o'. -scriptversion=2012-03-05.13; # UTC +scriptversion=2012-10-14.11; # UTC -# Copyright (C) 1999, 2000, 2003, 2004, 2005, 2009, 2010, 2012 Free -# Software Foundation, Inc. +# Copyright (C) 1999-2013 Free Software Foundation, Inc.  # Written by Tom Tromey <tromey@cygnus.com>.  #  # This program is free software; you can redistribute it and/or modify @@ -113,6 +112,11 @@ func_cl_dashl ()        lib=$dir/$lib.lib        break      fi +    if test -f "$dir/lib$lib.a"; then +      found=yes +      lib=$dir/lib$lib.a +      break +    fi    done    IFS=$save_IFS diff --git a/build-aux/depcomp b/build-aux/depcomp index 25a39e6..4ebd5b3 100755 --- a/build-aux/depcomp +++ b/build-aux/depcomp @@ -1,10 +1,9 @@  #! /bin/sh  # depcomp - compile a program generating dependencies as side-effects -scriptversion=2012-03-27.16; # UTC +scriptversion=2013-05-30.07; # UTC -# Copyright (C) 1999, 2000, 2003, 2004, 2005, 2006, 2007, 2009, 2010, -# 2011, 2012 Free Software Foundation, Inc. +# Copyright (C) 1999-2013 Free Software Foundation, Inc.  # This program is free software; you can redistribute it and/or modify  # it under the terms of the GNU General Public License as published by @@ -28,9 +27,9 @@ scriptversion=2012-03-27.16; # UTC  case $1 in    '') -     echo "$0: No command.  Try '$0 --help' for more information." 1>&2 -     exit 1; -     ;; +    echo "$0: No command.  Try '$0 --help' for more information." 1>&2 +    exit 1; +    ;;    -h | --h*)      cat <<\EOF  Usage: depcomp [--help] [--version] PROGRAM [ARGS] @@ -57,11 +56,65 @@ EOF      ;;  esac +# Get the directory component of the given path, and save it in the +# global variables '$dir'.  Note that this directory component will +# be either empty or ending with a '/' character.  This is deliberate. +set_dir_from () +{ +  case $1 in +    */*) dir=`echo "$1" | sed -e 's|/[^/]*$|/|'`;; +      *) dir=;; +  esac +} + +# Get the suffix-stripped basename of the given path, and save it the +# global variable '$base'. +set_base_from () +{ +  base=`echo "$1" | sed -e 's|^.*/||' -e 's/\.[^.]*$//'` +} + +# If no dependency file was actually created by the compiler invocation, +# we still have to create a dummy depfile, to avoid errors with the +# Makefile "include basename.Plo" scheme. +make_dummy_depfile () +{ +  echo "#dummy" > "$depfile" +} + +# Factor out some common post-processing of the generated depfile. +# Requires the auxiliary global variable '$tmpdepfile' to be set. +aix_post_process_depfile () +{ +  # If the compiler actually managed to produce a dependency file, +  # post-process it. +  if test -f "$tmpdepfile"; then +    # Each line is of the form 'foo.o: dependency.h'. +    # Do two passes, one to just change these to +    #   $object: dependency.h +    # and one to simply output +    #   dependency.h: +    # which is needed to avoid the deleted-header problem. +    { sed -e "s,^.*\.[$lower]*:,$object:," < "$tmpdepfile" +      sed -e "s,^.*\.[$lower]*:[$tab ]*,," -e 's,$,:,' < "$tmpdepfile" +    } > "$depfile" +    rm -f "$tmpdepfile" +  else +    make_dummy_depfile +  fi +} +  # A tabulation character.  tab='	'  # A newline character.  nl='  ' +# Character ranges might be problematic outside the C locale. +# These definitions help. +upper=ABCDEFGHIJKLMNOPQRSTUVWXYZ +lower=abcdefghijklmnopqrstuvwxyz +digits=0123456789 +alpha=${upper}${lower}  if test -z "$depmode" || test -z "$source" || test -z "$object"; then    echo "depcomp: Variables source, object and depmode must be set" 1>&2 @@ -75,6 +128,9 @@ tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}  rm -f "$tmpdepfile" +# Avoid interferences from the environment. +gccflag= dashmflag= +  # Some modes work just like other modes, but use different flags.  We  # parameterize here, but still list the modes in the big case below,  # to make depend.m4 easier to write.  Note that we *cannot* use a case @@ -86,32 +142,32 @@ if test "$depmode" = hp; then  fi  if test "$depmode" = dashXmstdout; then -   # This is just like dashmstdout with a different argument. -   dashmflag=-xM -   depmode=dashmstdout +  # This is just like dashmstdout with a different argument. +  dashmflag=-xM +  depmode=dashmstdout  fi  cygpath_u="cygpath -u -f -"  if test "$depmode" = msvcmsys; then -   # This is just like msvisualcpp but w/o cygpath translation. -   # Just convert the backslash-escaped backslashes to single forward -   # slashes to satisfy depend.m4 -   cygpath_u='sed s,\\\\,/,g' -   depmode=msvisualcpp +  # This is just like msvisualcpp but w/o cygpath translation. +  # Just convert the backslash-escaped backslashes to single forward +  # slashes to satisfy depend.m4 +  cygpath_u='sed s,\\\\,/,g' +  depmode=msvisualcpp  fi  if test "$depmode" = msvc7msys; then -   # This is just like msvc7 but w/o cygpath translation. -   # Just convert the backslash-escaped backslashes to single forward -   # slashes to satisfy depend.m4 -   cygpath_u='sed s,\\\\,/,g' -   depmode=msvc7 +  # This is just like msvc7 but w/o cygpath translation. +  # Just convert the backslash-escaped backslashes to single forward +  # slashes to satisfy depend.m4 +  cygpath_u='sed s,\\\\,/,g' +  depmode=msvc7  fi  if test "$depmode" = xlc; then -   # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency informations. -   gccflag=-qmakedep=gcc,-MF -   depmode=gcc +  # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information. +  gccflag=-qmakedep=gcc,-MF +  depmode=gcc  fi  case "$depmode" in @@ -134,8 +190,7 @@ gcc3)    done    "$@"    stat=$? -  if test $stat -eq 0; then : -  else +  if test $stat -ne 0; then      rm -f "$tmpdepfile"      exit $stat    fi @@ -143,13 +198,17 @@ gcc3)    ;;  gcc) +## Note that this doesn't just cater to obsosete pre-3.x GCC compilers. +## but also to in-use compilers like IMB xlc/xlC and the HP C compiler. +## (see the conditional assignment to $gccflag above).  ## There are various ways to get dependency output from gcc.  Here's  ## why we pick this rather obscure method:  ## - Don't want to use -MD because we'd like the dependencies to end  ##   up in a subdir.  Having to rename by hand is ugly.  ##   (We might end up doing this anyway to support other compilers.)  ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like -##   -MM, not -M (despite what the docs say). +##   -MM, not -M (despite what the docs say).  Also, it might not be +##   supported by the other compilers which use the 'gcc' depmode.  ## - Using -M directly means running the compiler twice (even worse  ##   than renaming).    if test -z "$gccflag"; then @@ -157,15 +216,14 @@ gcc)    fi    "$@" -Wp,"$gccflag$tmpdepfile"    stat=$? -  if test $stat -eq 0; then : -  else +  if test $stat -ne 0; then      rm -f "$tmpdepfile"      exit $stat    fi    rm -f "$depfile"    echo "$object : \\" > "$depfile" -  alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz -## The second -e expression handles DOS-style file names with drive letters. +  # The second -e expression handles DOS-style file names with drive +  # letters.    sed -e 's/^[^:]*: / /' \        -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"  ## This next piece of magic avoids the "deleted header file" problem. @@ -174,15 +232,15 @@ gcc)  ## typically no way to rebuild the header).  We avoid this by adding  ## dummy dependencies for each header file.  Too bad gcc doesn't do  ## this for us directly. -  tr ' ' "$nl" < "$tmpdepfile" |  ## Some versions of gcc put a space before the ':'.  On the theory  ## that the space means something, we add a space to the output as  ## well.  hp depmode also adds that space, but also prefixes the VPATH  ## to the object.  Take care to not repeat it in the output.  ## Some versions of the HPUX 10.20 sed can't process this invocation  ## correctly.  Breaking it into two sed invocations is a workaround. -    sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \ -      | sed -e 's/$/ :/' >> "$depfile" +  tr ' ' "$nl" < "$tmpdepfile" \ +    | sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \ +    | sed -e 's/$/ :/' >> "$depfile"    rm -f "$tmpdepfile"    ;; @@ -200,8 +258,7 @@ sgi)      "$@" -MDupdate "$tmpdepfile"    fi    stat=$? -  if test $stat -eq 0; then : -  else +  if test $stat -ne 0; then      rm -f "$tmpdepfile"      exit $stat    fi @@ -209,7 +266,6 @@ sgi)    if test -f "$tmpdepfile"; then  # yes, the sourcefile depend on other files      echo "$object : \\" > "$depfile" -      # Clip off the initial element (the dependent).  Don't try to be      # clever and replace this with sed code, as IRIX sed won't handle      # lines with more than a fixed number of characters (4096 in @@ -217,19 +273,15 @@ sgi)      # the IRIX cc adds comments like '#:fec' to the end of the      # dependency line.      tr ' ' "$nl" < "$tmpdepfile" \ -    | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \ -    tr "$nl" ' ' >> "$depfile" +      | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' \ +      | tr "$nl" ' ' >> "$depfile"      echo >> "$depfile" -      # The second pass generates a dummy entry for each header file.      tr ' ' "$nl" < "$tmpdepfile" \ -   | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \ -   >> "$depfile" +      | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \ +      >> "$depfile"    else -    # The sourcefile does not contain any dependencies, so just -    # store a dummy comment line, to avoid errors with the Makefile -    # "include basename.Plo" scheme. -    echo "#dummy" > "$depfile" +    make_dummy_depfile    fi    rm -f "$tmpdepfile"    ;; @@ -247,9 +299,8 @@ aix)    # current directory.  Also, the AIX compiler puts '$object:' at the    # start of each line; $object doesn't have directory information.    # Version 6 uses the directory in both cases. -  dir=`echo "$object" | sed -e 's|/[^/]*$|/|'` -  test "x$dir" = "x$object" && dir= -  base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'` +  set_dir_from "$object" +  set_base_from "$object"    if test "$libtool" = yes; then      tmpdepfile1=$dir$base.u      tmpdepfile2=$base.u @@ -262,9 +313,7 @@ aix)      "$@" -M    fi    stat=$? - -  if test $stat -eq 0; then : -  else +  if test $stat -ne 0; then      rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"      exit $stat    fi @@ -273,65 +322,113 @@ aix)    do      test -f "$tmpdepfile" && break    done -  if test -f "$tmpdepfile"; then -    # Each line is of the form 'foo.o: dependent.h'. -    # Do two passes, one to just change these to -    # '$object: dependent.h' and one to simply 'dependent.h:'. -    sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile" -    sed -e 's,^.*\.[a-z]*:['"$tab"' ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile" -  else -    # The sourcefile does not contain any dependencies, so just -    # store a dummy comment line, to avoid errors with the Makefile -    # "include basename.Plo" scheme. -    echo "#dummy" > "$depfile" +  aix_post_process_depfile +  ;; + +tcc) +  # tcc (Tiny C Compiler) understand '-MD -MF file' since version 0.9.26 +  # FIXME: That version still under development at the moment of writing. +  #        Make that this statement remains true also for stable, released +  #        versions. +  # It will wrap lines (doesn't matter whether long or short) with a +  # trailing '\', as in: +  # +  #   foo.o : \ +  #    foo.c \ +  #    foo.h \ +  # +  # It will put a trailing '\' even on the last line, and will use leading +  # spaces rather than leading tabs (at least since its commit 0394caf7 +  # "Emit spaces for -MD"). +  "$@" -MD -MF "$tmpdepfile" +  stat=$? +  if test $stat -ne 0; then +    rm -f "$tmpdepfile" +    exit $stat    fi +  rm -f "$depfile" +  # Each non-empty line is of the form 'foo.o : \' or ' dep.h \'. +  # We have to change lines of the first kind to '$object: \'. +  sed -e "s|.*:|$object :|" < "$tmpdepfile" > "$depfile" +  # And for each line of the second kind, we have to emit a 'dep.h:' +  # dummy dependency, to avoid the deleted-header problem. +  sed -n -e 's|^  *\(.*\) *\\$|\1:|p' < "$tmpdepfile" >> "$depfile"    rm -f "$tmpdepfile"    ;; -icc) -  # Intel's C compiler anf tcc (Tiny C Compiler) understand '-MD -MF file'. -  # However on -  #    $CC -MD -MF foo.d -c -o sub/foo.o sub/foo.c -  # ICC 7.0 will fill foo.d with something like -  #    foo.o: sub/foo.c -  #    foo.o: sub/foo.h -  # which is wrong.  We want -  #    sub/foo.o: sub/foo.c -  #    sub/foo.o: sub/foo.h -  #    sub/foo.c: -  #    sub/foo.h: -  # ICC 7.1 will output +## The order of this option in the case statement is important, since the +## shell code in configure will try each of these formats in the order +## listed in this file.  A plain '-MD' option would be understood by many +## compilers, so we must ensure this comes after the gcc and icc options. +pgcc) +  # Portland's C compiler understands '-MD'. +  # Will always output deps to 'file.d' where file is the root name of the +  # source file under compilation, even if file resides in a subdirectory. +  # The object file name does not affect the name of the '.d' file. +  # pgcc 10.2 will output    #    foo.o: sub/foo.c sub/foo.h -  # and will wrap long lines using '\': +  # and will wrap long lines using '\' :    #    foo.o: sub/foo.c ... \    #     sub/foo.h ... \    #     ... -  # tcc 0.9.26 (FIXME still under development at the moment of writing) -  # will emit a similar output, but also prepend the continuation lines -  # with horizontal tabulation characters. -  "$@" -MD -MF "$tmpdepfile" -  stat=$? -  if test $stat -eq 0; then : -  else +  set_dir_from "$object" +  # Use the source, not the object, to determine the base name, since +  # that's sadly what pgcc will do too. +  set_base_from "$source" +  tmpdepfile=$base.d + +  # For projects that build the same source file twice into different object +  # files, the pgcc approach of using the *source* file root name can cause +  # problems in parallel builds.  Use a locking strategy to avoid stomping on +  # the same $tmpdepfile. +  lockdir=$base.d-lock +  trap " +    echo '$0: caught signal, cleaning up...' >&2 +    rmdir '$lockdir' +    exit 1 +  " 1 2 13 15 +  numtries=100 +  i=$numtries +  while test $i -gt 0; do +    # mkdir is a portable test-and-set. +    if mkdir "$lockdir" 2>/dev/null; then +      # This process acquired the lock. +      "$@" -MD +      stat=$? +      # Release the lock. +      rmdir "$lockdir" +      break +    else +      # If the lock is being held by a different process, wait +      # until the winning process is done or we timeout. +      while test -d "$lockdir" && test $i -gt 0; do +        sleep 1 +        i=`expr $i - 1` +      done +    fi +    i=`expr $i - 1` +  done +  trap - 1 2 13 15 +  if test $i -le 0; then +    echo "$0: failed to acquire lock after $numtries attempts" >&2 +    echo "$0: check lockdir '$lockdir'" >&2 +    exit 1 +  fi + +  if test $stat -ne 0; then      rm -f "$tmpdepfile"      exit $stat    fi    rm -f "$depfile" -  # Each line is of the form 'foo.o: dependent.h', -  # or 'foo.o: dep1.h dep2.h \', or ' dep3.h dep4.h \'. +  # Each line is of the form `foo.o: dependent.h', +  # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'.    # Do two passes, one to just change these to -  # '$object: dependent.h' and one to simply 'dependent.h:'. -  sed -e "s/^[ $tab][ $tab]*/  /" -e "s,^[^:]*:,$object :," \ -    < "$tmpdepfile" > "$depfile" -  sed ' -    s/[ '"$tab"'][ '"$tab"']*/ /g -    s/^ *// -    s/ *\\*$// -    s/^[^:]*: *// -    /^$/d -    /:$/d -    s/$/ :/ -  ' < "$tmpdepfile" >> "$depfile" +  # `$object: dependent.h' and one to simply `dependent.h:'. +  sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile" +  # Some versions of the HPUX 10.20 sed can't process this invocation +  # correctly.  Breaking it into two sed invocations is a workaround. +  sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" \ +    | sed -e 's/$/ :/' >> "$depfile"    rm -f "$tmpdepfile"    ;; @@ -342,9 +439,8 @@ hp2)    # 'foo.d', which lands next to the object file, wherever that    # happens to be.    # Much of this is similar to the tru64 case; see comments there. -  dir=`echo "$object" | sed -e 's|/[^/]*$|/|'` -  test "x$dir" = "x$object" && dir= -  base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'` +  set_dir_from  "$object" +  set_base_from "$object"    if test "$libtool" = yes; then      tmpdepfile1=$dir$base.d      tmpdepfile2=$dir.libs/$base.d @@ -355,8 +451,7 @@ hp2)      "$@" +Maked    fi    stat=$? -  if test $stat -eq 0; then : -  else +  if test $stat -ne 0; then       rm -f "$tmpdepfile1" "$tmpdepfile2"       exit $stat    fi @@ -366,76 +461,61 @@ hp2)      test -f "$tmpdepfile" && break    done    if test -f "$tmpdepfile"; then -    sed -e "s,^.*\.[a-z]*:,$object:," "$tmpdepfile" > "$depfile" +    sed -e "s,^.*\.[$lower]*:,$object:," "$tmpdepfile" > "$depfile"      # Add 'dependent.h:' lines.      sed -ne '2,${ -	       s/^ *// -	       s/ \\*$// -	       s/$/:/ -	       p -	     }' "$tmpdepfile" >> "$depfile" +               s/^ *// +               s/ \\*$// +               s/$/:/ +               p +             }' "$tmpdepfile" >> "$depfile"    else -    echo "#dummy" > "$depfile" +    make_dummy_depfile    fi    rm -f "$tmpdepfile" "$tmpdepfile2"    ;;  tru64) -   # The Tru64 compiler uses -MD to generate dependencies as a side -   # effect.  'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'. -   # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put -   # dependencies in 'foo.d' instead, so we check for that too. -   # Subdirectories are respected. -   dir=`echo "$object" | sed -e 's|/[^/]*$|/|'` -   test "x$dir" = "x$object" && dir= -   base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'` - -   if test "$libtool" = yes; then -      # With Tru64 cc, shared objects can also be used to make a -      # static library.  This mechanism is used in libtool 1.4 series to -      # handle both shared and static libraries in a single compilation. -      # With libtool 1.4, dependencies were output in $dir.libs/$base.lo.d. -      # -      # With libtool 1.5 this exception was removed, and libtool now -      # generates 2 separate objects for the 2 libraries.  These two -      # compilations output dependencies in $dir.libs/$base.o.d and -      # in $dir$base.o.d.  We have to check for both files, because -      # one of the two compilations can be disabled.  We should prefer -      # $dir$base.o.d over $dir.libs/$base.o.d because the latter is -      # automatically cleaned when .libs/ is deleted, while ignoring -      # the former would cause a distcleancheck panic. -      tmpdepfile1=$dir.libs/$base.lo.d   # libtool 1.4 -      tmpdepfile2=$dir$base.o.d          # libtool 1.5 -      tmpdepfile3=$dir.libs/$base.o.d    # libtool 1.5 -      tmpdepfile4=$dir.libs/$base.d      # Compaq CCC V6.2-504 -      "$@" -Wc,-MD -   else -      tmpdepfile1=$dir$base.o.d -      tmpdepfile2=$dir$base.d -      tmpdepfile3=$dir$base.d -      tmpdepfile4=$dir$base.d -      "$@" -MD -   fi - -   stat=$? -   if test $stat -eq 0; then : -   else -      rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4" -      exit $stat -   fi - -   for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4" -   do -     test -f "$tmpdepfile" && break -   done -   if test -f "$tmpdepfile"; then -      sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile" -      sed -e 's,^.*\.[a-z]*:['"$tab"' ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile" -   else -      echo "#dummy" > "$depfile" -   fi -   rm -f "$tmpdepfile" -   ;; +  # The Tru64 compiler uses -MD to generate dependencies as a side +  # effect.  'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'. +  # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put +  # dependencies in 'foo.d' instead, so we check for that too. +  # Subdirectories are respected. +  set_dir_from  "$object" +  set_base_from "$object" + +  if test "$libtool" = yes; then +    # Libtool generates 2 separate objects for the 2 libraries.  These +    # two compilations output dependencies in $dir.libs/$base.o.d and +    # in $dir$base.o.d.  We have to check for both files, because +    # one of the two compilations can be disabled.  We should prefer +    # $dir$base.o.d over $dir.libs/$base.o.d because the latter is +    # automatically cleaned when .libs/ is deleted, while ignoring +    # the former would cause a distcleancheck panic. +    tmpdepfile1=$dir$base.o.d          # libtool 1.5 +    tmpdepfile2=$dir.libs/$base.o.d    # Likewise. +    tmpdepfile3=$dir.libs/$base.d      # Compaq CCC V6.2-504 +    "$@" -Wc,-MD +  else +    tmpdepfile1=$dir$base.d +    tmpdepfile2=$dir$base.d +    tmpdepfile3=$dir$base.d +    "$@" -MD +  fi + +  stat=$? +  if test $stat -ne 0; then +    rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" +    exit $stat +  fi + +  for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" +  do +    test -f "$tmpdepfile" && break +  done +  # Same post-processing that is required for AIX mode. +  aix_post_process_depfile +  ;;  msvc7)    if test "$libtool" = yes; then @@ -446,8 +526,7 @@ msvc7)    "$@" $showIncludes > "$tmpdepfile"    stat=$?    grep -v '^Note: including file: ' "$tmpdepfile" -  if test "$stat" = 0; then : -  else +  if test $stat -ne 0; then      rm -f "$tmpdepfile"      exit $stat    fi @@ -473,6 +552,7 @@ $ {    G    p  }' >> "$depfile" +  echo >> "$depfile" # make sure the fragment doesn't end with a backslash    rm -f "$tmpdepfile"    ;; @@ -524,13 +604,14 @@ dashmstdout)    # in the target name.  This is to cope with DOS-style filenames:    # a dependency such as 'c:/foo/bar' could be seen as target 'c' otherwise.    "$@" $dashmflag | -    sed 's:^['"$tab"' ]*[^:'"$tab"' ][^:][^:]*\:['"$tab"' ]*:'"$object"'\: :' > "$tmpdepfile" +    sed "s|^[$tab ]*[^:$tab ][^:][^:]*:[$tab ]*|$object: |" > "$tmpdepfile"    rm -f "$depfile"    cat < "$tmpdepfile" > "$depfile" -  tr ' ' "$nl" < "$tmpdepfile" | \ -## Some versions of the HPUX 10.20 sed can't process this invocation -## correctly.  Breaking it into two sed invocations is a workaround. -    sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" +  # Some versions of the HPUX 10.20 sed can't process this sed invocation +  # correctly.  Breaking it into two sed invocations is a workaround. +  tr ' ' "$nl" < "$tmpdepfile" \ +    | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \ +    | sed -e 's/$/ :/' >> "$depfile"    rm -f "$tmpdepfile"    ;; @@ -583,10 +664,12 @@ makedepend)    # makedepend may prepend the VPATH from the source file name to the object.    # No need to regex-escape $object, excess matching of '.' is harmless.    sed "s|^.*\($object *:\)|\1|" "$tmpdepfile" > "$depfile" -  sed '1,2d' "$tmpdepfile" | tr ' ' "$nl" | \ -## Some versions of the HPUX 10.20 sed can't process this invocation -## correctly.  Breaking it into two sed invocations is a workaround. -    sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" +  # Some versions of the HPUX 10.20 sed can't process the last invocation +  # correctly.  Breaking it into two sed invocations is a workaround. +  sed '1,2d' "$tmpdepfile" \ +    | tr ' ' "$nl" \ +    | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \ +    | sed -e 's/$/ :/' >> "$depfile"    rm -f "$tmpdepfile" "$tmpdepfile".bak    ;; @@ -622,10 +705,10 @@ cpp)      esac    done -  "$@" -E | -    sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \ -       -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' | -    sed '$ s: \\$::' > "$tmpdepfile" +  "$@" -E \ +    | sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \ +             -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \ +    | sed '$ s: \\$::' > "$tmpdepfile"    rm -f "$depfile"    echo "$object : \\" > "$depfile"    cat < "$tmpdepfile" >> "$depfile" @@ -657,15 +740,15 @@ msvisualcpp)        shift        ;;      "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI") -	set fnord "$@" -	shift -	shift -	;; +        set fnord "$@" +        shift +        shift +        ;;      *) -	set fnord "$@" "$arg" -	shift -	shift -	;; +        set fnord "$@" "$arg" +        shift +        shift +        ;;      esac    done    "$@" -E 2>/dev/null | diff --git a/build-aux/install-sh b/build-aux/install-sh index a9244eb..377bb86 100755 --- a/build-aux/install-sh +++ b/build-aux/install-sh @@ -1,7 +1,7 @@  #!/bin/sh  # install - install a program, script, or datafile -scriptversion=2011-01-19.21; # UTC +scriptversion=2011-11-20.07; # UTC  # This originates from X11R5 (mit/util/scripts/install.sh), which was  # later released in X11R6 (xc/config/util/install.sh) with the @@ -35,7 +35,7 @@ scriptversion=2011-01-19.21; # UTC  # FSF changes to this file are in the public domain.  #  # Calling this script install-sh is preferred over install.sh, to prevent -# `make' implicit rules from creating a file called install from it +# 'make' implicit rules from creating a file called install from it  # when there is no Makefile.  #  # This script is compatible with the BSD install script, but was written @@ -156,7 +156,7 @@ while test $# -ne 0; do      -s) stripcmd=$stripprog;;      -t) dst_arg=$2 -	# Protect names problematic for `test' and other utilities. +	# Protect names problematic for 'test' and other utilities.  	case $dst_arg in  	  -* | [=\(\)!]) dst_arg=./$dst_arg;;  	esac @@ -190,7 +190,7 @@ if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then      fi      shift # arg      dst_arg=$arg -    # Protect names problematic for `test' and other utilities. +    # Protect names problematic for 'test' and other utilities.      case $dst_arg in        -* | [=\(\)!]) dst_arg=./$dst_arg;;      esac @@ -202,7 +202,7 @@ if test $# -eq 0; then      echo "$0: no input file specified." >&2      exit 1    fi -  # It's OK to call `install-sh -d' without argument. +  # It's OK to call 'install-sh -d' without argument.    # This can happen when creating conditional directories.    exit 0  fi @@ -240,7 +240,7 @@ fi  for src  do -  # Protect names problematic for `test' and other utilities. +  # Protect names problematic for 'test' and other utilities.    case $src in      -* | [=\(\)!]) src=./$src;;    esac @@ -354,7 +354,7 @@ do  	      if test -z "$dir_arg" || {  		   # Check for POSIX incompatibilities with -m.  		   # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or -		   # other-writeable bit of parent directory when it shouldn't. +		   # other-writable bit of parent directory when it shouldn't.  		   # FreeBSD 6.1 mkdir -m -p sets mode of existing directory.  		   ls_ld_tmpdir=`ls -ld "$tmpdir"`  		   case $ls_ld_tmpdir in diff --git a/build-aux/missing b/build-aux/missing index 86a8fc3..db98974 100755 --- a/build-aux/missing +++ b/build-aux/missing @@ -1,11 +1,10 @@  #! /bin/sh -# Common stub for a few missing GNU programs while installing. +# Common wrapper for a few potentially missing GNU programs. -scriptversion=2012-01-06.13; # UTC +scriptversion=2013-10-28.13; # UTC -# Copyright (C) 1996, 1997, 1999, 2000, 2002, 2003, 2004, 2005, 2006, -# 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc. -# Originally by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996. +# Copyright (C) 1996-2013 Free Software Foundation, Inc. +# Originally written by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.  # This program is free software; you can redistribute it and/or modify  # it under the terms of the GNU General Public License as published by @@ -26,68 +25,40 @@ scriptversion=2012-01-06.13; # UTC  # the same distribution terms that you use for the rest of that program.  if test $# -eq 0; then -  echo 1>&2 "Try \`$0 --help' for more information" +  echo 1>&2 "Try '$0 --help' for more information"    exit 1  fi -run=: -sed_output='s/.* --output[ =]\([^ ]*\).*/\1/p' -sed_minuso='s/.* -o \([^ ]*\).*/\1/p' - -# In the cases where this matters, `missing' is being run in the -# srcdir already. -if test -f configure.ac; then -  configure_ac=configure.ac -else -  configure_ac=configure.in -fi +case $1 in -msg="missing on your system" +  --is-lightweight) +    # Used by our autoconf macros to check whether the available missing +    # script is modern enough. +    exit 0 +    ;; -case $1 in ---run) -  # Try to run requested program, and just exit if it succeeds. -  run= -  shift -  "$@" && exit 0 -  # Exit code 63 means version mismatch.  This often happens -  # when the user try to use an ancient version of a tool on -  # a file that requires a minimum version.  In this case we -  # we should proceed has if the program had been absent, or -  # if --run hadn't been passed. -  if test $? = 63; then -    run=: -    msg="probably too old" -  fi -  ;; +  --run) +    # Back-compat with the calling convention used by older automake. +    shift +    ;;    -h|--h|--he|--hel|--help)      echo "\  $0 [OPTION]... PROGRAM [ARGUMENT]... -Handle \`PROGRAM [ARGUMENT]...' for when PROGRAM is missing, or return an -error status if there is no known handling for PROGRAM. +Run 'PROGRAM [ARGUMENT]...', returning a proper advice when this fails due +to PROGRAM being missing or too old.  Options:    -h, --help      display this help and exit    -v, --version   output version information and exit -  --run           try to run the given command, and emulate it if it fails  Supported PROGRAM values: -  aclocal      touch file \`aclocal.m4' -  autoconf     touch file \`configure' -  autoheader   touch file \`config.h.in' -  autom4te     touch the output file, or create a stub one -  automake     touch all \`Makefile.in' files -  bison        create \`y.tab.[ch]', if possible, from existing .[ch] -  flex         create \`lex.yy.c', if possible, from existing .c -  help2man     touch the output file -  lex          create \`lex.yy.c', if possible, from existing .c -  makeinfo     touch the output file -  yacc         create \`y.tab.[ch]', if possible, from existing .[ch] +  aclocal   autoconf  autoheader   autom4te  automake  makeinfo +  bison     yacc      flex         lex       help2man -Version suffixes to PROGRAM as well as the prefixes \`gnu-', \`gnu', and -\`g' are ignored when checking the name. +Version suffixes to PROGRAM as well as the prefixes 'gnu-', 'gnu', and +'g' are ignored when checking the name.  Send bug reports to <bug-automake@gnu.org>."      exit $? @@ -99,228 +70,141 @@ Send bug reports to <bug-automake@gnu.org>."      ;;    -*) -    echo 1>&2 "$0: Unknown \`$1' option" -    echo 1>&2 "Try \`$0 --help' for more information" +    echo 1>&2 "$0: unknown '$1' option" +    echo 1>&2 "Try '$0 --help' for more information"      exit 1      ;;  esac -# normalize program name to check for. -program=`echo "$1" | sed ' -  s/^gnu-//; t -  s/^gnu//; t -  s/^g//; t'` - -# Now exit if we have it, but it failed.  Also exit now if we -# don't have it and --version was passed (most likely to detect -# the program).  This is about non-GNU programs, so use $1 not -# $program. -case $1 in -  lex*|yacc*) -    # Not GNU programs, they don't have --version. -    ;; - -  *) -    if test -z "$run" && ($1 --version) > /dev/null 2>&1; then -       # We have it, but it failed. -       exit 1 -    elif test "x$2" = "x--version" || test "x$2" = "x--help"; then -       # Could not run --version or --help.  This is probably someone -       # running `$TOOL --version' or `$TOOL --help' to check whether -       # $TOOL exists and not knowing $TOOL uses missing. -       exit 1 -    fi -    ;; -esac - -# If it does not exist, or fails to run (possibly an outdated version), -# try to emulate it. -case $program in -  aclocal*) -    echo 1>&2 "\ -WARNING: \`$1' is $msg.  You should only need it if -         you modified \`acinclude.m4' or \`${configure_ac}'.  You might want -         to install the \`Automake' and \`Perl' packages.  Grab them from -         any GNU archive site." -    touch aclocal.m4 -    ;; - -  autoconf*) -    echo 1>&2 "\ -WARNING: \`$1' is $msg.  You should only need it if -         you modified \`${configure_ac}'.  You might want to install the -         \`Autoconf' and \`GNU m4' packages.  Grab them from any GNU -         archive site." -    touch configure -    ;; - -  autoheader*) -    echo 1>&2 "\ -WARNING: \`$1' is $msg.  You should only need it if -         you modified \`acconfig.h' or \`${configure_ac}'.  You might want -         to install the \`Autoconf' and \`GNU m4' packages.  Grab them -         from any GNU archive site." -    files=`sed -n 's/^[ ]*A[CM]_CONFIG_HEADER(\([^)]*\)).*/\1/p' ${configure_ac}` -    test -z "$files" && files="config.h" -    touch_files= -    for f in $files; do -      case $f in -      *:*) touch_files="$touch_files "`echo "$f" | -				       sed -e 's/^[^:]*://' -e 's/:.*//'`;; -      *) touch_files="$touch_files $f.in";; -      esac -    done -    touch $touch_files -    ;; - -  automake*) -    echo 1>&2 "\ -WARNING: \`$1' is $msg.  You should only need it if -         you modified \`Makefile.am', \`acinclude.m4' or \`${configure_ac}'. -         You might want to install the \`Automake' and \`Perl' packages. -         Grab them from any GNU archive site." -    find . -type f -name Makefile.am -print | -	   sed 's/\.am$/.in/' | -	   while read f; do touch "$f"; done -    ;; - -  autom4te*) -    echo 1>&2 "\ -WARNING: \`$1' is needed, but is $msg. -         You might have modified some files without having the -         proper tools for further handling them. -         You can get \`$1' as part of \`Autoconf' from any GNU -         archive site." - -    file=`echo "$*" | sed -n "$sed_output"` -    test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"` -    if test -f "$file"; then -	touch $file -    else -	test -z "$file" || exec >$file -	echo "#! /bin/sh" -	echo "# Created by GNU Automake missing as a replacement of" -	echo "#  $ $@" -	echo "exit 0" -	chmod +x $file -	exit 1 -    fi -    ;; - -  bison*|yacc*) -    echo 1>&2 "\ -WARNING: \`$1' $msg.  You should only need it if -         you modified a \`.y' file.  You may need the \`Bison' package -         in order for those modifications to take effect.  You can get -         \`Bison' from any GNU archive site." -    rm -f y.tab.c y.tab.h -    if test $# -ne 1; then -        eval LASTARG=\${$#} -	case $LASTARG in -	*.y) -	    SRCFILE=`echo "$LASTARG" | sed 's/y$/c/'` -	    if test -f "$SRCFILE"; then -	         cp "$SRCFILE" y.tab.c -	    fi -	    SRCFILE=`echo "$LASTARG" | sed 's/y$/h/'` -	    if test -f "$SRCFILE"; then -	         cp "$SRCFILE" y.tab.h -	    fi -	  ;; -	esac -    fi -    if test ! -f y.tab.h; then -	echo >y.tab.h -    fi -    if test ! -f y.tab.c; then -	echo 'main() { return 0; }' >y.tab.c -    fi -    ;; - -  lex*|flex*) -    echo 1>&2 "\ -WARNING: \`$1' is $msg.  You should only need it if -         you modified a \`.l' file.  You may need the \`Flex' package -         in order for those modifications to take effect.  You can get -         \`Flex' from any GNU archive site." -    rm -f lex.yy.c -    if test $# -ne 1; then -        eval LASTARG=\${$#} -	case $LASTARG in -	*.l) -	    SRCFILE=`echo "$LASTARG" | sed 's/l$/c/'` -	    if test -f "$SRCFILE"; then -	         cp "$SRCFILE" lex.yy.c -	    fi -	  ;; -	esac -    fi -    if test ! -f lex.yy.c; then -	echo 'main() { return 0; }' >lex.yy.c -    fi -    ;; - -  help2man*) -    echo 1>&2 "\ -WARNING: \`$1' is $msg.  You should only need it if -	 you modified a dependency of a manual page.  You may need the -	 \`Help2man' package in order for those modifications to take -	 effect.  You can get \`Help2man' from any GNU archive site." - -    file=`echo "$*" | sed -n "$sed_output"` -    test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"` -    if test -f "$file"; then -	touch $file -    else -	test -z "$file" || exec >$file -	echo ".ab help2man is required to generate this page" -	exit $? -    fi -    ;; - -  makeinfo*) -    echo 1>&2 "\ -WARNING: \`$1' is $msg.  You should only need it if -         you modified a \`.texi' or \`.texinfo' file, or any other file -         indirectly affecting the aspect of the manual.  The spurious -         call might also be the consequence of using a buggy \`make' (AIX, -         DU, IRIX).  You might want to install the \`Texinfo' package or -         the \`GNU make' package.  Grab either from any GNU archive site." -    # The file to touch is that specified with -o ... -    file=`echo "$*" | sed -n "$sed_output"` -    test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"` -    if test -z "$file"; then -      # ... or it is the one specified with @setfilename ... -      infile=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'` -      file=`sed -n ' -	/^@setfilename/{ -	  s/.* \([^ ]*\) *$/\1/ -	  p -	  q -	}' $infile` -      # ... or it is derived from the source name (dir/f.texi becomes f.info) -      test -z "$file" && file=`echo "$infile" | sed 's,.*/,,;s,.[^.]*$,,'`.info -    fi -    # If the file does not exist, the user really needs makeinfo; -    # let's fail without touching anything. -    test -f $file || exit 1 -    touch $file -    ;; +# Run the given program, remember its exit status. +"$@"; st=$? + +# If it succeeded, we are done. +test $st -eq 0 && exit 0 + +# Also exit now if we it failed (or wasn't found), and '--version' was +# passed; such an option is passed most likely to detect whether the +# program is present and works. +case $2 in --version|--help) exit $st;; esac + +# Exit code 63 means version mismatch.  This often happens when the user +# tries to use an ancient version of a tool on a file that requires a +# minimum version. +if test $st -eq 63; then +  msg="probably too old" +elif test $st -eq 127; then +  # Program was missing. +  msg="missing on your system" +else +  # Program was found and executed, but failed.  Give up. +  exit $st +fi -  *) -    echo 1>&2 "\ -WARNING: \`$1' is needed, and is $msg. -         You might have modified some files without having the -         proper tools for further handling them.  Check the \`README' file, -         it often tells you about the needed prerequisites for installing -         this package.  You may also peek at any GNU archive site, in case -         some other package would contain this missing \`$1' program." -    exit 1 +perl_URL=http://www.perl.org/ +flex_URL=http://flex.sourceforge.net/ +gnu_software_URL=http://www.gnu.org/software + +program_details () +{ +  case $1 in +    aclocal|automake) +      echo "The '$1' program is part of the GNU Automake package:" +      echo "<$gnu_software_URL/automake>" +      echo "It also requires GNU Autoconf, GNU m4 and Perl in order to run:" +      echo "<$gnu_software_URL/autoconf>" +      echo "<$gnu_software_URL/m4/>" +      echo "<$perl_URL>" +      ;; +    autoconf|autom4te|autoheader) +      echo "The '$1' program is part of the GNU Autoconf package:" +      echo "<$gnu_software_URL/autoconf/>" +      echo "It also requires GNU m4 and Perl in order to run:" +      echo "<$gnu_software_URL/m4/>" +      echo "<$perl_URL>" +      ;; +  esac +} + +give_advice () +{ +  # Normalize program name to check for. +  normalized_program=`echo "$1" | sed ' +    s/^gnu-//; t +    s/^gnu//; t +    s/^g//; t'` + +  printf '%s\n' "'$1' is $msg." + +  configure_deps="'configure.ac' or m4 files included by 'configure.ac'" +  case $normalized_program in +    autoconf*) +      echo "You should only need it if you modified 'configure.ac'," +      echo "or m4 files included by it." +      program_details 'autoconf' +      ;; +    autoheader*) +      echo "You should only need it if you modified 'acconfig.h' or" +      echo "$configure_deps." +      program_details 'autoheader' +      ;; +    automake*) +      echo "You should only need it if you modified 'Makefile.am' or" +      echo "$configure_deps." +      program_details 'automake' +      ;; +    aclocal*) +      echo "You should only need it if you modified 'acinclude.m4' or" +      echo "$configure_deps." +      program_details 'aclocal' +      ;; +   autom4te*) +      echo "You might have modified some maintainer files that require" +      echo "the 'autom4te' program to be rebuilt." +      program_details 'autom4te' +      ;; +    bison*|yacc*) +      echo "You should only need it if you modified a '.y' file." +      echo "You may want to install the GNU Bison package:" +      echo "<$gnu_software_URL/bison/>" +      ;; +    lex*|flex*) +      echo "You should only need it if you modified a '.l' file." +      echo "You may want to install the Fast Lexical Analyzer package:" +      echo "<$flex_URL>" +      ;; +    help2man*) +      echo "You should only need it if you modified a dependency" \ +           "of a man page." +      echo "You may want to install the GNU Help2man package:" +      echo "<$gnu_software_URL/help2man/>"      ;; -esac - -exit 0 +    makeinfo*) +      echo "You should only need it if you modified a '.texi' file, or" +      echo "any other file indirectly affecting the aspect of the manual." +      echo "You might want to install the Texinfo package:" +      echo "<$gnu_software_URL/texinfo/>" +      echo "The spurious makeinfo call might also be the consequence of" +      echo "using a buggy 'make' (AIX, DU, IRIX), in which case you might" +      echo "want to install GNU make:" +      echo "<$gnu_software_URL/make/>" +      ;; +    *) +      echo "You might have modified some files without having the proper" +      echo "tools for further handling them.  Check the 'README' file, it" +      echo "often tells you about the needed prerequisites for installing" +      echo "this package.  You may also peek at any GNU archive site, in" +      echo "case some other package contains this missing '$1' program." +      ;; +  esac +} + +give_advice "$1" | sed -e '1s/^/WARNING: /' \ +                       -e '2,$s/^/         /' >&2 + +# Propagate the correct exit status (expected to be 127 for a program +# not found, 63 for a program that failed due to version mismatch). +exit $st  # Local variables:  # eval: (add-hook 'write-file-hooks 'time-stamp) | 
