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kc3-lang/automake/m4/depout.m4

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  • Author : Alexandre Duret-Lutz
    Date : 2004-01-23 22:43:19
    Hash : f060afe1
    Message : * m4/depout.m4 (_AM_OUTPUT_DEPENDENCY_COMMANDS): Use `s/xx//p' instead of `/xx/ s///p'; the latter fails when GNU sed is run with POSIXLY_CORRECT. Also strip superfluous -e. Report from Miloslav Trmac.

  • m4/depout.m4
  • # Generate code to set up dependency tracking.   -*- Autoconf -*-
    
    # Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004
    #   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
    # 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, write to the Free Software
    # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
    # 02111-1307, USA.
    
    #serial 2
    
    # _AM_OUTPUT_DEPENDENCY_COMMANDS
    # ------------------------------
    AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
    [for mf in $CONFIG_FILES; do
      # Strip MF so we end up with the name of the file.
      mf=`echo "$mf" | sed -e 's/:.*$//'`
      # Check whether this is an Automake generated Makefile or not.
      # We used to match only the files named `Makefile.in', but
      # some people rename them; so instead we look at the file content.
      # Grep'ing the first line is not enough: some people post-process
      # each Makefile.in and add a new line on top of each file to say so.
      # So let's grep whole file.
      if grep '^#.*generated by automake' $mf > /dev/null 2>&1; then
        dirpart=`AS_DIRNAME("$mf")`
      else
        continue
      fi
      # Extract the definition of DEPDIR, am__include, and am__quote
      # from the Makefile without running `make'.
      DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
      test -z "$DEPDIR" && continue
      am__include=`sed -n 's/^am__include = //p' < "$mf"`
      test -z "am__include" && continue
      am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
      # When using ansi2knr, U may be empty or an underscore; expand it
      U=`sed -n 's/^U = //p' < "$mf"`
      # Find all dependency output files, they are included files with
      # $(DEPDIR) in their names.  We invoke sed twice because it is the
      # simplest approach to changing $(DEPDIR) to its actual value in the
      # expansion.
      for file in `sed -n "
        s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \
           sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g' -e 's/\$U/'"$U"'/g'`; do
        # Make sure the directory exists.
        test -f "$dirpart/$file" && continue
        fdir=`AS_DIRNAME(["$file"])`
        AS_MKDIR_P([$dirpart/$fdir])
        # echo "creating $dirpart/$file"
        echo '# dummy' > "$dirpart/$file"
      done
    done
    ])# _AM_OUTPUT_DEPENDENCY_COMMANDS
    
    
    # AM_OUTPUT_DEPENDENCY_COMMANDS
    # -----------------------------
    # This macro should only be invoked once -- use via AC_REQUIRE.
    #
    # This code is only required when automatic dependency tracking
    # is enabled.  FIXME.  This creates each `.P' file that we will
    # need in order to bootstrap the dependency handling code.
    AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
    [AC_CONFIG_COMMANDS([depfiles],
         [test x"$AMDEP_TRUE" != x"" || _AM_OUTPUT_DEPENDENCY_COMMANDS],
         [AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"])
    ])