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kc3-lang/automake/m4/depout.m4

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  • Author : Tom Tromey
    Date : 2002-03-06 04:45:32
    Hash : c75d6ce9
    Message : * configure.in: Released 1.6.

  • m4/depout.m4
  • # Generate code to set up dependency tracking.   -*- Autoconf -*-
    
    # Copyright 1999, 2000, 2001, 2002 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/:.*$//'`
      if (sed 1q $mf | fgrep 'generated by automake') > /dev/null 2>&1; then
        dirpart=`AS_DIRNAME("$mf")`
      else
        continue
      fi
      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/$file" && continue
        fdir=`AS_DIRNAME(["$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"])
    ])