kc3-lang/automake/m4/depout.m4

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• Hash : 9ae48df8
  Author :
  Date : 1999-11-21T21:35:41
  

  Merged from user-dep-gen-branch.
  

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• m4/depout.m4

• 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/'"$U"'/g'`; do
      test -f "$dirpart/$file" && continue
      echo "creating $dirpart/$file"
      echo '# dummy' > "$dirpart/$file"
    done
  done
  ], [AMDEP="$AMDEP"])])
  

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