# Generate code to set up dependency tracking. -*- Autoconf -*- # Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005 # Free Software Foundation, Inc. # # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. #serial 3 # _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/:.*$//'` # Check whether this is an Automake generated Makefile or not. # We used to match only the files named `Makefile.in', but # some people rename them; so instead we look at the file content. # Grep'ing the first line is not enough: some people post-process # each Makefile.in and add a new line on top of each file to say so. # Grep'ing the whole file is not good either: AIX grep has a line # limit of 2048, but all sed's we know have understand at least 4000. if sed 10q "$mf" | grep '^#.*generated by automake' > /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"]) ])