| 1 | # Generate code to set up dependency tracking. -*- Autoconf -*-
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| 2 |
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| 3 | # Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005
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| 4 | # Free Software Foundation, Inc.
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| 5 | #
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| 6 | # This file is free software; the Free Software Foundation
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| 7 | # gives unlimited permission to copy and/or distribute it,
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| 8 | # with or without modifications, as long as this notice is preserved.
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| 9 |
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| 10 | #serial 3
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| 11 |
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| 12 | # _AM_OUTPUT_DEPENDENCY_COMMANDS
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| 13 | # ------------------------------
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| 14 | AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
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| 15 | [for mf in $CONFIG_FILES; do
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| 16 | # Strip MF so we end up with the name of the file.
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| 17 | mf=`echo "$mf" | sed -e 's/:.*$//'`
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| 18 | # Check whether this is an Automake generated Makefile or not.
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| 19 | # We used to match only the files named `Makefile.in', but
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| 20 | # some people rename them; so instead we look at the file content.
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| 21 | # Grep'ing the first line is not enough: some people post-process
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| 22 | # each Makefile.in and add a new line on top of each file to say so.
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| 23 | # Grep'ing the whole file is not good either: AIX grep has a line
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| 24 | # limit of 2048, but all sed's we know have understand at least 4000.
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| 25 | if sed 10q "$mf" | grep '^#.*generated by automake' > /dev/null 2>&1; then
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| 26 | dirpart=`AS_DIRNAME("$mf")`
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| 27 | else
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| 28 | continue
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| 29 | fi
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| 30 | # Extract the definition of DEPDIR, am__include, and am__quote
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| 31 | # from the Makefile without running `make'.
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| 32 | DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
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| 33 | test -z "$DEPDIR" && continue
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| 34 | am__include=`sed -n 's/^am__include = //p' < "$mf"`
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| 35 | test -z "am__include" && continue
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| 36 | am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
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| 37 | # When using ansi2knr, U may be empty or an underscore; expand it
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| 38 | U=`sed -n 's/^U = //p' < "$mf"`
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| 39 | # Find all dependency output files, they are included files with
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| 40 | # $(DEPDIR) in their names. We invoke sed twice because it is the
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| 41 | # simplest approach to changing $(DEPDIR) to its actual value in the
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| 42 | # expansion.
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| 43 | for file in `sed -n "
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| 44 | s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \
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| 45 | sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g' -e 's/\$U/'"$U"'/g'`; do
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| 46 | # Make sure the directory exists.
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| 47 | test -f "$dirpart/$file" && continue
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| 48 | fdir=`AS_DIRNAME(["$file"])`
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| 49 | AS_MKDIR_P([$dirpart/$fdir])
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| 50 | # echo "creating $dirpart/$file"
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| 51 | echo '# dummy' > "$dirpart/$file"
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| 52 | done
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| 53 | done
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| 54 | ])# _AM_OUTPUT_DEPENDENCY_COMMANDS
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| 55 |
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| 56 |
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| 57 | # AM_OUTPUT_DEPENDENCY_COMMANDS
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| 58 | # -----------------------------
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| 59 | # This macro should only be invoked once -- use via AC_REQUIRE.
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| 60 | #
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| 61 | # This code is only required when automatic dependency tracking
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| 62 | # is enabled. FIXME. This creates each `.P' file that we will
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| 63 | # need in order to bootstrap the dependency handling code.
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| 64 | AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
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| 65 | [AC_CONFIG_COMMANDS([depfiles],
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| 66 | [test x"$AMDEP_TRUE" != x"" || _AM_OUTPUT_DEPENDENCY_COMMANDS],
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| 67 | [AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"])
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| 68 | ])
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