| 1 | # Helper functions for option handling. -*- Autoconf -*-
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| 2 |
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| 3 | # Copyright (C) 2001, 2002, 2003, 2005 Free Software Foundation, Inc.
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| 4 | #
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| 5 | # This file is free software; the Free Software Foundation
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| 6 | # gives unlimited permission to copy and/or distribute it,
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| 7 | # with or without modifications, as long as this notice is preserved.
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| 8 |
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| 9 | # serial 3
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| 10 |
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| 11 | # _AM_MANGLE_OPTION(NAME)
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| 12 | # -----------------------
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| 13 | AC_DEFUN([_AM_MANGLE_OPTION],
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| 14 | [[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
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| 15 |
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| 16 | # _AM_SET_OPTION(NAME)
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| 17 | # ------------------------------
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| 18 | # Set option NAME. Presently that only means defining a flag for this option.
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| 19 | AC_DEFUN([_AM_SET_OPTION],
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| 20 | [m4_define(_AM_MANGLE_OPTION([$1]), 1)])
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| 21 |
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| 22 | # _AM_SET_OPTIONS(OPTIONS)
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| 23 | # ----------------------------------
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| 24 | # OPTIONS is a space-separated list of Automake options.
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| 25 | AC_DEFUN([_AM_SET_OPTIONS],
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| 26 | [AC_FOREACH([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
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| 27 |
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| 28 | # _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
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| 29 | # -------------------------------------------
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| 30 | # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
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| 31 | AC_DEFUN([_AM_IF_OPTION],
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| 32 | [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
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