lac : 48bc9344a4d661e116be1483d5520753875b2bd1

     1: # ltsugar.m4 -- libtool m4 base layer.                         -*-Autoconf-*-
     2: #
     3: # Copyright (C) 2004-2005, 2007-2008, 2011-2015 Free Software
     4: # Foundation, Inc.
     5: # Written by Gary V. Vaughan, 2004
     6: #
     7: # This file is free software; the Free Software Foundation gives
     8: # unlimited permission to copy and/or distribute it, with or without
     9: # modifications, as long as this notice is preserved.
    10: 
    11: # serial 6 ltsugar.m4
    12: 
    13: # This is to help aclocal find these macros, as it can't see m4_define.
    14: AC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])])
    15: 
    16: 
    17: # lt_join(SEP, ARG1, [ARG2...])
    18: # -----------------------------
    19: # Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their
    20: # associated separator.
    21: # Needed until we can rely on m4_join from Autoconf 2.62, since all earlier
    22: # versions in m4sugar had bugs.
    23: m4_define([lt_join],
    24: [m4_if([$#], [1], [],
    25:        [$#], [2], [[$2]],
    26:        [m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])])
    27: m4_define([_lt_join],
    28: [m4_if([$#$2], [2], [],
    29:        [m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])])
    30: 
    31: 
    32: # lt_car(LIST)
    33: # lt_cdr(LIST)
    34: # ------------
    35: # Manipulate m4 lists.
    36: # These macros are necessary as long as will still need to support
    37: # Autoconf-2.59, which quotes differently.
    38: m4_define([lt_car], [[$1]])
    39: m4_define([lt_cdr],
    40: [m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])],
    41:        [$#], 1, [],
    42:        [m4_dquote(m4_shift($@))])])
    43: m4_define([lt_unquote], $1)
    44: 
    45: 
    46: # lt_append(MACRO-NAME, STRING, [SEPARATOR])
    47: # ------------------------------------------
    48: # Redefine MACRO-NAME to hold its former content plus 'SEPARATOR''STRING'.
    49: # Note that neither SEPARATOR nor STRING are expanded; they are appended
    50: # to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked).
    51: # No SEPARATOR is output if MACRO-NAME was previously undefined (different
    52: # than defined and empty).
    53: #
    54: # This macro is needed until we can rely on Autoconf 2.62, since earlier
    55: # versions of m4sugar mistakenly expanded SEPARATOR but not STRING.
    56: m4_define([lt_append],
    57: [m4_define([$1],
    58: 	   m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])])
    59: 
    60: 
    61: 
    62: # lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...])
    63: # ----------------------------------------------------------
    64: # Produce a SEP delimited list of all paired combinations of elements of
    65: # PREFIX-LIST with SUFFIX1 through SUFFIXn.  Each element of the list
    66: # has the form PREFIXmINFIXSUFFIXn.
    67: # Needed until we can rely on m4_combine added in Autoconf 2.62.
    68: m4_define([lt_combine],
    69: [m4_if(m4_eval([$# > 3]), [1],
    70:        [m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl
    71: [[m4_foreach([_Lt_prefix], [$2],
    72: 	     [m4_foreach([_Lt_suffix],
    73: 		]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[,
    74: 	[_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])])
    75: 
    76: 
    77: # lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ])
    78: # -----------------------------------------------------------------------
    79: # Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited
    80: # by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ.
    81: m4_define([lt_if_append_uniq],
    82: [m4_ifdef([$1],
    83: 	  [m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1],
    84: 		 [lt_append([$1], [$2], [$3])$4],
    85: 		 [$5])],
    86: 	  [lt_append([$1], [$2], [$3])$4])])
    87: 
    88: 
    89: # lt_dict_add(DICT, KEY, VALUE)
    90: # -----------------------------
    91: m4_define([lt_dict_add],
    92: [m4_define([$1($2)], [$3])])
    93: 
    94: 
    95: # lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE)
    96: # --------------------------------------------
    97: m4_define([lt_dict_add_subkey],
    98: [m4_define([$1($2:$3)], [$4])])
    99: 
   100: 
   101: # lt_dict_fetch(DICT, KEY, [SUBKEY])
   102: # ----------------------------------
   103: m4_define([lt_dict_fetch],
   104: [m4_ifval([$3],
   105: 	m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]),
   106:     m4_ifdef([$1($2)], [m4_defn([$1($2)])]))])
   107: 
   108: 
   109: # lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE])
   110: # -----------------------------------------------------------------
   111: m4_define([lt_if_dict_fetch],
   112: [m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4],
   113: 	[$5],
   114:     [$6])])
   115: 
   116: 
   117: # lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...])
   118: # --------------------------------------------------------------
   119: m4_define([lt_dict_filter],
   120: [m4_if([$5], [], [],
   121:   [lt_join(m4_quote(m4_default([$4], [[, ]])),
   122:            lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]),
   123: 		      [lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl
   124: ])