Meson WrapDB for Google's cityhash.
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

124 lines
4.3KB

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