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