toolkit/crashreporter/google-breakpad/m4/ltsugar.m4@b8a032363ba2 (annotated)
toolkit/crashreporter/google-breakpad/m4/ltsugar.m4
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
| michael@0 | 1 | # ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*- |
| michael@0 | 2 | # |
| michael@0 | 3 | # Copyright (C) 2004, 2005, 2007, 2008 Free Software Foundation, Inc. |
| michael@0 | 4 | # Written by Gary V. Vaughan, 2004 |
| michael@0 | 5 | # |
| michael@0 | 6 | # This file is free software; the Free Software Foundation gives |
| michael@0 | 7 | # unlimited permission to copy and/or distribute it, with or without |
| michael@0 | 8 | # modifications, as long as this notice is preserved. |
| michael@0 | 9 | |
| michael@0 | 10 | # serial 6 ltsugar.m4 |
| michael@0 | 11 | |
| michael@0 | 12 | # This is to help aclocal find these macros, as it can't see m4_define. |
| michael@0 | 13 | AC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])]) |
| michael@0 | 14 | |
| michael@0 | 15 | |
| michael@0 | 16 | # lt_join(SEP, ARG1, [ARG2...]) |
| michael@0 | 17 | # ----------------------------- |
| michael@0 | 18 | # Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their |
| michael@0 | 19 | # associated separator. |
| michael@0 | 20 | # Needed until we can rely on m4_join from Autoconf 2.62, since all earlier |
| michael@0 | 21 | # versions in m4sugar had bugs. |
| michael@0 | 22 | m4_define([lt_join], |
| michael@0 | 23 | [m4_if([$#], [1], [], |
| michael@0 | 24 | [$#], [2], [[$2]], |
| michael@0 | 25 | [m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])]) |
| michael@0 | 26 | m4_define([_lt_join], |
| michael@0 | 27 | [m4_if([$#$2], [2], [], |
| michael@0 | 28 | [m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])]) |
| michael@0 | 29 | |
| michael@0 | 30 | |
| michael@0 | 31 | # lt_car(LIST) |
| michael@0 | 32 | # lt_cdr(LIST) |
| michael@0 | 33 | # ------------ |
| michael@0 | 34 | # Manipulate m4 lists. |
| michael@0 | 35 | # These macros are necessary as long as will still need to support |
| michael@0 | 36 | # Autoconf-2.59 which quotes differently. |
| michael@0 | 37 | m4_define([lt_car], [[$1]]) |
| michael@0 | 38 | m4_define([lt_cdr], |
| michael@0 | 39 | [m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])], |
| michael@0 | 40 | [$#], 1, [], |
| michael@0 | 41 | [m4_dquote(m4_shift($@))])]) |
| michael@0 | 42 | m4_define([lt_unquote], $1) |
| michael@0 | 43 | |
| michael@0 | 44 | |
| michael@0 | 45 | # lt_append(MACRO-NAME, STRING, [SEPARATOR]) |
| michael@0 | 46 | # ------------------------------------------ |
| michael@0 | 47 | # Redefine MACRO-NAME to hold its former content plus `SEPARATOR'`STRING'. |
| michael@0 | 48 | # Note that neither SEPARATOR nor STRING are expanded; they are appended |
| michael@0 | 49 | # to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked). |
| michael@0 | 50 | # No SEPARATOR is output if MACRO-NAME was previously undefined (different |
| michael@0 | 51 | # than defined and empty). |
| michael@0 | 52 | # |
| michael@0 | 53 | # This macro is needed until we can rely on Autoconf 2.62, since earlier |
| michael@0 | 54 | # versions of m4sugar mistakenly expanded SEPARATOR but not STRING. |
| michael@0 | 55 | m4_define([lt_append], |
| michael@0 | 56 | [m4_define([$1], |
| michael@0 | 57 | m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])]) |
| michael@0 | 58 | |
| michael@0 | 59 | |
| michael@0 | 60 | |
| michael@0 | 61 | # lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...]) |
| michael@0 | 62 | # ---------------------------------------------------------- |
| michael@0 | 63 | # Produce a SEP delimited list of all paired combinations of elements of |
| michael@0 | 64 | # PREFIX-LIST with SUFFIX1 through SUFFIXn. Each element of the list |
| michael@0 | 65 | # has the form PREFIXmINFIXSUFFIXn. |
| michael@0 | 66 | # Needed until we can rely on m4_combine added in Autoconf 2.62. |
| michael@0 | 67 | m4_define([lt_combine], |
| michael@0 | 68 | [m4_if(m4_eval([$# > 3]), [1], |
| michael@0 | 69 | [m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl |
| michael@0 | 70 | [[m4_foreach([_Lt_prefix], [$2], |
| michael@0 | 71 | [m4_foreach([_Lt_suffix], |
| michael@0 | 72 | ]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[, |
| michael@0 | 73 | [_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])]) |
| michael@0 | 74 | |
| michael@0 | 75 | |
| michael@0 | 76 | # lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ]) |
| michael@0 | 77 | # ----------------------------------------------------------------------- |
| michael@0 | 78 | # Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited |
| michael@0 | 79 | # by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ. |
| michael@0 | 80 | m4_define([lt_if_append_uniq], |
| michael@0 | 81 | [m4_ifdef([$1], |
| michael@0 | 82 | [m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1], |
| michael@0 | 83 | [lt_append([$1], [$2], [$3])$4], |
| michael@0 | 84 | [$5])], |
| michael@0 | 85 | [lt_append([$1], [$2], [$3])$4])]) |
| michael@0 | 86 | |
| michael@0 | 87 | |
| michael@0 | 88 | # lt_dict_add(DICT, KEY, VALUE) |
| michael@0 | 89 | # ----------------------------- |
| michael@0 | 90 | m4_define([lt_dict_add], |
| michael@0 | 91 | [m4_define([$1($2)], [$3])]) |
| michael@0 | 92 | |
| michael@0 | 93 | |
| michael@0 | 94 | # lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE) |
| michael@0 | 95 | # -------------------------------------------- |
| michael@0 | 96 | m4_define([lt_dict_add_subkey], |
| michael@0 | 97 | [m4_define([$1($2:$3)], [$4])]) |
| michael@0 | 98 | |
| michael@0 | 99 | |
| michael@0 | 100 | # lt_dict_fetch(DICT, KEY, [SUBKEY]) |
| michael@0 | 101 | # ---------------------------------- |
| michael@0 | 102 | m4_define([lt_dict_fetch], |
| michael@0 | 103 | [m4_ifval([$3], |
| michael@0 | 104 | m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]), |
| michael@0 | 105 | m4_ifdef([$1($2)], [m4_defn([$1($2)])]))]) |
| michael@0 | 106 | |
| michael@0 | 107 | |
| michael@0 | 108 | # lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE]) |
| michael@0 | 109 | # ----------------------------------------------------------------- |
| michael@0 | 110 | m4_define([lt_if_dict_fetch], |
| michael@0 | 111 | [m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4], |
| michael@0 | 112 | [$5], |
| michael@0 | 113 | [$6])]) |
| michael@0 | 114 | |
| michael@0 | 115 | |
| michael@0 | 116 | # lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...]) |
| michael@0 | 117 | # -------------------------------------------------------------- |
| michael@0 | 118 | m4_define([lt_dict_filter], |
| michael@0 | 119 | [m4_if([$5], [], [], |
| michael@0 | 120 | [lt_join(m4_quote(m4_default([$4], [[, ]])), |
| michael@0 | 121 | lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]), |
| michael@0 | 122 | [lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl |
| michael@0 | 123 | ]) |
