projects / binutils.git / blame
| Commit | Line | Data |
|---|---|---|
| 37ad9514 SE |
1 | # ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*- |
| 2 | # | |
| 78124051 | 3 | # Copyright (C) 2004, 2005, 2007 Free Software Foundation, Inc. |
| 37ad9514 SE |
4 | # Written by Gary V. Vaughan. |
| 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 | ||
| 78124051 | 10 | # serial 4 ltsugar.m4 |
| 37ad9514 SE |
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 | m4_define([lt_join], | |
| 21 | [m4_case([$#], | |
| 22 | [0], [m4_fatal([$0: too few arguments: $#])], | |
| 23 | [1], [], | |
| 24 | [2], [[$2]], | |
| 25 | [m4_ifval([$2], | |
| 26 | [[$2][]m4_foreach(_lt_Arg, lt_car([m4_shiftn(2, $@)]), | |
| 27 | [_$0([$1], _lt_Arg)])], | |
| 28 | [$0([$1], m4_shiftn(2, $@))])])[]dnl | |
| 29 | ]) | |
| 30 | m4_define([_lt_join], | |
| 31 | [m4_ifval([$2],[$1][$2])[]dnl | |
| 32 | ]) | |
| 33 | ||
| 34 | ||
| 35 | # lt_car(LIST) | |
| 36 | # lt_cdr(LIST) | |
| 37 | # ------------ | |
| 38 | # Manipulate m4 lists. | |
| 39 | # These macros are necessary as long as will still need to support | |
| 40 | # Autoconf-2.59 which quotes differently. | |
| 41 | m4_define([lt_car], [[$1]]) | |
| 42 | m4_define([lt_cdr], | |
| 43 | [m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])], | |
| 44 | [$#], 1, [], | |
| 45 | [m4_dquote(m4_shift($@))])]) | |
| 46 | m4_define([lt_unquote], $1) | |
| 47 | ||
| 48 | ||
| 78124051 RW |
49 | # lt_append(MACRO-NAME, STRING, [SEPARATOR]) |
| 50 | # ------------------------------------------ | |
| 51 | # Redefine MACRO-NAME to hold its former content plus `SEPARATOR'`STRING'. | |
| 52 | # Note that neither SEPARATOR nor STRING are expanded. No SEPARATOR is | |
| 53 | # output if MACRO-NAME was previously undefined (different than defined | |
| 54 | # and empty). | |
| 55 | # This macro is needed until we can rely on Autoconf 2.62, since earlier | |
| 56 | # versions of m4 mistakenly expanded SEPARATOR. | |
| 57 | m4_define([lt_append], | |
| 58 | [m4_define([$1], | |
| 59 | m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])]) | |
| 60 | ||
| 61 | ||
| 62 | ||
| 37ad9514 SE |
63 | # lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...]) |
| 64 | # ---------------------------------------------------------- | |
| 65 | # Produce a SEP delimited list of all paired combinations of elements of | |
| 66 | # PREFIX-LIST with SUFFIX1 through SUFFIXn. Each element of the list | |
| 67 | # has the form PREFIXmINFIXSUFFIXn. | |
| 68 | m4_define([lt_combine], | |
| 69 | [m4_if([$2], [], [], | |
| 70 | [m4_if([$4], [], [], | |
| 71 | [lt_join(m4_quote(m4_default([$1], [[, ]])), | |
| 72 | lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_prefix, [$2], | |
| 73 | [m4_foreach(_Lt_suffix, lt_car([m4_shiftn(3, $@)]), | |
| 74 | [_Lt_prefix[]$3[]_Lt_suffix ])])))))])])dnl | |
| 75 | ]) | |
| 76 | ||
| 77 | ||
| 78 | # lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ]) | |
| 79 | # ----------------------------------------------------------------------- | |
| 80 | # Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited | |
| 81 | # by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ. | |
| 82 | m4_define([lt_if_append_uniq], | |
| 83 | [m4_ifdef([$1], | |
| 78124051 RW |
84 | [m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1], |
| 85 | [lt_append([$1], [$2], [$3])$4], | |
| 86 | [$5])], | |
| 87 | [lt_append([$1], [$2], [$3])$4])]) | |
| 37ad9514 SE |
88 | |
| 89 | ||
| 90 | # lt_dict_add(DICT, KEY, VALUE) | |
| 91 | # ----------------------------- | |
| 92 | m4_define([lt_dict_add], | |
| 93 | [m4_define([$1($2)], [$4])]) | |
| 94 | ||
| 95 | ||
| 96 | # lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE) | |
| 97 | # -------------------------------------------- | |
| 98 | m4_define([lt_dict_add_subkey], | |
| 99 | [m4_define([$1($2:$3)], [$4])]) | |
| 100 | ||
| 101 | ||
| 102 | # lt_dict_fetch(DICT, KEY, [SUBKEY]) | |
| 103 | # ---------------------------------- | |
| 104 | m4_define([lt_dict_fetch], | |
| 105 | [m4_ifval([$3], | |
| 106 | m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]), | |
| 107 | m4_ifdef([$1($2)], [m4_defn([$1($2)])]))]) | |
| 108 | ||
| 109 | ||
| 110 | # lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE]) | |
| 111 | # ----------------------------------------------------------------- | |
| 112 | m4_define([lt_if_dict_fetch], | |
| 113 | [m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4], | |
| 114 | [$5], | |
| 115 | [$6])]) | |
| 116 | ||
| 117 | ||
| 118 | # lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...]) | |
| 119 | # -------------------------------------------------------------- | |
| 120 | m4_define([lt_dict_filter], | |
| 121 | [m4_if([$5], [], [], | |
| 122 | [lt_join(m4_quote(m4_default([$4], [[, ]])), | |
| 123 | lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]), | |
| 124 | [lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl | |
| 125 | ]) |