1290001Sglebius# ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*- 2290001Sglebius# 3290001Sglebius# Copyright (C) 2004, 2005, 2007, 2008 Free Software Foundation, Inc. 4290001Sglebius# Written by Gary V. Vaughan, 2004 5290001Sglebius# 6290001Sglebius# This file is free software; the Free Software Foundation gives 7290001Sglebius# unlimited permission to copy and/or distribute it, with or without 8290001Sglebius# modifications, as long as this notice is preserved. 9290001Sglebius 10290001Sglebius# serial 6 ltsugar.m4 11290001Sglebius 12290001Sglebius# This is to help aclocal find these macros, as it can't see m4_define. 13290001SglebiusAC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])]) 14290001Sglebius 15290001Sglebius 16290001Sglebius# lt_join(SEP, ARG1, [ARG2...]) 17290001Sglebius# ----------------------------- 18290001Sglebius# Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their 19290001Sglebius# associated separator. 20290001Sglebius# Needed until we can rely on m4_join from Autoconf 2.62, since all earlier 21290001Sglebius# versions in m4sugar had bugs. 22290001Sglebiusm4_define([lt_join], 23290001Sglebius[m4_if([$#], [1], [], 24290001Sglebius [$#], [2], [[$2]], 25290001Sglebius [m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])]) 26290001Sglebiusm4_define([_lt_join], 27290001Sglebius[m4_if([$#$2], [2], [], 28290001Sglebius [m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])]) 29290001Sglebius 30290001Sglebius 31290001Sglebius# lt_car(LIST) 32290001Sglebius# lt_cdr(LIST) 33290001Sglebius# ------------ 34290001Sglebius# Manipulate m4 lists. 35290001Sglebius# These macros are necessary as long as will still need to support 36290001Sglebius# Autoconf-2.59 which quotes differently. 37290001Sglebiusm4_define([lt_car], [[$1]]) 38290001Sglebiusm4_define([lt_cdr], 39290001Sglebius[m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])], 40290001Sglebius [$#], 1, [], 41290001Sglebius [m4_dquote(m4_shift($@))])]) 42290001Sglebiusm4_define([lt_unquote], $1) 43290001Sglebius 44290001Sglebius 45290001Sglebius# lt_append(MACRO-NAME, STRING, [SEPARATOR]) 46290001Sglebius# ------------------------------------------ 47290001Sglebius# Redefine MACRO-NAME to hold its former content plus `SEPARATOR'`STRING'. 48290001Sglebius# Note that neither SEPARATOR nor STRING are expanded; they are appended 49290001Sglebius# to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked). 50290001Sglebius# No SEPARATOR is output if MACRO-NAME was previously undefined (different 51290001Sglebius# than defined and empty). 52290001Sglebius# 53290001Sglebius# This macro is needed until we can rely on Autoconf 2.62, since earlier 54290001Sglebius# versions of m4sugar mistakenly expanded SEPARATOR but not STRING. 55290001Sglebiusm4_define([lt_append], 56290001Sglebius[m4_define([$1], 57290001Sglebius m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])]) 58290001Sglebius 59290001Sglebius 60290001Sglebius 61290001Sglebius# lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...]) 62290001Sglebius# ---------------------------------------------------------- 63290001Sglebius# Produce a SEP delimited list of all paired combinations of elements of 64290001Sglebius# PREFIX-LIST with SUFFIX1 through SUFFIXn. Each element of the list 65290001Sglebius# has the form PREFIXmINFIXSUFFIXn. 66290001Sglebius# Needed until we can rely on m4_combine added in Autoconf 2.62. 67290001Sglebiusm4_define([lt_combine], 68290001Sglebius[m4_if(m4_eval([$# > 3]), [1], 69290001Sglebius [m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl 70290001Sglebius[[m4_foreach([_Lt_prefix], [$2], 71290001Sglebius [m4_foreach([_Lt_suffix], 72290001Sglebius ]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[, 73290001Sglebius [_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])]) 74290001Sglebius 75290001Sglebius 76290001Sglebius# lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ]) 77290001Sglebius# ----------------------------------------------------------------------- 78290001Sglebius# Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited 79290001Sglebius# by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ. 80290001Sglebiusm4_define([lt_if_append_uniq], 81290001Sglebius[m4_ifdef([$1], 82290001Sglebius [m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1], 83290001Sglebius [lt_append([$1], [$2], [$3])$4], 84290001Sglebius [$5])], 85290001Sglebius [lt_append([$1], [$2], [$3])$4])]) 86290001Sglebius 87290001Sglebius 88290001Sglebius# lt_dict_add(DICT, KEY, VALUE) 89290001Sglebius# ----------------------------- 90290001Sglebiusm4_define([lt_dict_add], 91290001Sglebius[m4_define([$1($2)], [$3])]) 92290001Sglebius 93290001Sglebius 94290001Sglebius# lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE) 95290001Sglebius# -------------------------------------------- 96290001Sglebiusm4_define([lt_dict_add_subkey], 97290001Sglebius[m4_define([$1($2:$3)], [$4])]) 98290001Sglebius 99290001Sglebius 100290001Sglebius# lt_dict_fetch(DICT, KEY, [SUBKEY]) 101290001Sglebius# ---------------------------------- 102290001Sglebiusm4_define([lt_dict_fetch], 103290001Sglebius[m4_ifval([$3], 104290001Sglebius m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]), 105290001Sglebius m4_ifdef([$1($2)], [m4_defn([$1($2)])]))]) 106290001Sglebius 107290001Sglebius 108290001Sglebius# lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE]) 109290001Sglebius# ----------------------------------------------------------------- 110290001Sglebiusm4_define([lt_if_dict_fetch], 111290001Sglebius[m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4], 112290001Sglebius [$5], 113290001Sglebius [$6])]) 114290001Sglebius 115290001Sglebius 116290001Sglebius# lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...]) 117290001Sglebius# -------------------------------------------------------------- 118290001Sglebiusm4_define([lt_dict_filter], 119290001Sglebius[m4_if([$5], [], [], 120290001Sglebius [lt_join(m4_quote(m4_default([$4], [[, ]])), 121290001Sglebius lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]), 122290001Sglebius [lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl 123290001Sglebius]) 124