source: squid-ssl/trunk/fuentes/libltdl/m4/ltoptions.m4 @ 5495

Last change on this file since 5495 was 5495, checked in by Juanma, 2 years ago

Initial release

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1# Helper functions for option handling.                    -*- Autoconf -*-
2#
3#   Copyright (C) 2004-2005, 2007-2009, 2011-2015 Free Software
4#   Foundation, Inc.
5#   Written by Gary V. Vaughan, 2004
6#
7# This file is free software; the Free Software Foundation gives
8# unlimited permission to copy and/or distribute it, with or without
9# modifications, as long as this notice is preserved.
10
11# serial 8 ltoptions.m4
12
13# This is to help aclocal find these macros, as it can't see m4_define.
14AC_DEFUN([LTOPTIONS_VERSION], [m4_if([1])])
15
16
17# _LT_MANGLE_OPTION(MACRO-NAME, OPTION-NAME)
18# ------------------------------------------
19m4_define([_LT_MANGLE_OPTION],
20[[_LT_OPTION_]m4_bpatsubst($1__$2, [[^a-zA-Z0-9_]], [_])])
21
22
23# _LT_SET_OPTION(MACRO-NAME, OPTION-NAME)
24# ---------------------------------------
25# Set option OPTION-NAME for macro MACRO-NAME, and if there is a
26# matching handler defined, dispatch to it.  Other OPTION-NAMEs are
27# saved as a flag.
28m4_define([_LT_SET_OPTION],
29[m4_define(_LT_MANGLE_OPTION([$1], [$2]))dnl
30m4_ifdef(_LT_MANGLE_DEFUN([$1], [$2]),
31        _LT_MANGLE_DEFUN([$1], [$2]),
32    [m4_warning([Unknown $1 option '$2'])])[]dnl
33])
34
35
36# _LT_IF_OPTION(MACRO-NAME, OPTION-NAME, IF-SET, [IF-NOT-SET])
37# ------------------------------------------------------------
38# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
39m4_define([_LT_IF_OPTION],
40[m4_ifdef(_LT_MANGLE_OPTION([$1], [$2]), [$3], [$4])])
41
42
43# _LT_UNLESS_OPTIONS(MACRO-NAME, OPTION-LIST, IF-NOT-SET)
44# -------------------------------------------------------
45# Execute IF-NOT-SET unless all options in OPTION-LIST for MACRO-NAME
46# are set.
47m4_define([_LT_UNLESS_OPTIONS],
48[m4_foreach([_LT_Option], m4_split(m4_normalize([$2])),
49            [m4_ifdef(_LT_MANGLE_OPTION([$1], _LT_Option),
50                      [m4_define([$0_found])])])[]dnl
51m4_ifdef([$0_found], [m4_undefine([$0_found])], [$3
52])[]dnl
53])
54
55
56# _LT_SET_OPTIONS(MACRO-NAME, OPTION-LIST)
57# ----------------------------------------
58# OPTION-LIST is a space-separated list of Libtool options associated
59# with MACRO-NAME.  If any OPTION has a matching handler declared with
60# LT_OPTION_DEFINE, dispatch to that macro; otherwise complain about
61# the unknown option and exit.
62m4_defun([_LT_SET_OPTIONS],
63[# Set options
64m4_foreach([_LT_Option], m4_split(m4_normalize([$2])),
65    [_LT_SET_OPTION([$1], _LT_Option)])
66
67m4_if([$1],[LT_INIT],[
68  dnl
69  dnl Simply set some default values (i.e off) if boolean options were not
70  dnl specified:
71  _LT_UNLESS_OPTIONS([LT_INIT], [dlopen], [enable_dlopen=no
72  ])
73  _LT_UNLESS_OPTIONS([LT_INIT], [win32-dll], [enable_win32_dll=no
74  ])
75  dnl
76  dnl If no reference was made to various pairs of opposing options, then
77  dnl we run the default mode handler for the pair.  For example, if neither
78  dnl 'shared' nor 'disable-shared' was passed, we enable building of shared
79  dnl archives by default:
80  _LT_UNLESS_OPTIONS([LT_INIT], [shared disable-shared], [_LT_ENABLE_SHARED])
81  _LT_UNLESS_OPTIONS([LT_INIT], [static disable-static], [_LT_ENABLE_STATIC])
82  _LT_UNLESS_OPTIONS([LT_INIT], [pic-only no-pic], [_LT_WITH_PIC])
83  _LT_UNLESS_OPTIONS([LT_INIT], [fast-install disable-fast-install],
84                   [_LT_ENABLE_FAST_INSTALL])
85  _LT_UNLESS_OPTIONS([LT_INIT], [aix-soname=aix aix-soname=both aix-soname=svr4],
86                   [_LT_WITH_AIX_SONAME([aix])])
87  ])
88])# _LT_SET_OPTIONS
89
90
91## --------------------------------- ##
92## Macros to handle LT_INIT options. ##
93## --------------------------------- ##
94
95# _LT_MANGLE_DEFUN(MACRO-NAME, OPTION-NAME)
96# -----------------------------------------
97m4_define([_LT_MANGLE_DEFUN],
98[[_LT_OPTION_DEFUN_]m4_bpatsubst(m4_toupper([$1__$2]), [[^A-Z0-9_]], [_])])
99
100
101# LT_OPTION_DEFINE(MACRO-NAME, OPTION-NAME, CODE)
102# -----------------------------------------------
103m4_define([LT_OPTION_DEFINE],
104[m4_define(_LT_MANGLE_DEFUN([$1], [$2]), [$3])[]dnl
105])# LT_OPTION_DEFINE
106
107
108# dlopen
109# ------
110LT_OPTION_DEFINE([LT_INIT], [dlopen], [enable_dlopen=yes
111])
112
113AU_DEFUN([AC_LIBTOOL_DLOPEN],
114[_LT_SET_OPTION([LT_INIT], [dlopen])
115AC_DIAGNOSE([obsolete],
116[$0: Remove this warning and the call to _LT_SET_OPTION when you
117put the 'dlopen' option into LT_INIT's first parameter.])
118])
119
120dnl aclocal-1.4 backwards compatibility:
121dnl AC_DEFUN([AC_LIBTOOL_DLOPEN], [])
122
123
124# win32-dll
125# ---------
126# Declare package support for building win32 dll's.
127LT_OPTION_DEFINE([LT_INIT], [win32-dll],
128[enable_win32_dll=yes
129
130case $host in
131*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-cegcc*)
132  AC_CHECK_TOOL(AS, as, false)
133  AC_CHECK_TOOL(DLLTOOL, dlltool, false)
134  AC_CHECK_TOOL(OBJDUMP, objdump, false)
135  ;;
136esac
137
138test -z "$AS" && AS=as
139_LT_DECL([], [AS],      [1], [Assembler program])dnl
140
141test -z "$DLLTOOL" && DLLTOOL=dlltool
142_LT_DECL([], [DLLTOOL], [1], [DLL creation program])dnl
143
144test -z "$OBJDUMP" && OBJDUMP=objdump
145_LT_DECL([], [OBJDUMP], [1], [Object dumper program])dnl
146])# win32-dll
147
148AU_DEFUN([AC_LIBTOOL_WIN32_DLL],
149[AC_REQUIRE([AC_CANONICAL_HOST])dnl
150_LT_SET_OPTION([LT_INIT], [win32-dll])
151AC_DIAGNOSE([obsolete],
152[$0: Remove this warning and the call to _LT_SET_OPTION when you
153put the 'win32-dll' option into LT_INIT's first parameter.])
154])
155
156dnl aclocal-1.4 backwards compatibility:
157dnl AC_DEFUN([AC_LIBTOOL_WIN32_DLL], [])
158
159
160# _LT_ENABLE_SHARED([DEFAULT])
161# ----------------------------
162# implement the --enable-shared flag, and supports the 'shared' and
163# 'disable-shared' LT_INIT options.
164# DEFAULT is either 'yes' or 'no'.  If omitted, it defaults to 'yes'.
165m4_define([_LT_ENABLE_SHARED],
166[m4_define([_LT_ENABLE_SHARED_DEFAULT], [m4_if($1, no, no, yes)])dnl
167AC_ARG_ENABLE([shared],
168    [AS_HELP_STRING([--enable-shared@<:@=PKGS@:>@],
169        [build shared libraries @<:@default=]_LT_ENABLE_SHARED_DEFAULT[@:>@])],
170    [p=${PACKAGE-default}
171    case $enableval in
172    yes) enable_shared=yes ;;
173    no) enable_shared=no ;;
174    *)
175      enable_shared=no
176      # Look at the argument we got.  We use all the common list separators.
177      lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
178      for pkg in $enableval; do
179        IFS=$lt_save_ifs
180        if test "X$pkg" = "X$p"; then
181          enable_shared=yes
182        fi
183      done
184      IFS=$lt_save_ifs
185      ;;
186    esac],
187    [enable_shared=]_LT_ENABLE_SHARED_DEFAULT)
188
189    _LT_DECL([build_libtool_libs], [enable_shared], [0],
190        [Whether or not to build shared libraries])
191])# _LT_ENABLE_SHARED
192
193LT_OPTION_DEFINE([LT_INIT], [shared], [_LT_ENABLE_SHARED([yes])])
194LT_OPTION_DEFINE([LT_INIT], [disable-shared], [_LT_ENABLE_SHARED([no])])
195
196# Old names:
197AC_DEFUN([AC_ENABLE_SHARED],
198[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[shared])
199])
200
201AC_DEFUN([AC_DISABLE_SHARED],
202[_LT_SET_OPTION([LT_INIT], [disable-shared])
203])
204
205AU_DEFUN([AM_ENABLE_SHARED], [AC_ENABLE_SHARED($@)])
206AU_DEFUN([AM_DISABLE_SHARED], [AC_DISABLE_SHARED($@)])
207
208dnl aclocal-1.4 backwards compatibility:
209dnl AC_DEFUN([AM_ENABLE_SHARED], [])
210dnl AC_DEFUN([AM_DISABLE_SHARED], [])
211
212
213
214# _LT_ENABLE_STATIC([DEFAULT])
215# ----------------------------
216# implement the --enable-static flag, and support the 'static' and
217# 'disable-static' LT_INIT options.
218# DEFAULT is either 'yes' or 'no'.  If omitted, it defaults to 'yes'.
219m4_define([_LT_ENABLE_STATIC],
220[m4_define([_LT_ENABLE_STATIC_DEFAULT], [m4_if($1, no, no, yes)])dnl
221AC_ARG_ENABLE([static],
222    [AS_HELP_STRING([--enable-static@<:@=PKGS@:>@],
223        [build static libraries @<:@default=]_LT_ENABLE_STATIC_DEFAULT[@:>@])],
224    [p=${PACKAGE-default}
225    case $enableval in
226    yes) enable_static=yes ;;
227    no) enable_static=no ;;
228    *)
229     enable_static=no
230      # Look at the argument we got.  We use all the common list separators.
231      lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
232      for pkg in $enableval; do
233        IFS=$lt_save_ifs
234        if test "X$pkg" = "X$p"; then
235          enable_static=yes
236        fi
237      done
238      IFS=$lt_save_ifs
239      ;;
240    esac],
241    [enable_static=]_LT_ENABLE_STATIC_DEFAULT)
242
243    _LT_DECL([build_old_libs], [enable_static], [0],
244        [Whether or not to build static libraries])
245])# _LT_ENABLE_STATIC
246
247LT_OPTION_DEFINE([LT_INIT], [static], [_LT_ENABLE_STATIC([yes])])
248LT_OPTION_DEFINE([LT_INIT], [disable-static], [_LT_ENABLE_STATIC([no])])
249
250# Old names:
251AC_DEFUN([AC_ENABLE_STATIC],
252[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[static])
253])
254
255AC_DEFUN([AC_DISABLE_STATIC],
256[_LT_SET_OPTION([LT_INIT], [disable-static])
257])
258
259AU_DEFUN([AM_ENABLE_STATIC], [AC_ENABLE_STATIC($@)])
260AU_DEFUN([AM_DISABLE_STATIC], [AC_DISABLE_STATIC($@)])
261
262dnl aclocal-1.4 backwards compatibility:
263dnl AC_DEFUN([AM_ENABLE_STATIC], [])
264dnl AC_DEFUN([AM_DISABLE_STATIC], [])
265
266
267
268# _LT_ENABLE_FAST_INSTALL([DEFAULT])
269# ----------------------------------
270# implement the --enable-fast-install flag, and support the 'fast-install'
271# and 'disable-fast-install' LT_INIT options.
272# DEFAULT is either 'yes' or 'no'.  If omitted, it defaults to 'yes'.
273m4_define([_LT_ENABLE_FAST_INSTALL],
274[m4_define([_LT_ENABLE_FAST_INSTALL_DEFAULT], [m4_if($1, no, no, yes)])dnl
275AC_ARG_ENABLE([fast-install],
276    [AS_HELP_STRING([--enable-fast-install@<:@=PKGS@:>@],
277    [optimize for fast installation @<:@default=]_LT_ENABLE_FAST_INSTALL_DEFAULT[@:>@])],
278    [p=${PACKAGE-default}
279    case $enableval in
280    yes) enable_fast_install=yes ;;
281    no) enable_fast_install=no ;;
282    *)
283      enable_fast_install=no
284      # Look at the argument we got.  We use all the common list separators.
285      lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
286      for pkg in $enableval; do
287        IFS=$lt_save_ifs
288        if test "X$pkg" = "X$p"; then
289          enable_fast_install=yes
290        fi
291      done
292      IFS=$lt_save_ifs
293      ;;
294    esac],
295    [enable_fast_install=]_LT_ENABLE_FAST_INSTALL_DEFAULT)
296
297_LT_DECL([fast_install], [enable_fast_install], [0],
298         [Whether or not to optimize for fast installation])dnl
299])# _LT_ENABLE_FAST_INSTALL
300
301LT_OPTION_DEFINE([LT_INIT], [fast-install], [_LT_ENABLE_FAST_INSTALL([yes])])
302LT_OPTION_DEFINE([LT_INIT], [disable-fast-install], [_LT_ENABLE_FAST_INSTALL([no])])
303
304# Old names:
305AU_DEFUN([AC_ENABLE_FAST_INSTALL],
306[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[fast-install])
307AC_DIAGNOSE([obsolete],
308[$0: Remove this warning and the call to _LT_SET_OPTION when you put
309the 'fast-install' option into LT_INIT's first parameter.])
310])
311
312AU_DEFUN([AC_DISABLE_FAST_INSTALL],
313[_LT_SET_OPTION([LT_INIT], [disable-fast-install])
314AC_DIAGNOSE([obsolete],
315[$0: Remove this warning and the call to _LT_SET_OPTION when you put
316the 'disable-fast-install' option into LT_INIT's first parameter.])
317])
318
319dnl aclocal-1.4 backwards compatibility:
320dnl AC_DEFUN([AC_ENABLE_FAST_INSTALL], [])
321dnl AC_DEFUN([AM_DISABLE_FAST_INSTALL], [])
322
323
324# _LT_WITH_AIX_SONAME([DEFAULT])
325# ----------------------------------
326# implement the --with-aix-soname flag, and support the `aix-soname=aix'
327# and `aix-soname=both' and `aix-soname=svr4' LT_INIT options. DEFAULT
328# is either `aix', `both' or `svr4'.  If omitted, it defaults to `aix'.
329m4_define([_LT_WITH_AIX_SONAME],
330[m4_define([_LT_WITH_AIX_SONAME_DEFAULT], [m4_if($1, svr4, svr4, m4_if($1, both, both, aix))])dnl
331shared_archive_member_spec=
332case $host,$enable_shared in
333power*-*-aix[[5-9]]*,yes)
334  AC_MSG_CHECKING([which variant of shared library versioning to provide])
335  AC_ARG_WITH([aix-soname],
336    [AS_HELP_STRING([--with-aix-soname=aix|svr4|both],
337      [shared library versioning (aka "SONAME") variant to provide on AIX, @<:@default=]_LT_WITH_AIX_SONAME_DEFAULT[@:>@.])],
338    [case $withval in
339    aix|svr4|both)
340      ;;
341    *)
342      AC_MSG_ERROR([Unknown argument to --with-aix-soname])
343      ;;
344    esac
345    lt_cv_with_aix_soname=$with_aix_soname],
346    [AC_CACHE_VAL([lt_cv_with_aix_soname],
347      [lt_cv_with_aix_soname=]_LT_WITH_AIX_SONAME_DEFAULT)
348    with_aix_soname=$lt_cv_with_aix_soname])
349  AC_MSG_RESULT([$with_aix_soname])
350  if test aix != "$with_aix_soname"; then
351    # For the AIX way of multilib, we name the shared archive member
352    # based on the bitwidth used, traditionally 'shr.o' or 'shr_64.o',
353    # and 'shr.imp' or 'shr_64.imp', respectively, for the Import File.
354    # Even when GNU compilers ignore OBJECT_MODE but need '-maix64' flag,
355    # the AIX toolchain works better with OBJECT_MODE set (default 32).
356    if test 64 = "${OBJECT_MODE-32}"; then
357      shared_archive_member_spec=shr_64
358    else
359      shared_archive_member_spec=shr
360    fi
361  fi
362  ;;
363*)
364  with_aix_soname=aix
365  ;;
366esac
367
368_LT_DECL([], [shared_archive_member_spec], [0],
369    [Shared archive member basename, for filename based shared library versioning on AIX])dnl
370])# _LT_WITH_AIX_SONAME
371
372LT_OPTION_DEFINE([LT_INIT], [aix-soname=aix], [_LT_WITH_AIX_SONAME([aix])])
373LT_OPTION_DEFINE([LT_INIT], [aix-soname=both], [_LT_WITH_AIX_SONAME([both])])
374LT_OPTION_DEFINE([LT_INIT], [aix-soname=svr4], [_LT_WITH_AIX_SONAME([svr4])])
375
376
377# _LT_WITH_PIC([MODE])
378# --------------------
379# implement the --with-pic flag, and support the 'pic-only' and 'no-pic'
380# LT_INIT options.
381# MODE is either 'yes' or 'no'.  If omitted, it defaults to 'both'.
382m4_define([_LT_WITH_PIC],
383[AC_ARG_WITH([pic],
384    [AS_HELP_STRING([--with-pic@<:@=PKGS@:>@],
385        [try to use only PIC/non-PIC objects @<:@default=use both@:>@])],
386    [lt_p=${PACKAGE-default}
387    case $withval in
388    yes|no) pic_mode=$withval ;;
389    *)
390      pic_mode=default
391      # Look at the argument we got.  We use all the common list separators.
392      lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
393      for lt_pkg in $withval; do
394        IFS=$lt_save_ifs
395        if test "X$lt_pkg" = "X$lt_p"; then
396          pic_mode=yes
397        fi
398      done
399      IFS=$lt_save_ifs
400      ;;
401    esac],
402    [pic_mode=m4_default([$1], [default])])
403
404_LT_DECL([], [pic_mode], [0], [What type of objects to build])dnl
405])# _LT_WITH_PIC
406
407LT_OPTION_DEFINE([LT_INIT], [pic-only], [_LT_WITH_PIC([yes])])
408LT_OPTION_DEFINE([LT_INIT], [no-pic], [_LT_WITH_PIC([no])])
409
410# Old name:
411AU_DEFUN([AC_LIBTOOL_PICMODE],
412[_LT_SET_OPTION([LT_INIT], [pic-only])
413AC_DIAGNOSE([obsolete],
414[$0: Remove this warning and the call to _LT_SET_OPTION when you
415put the 'pic-only' option into LT_INIT's first parameter.])
416])
417
418dnl aclocal-1.4 backwards compatibility:
419dnl AC_DEFUN([AC_LIBTOOL_PICMODE], [])
420
421## ----------------- ##
422## LTDL_INIT Options ##
423## ----------------- ##
424
425m4_define([_LTDL_MODE], [])
426LT_OPTION_DEFINE([LTDL_INIT], [nonrecursive],
427                 [m4_define([_LTDL_MODE], [nonrecursive])])
428LT_OPTION_DEFINE([LTDL_INIT], [recursive],
429                 [m4_define([_LTDL_MODE], [recursive])])
430LT_OPTION_DEFINE([LTDL_INIT], [subproject],
431                 [m4_define([_LTDL_MODE], [subproject])])
432
433m4_define([_LTDL_TYPE], [])
434LT_OPTION_DEFINE([LTDL_INIT], [installable],
435                 [m4_define([_LTDL_TYPE], [installable])])
436LT_OPTION_DEFINE([LTDL_INIT], [convenience],
437                 [m4_define([_LTDL_TYPE], [convenience])])
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