]> git.ipfire.org Git - thirdparty/gcc.git/blame - ltoptions.m4
rtlanal: Fix set_noop_p for volatile loads or stores [PR114768]
[thirdparty/gcc.git] / ltoptions.m4
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1cf3d07d 1# Helper functions for option handling. -*- Autoconf -*-
ae11dff4 2#
43e02a8a
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3# Copyright (C) 2004, 2005, 2007, 2008, 2009 Free Software Foundation,
4# Inc.
ae11dff4 5# Written by Gary V. Vaughan, 2004
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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
ae11dff4 11# serial 6 ltoptions.m4
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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
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17# _LT_MANGLE_OPTION(MACRO-NAME, OPTION-NAME)
18# ------------------------------------------
1cf3d07d 19m4_define([_LT_MANGLE_OPTION],
ae11dff4 20[[_LT_OPTION_]m4_bpatsubst($1__$2, [[^a-zA-Z0-9_]], [_])])
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21
22
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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.
1cf3d07d 28m4_define([_LT_SET_OPTION],
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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
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33])
34
35
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36# _LT_IF_OPTION(MACRO-NAME, OPTION-NAME, IF-SET, [IF-NOT-SET])
37# ------------------------------------------------------------
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38# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
39m4_define([_LT_IF_OPTION],
ae11dff4 40[m4_ifdef(_LT_MANGLE_OPTION([$1], [$2]), [$3], [$4])])
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41
42
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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.
1cf3d07d 47m4_define([_LT_UNLESS_OPTIONS],
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48[m4_foreach([_LT_Option], m4_split(m4_normalize([$2])),
49 [m4_ifdef(_LT_MANGLE_OPTION([$1], _LT_Option),
1cf3d07d 50 [m4_define([$0_found])])])[]dnl
ae11dff4 51m4_ifdef([$0_found], [m4_undefine([$0_found])], [$3
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52])[]dnl
53])
54
55
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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.
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62m4_defun([_LT_SET_OPTIONS],
63[# Set options
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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 ])
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86])# _LT_SET_OPTIONS
87
88
89## --------------------------------- ##
90## Macros to handle LT_INIT options. ##
91## --------------------------------- ##
92
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93# _LT_MANGLE_DEFUN(MACRO-NAME, OPTION-NAME)
94# -----------------------------------------
1cf3d07d 95m4_define([_LT_MANGLE_DEFUN],
ae11dff4 96[[_LT_OPTION_DEFUN_]m4_bpatsubst(m4_toupper([$1__$2]), [[^A-Z0-9_]], [_])])
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97
98
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99# LT_OPTION_DEFINE(MACRO-NAME, OPTION-NAME, CODE)
100# -----------------------------------------------
1cf3d07d 101m4_define([LT_OPTION_DEFINE],
ae11dff4 102[m4_define(_LT_MANGLE_DEFUN([$1], [$2]), [$3])[]dnl
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103])# LT_OPTION_DEFINE
104
105
106# dlopen
107# ------
ae11dff4 108LT_OPTION_DEFINE([LT_INIT], [dlopen], [enable_dlopen=yes
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109])
110
111AU_DEFUN([AC_LIBTOOL_DLOPEN],
ae11dff4 112[_LT_SET_OPTION([LT_INIT], [dlopen])
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113AC_DIAGNOSE([obsolete],
114[$0: Remove this warning and the call to _LT_SET_OPTION when you
115put the `dlopen' option into LT_INIT's first parameter.])
116])
117
118dnl aclocal-1.4 backwards compatibility:
119dnl AC_DEFUN([AC_LIBTOOL_DLOPEN], [])
120
121
122# win32-dll
123# ---------
124# Declare package support for building win32 dll's.
ae11dff4 125LT_OPTION_DEFINE([LT_INIT], [win32-dll],
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126[enable_win32_dll=yes
127
128case $host in
43e02a8a 129*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-cegcc*)
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130 AC_CHECK_TOOL(AS, as, false)
131 AC_CHECK_TOOL(DLLTOOL, dlltool, false)
132 AC_CHECK_TOOL(OBJDUMP, objdump, false)
133 ;;
134esac
135
136test -z "$AS" && AS=as
43e02a8a 137_LT_DECL([], [AS], [1], [Assembler program])dnl
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138
139test -z "$DLLTOOL" && DLLTOOL=dlltool
43e02a8a 140_LT_DECL([], [DLLTOOL], [1], [DLL creation program])dnl
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141
142test -z "$OBJDUMP" && OBJDUMP=objdump
43e02a8a 143_LT_DECL([], [OBJDUMP], [1], [Object dumper program])dnl
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144])# win32-dll
145
146AU_DEFUN([AC_LIBTOOL_WIN32_DLL],
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147[AC_REQUIRE([AC_CANONICAL_HOST])dnl
148_LT_SET_OPTION([LT_INIT], [win32-dll])
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149AC_DIAGNOSE([obsolete],
150[$0: Remove this warning and the call to _LT_SET_OPTION when you
151put the `win32-dll' option into LT_INIT's first parameter.])
152])
153
154dnl aclocal-1.4 backwards compatibility:
155dnl AC_DEFUN([AC_LIBTOOL_WIN32_DLL], [])
156
157
158# _LT_ENABLE_SHARED([DEFAULT])
159# ----------------------------
160# implement the --enable-shared flag, and supports the `shared' and
161# `disable-shared' LT_INIT options.
162# DEFAULT is either `yes' or `no'. If omitted, it defaults to `yes'.
163m4_define([_LT_ENABLE_SHARED],
164[m4_define([_LT_ENABLE_SHARED_DEFAULT], [m4_if($1, no, no, yes)])dnl
165AC_ARG_ENABLE([shared],
166 [AS_HELP_STRING([--enable-shared@<:@=PKGS@:>@],
167 [build shared libraries @<:@default=]_LT_ENABLE_SHARED_DEFAULT[@:>@])],
168 [p=${PACKAGE-default}
169 case $enableval in
170 yes) enable_shared=yes ;;
171 no) enable_shared=no ;;
172 *)
173 enable_shared=no
174 # Look at the argument we got. We use all the common list separators.
175 lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
176 for pkg in $enableval; do
177 IFS="$lt_save_ifs"
178 if test "X$pkg" = "X$p"; then
179 enable_shared=yes
180 fi
181 done
182 IFS="$lt_save_ifs"
183 ;;
184 esac],
185 [enable_shared=]_LT_ENABLE_SHARED_DEFAULT)
186
187 _LT_DECL([build_libtool_libs], [enable_shared], [0],
188 [Whether or not to build shared libraries])
189])# _LT_ENABLE_SHARED
190
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191LT_OPTION_DEFINE([LT_INIT], [shared], [_LT_ENABLE_SHARED([yes])])
192LT_OPTION_DEFINE([LT_INIT], [disable-shared], [_LT_ENABLE_SHARED([no])])
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193
194# Old names:
195AC_DEFUN([AC_ENABLE_SHARED],
ae11dff4 196[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[shared])
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197])
198
199AC_DEFUN([AC_DISABLE_SHARED],
ae11dff4 200[_LT_SET_OPTION([LT_INIT], [disable-shared])
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201])
202
203AU_DEFUN([AM_ENABLE_SHARED], [AC_ENABLE_SHARED($@)])
204AU_DEFUN([AM_DISABLE_SHARED], [AC_DISABLE_SHARED($@)])
205
206dnl aclocal-1.4 backwards compatibility:
207dnl AC_DEFUN([AM_ENABLE_SHARED], [])
208dnl AC_DEFUN([AM_DISABLE_SHARED], [])
209
210
211
212# _LT_ENABLE_STATIC([DEFAULT])
213# ----------------------------
214# implement the --enable-static flag, and support the `static' and
215# `disable-static' LT_INIT options.
216# DEFAULT is either `yes' or `no'. If omitted, it defaults to `yes'.
217m4_define([_LT_ENABLE_STATIC],
218[m4_define([_LT_ENABLE_STATIC_DEFAULT], [m4_if($1, no, no, yes)])dnl
219AC_ARG_ENABLE([static],
220 [AS_HELP_STRING([--enable-static@<:@=PKGS@:>@],
221 [build static libraries @<:@default=]_LT_ENABLE_STATIC_DEFAULT[@:>@])],
222 [p=${PACKAGE-default}
223 case $enableval in
224 yes) enable_static=yes ;;
225 no) enable_static=no ;;
226 *)
227 enable_static=no
228 # Look at the argument we got. We use all the common list separators.
229 lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
230 for pkg in $enableval; do
231 IFS="$lt_save_ifs"
232 if test "X$pkg" = "X$p"; then
233 enable_static=yes
234 fi
235 done
236 IFS="$lt_save_ifs"
237 ;;
238 esac],
239 [enable_static=]_LT_ENABLE_STATIC_DEFAULT)
240
241 _LT_DECL([build_old_libs], [enable_static], [0],
242 [Whether or not to build static libraries])
243])# _LT_ENABLE_STATIC
244
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245LT_OPTION_DEFINE([LT_INIT], [static], [_LT_ENABLE_STATIC([yes])])
246LT_OPTION_DEFINE([LT_INIT], [disable-static], [_LT_ENABLE_STATIC([no])])
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247
248# Old names:
249AC_DEFUN([AC_ENABLE_STATIC],
ae11dff4 250[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[static])
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251])
252
253AC_DEFUN([AC_DISABLE_STATIC],
ae11dff4 254[_LT_SET_OPTION([LT_INIT], [disable-static])
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255])
256
257AU_DEFUN([AM_ENABLE_STATIC], [AC_ENABLE_STATIC($@)])
258AU_DEFUN([AM_DISABLE_STATIC], [AC_DISABLE_STATIC($@)])
259
260dnl aclocal-1.4 backwards compatibility:
261dnl AC_DEFUN([AM_ENABLE_STATIC], [])
262dnl AC_DEFUN([AM_DISABLE_STATIC], [])
263
264
265
266# _LT_ENABLE_FAST_INSTALL([DEFAULT])
267# ----------------------------------
268# implement the --enable-fast-install flag, and support the `fast-install'
269# and `disable-fast-install' LT_INIT options.
270# DEFAULT is either `yes' or `no'. If omitted, it defaults to `yes'.
271m4_define([_LT_ENABLE_FAST_INSTALL],
272[m4_define([_LT_ENABLE_FAST_INSTALL_DEFAULT], [m4_if($1, no, no, yes)])dnl
273AC_ARG_ENABLE([fast-install],
274 [AS_HELP_STRING([--enable-fast-install@<:@=PKGS@:>@],
275 [optimize for fast installation @<:@default=]_LT_ENABLE_FAST_INSTALL_DEFAULT[@:>@])],
276 [p=${PACKAGE-default}
277 case $enableval in
278 yes) enable_fast_install=yes ;;
279 no) enable_fast_install=no ;;
280 *)
281 enable_fast_install=no
282 # Look at the argument we got. We use all the common list separators.
283 lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
284 for pkg in $enableval; do
285 IFS="$lt_save_ifs"
286 if test "X$pkg" = "X$p"; then
287 enable_fast_install=yes
288 fi
289 done
290 IFS="$lt_save_ifs"
291 ;;
292 esac],
293 [enable_fast_install=]_LT_ENABLE_FAST_INSTALL_DEFAULT)
294
295_LT_DECL([fast_install], [enable_fast_install], [0],
296 [Whether or not to optimize for fast installation])dnl
297])# _LT_ENABLE_FAST_INSTALL
298
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299LT_OPTION_DEFINE([LT_INIT], [fast-install], [_LT_ENABLE_FAST_INSTALL([yes])])
300LT_OPTION_DEFINE([LT_INIT], [disable-fast-install], [_LT_ENABLE_FAST_INSTALL([no])])
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301
302# Old names:
303AU_DEFUN([AC_ENABLE_FAST_INSTALL],
ae11dff4 304[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[fast-install])
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305AC_DIAGNOSE([obsolete],
306[$0: Remove this warning and the call to _LT_SET_OPTION when you put
307the `fast-install' option into LT_INIT's first parameter.])
308])
309
310AU_DEFUN([AC_DISABLE_FAST_INSTALL],
ae11dff4 311[_LT_SET_OPTION([LT_INIT], [disable-fast-install])
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312AC_DIAGNOSE([obsolete],
313[$0: Remove this warning and the call to _LT_SET_OPTION when you put
314the `disable-fast-install' option into LT_INIT's first parameter.])
315])
316
317dnl aclocal-1.4 backwards compatibility:
318dnl AC_DEFUN([AC_ENABLE_FAST_INSTALL], [])
319dnl AC_DEFUN([AM_DISABLE_FAST_INSTALL], [])
320
321
322# _LT_WITH_PIC([MODE])
323# --------------------
324# implement the --with-pic flag, and support the `pic-only' and `no-pic'
325# LT_INIT options.
326# MODE is either `yes' or `no'. If omitted, it defaults to `both'.
327m4_define([_LT_WITH_PIC],
328[AC_ARG_WITH([pic],
329 [AS_HELP_STRING([--with-pic],
330 [try to use only PIC/non-PIC objects @<:@default=use both@:>@])],
331 [pic_mode="$withval"],
332 [pic_mode=default])
333
334test -z "$pic_mode" && pic_mode=m4_default([$1], [default])
335
336_LT_DECL([], [pic_mode], [0], [What type of objects to build])dnl
337])# _LT_WITH_PIC
338
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339LT_OPTION_DEFINE([LT_INIT], [pic-only], [_LT_WITH_PIC([yes])])
340LT_OPTION_DEFINE([LT_INIT], [no-pic], [_LT_WITH_PIC([no])])
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341
342# Old name:
343AU_DEFUN([AC_LIBTOOL_PICMODE],
ae11dff4 344[_LT_SET_OPTION([LT_INIT], [pic-only])
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345AC_DIAGNOSE([obsolete],
346[$0: Remove this warning and the call to _LT_SET_OPTION when you
347put the `pic-only' option into LT_INIT's first parameter.])
348])
349
350dnl aclocal-1.4 backwards compatibility:
351dnl AC_DEFUN([AC_LIBTOOL_PICMODE], [])
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352
353## ----------------- ##
354## LTDL_INIT Options ##
355## ----------------- ##
356
357m4_define([_LTDL_MODE], [])
358LT_OPTION_DEFINE([LTDL_INIT], [nonrecursive],
359 [m4_define([_LTDL_MODE], [nonrecursive])])
360LT_OPTION_DEFINE([LTDL_INIT], [recursive],
361 [m4_define([_LTDL_MODE], [recursive])])
362LT_OPTION_DEFINE([LTDL_INIT], [subproject],
363 [m4_define([_LTDL_MODE], [subproject])])
364
365m4_define([_LTDL_TYPE], [])
366LT_OPTION_DEFINE([LTDL_INIT], [installable],
367 [m4_define([_LTDL_TYPE], [installable])])
368LT_OPTION_DEFINE([LTDL_INIT], [convenience],
369 [m4_define([_LTDL_TYPE], [convenience])])