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1 | # |
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2 | # Copyright (c) 1998 Etienne Bernard |
3 | # Copyright (c) 2002 Clinton Ebadi |
4 | # |
5 | |
6 | # Check if we have a decent C++ compiler |
7 | # that supports Standard Template Library (STL) |
8 | AC_DEFUN(AC_CPP_STL, |
9 | [ |
10 | AC_MSG_CHECKING([for STL support]) |
11 | |
12 | AC_CACHE_VAL(ac_cv_cpp_stl, |
13 | [ |
14 | AC_LANG_CPLUSPLUS |
15 | cat > conftest.$ac_ext <<EOF |
16 | #include <list> |
17 | int main() { |
18 | std::list<int> l; |
19 | return 0; |
20 | }; |
21 | EOF |
22 | |
23 | |
24 | if AC_TRY_EVAL(ac_link) && test -s conftest; then |
25 | ac_cv_cpp_stl="have_stl=yes" |
26 | else |
27 | ac_cv_cpp_stl="have_stl=no" |
28 | fi |
29 | rm -f conftest* |
30 | ])dnl |
31 | eval "$ac_cv_cpp_stl" |
32 | |
33 | AC_MSG_RESULT([$have_stl]) |
34 | |
35 | if test "$have_stl" != "yes"; then |
36 | AC_MSG_ERROR([Sorry, you need STL support with your compiler]) |
37 | fi |
38 | ]) |
39 | |
40 | |
41 | # Check is compiler has ios_base |
42 | AC_DEFUN(AC_CPP_STL_IOSBASE, |
43 | [ |
44 | AC_MSG_CHECKING([for std::ios_base in iostreams]) |
45 | |
46 | AC_CACHE_VAL(ac_cv_cpp_iosbase, |
47 | [ |
48 | AC_LANG_CPLUSPLUS |
49 | cat > conftest.$ac_ext <<EOF |
50 | #include <iostream> |
51 | #include <fstream> |
52 | int main() { |
53 | std::ifstream file ("README", std::ios_base::in); |
54 | return 0; |
55 | }; |
56 | EOF |
57 | |
58 | if AC_TRY_EVAL(ac_link) && test -s conftest; then |
59 | ac_cv_cpp_iosbase="have_iosbase=yes" |
60 | else |
61 | ac_cv_cpp_iosbase="have_iosbase=no" |
62 | fi |
63 | rm -f conftest* |
64 | ])dnl |
65 | eval "$ac_cv_cpp_iosbase" |
66 | |
67 | AC_MSG_RESULT([$have_iosbase]) |
68 | |
69 | if test "$have_iosbase" = "yes"; then |
70 | HAVE_IOSBASE="-DHAVE_IOSBASE" |
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71 | AC_DEFINE(HAVE_IOSBASE,1, [std::ios_base]) |
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72 | else |
73 | AC_DEFINE(HAVE_IOSBASE,0) |
74 | fi |
75 | ]) |
76 | |
77 | # Check if STL elements support the clear() method |
78 | AC_DEFUN(AC_CPP_STL_CLEAR, |
79 | [ |
80 | AC_MSG_CHECKING([for clear() method in STL objects]) |
81 | |
82 | AC_CACHE_VAL(ac_cv_cpp_stl_clear, |
83 | [ |
84 | AC_LANG_CPLUSPLUS |
85 | cat > conftest.$ac_ext <<EOF |
86 | #include <map> |
87 | int main() { |
88 | std::map<int, int, std::less<int> > m; |
89 | m.clear(); |
90 | return 0; |
91 | }; |
92 | EOF |
93 | |
94 | if AC_TRY_EVAL(ac_link) && test -s conftest; then |
95 | ac_cv_cpp_stl_clear="have_stl_clear=yes" |
96 | else |
97 | ac_cv_cpp_stl_clear="have_stl_clear=no" |
98 | fi |
99 | rm -f conftest* |
100 | ])dnl |
101 | eval "$ac_cv_cpp_stl_clear" |
102 | |
103 | AC_MSG_RESULT([$have_stl_clear]) |
104 | |
105 | if test "$have_stl_clear" = "yes"; then |
106 | HAVE_STL_CLEAR="-DHAVE_STL_CLEAR" |
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107 | AC_DEFINE(HAVE_STL_CLEAR,1, [STL Objects have a clear method]) |
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108 | fi |
109 | ]) |
110 | ## Autoconf macros for working with Guile. |
111 | ## |
112 | ## Copyright (C) 1998,2001 Free Software Foundation, Inc. |
113 | ## |
114 | ## This program is free software; you can redistribute it and/or modify |
115 | ## it under the terms of the GNU General Public License as published by |
116 | ## the Free Software Foundation; either version 2, or (at your option) |
117 | ## any later version. |
118 | ## |
119 | ## This program is distributed in the hope that it will be useful, |
120 | ## but WITHOUT ANY WARRANTY; without even the implied warranty of |
121 | ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
122 | ## GNU General Public License for more details. |
123 | ## |
124 | ## You should have received a copy of the GNU General Public License |
125 | ## along with this software; see the file COPYING. If not, write to |
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126 | ## the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
127 | ## Boston, MA 02110-1301 USA |
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128 | ## |
129 | ## As a special exception, the Free Software Foundation gives permission |
130 | ## for additional uses of the text contained in its release of GUILE. |
131 | ## |
132 | ## The exception is that, if you link the GUILE library with other files |
133 | ## to produce an executable, this does not by itself cause the |
134 | ## resulting executable to be covered by the GNU General Public License. |
135 | ## Your use of that executable is in no way restricted on account of |
136 | ## linking the GUILE library code into it. |
137 | ## |
138 | ## This exception does not however invalidate any other reasons why |
139 | ## the executable file might be covered by the GNU General Public License. |
140 | ## |
141 | ## This exception applies only to the code released by the |
142 | ## Free Software Foundation under the name GUILE. If you copy |
143 | ## code from other Free Software Foundation releases into a copy of |
144 | ## GUILE, as the General Public License permits, the exception does |
145 | ## not apply to the code that you add in this way. To avoid misleading |
146 | ## anyone as to the status of such modified files, you must delete |
147 | ## this exception notice from them. |
148 | ## |
149 | ## If you write modifications of your own for GUILE, it is your choice |
150 | ## whether to permit this exception to apply to your modifications. |
151 | ## If you do not wish that, delete this exception notice. |
152 | |
153 | ## Index |
154 | ## ----- |
155 | ## |
156 | ## GUILE_PROGS -- set paths to Guile interpreter, config and tool programs |
157 | ## GUILE_FLAGS -- set flags for compiling and linking with Guile |
158 | ## GUILE_SITE_DIR -- find path to Guile "site" directory |
159 | ## GUILE_CHECK -- evaluate Guile Scheme code and capture the return value |
160 | ## GUILE_MODULE_CHECK -- check feature of a Guile Scheme module |
161 | ## GUILE_MODULE_AVAILABLE -- check availability of a Guile Scheme module |
162 | ## GUILE_MODULE_REQUIRED -- fail if a Guile Scheme module is unavailable |
163 | ## GUILE_MODULE_EXPORTS -- check if a module exports a variable |
164 | ## GUILE_MODULE_REQUIRED_EXPORT -- fail if a module doesn't export a variable |
165 | |
166 | ## Code |
167 | ## ---- |
168 | |
169 | ## NOTE: Comments preceding an AC_DEFUN (starting from "Usage:") are massaged |
170 | ## into doc/ref/autoconf-macros.texi (see Makefile.am in that directory). |
171 | |
172 | # GUILE_PROGS -- set paths to Guile interpreter, config and tool programs |
173 | # |
174 | # Usage: GUILE_PROGS |
175 | # |
176 | # This macro looks for programs @code{guile}, @code{guile-config} and |
177 | # @code{guile-tools}, and sets variables @var{GUILE}, @var{GUILE_CONFIG} and |
178 | # @var{GUILE_TOOLS}, to their paths, respectively. If either of the first two |
179 | # is not found, signal error. |
180 | # |
181 | # The variables are marked for substitution, as by @code{AC_SUBST}. |
182 | # |
183 | AC_DEFUN([GUILE_PROGS], |
184 | [AC_PATH_PROG(GUILE,guile) |
185 | if test "$GUILE" = "" ; then |
186 | AC_MSG_ERROR([guile required but not found]) |
187 | fi |
188 | AC_SUBST(GUILE) |
189 | AC_PATH_PROG(GUILE_CONFIG,guile-config) |
190 | if test "$GUILE_CONFIG" = "" ; then |
191 | AC_MSG_ERROR([guile-config required but not found]) |
192 | fi |
193 | AC_SUBST(GUILE_CONFIG) |
194 | AC_PATH_PROG(GUILE_TOOLS,guile-tools) |
195 | AC_SUBST(GUILE_TOOLS) |
196 | ]) |
197 | |
198 | # GUILE_FLAGS -- set flags for compiling and linking with Guile |
199 | # |
200 | # Usage: GUILE_FLAGS |
201 | # |
202 | # This macro runs the @code{guile-config} script, installed with Guile, to |
203 | # find out where Guile's header files and libraries are installed. It sets |
204 | # two variables, @var{GUILE_CFLAGS} and @var{GUILE_LDFLAGS}. |
205 | # |
206 | # @var{GUILE_CFLAGS}: flags to pass to a C or C++ compiler to build code that |
207 | # uses Guile header files. This is almost always just a @code{-I} flag. |
208 | # |
209 | # @var{GUILE_LDFLAGS}: flags to pass to the linker to link a program against |
210 | # Guile. This includes @code{-lguile} for the Guile library itself, any |
211 | # libraries that Guile itself requires (like -lqthreads), and so on. It may |
212 | # also include a @code{-L} flag to tell the compiler where to find the |
213 | # libraries. |
214 | # |
215 | # The variables are marked for substitution, as by @code{AC_SUBST}. |
216 | # |
217 | AC_DEFUN([GUILE_FLAGS], |
218 | [AC_REQUIRE([GUILE_PROGS])dnl |
219 | AC_MSG_CHECKING([libguile compile flags]) |
220 | GUILE_CFLAGS="`$GUILE_CONFIG compile`" |
221 | AC_MSG_RESULT([$GUILE_CFLAGS]) |
222 | AC_MSG_CHECKING([libguile link flags]) |
223 | GUILE_LDFLAGS="`$GUILE_CONFIG link`" |
224 | AC_MSG_RESULT([$GUILE_LDFLAGS]) |
225 | AC_SUBST(GUILE_CFLAGS) |
226 | AC_SUBST(GUILE_LDFLAGS) |
227 | ]) |
228 | |
229 | # GUILE_SITE_DIR -- find path to Guile "site" directory |
230 | # |
231 | # Usage: GUILE_SITE_DIR |
232 | # |
233 | # This looks for Guile's "site" directory, usually something like |
234 | # PREFIX/share/guile/site, and sets var @var{GUILE_SITE} to the path. |
235 | # Note that the var name is different from the macro name. |
236 | # |
237 | # The variable is marked for substitution, as by @code{AC_SUBST}. |
238 | # |
239 | AC_DEFUN([GUILE_SITE_DIR], |
240 | [AC_REQUIRE([GUILE_PROGS])dnl |
241 | AC_MSG_CHECKING(for Guile site directory) |
242 | GUILE_SITE=`[$GUILE_CONFIG] info pkgdatadir`/site |
243 | AC_MSG_RESULT($GUILE_SITE) |
244 | AC_SUBST(GUILE_SITE) |
245 | ]) |
246 | |
247 | # GUILE_CHECK -- evaluate Guile Scheme code and capture the return value |
248 | # |
249 | # Usage: GUILE_CHECK_RETVAL(var,check) |
250 | # |
251 | # @var{var} is a shell variable name to be set to the return value. |
252 | # @var{check} is a Guile Scheme expression, evaluated with "$GUILE -c", and |
253 | # returning either 0 or non-#f to indicate the check passed. |
254 | # Non-0 number or #f indicates failure. |
255 | # Avoid using the character "#" since that confuses autoconf. |
256 | # |
257 | AC_DEFUN([GUILE_CHECK], |
258 | [AC_REQUIRE([GUILE_PROGS]) |
259 | $GUILE -c "$2" > /dev/null 2>&1 |
260 | $1=$? |
261 | ]) |
262 | |
263 | # GUILE_MODULE_CHECK -- check feature of a Guile Scheme module |
264 | # |
265 | # Usage: GUILE_MODULE_CHECK(var,module,featuretest,description) |
266 | # |
267 | # @var{var} is a shell variable name to be set to "yes" or "no". |
268 | # @var{module} is a list of symbols, like: (ice-9 common-list). |
269 | # @var{featuretest} is an expression acceptable to GUILE_CHECK, q.v. |
270 | # @var{description} is a present-tense verb phrase (passed to AC_MSG_CHECKING). |
271 | # |
272 | AC_DEFUN([GUILE_MODULE_CHECK], |
273 | [AC_MSG_CHECKING([if $2 $4]) |
274 | GUILE_CHECK($1,(use-modules $2) (exit ((lambda () $3)))) |
275 | if test "$$1" = "0" ; then $1=yes ; else $1=no ; fi |
276 | AC_MSG_RESULT($$1) |
277 | ]) |
278 | |
279 | # GUILE_MODULE_AVAILABLE -- check availability of a Guile Scheme module |
280 | # |
281 | # Usage: GUILE_MODULE_AVAILABLE(var,module) |
282 | # |
283 | # @var{var} is a shell variable name to be set to "yes" or "no". |
284 | # @var{module} is a list of symbols, like: (ice-9 common-list). |
285 | # |
286 | AC_DEFUN([GUILE_MODULE_AVAILABLE], |
287 | [GUILE_MODULE_CHECK($1,$2,0,is available) |
288 | ]) |
289 | |
290 | # GUILE_MODULE_REQUIRED -- fail if a Guile Scheme module is unavailable |
291 | # |
292 | # Usage: GUILE_MODULE_REQUIRED(symlist) |
293 | # |
294 | # @var{symlist} is a list of symbols, WITHOUT surrounding parens, |
295 | # like: ice-9 common-list. |
296 | # |
297 | AC_DEFUN([GUILE_MODULE_REQUIRED], |
298 | [GUILE_MODULE_AVAILABLE(ac_guile_module_required, ($1)) |
299 | if test "$ac_guile_module_required" = "no" ; then |
300 | AC_MSG_ERROR([required guile module not found: ($1)]) |
301 | fi |
302 | ]) |
303 | |
304 | # GUILE_MODULE_EXPORTS -- check if a module exports a variable |
305 | # |
306 | # Usage: GUILE_MODULE_EXPORTS(var,module,modvar) |
307 | # |
308 | # @var{var} is a shell variable to be set to "yes" or "no". |
309 | # @var{module} is a list of symbols, like: (ice-9 common-list). |
310 | # @var{modvar} is the Guile Scheme variable to check. |
311 | # |
312 | AC_DEFUN([GUILE_MODULE_EXPORTS], |
313 | [GUILE_MODULE_CHECK($1,$2,$3,exports `$3') |
314 | ]) |
315 | |
316 | # GUILE_MODULE_REQUIRED_EXPORT -- fail if a module doesn't export a variable |
317 | # |
318 | # Usage: GUILE_MODULE_REQUIRED_EXPORT(module,modvar) |
319 | # |
320 | # @var{module} is a list of symbols, like: (ice-9 common-list). |
321 | # @var{modvar} is the Guile Scheme variable to check. |
322 | # |
323 | AC_DEFUN([GUILE_MODULE_REQUIRED_EXPORT], |
324 | [GUILE_MODULE_EXPORTS(guile_module_required_export,$1,$2) |
325 | if test "$guile_module_required_export" = "no" ; then |
326 | AC_MSG_ERROR([module $1 does not export $2; required]) |
327 | fi |
328 | ]) |
329 | |
330 | ## guile.m4 ends here |