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yat.m4 @ 2320

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Last change on this file since 2320 was 2320, checked in by Peter, 13 years ago
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1	## $Id: yat.m4 2320 2010-08-24 18:45:33Z peter $
2
3	# SYNOPSIS
4	#
5	# YAT_CHECK_YAT([MINIMUM-VERSION], [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
6	#
7	# DESCRIPTION
8	#
9	# Test yat library of a particular version
10	#
11	# This macro file can be used by applications to find and use the
12	# yat library.
13	#
14	# Note: macros in this file assume that yat-config has been
15	# installed. yat-config was introduced in yat 0.5 and
16	# consequently these macros do not work with yat 0.4.x (or
17	# older).
18	#
19	# This macro calls:
20	#
21	# AC_SUBST(YAT_CPPFLAGS)
22	# AC_SUBST(YAT_CXXFLAGS)
23	# AC_SUBST(YAT_LDFLAGS)
24	# AC_SUBST(YAT_LIBS)
25	# AC_SUBST(YAT_LA_FILE)
26	# AC_SUBST(YAT_LT_ADD)
27	#
28	# defines:
29	#
30	# HAVE_YAT
31	#
32	# and sets the following variable:
33	#
34	# yat_config: If yat-config exists, $yat_config refers to it,
35	# otherwise $yat_config is set to "no".
36	#
37	#
38	# YAT_CHECK_YAT is split into sub-macros:
39	#
40	# YAT_FIND_YAT()
41	# YAT_CHECK_VERSION([MINIMUM-VERSION])
42	# YAT_CHECK_HEADER()
43	# YAT_CHECK_LIB()
44	#
45	# so when preferable, you can call any of these instead.
46	#
47	#
48	# YAT_FIND_YAT([ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
49	#
50	# Finds the yat-config scripts. If there is no --with-yat
51	# specified, it will look in the PATH. Sets a shell variable
52	# $yat_config. $yat_config is required for the other macros and
53	# therefore if YAT_FIND_YAT has not been called, they will call
54	# YAT_FIND_YAT. If --without-yat (or equivalently --with-yat=no)
55	# is given, all tests and actions are turned off.
56	#
57	#
58	# YAT_CHECK_VERSION([MINIMUM-VERSION],[ACTION-IF-FOUND],[ACTION-IF-NOT-FOUND])
59	#
60	# If the version of yat is at least MINIMUM-VERSION, execute
61	# ACTION-IF-FOUND, otherwise execute ACTION-IF-NOT-FOUND.
62	#
63	#
64	# YAT_CHECK_HEADER([ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
65	#
66	# If yat headers are found and compilable, call
67	# AC_SUBST(YAT_CPPFLAGS) and AC_SUBST(YAT_CXXFLAGS), define
68	# HAVE_YAT, execute ACTION-IF-FOUND. If test compilation failed
69	# execute ACTION-IF-NOT-FOUND.
70	#
71	#
72	# YAT_CHECK_LIB([ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
73	#
74	# Compile a small program and link it to yat. On success call
75	# AC_SUBST(YAT_LDFLAGS), AC_SUBST(YAT_LIBS), AC_SUBST(YAT_LT_ADD),
76	# and AC_SUBST(YAT_LA_FILE), and define HAVE_YAT, and execute
77	# ACTION-IF-FOUND. On failure execute ACTION-IF-NOT-FOUND.
78	#
79	#
80	#
81	# LAST MODIFICATION
82	#
83	# $Date: 2010-08-24 18:45:33 +0000 (Tue, 24 Aug 2010) $
84	#
85	# COPYLEFT
86	#
87	# Copyright (C) 2008 Jari Häkkinen, Peter Johansson
88	# Copyright (C) 2009, 2010 Peter Johansson
89	#
90	# This file is part of the yat library, http://dev.thep.lu.se/yat
91	#
92	# The yat library is free software; you can redistribute it and/or
93	# modify it under the terms of the GNU General Public License as
94	# published by the Free Software Foundation; either version 3 of the
95	# License, or (at your option) any later version.
96	#
97	# The yat library is distributed in the hope that it will be useful,
98	# but WITHOUT ANY WARRANTY; without even the implied warranty of
99	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
100	# General Public License for more details.
101	#
102	# You should have received a copy of the GNU General Public License
103	# along with yat. If not, see <http://www.gnu.org/licenses/>.
104	#
105
106	#
107	# serial 4 # version number of yat.m4
108	#
109	# see http://www.gnu.org/software/automake/manual/automake.html#Serials
110
111	AC_DEFUN([YAT_CHECK_YAT],
112	[
113	AC_PREREQ([2.60]) dnl we use YAT_FIND_YAT
114	ac_yat_check_yat_res="yes"
115	AC_REQUIRE([YAT_FIND_YAT]) dnl
116	YAT_CHECK_VERSION([$1],,[ac_yat_check_yat_res="no"])
117	YAT_CHECK_HEADER(,[ac_yat_check_yat_res="no"])
118	YAT_CHECK_LIB(,[ac_yat_check_yat_res="no"])
119
120	_YAT_ACTION([test "$ac_yat_check_yat_res" != "no"],[$2],[$3])
121
122	]) # YAT_CHECK_YAT
123
124
125	AC_DEFUN([YAT_FIND_YAT],
126	[
127	AC_PREREQ([2.60]) dnl we use multi-arg AS_IF
128	AC_ARG_WITH([yat],
129	[AS_HELP_STRING([--with-yat=DIR],
130	[prefix for installed yat library or full path to yat-config])],
131	[],
132	[with_yat=yes])
133
134	yat_config=no;
135	yat_ac_want_yat=yes;
136	AS_IF([test "x$with_yat" = "xno"],
137	[yat_ac_want_yat=no],
138	[test "x$with_yat" = "xyes"],
139	[AC_PATH_PROG([yat_config], [yat-config], [no])
140	AS_IF([test "$yat_config" = "no"],
141	[AC_MSG_WARN([
142	the yat-config script installed by yat could not be found. If yat was
143	installed in PREFIX, make sure PREFIX/bin is in your path, or supply
144	the appropriate --with-yat option])
145	])
146	],
147	[AC_MSG_NOTICE([looking for yat-config])
148	for p in $with_yat $with_yat/yat-config $with_yat/bin/yat-config ; do
149	AS_IF([test "x$yat_config" = "xno"],
150	[AC_MSG_CHECKING([$p]);
151	AS_IF([test -f "$p" && $p --help > /dev/null 2>&1],
152	[yat_config=$p;
153	AC_MSG_RESULT([yes]);],
154	[AC_MSG_RESULT([no]);])
155	])
156	done
157	AS_IF([test "$yat_config" = "no"],
158	[AC_MSG_WARN([
159	the --with-yat parameter is incorrect. It must
160	specify an install prefix, or a yat-config file.])
161	])
162	])
163
164	_YAT_ACTION([test "$yat_config" != "no"],[$1],[$2])
165
166
167	]) # YAT_FIND_YAT
168
169
170
171	AC_DEFUN([YAT_CHECK_VERSION],
172	[
173	AC_PREREQ([2.60]) dnl we use YAT_FIND_YAT
174	AC_REQUIRE([YAT_FIND_YAT]) dnl
175	if test "$yat_config" != "no"; then
176	ac_yat_min_version=m4_default([$1], [0.5])
177	AC_MSG_CHECKING(if version of yat is at least $ac_yat_min_version)
178
179	if $yat_config --atleast-version=$ac_yat_min_version; then
180	AC_MSG_RESULT([yes])
181	ac_yat_version_ok=yes;
182	else
183	AC_MSG_RESULT([no])
184	ac_yat_version=`$yat_config --version`
185	AC_MSG_WARN([
186	'$yat_config --version' returned $ac_yat_version,
187	but the minimum required version is $ac_yat_min_version.])
188	fi
189	fi
190
191	_YAT_ACTION([test "$ac_yat_version_ok" = "yes"],[$2],[$3])
192
193	]) # YAT_CHECK_VERSION
194
195
196
197	AC_DEFUN([YAT_CHECK_HEADER],
198	[
199	AC_PREREQ([2.60]) dnl we use YAT_FIND_YAT
200	AC_REQUIRE([YAT_FIND_YAT]) dnl
201	if test "$yat_config" != "no"; then
202	ac_yat_save_CPPFLAGS=$CPPFLAGS
203	ac_yat_save_CXXFLAGS=$CXXFLAGS
204	YAT_CPPFLAGS=`$yat_config --cppflags`
205	YAT_CXXFLAGS=`$yat_config --cxxflags`
206	CPPFLAGS="$CPPFLAGS $YAT_CPPFLAGS"
207	CXXFLAGS="$CXXFLAGS $YAT_CXXFLAGS"
208	AC_LANG_ASSERT([C++])
209	# checking for Vector, which uses both GSL and Boost
210	AC_CHECK_HEADER([yat/utility/Vector.h],
211	[ac_yat_ok="yes"],
212	[ac_yat_ok="no"])
213
214	# checking that version in yat-config and version.h agree
215	AC_MSG_CHECKING([version in $yat_config])
216	yat_config_version=`$yat_config --version`
217	AC_MSG_RESULT([$yat_config_version])
218	AC_MSG_CHECKING([YAT_VERSION in <yat/utility/version.h>])
219	AC_COMPILE_IFELSE(
220	[AC_LANG_PROGRAM([@%:@include <yat/utility/version.h>],
221	[ #if YAT_VERSION_AT_LEAST(`$yat_config --version-major`,\
222	`$yat_config --version-minor`,\
223	`$yat_config --version-patch`)
224	// Versions agree
225	#else
226	# error yat versions disagree
227	#endif
228	])
229	],
230	[AC_MSG_RESULT([ok]);
231	ac_yat_ok="yes";
232	AC_SUBST(YAT_CPPFLAGS)
233	AC_SUBST(YAT_CXXFLAGS)
234	AC_DEFINE(HAVE_YAT,,[define if yat library is available])],
235	[AC_MSG_RESULT([incorrect]);
236	AC_MSG_WARN([
237	version declared in included yat/utility/version.h is not equal to
238	the one given from yat-config script: $yat_config.])
239	ac_yat_ok="no";
240	])
241
242	# restore FLAGS
243	CPPFLAGS=$ac_yat_save_CPPFLAGS
244	CXXFLAGS=$ac_yat_save_CXXFLAGS
245	fi
246
247	_YAT_ACTION([test "$ac_yat_ok" = "yes"],[$1],[$2])
248
249	]) # YAT_CHECK_HEADER
250
251
252
253	AC_DEFUN([YAT_CHECK_LIB],
254	[
255	AC_PREREQ([2.60]) dnl we use YAT_FIND_YAT
256	AC_REQUIRE([YAT_FIND_YAT]) dnl
257	if test "$yat_config" != "no"; then
258	ac_yat_save_LDFLAGS=$LDFLAGS
259	ac_yat_save_LIBS=$LIBS
260	YAT_LDFLAGS=`$yat_config --ldflags`
261	YAT_LIBS=`$yat_config --libs`
262	LDFLAGS="$LDFLAGS $YAT_LDFLAGS"
263	LIBS="$LIBS $YAT_LIBS"
264	AC_LANG_ASSERT([C++])
265	AC_MSG_CHECKING([for utility::version(void) in yat])
266	AC_LINK_IFELSE([AC_LANG_PROGRAM([[@%:@include <string>
267	namespace theplu{
268	namespace yat{
269	namespace utility {
270	std::string version(void);
271	}}}
272	]],
273	[using namespace theplu::yat::utility;
274	std::string s=version();])],
275	[ac_yat_ok="yes";
276	AC_MSG_RESULT([yes])
277	AC_SUBST(YAT_LDFLAGS)
278	AC_SUBST(YAT_LIBS)
279	# be compatible with yat-config 0.5.x
280	AS_IF([$yat_config --atleast-version=0.6],
281	[YAT_LA_FILE=`$yat_config --yat-la-file`;],
282	[YAT_LA_FILE=`$yat_config --link-libtool`;])
283	AC_SUBST(YAT_LA_FILE)
284	YAT_LT_ADD=`$yat_config --link-libtool`;
285	AC_SUBST(YAT_LT_ADD)],
286	[ac_yat_ok="no";
287	AC_MSG_RESULT([no])
288	AC_MSG_WARN([
289	the test program failed to link (or compile). See file config.log for
290	details on what occured.])
291	])
292	# restore FLAGS
293	LDFLAGS=$ac_yat_save_LDFLAGS
294	LIBS=$ac_yat_save_LIBS
295	fi
296
297	_YAT_ACTION([test "$ac_yat_ok" = "yes"],[$1],[$2])
298
299	]) # YAT_CHECK_LIB
300
301	# Private macro
302	#
303	# if yat_ac_want_yat = no do nothing
304	# if $1 do $2 else do $3
305	#
306	AC_DEFUN([_YAT_ACTION],
307	[
308	AS_IF([test "x$yat_ac_want_yat" = "xno"],[],
309	[$1],[m4_default([$2], [:])],
310	[m4_default([$3], [:])])
311	])

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