diff options
Diffstat (limited to 'm4/pkg.m4')
-rw-r--r-- | m4/pkg.m4 | 320 |
1 files changed, 269 insertions, 51 deletions
@@ -1,57 +1,275 @@ | |||
1 | dnl pkg.m4 - Macros to locate and utilise pkg-config. -*- Autoconf -*- | ||
2 | dnl serial 11 (pkg-config-0.29) | ||
3 | dnl | ||
4 | dnl Copyright © 2004 Scott James Remnant <scott@netsplit.com>. | ||
5 | dnl Copyright © 2012-2015 Dan Nicholson <dbn.lists@gmail.com> | ||
6 | dnl | ||
7 | dnl This program is free software; you can redistribute it and/or modify | ||
8 | dnl it under the terms of the GNU General Public License as published by | ||
9 | dnl the Free Software Foundation; either version 2 of the License, or | ||
10 | dnl (at your option) any later version. | ||
11 | dnl | ||
12 | dnl This program is distributed in the hope that it will be useful, but | ||
13 | dnl WITHOUT ANY WARRANTY; without even the implied warranty of | ||
14 | dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
15 | dnl General Public License for more details. | ||
16 | dnl | ||
17 | dnl You should have received a copy of the GNU General Public License | ||
18 | dnl along with this program; if not, write to the Free Software | ||
19 | dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | ||
20 | dnl 02111-1307, USA. | ||
21 | dnl | ||
22 | dnl As a special exception to the GNU General Public License, if you | ||
23 | dnl distribute this file as part of a program that contains a | ||
24 | dnl configuration script generated by Autoconf, you may include it under | ||
25 | dnl the same distribution terms that you use for the rest of that | ||
26 | dnl program. | ||
1 | 27 | ||
2 | dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not) | 28 | dnl PKG_PREREQ(MIN-VERSION) |
3 | dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page | 29 | dnl ----------------------- |
4 | dnl also defines GSTUFF_PKG_ERRORS on error | 30 | dnl Since: 0.29 |
5 | AC_DEFUN([PKG_CHECK_MODULES], [ | 31 | dnl |
6 | succeeded=no | 32 | dnl Verify that the version of the pkg-config macros are at least |
7 | 33 | dnl MIN-VERSION. Unlike PKG_PROG_PKG_CONFIG, which checks the user's | |
8 | if test -z "$PKG_CONFIG"; then | 34 | dnl installed version of pkg-config, this checks the developer's version |
9 | AC_PATH_PROG(PKG_CONFIG, pkg-config, no) | 35 | dnl of pkg.m4 when generating configure. |
10 | fi | 36 | dnl |
11 | 37 | dnl To ensure that this macro is defined, also add: | |
12 | if test "$PKG_CONFIG" = "no" ; then | 38 | dnl m4_ifndef([PKG_PREREQ], |
13 | echo "*** The pkg-config script could not be found. Make sure it is" | 39 | dnl [m4_fatal([must install pkg-config 0.29 or later before running autoconf/autogen])]) |
14 | echo "*** in your path, or set the PKG_CONFIG environment variable" | 40 | dnl |
15 | echo "*** to the full path to pkg-config." | 41 | dnl See the "Since" comment for each macro you use to see what version |
16 | echo "*** Or see http://www.freedesktop.org/software/pkgconfig to get pkg-config." | 42 | dnl of the macros you require. |
17 | else | 43 | m4_defun([PKG_PREREQ], |
18 | PKG_CONFIG_MIN_VERSION=0.9.0 | 44 | [m4_define([PKG_MACROS_VERSION], [0.29]) |
19 | if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then | 45 | m4_if(m4_version_compare(PKG_MACROS_VERSION, [$1]), -1, |
20 | AC_MSG_CHECKING(for $2) | 46 | [m4_fatal([pkg.m4 version $1 or higher is required but ]PKG_MACROS_VERSION[ found])]) |
21 | 47 | ])dnl PKG_PREREQ | |
22 | if $PKG_CONFIG --exists "$2" ; then | 48 | |
23 | AC_MSG_RESULT(yes) | 49 | dnl PKG_PROG_PKG_CONFIG([MIN-VERSION]) |
24 | succeeded=yes | 50 | dnl ---------------------------------- |
25 | 51 | dnl Since: 0.16 | |
26 | AC_MSG_CHECKING($1_CFLAGS) | 52 | dnl |
27 | $1_CFLAGS=`$PKG_CONFIG --cflags "$2"` | 53 | dnl Search for the pkg-config tool and set the PKG_CONFIG variable to |
28 | AC_MSG_RESULT($$1_CFLAGS) | 54 | dnl first found in the path. Checks that the version of pkg-config found |
29 | 55 | dnl is at least MIN-VERSION. If MIN-VERSION is not specified, 0.9.0 is | |
30 | AC_MSG_CHECKING($1_LIBS) | 56 | dnl used since that's the first version where most current features of |
31 | $1_LIBS=`$PKG_CONFIG --libs "$2"` | 57 | dnl pkg-config existed. |
32 | AC_MSG_RESULT($$1_LIBS) | 58 | AC_DEFUN([PKG_PROG_PKG_CONFIG], |
33 | else | 59 | [m4_pattern_forbid([^_?PKG_[A-Z_]+$]) |
34 | $1_CFLAGS="" | 60 | m4_pattern_allow([^PKG_CONFIG(_(PATH|LIBDIR|SYSROOT_DIR|ALLOW_SYSTEM_(CFLAGS|LIBS)))?$]) |
35 | $1_LIBS="" | 61 | m4_pattern_allow([^PKG_CONFIG_(DISABLE_UNINSTALLED|TOP_BUILD_DIR|DEBUG_SPEW)$]) |
36 | ## If we have a custom action on failure, don't print errors, but | 62 | AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility]) |
37 | ## do set a variable so people can do so. | 63 | AC_ARG_VAR([PKG_CONFIG_PATH], [directories to add to pkg-config's search path]) |
38 | $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"` | 64 | AC_ARG_VAR([PKG_CONFIG_LIBDIR], [path overriding pkg-config's built-in search path]) |
39 | ifelse([$4], ,echo $$1_PKG_ERRORS,) | 65 | |
66 | if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then | ||
67 | AC_PATH_TOOL([PKG_CONFIG], [pkg-config]) | ||
68 | fi | ||
69 | if test -n "$PKG_CONFIG"; then | ||
70 | _pkg_min_version=m4_default([$1], [0.9.0]) | ||
71 | AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version]) | ||
72 | if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then | ||
73 | AC_MSG_RESULT([yes]) | ||
74 | else | ||
75 | AC_MSG_RESULT([no]) | ||
76 | PKG_CONFIG="" | ||
77 | fi | ||
78 | fi[]dnl | ||
79 | ])dnl PKG_PROG_PKG_CONFIG | ||
80 | |||
81 | dnl PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) | ||
82 | dnl ------------------------------------------------------------------- | ||
83 | dnl Since: 0.18 | ||
84 | dnl | ||
85 | dnl Check to see whether a particular set of modules exists. Similar to | ||
86 | dnl PKG_CHECK_MODULES(), but does not set variables or print errors. | ||
87 | dnl | ||
88 | dnl Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG]) | ||
89 | dnl only at the first occurence in configure.ac, so if the first place | ||
90 | dnl it's called might be skipped (such as if it is within an "if", you | ||
91 | dnl have to call PKG_CHECK_EXISTS manually | ||
92 | AC_DEFUN([PKG_CHECK_EXISTS], | ||
93 | [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl | ||
94 | if test -n "$PKG_CONFIG" && \ | ||
95 | AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then | ||
96 | m4_default([$2], [:]) | ||
97 | m4_ifvaln([$3], [else | ||
98 | $3])dnl | ||
99 | fi]) | ||
100 | |||
101 | dnl _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES]) | ||
102 | dnl --------------------------------------------- | ||
103 | dnl Internal wrapper calling pkg-config via PKG_CONFIG and setting | ||
104 | dnl pkg_failed based on the result. | ||
105 | m4_define([_PKG_CONFIG], | ||
106 | [if test -n "$$1"; then | ||
107 | pkg_cv_[]$1="$$1" | ||
108 | elif test -n "$PKG_CONFIG"; then | ||
109 | PKG_CHECK_EXISTS([$3], | ||
110 | [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null` | ||
111 | test "x$?" != "x0" && pkg_failed=yes ], | ||
112 | [pkg_failed=yes]) | ||
113 | else | ||
114 | pkg_failed=untried | ||
115 | fi[]dnl | ||
116 | ])dnl _PKG_CONFIG | ||
117 | |||
118 | dnl _PKG_SHORT_ERRORS_SUPPORTED | ||
119 | dnl --------------------------- | ||
120 | dnl Internal check to see if pkg-config supports short errors. | ||
121 | AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED], | ||
122 | [AC_REQUIRE([PKG_PROG_PKG_CONFIG]) | ||
123 | if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then | ||
124 | _pkg_short_errors_supported=yes | ||
125 | else | ||
126 | _pkg_short_errors_supported=no | ||
127 | fi[]dnl | ||
128 | ])dnl _PKG_SHORT_ERRORS_SUPPORTED | ||
129 | |||
130 | |||
131 | dnl PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND], | ||
132 | dnl [ACTION-IF-NOT-FOUND]) | ||
133 | dnl -------------------------------------------------------------- | ||
134 | dnl Since: 0.4.0 | ||
135 | dnl | ||
136 | dnl Note that if there is a possibility the first call to | ||
137 | dnl PKG_CHECK_MODULES might not happen, you should be sure to include an | ||
138 | dnl explicit call to PKG_PROG_PKG_CONFIG in your configure.ac | ||
139 | AC_DEFUN([PKG_CHECK_MODULES], | ||
140 | [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl | ||
141 | AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl | ||
142 | AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl | ||
143 | |||
144 | pkg_failed=no | ||
145 | AC_MSG_CHECKING([for $1]) | ||
146 | |||
147 | _PKG_CONFIG([$1][_CFLAGS], [cflags], [$2]) | ||
148 | _PKG_CONFIG([$1][_LIBS], [libs], [$2]) | ||
149 | |||
150 | m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS | ||
151 | and $1[]_LIBS to avoid the need to call pkg-config. | ||
152 | See the pkg-config man page for more details.]) | ||
153 | |||
154 | if test $pkg_failed = yes; then | ||
155 | AC_MSG_RESULT([no]) | ||
156 | _PKG_SHORT_ERRORS_SUPPORTED | ||
157 | if test $_pkg_short_errors_supported = yes; then | ||
158 | $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$2" 2>&1` | ||
159 | else | ||
160 | $1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$2" 2>&1` | ||
40 | fi | 161 | fi |
162 | # Put the nasty error message in config.log where it belongs | ||
163 | echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD | ||
164 | |||
165 | m4_default([$4], [AC_MSG_ERROR( | ||
166 | [Package requirements ($2) were not met: | ||
167 | |||
168 | $$1_PKG_ERRORS | ||
169 | |||
170 | Consider adjusting the PKG_CONFIG_PATH environment variable if you | ||
171 | installed software in a non-standard prefix. | ||
172 | |||
173 | _PKG_TEXT])[]dnl | ||
174 | ]) | ||
175 | elif test $pkg_failed = untried; then | ||
176 | AC_MSG_RESULT([no]) | ||
177 | m4_default([$4], [AC_MSG_FAILURE( | ||
178 | [The pkg-config script could not be found or is too old. Make sure it | ||
179 | is in your PATH or set the PKG_CONFIG environment variable to the full | ||
180 | path to pkg-config. | ||
181 | |||
182 | _PKG_TEXT | ||
183 | |||
184 | To get pkg-config, see <http://pkg-config.freedesktop.org/>.])[]dnl | ||
185 | ]) | ||
186 | else | ||
187 | $1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS | ||
188 | $1[]_LIBS=$pkg_cv_[]$1[]_LIBS | ||
189 | AC_MSG_RESULT([yes]) | ||
190 | $3 | ||
191 | fi[]dnl | ||
192 | ])dnl PKG_CHECK_MODULES | ||
193 | |||
194 | |||
195 | dnl PKG_CHECK_MODULES_STATIC(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND], | ||
196 | dnl [ACTION-IF-NOT-FOUND]) | ||
197 | dnl --------------------------------------------------------------------- | ||
198 | dnl Since: 0.29 | ||
199 | dnl | ||
200 | dnl Checks for existence of MODULES and gathers its build flags with | ||
201 | dnl static libraries enabled. Sets VARIABLE-PREFIX_CFLAGS from --cflags | ||
202 | dnl and VARIABLE-PREFIX_LIBS from --libs. | ||
203 | dnl | ||
204 | dnl Note that if there is a possibility the first call to | ||
205 | dnl PKG_CHECK_MODULES_STATIC might not happen, you should be sure to | ||
206 | dnl include an explicit call to PKG_PROG_PKG_CONFIG in your | ||
207 | dnl configure.ac. | ||
208 | AC_DEFUN([PKG_CHECK_MODULES_STATIC], | ||
209 | [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl | ||
210 | _save_PKG_CONFIG=$PKG_CONFIG | ||
211 | PKG_CONFIG="$PKG_CONFIG --static" | ||
212 | PKG_CHECK_MODULES($@) | ||
213 | PKG_CONFIG=$_save_PKG_CONFIG[]dnl | ||
214 | ])dnl PKG_CHECK_MODULES_STATIC | ||
215 | |||
216 | |||
217 | dnl PKG_INSTALLDIR([DIRECTORY]) | ||
218 | dnl ------------------------- | ||
219 | dnl Since: 0.27 | ||
220 | dnl | ||
221 | dnl Substitutes the variable pkgconfigdir as the location where a module | ||
222 | dnl should install pkg-config .pc files. By default the directory is | ||
223 | dnl $libdir/pkgconfig, but the default can be changed by passing | ||
224 | dnl DIRECTORY. The user can override through the --with-pkgconfigdir | ||
225 | dnl parameter. | ||
226 | AC_DEFUN([PKG_INSTALLDIR], | ||
227 | [m4_pushdef([pkg_default], [m4_default([$1], ['${libdir}/pkgconfig'])]) | ||
228 | m4_pushdef([pkg_description], | ||
229 | [pkg-config installation directory @<:@]pkg_default[@:>@]) | ||
230 | AC_ARG_WITH([pkgconfigdir], | ||
231 | [AS_HELP_STRING([--with-pkgconfigdir], pkg_description)],, | ||
232 | [with_pkgconfigdir=]pkg_default) | ||
233 | AC_SUBST([pkgconfigdir], [$with_pkgconfigdir]) | ||
234 | m4_popdef([pkg_default]) | ||
235 | m4_popdef([pkg_description]) | ||
236 | ])dnl PKG_INSTALLDIR | ||
237 | |||
238 | |||
239 | dnl PKG_NOARCH_INSTALLDIR([DIRECTORY]) | ||
240 | dnl -------------------------------- | ||
241 | dnl Since: 0.27 | ||
242 | dnl | ||
243 | dnl Substitutes the variable noarch_pkgconfigdir as the location where a | ||
244 | dnl module should install arch-independent pkg-config .pc files. By | ||
245 | dnl default the directory is $datadir/pkgconfig, but the default can be | ||
246 | dnl changed by passing DIRECTORY. The user can override through the | ||
247 | dnl --with-noarch-pkgconfigdir parameter. | ||
248 | AC_DEFUN([PKG_NOARCH_INSTALLDIR], | ||
249 | [m4_pushdef([pkg_default], [m4_default([$1], ['${datadir}/pkgconfig'])]) | ||
250 | m4_pushdef([pkg_description], | ||
251 | [pkg-config arch-independent installation directory @<:@]pkg_default[@:>@]) | ||
252 | AC_ARG_WITH([noarch-pkgconfigdir], | ||
253 | [AS_HELP_STRING([--with-noarch-pkgconfigdir], pkg_description)],, | ||
254 | [with_noarch_pkgconfigdir=]pkg_default) | ||
255 | AC_SUBST([noarch_pkgconfigdir], [$with_noarch_pkgconfigdir]) | ||
256 | m4_popdef([pkg_default]) | ||
257 | m4_popdef([pkg_description]) | ||
258 | ])dnl PKG_NOARCH_INSTALLDIR | ||
41 | 259 | ||
42 | AC_SUBST($1_CFLAGS) | ||
43 | AC_SUBST($1_LIBS) | ||
44 | else | ||
45 | echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer." | ||
46 | echo "*** See http://www.freedesktop.org/software/pkgconfig" | ||
47 | fi | ||
48 | fi | ||
49 | 260 | ||
50 | if test $succeeded = yes; then | 261 | dnl PKG_CHECK_VAR(VARIABLE, MODULE, CONFIG-VARIABLE, |
51 | ifelse([$3], , :, [$3]) | 262 | dnl [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) |
52 | else | 263 | dnl ------------------------------------------- |
53 | ifelse([$4], , AC_MSG_ERROR([Library requirements ($2) not met; consider adjusting the PKG_CONFIG_PATH environment variable if your libraries are in a nonstandard prefix so pkg-config can find them.]), [$4]) | 264 | dnl Since: 0.28 |
54 | fi | 265 | dnl |
55 | ]) | 266 | dnl Retrieves the value of the pkg-config variable for the given module. |
267 | AC_DEFUN([PKG_CHECK_VAR], | ||
268 | [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl | ||
269 | AC_ARG_VAR([$1], [value of $3 for $2, overriding pkg-config])dnl | ||
56 | 270 | ||
271 | _PKG_CONFIG([$1], [variable="][$3]["], [$2]) | ||
272 | AS_VAR_COPY([$1], [pkg_cv_][$1]) | ||
57 | 273 | ||
274 | AS_VAR_IF([$1], [""], [$5], [$4])dnl | ||
275 | ])dnl PKG_CHECK_VAR | ||