aboutsummaryrefslogtreecommitdiff
path: root/m4/pkg.m4
diff options
context:
space:
mode:
Diffstat (limited to 'm4/pkg.m4')
-rw-r--r--m4/pkg.m4320
1 files changed, 269 insertions, 51 deletions
diff --git a/m4/pkg.m4 b/m4/pkg.m4
index f2bfc2d..4688002 100644
--- a/m4/pkg.m4
+++ b/m4/pkg.m4
@@ -1,57 +1,275 @@
1dnl pkg.m4 - Macros to locate and utilise pkg-config. -*- Autoconf -*-
2dnl serial 11 (pkg-config-0.29)
3dnl
4dnl Copyright © 2004 Scott James Remnant <scott@netsplit.com>.
5dnl Copyright © 2012-2015 Dan Nicholson <dbn.lists@gmail.com>
6dnl
7dnl This program is free software; you can redistribute it and/or modify
8dnl it under the terms of the GNU General Public License as published by
9dnl the Free Software Foundation; either version 2 of the License, or
10dnl (at your option) any later version.
11dnl
12dnl This program is distributed in the hope that it will be useful, but
13dnl WITHOUT ANY WARRANTY; without even the implied warranty of
14dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15dnl General Public License for more details.
16dnl
17dnl You should have received a copy of the GNU General Public License
18dnl along with this program; if not, write to the Free Software
19dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
20dnl 02111-1307, USA.
21dnl
22dnl As a special exception to the GNU General Public License, if you
23dnl distribute this file as part of a program that contains a
24dnl configuration script generated by Autoconf, you may include it under
25dnl the same distribution terms that you use for the rest of that
26dnl program.
1 27
2dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not) 28dnl PKG_PREREQ(MIN-VERSION)
3dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page 29dnl -----------------------
4dnl also defines GSTUFF_PKG_ERRORS on error 30dnl Since: 0.29
5AC_DEFUN([PKG_CHECK_MODULES], [ 31dnl
6 succeeded=no 32dnl Verify that the version of the pkg-config macros are at least
7 33dnl MIN-VERSION. Unlike PKG_PROG_PKG_CONFIG, which checks the user's
8 if test -z "$PKG_CONFIG"; then 34dnl installed version of pkg-config, this checks the developer's version
9 AC_PATH_PROG(PKG_CONFIG, pkg-config, no) 35dnl of pkg.m4 when generating configure.
10 fi 36dnl
11 37dnl To ensure that this macro is defined, also add:
12 if test "$PKG_CONFIG" = "no" ; then 38dnl m4_ifndef([PKG_PREREQ],
13 echo "*** The pkg-config script could not be found. Make sure it is" 39dnl [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" 40dnl
15 echo "*** to the full path to pkg-config." 41dnl 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." 42dnl of the macros you require.
17 else 43m4_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 45m4_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) 49dnl PKG_PROG_PKG_CONFIG([MIN-VERSION])
24 succeeded=yes 50dnl ----------------------------------
25 51dnl Since: 0.16
26 AC_MSG_CHECKING($1_CFLAGS) 52dnl
27 $1_CFLAGS=`$PKG_CONFIG --cflags "$2"` 53dnl Search for the pkg-config tool and set the PKG_CONFIG variable to
28 AC_MSG_RESULT($$1_CFLAGS) 54dnl first found in the path. Checks that the version of pkg-config found
29 55dnl is at least MIN-VERSION. If MIN-VERSION is not specified, 0.9.0 is
30 AC_MSG_CHECKING($1_LIBS) 56dnl used since that's the first version where most current features of
31 $1_LIBS=`$PKG_CONFIG --libs "$2"` 57dnl pkg-config existed.
32 AC_MSG_RESULT($$1_LIBS) 58AC_DEFUN([PKG_PROG_PKG_CONFIG],
33 else 59[m4_pattern_forbid([^_?PKG_[A-Z_]+$])
34 $1_CFLAGS="" 60m4_pattern_allow([^PKG_CONFIG(_(PATH|LIBDIR|SYSROOT_DIR|ALLOW_SYSTEM_(CFLAGS|LIBS)))?$])
35 $1_LIBS="" 61m4_pattern_allow([^PKG_CONFIG_(DISABLE_UNINSTALLED|TOP_BUILD_DIR|DEBUG_SPEW)$])
36 ## If we have a custom action on failure, don't print errors, but 62AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility])
37 ## do set a variable so people can do so. 63AC_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"` 64AC_ARG_VAR([PKG_CONFIG_LIBDIR], [path overriding pkg-config's built-in search path])
39 ifelse([$4], ,echo $$1_PKG_ERRORS,) 65
66if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
67 AC_PATH_TOOL([PKG_CONFIG], [pkg-config])
68fi
69if test -n "$PKG_CONFIG"; then
70 _pkg_min_version=m4_default([$1], [0.9.0])
71 AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version])
72 if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then
73 AC_MSG_RESULT([yes])
74 else
75 AC_MSG_RESULT([no])
76 PKG_CONFIG=""
77 fi
78fi[]dnl
79])dnl PKG_PROG_PKG_CONFIG
80
81dnl PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
82dnl -------------------------------------------------------------------
83dnl Since: 0.18
84dnl
85dnl Check to see whether a particular set of modules exists. Similar to
86dnl PKG_CHECK_MODULES(), but does not set variables or print errors.
87dnl
88dnl Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG])
89dnl only at the first occurence in configure.ac, so if the first place
90dnl it's called might be skipped (such as if it is within an "if", you
91dnl have to call PKG_CHECK_EXISTS manually
92AC_DEFUN([PKG_CHECK_EXISTS],
93[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
94if test -n "$PKG_CONFIG" && \
95 AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then
96 m4_default([$2], [:])
97m4_ifvaln([$3], [else
98 $3])dnl
99fi])
100
101dnl _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES])
102dnl ---------------------------------------------
103dnl Internal wrapper calling pkg-config via PKG_CONFIG and setting
104dnl pkg_failed based on the result.
105m4_define([_PKG_CONFIG],
106[if test -n "$$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
115fi[]dnl
116])dnl _PKG_CONFIG
117
118dnl _PKG_SHORT_ERRORS_SUPPORTED
119dnl ---------------------------
120dnl Internal check to see if pkg-config supports short errors.
121AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED],
122[AC_REQUIRE([PKG_PROG_PKG_CONFIG])
123if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
124 _pkg_short_errors_supported=yes
125else
126 _pkg_short_errors_supported=no
127fi[]dnl
128])dnl _PKG_SHORT_ERRORS_SUPPORTED
129
130
131dnl PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND],
132dnl [ACTION-IF-NOT-FOUND])
133dnl --------------------------------------------------------------
134dnl Since: 0.4.0
135dnl
136dnl Note that if there is a possibility the first call to
137dnl PKG_CHECK_MODULES might not happen, you should be sure to include an
138dnl explicit call to PKG_PROG_PKG_CONFIG in your configure.ac
139AC_DEFUN([PKG_CHECK_MODULES],
140[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
141AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl
142AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl
143
144pkg_failed=no
145AC_MSG_CHECKING([for $1])
146
147_PKG_CONFIG([$1][_CFLAGS], [cflags], [$2])
148_PKG_CONFIG([$1][_LIBS], [libs], [$2])
149
150m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS
151and $1[]_LIBS to avoid the need to call pkg-config.
152See the pkg-config man page for more details.])
153
154if 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
170Consider adjusting the PKG_CONFIG_PATH environment variable if you
171installed software in a non-standard prefix.
172
173_PKG_TEXT])[]dnl
174 ])
175elif 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
179is in your PATH or set the PKG_CONFIG environment variable to the full
180path to pkg-config.
181
182_PKG_TEXT
183
184To get pkg-config, see <http://pkg-config.freedesktop.org/>.])[]dnl
185 ])
186else
187 $1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS
188 $1[]_LIBS=$pkg_cv_[]$1[]_LIBS
189 AC_MSG_RESULT([yes])
190 $3
191fi[]dnl
192])dnl PKG_CHECK_MODULES
193
194
195dnl PKG_CHECK_MODULES_STATIC(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND],
196dnl [ACTION-IF-NOT-FOUND])
197dnl ---------------------------------------------------------------------
198dnl Since: 0.29
199dnl
200dnl Checks for existence of MODULES and gathers its build flags with
201dnl static libraries enabled. Sets VARIABLE-PREFIX_CFLAGS from --cflags
202dnl and VARIABLE-PREFIX_LIBS from --libs.
203dnl
204dnl Note that if there is a possibility the first call to
205dnl PKG_CHECK_MODULES_STATIC might not happen, you should be sure to
206dnl include an explicit call to PKG_PROG_PKG_CONFIG in your
207dnl configure.ac.
208AC_DEFUN([PKG_CHECK_MODULES_STATIC],
209[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
210_save_PKG_CONFIG=$PKG_CONFIG
211PKG_CONFIG="$PKG_CONFIG --static"
212PKG_CHECK_MODULES($@)
213PKG_CONFIG=$_save_PKG_CONFIG[]dnl
214])dnl PKG_CHECK_MODULES_STATIC
215
216
217dnl PKG_INSTALLDIR([DIRECTORY])
218dnl -------------------------
219dnl Since: 0.27
220dnl
221dnl Substitutes the variable pkgconfigdir as the location where a module
222dnl should install pkg-config .pc files. By default the directory is
223dnl $libdir/pkgconfig, but the default can be changed by passing
224dnl DIRECTORY. The user can override through the --with-pkgconfigdir
225dnl parameter.
226AC_DEFUN([PKG_INSTALLDIR],
227[m4_pushdef([pkg_default], [m4_default([$1], ['${libdir}/pkgconfig'])])
228m4_pushdef([pkg_description],
229 [pkg-config installation directory @<:@]pkg_default[@:>@])
230AC_ARG_WITH([pkgconfigdir],
231 [AS_HELP_STRING([--with-pkgconfigdir], pkg_description)],,
232 [with_pkgconfigdir=]pkg_default)
233AC_SUBST([pkgconfigdir], [$with_pkgconfigdir])
234m4_popdef([pkg_default])
235m4_popdef([pkg_description])
236])dnl PKG_INSTALLDIR
237
238
239dnl PKG_NOARCH_INSTALLDIR([DIRECTORY])
240dnl --------------------------------
241dnl Since: 0.27
242dnl
243dnl Substitutes the variable noarch_pkgconfigdir as the location where a
244dnl module should install arch-independent pkg-config .pc files. By
245dnl default the directory is $datadir/pkgconfig, but the default can be
246dnl changed by passing DIRECTORY. The user can override through the
247dnl --with-noarch-pkgconfigdir parameter.
248AC_DEFUN([PKG_NOARCH_INSTALLDIR],
249[m4_pushdef([pkg_default], [m4_default([$1], ['${datadir}/pkgconfig'])])
250m4_pushdef([pkg_description],
251 [pkg-config arch-independent installation directory @<:@]pkg_default[@:>@])
252AC_ARG_WITH([noarch-pkgconfigdir],
253 [AS_HELP_STRING([--with-noarch-pkgconfigdir], pkg_description)],,
254 [with_noarch_pkgconfigdir=]pkg_default)
255AC_SUBST([noarch_pkgconfigdir], [$with_noarch_pkgconfigdir])
256m4_popdef([pkg_default])
257m4_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 261dnl PKG_CHECK_VAR(VARIABLE, MODULE, CONFIG-VARIABLE,
51 ifelse([$3], , :, [$3]) 262dnl [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
52 else 263dnl -------------------------------------------
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]) 264dnl Since: 0.28
54 fi 265dnl
55]) 266dnl Retrieves the value of the pkg-config variable for the given module.
267AC_DEFUN([PKG_CHECK_VAR],
268[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
269AC_ARG_VAR([$1], [value of $3 for $2, overriding pkg-config])dnl
56 270
271_PKG_CONFIG([$1], [variable="][$3]["], [$2])
272AS_VAR_COPY([$1], [pkg_cv_][$1])
57 273
274AS_VAR_IF([$1], [""], [$5], [$4])dnl
275])dnl PKG_CHECK_VAR