diff options
Diffstat (limited to 'm4/pkg.m4')
-rw-r--r-- | m4/pkg.m4 | 225 |
1 files changed, 143 insertions, 82 deletions
@@ -1,29 +1,60 @@ | |||
1 | # pkg.m4 - Macros to locate and utilise pkg-config. -*- Autoconf -*- | 1 | # pkg.m4 - Macros to locate and utilise pkg-config. -*- Autoconf -*- |
2 | # serial 1 (pkg-config-0.24) | 2 | # serial 12 (pkg-config-0.29.2) |
3 | # | 3 | |
4 | # Copyright © 2004 Scott James Remnant <scott@netsplit.com>. | 4 | dnl Copyright © 2004 Scott James Remnant <scott@netsplit.com>. |
5 | # | 5 | dnl Copyright © 2012-2015 Dan Nicholson <dbn.lists@gmail.com> |
6 | # This program is free software; you can redistribute it and/or modify | 6 | dnl |
7 | # it under the terms of the GNU General Public License as published by | 7 | dnl This program is free software; you can redistribute it and/or modify |
8 | # the Free Software Foundation; either version 2 of the License, or | 8 | dnl it under the terms of the GNU General Public License as published by |
9 | # (at your option) any later version. | 9 | dnl the Free Software Foundation; either version 2 of the License, or |
10 | # | 10 | dnl (at your option) any later version. |
11 | # This program is distributed in the hope that it will be useful, but | 11 | dnl |
12 | # WITHOUT ANY WARRANTY; without even the implied warranty of | 12 | dnl This program is distributed in the hope that it will be useful, but |
13 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | 13 | dnl WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | # General Public License for more details. | 14 | dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
15 | # | 15 | dnl General Public License for more details. |
16 | # You should have received a copy of the GNU General Public License | 16 | dnl |
17 | # along with this program; if not, write to the Free Software | 17 | dnl You should have received a copy of the GNU General Public License |
18 | # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | 18 | dnl along with this program; if not, write to the Free Software |
19 | # | 19 | dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA |
20 | # As a special exception to the GNU General Public License, if you | 20 | dnl 02111-1307, USA. |
21 | # distribute this file as part of a program that contains a | 21 | dnl |
22 | # configuration script generated by Autoconf, you may include it under | 22 | dnl As a special exception to the GNU General Public License, if you |
23 | # the same distribution terms that you use for the rest of that program. | 23 | dnl distribute this file as part of a program that contains a |
24 | 24 | dnl configuration script generated by Autoconf, you may include it under | |
25 | # PKG_PROG_PKG_CONFIG([MIN-VERSION]) | 25 | dnl the same distribution terms that you use for the rest of that |
26 | # ---------------------------------- | 26 | dnl program. |
27 | |||
28 | dnl PKG_PREREQ(MIN-VERSION) | ||
29 | dnl ----------------------- | ||
30 | dnl Since: 0.29 | ||
31 | dnl | ||
32 | dnl Verify that the version of the pkg-config macros are at least | ||
33 | dnl MIN-VERSION. Unlike PKG_PROG_PKG_CONFIG, which checks the user's | ||
34 | dnl installed version of pkg-config, this checks the developer's version | ||
35 | dnl of pkg.m4 when generating configure. | ||
36 | dnl | ||
37 | dnl To ensure that this macro is defined, also add: | ||
38 | dnl m4_ifndef([PKG_PREREQ], | ||
39 | dnl [m4_fatal([must install pkg-config 0.29 or later before running autoconf/autogen])]) | ||
40 | dnl | ||
41 | dnl See the "Since" comment for each macro you use to see what version | ||
42 | dnl of the macros you require. | ||
43 | m4_defun([PKG_PREREQ], | ||
44 | [m4_define([PKG_MACROS_VERSION], [0.29.2]) | ||
45 | m4_if(m4_version_compare(PKG_MACROS_VERSION, [$1]), -1, | ||
46 | [m4_fatal([pkg.m4 version $1 or higher is required but ]PKG_MACROS_VERSION[ found])]) | ||
47 | ])dnl PKG_PREREQ | ||
48 | |||
49 | dnl PKG_PROG_PKG_CONFIG([MIN-VERSION]) | ||
50 | dnl ---------------------------------- | ||
51 | dnl Since: 0.16 | ||
52 | dnl | ||
53 | dnl Search for the pkg-config tool and set the PKG_CONFIG variable to | ||
54 | dnl first found in the path. Checks that the version of pkg-config found | ||
55 | dnl is at least MIN-VERSION. If MIN-VERSION is not specified, 0.9.0 is | ||
56 | dnl used since that's the first version where most current features of | ||
57 | dnl pkg-config existed. | ||
27 | AC_DEFUN([PKG_PROG_PKG_CONFIG], | 58 | AC_DEFUN([PKG_PROG_PKG_CONFIG], |
28 | [m4_pattern_forbid([^_?PKG_[A-Z_]+$]) | 59 | [m4_pattern_forbid([^_?PKG_[A-Z_]+$]) |
29 | m4_pattern_allow([^PKG_CONFIG(_(PATH|LIBDIR|SYSROOT_DIR|ALLOW_SYSTEM_(CFLAGS|LIBS)))?$]) | 60 | m4_pattern_allow([^PKG_CONFIG(_(PATH|LIBDIR|SYSROOT_DIR|ALLOW_SYSTEM_(CFLAGS|LIBS)))?$]) |
@@ -45,18 +76,19 @@ if test -n "$PKG_CONFIG"; then | |||
45 | PKG_CONFIG="" | 76 | PKG_CONFIG="" |
46 | fi | 77 | fi |
47 | fi[]dnl | 78 | fi[]dnl |
48 | ])# PKG_PROG_PKG_CONFIG | 79 | ])dnl PKG_PROG_PKG_CONFIG |
49 | 80 | ||
50 | # PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) | 81 | dnl PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) |
51 | # | 82 | dnl ------------------------------------------------------------------- |
52 | # Check to see whether a particular set of modules exists. Similar | 83 | dnl Since: 0.18 |
53 | # to PKG_CHECK_MODULES(), but does not set variables or print errors. | 84 | dnl |
54 | # | 85 | dnl Check to see whether a particular set of modules exists. Similar to |
55 | # Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG]) | 86 | dnl PKG_CHECK_MODULES(), but does not set variables or print errors. |
56 | # only at the first occurence in configure.ac, so if the first place | 87 | dnl |
57 | # it's called might be skipped (such as if it is within an "if", you | 88 | dnl Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG]) |
58 | # have to call PKG_CHECK_EXISTS manually | 89 | dnl only at the first occurence in configure.ac, so if the first place |
59 | # -------------------------------------------------------------- | 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 | ||
60 | AC_DEFUN([PKG_CHECK_EXISTS], | 92 | AC_DEFUN([PKG_CHECK_EXISTS], |
61 | [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl | 93 | [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl |
62 | if test -n "$PKG_CONFIG" && \ | 94 | if test -n "$PKG_CONFIG" && \ |
@@ -66,8 +98,10 @@ m4_ifvaln([$3], [else | |||
66 | $3])dnl | 98 | $3])dnl |
67 | fi]) | 99 | fi]) |
68 | 100 | ||
69 | # _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES]) | 101 | dnl _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES]) |
70 | # --------------------------------------------- | 102 | dnl --------------------------------------------- |
103 | dnl Internal wrapper calling pkg-config via PKG_CONFIG and setting | ||
104 | dnl pkg_failed based on the result. | ||
71 | m4_define([_PKG_CONFIG], | 105 | m4_define([_PKG_CONFIG], |
72 | [if test -n "$$1"; then | 106 | [if test -n "$$1"; then |
73 | pkg_cv_[]$1="$$1" | 107 | pkg_cv_[]$1="$$1" |
@@ -79,10 +113,11 @@ m4_define([_PKG_CONFIG], | |||
79 | else | 113 | else |
80 | pkg_failed=untried | 114 | pkg_failed=untried |
81 | fi[]dnl | 115 | fi[]dnl |
82 | ])# _PKG_CONFIG | 116 | ])dnl _PKG_CONFIG |
83 | 117 | ||
84 | # _PKG_SHORT_ERRORS_SUPPORTED | 118 | dnl _PKG_SHORT_ERRORS_SUPPORTED |
85 | # ----------------------------- | 119 | dnl --------------------------- |
120 | dnl Internal check to see if pkg-config supports short errors. | ||
86 | AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED], | 121 | AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED], |
87 | [AC_REQUIRE([PKG_PROG_PKG_CONFIG]) | 122 | [AC_REQUIRE([PKG_PROG_PKG_CONFIG]) |
88 | if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then | 123 | if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then |
@@ -90,26 +125,24 @@ if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then | |||
90 | else | 125 | else |
91 | _pkg_short_errors_supported=no | 126 | _pkg_short_errors_supported=no |
92 | fi[]dnl | 127 | fi[]dnl |
93 | ])# _PKG_SHORT_ERRORS_SUPPORTED | 128 | ])dnl _PKG_SHORT_ERRORS_SUPPORTED |
94 | 129 | ||
95 | 130 | ||
96 | # PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND], | 131 | dnl PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND], |
97 | # [ACTION-IF-NOT-FOUND]) | 132 | dnl [ACTION-IF-NOT-FOUND]) |
98 | # | 133 | dnl -------------------------------------------------------------- |
99 | # | 134 | dnl Since: 0.4.0 |
100 | # Note that if there is a possibility the first call to | 135 | dnl |
101 | # PKG_CHECK_MODULES might not happen, you should be sure to include an | 136 | dnl Note that if there is a possibility the first call to |
102 | # explicit call to PKG_PROG_PKG_CONFIG in your configure.ac | 137 | dnl PKG_CHECK_MODULES might not happen, you should be sure to include an |
103 | # | 138 | dnl explicit call to PKG_PROG_PKG_CONFIG in your configure.ac |
104 | # | ||
105 | # -------------------------------------------------------------- | ||
106 | AC_DEFUN([PKG_CHECK_MODULES], | 139 | AC_DEFUN([PKG_CHECK_MODULES], |
107 | [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl | 140 | [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl |
108 | AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl | 141 | AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl |
109 | AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl | 142 | AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl |
110 | 143 | ||
111 | pkg_failed=no | 144 | pkg_failed=no |
112 | AC_MSG_CHECKING([for $1]) | 145 | AC_MSG_CHECKING([for $2]) |
113 | 146 | ||
114 | _PKG_CONFIG([$1][_CFLAGS], [cflags], [$2]) | 147 | _PKG_CONFIG([$1][_CFLAGS], [cflags], [$2]) |
115 | _PKG_CONFIG([$1][_LIBS], [libs], [$2]) | 148 | _PKG_CONFIG([$1][_LIBS], [libs], [$2]) |
@@ -119,11 +152,11 @@ and $1[]_LIBS to avoid the need to call pkg-config. | |||
119 | See the pkg-config man page for more details.]) | 152 | See the pkg-config man page for more details.]) |
120 | 153 | ||
121 | if test $pkg_failed = yes; then | 154 | if test $pkg_failed = yes; then |
122 | AC_MSG_RESULT([no]) | 155 | AC_MSG_RESULT([no]) |
123 | _PKG_SHORT_ERRORS_SUPPORTED | 156 | _PKG_SHORT_ERRORS_SUPPORTED |
124 | if test $_pkg_short_errors_supported = yes; then | 157 | if test $_pkg_short_errors_supported = yes; then |
125 | $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$2" 2>&1` | 158 | $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$2" 2>&1` |
126 | else | 159 | else |
127 | $1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$2" 2>&1` | 160 | $1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$2" 2>&1` |
128 | fi | 161 | fi |
129 | # Put the nasty error message in config.log where it belongs | 162 | # Put the nasty error message in config.log where it belongs |
@@ -140,7 +173,7 @@ installed software in a non-standard prefix. | |||
140 | _PKG_TEXT])[]dnl | 173 | _PKG_TEXT])[]dnl |
141 | ]) | 174 | ]) |
142 | elif test $pkg_failed = untried; then | 175 | elif test $pkg_failed = untried; then |
143 | AC_MSG_RESULT([no]) | 176 | AC_MSG_RESULT([no]) |
144 | m4_default([$4], [AC_MSG_FAILURE( | 177 | m4_default([$4], [AC_MSG_FAILURE( |
145 | [The pkg-config script could not be found or is too old. Make sure it | 178 | [The pkg-config script could not be found or is too old. Make sure it |
146 | is in your PATH or set the PKG_CONFIG environment variable to the full | 179 | is in your PATH or set the PKG_CONFIG environment variable to the full |
@@ -156,16 +189,40 @@ else | |||
156 | AC_MSG_RESULT([yes]) | 189 | AC_MSG_RESULT([yes]) |
157 | $3 | 190 | $3 |
158 | fi[]dnl | 191 | fi[]dnl |
159 | ])# PKG_CHECK_MODULES | 192 | ])dnl PKG_CHECK_MODULES |
193 | |||
194 | |||
195 | dnl PKG_CHECK_MODULES_STATIC(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND], | ||
196 | dnl [ACTION-IF-NOT-FOUND]) | ||
197 | dnl --------------------------------------------------------------------- | ||
198 | dnl Since: 0.29 | ||
199 | dnl | ||
200 | dnl Checks for existence of MODULES and gathers its build flags with | ||
201 | dnl static libraries enabled. Sets VARIABLE-PREFIX_CFLAGS from --cflags | ||
202 | dnl and VARIABLE-PREFIX_LIBS from --libs. | ||
203 | dnl | ||
204 | dnl Note that if there is a possibility the first call to | ||
205 | dnl PKG_CHECK_MODULES_STATIC might not happen, you should be sure to | ||
206 | dnl include an explicit call to PKG_PROG_PKG_CONFIG in your | ||
207 | dnl configure.ac. | ||
208 | AC_DEFUN([PKG_CHECK_MODULES_STATIC], | ||
209 | [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl | ||
210 | _save_PKG_CONFIG=$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 | ||
160 | 215 | ||
161 | 216 | ||
162 | # PKG_INSTALLDIR(DIRECTORY) | 217 | dnl PKG_INSTALLDIR([DIRECTORY]) |
163 | # ------------------------- | 218 | dnl ------------------------- |
164 | # Substitutes the variable pkgconfigdir as the location where a module | 219 | dnl Since: 0.27 |
165 | # should install pkg-config .pc files. By default the directory is | 220 | dnl |
166 | # $libdir/pkgconfig, but the default can be changed by passing | 221 | dnl Substitutes the variable pkgconfigdir as the location where a module |
167 | # DIRECTORY. The user can override through the --with-pkgconfigdir | 222 | dnl should install pkg-config .pc files. By default the directory is |
168 | # parameter. | 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. | ||
169 | AC_DEFUN([PKG_INSTALLDIR], | 226 | AC_DEFUN([PKG_INSTALLDIR], |
170 | [m4_pushdef([pkg_default], [m4_default([$1], ['${libdir}/pkgconfig'])]) | 227 | [m4_pushdef([pkg_default], [m4_default([$1], ['${libdir}/pkgconfig'])]) |
171 | m4_pushdef([pkg_description], | 228 | m4_pushdef([pkg_description], |
@@ -176,16 +233,18 @@ AC_ARG_WITH([pkgconfigdir], | |||
176 | AC_SUBST([pkgconfigdir], [$with_pkgconfigdir]) | 233 | AC_SUBST([pkgconfigdir], [$with_pkgconfigdir]) |
177 | m4_popdef([pkg_default]) | 234 | m4_popdef([pkg_default]) |
178 | m4_popdef([pkg_description]) | 235 | m4_popdef([pkg_description]) |
179 | ]) dnl PKG_INSTALLDIR | 236 | ])dnl PKG_INSTALLDIR |
180 | 237 | ||
181 | 238 | ||
182 | # PKG_NOARCH_INSTALLDIR(DIRECTORY) | 239 | dnl PKG_NOARCH_INSTALLDIR([DIRECTORY]) |
183 | # ------------------------- | 240 | dnl -------------------------------- |
184 | # Substitutes the variable noarch_pkgconfigdir as the location where a | 241 | dnl Since: 0.27 |
185 | # module should install arch-independent pkg-config .pc files. By | 242 | dnl |
186 | # default the directory is $datadir/pkgconfig, but the default can be | 243 | dnl Substitutes the variable noarch_pkgconfigdir as the location where a |
187 | # changed by passing DIRECTORY. The user can override through the | 244 | dnl module should install arch-independent pkg-config .pc files. By |
188 | # --with-noarch-pkgconfigdir parameter. | 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. | ||
189 | AC_DEFUN([PKG_NOARCH_INSTALLDIR], | 248 | AC_DEFUN([PKG_NOARCH_INSTALLDIR], |
190 | [m4_pushdef([pkg_default], [m4_default([$1], ['${datadir}/pkgconfig'])]) | 249 | [m4_pushdef([pkg_default], [m4_default([$1], ['${datadir}/pkgconfig'])]) |
191 | m4_pushdef([pkg_description], | 250 | m4_pushdef([pkg_description], |
@@ -196,13 +255,15 @@ AC_ARG_WITH([noarch-pkgconfigdir], | |||
196 | AC_SUBST([noarch_pkgconfigdir], [$with_noarch_pkgconfigdir]) | 255 | AC_SUBST([noarch_pkgconfigdir], [$with_noarch_pkgconfigdir]) |
197 | m4_popdef([pkg_default]) | 256 | m4_popdef([pkg_default]) |
198 | m4_popdef([pkg_description]) | 257 | m4_popdef([pkg_description]) |
199 | ]) dnl PKG_NOARCH_INSTALLDIR | 258 | ])dnl PKG_NOARCH_INSTALLDIR |
200 | 259 | ||
201 | 260 | ||
202 | # PKG_CHECK_VAR(VARIABLE, MODULE, CONFIG-VARIABLE, | 261 | dnl PKG_CHECK_VAR(VARIABLE, MODULE, CONFIG-VARIABLE, |
203 | # [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) | 262 | dnl [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) |
204 | # ------------------------------------------- | 263 | dnl ------------------------------------------- |
205 | # Retrieves the value of the pkg-config variable for the given module. | 264 | dnl Since: 0.28 |
265 | dnl | ||
266 | dnl Retrieves the value of the pkg-config variable for the given module. | ||
206 | AC_DEFUN([PKG_CHECK_VAR], | 267 | AC_DEFUN([PKG_CHECK_VAR], |
207 | [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl | 268 | [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl |
208 | AC_ARG_VAR([$1], [value of $3 for $2, overriding pkg-config])dnl | 269 | AC_ARG_VAR([$1], [value of $3 for $2, overriding pkg-config])dnl |
@@ -211,4 +272,4 @@ _PKG_CONFIG([$1], [variable="][$3]["], [$2]) | |||
211 | AS_VAR_COPY([$1], [pkg_cv_][$1]) | 272 | AS_VAR_COPY([$1], [pkg_cv_][$1]) |
212 | 273 | ||
213 | AS_VAR_IF([$1], [""], [$5], [$4])dnl | 274 | AS_VAR_IF([$1], [""], [$5], [$4])dnl |
214 | ])# PKG_CHECK_VAR | 275 | ])dnl PKG_CHECK_VAR |