1# generated automatically by aclocal 1.16.1 -*- Autoconf -*- 2 3# Copyright (C) 1996-2018 Free Software Foundation, Inc. 4 5# This file is free software; the Free Software Foundation 6# gives unlimited permission to copy and/or distribute it, 7# with or without modifications, as long as this notice is preserved. 8 9# This program is distributed in the hope that it will be useful, 10# but WITHOUT ANY WARRANTY, to the extent permitted by law; without 11# even the implied warranty of MERCHANTABILITY or FITNESS FOR A 12# PARTICULAR PURPOSE. 13 14m4_ifndef([AC_CONFIG_MACRO_DIRS], [m4_defun([_AM_CONFIG_MACRO_DIRS], [])m4_defun([AC_CONFIG_MACRO_DIRS], [_AM_CONFIG_MACRO_DIRS($@)])]) 15m4_ifndef([AC_AUTOCONF_VERSION], 16 [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl 17m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.69],, 18[m4_warning([this file was generated for autoconf 2.69. 19You have another version of autoconf. It may work, but is not guaranteed to. 20If you have problems, you may need to regenerate the build system entirely. 21To do so, use the procedure documented by the package, typically 'autoreconf'.])]) 22 23# gnome-compiler-flags.m4 24# 25# serial 4 26# 27 28dnl GNOME_COMPILE_WARNINGS 29dnl Turn on many useful compiler warnings and substitute the result into 30dnl WARN_CFLAGS 31dnl For now, only works on GCC 32dnl Pass the default value of the --enable-compile-warnings configure option as 33dnl the first argument to the macro, defaulting to 'yes'. 34dnl Additional warning/error flags can be passed as an optional second argument. 35dnl 36dnl For example: GNOME_COMPILE_WARNINGS([maximum],[-Werror=some-flag -Wfoobar]) 37AU_DEFUN([GNOME_COMPILE_WARNINGS],[ 38 dnl ****************************** 39 dnl More compiler warnings 40 dnl ****************************** 41 42 AC_ARG_ENABLE(compile-warnings, 43 AS_HELP_STRING([--enable-compile-warnings=@<:@no/minimum/yes/maximum/error@:>@], 44 [Turn on compiler warnings]),, 45 [enable_compile_warnings="m4_default([$1],[yes])"]) 46 47 if test "x$GCC" != xyes; then 48 enable_compile_warnings=no 49 fi 50 51 warning_flags= 52 realsave_CFLAGS="$CFLAGS" 53 54 dnl These are warning flags that aren't marked as fatal. Can be 55 dnl overridden on a per-project basis with -Wno-foo. 56 base_warn_flags=" \ 57 -Wall \ 58 -Wstrict-prototypes \ 59 -Wnested-externs \ 60 " 61 62 dnl These compiler flags typically indicate very broken or suspicious 63 dnl code. Some of them such as implicit-function-declaration are 64 dnl just not default because gcc compiles a lot of legacy code. 65 dnl We choose to make this set into explicit errors. 66 base_error_flags=" \ 67 -Werror=missing-prototypes \ 68 -Werror=implicit-function-declaration \ 69 -Werror=pointer-arith \ 70 -Werror=init-self \ 71 -Werror=format-security \ 72 -Werror=format=2 \ 73 -Werror=missing-include-dirs \ 74 -Werror=return-type \ 75 " 76 77 dnl Additional warning or error flags provided by the module author to 78 dnl allow stricter standards to be imposed on a per-module basis. 79 dnl The author can pass -W or -Werror flags here as they see fit. 80 additional_flags="m4_default([$2],[])" 81 82 case "$enable_compile_warnings" in 83 no) 84 warning_flags="-w" 85 ;; 86 minimum) 87 warning_flags="-Wall" 88 ;; 89 yes|maximum|error) 90 warning_flags="$base_warn_flags $base_error_flags $additional_flags" 91 ;; 92 *) 93 AC_MSG_ERROR(Unknown argument '$enable_compile_warnings' to --enable-compile-warnings) 94 ;; 95 esac 96 97 if test "$enable_compile_warnings" = "error" ; then 98 warning_flags="$warning_flags -Werror" 99 fi 100 101 dnl Check whether GCC supports the warning options 102 for option in $warning_flags; do 103 save_CFLAGS="$CFLAGS" 104 CFLAGS="$CFLAGS $option" 105 AC_MSG_CHECKING([whether gcc understands $option]) 106 AC_TRY_COMPILE([], [], 107 has_option=yes, 108 has_option=no,) 109 CFLAGS="$save_CFLAGS" 110 AC_MSG_RESULT([$has_option]) 111 if test $has_option = yes; then 112 tested_warning_flags="$tested_warning_flags $option" 113 fi 114 unset has_option 115 unset save_CFLAGS 116 done 117 unset option 118 CFLAGS="$realsave_CFLAGS" 119 AC_MSG_CHECKING(what warning flags to pass to the C compiler) 120 AC_MSG_RESULT($tested_warning_flags) 121 122 AC_ARG_ENABLE(iso-c, 123 AS_HELP_STRING([--enable-iso-c], 124 [Try to warn if code is not ISO C ]),, 125 [enable_iso_c=no]) 126 127 AC_MSG_CHECKING(what language compliance flags to pass to the C compiler) 128 complCFLAGS= 129 if test "x$enable_iso_c" != "xno"; then 130 if test "x$GCC" = "xyes"; then 131 case " $CFLAGS " in 132 *[\ \ ]-ansi[\ \ ]*) ;; 133 *) complCFLAGS="$complCFLAGS -ansi" ;; 134 esac 135 case " $CFLAGS " in 136 *[\ \ ]-pedantic[\ \ ]*) ;; 137 *) complCFLAGS="$complCFLAGS -pedantic" ;; 138 esac 139 fi 140 fi 141 AC_MSG_RESULT($complCFLAGS) 142 143 WARN_CFLAGS="$tested_warning_flags $complCFLAGS" 144 AC_SUBST(WARN_CFLAGS) 145], 146[[$0: This macro is deprecated. You should use AX_COMPILER_FLAGS instead and 147eliminate use of --enable-iso-c. 148See: http://www.gnu.org/software/autoconf-archive/ax_compiler_flags.html#ax_compiler_flags]]) 149 150dnl For C++, do basically the same thing. 151 152AU_DEFUN([GNOME_CXX_WARNINGS],[ 153 AC_ARG_ENABLE(cxx-warnings, 154 AS_HELP_STRING([--enable-cxx-warnings=@<:@no/minimum/yes@:>@] 155 [Turn on compiler warnings.]),, 156 [enable_cxx_warnings="m4_default([$1],[minimum])"]) 157 158 AC_MSG_CHECKING(what warning flags to pass to the C++ compiler) 159 warnCXXFLAGS= 160 if test "x$GXX" != xyes; then 161 enable_cxx_warnings=no 162 fi 163 if test "x$enable_cxx_warnings" != "xno"; then 164 if test "x$GXX" = "xyes"; then 165 case " $CXXFLAGS " in 166 *[\ \ ]-Wall[\ \ ]*) ;; 167 *) warnCXXFLAGS="-Wall -Wno-unused" ;; 168 esac 169 170 ## -W is not all that useful. And it cannot be controlled 171 ## with individual -Wno-xxx flags, unlike -Wall 172 if test "x$enable_cxx_warnings" = "xyes"; then 173 warnCXXFLAGS="$warnCXXFLAGS -Wshadow -Woverloaded-virtual" 174 fi 175 fi 176 fi 177 AC_MSG_RESULT($warnCXXFLAGS) 178 179 AC_ARG_ENABLE(iso-cxx, 180 AS_HELP_STRING([--enable-iso-cxx], 181 [Try to warn if code is not ISO C++ ]),, 182 [enable_iso_cxx=no]) 183 184 AC_MSG_CHECKING(what language compliance flags to pass to the C++ compiler) 185 complCXXFLAGS= 186 if test "x$enable_iso_cxx" != "xno"; then 187 if test "x$GXX" = "xyes"; then 188 case " $CXXFLAGS " in 189 *[\ \ ]-ansi[\ \ ]*) ;; 190 *) complCXXFLAGS="$complCXXFLAGS -ansi" ;; 191 esac 192 193 case " $CXXFLAGS " in 194 *[\ \ ]-pedantic[\ \ ]*) ;; 195 *) complCXXFLAGS="$complCXXFLAGS -pedantic" ;; 196 esac 197 fi 198 fi 199 AC_MSG_RESULT($complCXXFLAGS) 200 201 WARN_CXXFLAGS="$CXXFLAGS $warnCXXFLAGS $complCXXFLAGS" 202 AC_SUBST(WARN_CXXFLAGS) 203], 204[[$0: This macro is deprecated. You should use AX_COMPILER_FLAGS instead and 205eliminate use of --enable-iso-cxx. 206See: http://www.gnu.org/software/autoconf-archive/ax_compiler_flags.html#ax_compiler_flags]]) 207 208# Configure paths for GTK+ 209# Owen Taylor 1997-2001 210 211# Version number used by aclocal, see `info automake Serials`. 212# Increment on every change. 213#serial 1 214 215dnl AM_PATH_GTK_3_0([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MODULES]]]]) 216dnl Test for GTK+, and define GTK_CFLAGS and GTK_LIBS, if gthread is specified in MODULES, 217dnl pass to pkg-config 218dnl 219AC_DEFUN([AM_PATH_GTK_3_0], 220[m4_warn([obsolete], [AM_PATH_GTK_3_0 is deprecated, use PKG_CHECK_MODULES([GTK], [gtk+-3.0]) instead]) 221dnl Get the cflags and libraries from pkg-config 222dnl 223AC_ARG_ENABLE(gtktest, [ --disable-gtktest do not try to compile and run a test GTK+ program], 224 , enable_gtktest=yes) 225 min_gtk_version=ifelse([$1], [], [3.0.0], [$1]) 226 227 pkg_config_args="gtk+-3.0 >= $min_gtk_version" 228 for module in . $4 229 do 230 case "$module" in 231 gthread) 232 pkg_config_args="$pkg_config_args gthread-2.0" 233 ;; 234 esac 235 done 236 237 no_gtk="" 238 239 PKG_PROG_PKG_CONFIG([0.16]) 240 241 if test -z "$PKG_CONFIG"; then 242 no_gtk=yes 243 fi 244 245 AC_MSG_CHECKING(for GTK+ - version >= $min_gtk_version) 246 247 if test -n "$PKG_CONFIG"; then 248 ## don't try to run the test against uninstalled libtool libs 249 if $PKG_CONFIG --uninstalled $pkg_config_args; then 250 echo "Will use uninstalled version of GTK+ found in PKG_CONFIG_PATH" 251 enable_gtktest=no 252 fi 253 254 if $PKG_CONFIG $pkg_config_args; then 255 : 256 else 257 no_gtk=yes 258 fi 259 fi 260 261 if test x"$no_gtk" = x ; then 262 GTK_CFLAGS=`$PKG_CONFIG $pkg_config_args --cflags` 263 GTK_LIBS=`$PKG_CONFIG $pkg_config_args --libs` 264 gtk_config_major_version=`$PKG_CONFIG --modversion gtk+-3.0 | \ 265 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'` 266 gtk_config_minor_version=`$PKG_CONFIG --modversion gtk+-3.0 | \ 267 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'` 268 gtk_config_micro_version=`$PKG_CONFIG --modversion gtk+-3.0 | \ 269 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'` 270 if test "x$enable_gtktest" = "xyes" ; then 271 ac_save_CFLAGS="$CFLAGS" 272 ac_save_LIBS="$LIBS" 273 CFLAGS="$CFLAGS $GTK_CFLAGS" 274 LIBS="$GTK_LIBS $LIBS" 275dnl 276dnl Now check if the installed GTK+ is sufficiently new. (Also sanity 277dnl checks the results of pkg-config to some extent) 278dnl 279 rm -f conf.gtktest 280 AC_TRY_RUN([ 281#include <gtk/gtk.h> 282#include <stdio.h> 283#include <stdlib.h> 284 285int 286main () 287{ 288 unsigned int major, minor, micro; 289 290 fclose (fopen ("conf.gtktest", "w")); 291 292 if (sscanf("$min_gtk_version", "%u.%u.%u", &major, &minor, µ) != 3) { 293 printf("%s, bad version string\n", "$min_gtk_version"); 294 exit(1); 295 } 296 297 if ((gtk_major_version != $gtk_config_major_version) || 298 (gtk_minor_version != $gtk_config_minor_version) || 299 (gtk_micro_version != $gtk_config_micro_version)) 300 { 301 printf("\n*** 'pkg-config --modversion gtk+-3.0' returned %d.%d.%d, but GTK+ (%d.%d.%d)\n", 302 $gtk_config_major_version, $gtk_config_minor_version, $gtk_config_micro_version, 303 gtk_major_version, gtk_minor_version, gtk_micro_version); 304 printf ("*** was found! If pkg-config was correct, then it is best\n"); 305 printf ("*** to remove the old version of GTK+. You may also be able to fix the error\n"); 306 printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n"); 307 printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n"); 308 printf("*** required on your system.\n"); 309 printf("*** If pkg-config was wrong, set the environment variable PKG_CONFIG_PATH\n"); 310 printf("*** to point to the correct configuration files\n"); 311 } 312 else if ((gtk_major_version != GTK_MAJOR_VERSION) || 313 (gtk_minor_version != GTK_MINOR_VERSION) || 314 (gtk_micro_version != GTK_MICRO_VERSION)) 315 { 316 printf("*** GTK+ header files (version %d.%d.%d) do not match\n", 317 GTK_MAJOR_VERSION, GTK_MINOR_VERSION, GTK_MICRO_VERSION); 318 printf("*** library (version %d.%d.%d)\n", 319 gtk_major_version, gtk_minor_version, gtk_micro_version); 320 } 321 else 322 { 323 if ((gtk_major_version > major) || 324 ((gtk_major_version == major) && (gtk_minor_version > minor)) || 325 ((gtk_major_version == major) && (gtk_minor_version == minor) && (gtk_micro_version >= micro))) 326 { 327 return 0; 328 } 329 else 330 { 331 printf("\n*** An old version of GTK+ (%u.%u.%u) was found.\n", 332 gtk_major_version, gtk_minor_version, gtk_micro_version); 333 printf("*** You need a version of GTK+ newer than %u.%u.%u. The latest version of\n", 334 major, minor, micro); 335 printf("*** GTK+ is always available from ftp://ftp.gtk.org.\n"); 336 printf("***\n"); 337 printf("*** If you have already installed a sufficiently new version, this error\n"); 338 printf("*** probably means that the wrong copy of the pkg-config shell script is\n"); 339 printf("*** being found. The easiest way to fix this is to remove the old version\n"); 340 printf("*** of GTK+, but you can also set the PKG_CONFIG environment to point to the\n"); 341 printf("*** correct copy of pkg-config. (In this case, you will have to\n"); 342 printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n"); 343 printf("*** so that the correct libraries are found at run-time))\n"); 344 } 345 } 346 return 1; 347} 348],, no_gtk=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"]) 349 CFLAGS="$ac_save_CFLAGS" 350 LIBS="$ac_save_LIBS" 351 fi 352 fi 353 if test "x$no_gtk" = x ; then 354 AC_MSG_RESULT(yes (version $gtk_config_major_version.$gtk_config_minor_version.$gtk_config_micro_version)) 355 ifelse([$2], , :, [$2]) 356 else 357 AC_MSG_RESULT(no) 358 if test -z "$PKG_CONFIG"; then 359 echo "*** A new enough version of pkg-config was not found." 360 echo "*** See http://pkgconfig.sourceforge.net" 361 else 362 if test -f conf.gtktest ; then 363 : 364 else 365 echo "*** Could not run GTK+ test program, checking why..." 366 ac_save_CFLAGS="$CFLAGS" 367 ac_save_LIBS="$LIBS" 368 CFLAGS="$CFLAGS $GTK_CFLAGS" 369 LIBS="$LIBS $GTK_LIBS" 370 AC_TRY_LINK([ 371#include <gtk/gtk.h> 372#include <stdio.h> 373], [ return ((gtk_major_version) || (gtk_minor_version) || (gtk_micro_version)); ], 374 [ echo "*** The test program compiled, but did not run. This usually means" 375 echo "*** that the run-time linker is not finding GTK+ or finding the wrong" 376 echo "*** version of GTK+. If it is not finding GTK+, you'll need to set your" 377 echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point" 378 echo "*** to the installed location Also, make sure you have run ldconfig if that" 379 echo "*** is required on your system" 380 echo "***" 381 echo "*** If you have an old version installed, it is best to remove it, although" 382 echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH" ], 383 [ echo "*** The test program failed to compile or link. See the file config.log for the" 384 echo "*** exact error that occurred. This usually means GTK+ is incorrectly installed."]) 385 CFLAGS="$ac_save_CFLAGS" 386 LIBS="$ac_save_LIBS" 387 fi 388 fi 389 GTK_CFLAGS="" 390 GTK_LIBS="" 391 ifelse([$3], , :, [$3]) 392 fi 393 AC_SUBST(GTK_CFLAGS) 394 AC_SUBST(GTK_LIBS) 395 rm -f conf.gtktest 396]) 397 398dnl GTK_CHECK_BACKEND(BACKEND-NAME [, MINIMUM-VERSION [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]]) 399dnl Tests for BACKEND-NAME in the GTK targets list 400dnl 401AC_DEFUN([GTK_CHECK_BACKEND], 402[m4_warn([obsolete], [GTK_CHECK_BACKEND is deprecated, use PKG_CHECK_MODULES([GTK_X11], [gtk+-x11-3.0]) or similar instead]) 403 pkg_config_args=ifelse([$1],,gtk+-3.0, gtk+-$1-3.0) 404 min_gtk_version=ifelse([$2],,3.0.0,$2) 405 pkg_config_args="$pkg_config_args >= $min_gtk_version" 406 407 PKG_PROG_PKG_CONFIG([0.16]) 408 AS_IF([test -z "$PKG_CONFIG"], [AC_MSG_ERROR([No pkg-config found])]) 409 410 if $PKG_CONFIG $pkg_config_args ; then 411 target_found=yes 412 else 413 target_found=no 414 fi 415 416 if test "x$target_found" = "xno"; then 417 ifelse([$4],,[AC_MSG_ERROR([Backend $backend not found.])],[$4]) 418 else 419 ifelse([$3],,[:],[$3]) 420 fi 421]) 422 423dnl -*- mode: autoconf -*- 424dnl Copyright 2009 Johan Dahlin 425dnl 426dnl This file is free software; the author(s) gives unlimited 427dnl permission to copy and/or distribute it, with or without 428dnl modifications, as long as this notice is preserved. 429dnl 430 431# serial 1 432 433m4_define([_GOBJECT_INTROSPECTION_CHECK_INTERNAL], 434[ 435 AC_BEFORE([AC_PROG_LIBTOOL],[$0])dnl setup libtool first 436 AC_BEFORE([AM_PROG_LIBTOOL],[$0])dnl setup libtool first 437 AC_BEFORE([LT_INIT],[$0])dnl setup libtool first 438 439 dnl enable/disable introspection 440 m4_if([$2], [require], 441 [dnl 442 enable_introspection=yes 443 ],[dnl 444 AC_ARG_ENABLE(introspection, 445 AS_HELP_STRING([--enable-introspection[=@<:@no/auto/yes@:>@]], 446 [Enable introspection for this build]),, 447 [enable_introspection=auto]) 448 ])dnl 449 450 AC_MSG_CHECKING([for gobject-introspection]) 451 452 dnl presence/version checking 453 AS_CASE([$enable_introspection], 454 [no], [dnl 455 found_introspection="no (disabled, use --enable-introspection to enable)" 456 ],dnl 457 [yes],[dnl 458 PKG_CHECK_EXISTS([gobject-introspection-1.0],, 459 AC_MSG_ERROR([gobject-introspection-1.0 is not installed])) 460 PKG_CHECK_EXISTS([gobject-introspection-1.0 >= $1], 461 found_introspection=yes, 462 AC_MSG_ERROR([You need to have gobject-introspection >= $1 installed to build AC_PACKAGE_NAME])) 463 ],dnl 464 [auto],[dnl 465 PKG_CHECK_EXISTS([gobject-introspection-1.0 >= $1], found_introspection=yes, found_introspection=no) 466 dnl Canonicalize enable_introspection 467 enable_introspection=$found_introspection 468 ],dnl 469 [dnl 470 AC_MSG_ERROR([invalid argument passed to --enable-introspection, should be one of @<:@no/auto/yes@:>@]) 471 ])dnl 472 473 AC_MSG_RESULT([$found_introspection]) 474 475 INTROSPECTION_SCANNER= 476 INTROSPECTION_COMPILER= 477 INTROSPECTION_GENERATE= 478 INTROSPECTION_GIRDIR= 479 INTROSPECTION_TYPELIBDIR= 480 if test "x$found_introspection" = "xyes"; then 481 INTROSPECTION_SCANNER=`$PKG_CONFIG --variable=g_ir_scanner gobject-introspection-1.0` 482 INTROSPECTION_COMPILER=`$PKG_CONFIG --variable=g_ir_compiler gobject-introspection-1.0` 483 INTROSPECTION_GENERATE=`$PKG_CONFIG --variable=g_ir_generate gobject-introspection-1.0` 484 INTROSPECTION_GIRDIR=`$PKG_CONFIG --variable=girdir gobject-introspection-1.0` 485 INTROSPECTION_TYPELIBDIR="$($PKG_CONFIG --variable=typelibdir gobject-introspection-1.0)" 486 INTROSPECTION_CFLAGS=`$PKG_CONFIG --cflags gobject-introspection-1.0` 487 INTROSPECTION_LIBS=`$PKG_CONFIG --libs gobject-introspection-1.0` 488 INTROSPECTION_MAKEFILE=`$PKG_CONFIG --variable=datadir gobject-introspection-1.0`/gobject-introspection-1.0/Makefile.introspection 489 fi 490 AC_SUBST(INTROSPECTION_SCANNER) 491 AC_SUBST(INTROSPECTION_COMPILER) 492 AC_SUBST(INTROSPECTION_GENERATE) 493 AC_SUBST(INTROSPECTION_GIRDIR) 494 AC_SUBST(INTROSPECTION_TYPELIBDIR) 495 AC_SUBST(INTROSPECTION_CFLAGS) 496 AC_SUBST(INTROSPECTION_LIBS) 497 AC_SUBST(INTROSPECTION_MAKEFILE) 498 499 AM_CONDITIONAL(HAVE_INTROSPECTION, test "x$found_introspection" = "xyes") 500]) 501 502 503dnl Usage: 504dnl GOBJECT_INTROSPECTION_CHECK([minimum-g-i-version]) 505 506AC_DEFUN([GOBJECT_INTROSPECTION_CHECK], 507[ 508 _GOBJECT_INTROSPECTION_CHECK_INTERNAL([$1]) 509]) 510 511dnl Usage: 512dnl GOBJECT_INTROSPECTION_REQUIRE([minimum-g-i-version]) 513 514 515AC_DEFUN([GOBJECT_INTROSPECTION_REQUIRE], 516[ 517 _GOBJECT_INTROSPECTION_CHECK_INTERNAL([$1], [require]) 518]) 519 520dnl pkg.m4 - Macros to locate and utilise pkg-config. -*- Autoconf -*- 521dnl serial 11 (pkg-config-0.29.1) 522dnl 523dnl Copyright © 2004 Scott James Remnant <scott@netsplit.com>. 524dnl Copyright © 2012-2015 Dan Nicholson <dbn.lists@gmail.com> 525dnl 526dnl This program is free software; you can redistribute it and/or modify 527dnl it under the terms of the GNU General Public License as published by 528dnl the Free Software Foundation; either version 2 of the License, or 529dnl (at your option) any later version. 530dnl 531dnl This program is distributed in the hope that it will be useful, but 532dnl WITHOUT ANY WARRANTY; without even the implied warranty of 533dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 534dnl General Public License for more details. 535dnl 536dnl You should have received a copy of the GNU General Public License 537dnl along with this program; if not, write to the Free Software 538dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 539dnl 02111-1307, USA. 540dnl 541dnl As a special exception to the GNU General Public License, if you 542dnl distribute this file as part of a program that contains a 543dnl configuration script generated by Autoconf, you may include it under 544dnl the same distribution terms that you use for the rest of that 545dnl program. 546 547dnl PKG_PREREQ(MIN-VERSION) 548dnl ----------------------- 549dnl Since: 0.29 550dnl 551dnl Verify that the version of the pkg-config macros are at least 552dnl MIN-VERSION. Unlike PKG_PROG_PKG_CONFIG, which checks the user's 553dnl installed version of pkg-config, this checks the developer's version 554dnl of pkg.m4 when generating configure. 555dnl 556dnl To ensure that this macro is defined, also add: 557dnl m4_ifndef([PKG_PREREQ], 558dnl [m4_fatal([must install pkg-config 0.29 or later before running autoconf/autogen])]) 559dnl 560dnl See the "Since" comment for each macro you use to see what version 561dnl of the macros you require. 562m4_defun([PKG_PREREQ], 563[m4_define([PKG_MACROS_VERSION], [0.29.1]) 564m4_if(m4_version_compare(PKG_MACROS_VERSION, [$1]), -1, 565 [m4_fatal([pkg.m4 version $1 or higher is required but ]PKG_MACROS_VERSION[ found])]) 566])dnl PKG_PREREQ 567 568dnl PKG_PROG_PKG_CONFIG([MIN-VERSION]) 569dnl ---------------------------------- 570dnl Since: 0.16 571dnl 572dnl Search for the pkg-config tool and set the PKG_CONFIG variable to 573dnl first found in the path. Checks that the version of pkg-config found 574dnl is at least MIN-VERSION. If MIN-VERSION is not specified, 0.9.0 is 575dnl used since that's the first version where most current features of 576dnl pkg-config existed. 577AC_DEFUN([PKG_PROG_PKG_CONFIG], 578[m4_pattern_forbid([^_?PKG_[A-Z_]+$]) 579m4_pattern_allow([^PKG_CONFIG(_(PATH|LIBDIR|SYSROOT_DIR|ALLOW_SYSTEM_(CFLAGS|LIBS)))?$]) 580m4_pattern_allow([^PKG_CONFIG_(DISABLE_UNINSTALLED|TOP_BUILD_DIR|DEBUG_SPEW)$]) 581AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility]) 582AC_ARG_VAR([PKG_CONFIG_PATH], [directories to add to pkg-config's search path]) 583AC_ARG_VAR([PKG_CONFIG_LIBDIR], [path overriding pkg-config's built-in search path]) 584 585if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then 586 AC_PATH_TOOL([PKG_CONFIG], [pkg-config]) 587fi 588if test -n "$PKG_CONFIG"; then 589 _pkg_min_version=m4_default([$1], [0.9.0]) 590 AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version]) 591 if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then 592 AC_MSG_RESULT([yes]) 593 else 594 AC_MSG_RESULT([no]) 595 PKG_CONFIG="" 596 fi 597fi[]dnl 598])dnl PKG_PROG_PKG_CONFIG 599 600dnl PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) 601dnl ------------------------------------------------------------------- 602dnl Since: 0.18 603dnl 604dnl Check to see whether a particular set of modules exists. Similar to 605dnl PKG_CHECK_MODULES(), but does not set variables or print errors. 606dnl 607dnl Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG]) 608dnl only at the first occurence in configure.ac, so if the first place 609dnl it's called might be skipped (such as if it is within an "if", you 610dnl have to call PKG_CHECK_EXISTS manually 611AC_DEFUN([PKG_CHECK_EXISTS], 612[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl 613if test -n "$PKG_CONFIG" && \ 614 AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then 615 m4_default([$2], [:]) 616m4_ifvaln([$3], [else 617 $3])dnl 618fi]) 619 620dnl _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES]) 621dnl --------------------------------------------- 622dnl Internal wrapper calling pkg-config via PKG_CONFIG and setting 623dnl pkg_failed based on the result. 624m4_define([_PKG_CONFIG], 625[if test -n "$$1"; then 626 pkg_cv_[]$1="$$1" 627 elif test -n "$PKG_CONFIG"; then 628 PKG_CHECK_EXISTS([$3], 629 [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null` 630 test "x$?" != "x0" && pkg_failed=yes ], 631 [pkg_failed=yes]) 632 else 633 pkg_failed=untried 634fi[]dnl 635])dnl _PKG_CONFIG 636 637dnl _PKG_SHORT_ERRORS_SUPPORTED 638dnl --------------------------- 639dnl Internal check to see if pkg-config supports short errors. 640AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED], 641[AC_REQUIRE([PKG_PROG_PKG_CONFIG]) 642if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then 643 _pkg_short_errors_supported=yes 644else 645 _pkg_short_errors_supported=no 646fi[]dnl 647])dnl _PKG_SHORT_ERRORS_SUPPORTED 648 649 650dnl PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND], 651dnl [ACTION-IF-NOT-FOUND]) 652dnl -------------------------------------------------------------- 653dnl Since: 0.4.0 654dnl 655dnl Note that if there is a possibility the first call to 656dnl PKG_CHECK_MODULES might not happen, you should be sure to include an 657dnl explicit call to PKG_PROG_PKG_CONFIG in your configure.ac 658AC_DEFUN([PKG_CHECK_MODULES], 659[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl 660AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl 661AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl 662 663pkg_failed=no 664AC_MSG_CHECKING([for $1]) 665 666_PKG_CONFIG([$1][_CFLAGS], [cflags], [$2]) 667_PKG_CONFIG([$1][_LIBS], [libs], [$2]) 668 669m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS 670and $1[]_LIBS to avoid the need to call pkg-config. 671See the pkg-config man page for more details.]) 672 673if test $pkg_failed = yes; then 674 AC_MSG_RESULT([no]) 675 _PKG_SHORT_ERRORS_SUPPORTED 676 if test $_pkg_short_errors_supported = yes; then 677 $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$2" 2>&1` 678 else 679 $1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$2" 2>&1` 680 fi 681 # Put the nasty error message in config.log where it belongs 682 echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD 683 684 m4_default([$4], [AC_MSG_ERROR( 685[Package requirements ($2) were not met: 686 687$$1_PKG_ERRORS 688 689Consider adjusting the PKG_CONFIG_PATH environment variable if you 690installed software in a non-standard prefix. 691 692_PKG_TEXT])[]dnl 693 ]) 694elif test $pkg_failed = untried; then 695 AC_MSG_RESULT([no]) 696 m4_default([$4], [AC_MSG_FAILURE( 697[The pkg-config script could not be found or is too old. Make sure it 698is in your PATH or set the PKG_CONFIG environment variable to the full 699path to pkg-config. 700 701_PKG_TEXT 702 703To get pkg-config, see <http://pkg-config.freedesktop.org/>.])[]dnl 704 ]) 705else 706 $1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS 707 $1[]_LIBS=$pkg_cv_[]$1[]_LIBS 708 AC_MSG_RESULT([yes]) 709 $3 710fi[]dnl 711])dnl PKG_CHECK_MODULES 712 713 714dnl PKG_CHECK_MODULES_STATIC(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND], 715dnl [ACTION-IF-NOT-FOUND]) 716dnl --------------------------------------------------------------------- 717dnl Since: 0.29 718dnl 719dnl Checks for existence of MODULES and gathers its build flags with 720dnl static libraries enabled. 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Must try -L first in case configure is actually a 1651# symlink; some systems play weird games with the mod time of symlinks 1652# (eg FreeBSD returns the mod time of the symlink's containing 1653# directory). 1654if ( 1655 am_has_slept=no 1656 for am_try in 1 2; do 1657 echo "timestamp, slept: $am_has_slept" > conftest.file 1658 set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null` 1659 if test "$[*]" = "X"; then 1660 # -L didn't work. 1661 set X `ls -t "$srcdir/configure" conftest.file` 1662 fi 1663 if test "$[*]" != "X $srcdir/configure conftest.file" \ 1664 && test "$[*]" != "X conftest.file $srcdir/configure"; then 1665 1666 # If neither matched, then we have a broken ls. This can happen 1667 # if, for instance, CONFIG_SHELL is bash and it inherits a 1668 # broken ls alias from the environment. This has actually 1669 # happened. Such a system could not be considered "sane". 1670 AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken 1671 alias in your environment]) 1672 fi 1673 if test "$[2]" = conftest.file || test $am_try -eq 2; then 1674 break 1675 fi 1676 # Just in case. 1677 sleep 1 1678 am_has_slept=yes 1679 done 1680 test "$[2]" = conftest.file 1681 ) 1682then 1683 # Ok. 1684 : 1685else 1686 AC_MSG_ERROR([newly created file is older than distributed files! 1687Check your system clock]) 1688fi 1689AC_MSG_RESULT([yes]) 1690# If we didn't sleep, we still need to ensure time stamps of config.status and 1691# generated files are strictly newer. 1692am_sleep_pid= 1693if grep 'slept: no' conftest.file >/dev/null 2>&1; then 1694 ( sleep 1 ) & 1695 am_sleep_pid=$! 1696fi 1697AC_CONFIG_COMMANDS_PRE( 1698 [AC_MSG_CHECKING([that generated files are newer than configure]) 1699 if test -n "$am_sleep_pid"; then 1700 # Hide warnings about reused PIDs. 1701 wait $am_sleep_pid 2>/dev/null 1702 fi 1703 AC_MSG_RESULT([done])]) 1704rm -f conftest.file 1705]) 1706 1707# Copyright (C) 2009-2018 Free Software Foundation, Inc. 1708# 1709# This file is free software; the Free Software Foundation 1710# gives unlimited permission to copy and/or distribute it, 1711# with or without modifications, as long as this notice is preserved. 1712 1713# AM_SILENT_RULES([DEFAULT]) 1714# -------------------------- 1715# Enable less verbose build rules; with the default set to DEFAULT 1716# ("yes" being less verbose, "no" or empty being verbose). 1717AC_DEFUN([AM_SILENT_RULES], 1718[AC_ARG_ENABLE([silent-rules], [dnl 1719AS_HELP_STRING( 1720 [--enable-silent-rules], 1721 [less verbose build output (undo: "make V=1")]) 1722AS_HELP_STRING( 1723 [--disable-silent-rules], 1724 [verbose build output (undo: "make V=0")])dnl 1725]) 1726case $enable_silent_rules in @%:@ ((( 1727 yes) AM_DEFAULT_VERBOSITY=0;; 1728 no) AM_DEFAULT_VERBOSITY=1;; 1729 *) AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1]);; 1730esac 1731dnl 1732dnl A few 'make' implementations (e.g., NonStop OS and NextStep) 1733dnl do not support nested variable expansions. 1734dnl See automake bug#9928 and bug#10237. 1735am_make=${MAKE-make} 1736AC_CACHE_CHECK([whether $am_make supports nested variables], 1737 [am_cv_make_support_nested_variables], 1738 [if AS_ECHO([['TRUE=$(BAR$(V)) 1739BAR0=false 1740BAR1=true 1741V=1 1742am__doit: 1743 @$(TRUE) 1744.PHONY: am__doit']]) | $am_make -f - >/dev/null 2>&1; then 1745 am_cv_make_support_nested_variables=yes 1746else 1747 am_cv_make_support_nested_variables=no 1748fi]) 1749if test $am_cv_make_support_nested_variables = yes; then 1750 dnl Using '$V' instead of '$(V)' breaks IRIX make. 1751 AM_V='$(V)' 1752 AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)' 1753else 1754 AM_V=$AM_DEFAULT_VERBOSITY 1755 AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY 1756fi 1757AC_SUBST([AM_V])dnl 1758AM_SUBST_NOTMAKE([AM_V])dnl 1759AC_SUBST([AM_DEFAULT_V])dnl 1760AM_SUBST_NOTMAKE([AM_DEFAULT_V])dnl 1761AC_SUBST([AM_DEFAULT_VERBOSITY])dnl 1762AM_BACKSLASH='\' 1763AC_SUBST([AM_BACKSLASH])dnl 1764_AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl 1765]) 1766 1767# Copyright (C) 2001-2018 Free Software Foundation, Inc. 1768# 1769# This file is free software; the Free Software Foundation 1770# gives unlimited permission to copy and/or distribute it, 1771# with or without modifications, as long as this notice is preserved. 1772 1773# AM_PROG_INSTALL_STRIP 1774# --------------------- 1775# One issue with vendor 'install' (even GNU) is that you can't 1776# specify the program used to strip binaries. This is especially 1777# annoying in cross-compiling environments, where the build's strip 1778# is unlikely to handle the host's binaries. 1779# Fortunately install-sh will honor a STRIPPROG variable, so we 1780# always use install-sh in "make install-strip", and initialize 1781# STRIPPROG with the value of the STRIP variable (set by the user). 1782AC_DEFUN([AM_PROG_INSTALL_STRIP], 1783[AC_REQUIRE([AM_PROG_INSTALL_SH])dnl 1784# Installed binaries are usually stripped using 'strip' when the user 1785# run "make install-strip". However 'strip' might not be the right 1786# tool to use in cross-compilation environments, therefore Automake 1787# will honor the 'STRIP' environment variable to overrule this program. 1788dnl Don't test for $cross_compiling = yes, because it might be 'maybe'. 1789if test "$cross_compiling" != no; then 1790 AC_CHECK_TOOL([STRIP], [strip], :) 1791fi 1792INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s" 1793AC_SUBST([INSTALL_STRIP_PROGRAM])]) 1794 1795# Copyright (C) 2006-2018 Free Software Foundation, Inc. 1796# 1797# This file is free software; the Free Software Foundation 1798# gives unlimited permission to copy and/or distribute it, 1799# with or without modifications, as long as this notice is preserved. 1800 1801# _AM_SUBST_NOTMAKE(VARIABLE) 1802# --------------------------- 1803# Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in. 1804# This macro is traced by Automake. 1805AC_DEFUN([_AM_SUBST_NOTMAKE]) 1806 1807# AM_SUBST_NOTMAKE(VARIABLE) 1808# -------------------------- 1809# Public sister of _AM_SUBST_NOTMAKE. 1810AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)]) 1811 1812# Check how to create a tarball. -*- Autoconf -*- 1813 1814# Copyright (C) 2004-2018 Free Software Foundation, Inc. 1815# 1816# This file is free software; the Free Software Foundation 1817# gives unlimited permission to copy and/or distribute it, 1818# with or without modifications, as long as this notice is preserved. 1819 1820# _AM_PROG_TAR(FORMAT) 1821# -------------------- 1822# Check how to create a tarball in format FORMAT. 1823# FORMAT should be one of 'v7', 'ustar', or 'pax'. 1824# 1825# Substitute a variable $(am__tar) that is a command 1826# writing to stdout a FORMAT-tarball containing the directory 1827# $tardir. 1828# tardir=directory && $(am__tar) > result.tar 1829# 1830# Substitute a variable $(am__untar) that extract such 1831# a tarball read from stdin. 1832# $(am__untar) < result.tar 1833# 1834AC_DEFUN([_AM_PROG_TAR], 1835[# Always define AMTAR for backward compatibility. Yes, it's still used 1836# in the wild :-( We should find a proper way to deprecate it ... 1837AC_SUBST([AMTAR], ['$${TAR-tar}']) 1838 1839# We'll loop over all known methods to create a tar archive until one works. 1840_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none' 1841 1842m4_if([$1], [v7], 1843 [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'], 1844 1845 [m4_case([$1], 1846 [ustar], 1847 [# The POSIX 1988 'ustar' format is defined with fixed-size fields. 1848 # There is notably a 21 bits limit for the UID and the GID. In fact, 1849 # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343 1850 # and bug#13588). 1851 am_max_uid=2097151 # 2^21 - 1 1852 am_max_gid=$am_max_uid 1853 # The $UID and $GID variables are not portable, so we need to resort 1854 # to the POSIX-mandated id(1) utility. Errors in the 'id' calls 1855 # below are definitely unexpected, so allow the users to see them 1856 # (that is, avoid stderr redirection). 1857 am_uid=`id -u || echo unknown` 1858 am_gid=`id -g || echo unknown` 1859 AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format]) 1860 if test $am_uid -le $am_max_uid; then 1861 AC_MSG_RESULT([yes]) 1862 else 1863 AC_MSG_RESULT([no]) 1864 _am_tools=none 1865 fi 1866 AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format]) 1867 if test $am_gid -le $am_max_gid; then 1868 AC_MSG_RESULT([yes]) 1869 else 1870 AC_MSG_RESULT([no]) 1871 _am_tools=none 1872 fi], 1873 1874 [pax], 1875 [], 1876 1877 [m4_fatal([Unknown tar format])]) 1878 1879 AC_MSG_CHECKING([how to create a $1 tar archive]) 1880 1881 # Go ahead even if we have the value already cached. We do so because we 1882 # need to set the values for the 'am__tar' and 'am__untar' variables. 1883 _am_tools=${am_cv_prog_tar_$1-$_am_tools} 1884 1885 for _am_tool in $_am_tools; do 1886 case $_am_tool in 1887 gnutar) 1888 for _am_tar in tar gnutar gtar; do 1889 AM_RUN_LOG([$_am_tar --version]) && break 1890 done 1891 am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"' 1892 am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"' 1893 am__untar="$_am_tar -xf -" 1894 ;; 1895 plaintar) 1896 # Must skip GNU tar: if it does not support --format= it doesn't create 1897 # ustar tarball either. 1898 (tar --version) >/dev/null 2>&1 && continue 1899 am__tar='tar chf - "$$tardir"' 1900 am__tar_='tar chf - "$tardir"' 1901 am__untar='tar xf -' 1902 ;; 1903 pax) 1904 am__tar='pax -L -x $1 -w "$$tardir"' 1905 am__tar_='pax -L -x $1 -w "$tardir"' 1906 am__untar='pax -r' 1907 ;; 1908 cpio) 1909 am__tar='find "$$tardir" -print | cpio -o -H $1 -L' 1910 am__tar_='find "$tardir" -print | cpio -o -H $1 -L' 1911 am__untar='cpio -i -H $1 -d' 1912 ;; 1913 none) 1914 am__tar=false 1915 am__tar_=false 1916 am__untar=false 1917 ;; 1918 esac 1919 1920 # If the value was cached, stop now. We just wanted to have am__tar 1921 # and am__untar set. 1922 test -n "${am_cv_prog_tar_$1}" && break 1923 1924 # tar/untar a dummy directory, and stop if the command works. 1925 rm -rf conftest.dir 1926 mkdir conftest.dir 1927 echo GrepMe > conftest.dir/file 1928 AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar]) 1929 rm -rf conftest.dir 1930 if test -s conftest.tar; then 1931 AM_RUN_LOG([$am__untar <conftest.tar]) 1932 AM_RUN_LOG([cat conftest.dir/file]) 1933 grep GrepMe conftest.dir/file >/dev/null 2>&1 && break 1934 fi 1935 done 1936 rm -rf conftest.dir 1937 1938 AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool]) 1939 AC_MSG_RESULT([$am_cv_prog_tar_$1])]) 1940 1941AC_SUBST([am__tar]) 1942AC_SUBST([am__untar]) 1943]) # _AM_PROG_TAR 1944 1945m4_include([m4/gcov.m4]) 1946m4_include([m4/gtk-doc.m4]) 1947m4_include([m4/libtool.m4]) 1948m4_include([m4/ltoptions.m4]) 1949m4_include([m4/ltsugar.m4]) 1950m4_include([m4/ltversion.m4]) 1951m4_include([m4/lt~obsolete.m4]) 1952