configure.ac

   1 #
   2 # Kmscon - build configuration script
   3 # Copyright (c) 2012 David Herrmann <dh.herrmann@googlemail.com>
   4 #
   5
   6 AC_PREREQ(2.68)
   7
   8 AC_INIT([kmscon], [5])
   9 AC_SUBST(PACKAGE_URL, [https://github.com/dvdhrm/kmscon])
  10 AC_CONFIG_SRCDIR([src/kmscon_main.c])
  11 AC_CONFIG_AUX_DIR([build-aux])
  12 AC_CONFIG_MACRO_DIR([m4])
  13 AC_CONFIG_HEADER(config.h)
  14
  15 AM_INIT_AUTOMAKE([foreign 1.11 subdir-objects dist-bzip2 no-dist-gzip tar-pax -Wall -Werror -Wno-portability])
  16 AM_SILENT_RULES([yes])
  17
  18 #
  19 # Don't add a default "-g -O2" if CFLAGS wasn't specified. For debugging it is
  20 # often more convenient to have "-g -O0". You can still override it by
  21 # explicitely setting it on the command line.
  22 #
  23
  24 : ${CFLAGS=""}
  25
  26 AC_USE_SYSTEM_EXTENSIONS
  27 AC_PROG_CC
  28 AC_PROG_CC_C99
  29 AM_PROG_CC_C_O
  30 AC_PROG_SED
  31 m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
  32
  33 LT_PREREQ(2.2)
  34 LT_INIT
  35
  36 #
  37 # pkg-config dependencies
  38 # This unconditionally checks for all dependencies even if they are disabled. We
  39 # later look whether all required depedencies are met and finish the
  40 # configuration. We group similar packages into one logical group here to avoid
  41 # having variables for each single library.
  42 # This, however, makes ./configure output very unintuitive error messages if a
  43 # package is not found so we must make sure we print more verbose messages
  44 # ourself.
  45 #
  46
  47 PKG_CHECK_MODULES([XKBCOMMON], [xkbcommon],
  48                   [have_xkbcommon=yes], [have_xkbcommon=no])
  49 AC_SUBST(XKBCOMMON_CFLAGS)
  50 AC_SUBST(XKBCOMMON_LIBS)
  51
  52 PKG_CHECK_MODULES([WAYLAND], [wayland-client wayland-server wayland-cursor],
  53                   [have_wayland=yes], [have_wayland=no])
  54 AC_SUBST(WAYLAND_CFLAGS)
  55 AC_SUBST(WAYLAND_LIBS)
  56
  57 PKG_CHECK_MODULES([SYSTEMD], [libsystemd-daemon libsystemd-login],
  58                   [have_systemd=yes], [have_systemd=no])
  59 AC_SUBST(SYSTEMD_CFLAGS)
  60 AC_SUBST(SYSTEMD_LIBS)
  61
  62 PKG_CHECK_MODULES([UDEV], [libudev],
  63                   [have_udev=yes], [have_udev=no])
  64 AC_SUBST(UDEV_CFLAGS)
  65 AC_SUBST(UDEV_LIBS)
  66
  67 PKG_CHECK_MODULES([DBUS], [dbus-1],
  68                   [have_dbus=yes], [have_dbus=no])
  69 AC_SUBST(DBUS_CFLAGS)
  70 AC_SUBST(DBUS_LIBS)
  71
  72 PKG_CHECK_MODULES([DRM], [libdrm],
  73                   [have_drm=yes], [have_drm=no])
  74 AC_SUBST(DRM_CFLAGS)
  75 AC_SUBST(DRM_LIBS)
  76
  77 PKG_CHECK_MODULES([GBM], [gbm],
  78                   [have_gbm=yes], [have_gbm=no])
  79 AC_SUBST(GBM_CFLAGS)
  80 AC_SUBST(GBM_LIBS)
  81
  82 PKG_CHECK_MODULES([EGL], [egl],
  83                   [have_egl=yes], [have_egl=no])
  84 AC_SUBST(EGL_CFLAGS)
  85 AC_SUBST(EGL_LIBS)
  86
  87 PKG_CHECK_MODULES([GLES2], [glesv2],
  88                   [have_gles2=yes], [have_gles2=no])
  89 AC_SUBST(GLES2_CFLAGS)
  90 AC_SUBST(GLES2_LIBS)
  91
  92 PKG_CHECK_MODULES([FREETYPE2], [freetype2 fontconfig],
  93                   [have_freetype2=yes], [have_freetype2=no])
  94 AC_SUBST(FREETYPE2_CFLAGS)
  95 AC_SUBST(FREETYPE2_LIBS)
  96
  97 PKG_CHECK_MODULES([PANGO], [pango pangoft2],
  98                   [have_pango=yes], [have_pango=no])
  99 AC_SUBST(PANGO_CFLAGS)
 100 AC_SUBST(PANGO_LIBS)
 101
 102 PKG_CHECK_MODULES([FUSE], [fuse],
 103                   [have_fuse=yes], [have_fuse=no])
 104 AC_SUBST(FUSE_CFLAGS)
 105 AC_SUBST(FUSE_LIBS)
 106
 107 PKG_CHECK_MODULES([PCIACCESS], [pciaccess],
 108                   [have_pciaccess=yes], [have_pciaccess=no])
 109 AC_SUBST(PCIACCESS_CFLAGS)
 110 AC_SUBST(PCIACCESS_LIBS)
 111
 112 #
 113 # Parse arguments
 114 # This parses all arguments that are given via "--enable-XY" or "--with-XY" and
 115 # saves the results in local variables. This does not check dependencies or
 116 # similar but does only parse the arguments.
 117 #
 118
 119 # eloop
 120 AC_MSG_CHECKING([whether user wants eloop])
 121 AC_ARG_ENABLE([eloop],
 122               [AS_HELP_STRING([--enable-eloop],
 123                               [build eloop library])])
 124 if test "x$enable_eloop" = "x" ; then
 125         enable_eloop="no (default)"
 126 fi
 127 AC_MSG_RESULT([$enable_eloop])
 128
 129 # TSM
 130 AC_MSG_CHECKING([whether user wants TSM])
 131 AC_ARG_ENABLE([tsm],
 132               [AS_HELP_STRING([--enable-tsm],
 133                               [build tsm library])])
 134 if test "x$enable_tsm" = "x" ; then
 135         enable_tsm="no (default)"
 136 fi
 137 AC_MSG_RESULT([$enable_tsm])
 138
 139 # uterm
 140 AC_MSG_CHECKING([whether user wants uterm])
 141 AC_ARG_ENABLE([uterm],
 142               [AS_HELP_STRING([--enable-uterm],
 143                               [build uterm library])])
 144 if test "x$enable_uterm" = "x" ; then
 145         enable_uterm="no (default)"
 146 fi
 147 AC_MSG_RESULT([$enable_uterm])
 148
 149 # kmscon
 150 AC_MSG_CHECKING([whether user wants kmscon])
 151 AC_ARG_ENABLE([kmscon],
 152               [AS_HELP_STRING([--disable-kmscon],
 153                               [do not build kmscon])])
 154 if test "x$enable_kmscon" = "x" ; then
 155         enable_kmscon="yes (default)"
 156 fi
 157 AC_MSG_RESULT([$enable_kmscon])
 158
 159 # wlterm
 160 AC_MSG_CHECKING([whether user wants wlterm])
 161 AC_ARG_ENABLE([wlterm],
 162               [AS_HELP_STRING([--enable-wlterm],
 163                               [build wlterm])])
 164 if test "x$enable_wlterm" = "x" ; then
 165         enable_wlterm="yes (default)"
 166 fi
 167 AC_MSG_RESULT([$enable_wlterm])
 168
 169 # debug
 170 AC_MSG_CHECKING([whether to build with debugging on])
 171 AC_ARG_ENABLE([debug],
 172               [AS_HELP_STRING([--enable-debug],
 173                               [whether to build with debugging on])])
 174 if test "x$enable_debug" = "x" ; then
 175         enable_debug="yes (default)"
 176 fi
 177 AC_MSG_RESULT([$enable_debug])
 178
 179 # optimizations
 180 AC_MSG_CHECKING([whether to disable code optimizations])
 181 AC_ARG_ENABLE([optimizations],
 182               [AS_HELP_STRING([--disable-optimizations],
 183                               [whether to disable code optimizations])])
 184 if test "x$enable_optimizations" = "x" ; then
 185         enable_optimizations="yes (default)"
 186 fi
 187 AC_MSG_RESULT([$enable_optimizations])
 188
 189 # multi-seat
 190 AC_MSG_CHECKING([whether user wants systemd for multi-seat support])
 191 AC_ARG_ENABLE([multi-seat],
 192               [AS_HELP_STRING([--enable-multi-seat],
 193                               [enable multi-seat support with systemd])])
 194 if test "x$enable_multi_seat" = "x" ; then
 195         enable_multi_seat="yes (default)"
 196 fi
 197 AC_MSG_RESULT([$enable_multi_seat])
 198
 199 # hotplug
 200 AC_MSG_CHECKING([whether user wants udev for device hotplug support])
 201 AC_ARG_ENABLE([hotplug],
 202               [AS_HELP_STRING([--enable-hotplug],
 203                               [enable device hotplug support with udev])])
 204 if test "x$enable_hotplug" = "x" ; then
 205         enable_hotplug="yes (default)"
 206 fi
 207 AC_MSG_RESULT([$enable_hotplug])
 208
 209 # pciaccess
 210 AC_MSG_CHECKING([whether user wants pciaccess device detection])
 211 AC_ARG_ENABLE([pciaccess],
 212               [AS_HELP_STRING([--enable-pciaccess],
 213                               [enable device detection via pciaccess])])
 214 if test "x$enable_pciaccess" = "x" ; then
 215         enable_pciaccess="yes (default)"
 216 fi
 217 AC_MSG_RESULT([$enable_pciaccess])
 218
 219 # eloop-dbus
 220 AC_MSG_CHECKING([whether user wants eloop dbus support])
 221 AC_ARG_ENABLE([eloop-dbus],
 222               [AS_HELP_STRING([--enable-eloop-dbus],
 223                               [enable eloop dbus support])])
 224 if test "x$enable_eloop_dbus" = "x" ; then
 225         enable_eloop_dbus="no (default)"
 226 fi
 227 AC_MSG_RESULT([$enable_eloop_dbus])
 228
 229 # video backends
 230 AC_MSG_CHECKING([which video backends the user wants])
 231 AC_ARG_WITH([video],
 232             [AS_HELP_STRING([--with-video],
 233               [specify list of optional video backends])])
 234 enable_video_fbdev="no"
 235 enable_video_dumb="no"
 236 enable_video_drm="no"
 237 if test "x$with_video" = "x" ; then
 238         enable_video_fbdev="yes (default)"
 239         enable_video_dumb="yes (default)"
 240         enable_video_drm="yes (default)"
 241         with_video="fbdev,dumb,drm (default)"
 242 else
 243         SAVEIFS="$IFS"
 244         IFS=","
 245         for i in $with_video ; do
 246                 if test "x$i" = "xfbdev" ; then
 247                         enable_video_fbdev="yes"
 248                 elif test "x$i" = "xdumb" ; then
 249                         enable_video_dumb="yes"
 250                 elif test "x$i" = "xdrm" ; then
 251                         enable_video_drm="yes"
 252                 else
 253                         IFS="$SAVEIFS"
 254                         AC_ERROR([Invalid video backend $i])
 255                 fi
 256         done
 257         IFS="$SAVEIFS"
 258 fi
 259 AC_MSG_RESULT([$with_video])
 260
 261 # renderers
 262 AC_MSG_CHECKING([which render backends the user wants])
 263 AC_ARG_WITH([renderers],
 264             [AS_HELP_STRING([--with-renderers],
 265               [specify list of optional render backends])])
 266 enable_renderer_bblit="no"
 267 enable_renderer_bbulk="no"
 268 enable_renderer_gltex="no"
 269 if test "x$with_renderers" = "x" ; then
 270         enable_renderer_bblit="yes (default)"
 271         enable_renderer_bbulk="yes (default)"
 272         enable_renderer_gltex="yes (default)"
 273         with_renderers="bblit,bbulk,gltex (default)"
 274 else
 275         SAVEIFS="$IFS"
 276         IFS=","
 277         for i in $with_renderers ; do
 278                 if test "x$i" = "xbblit" ; then
 279                         enable_renderer_bblit="yes"
 280                 elif test "x$i" = "xbbulk" ; then
 281                         enable_renderer_bbulk="yes"
 282                 elif test "x$i" = "xgltex" ; then
 283                         enable_renderer_gltex="yes"
 284                 else
 285                         IFS="$SAVEIFS"
 286                         AC_ERROR([Unknown renderer $i])
 287                 fi
 288         done
 289         IFS="$SAVEIFS"
 290 fi
 291 AC_MSG_RESULT([$with_renderers])
 292
 293 # font backends
 294 AC_MSG_CHECKING([which font backends the user wants])
 295 AC_ARG_WITH([fonts],
 296             [AS_HELP_STRING([--with-fonts],
 297               [specify list of optional font backends])])
 298 enable_font_8x16="no"
 299 enable_font_unifont="no"
 300 enable_font_freetype2="no"
 301 enable_font_pango="no"
 302 if test "x$with_fonts" = "x" ; then
 303         enable_font_8x16="yes (default)"
 304         enable_font_unifont="no (default)"
 305         enable_font_freetype2="yes (default)"
 306         enable_font_pango="yes (default)"
 307         with_fonts="8x16,freetype2,pango (default)"
 308 else
 309         SAVEIFS="$IFS"
 310         IFS=","
 311         for i in $with_fonts ; do
 312                 if test "x$i" = "x8x16" ; then
 313                         enable_font_8x16="yes"
 314                 elif test "x$i" = "xunifont" ; then
 315                         enable_font_unifont="yes"
 316                 elif test "x$i" = "xfreetype2" ; then
 317                         enable_font_freetype2="yes"
 318                 elif test "x$i" = "xpango" ; then
 319                         enable_font_pango="yes"
 320                 else
 321                         IFS="$SAVEIFS"
 322                         AC_ERROR([Unknown font backend $i])
 323                 fi
 324         done
 325         IFS="$SAVEIFS"
 326 fi
 327 AC_MSG_RESULT([$with_fonts])
 328
 329 # kmscon sessions
 330 AC_MSG_CHECKING([which sessions the user wants])
 331 AC_ARG_WITH([sessions],
 332             [AS_HELP_STRING([--with-sessions],
 333               [specify list of optional sessions])])
 334 enable_session_dummy="no"
 335 enable_session_terminal="no"
 336 enable_session_cdev="no"
 337 if test "x$with_sessions" = "x" ; then
 338         enable_session_dummy="yes (default)"
 339         enable_session_terminal="yes (default)"
 340         enable_session_cdev="yes (default)"
 341         with_sessions="dummy,terminal,cdev (default)"
 342 else
 343         SAVEIFS="$IFS"
 344         IFS=","
 345         for i in $with_sessions ; do
 346                 if test "x$i" = "xdummy" ; then
 347                         enable_session_dummy="yes"
 348                 elif test "x$i" = "xterminal" ; then
 349                         enable_session_terminal="yes"
 350                 elif test "x$i" = "xcdev" ; then
 351                         enable_session_cdev="yes"
 352                 else
 353                         IFS="$SAVEIFS"
 354                         AC_ERROR([Unknown session type $i])
 355                 fi
 356         done
 357         IFS="$SAVEIFS"
 358 fi
 359 AC_MSG_RESULT([$with_sessions])
 360
 361 #
 362 # Check what can be built
 363 # This checks each configuration option and tests whether all dependencies are
 364 # met. This is done from bottom up to ensure the right order.
 365 #
 366
 367 # debug
 368 debug_avail=no
 369 if test ! "x$enable_debug" = "xno" ; then
 370         debug_avail=yes
 371 fi
 372
 373 # optimizations
 374 optimizations_avail=no
 375 if test ! "x$enable_optimizations" = "xno" ; then
 376         optimizations_avail=yes
 377 fi
 378
 379 # eloop-dbus
 380 eloop_dbus_avail=no
 381 if test ! "x$enable_eloop_dbus" = "xno" ; then
 382         if test "x$have_dbus" = "xyes" ; then
 383                 eloop_dbus_avail=yes
 384         elif test "x$enable_eloop_dbus" = "xyes" ; then
 385                 AC_ERROR([DBus libraries not found for eloop-dbus])
 386         fi
 387 fi
 388
 389 # eloop
 390 eloop_avail=no
 391 if test ! "x$enable_eloop" = "xno" ; then
 392         eloop_avail=yes
 393 fi
 394
 395 # TSM
 396 tsm_avail=no
 397 if test ! "x$enable_tsm" = "xno" ; then
 398         if test "x$have_xkbcommon" = "xyes" ; then
 399                 tsm_avail=yes
 400         elif test "x$enable_tsm" = "xyes" ; then
 401                 AC_ERROR([xkbcommon libraries not found for TSM])
 402         fi
 403 fi
 404
 405 # video fbdev
 406 video_fbdev_avail=no
 407 if test ! "x$enable_video_fbdev" = "xno" ; then
 408         # TODO: check for kernel headers
 409         video_fbdev_avail=yes
 410 fi
 411
 412 # video dumb
 413 video_dumb_avail=no
 414 if test ! "x$enable_video_dumb" = "xno" ; then
 415         if test "x$have_drm" = "xyes" ; then
 416                 video_dumb_avail=yes
 417         elif test "x$enable_video_dumb" = "xyes" ; then
 418                 AC_ERROR([DRM libraries not found for dumb video backend])
 419         fi
 420 fi
 421
 422 # video drm
 423 video_drm_avail=no
 424 if test ! "x$enable_video_drm" = "xno" ; then
 425         if test "x$have_drm" = "xno" ; then
 426                 video_drm_avail=no
 427         elif test "x$have_gbm" = "xno" ; then
 428                 video_drm_avail=no
 429         elif test "x$have_egl" = "xno" ; then
 430                 video_drm_avail=no
 431         elif test "x$have_gles2" = "xno" ; then
 432                 video_drm_avail=no
 433         else
 434                 video_drm_avail=yes
 435         fi
 436
 437         if test "x$video_drm_avail" = "xno" ; then
 438                 if test "x$enable_video_drm" = "xyes" ; then
 439                         AC_ERROR([DRM, gbm or EGL libraries not found for DRM video backend])
 440                 fi
 441         fi
 442 fi
 443
 444 # uterm
 445 uterm_avail=no
 446 if test ! "x$enable_uterm" = "xno" ; then
 447         uterm_avail=yes
 448 fi
 449
 450 # multi-seat
 451 multi_seat_avail=no
 452 if test ! "x$enable_multi_seat" = "xno" ; then
 453         if test "x$have_systemd" = "xyes" ; then
 454                 multi_seat_avail=yes
 455         elif test "x$enable_multi_seat" = "xyes" ; then
 456                 AC_ERROR([systemd libraries not found for multi-seat support])
 457         fi
 458 fi
 459
 460 # hotplug
 461 hotplug_avail=no
 462 if test ! "x$enable_hotplug" = "xno" ; then
 463         if test "x$have_udev" = "xyes" ; then
 464                 hotplug_avail=yes
 465         elif test "x$enable_hotplug" = "xyes" ; then
 466                 AC_ERROR([udev libraries not found for hotplug support])
 467         fi
 468 fi
 469
 470 # pciaccess
 471 pciaccess_avail=no
 472 if test ! "x$enable_pciaccess" = "xno" ; then
 473         if test "x$have_pciaccess" = "xyes" ; then
 474                 pciaccess_avail=yes
 475         elif test "x$enable_pciaccess" = "xyes" ; then
 476                 AC_ERROR([pciaccess libraries not found for pciaccess device detection])
 477         fi
 478 fi
 479
 480 # renderer bblit
 481 renderer_bblit_avail=no
 482 if test ! "x$enable_renderer_bblit" = "xno" ; then
 483         renderer_bblit_avail=yes
 484 fi
 485
 486 # renderer bbulk
 487 renderer_bbulk_avail=no
 488 if test ! "x$enable_renderer_bbulk" = "xno" ; then
 489         renderer_bbulk_avail=yes
 490 fi
 491
 492 # renderer gltex
 493 renderer_gltex_avail=no
 494 if test ! "x$enable_renderer_gltex" = "xno" ; then
 495         if test "x$have_gles2" = "xyes" ; then
 496                 renderer_gltex_avail=yes
 497         elif test "x$enable_renderer_gltex" = "xyes" ; then
 498                 AC_ERROR([OpenGLESv2 libraries not found for gltex renderer])
 499         fi
 500 fi
 501
 502 # font 8x16
 503 font_8x16_avail=no
 504 if test ! "x$enable_font_8x16" = "xno" ; then
 505         font_8x16_avail=yes
 506 fi
 507
 508 # font unifont
 509 font_unifont_avail=no
 510 if test ! "x$enable_font_unifont" = "xno" ; then
 511         font_unifont_avail=yes
 512 fi
 513
 514 # font freetype2
 515 font_freetype2_avail=no
 516 if test ! "x$enable_font_freetype2" = "xno" ; then
 517         if test "x$have_freetype2" ; then
 518                 font_freetype2_avail=yes
 519         elif test "x$enable_font_freetype2" = "xyes" ; then
 520                 AC_ERROR([freetype2 or fontconfig libs not found for freetype2 font backend])
 521         fi
 522 fi
 523
 524 # font pango
 525 font_pango_avail=no
 526 if test ! "x$enable_font_pango" = "xno" ; then
 527         if test "x$have_pango" ; then
 528                 font_pango_avail=yes
 529         elif test "x$enable_font_pango" = "xyes" ; then
 530                 AC_ERROR([pango libraries not found for pango font backend])
 531         fi
 532 fi
 533
 534 # session dummy
 535 session_dummy_avail=no
 536 if test ! "x$enable_session_dummy" = "xno" ; then
 537         session_dummy_avail=yes
 538 fi
 539
 540 # session terminal
 541 session_terminal_avail=no
 542 if test ! "x$enable_session_terminal" = "xno" ; then
 543         if test "x$tsm_avail" = "xyes" ; then
 544                 session_terminal_avail=yes
 545         elif test "x$enable_session_terminal" = "xyes" ; then
 546                 AC_ERROR([TSM cannot be built for kmscon terminal session])
 547         fi
 548 fi
 549
 550 # session cdev
 551 session_cdev_avail=no
 552 if test ! "x$enable_session_cdev" = "xno" ; then
 553         if test "x$have_fuse" = "xno" ; then
 554                 session_cdev_avail=no
 555         elif test "x$tsm_avail" = "xno" ; then
 556                 session_cdev_avail=no
 557         else
 558                 session_cdev_avail=yes
 559         fi
 560
 561         if test "x$session_cdev_avail" = "xno" ; then
 562                 if test "x$enable_session_cdev" = "xyes" ; then
 563                         AC_ERROR([TSM or FUSE libraries not built/found for kmscon cdev session])
 564                 fi
 565         fi
 566 fi
 567
 568 # kmscon
 569 kmscon_avail=no
 570 if test ! "x$enable_kmscon" = "xno" ; then
 571         if test "x$eloop_avail" = "xno" ; then
 572                 kmscon_avail=no
 573         elif test "x$tsm_avail" = "xno" ; then
 574                 kmscon_avail=no
 575         elif test "x$uterm_avail" = "xno" ; then
 576                 kmscon_avail=no
 577         else
 578                 kmscon_avail=yes
 579         fi
 580
 581         if test "x$enable_kmscon" = "xyes" ; then
 582                 if test "x$kmscon_avail" = "xno" ; then
 583                         AC_ERROR([eloop, TSM or uterm cannot be built for kmscon])
 584                 fi
 585         fi
 586 fi
 587
 588 # wlterm
 589 wlterm_avail=no
 590 if test ! "x$enable_wlterm" = "xno" ; then
 591         if test "x$tsm_avail" = "xno" ; then
 592                 wlterm_avail=no
 593         elif test "x$eloop_avail" = "xno" ; then
 594                 wlterm_avail=no
 595         elif test ! "x$have_wayland" = "xyes" ; then
 596                 wlterm_avail=no
 597         else
 598                 wlterm_avail=yes
 599         fi
 600
 601         if test "x$enable_wlterm" = "xyes" ; then
 602                 if test "x$wlterm_avail" = "xno" ; then
 603                         AC_ERROR([wayland, eloop or TSM cannot be built for wlterm])
 604                 fi
 605         fi
 606 fi
 607
 608 #
 609 # Enable all required modules
 610 # We now know which modules can be built by checking the *_avail variables set
 611 # above. We now only have to disable all modules that are disabled by default
 612 # and the user didn't force-enable them and no other module that is enabled
 613 # needs them. This is done top-down of course.
 614 #
 615
 616 # wlterm
 617 wlterm_enabled=no
 618 if test "x$wlterm_avail" = "xyes" ; then
 619         if test "x${enable_wlterm% *}" = "xyes" ; then
 620                 wlterm_enabled=yes
 621                 enable_eloop=yes
 622                 enable_tsm=yes
 623         fi
 624 fi
 625
 626 # kmscon
 627 kmscon_enabled=no
 628 if test "x$kmscon_avail" = "xyes" ; then
 629         if test "x${enable_kmscon% *}" = "xyes" ; then
 630                 kmscon_enabled=yes
 631                 enable_eloop=yes
 632                 enable_uterm=yes
 633         fi
 634 fi
 635
 636 # session cdev
 637 session_cdev_enabled=no
 638 if test "x$session_cdev_avail" = "xyes" ; then
 639         if test "x${enable_session_cdev% *}" = "xyes" ; then
 640                 session_cdev_enabled=yes
 641         fi
 642 fi
 643
 644 # session terminal
 645 session_terminal_enabled=no
 646 if test "x$session_terminal_avail" = "xyes" ; then
 647         if test "x${enable_session_terminal% *}" = "xyes" ; then
 648                 session_terminal_enabled=yes
 649                 enable_tsm=yes
 650         fi
 651 fi
 652
 653 # session dummy
 654 session_dummy_enabled=no
 655 if test "x$session_dummy_avail" = "xyes" ; then
 656         if test "x${enable_session_dummy% *}" = "xyes" ; then
 657                 session_dummy_enabled=yes
 658         fi
 659 fi
 660
 661 # font pango
 662 font_pango_enabled=no
 663 if test "x$font_pango_avail" = "xyes" ; then
 664         if test "x${enable_font_pango% *}" = "xyes" ; then
 665                 font_pango_enabled=yes
 666         fi
 667 fi
 668
 669 # font freetype2
 670 font_freetype2_enabled=no
 671 if test "x$font_freetype2_avail" = "xyes" ; then
 672         if test "x${enable_font_freetype2% *}" = "xyes" ; then
 673                 font_freetype2_enabled=yes
 674         fi
 675 fi
 676
 677 # font unifont
 678 font_unifont_enabled=no
 679 if test "x$font_unifont_avail" = "xyes" ; then
 680         if test "x${enable_font_unifont% *}" = "xyes" ; then
 681                 font_unifont_enabled=yes
 682         fi
 683 fi
 684
 685 # font 8x16
 686 font_8x16_enabled=no
 687 if test "x$font_8x16_avail" = "xyes" ; then
 688         if test "x${enable_font_8x16% *}" = "xyes" ; then
 689                 font_8x16_enabled=yes
 690         fi
 691 fi
 692
 693 # renderer gltex
 694 renderer_gltex_enabled=no
 695 if test "x$renderer_gltex_avail" = "xyes" ; then
 696         if test "x${enable_renderer_gltex% *}" = "xyes" ; then
 697                 renderer_gltex_enabled=yes
 698         fi
 699 fi
 700
 701 # renderer bbulk
 702 renderer_bbulk_enabled=no
 703 if test "x$renderer_bbulk_avail" = "xyes" ; then
 704         if test "x${enable_renderer_bbulk% *}" = "xyes" ; then
 705                 renderer_bbulk_enabled=yes
 706         fi
 707 fi
 708
 709 # renderer bblit
 710 renderer_bblit_enabled=no
 711 if test "x$renderer_bblit_avail" = "xyes" ; then
 712         if test "x${enable_renderer_bblit% *}" = "xyes" ; then
 713                 renderer_bblit_enabled=yes
 714         fi
 715 fi
 716
 717 # pciaccess
 718 pciaccess_enabled=no
 719 if test "x$pciaccess_avail" = "xyes" ; then
 720         if test "x${enable_pciaccess% *}" = "xyes" ; then
 721                 pciaccess_enabled=yes
 722         fi
 723 fi
 724
 725 # hotplug
 726 hotplug_enabled=no
 727 if test "x$hotplug_avail" = "xyes" ; then
 728         if test "x${enable_hotplug% *}" = "xyes" ; then
 729                 hotplug_enabled=yes
 730         fi
 731 fi
 732
 733 # multi-seat
 734 multi_seat_enabled=no
 735 if test "x$multi_seat_avail" = "xyes" ; then
 736         if test "x${enable_multi_seat% *}" = "xyes" ; then
 737                 multi_seat_enabled=yes
 738         fi
 739 fi
 740
 741 # uterm
 742 uterm_enabled=no
 743 if test "x$uterm_avail" = "xyes" ; then
 744         if test "x${enable_uterm% *}" = "xyes" ; then
 745                 uterm_enabled=yes
 746         fi
 747 fi
 748
 749 # video drm
 750 video_drm_enabled=no
 751 if test "x$video_drm_avail" = "xyes" ; then
 752         if test "x${enable_video_drm% *}" = "xyes" ; then
 753                 video_drm_enabled=yes
 754         fi
 755 fi
 756
 757 # video dumb
 758 video_dumb_enabled=no
 759 if test "x$video_dumb_avail" = "xyes" ; then
 760         if test "x${enable_video_dumb% *}" = "xyes" ; then
 761                 video_dumb_enabled=yes
 762         fi
 763 fi
 764
 765 # video fbdev
 766 video_fbdev_enabled=no
 767 if test "x$video_fbdev_avail" = "xyes" ; then
 768         if test "x${enable_video_fbdev% *}" = "xyes" ; then
 769                 video_fbdev_enabled=yes
 770         fi
 771 fi
 772
 773 # tsm
 774 tsm_enabled=no
 775 if test "x$tsm_avail" = "xyes" ; then
 776         if test "x${enable_tsm% *}" = "xyes" ; then
 777                 tsm_enabled=yes
 778         fi
 779 fi
 780
 781 # eloop
 782 eloop_enabled=no
 783 if test "x$eloop_avail" = "xyes" ; then
 784         if test "x${enable_eloop% *}" = "xyes" ; then
 785                 eloop_enabled=yes
 786         fi
 787 fi
 788
 789 # eloop-dbus
 790 eloop_dbus_enabled=no
 791 if test "x$eloop_dbus_avail" = "xyes" ; then
 792         if test "x${enable_eloop_dbus% *}" = "xyes" ; then
 793                 eloop_dbus_enabled=yes
 794         fi
 795 fi
 796
 797 # optimizations
 798 optimizations_enabled=no
 799 if test "x$optimizations_avail" = "xyes" ; then
 800         if test "x${enable_optimizations% *}" = "xyes" ; then
 801                 optimizations_enabled=yes
 802         fi
 803 fi
 804
 805 # debug
 806 debug_enabled=no
 807 if test "x$debug_avail" = "xyes" ; then
 808         if test "x${enable_debug% *}" = "xyes" ; then
 809                 debug_enabled=yes
 810         fi
 811 fi
 812
 813 #
 814 # Module Configuration
 815 # We have now done all dependency checking and default-value validation and we
 816 # now know which modules are enabled via the *_enabled variables.
 817 # Everything below is related to the configuration of each module and setting
 818 # the correct flags for the build process.
 819 #
 820
 821 # debug
 822 if test "x$debug_enabled" = "xyes" ; then
 823         AC_DEFINE([BUILD_ENABLE_DEBUG], [1], [Enable debug mode])
 824 else
 825         AC_DEFINE([NDEBUG], [1], [No Debug])
 826 fi
 827
 828 AM_CONDITIONAL([BUILD_ENABLE_DEBUG],
 829                [test "x$debug_enabled" = "xyes"])
 830
 831 # optimizations
 832 AM_CONDITIONAL([BUILD_ENABLE_OPTIMIZATIONS],
 833                [test "x$optimizations_enabled" = "xyes"])
 834
 835 # eloop-dbus
 836 AM_CONDITIONAL([BUILD_ENABLE_ELOOP_DBUS],
 837                [test "x$eloop_dbus_enabled" = "xyes"])
 838
 839 # eloop
 840 AM_CONDITIONAL([BUILD_ENABLE_ELOOP],
 841                [test "x$eloop_enabled" = "xyes"])
 842
 843 # TSM
 844 AM_CONDITIONAL([BUILD_ENABLE_TSM],
 845                [test "x$tsm_enabled" = "xyes"])
 846
 847 # video fbdev
 848 if test "x$video_fbdev_enabled" = "xyes" ; then
 849         AC_DEFINE([BUILD_ENABLE_VIDEO_FBDEV], [1],
 850                   [Build uterm fbdev video backend])
 851 fi
 852
 853 AM_CONDITIONAL([BUILD_ENABLE_VIDEO_FBDEV],
 854                [test "x$video_fbdev_enabled" = "xyes"])
 855
 856 # video dumb
 857 if test "x$video_dumb_enabled" = "xyes" ; then
 858         AC_DEFINE([BUILD_ENABLE_VIDEO_DUMB], [1],
 859                   [Build uterm dumb drm video backend])
 860 fi
 861
 862 AM_CONDITIONAL([BUILD_ENABLE_VIDEO_DUMB],
 863                [test "x$video_dumb_enabled" = "xyes"])
 864
 865 # video drm
 866 if test "x$video_drm_enabled" = "xyes" ; then
 867         AC_DEFINE([BUILD_ENABLE_VIDEO_DRM], [1],
 868                   [Build uterm drm video backend])
 869 fi
 870
 871 AM_CONDITIONAL([BUILD_ENABLE_VIDEO_DRM],
 872                [test "x$video_drm_enabled" = "xyes"])
 873
 874 # uterm
 875 AM_CONDITIONAL([BUILD_ENABLE_UTERM],
 876                [test "x$uterm_enabled" = "xyes"])
 877
 878 # multi-seat
 879 if test "x$multi_seat_enabled" = "xyes" ; then
 880         AC_DEFINE([BUILD_ENABLE_MULTI_SEAT], [1],
 881                   [Use systemd for multi-seat support])
 882 fi
 883
 884 AM_CONDITIONAL([BUILD_ENABLE_MULTI_SEAT],
 885                [test "x$multi_seat_enabled" = "xyes"])
 886
 887 # hotplug
 888 if test "x$hotplug_enabled" = "xyes" ; then
 889         AC_DEFINE([BUILD_ENABLE_HOTPLUG], [1],
 890                   [Use udev for hotplug support])
 891 fi
 892
 893 AM_CONDITIONAL([BUILD_ENABLE_HOTPLUG],
 894                [test "x$hotplug_enabled" = "xyes"])
 895
 896 # pciaccess
 897 if test "x$pciaccess_enabled" = "xyes" ; then
 898         AC_DEFINE([BUILD_ENABLE_PCIACCESS], [1],
 899                   [Use pciaccess for device detection])
 900 fi
 901
 902 AM_CONDITIONAL([BUILD_ENABLE_PCIACCESS],
 903                [test "x$pciaccess_enabled" = "xyes"])
 904
 905 # renderer bblit
 906 if test "x$renderer_bblit_enabled" = "xyes" ; then
 907         AC_DEFINE([BUILD_ENABLE_RENDERER_BBLIT], [1],
 908                   [Build bblit rendering backend])
 909 fi
 910
 911 AM_CONDITIONAL([BUILD_ENABLE_RENDERER_BBLIT],
 912                [test "x$renderer_bblit_enabled" = "xyes"])
 913
 914 # renderer bbulk
 915 if test "x$renderer_bbulk_enabled" = "xyes" ; then
 916         AC_DEFINE([BUILD_ENABLE_RENDERER_BBULK], [1],
 917                   [Build bbulk rendering backend])
 918 fi
 919
 920 AM_CONDITIONAL([BUILD_ENABLE_RENDERER_BBULK],
 921                [test "x$renderer_bbulk_enabled" = "xyes"])
 922
 923 # renderer gltex
 924 if test "x$renderer_gltex_enabled" = "xyes" ; then
 925         AC_DEFINE([BUILD_ENABLE_RENDERER_GLTEX], [1],
 926                   [Build gltex rendering backend])
 927 fi
 928
 929 AM_CONDITIONAL([BUILD_ENABLE_RENDERER_GLTEX],
 930                [test "x$renderer_gltex_enabled" = "xyes"])
 931
 932 # font 8x16
 933 if test "x$font_8x16_enabled" = "xyes" ; then
 934         AC_DEFINE([BUILD_ENABLE_FONT_8X16], [1],
 935                   [Build static 8x16 font backend])
 936 fi
 937
 938 AM_CONDITIONAL([BUILD_ENABLE_FONT_8X16],
 939                [test "x$font_8x16_enabled" = "xyes"])
 940
 941 # font unifont
 942 if test "x$font_unifont_enabled" = "xyes" ; then
 943         AC_DEFINE([BUILD_ENABLE_FONT_UNIFONT], [1],
 944                   [Build static unifont backend])
 945 fi
 946
 947 AM_CONDITIONAL([BUILD_ENABLE_FONT_UNIFONT],
 948                [test "x$font_unifont_enabled" = "xyes"])
 949
 950 # font freetype2
 951 if test "x$font_freetype2_enabled" = "xyes" ; then
 952         AC_DEFINE([BUILD_ENABLE_FONT_FREETYPE2], [1],
 953                   [Build freetype2 font backend])
 954 fi
 955
 956 AM_CONDITIONAL([BUILD_ENABLE_FONT_FREETYPE2],
 957                [test "x$font_freetype2_enabled" = "xyes"])
 958
 959 # font pango
 960 if test "x$font_pango_enabled" = "xyes" ; then
 961         AC_DEFINE([BUILD_ENABLE_FONT_PANGO], [1],
 962                   [Build pango font backend])
 963 fi
 964
 965 AM_CONDITIONAL([BUILD_ENABLE_FONT_PANGO],
 966                [test "x$font_pango_enabled" = "xyes"])
 967
 968 # session dummy
 969 if test "x$session_dummy_enabled" = "xyes" ; then
 970         AC_DEFINE([BUILD_ENABLE_SESSION_DUMMY], [1],
 971                   [Build dummy session])
 972 fi
 973
 974 AM_CONDITIONAL([BUILD_ENABLE_SESSION_DUMMY],
 975                [test "x$session_dummy_enabled" = "xyes"])
 976
 977 # session terminal
 978 if test "x$session_terminal_enabled" = "xyes" ; then
 979         AC_DEFINE([BUILD_ENABLE_SESSION_TERMINAL], [1],
 980                   [Build terminal session])
 981 fi
 982
 983 AM_CONDITIONAL([BUILD_ENABLE_SESSION_TERMINAL],
 984                [test "x$session_terminal_enabled" = "xyes"])
 985
 986 # session cdev
 987 if test "x$session_cdev_enabled" = "xyes" ; then
 988         AC_DEFINE([BUILD_ENABLE_SESSION_CDEV], [1],
 989                   [Build cdev session])
 990 fi
 991
 992 AM_CONDITIONAL([BUILD_ENABLE_SESSION_CDEV],
 993                [test "x$session_cdev_enabled" = "xyes"])
 994
 995 # kmscon
 996 AM_CONDITIONAL([BUILD_ENABLE_KMSCON],
 997                [test "x$kmscon_enabled" = "xyes"])
 998
 999 # wlterm
1000 AM_CONDITIONAL([BUILD_ENABLE_WLTERM],
1001                [test "x$wlterm_enabled" = "xyes"])
1002
1003 #
1004 # Miscellaneous Checks
1005 # All checks below are independent of module checking or depend on the results
1006 # of it. They do not have any dependencies themself so they are not part of the
1007 # module infrastructure.
1008 #
1009
1010 # check for _Static_assert
1011 AC_MSG_CHECKING([whether _Static_assert() is supported])
1012 AC_LANG([C])
1013 have_static_assert=yes
1014 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[_Static_assert(1, "What?");]])],
1015                   [AC_DEFINE([BUILD_HAVE_STATIC_ASSERT],
1016                              [1],
1017                              [Define to 1 if _Static_assert() is supported])],
1018                   [have_static_assert=no])
1019 AC_MSG_RESULT([$have_static_assert])
1020
1021 # check for gbm_bo_get_pitch() function, otherwise gbm_bo_get_stride() is used
1022 if test x$have_gbm = xyes ; then
1023         save_CFLAGS="$CFLAGS"
1024         save_LIBS="$LIBS"
1025         save_LDFLAGS="$LDFLAGS"
1026         CFLAGS="$DRM_CFLAGS $GBM_CFLAGS"
1027         LIBS="$DRM_LIBS $GBM_LIBS"
1028         LDFLAGS=""
1029         AC_CHECK_LIB([gbm],
1030                      [gbm_bo_get_pitch],
1031                      [AC_DEFINE([BUILD_HAVE_GBM_BO_GET_PITCH],
1032                                 [1],
1033                                 [Define to 1 if your libgbm provides gbm_bo_get_pitch])])
1034         CFLAGS="$save_CFLAGS"
1035         LIBS="$save_LIBS"
1036         LDFLAGS="$save_LDFLAGS"
1037 fi
1038
1039 # check for xsltproc
1040 AC_PATH_PROG(XSLTPROC, xsltproc)
1041 AM_CONDITIONAL([BUILD_HAVE_XSLTPROC], [test "x$XSLTPROC" != "x"])
1042
1043 # check for offline man-pages stylesheet
1044 AC_MSG_CHECKING([for docbook manpages stylesheet])
1045 BUILD_MANPAGES_STYLESHEET="http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl"
1046 AC_PATH_PROGS_FEATURE_CHECK([XSLTPROC_TMP], [xsltproc],
1047                             AS_IF([`"$ac_path_XSLTPROC_TMP" --nonet "$BUILD_MANPAGES_STYLESHEET" > /dev/null 2>&1`],
1048                                   [BUILD_HAVE_MANPAGES_STYLESHEET=yes]))
1049 if test "x$BUILD_HAVE_MANPAGES_STYLESHEET" = "xyes"; then
1050         AM_CONDITIONAL([BUILD_HAVE_MANPAGES_STYLESHEET], true)
1051         AC_SUBST(BUILD_MANPAGES_STYLESHEET)
1052         AC_MSG_RESULT([yes])
1053 else
1054         AM_CONDITIONAL([BUILD_HAVE_MANPAGES_STYLESHEET], false)
1055         AC_MSG_RESULT([no])
1056 fi
1057
1058 #
1059 # Makefile vars
1060 # After everything is configured, we correctly substitute the values for the
1061 # makefiles.
1062 #
1063
1064 AC_CONFIG_FILES([Makefile
1065                  docs/pc/libeloop.pc
1066                  docs/pc/libtsm.pc
1067                  docs/pc/libuterm.pc])
1068 AC_OUTPUT
1069
1070 #
1071 # Configuration output
1072 # Show configuration to the user so they can check whether everything was
1073 # configured as expected.
1074 #
1075
1076 AC_MSG_NOTICE([Build configuration:
1077
1078   Applications and Libraries:
1079                kmscon: $kmscon_enabled ($kmscon_avail)
1080                wlterm: $wlterm_enabled ($wlterm_avail)
1081                 uterm: $uterm_enabled ($uterm_avail)
1082                   tsm: $tsm_enabled ($tsm_avail)
1083                 eloop: $eloop_enabled ($eloop_avail)
1084
1085   Miscellaneous Options:
1086                 debug: $debug_enabled ($debug_avail)
1087         optimizations: $optimizations_enabled ($optimizations_avail)
1088            multi-seat: $multi_seat_enabled ($multi_seat_avail)
1089               hotplug: $hotplug_enabled ($hotplug_avail)
1090             pciaccess: $pciaccess_enabled ($pciaccess_avail)
1091            eloop-dbus: $eloop_dbus_enabled ($eloop_dbus_avail)
1092
1093   Video Backends:
1094                 fbdev: $video_fbdev_enabled ($video_fbdev_avail)
1095              dumb drm: $video_dumb_enabled ($video_dumb_avail)
1096                   drm: $video_drm_enabled ($video_drm_avail)
1097
1098   Font Backends:
1099                  8x16: $font_8x16_enabled ($font_8x16_avail)
1100               unifont: $font_unifont_enabled ($font_unifont_avail)
1101             freetype2: $font_freetype2_enabled ($font_freetype2_avail)
1102                 pango: $font_pango_enabled ($font_pango_avail)
1103
1104   Renderers:
1105                 bblit: $renderer_bblit_enabled ($renderer_bblit_avail)
1106                 bbulk: $renderer_bbulk_enabled ($renderer_bbulk_avail)
1107                 gltex: $renderer_gltex_enabled ($renderer_gltex_avail)
1108
1109   Session Types:
1110                 dummy: $session_dummy_enabled ($session_dummy_avail)
1111              terminal: $session_terminal_enabled ($session_terminal_avail)
1112                  cdev: $session_cdev_enabled ($session_cdev_avail)
1113
1114         Run "make" to start compilation process])