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])
  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 m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
  31
  32 LT_PREREQ(2.2)
  33 LT_INIT
  34
  35 #
  36 # pkg-config dependencies
  37 # This unconditionally checks for all dependencies even if they are disabled. We
  38 # later look whether all required depedencies are met and finish the
  39 # configuration. We group similar packages into one logical group here to avoid
  40 # having variables for each single library.
  41 # This, however, makes ./configure output very unintuitive error messages if a
  42 # package is not found so we must make sure we print more verbose messages
  43 # ourself.
  44 #
  45
  46 PKG_CHECK_MODULES([XKBCOMMON], [xkbcommon],
  47                   [have_xkbcommon=yes], [have_xkbcommon=no])
  48 AC_SUBST(XKBCOMMON_CFLAGS)
  49 AC_SUBST(XKBCOMMON_LIBS)
  50
  51 PKG_CHECK_MODULES([WAYLAND], [wayland-client wayland-server wayland-cursor],
  52                   [have_wayland=yes], [have_wayland=no])
  53 AC_SUBST(WAYLAND_CFLAGS)
  54 AC_SUBST(WAYLAND_LIBS)
  55
  56 PKG_CHECK_MODULES([SYSTEMD], [libsystemd-daemon libsystemd-login],
  57                   [have_systemd=yes], [have_systemd=no])
  58 AC_SUBST(SYSTEMD_CFLAGS)
  59 AC_SUBST(SYSTEMD_LIBS)
  60
  61 PKG_CHECK_MODULES([UDEV], [libudev],
  62                   [have_udev=yes], [have_udev=no])
  63 AC_SUBST(UDEV_CFLAGS)
  64 AC_SUBST(UDEV_LIBS)
  65
  66 PKG_CHECK_MODULES([DBUS], [dbus-1],
  67                   [have_dbus=yes], [have_dbus=no])
  68 AC_SUBST(DBUS_CFLAGS)
  69 AC_SUBST(DBUS_LIBS)
  70
  71 PKG_CHECK_MODULES([DRM], [libdrm],
  72                   [have_drm=yes], [have_drm=no])
  73 AC_SUBST(DRM_CFLAGS)
  74 AC_SUBST(DRM_LIBS)
  75
  76 PKG_CHECK_MODULES([GBM], [gbm],
  77                   [have_gbm=yes], [have_gbm=no])
  78 AC_SUBST(GBM_CFLAGS)
  79 AC_SUBST(GBM_LIBS)
  80
  81 PKG_CHECK_MODULES([EGL], [egl],
  82                   [have_egl=yes], [have_egl=no])
  83 AC_SUBST(EGL_CFLAGS)
  84 AC_SUBST(EGL_LIBS)
  85
  86 PKG_CHECK_MODULES([GLES2], [glesv2],
  87                   [have_gles2=yes], [have_gles2=no])
  88 AC_SUBST(GLES2_CFLAGS)
  89 AC_SUBST(GLES2_LIBS)
  90
  91 PKG_CHECK_MODULES([FREETYPE2], [freetype2 fontconfig],
  92                   [have_freetype2=yes], [have_freetype2=no])
  93 AC_SUBST(FREETYPE2_CFLAGS)
  94 AC_SUBST(FREETYPE2_LIBS)
  95
  96 PKG_CHECK_MODULES([PANGO], [pango pangoft2],
  97                   [have_pango=yes], [have_pango=no])
  98 AC_SUBST(PANGO_CFLAGS)
  99 AC_SUBST(PANGO_LIBS)
 100
 101 PKG_CHECK_MODULES([FUSE], [fuse],
 102                   [have_fuse=yes], [have_fuse=no])
 103 AC_SUBST(FUSE_CFLAGS)
 104 AC_SUBST(FUSE_LIBS)
 105
 106 PKG_CHECK_MODULES([PCIACCESS], [pciaccess],
 107                   [have_pciaccess=yes], [have_pciaccess=no])
 108 AC_SUBST(PCIACCESS_CFLAGS)
 109 AC_SUBST(PCIACCESS_LIBS)
 110
 111 #
 112 # Parse arguments
 113 # This parses all arguments that are given via "--enable-XY" or "--with-XY" and
 114 # saves the results in local variables. This does not check dependencies or
 115 # similar but does only parse the arguments.
 116 #
 117
 118 # eloop
 119 AC_MSG_CHECKING([whether user wants eloop])
 120 AC_ARG_ENABLE([eloop],
 121               [AS_HELP_STRING([--enable-eloop],
 122                               [build eloop library])])
 123 if test "x$enable_eloop" = "x" ; then
 124         enable_eloop="no (default)"
 125 fi
 126 AC_MSG_RESULT([$enable_eloop])
 127
 128 # TSM
 129 AC_MSG_CHECKING([whether user wants TSM])
 130 AC_ARG_ENABLE([tsm],
 131               [AS_HELP_STRING([--enable-tsm],
 132                               [build tsm library])])
 133 if test "x$enable_tsm" = "x" ; then
 134         enable_tsm="no (default)"
 135 fi
 136 AC_MSG_RESULT([$enable_tsm])
 137
 138 # uterm
 139 AC_MSG_CHECKING([whether user wants uterm])
 140 AC_ARG_ENABLE([uterm],
 141               [AS_HELP_STRING([--enable-uterm],
 142                               [build uterm library])])
 143 if test "x$enable_uterm" = "x" ; then
 144         enable_uterm="no (default)"
 145 fi
 146 AC_MSG_RESULT([$enable_uterm])
 147
 148 # kmscon
 149 AC_MSG_CHECKING([whether user wants kmscon])
 150 AC_ARG_ENABLE([kmscon],
 151               [AS_HELP_STRING([--disable-kmscon],
 152                               [do not build kmscon])])
 153 if test "x$enable_kmscon" = "x" ; then
 154         enable_kmscon="yes (default)"
 155 fi
 156 AC_MSG_RESULT([$enable_kmscon])
 157
 158 # wlterm
 159 AC_MSG_CHECKING([whether user wants wlterm])
 160 AC_ARG_ENABLE([wlterm],
 161               [AS_HELP_STRING([--enable-wlterm],
 162                               [build wlterm])])
 163 if test "x$enable_wlterm" = "x" ; then
 164         enable_wlterm="yes (default)"
 165 fi
 166 AC_MSG_RESULT([$enable_wlterm])
 167
 168 # debug
 169 AC_MSG_CHECKING([whether to build with debugging on])
 170 AC_ARG_ENABLE([debug],
 171               [AS_HELP_STRING([--enable-debug],
 172                               [whether to build with debugging on])])
 173 if test "x$enable_debug" = "x" ; then
 174         enable_debug="yes (default)"
 175 fi
 176 AC_MSG_RESULT([$enable_debug])
 177
 178 # optimizations
 179 AC_MSG_CHECKING([whether to disable code optimizations])
 180 AC_ARG_ENABLE([optimizations],
 181               [AS_HELP_STRING([--disable-optimizations],
 182                               [whether to disable code optimizations])])
 183 if test "x$enable_optimizations" = "x" ; then
 184         enable_optimizations="yes (default)"
 185 fi
 186 AC_MSG_RESULT([$enable_optimizations])
 187
 188 # multi-seat
 189 AC_MSG_CHECKING([whether user wants systemd for multi-seat support])
 190 AC_ARG_ENABLE([multi-seat],
 191               [AS_HELP_STRING([--enable-multi-seat],
 192                               [enable multi-seat support with systemd])])
 193 if test "x$enable_multi_seat" = "x" ; then
 194         enable_multi_seat="yes (default)"
 195 fi
 196 AC_MSG_RESULT([$enable_multi_seat])
 197
 198 # hotplug
 199 AC_MSG_CHECKING([whether user wants udev for device hotplug support])
 200 AC_ARG_ENABLE([hotplug],
 201               [AS_HELP_STRING([--enable-hotplug],
 202                               [enable device hotplug support with udev])])
 203 if test "x$enable_hotplug" = "x" ; then
 204         enable_hotplug="yes (default)"
 205 fi
 206 AC_MSG_RESULT([$enable_hotplug])
 207
 208 # pciaccess
 209 AC_MSG_CHECKING([whether user wants pciaccess device detection])
 210 AC_ARG_ENABLE([pciaccess],
 211               [AS_HELP_STRING([--enable-pciaccess],
 212                               [enable device detection via pciaccess])])
 213 if test "x$enable_pciaccess" = "x" ; then
 214         enable_pciaccess="yes (default)"
 215 fi
 216 AC_MSG_RESULT([$enable_pciaccess])
 217
 218 # eloop-dbus
 219 AC_MSG_CHECKING([whether user wants eloop dbus support])
 220 AC_ARG_ENABLE([eloop-dbus],
 221               [AS_HELP_STRING([--enable-eloop-dbus],
 222                               [enable eloop dbus support])])
 223 if test "x$enable_eloop_dbus" = "x" ; then
 224         enable_eloop_dbus="no (default)"
 225 fi
 226 AC_MSG_RESULT([$enable_eloop_dbus])
 227
 228 # video backends
 229 AC_MSG_CHECKING([which video backends the user wants])
 230 AC_ARG_WITH([video],
 231             [AS_HELP_STRING([--with-video],
 232               [specify list of optional video backends])])
 233 enable_video_fbdev="no"
 234 enable_video_dumb="no"
 235 enable_video_drm="no"
 236 if test "x$with_video" = "x" ; then
 237         enable_video_fbdev="yes (default)"
 238         enable_video_dumb="yes (default)"
 239         enable_video_drm="yes (default)"
 240         with_video="fbdev,dumb,drm (default)"
 241 else
 242         SAVEIFS="$IFS"
 243         IFS=","
 244         for i in $with_video ; do
 245                 if test "x$i" = "xfbdev" ; then
 246                         enable_video_fbdev="yes"
 247                 elif test "x$i" = "xdumb" ; then
 248                         enable_video_dumb="yes"
 249                 elif test "x$i" = "xdrm" ; then
 250                         enable_video_drm="yes"
 251                 else
 252                         IFS="$SAVEIFS"
 253                         AC_ERROR([Invalid video backend $i])
 254                 fi
 255         done
 256         IFS="$SAVEIFS"
 257 fi
 258 AC_MSG_RESULT([$with_video])
 259
 260 # renderers
 261 AC_MSG_CHECKING([which render backends the user wants])
 262 AC_ARG_WITH([renderers],
 263             [AS_HELP_STRING([--with-renderers],
 264               [specify list of optional render backends])])
 265 enable_renderer_bblit="no"
 266 enable_renderer_bbulk="no"
 267 enable_renderer_gltex="no"
 268 if test "x$with_renderers" = "x" ; then
 269         enable_renderer_bblit="yes (default)"
 270         enable_renderer_bbulk="yes (default)"
 271         enable_renderer_gltex="yes (default)"
 272         with_renderers="bblit,bbulk,gltex (default)"
 273 else
 274         SAVEIFS="$IFS"
 275         IFS=","
 276         for i in $with_renderers ; do
 277                 if test "x$i" = "xbblit" ; then
 278                         enable_renderer_bblit="yes"
 279                 elif test "x$i" = "xbbulk" ; then
 280                         enable_renderer_bbulk="yes"
 281                 elif test "x$i" = "xgltex" ; then
 282                         enable_renderer_gltex="yes"
 283                 else
 284                         IFS="$SAVEIFS"
 285                         AC_ERROR([Unknown renderer $i])
 286                 fi
 287         done
 288         IFS="$SAVEIFS"
 289 fi
 290 AC_MSG_RESULT([$with_renderers])
 291
 292 # font backends
 293 AC_MSG_CHECKING([which font backends the user wants])
 294 AC_ARG_WITH([fonts],
 295             [AS_HELP_STRING([--with-fonts],
 296               [specify list of optional font backends])])
 297 enable_font_8x16="no"
 298 enable_font_unifont="no"
 299 enable_font_freetype2="no"
 300 enable_font_pango="no"
 301 if test "x$with_fonts" = "x" ; then
 302         enable_font_8x16="yes (default)"
 303         enable_font_unifont="no (default)"
 304         enable_font_freetype2="yes (default)"
 305         enable_font_pango="yes (default)"
 306         with_fonts="8x16,freetype2,pango (default)"
 307 else
 308         SAVEIFS="$IFS"
 309         IFS=","
 310         for i in $with_fonts ; do
 311                 if test "x$i" = "x8x16" ; then
 312                         enable_font_8x16="yes"
 313                 elif test "x$i" = "xunifont" ; then
 314                         enable_font_unifont="yes"
 315                 elif test "x$i" = "xfreetype2" ; then
 316                         enable_font_freetype2="yes"
 317                 elif test "x$i" = "xpango" ; then
 318                         enable_font_pango="yes"
 319                 else
 320                         IFS="$SAVEIFS"
 321                         AC_ERROR([Unknown font backend $i])
 322                 fi
 323         done
 324         IFS="$SAVEIFS"
 325 fi
 326 AC_MSG_RESULT([$with_fonts])
 327
 328 # kmscon sessions
 329 AC_MSG_CHECKING([which sessions the user wants])
 330 AC_ARG_WITH([sessions],
 331             [AS_HELP_STRING([--with-sessions],
 332               [specify list of optional sessions])])
 333 enable_session_dummy="no"
 334 enable_session_terminal="no"
 335 enable_session_cdev="no"
 336 enable_session_compositor="no"
 337 if test "x$with_sessions" = "x" ; then
 338         enable_session_dummy="yes (default)"
 339         enable_session_terminal="yes (default)"
 340         enable_session_cdev="yes (default)"
 341         enable_session_compositor="no (default)"
 342         with_sessions="dummy,terminal,cdev (default)"
 343 else
 344         SAVEIFS="$IFS"
 345         IFS=","
 346         for i in $with_sessions ; do
 347                 if test "x$i" = "xdummy" ; then
 348                         enable_session_dummy="yes"
 349                 elif test "x$i" = "xterminal" ; then
 350                         enable_session_terminal="yes"
 351                 elif test "x$i" = "xcdev" ; then
 352                         enable_session_cdev="yes"
 353                 elif test "x$i" = "xcompositor" ; then
 354                         enable_session_compositor="yes"
 355                 else
 356                         IFS="$SAVEIFS"
 357                         AC_ERROR([Unknown session type $i])
 358                 fi
 359         done
 360         IFS="$SAVEIFS"
 361 fi
 362 AC_MSG_RESULT([$with_sessions])
 363
 364 #
 365 # Check what can be built
 366 # This checks each configuration option and tests whether all dependencies are
 367 # met. This is done from bottom up to ensure the right order.
 368 #
 369
 370 # debug
 371 debug_avail=no
 372 if test ! "x$enable_debug" = "xno" ; then
 373         debug_avail=yes
 374 fi
 375
 376 # optimizations
 377 optimizations_avail=no
 378 if test ! "x$enable_optimizations" = "xno" ; then
 379         optimizations_avail=yes
 380 fi
 381
 382 # eloop-dbus
 383 eloop_dbus_avail=no
 384 if test ! "x$enable_eloop_dbus" = "xno" ; then
 385         if test "x$have_dbus" = "xyes" ; then
 386                 eloop_dbus_avail=yes
 387         elif test "x$enable_eloop_dbus" = "xyes" ; then
 388                 AC_ERROR([DBus libraries not found for eloop-dbus])
 389         fi
 390 fi
 391
 392 # eloop
 393 eloop_avail=no
 394 if test ! "x$enable_eloop" = "xno" ; then
 395         eloop_avail=yes
 396 fi
 397
 398 # TSM
 399 tsm_avail=no
 400 if test ! "x$enable_tsm" = "xno" ; then
 401         if test "x$have_xkbcommon" = "xyes" ; then
 402                 tsm_avail=yes
 403         elif test "x$enable_tsm" = "xyes" ; then
 404                 AC_ERROR([xkbcommon libraries not found for TSM])
 405         fi
 406 fi
 407
 408 # video fbdev
 409 video_fbdev_avail=no
 410 if test ! "x$enable_video_fbdev" = "xno" ; then
 411         # TODO: check for kernel headers
 412         video_fbdev_avail=yes
 413 fi
 414
 415 # video dumb
 416 video_dumb_avail=no
 417 if test ! "x$enable_video_dumb" = "xno" ; then
 418         if test "x$have_drm" = "xyes" ; then
 419                 video_dumb_avail=yes
 420         elif test "x$enable_video_dumb" = "xyes" ; then
 421                 AC_ERROR([DRM libraries not found for dumb video backend])
 422         fi
 423 fi
 424
 425 # video drm
 426 video_drm_avail=no
 427 if test ! "x$enable_video_drm" = "xno" ; then
 428         if test "x$have_drm" = "xno" ; then
 429                 video_drm_avail=no
 430         elif test "x$have_gbm" = "xno" ; then
 431                 video_drm_avail=no
 432         elif test "x$have_egl" = "xno" ; then
 433                 video_drm_avail=no
 434         elif test "x$have_gles2" = "xno" ; then
 435                 video_drm_avail=no
 436         else
 437                 video_drm_avail=yes
 438         fi
 439
 440         if test "x$video_drm_avail" = "xno" ; then
 441                 if test "x$enable_video_drm" = "xyes" ; then
 442                         AC_ERROR([DRM, gbm or EGL libraries not found for DRM video backend])
 443                 fi
 444         fi
 445 fi
 446
 447 # uterm
 448 uterm_avail=no
 449 if test ! "x$enable_uterm" = "xno" ; then
 450         uterm_avail=yes
 451 fi
 452
 453 # multi-seat
 454 multi_seat_avail=no
 455 if test ! "x$enable_multi_seat" = "xno" ; then
 456         if test "x$have_systemd" = "xyes" ; then
 457                 multi_seat_avail=yes
 458         elif test "x$enable_multi_seat" = "xyes" ; then
 459                 AC_ERROR([systemd libraries not found for multi-seat support])
 460         fi
 461 fi
 462
 463 # hotplug
 464 hotplug_avail=no
 465 if test ! "x$enable_hotplug" = "xno" ; then
 466         if test "x$have_udev" = "xyes" ; then
 467                 hotplug_avail=yes
 468         elif test "x$enable_hotplug" = "xyes" ; then
 469                 AC_ERROR([udev libraries not found for hotplug support])
 470         fi
 471 fi
 472
 473 # pciaccess
 474 pciaccess_avail=no
 475 if test ! "x$enable_pciaccess" = "xno" ; then
 476         if test "x$have_pciaccess" = "xyes" ; then
 477                 pciaccess_avail=yes
 478         elif test "x$enable_pciaccess" = "xyes" ; then
 479                 AC_ERROR([pciaccess libraries not found for pciaccess device detection])
 480         fi
 481 fi
 482
 483 # renderer bblit
 484 renderer_bblit_avail=no
 485 if test ! "x$enable_renderer_bblit" = "xno" ; then
 486         renderer_bblit_avail=yes
 487 fi
 488
 489 # renderer bbulk
 490 renderer_bbulk_avail=no
 491 if test ! "x$enable_renderer_bbulk" = "xno" ; then
 492         renderer_bbulk_avail=yes
 493 fi
 494
 495 # renderer gltex
 496 renderer_gltex_avail=no
 497 if test ! "x$enable_renderer_gltex" = "xno" ; then
 498         if test "x$have_gles2" = "xyes" ; then
 499                 renderer_gltex_avail=yes
 500         elif test "x$enable_renderer_gltex" = "xyes" ; then
 501                 AC_ERROR([OpenGLESv2 libraries not found for gltex renderer])
 502         fi
 503 fi
 504
 505 # font 8x16
 506 font_8x16_avail=no
 507 if test ! "x$enable_font_8x16" = "xno" ; then
 508         font_8x16_avail=yes
 509 fi
 510
 511 # font unifont
 512 font_unifont_avail=no
 513 if test ! "x$enable_font_unifont" = "xno" ; then
 514         font_unifont_avail=yes
 515 fi
 516
 517 # font freetype2
 518 font_freetype2_avail=no
 519 if test ! "x$enable_font_freetype2" = "xno" ; then
 520         if test "x$have_freetype2" ; then
 521                 font_freetype2_avail=yes
 522         elif test "x$enable_font_freetype2" = "xyes" ; then
 523                 AC_ERROR([freetype2 or fontconfig libs not found for freetype2 font backend])
 524         fi
 525 fi
 526
 527 # font pango
 528 font_pango_avail=no
 529 if test ! "x$enable_font_pango" = "xno" ; then
 530         if test "x$have_pango" ; then
 531                 font_pango_avail=yes
 532         elif test "x$enable_font_pango" = "xyes" ; then
 533                 AC_ERROR([pango libraries not found for pango font backend])
 534         fi
 535 fi
 536
 537 # session dummy
 538 session_dummy_avail=no
 539 if test ! "x$enable_session_dummy" = "xno" ; then
 540         session_dummy_avail=yes
 541 fi
 542
 543 # session terminal
 544 session_terminal_avail=no
 545 if test ! "x$enable_session_terminal" = "xno" ; then
 546         if test "x$tsm_avail" = "xyes" ; then
 547                 session_terminal_avail=yes
 548         elif test "x$enable_session_terminal" = "xyes" ; then
 549                 AC_ERROR([TSM cannot be built for kmscon terminal session])
 550         fi
 551 fi
 552
 553 # session cdev
 554 session_cdev_avail=no
 555 if test ! "x$enable_session_cdev" = "xno" ; then
 556         if test "x$have_fuse" = "xno" ; then
 557                 session_cdev_avail=no
 558         elif test "x$tsm_avail" = "xno" ; then
 559                 session_cdev_avail=no
 560         else
 561                 session_cdev_avail=yes
 562         fi
 563
 564         if "x$session_cdev_avail" = "xno" ; then
 565                 if test "x$enable_session_cdev" = "xyes" ; then
 566                         AC_ERROR([TSM or FUSE libraries not built/found for kmscon cdev session])
 567                 fi
 568         fi
 569 fi
 570
 571 # session compositor
 572 session_compositor_avail=no
 573 if test ! "x$enable_session_compositor" = "xno" ; then
 574         if test "x$have_wayland" = "xyes" ; then
 575                 session_compositor_avail=yes
 576         elif test "x$enable_session_compositor" = "xyes" ; then
 577                 AC_ERROR([wayland libraries not found for kmscon compositor session])
 578         fi
 579 fi
 580
 581 # kmscon
 582 kmscon_avail=no
 583 if test ! "x$enable_kmscon" = "xno" ; then
 584         if test "x$eloop_avail" = "xno" ; then
 585                 kmscon_avail=no
 586         elif test "x$tsm_avail" = "xno" ; then
 587                 kmscon_avail=no
 588         elif test "x$uterm_avail" = "xno" ; then
 589                 kmscon_avail=no
 590         else
 591                 kmscon_avail=yes
 592         fi
 593
 594         if test "x$enable_kmscon" = "xyes" ; then
 595                 if test "x$kmscon_avail" = "xno" ; then
 596                         AC_ERROR([eloop, TSM or uterm cannot be built for kmscon])
 597                 fi
 598         fi
 599 fi
 600
 601 # wlterm
 602 wlterm_avail=no
 603 if test ! "x$enable_wlterm" = "xno" ; then
 604         if test "x$tsm_avail" = "xno" ; then
 605                 wlterm_avail=no
 606         elif test "x$eloop_avail" = "xno" ; then
 607                 wlterm_avail=no
 608         else
 609                 wlterm_avail=yes
 610         fi
 611
 612         if test "x$enable_wlterm" = "xyes" ; then
 613                 if test "x$wlterm_avail" = "xno" ; then
 614                         AC_ERROR([eloop or TSM cannot be built for wlterm])
 615                 fi
 616         fi
 617
 618         if test "x$have_wayland" = "xyes" ; then
 619                 wlterm_avail=yes
 620         elif test "x$enable_wlterm" = "xyes" ; then
 621                 AC_ERROR([wayland libraries not found for wlterm])
 622         fi
 623 fi
 624
 625 #
 626 # Enable all required modules
 627 # We now know which modules can be built by checking the *_avail variables set
 628 # above. We now only have to disable all modules that are disabled by default
 629 # and the user didn't force-enable them and no other module that is enabled
 630 # needs them. This is done top-down of course.
 631 #
 632
 633 # wlterm
 634 wlterm_enabled=no
 635 if test "x$wlterm_avail" = "xyes" ; then
 636         if test "x${enable_wlterm% *}" = "xyes" ; then
 637                 wlterm_enabled=yes
 638                 enable_eloop=yes
 639                 enable_tsm=yes
 640         fi
 641 fi
 642
 643 # kmscon
 644 kmscon_enabled=no
 645 if test "x$kmscon_avail" = "xyes" ; then
 646         if test "x${enable_kmscon% *}" = "xyes" ; then
 647                 kmscon_enabled=yes
 648                 enable_eloop=yes
 649                 enable_uterm=yes
 650         fi
 651 fi
 652
 653 # session compositor
 654 session_compositor_enabled=no
 655 if test "x$session_compositor_avail" = "xyes" ; then
 656         if test "x${enable_session_compositor% *}" = "xyes" ; then
 657                 session_compositor_enabled=yes
 658         fi
 659 fi
 660
 661 # session cdev
 662 session_cdev_enabled=no
 663 if test "x$session_cdev_avail" = "xyes" ; then
 664         if test "x${enable_session_cdev% *}" = "xyes" ; then
 665                 session_cdev_enabled=yes
 666         fi
 667 fi
 668
 669 # session terminal
 670 session_terminal_enabled=no
 671 if test "x$session_terminal_avail" = "xyes" ; then
 672         if test "x${enable_session_terminal% *}" = "xyes" ; then
 673                 session_terminal_enabled=yes
 674                 enable_tsm=yes
 675         fi
 676 fi
 677
 678 # session dummy
 679 session_dummy_enabled=no
 680 if test "x$session_dummy_avail" = "xyes" ; then
 681         if test "x${enable_session_dummy% *}" = "xyes" ; then
 682                 session_dummy_enabled=yes
 683         fi
 684 fi
 685
 686 # font pango
 687 font_pango_enabled=no
 688 if test "x$font_pango_avail" = "xyes" ; then
 689         if test "x${enable_font_pango% *}" = "xyes" ; then
 690                 font_pango_enabled=yes
 691         fi
 692 fi
 693
 694 # font freetype2
 695 font_freetype2_enabled=no
 696 if test "x$font_freetype2_avail" = "xyes" ; then
 697         if test "x${enable_font_freetype2% *}" = "xyes" ; then
 698                 font_freetype2_enabled=yes
 699         fi
 700 fi
 701
 702 # font unifont
 703 font_unifont_enabled=no
 704 if test "x$font_unifont_avail" = "xyes" ; then
 705         if test "x${enable_font_unifont% *}" = "xyes" ; then
 706                 font_unifont_enabled=yes
 707         fi
 708 fi
 709
 710 # font 8x16
 711 font_8x16_enabled=no
 712 if test "x$font_8x16_avail" = "xyes" ; then
 713         if test "x${enable_font_8x16% *}" = "xyes" ; then
 714                 font_8x16_enabled=yes
 715         fi
 716 fi
 717
 718 # renderer gltex
 719 renderer_gltex_enabled=no
 720 if test "x$renderer_gltex_avail" = "xyes" ; then
 721         if test "x${enable_renderer_gltex% *}" = "xyes" ; then
 722                 renderer_gltex_enabled=yes
 723         fi
 724 fi
 725
 726 # renderer bbulk
 727 renderer_bbulk_enabled=no
 728 if test "x$renderer_bbulk_avail" = "xyes" ; then
 729         if test "x${enable_renderer_bbulk% *}" = "xyes" ; then
 730                 renderer_bbulk_enabled=yes
 731         fi
 732 fi
 733
 734 # renderer bblit
 735 renderer_bblit_enabled=no
 736 if test "x$renderer_bblit_avail" = "xyes" ; then
 737         if test "x${enable_renderer_bblit% *}" = "xyes" ; then
 738                 renderer_bblit_enabled=yes
 739         fi
 740 fi
 741
 742 # pciaccess
 743 pciaccess_enabled=no
 744 if test "x$pciaccess_avail" = "xyes" ; then
 745         if test "x${enable_pciaccess% *}" = "xyes" ; then
 746                 pciaccess_enabled=yes
 747         fi
 748 fi
 749
 750 # hotplug
 751 hotplug_enabled=no
 752 if test "x$hotplug_avail" = "xyes" ; then
 753         if test "x${enable_hotplug% *}" = "xyes" ; then
 754                 hotplug_enabled=yes
 755         fi
 756 fi
 757
 758 # multi-seat
 759 multi_seat_enabled=no
 760 if test "x$multi_seat_avail" = "xyes" ; then
 761         if test "x${enable_multi_seat% *}" = "xyes" ; then
 762                 multi_seat_enabled=yes
 763         fi
 764 fi
 765
 766 # uterm
 767 uterm_enabled=no
 768 if test "x$uterm_avail" = "xyes" ; then
 769         if test "x${enable_uterm% *}" = "xyes" ; then
 770                 uterm_enabled=yes
 771         fi
 772 fi
 773
 774 # video drm
 775 video_drm_enabled=no
 776 if test "x$video_drm_avail" = "xyes" ; then
 777         if test "x${enable_video_drm% *}" = "xyes" ; then
 778                 video_drm_enabled=yes
 779         fi
 780 fi
 781
 782 # video dumb
 783 video_dumb_enabled=no
 784 if test "x$video_dumb_avail" = "xyes" ; then
 785         if test "x${enable_video_dumb% *}" = "xyes" ; then
 786                 video_dumb_enabled=yes
 787         fi
 788 fi
 789
 790 # video fbdev
 791 video_fbdev_enabled=no
 792 if test "x$video_fbdev_avail" = "xyes" ; then
 793         if test "x${enable_video_fbdev% *}" = "xyes" ; then
 794                 video_fbdev_enabled=yes
 795         fi
 796 fi
 797
 798 # tsm
 799 tsm_enabled=no
 800 if test "x$tsm_avail" = "xyes" ; then
 801         if test "x${enable_tsm% *}" = "xyes" ; then
 802                 tsm_enabled=yes
 803         fi
 804 fi
 805
 806 # eloop
 807 eloop_enabled=no
 808 if test "x$eloop_avail" = "xyes" ; then
 809         if test "x${enable_eloop% *}" = "xyes" ; then
 810                 eloop_enabled=yes
 811         fi
 812 fi
 813
 814 # eloop-dbus
 815 eloop_dbus_enabled=no
 816 if test "x$eloop_dbus_avail" = "xyes" ; then
 817         if test "x${enable_eloop_dbus% *}" = "xyes" ; then
 818                 eloop_dbus_enabled=yes
 819         fi
 820 fi
 821
 822 # optimizations
 823 optimizations_enabled=no
 824 if test "x$optimizations_avail" = "xyes" ; then
 825         if test "x${enable_optimizations% *}" = "xyes" ; then
 826                 optimizations_enabled=yes
 827         fi
 828 fi
 829
 830 # debug
 831 debug_enabled=no
 832 if test "x$debug_avail" = "xyes" ; then
 833         if test "x${enable_debug% *}" = "xyes" ; then
 834                 debug_enabled=yes
 835         fi
 836 fi
 837
 838 #
 839 # Module Configuration
 840 # We have now done all dependency checking and default-value validation and we
 841 # now know which modules are enabled via the *_enabled variables.
 842 # Everything below is related to the configuration of each module and setting
 843 # the correct flags for the build process.
 844 #
 845
 846 # debug
 847 if test "x$debug_enabled" = "xyes" ; then
 848         AC_DEFINE([BUILD_ENABLE_DEBUG], [1], [Enable debug mode])
 849 else
 850         AC_DEFINE([NDEBUG], [1], [No Debug])
 851 fi
 852
 853 AM_CONDITIONAL([BUILD_ENABLE_DEBUG],
 854                [test "x$debug_enabled" = "xyes"])
 855
 856 # optimizations
 857 AM_CONDITIONAL([BUILD_ENABLE_OPTIMIZATIONS],
 858                [test "x$optimizations_enabled" = "xyes"])
 859
 860 # eloop-dbus
 861 AM_CONDITIONAL([BUILD_ENABLE_ELOOP_DBUS],
 862                [test "x$eloop_dbus_enabled" = "xyes"])
 863
 864 # eloop
 865 AM_CONDITIONAL([BUILD_ENABLE_ELOOP],
 866                [test "x$eloop_enabled" = "xyes"])
 867
 868 # TSM
 869 AM_CONDITIONAL([BUILD_ENABLE_TSM],
 870                [test "x$tsm_enabled" = "xyes"])
 871
 872 # video fbdev
 873 if test "x$video_fbdev_enabled" = "xyes" ; then
 874         AC_DEFINE([BUILD_ENABLE_VIDEO_FBDEV], [1],
 875                   [Build uterm fbdev video backend])
 876 fi
 877
 878 AM_CONDITIONAL([BUILD_ENABLE_VIDEO_FBDEV],
 879                [test "x$video_fbdev_enabled" = "xyes"])
 880
 881 # video dumb
 882 if test "x$video_dumb_enabled" = "xyes" ; then
 883         AC_DEFINE([BUILD_ENABLE_VIDEO_DUMB], [1],
 884                   [Build uterm dumb drm video backend])
 885 fi
 886
 887 AM_CONDITIONAL([BUILD_ENABLE_VIDEO_DUMB],
 888                [test "x$video_dumb_enabled" = "xyes"])
 889
 890 # video drm
 891 if test "x$video_drm_enabled" = "xyes" ; then
 892         AC_DEFINE([BUILD_ENABLE_VIDEO_DRM], [1],
 893                   [Build uterm drm video backend])
 894 fi
 895
 896 AM_CONDITIONAL([BUILD_ENABLE_VIDEO_DRM],
 897                [test "x$video_drm_enabled" = "xyes"])
 898
 899 # uterm
 900 AM_CONDITIONAL([BUILD_ENABLE_UTERM],
 901                [test "x$uterm_enabled" = "xyes"])
 902
 903 # multi-seat
 904 if test "x$multi_seat_enabled" = "xyes" ; then
 905         AC_DEFINE([BUILD_ENABLE_MULTI_SEAT], [1],
 906                   [Use systemd for multi-seat support])
 907 fi
 908
 909 AM_CONDITIONAL([BUILD_ENABLE_MULTI_SEAT],
 910                [test "x$multi_seat_enabled" = "xyes"])
 911
 912 # hotplug
 913 if test "x$hotplug_enabled" = "xyes" ; then
 914         AC_DEFINE([BUILD_ENABLE_HOTPLUG], [1],
 915                   [Use udev for hotplug support])
 916 fi
 917
 918 AM_CONDITIONAL([BUILD_ENABLE_HOTPLUG],
 919                [test "x$hotplug_enabled" = "xyes"])
 920
 921 # pciaccess
 922 if test "x$pciaccess_enabled" = "xyes" ; then
 923         AC_DEFINE([BUILD_ENABLE_PCIACCESS], [1],
 924                   [Use pciaccess for device detection])
 925 fi
 926
 927 AM_CONDITIONAL([BUILD_ENABLE_PCIACCESS],
 928                [test "x$pciaccess_enabled" = "xyes"])
 929
 930 # renderer bblit
 931 if test "x$renderer_bblit_enabled" = "xyes" ; then
 932         AC_DEFINE([BUILD_ENABLE_RENDERER_BBLIT], [1],
 933                   [Build bblit rendering backend])
 934 fi
 935
 936 AM_CONDITIONAL([BUILD_ENABLE_RENDERER_BBLIT],
 937                [test "x$renderer_bblit_enabled" = "xyes"])
 938
 939 # renderer bbulk
 940 if test "x$renderer_bbulk_enabled" = "xyes" ; then
 941         AC_DEFINE([BUILD_ENABLE_RENDERER_BBULK], [1],
 942                   [Build bbulk rendering backend])
 943 fi
 944
 945 AM_CONDITIONAL([BUILD_ENABLE_RENDERER_BBULK],
 946                [test "x$renderer_bbulk_enabled" = "xyes"])
 947
 948 # renderer gltex
 949 if test "x$renderer_gltex_enabled" = "xyes" ; then
 950         AC_DEFINE([BUILD_ENABLE_RENDERER_GLTEX], [1],
 951                   [Build gltex rendering backend])
 952 fi
 953
 954 AM_CONDITIONAL([BUILD_ENABLE_RENDERER_GLTEX],
 955                [test "x$renderer_gltex_enabled" = "xyes"])
 956
 957 # font 8x16
 958 if test "x$font_8x16_enabled" = "xyes" ; then
 959         AC_DEFINE([BUILD_ENABLE_FONT_8X16], [1],
 960                   [Build static 8x16 font backend])
 961 fi
 962
 963 AM_CONDITIONAL([BUILD_ENABLE_FONT_8X16],
 964                [test "x$font_8x16_enabled" = "xyes"])
 965
 966 # font unifont
 967 if test "x$font_unifont_enabled" = "xyes" ; then
 968         AC_DEFINE([BUILD_ENABLE_FONT_UNIFONT], [1],
 969                   [Build static unifont backend])
 970 fi
 971
 972 AM_CONDITIONAL([BUILD_ENABLE_FONT_UNIFONT],
 973                [test "x$font_unifont_enabled" = "xyes"])
 974
 975 # font freetype2
 976 if test "x$font_freetype2_enabled" = "xyes" ; then
 977         AC_DEFINE([BUILD_ENABLE_FONT_FREETYPE2], [1],
 978                   [Build freetype2 font backend])
 979 fi
 980
 981 AM_CONDITIONAL([BUILD_ENABLE_FONT_FREETYPE2],
 982                [test "x$font_freetype2_enabled" = "xyes"])
 983
 984 # font pango
 985 if test "x$font_pango_enabled" = "xyes" ; then
 986         AC_DEFINE([BUILD_ENABLE_FONT_PANGO], [1],
 987                   [Build pango font backend])
 988 fi
 989
 990 AM_CONDITIONAL([BUILD_ENABLE_FONT_PANGO],
 991                [test "x$font_pango_enabled" = "xyes"])
 992
 993 # session dummy
 994 if test "x$session_dummy_enabled" = "xyes" ; then
 995         AC_DEFINE([BUILD_ENABLE_SESSION_DUMMY], [1],
 996                   [Build dummy session])
 997 fi
 998
 999 AM_CONDITIONAL([BUILD_ENABLE_SESSION_DUMMY],
1000                [test "x$session_dummy_enabled" = "xyes"])
1001
1002 # session terminal
1003 if test "x$session_terminal_enabled" = "xyes" ; then
1004         AC_DEFINE([BUILD_ENABLE_SESSION_TERMINAL], [1],
1005                   [Build terminal session])
1006 fi
1007
1008 AM_CONDITIONAL([BUILD_ENABLE_SESSION_TERMINAL],
1009                [test "x$session_terminal_enabled" = "xyes"])
1010
1011 # session cdev
1012 if test "x$session_cdev_enabled" = "xyes" ; then
1013         AC_DEFINE([BUILD_ENABLE_SESSION_CDEV], [1],
1014                   [Build cdev session])
1015 fi
1016
1017 AM_CONDITIONAL([BUILD_ENABLE_SESSION_CDEV],
1018                [test "x$session_cdev_enabled" = "xyes"])
1019
1020 # session compositor
1021 if test "x$session_compositor_enabled" = "xyes" ; then
1022         AC_DEFINE([BUILD_ENABLE_SESSION_COMPOSITOR], [1],
1023                   [Build compositor session])
1024 fi
1025
1026 AM_CONDITIONAL([BUILD_ENABLE_SESSION_COMPOSITOR],
1027                [test "x$session_compositor_enabled" = "xyes"])
1028
1029 # kmscon
1030 AM_CONDITIONAL([BUILD_ENABLE_KMSCON],
1031                [test "x$kmscon_enabled" = "xyes"])
1032
1033 # wlterm
1034 AM_CONDITIONAL([BUILD_ENABLE_WLTERM],
1035                [test "x$wlterm_enabled" = "xyes"])
1036
1037 #
1038 # Miscellaneous Checks
1039 # All checks below are independent of module checking or depend on the results
1040 # of it. They do not have any dependencies themself so they are not part of the
1041 # module infrastructure.
1042 #
1043
1044 # check for _Static_assert
1045 AC_MSG_CHECKING([whether _Static_assert() is supported])
1046 AC_LANG([C])
1047 have_static_assert=yes
1048 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[_Static_assert(1, "What?");]])],
1049                   [AC_DEFINE([BUILD_HAVE_STATIC_ASSERT],
1050                              [1],
1051                              [Define to 1 if _Static_assert() is supported])],
1052                   [have_static_assert=no])
1053 AC_MSG_RESULT([$have_static_assert])
1054
1055 # check for gbm_bo_get_pitch() function, otherwise gbm_bo_get_stride() is used
1056 if test x$have_gbm = xyes ; then
1057         save_CFLAGS="$CFLAGS"
1058         save_LIBS="$LIBS"
1059         save_LDFLAGS="$LDFLAGS"
1060         CFLAGS="$DRM_CFLAGS $GBM_CFLAGS"
1061         LIBS="$DRM_LIBS $GBM_LIBS"
1062         LDFLAGS=""
1063         AC_CHECK_LIB([gbm],
1064                      [gbm_bo_get_pitch],
1065                      [AC_DEFINE([BUILD_HAVE_GBM_BO_GET_PITCH],
1066                                 [1],
1067                                 [Define to 1 if your libgbm provides gbm_bo_get_pitch])])
1068         CFLAGS="$save_CFLAGS"
1069         LIBS="$save_LIBS"
1070         LDFLAGS="$save_LDFLAGS"
1071 fi
1072
1073 #
1074 # Makefile vars
1075 # After everything is configured, we correctly substitute the values for the
1076 # makefiles.
1077 #
1078
1079 AC_CONFIG_FILES([Makefile
1080                  src/libeloop.pc
1081                  src/libtsm.pc
1082                  src/libuterm.pc])
1083 AC_OUTPUT
1084
1085 #
1086 # Configuration output
1087 # Show configuration to the user so they can check whether everything was
1088 # configured as expected.
1089 #
1090
1091 AC_MSG_NOTICE([Build configuration:
1092
1093   Applications and Libraries:
1094                kmscon: $kmscon_enabled ($kmscon_avail)
1095                wlterm: $wlterm_enabled ($wlterm_avail)
1096                 uterm: $uterm_enabled ($uterm_avail)
1097                   tsm: $tsm_enabled ($tsm_avail)
1098                 eloop: $eloop_enabled ($eloop_avail)
1099
1100   Miscellaneous Options:
1101                 debug: $debug_enabled ($debug_avail)
1102         optimizations: $optimizations_enabled ($optimizations_avail)
1103            multi-seat: $multi_seat_enabled ($multi_seat_avail)
1104               hotplug: $hotplug_enabled ($hotplug_avail)
1105             pciaccess: $pciaccess_enabled ($pciaccess_avail)
1106            eloop-dbus: $eloop_dbus_enabled ($eloop_dbus_avail)
1107
1108   Video Backends:
1109                 fbdev: $video_fbdev_enabled ($video_fbdev_avail)
1110              dumb drm: $video_dumb_enabled ($video_dumb_avail)
1111                   drm: $video_drm_enabled ($video_drm_avail)
1112
1113   Font Backends:
1114                  8x16: $font_8x16_enabled ($font_8x16_avail)
1115               unifont: $font_unifont_enabled ($font_unifont_avail)
1116             freetype2: $font_freetype2_enabled ($font_freetype2_avail)
1117                 pango: $font_pango_enabled ($font_pango_avail)
1118
1119   Renderers:
1120                 bblit: $renderer_bblit_enabled ($renderer_bblit_avail)
1121                 bbulk: $renderer_bbulk_enabled ($renderer_bbulk_avail)
1122                 gltex: $renderer_gltex_enabled ($renderer_gltex_avail)
1123
1124   Session Types:
1125                 dummy: $session_dummy_enabled ($session_dummy_avail)
1126              terminal: $session_terminal_enabled ($session_terminal_avail)
1127                  cdev: $session_cdev_enabled ($session_cdev_avail)
1128            compositor: $session_compositor_enabled ($session_compositor_avail)
1129
1130         Run "make" to start compilation process])