configure.ac

   1 dnl Process this file with autogen.sh to produce a working configure
   2 dnl script.
   3
   4 AC_INIT(SimGear, m4_esyscmd([cat ./version | tr -d '\n']), [http://www.flightgear.org])
   5
   6 dnl Ensure touching the version causes autoconf to re-run
   7 AC_SUBST([CONFIGURE_DEPENDENCIES], ['$(top_srcdir)/version'])
   8
   9 AC_CONFIG_SRCDIR([simgear/bucket/newbucket.cxx])
  10
  11 dnl Require at least automake 2.52
  12 AC_PREREQ(2.52)
  13
  14 dnl Initialize the automake stuff
  15 dnl Specify KAI C++ compiler and flags.
  16 dnl Borrowed with slight modification from blitz distribution.
  17 AC_ARG_WITH(cxx,
  18   [  --with-cxx=COMPILER[:name-flags] set options for COMPILER (KCC)],
  19   [case "$withval" in
  20     KCC*)    # KAI C++ http://www.kai.com/
  21       echo "Configuring for KAI C++"
  22       AC_SG_SET_COMPILER($withval,"KCC","--restrict --strict_warnings")
  23       CXX_OPTIMIZE_FLAGS=="+K3 -O3"
  24       CXX_DEBUG_FLAGS="-g +K0"
  25     ;;
  26   esac
  27 ])
  28 dnl set the $host variable based on local machine/os
  29 AC_CANONICAL_TARGET
  30 AM_INIT_AUTOMAKE([dist-bzip2])
  31
  32 AC_ARG_ENABLE(headless,
  33         AS_HELP_STRING([--enable-headless],[Enable only packages for headless build]))
  34
  35 AC_ARG_ENABLE(osgdebug,
  36                 AS_HELP_STRING([--enable-osgdebug],[Enable debug OSG libraries]))
  37
  38 AC_MSG_CHECKING([for headless mode])
  39 AC_MSG_RESULT([$enable_headless])
  40
  41 AM_CONDITIONAL(WANT_HEADLESS,[test "x$enable_headless" = "xyes"])
  42
  43 AC_MSG_CHECKING([CXX])
  44 AC_MSG_RESULT([$CXX])
  45 AC_MSG_CHECKING([CC])
  46 AC_MSG_RESULT([$CC])
  47
  48 dnl Checks for programs.
  49 AC_PROG_MAKE_SET
  50 AC_PROG_CC
  51 AC_PROG_CPP
  52 AC_PROG_CXX
  53 AC_PROG_CXXCPP
  54 AC_PROG_RANLIB
  55 AC_PROG_INSTALL
  56 AC_PROG_LN_S
  57 AX_BOOST_BASE([1.37.0])
  58
  59 if test "x$BOOST_CPPFLAGS" != "x-I/usr/include" ; then
  60    CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
  61 fi
  62
  63 dnl set the $host variable based on local machine/os
  64 AC_CANONICAL_HOST
  65
  66 dnl Used on the Irix platform
  67 case "${host}" in
  68 *-*-irix*)
  69     if test "x$CXX" = "xCC" -o "x$CXX" = "xccache CC"; then
  70         AR="$CXX -ar"
  71         ARFLAGS="-o"
  72         CXXFLAGS="$CXXFLAGS -I$(top_srcdir)/simgear/compatibility/MIPSpro740"
  73         compatibility_DIR="compatibility"
  74         MIPSpro_DIRS="MIPSpro740"
  75         AC_MSG_CHECKING([for MIPSpro compiler version 7.4 or newer])
  76         AC_TRY_RUN([
  77            int main() {
  78               if ( _COMPILER_VERSION < 740 ) {
  79                  return -1;
  80               }
  81               return 0;
  82            }
  83
  84         ], AC_MSG_RESULT(yes),
  85         [  AC_MSG_RESULT(no)
  86            CXXFLAGS="$CXXFLAGS -I$(top_srcdir)/simgear/compatibility/MIPSpro721"
  87            MIPSpro_DIRS="$(MIPSpro_DIRS) MIPSpro721"
  88            AC_MSG_WARN([Using our own subset of the STL headers])
  89         ], AC_MSG_RESULT(yes))
  90         AC_SUBST(MIPSpro_DIRS)
  91     fi
  92     ;;
  93 *)
  94     AR="ar"
  95     ARFLAGS="cru"
  96     compatibility_DIR=
  97     ;;
  98 esac
  99 AC_SUBST(AR)
 100 AC_SUBST(ARFLAGS)
 101 AC_SUBST(compatibility_DIR)
 102
 103 # Show all compiler warnings by default
 104 CXXFLAGS="$CXXFLAGS -Wall"
 105 CFLAGS="$CFLAGS -Wall"
 106
 107 if echo $includedir | egrep "simgear$" > /dev/null; then
 108     echo "includedir is" $includedir "libdir is" $libdir
 109 else
 110     includedir="${includedir}/simgear"
 111     echo "includedir changed to" $includedir "libdir is" $libdir
 112 fi
 113
 114 dnl set logging; default value of with_logging=yes
 115 AC_ARG_WITH(logging, [  --with-logging          Include logging output (default)])
 116 if test "x$with_logging" = "xno" ; then
 117     AC_DEFINE([FG_NDEBUG], 1, [Define for no logging output])
 118 fi
 119
 120 # Specify if we want to build with Norman's jpeg image server support.
 121 # This requires libjpeg to be installed and available.
 122 # Default to with_jpeg_server=no
 123 JPEGLIB=''
 124 AC_ARG_WITH(jpeg_factory, [  --with-jpeg-factory     Include Norman's jpeg image factory support code])
 125 if test "x$with_jpeg_factory" = "xyes" ; then
 126     echo "Building with Norman's jpeg image factory support"
 127     AC_CHECK_LIB(jpeg, jpeg_start_compress)
 128     if test "x$ac_cv_lib_jpeg_jpeg_start_compress" != "xyes" ; then
 129         echo
 130         echo "In order to build the jpeg factory code you need libjpeg installed."
 131         echo "otherwise please configure with the --with-jpeg-sever=no option"
 132         echo
 133         echo "libjpeg is available at :"
 134         echo "  ftp://ftp.uu.net in the directory graphics/jpeg"
 135         exit 1
 136     fi
 137 else
 138     echo "Building without Norman's jpeg image server support"
 139 fi
 140 AM_CONDITIONAL(ENABLE_JPEG_SERVER, test "x$with_jpeg_factory" = "xyes")
 141
 142 # specify the osg location
 143 AC_ARG_WITH(osg, [  --with-osg=PREFIX       Specify the prefix path to osg])
 144
 145 if test "x$with_osg" != "x" ; then
 146     echo "osg prefix is $with_osg"
 147     EXTRA_DIRS="${EXTRA_DIRS} $with_osg"
 148 fi
 149
 150 AC_ARG_WITH(osg_framework, [  --with-osg-framework=PREFIX     Specify the prefix path to OSG.framework ])
 151
 152 if test "x$with_osg_framework" != "x"; then
 153     echo "osg framework prefix is $with_osg_framework"
 154     CPPFLAGS = "$CPPFLAGS -F$with-osg-framework"
 155     export DYLD_FRAMEWORK_PATH="$DYLD_FRAMEWORK_PATH:$with_osg_framework"
 156 fi
 157
 158 dnl specifying ALUT.framework (for user provided ALUT.framework)
 159 AC_ARG_WITH(alut_framework, [  --with-alut-framework=PREFIX    Specify the prefix path to ALUT.framework ])
 160
 161 if test "x$with_alut_framework" != "x"; then
 162     echo "ALUT framework prefix is $with_alut_framework"
 163 fi
 164
 165 # specify the rti13 location
 166 AC_ARG_WITH(rti13, [  --with-rti13=PREFIX       Specify the prefix path to a HLA13 rti])
 167
 168 if test "x$with_rti13" != "x" ; then
 169     echo "rti13 prefix is $with_rti13"
 170     EXTRA_DIRS="${EXTRA_DIRS} $with_rti13"
 171 fi
 172
 173 # specify the rti13 location
 174 AC_ARG_WITH(rti1516, [  --with-rti1516=PREFIX     Specify the prefix path to a HLA1516 rti])
 175
 176 if test "x$with_rti1516" != "x" ; then
 177     echo "rti1516 prefix is $with_rti1516"
 178     EXTRA_DIRS="${EXTRA_DIRS} $with_rti1516"
 179 fi
 180
 181 dnl Determine an extra directories to add to include/lib search paths
 182 case "${host}" in
 183 *-apple-darwin* | *-*-cygwin* | *-*-mingw32*)
 184     echo no EXTRA_DIRS for $host
 185     ;;
 186
 187 *)
 188     if test -d /usr/X11R6 ; then
 189         EXTRA_DIR1="/usr/X11R6"
 190     fi
 191     if test -d /opt/X11R6 ; then
 192         EXTRA_DIR2="/opt/X11R6"
 193     fi
 194     EXTRA_DIRS="${EXTRA_DIRS} $EXTRA_DIR1 $EXTRA_DIR2"
 195     ;;
 196
 197 esac
 198 wi_EXTRA_DIRS(no, ${EXTRA_DIRS})
 199
 200
 201 dnl Using AM_CONDITIONAL is a step out of the protected little
 202 dnl automake fold so it is potentially dangerous.  But, we are
 203 dnl beginning to run into cases where the standard checks are not
 204 dnl enough.  AM_CONDITIONALS are then referenced to conditionally
 205 dnl build a Makefile.in from a Makefile.am which lets us define custom
 206 dnl includes, compile alternative source files, etc.
 207
 208 dnl X11 might be installed on Mac OS X or cygwin/mingwin, we don't want
 209 dnl to use it if it is.
 210 case "${host}" in
 211 *-apple-darwin* | *-*-cygwin* | *-*-mingw32*)
 212     echo no fancy X11 check
 213     ;;
 214
 215 *)
 216     AC_PATH_XTRA
 217     ;;
 218
 219 esac
 220
 221 dnl Checks for libraries.
 222
 223 dnl Thread related checks
 224 AC_CHECK_HEADER(pthread.h)
 225 AC_SEARCH_LIBS(pthread_exit, [pthread c_r])
 226 if test "x$ac_cv_header_pthread_h" = "xyes"; then
 227     CXXFLAGS="$CXXFLAGS -D_REENTRANT"
 228     CFLAGS="$CFLAGS -D_REENTRANT"
 229
 230   if test "x$ac_cv_search_pthread_exit" = "x-lc_r"; then
 231     CXXFLAGS="-pthread $CXXFLAGS"
 232     CFLAGS="-pthread $CFLAGS"
 233   fi
 234 fi
 235
 236 AM_CONDITIONAL(HAVE_THREADS, test "x$ac_cv_header_pthread_h" = "xyes")
 237
 238 thread_LIBS="$LIBS"
 239 LIBS=""
 240
 241 dnl search for network related libraries
 242 AC_SEARCH_LIBS(inet_addr, xnet)
 243 AC_SEARCH_LIBS(socket, socket)
 244
 245 network_LIBS="$LIBS"
 246 LIBS=""
 247
 248 dnl check for some default libraries
 249 AC_SEARCH_LIBS(cos, m)
 250 AC_SEARCH_LIBS(clock_gettime, rt)
 251
 252 base_LIBS="$LIBS"
 253
 254 dnl check for OpenGL related libraries
 255 case "${host}" in
 256 *-*-cygwin* | *-*-mingw32*)
 257     dnl CygWin under Windoze.
 258
 259     echo Win32 specific hacks...
 260     AC_DEFINE([WIN32], 1, [Define for Win32 platforms])
 261     AC_DEFINE([NOMINMAX], 1, [Define for Win32 platforms])
 262
 263     LIBS="$LIBS -lglu32 -lopengl32"
 264     LIBS="$LIBS -luser32 -lgdi32 -lwinmm"
 265
 266     dnl add -lwsock32 for mingwin
 267     case "${host}" in
 268     *-*-mingw32*)
 269         base_LIBS="$base_LIBS -lws2_32"
 270         ;;
 271     esac
 272
 273     echo "Will link apps with $LIBS"
 274     ;;
 275
 276 *-apple-darwin*)
 277     dnl Mac OS X
 278
 279     LIBS="$LIBS -framework OpenGL -framework Carbon -lobjc"
 280     ;;
 281
 282 *)
 283     dnl X-Windows based machines
 284
 285     AC_SEARCH_LIBS(XCreateWindow, X11)
 286     AC_SEARCH_LIBS(XShmCreateImage, Xext)
 287     AC_SEARCH_LIBS(XGetExtensionVersion, Xi)
 288     AC_SEARCH_LIBS(IceOpenConnection, ICE)
 289     AC_SEARCH_LIBS(SmcOpenConnection, SM)
 290     AC_SEARCH_LIBS(XtMalloc, Xt)
 291     AC_SEARCH_LIBS(XmuLookupStandardColormap, Xmu)
 292
 293     AC_SEARCH_LIBS(glNewList, [ GL GLcore MesaGL ])
 294     if test "x$ac_cv_search_glNewList" = "x-lGLcore"; then
 295         dnl if GLcore found, then also check for GL
 296         AC_SEARCH_LIBS(glXCreateContext, GL)
 297     fi
 298
 299     dnl if using mesa, check for xmesa.h
 300     if test "x$ac_cv_search_glNewList" = "x-lMesaGL"; then
 301         AC_CHECK_HEADER(GL/fxmesa.h)
 302         if test "x$ac_cv_header_GL_fxmesa_h" = "xyes"; then
 303             AC_DEFINE([XMESA], 1, [Define for fxmesa])
 304             AC_DEFINE([FX], 1, [Define for fxmesa])
 305         fi
 306     fi
 307
 308     AC_SEARCH_LIBS(gluLookAt, [ GLU MesaGLU ])
 309     ;;
 310
 311 esac
 312
 313 opengl_LIBS="$LIBS"
 314 LIBS="$base_LIBS"
 315
 316 dnl check for OpenAL libraries
 317 OPENAL_OK="no"
 318 ALUT_OK="no"
 319 case "${host}" in
 320 *-*-cygwin* | *-*-mingw32*)
 321     dnl CygWin under Windoze.
 322     INCLUDES="$INCLUDES -I/usr/local/include/"
 323     LIBS="$LIBS -L/usr/local/lib"
 324     AC_SEARCH_LIBS(alGenBuffers, [ openal32 openal 'openal -ldsound -lwinmm' ] )
 325     AC_SEARCH_LIBS(alutInit, [ openal32 ALut alut ] )
 326     LIBS="$LIBS -lwinmm -ldsound -ldxguid -lole32"
 327     openal_LIBS="$LIBS"
 328     OPENAL_OK="$ac_cv_search_alGenBuffers"
 329     ALUT_OK="$ac_cv_search_alutInit"
 330     ;;
 331
 332 *-apple-darwin*)
 333     dnl Mac OS X
 334
 335     LIBS="$LIBS -framework IOKit -framework OpenAL -framework ALUT"
 336     openal_LIBS="$LIBS"
 337
 338     if test "x$with_openal_lib" != "x"; then
 339         echo "libopenal is not supported on Mac OS platform."
 340         openal_LIBS=""
 341     fi
 342
 343     AC_CHECK_HEADERS([OpenAL/al.h],[OPENAL_OK="yes"])
 344     # Looking for alut.h
 345     AC_CHECK_HEADERS([ALUT/alut.h],[ALUT_OK="yes"])
 346
 347     dnl Thank you Christian Bauer from SheepSaver
 348     dnl Modified by Tatsuhiro Nishioka for accepting a given framework path
 349     dnl AC_CHECK_FRAMEWORK($1=NAME, $2=INCLUDES, $3=FRAMEWORK_PATH, $4=ACTION_IF_TRUE) ; $3 is optional
 350     AC_DEFUN([AC_CHECK_FRAMEWORK], [
 351     AS_VAR_PUSHDEF([ac_Framework], [ac_cv_framework_$1])dnl
 352     AC_CACHE_CHECK([whether compiler supports framework $1],
 353         ac_Framework, [
 354         saved_LIBS="$LIBS"
 355         FRAMEWORKS="$FRAMEWORKS -framework $1"
 356         if test "$3" = ""; then
 357             FRAMEWORKS="$FRAMEWORKS $ADD2LD"
 358         elif test "`echo $FRAMEWORKS | grep -- -F$3`" = ""; then
 359             FRAMEWORKS="$FRAMEWORKS -F$3"
 360             CXXFLAGS="$CXXFLAGS -F$3"
 361             CPPFLAGS="$CPPFLAGS -F$3"
 362             CCFLAGS="$CCFLAGS -F$3"
 363             dnl This is needed for AC_TRY_LINK when a framework path is specified
 364             export DYLD_FRAMEWORK_PATH="${DYLD_FRAMEWORK_PATH}:$3"
 365         fi
 366         AC_TRY_LINK(
 367         [$2], [],
 368         [AS_VAR_SET(ac_Framework, yes)], [AS_VAR_SET(ac_Framework, no); LIBS="$saved_LIBS"]
 369         )
 370     ])
 371     AS_IF([test AS_VAR_GET(ac_Framework) = yes],
 372         [AC_DEFINE(AS_TR_CPP(HAVE_FRAMEWORK_$1), 1, [Define if framework $1 is available.])]
 373     )
 374     AS_IF([test AS_VAR_GET(ac_Framework) = yes], $4)
 375
 376     AS_VAR_POPDEF([ac_Framework])dnl
 377     ])
 378
 379     dnl Check for ALUT.framework when --with-alut-framework is specified
 380     if test "x$with_alut_framework" != "x"; then
 381       AC_CHECK_FRAMEWORK(ALUT, [#include <ALUT/alut.h>], $with_alut_framework, [ALUT_OK="yes"])
 382     fi
 383
 384     ;;
 385
 386 *)
 387     dnl default unix style machines
 388
 389     save_LIBS=$LIBS
 390     LIBS="$LIBS $thread_LIBS"
 391     AC_SEARCH_LIBS(alGenBuffers, openal)
 392     AC_SEARCH_LIBS(alutInit, [ alut openal ] )
 393     OPENAL_OK="$ac_cv_search_alGenBuffers"
 394     ALUT_OK="$ac_cv_search_alutInit"
 395     openal_LIBS="$LIBS"
 396     LIBS=$save_LIBS
 397     ;;
 398
 399 esac
 400
 401 if test "$OPENAL_OK" = "no" -a "x$enable_headless" != "xyes"; then
 402     echo
 403     echo "You *must* have the openal library installed on your system to build"
 404     echo "SimGear!"
 405     echo
 406     echo "Please see README.OpenAL for more details."
 407     echo
 408     echo "configure aborted."
 409     exit
 410 fi
 411
 412 if test "$ALUT_OK" = "no" -a "x$enable_headless" != "xyes"; then
 413     echo
 414     echo "You *must* have the alut library installed on your system to build"
 415     echo "SimGear!"
 416     echo
 417     echo "Please see README.OpenAL for more details."
 418     echo
 419     echo "configure aborted."
 420     exit
 421 fi
 422
 423
 424
 425 LIBS="$base_LIBS"
 426
 427 AC_SUBST(base_LIBS)
 428 AC_SUBST(openal_LIBS)
 429 AC_SUBST(opengl_LIBS)
 430 AC_SUBST(thread_LIBS)
 431 AC_SUBST(network_LIBS)
 432
 433 dnl Check for MS Windows environment
 434 AC_CHECK_HEADER(windows.h)
 435 AM_CONDITIONAL(EXTGL_NEEDED, test "x$ac_cv_header_windows_h" = "xyes")
 436
 437 # The following are C++ items that need to be tested for with the c++
 438 # compiler
 439
 440 CXXCPP="g++ -E"
 441 AC_LANG_PUSH(C++)
 442
 443 LIBS="$base_LIBS"
 444
 445 # OpenSceneGraph
 446 case "${host}" in
 447 *-apple-darwin*)
 448     if test "x$with_osg_framework" != "x"; then
 449 #       AC_CHECK_FRAMEWORK(osgViewer, [#include <osgViewer/Version>], $with_osg_framework)
 450 #       AC_CHECK_FRAMEWORK(osgGA, [#include <osgGA/Version>], $with_osg_framework)
 451 #       AC_CHECK_FRAMEWORK(osgText, [#include <osgText/Version>], $with_osg_framework)
 452 #       AC_CHECK_FRAMEWORK(osgFX, [#include <osgFX/AnisotropicLighting>], $with_osg_framework)
 453 #       AC_CHECK_FRAMEWORK(osgUtil, [#include <osgUtil/Version>], $with_osg_framework)
 454 #       AC_CHECK_FRAMEWORK(osgDB, [#include <osgDB/Version>], $with_osg_framework)
 455 #       AC_CHECK_FRAMEWORK(osgSim, [#include <osgSim/Version>], $with_osg_framework)
 456 #       AC_CHECK_FRAMEWORK(osgParticle, [#include <osgParticle/Version>], $with_osg_framework)
 457         AC_CHECK_FRAMEWORK(osg, [#include <osg/Version>], $with_osg_framework)
 458 #       osg_FRAMEWORKS="$FRAMEWORKS"
 459 #       FRAMEWORKS=""
 460 #       AC_SUBST(osg_FRAMEWORKS)
 461         AC_CHECK_FRAMEWORK(OpenThreads, [#include <OpenThreads/Version>], $with_osg_framework)
 462         openthreads_FRAMEWORK="$FRAMEWORKS"
 463         FRAMEWORKS=""
 464         AC_SUBST(openthreads_FRAMEWORK)
 465     else
 466         dnl
 467         dnl This is needed when osg dynamic libs are specified
 468         dnl instead of OSG frameworks on Mac OS X
 469         dnl
 470         AC_CHECK_LIB(OpenThreads,OpenThreadsGetVersion)
 471     fi
 472     ;;
 473 *)
 474     if test "x$enable_osgdebug" = "xyes"; then
 475         AC_CHECK_LIB(OpenThreadsd,OpenThreadsGetVersion)
 476     else
 477         AC_CHECK_LIB(OpenThreads,OpenThreadsGetVersion)
 478     fi
 479     ;;
 480 esac
 481
 482 AM_CONDITIONAL(HAVE_FRAMEWORK_OSG, test "x$ac_cv_framework_osg" != "x")
 483
 484 AC_CHECK_HEADER(osg/Version)
 485
 486 if test "x$ac_cv_header_osg_Version" != "xyes" -o "x$ac_cv_lib_OpenThreads_OpenThreadsGetVersion" != "xyes"; then
 487   if test "x$ac_cv_framework_osg" != "xyes"; then
 488     echo
 489     echo "You *must* have the OpenThreads library installed on your system"
 490     echo "to build this version of SimGear!"
 491     echo "   Maybe you need to specify --with-osg=DIR."
 492     echo "   Maybe you need to specify some LDFLAGS to help the linker."
 493     echo
 494     echo "     LIBS: '$LIBS'"
 495     echo "  LDFLAGS: '$LDFLAGS'"
 496     echo " CPPFLAGS: '$CPPFLAGS'"
 497     echo
 498     echo "Please see README.OSG for more details."
 499     echo
 500     echo "configure aborted."
 501     exit
 502   fi
 503 fi
 504
 505 osg_LIBS="$LIBS"
 506 AC_SUBST(osg_LIBS)
 507 LIBS="$base_LIBS"
 508
 509 AC_CHECK_HEADER(boost/version.hpp)
 510 if test "x$ac_cv_header_boost_version_hpp" != "xyes"; then
 511     echo
 512     echo "You *must* have the Boost library installed on your system"
 513     echo "to build this version of SimGear!"
 514     echo
 515     echo "     LIBS: '$LIBS'"
 516     echo "  LDFLAGS: '$LDFLAGS'"
 517     echo " CPPFLAGS: '$CPPFLAGS'"
 518     echo
 519     echo "configure aborted."
 520     exit
 521 fi
 522
 523 dnl Check for a HLA13 rti.
 524 dnl This is really tricky because of the ancient iostream stuff in RTI13
 525 saved_CPPFLAGS="$CPPFLAGS"
 526 CPPFLAGS="$CPPFLAGS -DRTI_USES_STD_FSTREAM"
 527 AC_CHECK_HEADER(RTI.hh)
 528 CPPFLAGS="${saved_CPPFLAGS}"
 529
 530 dnl Up to now only RTI13
 531 AM_CONDITIONAL(ENABLE_HLA, test "x$ac_cv_header_RTI_hh" = "xyes")
 532 AM_CONDITIONAL(ENABLE_HLA13, test "x$ac_cv_header_RTI_hh" = "xyes")
 533
 534 AC_LANG_POP
 535
 536 dnl Check for system installed zlib
 537 AC_CHECK_HEADER(zlib.h)
 538 if test "x$ac_cv_header_zlib_h" != "xyes"; then
 539     echo
 540     echo "zlib library not found."
 541     echo
 542     echo "If your OS does not provide an installable package for zlib"
 543     echo "you will have to compile and install it first yourself.  A copy"
 544     echo "of zlib-1.1.4.tar.gz is included with SimGear.  You will"
 545     echo "have to untar this source code, and follow its included instructions"
 546     echo "to compile and install on your system."
 547     echo
 548     echo "configure aborted."
 549     echo
 550 fi
 551
 552 dnl Check for Subversion library support
 553 # libsvn support defaults to yes
 554 save_LIBS=$LIBS
 555 save_CPPFLAGS=$CPPFLAGS
 556 AC_ARG_WITH(libsvn, [  --without-libsvn        Do not use built-in subversion (libsvn) for simgear [default=no]], [], [with_libsvn=yes])
 557 if test "x$with_libsvn" = "xyes"; then
 558     LIBS="`apr-1-config --link-ld`"
 559     CPPFLAGS="-I/usr/include/subversion-1 `apr-1-config --includes --cppflags`"
 560     AC_CHECK_HEADERS([svn_client.h])
 561        if test "x$ac_cv_header_svn_client_h" = "xyes"; then
 562         echo "Using built-in subversion (libsvn) for scenery downloads."
 563         AC_SEARCH_LIBS(svn_client_checkout, svn_client-1,
 564                        [AC_DEFINE([HAVE_LIBSVN_CLIENT_1], [1], [Define to 1 if you have libsvn_client-1])],
 565                        [AC_MSG_ERROR(svn_client-1 library not found.)],)
 566         AC_SEARCH_LIBS(svn_cmdline_init, svn_subr-1, , [AC_MSG_ERROR(svn_subr-1 library not found.)],)
 567         AC_SEARCH_LIBS(svn_ra_initialize, svn_ra-1, , [AC_MSG_ERROR(svn_ra-1 library not found.)],)
 568         svn_LIBS=$LIBS
 569         svn_CPPFLAGS=$CPPFLAGS
 570         AC_SUBST(svn_LIBS)
 571         AC_SUBST(svn_CPPFLAGS)
 572        else
 573         echo "Libsvn not found. Will use command line subversion for scenery downloads."
 574         svn_LIBS=""
 575         svn_CPPFLAGS=""
 576        fi
 577 else
 578 echo "Libsvn explicitly disabled. Will use command line subversion for scenery downloads."
 579   svn_LIBS=""
 580   svn_CPPFLAGS=""
 581 fi
 582 LIBS=$save_LIBS
 583 CPPFLAGS=$save_CPPFLAGS
 584
 585 dnl Checks for header files.
 586 AC_HEADER_STDC
 587 AC_CHECK_HEADERS( \
 588         fcntl.h getopt.h malloc.h memory.h stdint.h stdlib.h sys/param.h \
 589         sys/stat.h sys/time.h sys/timeb.h unistd.h values.h )
 590
 591 if test "x$ac_cv_header_stdint_h" = "xyes"; then
 592     AC_DEFINE([HAVE_STDINT_H], 1, [Define if stdint.h exists])
 593 fi
 594
 595 dnl Checks for typedefs, structures, and compiler characteristics.
 596 AC_C_CONST
 597 AC_TYPE_SIZE_T
 598 AC_TYPE_MODE_T
 599 AC_HEADER_TIME
 600 AC_STRUCT_TM
 601
 602 dnl Checks for library functions.
 603 old_LIBS=$LIBS
 604 LIBS="$base_LIBS $network_LIBS $opengl_LIBS"
 605 AC_TYPE_SIGNAL
 606 AC_FUNC_VPRINTF
 607 AC_CHECK_FUNCS( [ \
 608         ftime gettimeofday timegm memcpy bcopy mktime strstr rand \
 609         random drand48 setitimer getitimer signal GetLocalTime rint getrusage ] )
 610 LIBS=$old_LIBS
 611
 612 AM_CONFIG_HEADER(simgear/simgear_config.h)
 613
 614 AC_CONFIG_FILES([ \
 615         Makefile \
 616         SimGear.spec \
 617         simgear/Makefile \
 618         simgear/version.h \
 619         simgear/compatibility/Makefile \
 620         simgear/compatibility/MIPSpro721/Makefile \
 621         simgear/compatibility/MIPSpro740/Makefile \
 622         simgear/bucket/Makefile \
 623         simgear/debug/Makefile \
 624         simgear/ephemeris/Makefile \
 625         simgear/hla/Makefile \
 626         simgear/io/Makefile \
 627         simgear/magvar/Makefile \
 628         simgear/math/Makefile \
 629         simgear/environment/Makefile \
 630         simgear/misc/Makefile \
 631         simgear/nasal/Makefile \
 632         simgear/props/Makefile \
 633         simgear/route/Makefile \
 634         simgear/scene/Makefile \
 635         simgear/scene/bvh/Makefile \
 636         simgear/scene/material/Makefile \
 637         simgear/scene/model/Makefile \
 638         simgear/scene/sky/Makefile \
 639         simgear/scene/tgdb/Makefile \
 640         simgear/scene/util/Makefile \
 641         simgear/scene/tsync/Makefile \
 642         simgear/screen/Makefile \
 643         simgear/serial/Makefile \
 644         simgear/sound/Makefile \
 645         simgear/structure/Makefile \
 646         simgear/threads/Makefile \
 647         simgear/timing/Makefile \
 648         simgear/xml/Makefile \
 649 ])
 650 AC_OUTPUT
 651
 652
 653 echo ""
 654 echo "Configure Summary"
 655 echo "================="
 656
 657 echo "Prefix: $prefix"
 658
 659 if test "x$with_logging" != "x"; then
 660     echo "Debug messages: $with_logging"
 661 else
 662     echo "Debug messages: yes"
 663 fi
 664
 665 echo -n "Automake version: "
 666 automake --version | head -1
 667
 668 if test "x$with_jpeg_factory" = "xyes"; then
 669    echo "With JPEG Factory support"
 670 else
 671    echo "Without JPEG Factory support"
 672 fi
 673
 674 if test "x$ac_cv_header_pthread_h" = "xyes"; then
 675    echo "Threads: pthread lib found."
 676 else
 677    echo "Threads: no threads (pthread lib not found.)"
 678 fi
 679