configure.in

   1 dnl Process this file with autoconf to produce a configure script.
   2 dnl Author: Michael Patra   <micky@marie.physik.tu-berlin.de>
   3 dnl                         <patra@itp1.physik.tu-berlin.de>
   4 AC_REVISION([configure.in 1.00])
   5 AC_INIT(controls/edit.c)
   6 AC_CONFIG_HEADER(include/config.h)
   7 AC_CONFIG_AUX_DIR(tools)
   8
   9 dnl **** Command-line arguments ****
  10
  11 dnl Default values
  12 LIBEXT=so       # library type .so or .a
  13 TRACE_MSGS=yes  # the TRACE() macro
  14 DEBUG_MSGS=yes  # the TRACE(), WARN(), and FIXME() macros.
  15 CURSES=yes
  16 OPENGL=normal
  17
  18 AC_ARG_ENABLE(dll,
  19 [  --disable-dll           build static libraries instead of DLLs],
  20 [if test "$enableval" = "no"; then LIBEXT="a"; fi])
  21
  22 AC_ARG_ENABLE(debug,
  23 [  --disable-debug         compile out all debugging messages],
  24 [if test "$enableval" = "no"; then DEBUG_MSGS="no"; fi])
  25
  26 AC_ARG_ENABLE(opengl,
  27 [  --enable-opengl         force usage of OpenGL even if the latter is thread-safe],
  28 [if test "$enableval" = "no"; then OPENGL="no"; elif test "$enableval" = "yes"; then OPENGL="yes"; fi])
  29
  30 AC_ARG_ENABLE(trace,
  31 [  --disable-trace         compile out TRACE messages],
  32 [if test "$enableval" = "no"; then TRACE_MSGS="no"; fi])
  33
  34 AC_ARG_WITH(curses,
  35 [  --without-curses        do not use curses],
  36 [if test "$withval" = "no"; then CURSES="no"; fi])
  37
  38 AC_ARG_WITH(reentrant-x,
  39 [  --without-reentrant-x   compile for use with non-reentrant X libraries])
  40
  41 AC_SUBST(OPTIONS)
  42
  43 if test "$DEBUG_MSGS" = "no"
  44 then
  45     AC_DEFINE(NO_DEBUG_MSGS)
  46     AC_DEFINE(NO_TRACE_MSGS)
  47 else
  48     if test "$TRACE_MSGS" = "no"
  49     then
  50         AC_DEFINE(NO_TRACE_MSGS)
  51     fi
  52 fi
  53
  54 dnl **** Check for some programs ****
  55
  56 AC_PROG_MAKE_SET
  57 AC_PROG_CC
  58 AC_PROG_CPP
  59 AC_PATH_XTRA
  60 AC_PROG_YACC
  61 AC_PROG_LEX
  62 AC_CHECK_PROGS(XLEX,$LEX flex lex,none)
  63 if test "$XLEX" = "none"
  64 then
  65         echo "*** Error: No suitable lex found. ***"
  66         echo "    Please install the 'flex' package."
  67         exit 1
  68 fi
  69 AC_DECL_YYTEXT
  70 AC_PROG_RANLIB
  71 AC_PROG_INSTALL
  72 AC_PROG_LN_S
  73 AC_CHECK_PROG(C2MAN,c2man,c2man,true)
  74 AC_PATH_PROG(LDCONFIG, ldconfig, true, /sbin:/usr/sbin:$PATH)
  75
  76 dnl Check for lint
  77 AC_CHECK_PROGS(LINT, lclint lint)
  78 if test "$LINT" = "lint"
  79 then
  80   LINTFLAGS="$LINTFLAGS -errchk=%all,no%longptr64 -errhdr=%user -Ncheck=macro -Nlevel=4"
  81   dnl LINTFLAGS='-D_SIZE_T "-Dsize_t=unsigned long" -errchk=longptr64'
  82 fi
  83 AC_SUBST(LINT)
  84 AC_SUBST(LINTFLAGS)
  85
  86 dnl **** Check for some libraries ****
  87
  88 dnl Check for -lm for BeOS
  89 AC_CHECK_LIB(m,sqrt)
  90 dnl Check for -li386 for NetBSD and OpenBSD
  91 AC_CHECK_LIB(i386,i386_set_ldt)
  92 dnl Check for -lossaudio for NetBSD
  93 AC_CHECK_LIB(ossaudio,_oss_ioctl)
  94 dnl Check for -lw for Solaris
  95 AC_CHECK_LIB(w,iswalnum)
  96 dnl Check for -lnsl for Solaris
  97 AC_CHECK_FUNCS(gethostbyname,, AC_CHECK_LIB(nsl, gethostbyname, X_EXTRA_LIBS="$X_EXTRA_LIBS -lnsl", AC_CHECK_LIB(socket, gethostbyname, X_EXTRA_LIBS="$X_EXTRA_LIBS -lnsl", , -lnsl), -lsocket))
  98 dnl Check for -lsocket for Solaris
  99 AC_CHECK_FUNCS(connect,,AC_CHECK_LIB(socket,connect))
 100 dnl Check for -lxpg4 for FreeBSD
 101 AC_CHECK_LIB(xpg4,setrunelocale)
 102 dnl Check for -lmmap for OS/2
 103 AC_CHECK_LIB(mmap,mmap)
 104 dnl Check for openpty
 105 AC_CHECK_FUNCS(openpty,,
 106         AC_CHECK_LIB(util,openpty,
 107                 AC_DEFINE(HAVE_OPENPTY)
 108                 LIBS="$LIBS -lutil"
 109         ))
 110
 111 AC_CHECK_HEADERS(dlfcn.h,
 112         AC_CHECK_FUNCS(dlopen,
 113                 AC_DEFINE(HAVE_DL_API),
 114                 AC_CHECK_LIB(dl,dlopen,
 115                         AC_DEFINE(HAVE_DL_API)
 116                         LIBS="$LIBS -ldl",
 117                         LIBEXT="a"
 118                 )
 119         ),
 120         LIBEXT="a"
 121 )
 122 AC_SUBST(XLIB)
 123 AC_SUBST(X_DLLS)
 124 X_DLLS=""
 125 AC_SUBST(XFILES)
 126 XFILES=""
 127 AC_SUBST(OPENGLFILES)
 128 OPENGLFILES=""
 129 AC_SUBST(OPENGL32_DLL)
 130 OPENGL32_DLL=""
 131 AC_SUBST(DGA_SRCS)
 132 DGA_SRCS=""
 133 AC_SUBST(DGA2_SRCS)
 134 DGA2_SRCS=""
 135 AC_SUBST(MESA_SRCS)
 136 MESA_SRCS=""
 137 if test "$have_x" = "yes"
 138 then
 139     XLIB="-lXext -lX11"
 140     ac_save_CPPFLAGS="$CPPFLAGS"
 141     CPPFLAGS="$CPPFLAGS $X_CFLAGS"
 142
 143     dnl *** Check for -lXpm
 144     AC_CHECK_HEADERS(X11/xpm.h,
 145       [ dnl *** If X11/xpm.h exists...
 146         AC_CHECK_LIB(Xpm, XpmCreatePixmapFromData,
 147           [ AC_DEFINE(HAVE_LIBXXPM) X_PRE_LIBS="$X_PRE_LIBS -lXpm"],,
 148           $X_LIBS -lXext -lX11 $X_EXTRA_LIBS
 149         )
 150       ],
 151       [ dnl *** If X11/xpm.h does not exist...
 152         dnl NOTE: autoconf does not allow commas inside the third
 153         dnl       parameter to AC_CHECK_HEADERS, due to some quoting
 154         dnl       magic it does.
 155         echo "Redhat            :       xpm xpm-devel"
 156         echo "Caldera OpenLinux :       xpm xpm-devel xpm-devel-static"
 157         echo "SuSE              :       xpm"
 158         echo "Debian/Corel Linux:       xpm4g xpm4g-dev"
 159         echo
 160         echo "Or get the sources from ftp.x.org and all its mirror sites from "
 161         echo "the directory /contrib/libraries."
 162         echo
 163         exit 1
 164       ]
 165     )
 166
 167     dnl *** All three of the following tests require X11/Xlib.h
 168     AC_CHECK_HEADERS(X11/Xlib.h,
 169       [
 170         dnl *** Check for X Shm extension
 171         AC_CHECK_HEADERS(X11/extensions/XShm.h,
 172             [ dnl *** If X11/extensions/XShm.h exists...
 173               AC_CHECK_LIB(Xext, XShmQueryExtension,
 174               AC_DEFINE(HAVE_LIBXXSHM),,
 175               $X_LIBS -lXext -lX11 $X_EXTRA_LIBS)
 176             ],
 177             AC_MSG_WARN([Xshm extension not found!!])
 178         )
 179
 180         dnl *** Check for XFree86 DGA / DGA 2.0 extension
 181         AC_CHECK_HEADERS(X11/extensions/xf86dga.h,
 182             [ dnl *** If X11/extensions/xf86dga.h exists, check
 183               dnl *** for XDGAQueryExtension()...
 184               AC_CHECK_LIB(Xxf86dga, XDGAQueryExtension,
 185                 [ dnl *** If found...
 186                   AC_DEFINE(HAVE_LIBXXF86DGA2)
 187                   AC_DEFINE(HAVE_LIBXXF86DGA)
 188                   X_PRE_LIBS="$X_PRE_LIBS -lXxf86dga"
 189                   DGA_SRCS='$(DGA_SRCS)'
 190                   DGA2_SRCS='$(DGA2_SRCS)'
 191                ],
 192                 [ dnl *** If not found, look for XF86DGAQueryExtension()
 193                   dnl *** instead (DGA 2.0 not found)...
 194                   AC_CHECK_LIB(Xxf86dga, XF86DGAQueryExtension,
 195                     [ AC_DEFINE(HAVE_LIBXXF86DGA)
 196                       X_PRE_LIBS="$X_PRE_LIBS -lXxf86dga"
 197                       DGA_SRCS='$(DGA_SRCS)'
 198                     ],,
 199                     $X_LIBS -lXext -lX11 $X_EXTRA_LIBS
 200                   )
 201                 ],
 202                 $X_LIBS -lXext -lX11 $X_EXTRA_LIBS
 203               )
 204             ],
 205             AC_MSG_WARN([DGA extension not found!!])
 206         )
 207
 208         dnl *** Check for XFree86 VMODE extension
 209         AC_CHECK_HEADERS(X11/extensions/xf86vmode.h,
 210             [ dnl *** If X11/extensions/xf86vmode.h exists...
 211                 AC_CHECK_LIB(Xxf86vm, XF86VidModeQueryExtension,
 212                   [ AC_DEFINE(HAVE_LIBXXF86VM)
 213                      X_PRE_LIBS="$X_PRE_LIBS -lXxf86vm"
 214                   ],,
 215                   $X_LIBS -lXext -lX11 $X_EXTRA_LIBS
 216                 )
 217             ],
 218             AC_MSG_WARN([XFree86 VMODE extension not found!!])
 219         )
 220       ]
 221     ) dnl *** End of X11/Xlib.h check
 222
 223     dnl Check for the presence of OpenGL
 224     if test $OPENGL = "yes" -o $OPENGL = "normal"
 225     then
 226         AC_CHECK_HEADERS(GL/gl.h GL/glx.h GL/glext.h)
 227         if test "$ac_cv_header_GL_gl_h" = "yes" -a "$ac_cv_header_GL_glx_h" = "yes" -a "$ac_cv_header_GL_glext_h" = "yes"
 228         then
 229             dnl Check for some problems due to old Mesa versions
 230             AC_CACHE_CHECK("for up-to-date OpenGL version", wine_cv_opengl_version_OK,
 231               AC_TRY_COMPILE(
 232                 [#include <GL/gl.h>],
 233                 [GLenum test = GL_UNSIGNED_SHORT_5_6_5;],
 234                 [wine_cv_opengl_version_OK="yes"],
 235                 [wine_cv_opengl_version_OK="no"]
 236               )
 237             )
 238
 239             dnl Check for the thread-safety of the OpenGL library
 240             AC_CACHE_CHECK("for thread-safe OpenGL version",
 241                            wine_cv_opengl_version_threadsafe,
 242               [saved_libs=$LIBS
 243                LIBS="$X_LIBS -lGL"
 244                AC_TRY_LINK([],[pthread_getspecific();],
 245                               [wine_cv_opengl_version_threadsafe="yes"],
 246                               [wine_cv_opengl_version_threadsafe="no"])
 247                LIBS=$saved_libs]
 248             )
 249
 250             if test "$wine_cv_opengl_version_OK" = "yes" -a \( "$wine_cv_opengl_version_threadsafe" = "no" -o $OPENGL = "yes" \)
 251             then
 252                 dnl Check for the presense of the library
 253                 AC_CHECK_LIB(GL,glXCreateContext,
 254                              X_PRE_LIBS="$X_PRE_LIBS -lGL"
 255                              MESA_SRCS='$(MESA_SRCS)'
 256                              ,,
 257                              $X_LIBS -lXext -lX11 -lm $X_EXTRA_LIBS)
 258
 259                 if test $ac_cv_lib_GL_glXCreateContext = "yes"
 260                 then
 261                         AC_CHECK_LIB(GL,glXGetProcAddressARB,AC_DEFINE(HAVE_GLX_GETPROCADDRESS),,$X_LIBS -lXext -lX11 -lm $X_EXTRA_LIBS)
 262
 263                         if test $ac_cv_lib_GL_glXGetProcAddressARB = "yes"
 264                         then
 265                                AC_CACHE_CHECK("for OpenGL extension functions prototypes", wine_cv_extension_prototypes,
 266                                   AC_TRY_COMPILE([#include <GL/gl.h>
 267                                                   #include <GL/glext.h>],
 268                                                  [PFNGLCOLORTABLEEXTPROC test_proc;],
 269                                                  [AC_DEFINE(HAVE_GLEXT_PROTOTYPES)
 270                                                   wine_cv_extension_prototypes="yes"],
 271                                                  [wine_cv_extension_prototypes="no"]
 272                                   )
 273                                 )
 274
 275                                 AC_DEFINE(HAVE_OPENGL)
 276                                 OPENGL32_DLL=opengl32
 277                                 OPENGLFILES='$(OPENGLFILES)'
 278                         fi
 279                 fi
 280              fi
 281          fi
 282     fi
 283
 284     CPPFLAGS="$ac_save_CPPFLAGS"
 285     X_DLLS='$(X_DLLS)'
 286     XFILES='$(XFILES)'
 287 else
 288     XLIB=""
 289     X_CFLAGS=""
 290     X_LIBS=""
 291 fi
 292
 293 dnl **** Check which curses lib to use ***
 294 if test "$CURSES" = "yes"
 295 then
 296     AC_CHECK_HEADERS(ncurses.h)
 297     if test "$ac_cv_header_ncurses_h" = "yes"
 298     then
 299         AC_CHECK_LIB(ncurses,waddch)
 300     fi
 301     if test "$ac_cv_lib_ncurses_waddch" = "yes"
 302     then
 303         AC_CHECK_LIB(ncurses,resizeterm,AC_DEFINE(HAVE_RESIZETERM))
 304         AC_CHECK_LIB(ncurses,getbkgd,AC_DEFINE(HAVE_GETBKGD))
 305     else
 306         AC_CHECK_HEADERS(curses.h)
 307         if test "$ac_cv_header_curses_h" = "yes"
 308         then
 309             AC_CHECK_LIB(curses,waddch)
 310             if test "$ac_cv_lib_curses_waddch" = "yes"
 311             then
 312                 AC_CHECK_LIB(curses,resizeterm,AC_DEFINE(HAVE_RESIZETERM))
 313                 AC_CHECK_LIB(curses,getbkgd,AC_DEFINE(HAVE_GETBKGD))
 314             fi
 315         fi
 316     fi
 317 fi
 318
 319 dnl **** Check for IPX (currently Linux only) ****
 320 AC_CACHE_CHECK("for GNU style IPX support", ac_cv_c_ipx_gnu,
 321  AC_TRY_COMPILE(
 322    [#include <sys/socket.h>
 323     #include <netipx/ipx.h>],
 324    [((struct sockaddr_ipx *)0)->sipx_family == AF_IPX],
 325    [ac_cv_c_ipx_gnu="yes"],
 326    [ac_cv_c_ipx_gnu="no"])
 327  )
 328 if test "$ac_cv_c_ipx_gnu" = "yes"
 329 then
 330     AC_DEFINE(HAVE_IPX_GNU)
 331 fi
 332
 333 if test "$ac_cv_c_ipx_gnu" = "no"
 334 then
 335  AC_CACHE_CHECK("for linux style IPX support", ac_cv_c_ipx_linux,
 336   AC_TRY_COMPILE(
 337     [#include <sys/socket.h>
 338      #include <asm/types.h>
 339      #include <linux/ipx.h>],
 340     [((struct sockaddr_ipx *)0)->sipx_family == AF_IPX],
 341     [ac_cv_c_ipx_linux="yes"],
 342     [ac_cv_c_ipx_linux="no"])
 343   )
 344   if test "$ac_cv_c_ipx_linux" = "yes"
 345   then
 346       AC_DEFINE(HAVE_IPX_LINUX)
 347   fi
 348 fi
 349
 350 dnl **** Check for Open Sound System ****
 351 AC_CHECK_HEADERS(sys/soundcard.h machine/soundcard.h soundcard.h, break)
 352
 353 AC_CACHE_CHECK("for Open Sound System",
 354         ac_cv_c_opensoundsystem,
 355         AC_TRY_COMPILE([
 356         #if defined(HAVE_SYS_SOUNDCARD_H)
 357                 #include <sys/soundcard.h>
 358         #elif defined(HAVE_MACHINE_SOUNDCARD_H)
 359                 #include <machine/soundcard.h>
 360         #elif defined(HAVE_SOUNDCARD_H)
 361                 #include <soundcard.h>
 362         #endif
 363         ],[
 364
 365 /* check for one of the Open Sound System specific SNDCTL_ defines */
 366 #if !defined(SNDCTL_DSP_STEREO)
 367 #error No open sound system
 368 #endif
 369 ],ac_cv_c_opensoundsystem="yes",ac_cv_c_opensoundsystem="no"))
 370
 371 if test "$ac_cv_c_opensoundsystem" = "yes"
 372 then
 373     AC_DEFINE(HAVE_OSS)
 374 fi
 375
 376 AC_CACHE_CHECK("for Open Sound System/MIDI interface",
 377         ac_cv_c_opensoundsystem_midi,
 378         AC_TRY_COMPILE([
 379         #if defined(HAVE_SYS_SOUNDCARD_H)
 380                 #include <sys/soundcard.h>
 381         #elif defined(HAVE_MACHINE_SOUNDCARD_H)
 382                 #include <machine/soundcard.h>
 383         #elif defined(HAVE_SOUNDCARD_H)
 384                 #include <soundcard.h>
 385         #endif
 386         ],[
 387
 388 /* check for one of the Open Sound System specific SNDCTL_SEQ defines */
 389 #if !defined(SNDCTL_SEQ_SYNC)
 390 #error No open sound system MIDI interface
 391 #endif
 392 ],ac_cv_c_opensoundsystem_midi="yes",ac_cv_c_opensoundsystem_midi="no"))
 393
 394 if test "$ac_cv_c_opensoundsystem_midi" = "yes"
 395 then
 396     AC_DEFINE(HAVE_OSS_MIDI)
 397 fi
 398
 399 dnl **** If ln -s doesn't work, use cp instead ****
 400 if test "$ac_cv_prog_LN_S" = "ln -s"; then : ; else LN_S=cp ; fi
 401
 402 dnl **** Check for gcc strength-reduce bug ****
 403
 404 if test "x${GCC}" = "xyes"
 405 then
 406   CFLAGS="$CFLAGS -Wall"
 407   AC_CACHE_CHECK( "for gcc strength-reduce bug", ac_cv_c_gcc_strength_bug,
 408                   AC_TRY_RUN([
 409 int main(void) {
 410   static int Array[[3]];
 411   unsigned int B = 3;
 412   int i;
 413   for(i=0; i<B; i++) Array[[i]] = i - 3;
 414   exit( Array[[1]] != -2 );
 415 }],
 416     ac_cv_c_gcc_strength_bug="no",
 417     ac_cv_c_gcc_strength_bug="yes",
 418     ac_cv_c_gcc_strength_bug="yes") )
 419   if test "$ac_cv_c_gcc_strength_bug" = "yes"
 420   then
 421     CFLAGS="$CFLAGS -fno-strength-reduce"
 422   fi
 423 fi
 424
 425 dnl **** Check for underscore on external symbols ****
 426
 427 AC_CACHE_CHECK("whether external symbols need an underscore prefix",
 428                ac_cv_c_extern_prefix,
 429 [saved_libs=$LIBS
 430 LIBS="conftest_asm.s $LIBS"
 431 cat > conftest_asm.s <<EOF
 432         .globl _ac_test
 433 _ac_test:
 434         .long 0
 435 EOF
 436 AC_TRY_LINK([extern int ac_test;],[if (ac_test) return 1],
 437             ac_cv_c_extern_prefix="yes",ac_cv_c_extern_prefix="no")
 438 LIBS=$saved_libs])
 439 if test "$ac_cv_c_extern_prefix" = "yes"
 440 then
 441   AC_DEFINE(NEED_UNDERSCORE_PREFIX)
 442 fi
 443
 444 dnl **** Check for .string in assembler ****
 445
 446 AC_CACHE_CHECK("whether assembler accepts .string",
 447                ac_cv_c_asm_string,
 448 [saved_libs=$LIBS
 449 LIBS="conftest_asm.s $LIBS"
 450 cat > conftest_asm.s <<EOF
 451         .string "test"
 452 EOF
 453 AC_TRY_LINK(,,ac_cv_c_asm_string="yes",ac_cv_c_asm_string="no")
 454 LIBS=$saved_libs])
 455 if test "$ac_cv_c_asm_string" = "yes"
 456 then
 457   AC_DEFINE(HAVE_ASM_STRING)
 458 fi
 459
 460 dnl **** Check for working dll ****
 461
 462 LDSHARED=""
 463 if test "$LIBEXT" = "so"
 464 then
 465   AC_CACHE_CHECK("whether we can build a Linux dll",
 466                  ac_cv_c_dll_linux,
 467   [saved_cflags=$CFLAGS
 468   CFLAGS="$CFLAGS -fPIC -shared -Wl,-soname,conftest.so.1.0"
 469   AC_TRY_LINK(,[return 1],ac_cv_c_dll_linux="yes",ac_cv_c_dll_linux="no")
 470   CFLAGS=$saved_cflags
 471   ])
 472   if test "$ac_cv_c_dll_linux" = "yes"
 473   then
 474     LDSHARED="\$(CC) -shared -Wl,-soname,\$(SONAME),-rpath,\$(libdir)"
 475   else
 476     AC_CACHE_CHECK(whether we can build a UnixWare (Solaris) dll,
 477                  ac_cv_c_dll_unixware,
 478     [saved_cflags=$CFLAGS
 479     CFLAGS="$CFLAGS -fPIC -Wl,-G,-h,conftest.so.1.0"
 480     AC_TRY_LINK(,[return 1],ac_cv_c_dll_unixware="yes",ac_cv_c_dll_unixware="no")
 481     CFLAGS=$saved_cflags
 482     ])
 483     if test "$ac_cv_c_dll_unixware" = "yes"
 484     then
 485       LDSHARED="\$(CC) -Wl,-G,-h,\$(libdir)/\$(SONAME)"
 486     else
 487       AC_CACHE_CHECK("whether we can build a NetBSD dll",
 488                    ac_cv_c_dll_netbsd,
 489       [saved_cflags=$CFLAGS
 490       CFLAGS="$CFLAGS -fPIC -Bshareable -Bforcearchive"
 491       AC_TRY_LINK(,[return 1],ac_cv_c_dll_netbsd="yes",ac_cv_c_dll_netbsd="no")
 492       CFLAGS=$saved_cflags
 493       ])
 494       if test "$ac_cv_c_dll_netbsd" = "yes"
 495       then
 496         LDSHARED="ld -Bshareable -Bforcearchive"
 497       fi
 498     fi
 499   fi
 500   if test "$ac_cv_c_dll_linux" = "no" -a "$ac_cv_c_dll_unixware" = "no" -a "$ac_cv_c_dll_netbsd" = "no"
 501   then
 502     LIBEXT="a"
 503   fi
 504 fi
 505
 506 DLLFLAGS=""
 507
 508 if test "$LIBEXT" = "so"; then
 509     DLLFLAGS="-fPIC"
 510     DLL_LINK="-L\$(DLLDIR) \$(IMPORTS:%=-l%) -L\$(TOPOBJDIR) -lwine -lwine_unicode"
 511 else
 512     DLL_LINK="-L\$(DLLDIR) \$(DLLS:%=-l%) -L\$(TOPOBJDIR) -lwine -lwine_unicode \$(X_LIBS) \$(XLIB)"
 513     AC_CACHE_CHECK([whether the linker supports --[[no]]-whole-archive (Linux)],
 514                    ac_cv_c_whole_archive,
 515             [saved_cflags=$CFLAGS
 516             CFLAGS="$CFLAGS -Wl,--whole-archive -Wl,--no-whole-archive"
 517             AC_TRY_LINK(,[return 1],ac_cv_c_whole_archive="yes",ac_cv_c_whole_archive="no")
 518             CFLAGS=$saved_cflags
 519             ])
 520     if test "$ac_cv_c_whole_archive" = "yes"
 521     then
 522         DLL_LINK="-Wl,--whole-archive $DLL_LINK -Wl,--no-whole-archive"
 523     else
 524         AC_CACHE_CHECK([whether the linker supports -z {all,default}extract (Linux)],
 525                        ac_cv_c_allextract,
 526                 [saved_cflags=$CFLAGS
 527                 CFLAGS="$CFLAGS -Wl,-z,allextract -Wl,-z,defaultextract"
 528                 AC_TRY_LINK(,[return 1],ac_cv_c_allextract="yes",ac_cv_c_allextract="no")
 529                 CFLAGS=$saved_cflags
 530                 ])
 531         if test "$ac_cv_c_allextract" = "yes"
 532         then
 533             DLL_LINK="-Wl,-z,allextract $DLL_LINK -Wl,-z,defaultextract"
 534         fi
 535     fi
 536 fi
 537
 538 AC_SUBST(DLL_LINK)
 539 AC_SUBST(DLLFLAGS)
 540 AC_SUBST(LDSHARED)
 541 AC_SUBST(LIBEXT)
 542
 543 dnl **** Check for reentrant libc ****
 544 dnl
 545 dnl For cross-compiling we blindly assume that libc is reentrant. This is
 546 dnl ok since non-reentrant libc is quite rare (mostly old libc5 versions).
 547
 548 wine_cv_libc_reentrant=no
 549 dnl
 550 dnl Linux style errno location
 551 dnl
 552 AC_CACHE_CHECK("for reentrant libc: __errno_location", wine_cv_libc_r__errno_location,
 553   [AC_TRY_RUN([int myerrno = 0;
 554 char buf[256];
 555 int *__errno_location(){return &myerrno;}
 556 main(){connect(0,buf,255); exit(!myerrno);}],
 557   wine_cv_libc_r__errno_location=yes, wine_cv_libc_r__errno_location=no,
 558   wine_cv_libc_r__errno_location=yes )
 559 ])
 560 if test "$wine_cv_libc_r__errno_location" = "yes"
 561 then
 562     AC_DEFINE(HAVE__ERRNO_LOCATION)
 563     wine_cv_libc_reentrant=__errno_location
 564 fi
 565 dnl
 566 dnl FreeBSD style errno location
 567 dnl
 568 AC_CACHE_CHECK("for reentrant libc: __error", wine_cv_libc_r__error,
 569   [AC_TRY_RUN([int myerrno = 0;
 570 char buf[256];
 571 int *__error(){return &myerrno;}
 572 main(){connect(0,buf,255); exit(!myerrno);}],
 573     wine_cv_libc_r__error=yes, wine_cv_libc_r__error=no,
 574     wine_cv_libc_r__error=yes )
 575 ])
 576 if test "$wine_cv_libc_r__error" = "yes"
 577 then
 578     AC_DEFINE(HAVE__ERROR)
 579     wine_cv_libc_reentrant=__error
 580 fi
 581 dnl
 582 dnl Solaris style errno location
 583 dnl
 584 AC_CACHE_CHECK("for reentrant libc: ___errno", wine_cv_libc_r___errno,
 585   [AC_TRY_RUN([int myerrno = 0;
 586 char buf[256];
 587 int *___errno(){return &myerrno;}
 588 main(){connect(0,buf,255); exit(!myerrno);}],
 589     wine_cv_libc_r___errno=yes, wine_cv_libc_r___errno=no,
 590     wine_cv_libc_r___errno=yes )
 591 ])
 592 if test "$wine_cv_libc_r___errno" = "yes"
 593 then
 594     AC_DEFINE(HAVE___ERRNO)
 595     wine_cv_libc_reentrant=___errno
 596 fi
 597 dnl
 598 dnl UnixWare style errno location
 599 dnl
 600 AC_CACHE_CHECK("for reentrant libc: __thr_errno", wine_cv_libc_r__thr_errno,
 601   [AC_TRY_RUN([int myerrno = 0;
 602 char buf[256];
 603 int *__thr_errno(){return &myerrno;}
 604 main(){connect(0,buf,255); exit(!myerrno);}],
 605     wine_cv_libc_r__thr_errno=yes, wine_cv_libc_r__thr_errno=no,
 606     wine_cv_libc_r__thr_errno=yes )
 607 ])
 608 if test "$wine_cv_libc_r__thr_errno" = "yes"
 609 then
 610     AC_DEFINE(HAVE__THR_ERRNO)
 611     wine_cv_libc_reentrant=__thr_errno
 612 fi
 613 if test "$wine_cv_libc_reentrant" = "no"
 614 then
 615   AC_DEFINE(NO_REENTRANT_LIBC)
 616 fi
 617
 618 dnl **** Check for reentrant X libraries ****
 619 dnl
 620 dnl This may fail to determine whether X libraries are reentrant if
 621 dnl AC_PATH_XTRA does not set x_libraries. In this case manual configuration
 622 dnl is possible with the --without-reentrant-x option.
 623
 624 if test "$have_x" = "yes" -a "$wine_cv_libc_reentrant" != "no"
 625 then
 626 AC_CACHE_CHECK( "for reentrant X libraries", wine_cv_x_reentrant,
 627   [ if test "x$with_reentrant_x" = "xno"
 628     then
 629         wine_cv_x_reentrant=no
 630     else
 631         libX11_check=none
 632         for dir in "$x_libraries" /usr/lib /usr/local/lib /lib; do
 633             if test -r $dir/libX11.so; then
 634                 libX11_check="-D $dir/libX11.so"
 635                 break 1
 636             fi
 637             if test -r $dir/libX11.a; then
 638                 libX11_check="$dir/libX11.a"
 639                 break 1
 640             fi
 641         done
 642         if test "$libX11_check" != "none"; then
 643             if nm $libX11_check | grep $wine_cv_libc_reentrant >/dev/null 2>&1
 644             then
 645                 wine_cv_x_reentrant=yes
 646             else
 647                 wine_cv_x_reentrant=no
 648             fi
 649         else
 650             wine_cv_x_reentrant=unknown
 651         fi
 652     fi ] )
 653 else
 654     wine_cv_x_reentrant=no
 655 fi
 656 if test "$wine_cv_x_reentrant" = "no"
 657 then
 658   AC_DEFINE(NO_REENTRANT_X11)
 659 fi
 660
 661 dnl **** Check for endianness ****
 662
 663 AC_C_BIGENDIAN
 664
 665 dnl **** Check for functions ****
 666
 667 AC_FUNC_ALLOCA()
 668 AC_CHECK_FUNCS(\
 669         __libc_fork \
 670         _lwp_create \
 671         clone \
 672         getnetbyaddr \
 673         getnetbyname \
 674         getpagesize \
 675         getprotobyname \
 676         getprotobynumber \
 677         getservbyport \
 678         getsockopt \
 679         inet_network \
 680         memmove \
 681         rfork \
 682         select \
 683         sendmsg \
 684         settimeofday \
 685         sigaltstack \
 686         statfs \
 687         strcasecmp \
 688         strerror \
 689         strncasecmp \
 690         tcgetattr \
 691         timegm \
 692         usleep \
 693         vfscanf \
 694         wait4 \
 695         waitpid \
 696 )
 697
 698 dnl **** Check for header files ****
 699
 700 AC_CHECK_HEADERS(\
 701         a.out.h \
 702         a_out.h \
 703         arpa/inet.h \
 704         arpa/nameser.h \
 705         elf.h \
 706         float.h \
 707         libio.h \
 708         libutil.h \
 709         link.h \
 710         linux/cdrom.h \
 711         linux/joystick.h \
 712         linux/ucdrom.h \
 713         net/if.h \
 714         netinet/in.h \
 715         netinet/tcp.h \
 716         pty.h \
 717         resolv.h \
 718         sched.h \
 719         socket.h \
 720         strings.h \
 721         sys/cdio.h \
 722         sys/errno.h \
 723         sys/file.h \
 724         sys/filio.h \
 725         sys/ipc.h \
 726         sys/lwp.h \
 727         sys/mman.h \
 728         sys/modem.h \
 729         sys/mount.h \
 730         sys/msg.h \
 731         sys/param.h \
 732         sys/reg.h \
 733         sys/signal.h \
 734         sys/shm.h \
 735         sys/socket.h \
 736         sys/sockio.h \
 737         sys/statfs.h \
 738         sys/strtio.h \
 739         sys/syscall.h \
 740         sys/wait.h \
 741         sys/v86.h \
 742         sys/v86intr.h \
 743         sys/vfs.h \
 744         sys/vm86.h \
 745         syscall.h \
 746         ucontext.h \
 747         wctype.h \
 748 )
 749 AC_HEADER_STAT()
 750
 751 dnl **** Check for types ****
 752
 753 AC_C_CONST()
 754 AC_C_INLINE()
 755 AC_TYPE_SIZE_T()
 756 AC_CHECK_SIZEOF(long long,0)
 757
 758 if test "$ac_cv_header_linux_joystick_h" = "yes"
 759 then
 760    AC_CACHE_CHECK("whether linux/joystick.h uses the Linux 2.2+ API",
 761         wine_cv_linux_joystick_22_api,
 762         AC_TRY_COMPILE([
 763         #include <sys/ioctl.h>
 764         #include <linux/joystick.h>
 765
 766         struct js_event blub;
 767         #if !defined(JS_EVENT_AXIS) || !defined(JS_EVENT_BUTTON)
 768         #error "no 2.2 header"
 769         #endif
 770         ],/*empty*/,
 771         wine_cv_linux_joystick_22_api=yes,
 772         wine_cv_linux_joystick_22_api=no,
 773         wine_cv_linux_joystick_22_api=no
 774         )
 775    )
 776    if test "$wine_cv_linux_joystick_22_api" = "yes"
 777    then
 778       AC_DEFINE(HAVE_LINUX_22_JOYSTICK_API)
 779    fi
 780 fi
 781
 782 dnl **** statfs checks ****
 783
 784 if test "$ac_cv_header_sys_vfs_h" = "yes"
 785 then
 786     AC_CACHE_CHECK( "whether sys/vfs.h defines statfs",
 787                     wine_cv_sys_vfs_has_statfs,
 788         AC_TRY_COMPILE([
 789         #include <sys/types.h>
 790         #ifdef HAVE_SYS_PARAM_H
 791         # include <sys/param.h>
 792         #endif
 793         #include <sys/vfs.h>
 794         ],[
 795                 struct statfs stfs;
 796
 797                 memset(&stfs,0,sizeof(stfs));
 798         ],wine_cv_sys_vfs_has_statfs=yes,wine_cv_sys_vfs_has_statfs=no
 799         )
 800     )
 801     if test "$wine_cv_sys_vfs_has_statfs" = "yes"
 802     then
 803       AC_DEFINE(STATFS_DEFINED_BY_SYS_VFS)
 804     fi
 805 fi
 806
 807 if test "$ac_cv_header_sys_statfs_h" = "yes"
 808 then
 809     AC_CACHE_CHECK( "whether sys/statfs.h defines statfs",
 810                     wine_cv_sys_statfs_has_statfs,
 811         AC_TRY_COMPILE([
 812         #include <sys/types.h>
 813         #ifdef HAVE_SYS_PARAM_H
 814         # include <sys/param.h>
 815         #endif
 816         #include <sys/statfs.h>
 817         ],[
 818                 struct statfs stfs;
 819         ],wine_cv_sys_statfs_has_statfs=yes,wine_cv_sys_statfs_has_statfs=no
 820         )
 821     )
 822     if test "$wine_cv_sys_statfs_has_statfs" = "yes"
 823     then
 824       AC_DEFINE(STATFS_DEFINED_BY_SYS_STATFS)
 825     fi
 826 fi
 827
 828 if test "$ac_cv_header_sys_mount_h" = "yes"
 829 then
 830     AC_CACHE_CHECK( "whether sys/mount.h defines statfs",
 831                     wine_cv_sys_mount_has_statfs,
 832         AC_TRY_COMPILE([
 833         #include <sys/types.h>
 834         #ifdef HAVE_SYS_PARAM_H
 835         # include <sys/param.h>
 836         #endif
 837         #include <sys/mount.h>
 838         ],[
 839                 struct statfs stfs;
 840         ],wine_cv_sys_mount_has_statfs=yes,wine_cv_sys_mount_has_statfs=no
 841         )
 842     )
 843     if test "$wine_cv_sys_mount_has_statfs" = "yes"
 844     then
 845       AC_DEFINE(STATFS_DEFINED_BY_SYS_MOUNT)
 846     fi
 847 fi
 848
 849 dnl **** FIXME: what about mixed cases, where we need two of them? ***
 850
 851 AC_CACHE_CHECK( "for statfs.f_bfree", wine_cv_statfs_bfree,
 852   [ if test "x$statfs_bfree" = "xno"
 853     then
 854         wine_cv_statfs_bfree=no
 855     else
 856         AC_TRY_COMPILE([
 857         #include <sys/types.h>
 858         #ifdef HAVE_SYS_PARAM_H
 859         # include <sys/param.h>
 860         #endif
 861         #ifdef STATFS_DEFINED_BY_SYS_MOUNT
 862         # include <sys/mount.h>
 863         #else
 864         # ifdef STATFS_DEFINED_BY_SYS_VFS
 865         #  include <sys/vfs.h>
 866         # else
 867         #  ifdef STATFS_DEFINED_BY_SYS_STATFS
 868         #   include <sys/statfs.h>
 869         #  endif
 870         # endif
 871         #endif
 872         ],[
 873                 struct statfs stfs;
 874
 875                 stfs.f_bfree++;
 876         ],wine_cv_statfs_bfree=yes,wine_cv_statfs_bfree=no
 877         )
 878     fi ] )
 879 if test "$wine_cv_statfs_bfree" = "yes"
 880 then
 881   AC_DEFINE(STATFS_HAS_BFREE)
 882 fi
 883
 884 AC_CACHE_CHECK( "for statfs.f_bavail", wine_cv_statfs_bavail,
 885   [ if test "x$statfs_bavail" = "xno"
 886     then
 887         wine_cv_statfs_bavail=no
 888     else
 889         AC_TRY_COMPILE([
 890         #include <sys/types.h>
 891         #ifdef HAVE_SYS_PARAM_H
 892         # include <sys/param.h>
 893         #endif
 894         #ifdef STATFS_DEFINED_BY_SYS_MOUNT
 895         # include <sys/mount.h>
 896         #else
 897         # ifdef STATFS_DEFINED_BY_SYS_VFS
 898         #  include <sys/vfs.h>
 899         # else
 900         #  ifdef STATFS_DEFINED_BY_SYS_STATFS
 901         #   include <sys/statfs.h>
 902         #  endif
 903         # endif
 904         #endif
 905         ],[
 906                 struct statfs stfs;
 907
 908                 stfs.f_bavail++;
 909         ],wine_cv_statfs_bavail=yes,wine_cv_statfs_bavail=no
 910         )
 911     fi ] )
 912 if test "$wine_cv_statfs_bavail" = "yes"
 913 then
 914   AC_DEFINE(STATFS_HAS_BAVAIL)
 915 fi
 916
 917 dnl *** check for file descriptor passing with msg_accrights
 918
 919 AC_CACHE_CHECK("for msg_accrights in struct msghdr", ac_cv_c_msg_accrights,
 920  AC_TRY_COMPILE([#include <sys/types.h>
 921 #include <sys/socket.h>],[struct msghdr hdr; hdr.msg_accrights=0],
 922                 ac_cv_c_msg_accrights="yes", ac_cv_c_msg_accrights="no"))
 923 if test "$ac_cv_c_msg_accrights" = "yes"
 924 then
 925     AC_DEFINE(HAVE_MSGHDR_ACCRIGHTS)
 926 fi
 927
 928 dnl *** Check for the sun_len member in struct sockaddr_un
 929
 930 AC_CACHE_CHECK("for sun_len in struct sockaddr_un", ac_cv_c_sun_len,
 931  AC_TRY_COMPILE([#include <sys/types.h>
 932 #include <sys/socket.h>
 933 #include <sys/un.h>], [static struct sockaddr_un addr; addr.sun_len = 1],
 934                 ac_cv_c_sun_len="yes", ac_cv_c_sun_len="no"))
 935 if test "$ac_cv_c_sun_len" = "yes"
 936 then
 937     AC_DEFINE(HAVE_SOCKADDR_SUN_LEN)
 938 fi
 939
 940 dnl *** check for the need to define __i386__
 941
 942 AC_CACHE_CHECK("whether we need to define __i386__",ac_cv_cpp_def_i386,
 943  AC_EGREP_CPP(yes,[#if (defined(i386) || defined(__i386)) && !defined(__i386__)
 944 yes
 945 #endif],
 946  ac_cv_cpp_def_i386="yes", ac_cv_cpp_def_i386="no"))
 947 if test "$ac_cv_cpp_def_i386" = "yes"
 948 then
 949     CFLAGS="$CFLAGS -D__i386__"
 950     LINTFLAGS="$LINTFLAGS -D__i386__"
 951 fi
 952
 953 dnl $GCC is set by autoconf
 954 GCC_NO_BUILTIN=""
 955 if test "$GCC" = "yes"
 956 then
 957     GCC_NO_BUILTIN="-fno-builtin"
 958 fi
 959 AC_SUBST(GCC_NO_BUILTIN)
 960
 961 dnl **** Generate output files ****
 962
 963 AC_OUTPUT_COMMANDS([
 964 extra_subdirs="\
 965 dlls/ddraw/d3ddevice \
 966 dlls/ddraw/dclipper \
 967 dlls/ddraw/ddraw \
 968 dlls/ddraw/direct3d \
 969 dlls/ddraw/dpalette \
 970 dlls/ddraw/dsurface \
 971 "
 972 for i in $extra_subdirs; do [ -d $i ] || (echo "creating $i" && mkdir $i); done ])
 973
 974 MAKE_RULES=Make.rules
 975 AC_SUBST_FILE(MAKE_RULES)
 976
 977 MAKE_DLL_RULES=dlls/Makedll.rules
 978 AC_SUBST_FILE(MAKE_DLL_RULES)
 979
 980 AC_OUTPUT([
 981 Make.rules
 982 Makefile
 983 console/Makefile
 984 controls/Makefile
 985 debugger/Makefile
 986 dlls/Makedll.rules
 987 dlls/Makefile
 988 dlls/advapi32/Makefile
 989 dlls/avifil32/Makefile
 990 dlls/comctl32/Makefile
 991 dlls/commdlg/Makefile
 992 dlls/crtdll/Makefile
 993 dlls/dciman32/Makefile
 994 dlls/ddraw/Makefile
 995 dlls/dinput/Makefile
 996 dlls/dplay/Makefile
 997 dlls/dplayx/Makefile
 998 dlls/dsound/Makefile
 999 dlls/gdi/Makefile
1000 dlls/icmp/Makefile
1001 dlls/imagehlp/Makefile
1002 dlls/imm32/Makefile
1003 dlls/kernel/Makefile
1004 dlls/lzexpand/Makefile
1005 dlls/mpr/Makefile
1006 dlls/msacm/Makefile
1007 dlls/msnet32/Makefile
1008 dlls/msvideo/Makefile
1009 dlls/ntdll/Makefile
1010 dlls/odbc32/Makefile
1011 dlls/ole32/Makefile
1012 dlls/oleaut32/Makefile
1013 dlls/olecli/Makefile
1014 dlls/oledlg/Makefile
1015 dlls/olepro32/Makefile
1016 dlls/olesvr/Makefile
1017 dlls/opengl32/Makefile
1018 dlls/psapi/Makefile
1019 dlls/rasapi32/Makefile
1020 dlls/richedit/Makefile
1021 dlls/rpcrt4/Makefile
1022 dlls/serialui/Makefile
1023 dlls/setupapi/Makefile
1024 dlls/shell32/Makefile
1025 dlls/shfolder/Makefile
1026 dlls/shlwapi/Makefile
1027 dlls/tapi32/Makefile
1028 dlls/ttydrv/Makefile
1029 dlls/ttydrv/Makefile
1030 dlls/urlmon/Makefile
1031 dlls/user/Makefile
1032 dlls/version/Makefile
1033 dlls/win32s/Makefile
1034 dlls/winaspi/Makefile
1035 dlls/wineps/Makefile
1036 dlls/wininet/Makefile
1037 dlls/winmm/Makefile
1038 dlls/winmm/joystick/Makefile
1039 dlls/winmm/mcianim/Makefile
1040 dlls/winmm/mciavi/Makefile
1041 dlls/winmm/mcicda/Makefile
1042 dlls/winmm/mciseq/Makefile
1043 dlls/winmm/mciwave/Makefile
1044 dlls/winmm/midimap/Makefile
1045 dlls/winmm/wavemap/Makefile
1046 dlls/winmm/wineoss/Makefile
1047 dlls/winsock/Makefile
1048 dlls/winspool/Makefile
1049 dlls/wow32/Makefile
1050 dlls/wsock32/Makefile
1051 dlls/x11drv/Makefile
1052 documentation/Makefile
1053 documentation/wine.conf.man
1054 documentation/wine.man
1055 files/Makefile
1056 graphics/Makefile
1057 graphics/enhmetafiledrv/Makefile
1058 graphics/metafiledrv/Makefile
1059 graphics/ttydrv/Makefile
1060 graphics/win16drv/Makefile
1061 graphics/x11drv/Makefile
1062 if1632/Makefile
1063 include/Makefile
1064 library/Makefile
1065 libtest/Makefile
1066 loader/Makefile
1067 loader/ne/Makefile
1068 loader/dos/Makefile
1069 memory/Makefile
1070 misc/Makefile
1071 miscemu/Makefile
1072 msdos/Makefile
1073 objects/Makefile
1074 ole/Makefile
1075 programs/Makefile
1076 programs/clock/Makefile
1077 programs/cmdlgtst/Makefile
1078 programs/control/Makefile
1079 programs/avitools/Makefile
1080 programs/osversioncheck/Makefile
1081 programs/notepad/Makefile
1082 programs/progman/Makefile
1083 programs/regtest/Makefile
1084 programs/regapi/Makefile
1085 programs/view/Makefile
1086 programs/wcmd/Makefile
1087 programs/winemine/Makefile
1088 programs/winhelp/Makefile
1089 programs/winver/Makefile
1090 relay32/Makefile
1091 resources/Makefile
1092 scheduler/Makefile
1093 server/Makefile
1094 tools/Makefile
1095 tools/cvdump/Makefile
1096 tools/winebuild/Makefile
1097 tools/wrc/Makefile
1098 tools/wmc/Makefile
1099 tsx11/Makefile
1100 unicode/Makefile
1101 win32/Makefile
1102 windows/Makefile
1103 windows/ttydrv/Makefile
1104 windows/x11drv/Makefile ])
1105
1106 if test "$have_x" = "no"
1107 then
1108   echo
1109   echo "*** Warning: X development files not found. Wine will be built without"
1110   echo "*** X support, which currently does not work, and would probably not be"
1111   echo "*** what you want anyway. You will need to install devel packages of"
1112   echo "*** Xlib/Xfree86 and Xpm at the very least."
1113 elif test "$ac_cv_lib_Xpm_XpmCreatePixmapFromData" = "no"
1114 then
1115   echo
1116   echo "*** Warning: Xpm development files not found. Wine will be built without"
1117   echo "*** Xpm support, which currently does not work. You will need to install"
1118   echo "*** devel packages of Xpm."
1119 fi
1120
1121 if test "$ac_cv_lib_ncurses_resizeterm" = "no" -a "$ac_cv_lib_ncurses_waddch" = "yes"
1122 then
1123   echo
1124   echo "*** Warning: resizeterm not found in ncurses. Wine will be built without"
1125   echo "*** terminal resize support. Consider upgrading ncurses."
1126 fi
1127
1128 if test "$wine_cv_libc_reentrant" = "no"
1129 then
1130   echo
1131   echo "*** Warning: non-reentrant libc detected. Wine will be build without"
1132   echo "*** thread support. Consider upgrading libc to a more recent"
1133   echo "*** reentrant version of libc."
1134 fi
1135
1136 if test "$wine_cv_opengl_version_OK" = "no"
1137 then
1138   echo
1139   echo "*** Warning: old Mesa headers detected. Wine will be built without Direct3D"
1140   echo "*** support. Consider upgrading your Mesa libraries (http://www.mesa3d.org/)."
1141 fi
1142
1143 if test "$wine_cv_opengl_version_threadsafe" = "yes" -a $OPENGL = "normal"
1144 then
1145   echo
1146   echo "*** Warning: the OpenGL version you have installed relies on libpthread for"
1147   echo "*** thread-safety. To prevent crashes, OpenGL support has been removed."
1148   echo "*** A fix for glibc 2.1.3 that seem to work is included in this version of Wine,"
1149   echo "*** start configure with '--enable-opengl' to force OpenGL support."
1150 fi
1151
1152 if test "$wine_cv_opengl_version_threadsafe" = "yes" -a $OPENGL = "yes"
1153 then
1154   echo
1155   echo "*** Warning: you explicitely linked in a thread-safe OpenGL version. If you"
1156   echo "*** experience unusual crashes on DirectDraw games, try first to disable OpenGL"
1157   echo "*** support before reporting bugs."
1158 fi
1159
1160
1161 echo
1162 echo "Configure finished.  Do 'make depend && make' to compile Wine."
1163 echo
1164
1165 dnl Local Variables:
1166 dnl comment-start: "dnl "
1167 dnl comment-end: ""
1168 dnl comment-start-skip: "\\bdnl\\b\\s *"
1169 dnl compile-command: "autoconf"
1170 dnl End: