- configure tests for finite()/fpclass(), fixes BSD compile
[wine] / 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(debug,
19 [  --disable-debug         compile out all debugging messages],
20 [if test "$enableval" = "no"; then DEBUG_MSGS="no"; fi])
21
22 AC_ARG_ENABLE(opengl,
23 [  --enable-opengl         force usage of OpenGL even if the latter is thread-safe],
24 [if test "$enableval" = "no"; then OPENGL="no"; elif test "$enableval" = "yes"; then OPENGL="yes"; fi])
25
26 AC_ARG_ENABLE(trace,
27 [  --disable-trace         compile out TRACE messages],
28 [if test "$enableval" = "no"; then TRACE_MSGS="no"; fi])
29
30 AC_ARG_WITH(curses,
31 [  --without-curses        do not use curses],
32 [if test "$withval" = "no"; then CURSES="no"; fi])
33
34 AC_ARG_WITH(reentrant-x,
35 [  --without-reentrant-x   compile for use with non-reentrant X libraries])
36
37 AC_SUBST(OPTIONS)
38
39 if test "$DEBUG_MSGS" = "no"
40 then
41     AC_DEFINE(NO_DEBUG_MSGS)
42     AC_DEFINE(NO_TRACE_MSGS)
43 else
44     if test "$TRACE_MSGS" = "no"
45     then
46         AC_DEFINE(NO_TRACE_MSGS)
47     fi
48 fi
49
50 dnl **** Check for some programs ****
51
52 AC_PROG_MAKE_SET
53 AC_PROG_CC
54 AC_PROG_CPP
55 AC_PATH_XTRA
56 AC_PROG_YACC
57 AC_PROG_LEX
58 AC_CHECK_PROGS(XLEX,$LEX flex lex,none)
59 if test "$XLEX" = "none"
60 then
61         echo "*** Error: No suitable lex found. ***"
62         echo "    Please install the 'flex' package."
63         exit 1
64 fi
65 AC_DECL_YYTEXT
66 AC_PROG_RANLIB
67 AC_PROG_INSTALL
68 AC_PROG_LN_S
69 AC_CHECK_PROG(C2MAN,c2man,c2man,\$(TOPSRCDIR)/tools/c2man.pl)
70 AC_PATH_PROG(LDCONFIG, ldconfig, true, /sbin:/usr/sbin:$PATH)
71
72 dnl Check for lint
73 AC_CHECK_PROGS(LINT, lclint lint)
74 if test "$LINT" = "lint"
75 then
76   LINTFLAGS="$LINTFLAGS -errchk=%all,no%longptr64 -errhdr=%user -Ncheck=macro -Nlevel=4"
77   dnl LINTFLAGS='-D_SIZE_T "-Dsize_t=unsigned long" -errchk=longptr64'
78 fi
79 AC_SUBST(LINT)
80 AC_SUBST(LINTFLAGS)
81
82 dnl **** Check for some libraries ****
83
84 dnl Check for -lm for BeOS
85 AC_CHECK_LIB(m,sqrt)
86 dnl Check for -li386 for NetBSD and OpenBSD
87 AC_CHECK_LIB(i386,i386_set_ldt)
88 dnl Check for -lossaudio for NetBSD
89 AC_CHECK_LIB(ossaudio,_oss_ioctl)
90 dnl Check for -lw for Solaris
91 AC_CHECK_LIB(w,iswalnum)
92 dnl Check for -lnsl for Solaris
93 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))
94 dnl Check for -lsocket for Solaris
95 AC_CHECK_FUNCS(connect,,AC_CHECK_LIB(socket,connect))
96 dnl Check for -lxpg4 for FreeBSD
97 AC_CHECK_LIB(xpg4,setrunelocale)
98 dnl Check for -lmmap for OS/2
99 AC_CHECK_LIB(mmap,mmap)
100 dnl Check for openpty
101 AC_CHECK_FUNCS(openpty,,
102         AC_CHECK_LIB(util,openpty,
103                 AC_DEFINE(HAVE_OPENPTY)
104                 LIBS="$LIBS -lutil"
105         ))
106
107 AC_CHECK_HEADERS(dlfcn.h,
108         AC_CHECK_FUNCS(dlopen,
109                 AC_DEFINE(HAVE_DL_API),
110                 AC_CHECK_LIB(dl,dlopen,
111                         AC_DEFINE(HAVE_DL_API)
112                         LIBS="$LIBS -ldl",
113                         LIBEXT="a"
114                 )
115         ),
116         LIBEXT="a"
117 )
118 AC_SUBST(XLIB)
119 AC_SUBST(X_DLLS)
120 X_DLLS=""
121 AC_SUBST(XFILES)
122 XFILES=""
123 AC_SUBST(OPENGLFILES)
124 OPENGLFILES=""
125 AC_SUBST(OPENGL32_DLL)
126 OPENGL32_DLL=""
127 AC_SUBST(DGA_SRCS)
128 DGA_SRCS=""
129 AC_SUBST(DGA2_SRCS)
130 DGA2_SRCS=""
131 AC_SUBST(MESA_SRCS)
132 MESA_SRCS=""
133 if test "$have_x" = "yes"
134 then
135     XLIB="-lXext -lX11"
136     ac_save_CPPFLAGS="$CPPFLAGS"
137     CPPFLAGS="$CPPFLAGS $X_CFLAGS"
138
139     dnl *** Check for -lXpm
140     AC_CHECK_HEADERS(X11/xpm.h,
141       [ dnl *** If X11/xpm.h exists...
142         AC_CHECK_LIB(Xpm, XpmCreatePixmapFromData,
143           [ AC_DEFINE(HAVE_LIBXXPM) X_PRE_LIBS="$X_PRE_LIBS -lXpm"],,
144           $X_LIBS -lXext -lX11 $X_EXTRA_LIBS
145         )
146       ],
147       [ dnl *** If X11/xpm.h does not exist...
148         dnl NOTE: autoconf does not allow commas inside the third 
149         dnl       parameter to AC_CHECK_HEADERS, due to some quoting
150         dnl       magic it does.
151         echo "Redhat            :       xpm xpm-devel"
152         echo "Caldera OpenLinux :       xpm xpm-devel xpm-devel-static"
153         echo "SuSE              :       xpm"
154         echo "Debian/Corel Linux:       xpm4g xpm4g-dev"
155         echo
156         echo "Or get the sources from ftp.x.org and all its mirror sites from "
157         echo "the directory /contrib/libraries."
158         echo
159         exit 1
160       ]
161     )
162
163     dnl *** All three of the following tests require X11/Xlib.h
164     AC_CHECK_HEADERS(X11/Xlib.h,
165       [
166         dnl *** Check for X Shm extension
167         AC_CHECK_HEADERS(X11/extensions/XShm.h,
168             [ dnl *** If X11/extensions/XShm.h exists...
169               AC_CHECK_LIB(Xext, XShmQueryExtension,
170               AC_DEFINE(HAVE_LIBXXSHM),,
171               $X_LIBS -lXext -lX11 $X_EXTRA_LIBS)
172             ],
173             AC_MSG_WARN([Xshm extension not found!!])
174         )
175
176         dnl *** Check for X shape extension
177         AC_CHECK_HEADERS(X11/Xlib.h X11/extensions/shape.h,
178             [ dnl *** If X11/extensions/shape.h exists...
179               AC_CHECK_LIB(Xext,XShapeQueryExtension,
180               AC_DEFINE(HAVE_LIBXSHAPE),,
181               $X_LIBS -lXext -lX11 $X_EXTRA_LIBS)
182             ],
183             AC_MSG_WARN([XShape extension found!!])
184         )
185         
186         dnl *** Check for XFree86 DGA / DGA 2.0 extension
187         AC_CHECK_HEADERS(X11/extensions/xf86dga.h,
188             [ dnl *** If X11/extensions/xf86dga.h exists, check 
189               dnl *** for XDGAQueryExtension()...
190               AC_CHECK_LIB(Xxf86dga, XDGAQueryExtension,
191                 [ dnl *** If found...
192                   AC_DEFINE(HAVE_LIBXXF86DGA2)
193                   AC_DEFINE(HAVE_LIBXXF86DGA)
194                   X_PRE_LIBS="$X_PRE_LIBS -lXxf86dga"
195                   DGA_SRCS='$(DGA_SRCS)'
196                   DGA2_SRCS='$(DGA2_SRCS)'
197                ],
198                 [ dnl *** If not found, look for XF86DGAQueryExtension()
199                   dnl *** instead (DGA 2.0 not found)...
200                   AC_CHECK_LIB(Xxf86dga, XF86DGAQueryExtension,
201                     [ AC_DEFINE(HAVE_LIBXXF86DGA)
202                       X_PRE_LIBS="$X_PRE_LIBS -lXxf86dga"
203                       DGA_SRCS='$(DGA_SRCS)'
204                     ],,
205                     $X_LIBS -lXext -lX11 $X_EXTRA_LIBS
206                   )
207                 ],
208                 $X_LIBS -lXext -lX11 $X_EXTRA_LIBS
209               )
210             ],
211             AC_MSG_WARN([DGA extension not found!!])
212         )
213
214         dnl *** Check for XFree86 VMODE extension
215         AC_CHECK_HEADERS(X11/extensions/xf86vmode.h,
216             [ dnl *** If X11/extensions/xf86vmode.h exists...
217                 AC_CHECK_LIB(Xxf86vm, XF86VidModeQueryExtension,
218                   [ AC_DEFINE(HAVE_LIBXXF86VM)
219                      X_PRE_LIBS="$X_PRE_LIBS -lXxf86vm"
220                   ],,
221                   $X_LIBS -lXext -lX11 $X_EXTRA_LIBS
222                 )
223             ],
224             AC_MSG_WARN([XFree86 VMODE extension not found!!])
225         )
226
227         dnl *** Check for XVideo extension supporting XvImages
228         AC_CHECK_HEADERS(X11/extensions/Xvlib.h,
229             [ dnl *** If X11/extensions/Xvlib.h exists...
230                 AC_CHECK_LIB(Xv, XvShmCreateImage,
231                   [ AC_DEFINE(HAVE_XVIDEO)
232                      X_PRE_LIBS="$X_PRE_LIBS -lXv"
233                   ],,
234                   $X_LIBS -lXext -lX11 $X_EXTRA_LIBS
235                 )
236             ],
237             AC_MSG_WARN([XVideo extension not found !!])
238         )
239
240       ]
241     ) dnl *** End of X11/Xlib.h check
242
243     dnl Check for the presence of OpenGL
244     if test $OPENGL = "yes" -o $OPENGL = "normal"
245     then
246         AC_CHECK_HEADERS(GL/gl.h GL/glx.h GL/glext.h)
247         if test "$ac_cv_header_GL_gl_h" = "yes" -a "$ac_cv_header_GL_glx_h" = "yes"
248         then
249             dnl Check for some problems due to old Mesa versions
250             AC_CACHE_CHECK("for up-to-date OpenGL version", wine_cv_opengl_version_OK,
251               AC_TRY_COMPILE(
252                 [#include <GL/gl.h>],
253                 [GLenum test = GL_UNSIGNED_SHORT_5_6_5;],
254                 [wine_cv_opengl_version_OK="yes"],
255                 [wine_cv_opengl_version_OK="no"]
256               )
257             )
258
259             dnl Check for the thread-safety of the OpenGL library
260             AC_CACHE_CHECK("for thread-safe OpenGL version", 
261                            wine_cv_opengl_version_threadsafe,
262               [saved_libs=$LIBS
263                LIBS="$X_LIBS -lGL"
264                AC_TRY_LINK([],[pthread_getspecific();],
265                               [wine_cv_opengl_version_threadsafe="yes"],
266                               [wine_cv_opengl_version_threadsafe="no"])
267                LIBS=$saved_libs]
268             )
269
270             if test "$wine_cv_opengl_version_OK" = "yes" -a \( "$wine_cv_opengl_version_threadsafe" = "no" -o $OPENGL = "yes" \)
271             then
272                 dnl Check for the presence of the library
273                 AC_CHECK_LIB(GL,glXCreateContext,
274                              X_PRE_LIBS="$X_PRE_LIBS -lGL"
275                              MESA_SRCS='$(MESA_SRCS)'
276                              ,,
277                              $X_LIBS -lXext -lX11 -lm $X_EXTRA_LIBS)
278
279                 if test $ac_cv_lib_GL_glXCreateContext = "yes"
280                 then
281
282                         OPENGLFILES='$(OPENGLFILES)'
283                         AC_DEFINE(HAVE_OPENGL)
284
285                         AC_CHECK_LIB(GL,glXGetProcAddressARB,AC_DEFINE(HAVE_GLX_GETPROCADDRESS),,$X_LIBS -lXext -lX11 -lm $X_EXTRA_LIBS)
286
287                         if test $ac_cv_lib_GL_glXGetProcAddressARB = "yes"
288                         then
289                                AC_CACHE_CHECK("for OpenGL extension functions prototypes", wine_cv_extension_prototypes,
290                                   AC_TRY_COMPILE([#include <GL/gl.h>
291                                                   #ifdef HAVE_GL_GLEXT_H
292                                                   # include <GL/glext.h>
293                                                   #endif
294                                                   ],
295                                                  [PFNGLCOLORTABLEEXTPROC test_proc;],
296                                                  [wine_cv_extension_prototypes="yes"],
297                                                  [wine_cv_extension_prototypes="no"]
298                                   )
299                                 )
300                                 if test $wine_cv_extension_prototypes = "yes"
301                                 then
302                                         AC_DEFINE(HAVE_GLEXT_PROTOTYPES)
303                                 fi
304
305                                 OPENGL32_DLL=opengl32
306                         fi
307                 fi
308              fi
309          fi
310     fi
311
312     CPPFLAGS="$ac_save_CPPFLAGS"
313     X_DLLS='$(X_DLLS)'
314     XFILES='$(XFILES)'
315 else
316     XLIB=""
317     X_CFLAGS=""
318     X_LIBS=""
319 fi
320
321 dnl **** Check which curses lib to use ***
322 if test "$CURSES" = "yes"
323 then
324     AC_CHECK_HEADERS(ncurses.h)
325     if test "$ac_cv_header_ncurses_h" = "yes"
326     then 
327         AC_CHECK_LIB(ncurses,waddch)
328     fi
329     if test "$ac_cv_lib_ncurses_waddch" = "yes"
330     then
331         AC_CHECK_LIB(ncurses,resizeterm,AC_DEFINE(HAVE_RESIZETERM))
332         AC_CHECK_LIB(ncurses,getbkgd,AC_DEFINE(HAVE_GETBKGD))
333     else
334         AC_CHECK_HEADERS(curses.h)
335         if test "$ac_cv_header_curses_h" = "yes"
336         then    
337             AC_CHECK_LIB(curses,waddch)
338             if test "$ac_cv_lib_curses_waddch" = "yes"
339             then
340                 AC_CHECK_LIB(curses,resizeterm,AC_DEFINE(HAVE_RESIZETERM))
341                 AC_CHECK_LIB(curses,getbkgd,AC_DEFINE(HAVE_GETBKGD))
342             fi
343         fi
344     fi
345 fi
346
347 dnl **** Check for IPX (currently Linux only) ****
348 AC_CACHE_CHECK("for GNU style IPX support", ac_cv_c_ipx_gnu,
349  AC_TRY_COMPILE(
350    [#include <sys/socket.h>
351     #include <netipx/ipx.h>],
352    [((struct sockaddr_ipx *)0)->sipx_family == AF_IPX],
353    [ac_cv_c_ipx_gnu="yes"],
354    [ac_cv_c_ipx_gnu="no"])
355  )
356 if test "$ac_cv_c_ipx_gnu" = "yes"
357 then
358     AC_DEFINE(HAVE_IPX_GNU)
359 fi
360
361 if test "$ac_cv_c_ipx_gnu" = "no"
362 then
363  AC_CACHE_CHECK("for linux style IPX support", ac_cv_c_ipx_linux,
364   AC_TRY_COMPILE(
365     [#include <sys/socket.h>
366      #include <asm/types.h>
367      #include <linux/ipx.h>],
368     [((struct sockaddr_ipx *)0)->sipx_family == AF_IPX],
369     [ac_cv_c_ipx_linux="yes"],
370     [ac_cv_c_ipx_linux="no"])
371   )
372   if test "$ac_cv_c_ipx_linux" = "yes"
373   then
374       AC_DEFINE(HAVE_IPX_LINUX)
375   fi
376 fi
377
378 dnl **** Check for Open Sound System ****
379 AC_CHECK_HEADERS(sys/soundcard.h machine/soundcard.h soundcard.h, break)
380
381 AC_CACHE_CHECK("for Open Sound System",
382         ac_cv_c_opensoundsystem,
383         AC_TRY_COMPILE([
384         #if defined(HAVE_SYS_SOUNDCARD_H)
385                 #include <sys/soundcard.h>
386         #elif defined(HAVE_MACHINE_SOUNDCARD_H)
387                 #include <machine/soundcard.h>
388         #elif defined(HAVE_SOUNDCARD_H)
389                 #include <soundcard.h>
390         #endif
391         ],[
392
393 /* check for one of the Open Sound System specific SNDCTL_ defines */
394 #if !defined(SNDCTL_DSP_STEREO)
395 #error No open sound system
396 #endif
397 ],ac_cv_c_opensoundsystem="yes",ac_cv_c_opensoundsystem="no"))
398
399 if test "$ac_cv_c_opensoundsystem" = "yes"
400 then
401     AC_DEFINE(HAVE_OSS)
402 fi
403
404 AC_CACHE_CHECK("for Open Sound System/MIDI interface",
405         ac_cv_c_opensoundsystem_midi,
406         AC_TRY_COMPILE([
407         #if defined(HAVE_SYS_SOUNDCARD_H)
408                 #include <sys/soundcard.h>
409         #elif defined(HAVE_MACHINE_SOUNDCARD_H)
410                 #include <machine/soundcard.h>
411         #elif defined(HAVE_SOUNDCARD_H)
412                 #include <soundcard.h>
413         #endif
414         ],[
415
416 /* check for one of the Open Sound System specific SNDCTL_SEQ defines */
417 #if !defined(SNDCTL_SEQ_SYNC)
418 #error No open sound system MIDI interface
419 #endif
420 ],ac_cv_c_opensoundsystem_midi="yes",ac_cv_c_opensoundsystem_midi="no"))
421
422 if test "$ac_cv_c_opensoundsystem_midi" = "yes"
423 then
424     AC_DEFINE(HAVE_OSS_MIDI)
425 fi
426
427 dnl **** If ln -s doesn't work, use cp instead ****
428 if test "$ac_cv_prog_LN_S" = "ln -s"; then : ; else LN_S=cp ; fi
429
430 dnl **** Check for gcc strength-reduce bug ****
431
432 if test "x${GCC}" = "xyes"
433 then
434   CFLAGS="$CFLAGS -Wall"
435   AC_CACHE_CHECK( "for gcc strength-reduce bug", ac_cv_c_gcc_strength_bug,
436                   AC_TRY_RUN([
437 int     L[[4]] = {0,1,2,3};
438 int main(void) {
439   static int Array[[3]];
440   unsigned int B = 3;
441   int i;
442   for(i=0; i<B; i++) Array[[i]] = i - 3;
443   for(i=0; i<4 - 1; i++) L[[i]] = L[[i + 1]];
444   L[[i]] = 4;
445   
446   exit( Array[[1]] != -2 || L[[2]] != 3);
447 }],
448     ac_cv_c_gcc_strength_bug="no",
449     ac_cv_c_gcc_strength_bug="yes",
450     ac_cv_c_gcc_strength_bug="yes") )
451   if test "$ac_cv_c_gcc_strength_bug" = "yes"
452   then
453     CFLAGS="$CFLAGS -fno-strength-reduce"
454   fi
455 fi
456
457 dnl **** Check for underscore on external symbols ****
458
459 AC_CACHE_CHECK("whether external symbols need an underscore prefix",
460                ac_cv_c_extern_prefix,
461 [saved_libs=$LIBS
462 LIBS="conftest_asm.s $LIBS"
463 cat > conftest_asm.s <<EOF
464         .globl _ac_test
465 _ac_test:
466         .long 0
467 EOF
468 AC_TRY_LINK([extern int ac_test;],[if (ac_test) return 1],
469             ac_cv_c_extern_prefix="yes",ac_cv_c_extern_prefix="no")
470 LIBS=$saved_libs])
471 if test "$ac_cv_c_extern_prefix" = "yes"
472 then
473   AC_DEFINE(NEED_UNDERSCORE_PREFIX)
474 fi
475
476 dnl **** Check for .string in assembler ****
477
478 AC_CACHE_CHECK("whether assembler accepts .string",
479                ac_cv_c_asm_string,
480 [saved_libs=$LIBS
481 LIBS="conftest_asm.s $LIBS"
482 cat > conftest_asm.s <<EOF
483         .string "test"
484 EOF
485 AC_TRY_LINK(,,ac_cv_c_asm_string="yes",ac_cv_c_asm_string="no")
486 LIBS=$saved_libs])
487 if test "$ac_cv_c_asm_string" = "yes"
488 then
489   AC_DEFINE(HAVE_ASM_STRING)
490 fi
491
492 dnl **** Check for working dll ****
493
494 LDSHARED=""
495 LDDLLFLAGS=""
496 if test "$LIBEXT" = "so"
497 then
498   AC_CACHE_CHECK("whether we can build a Linux dll",
499                  ac_cv_c_dll_linux,
500   [saved_cflags=$CFLAGS
501   CFLAGS="$CFLAGS -fPIC -shared -Wl,-soname,conftest.so.1.0,-Bsymbolic"
502   AC_TRY_LINK(,[return 1],ac_cv_c_dll_linux="yes",ac_cv_c_dll_linux="no")
503   CFLAGS=$saved_cflags
504   ])
505   if test "$ac_cv_c_dll_linux" = "yes"
506   then
507     LDSHARED="\$(CC) -shared \$(SONAME:%=-Wl,-soname,%) -Wl,-rpath,\$(libdir)"
508     LDDLLFLAGS="-Wl,-Bsymbolic"
509   else
510     AC_CACHE_CHECK(whether we can build a UnixWare (Solaris) dll,
511                  ac_cv_c_dll_unixware,
512     [saved_cflags=$CFLAGS
513     CFLAGS="$CFLAGS -fPIC -Wl,-G,-h,conftest.so.1.0,-B,symbolic"
514     AC_TRY_LINK(,[return 1],ac_cv_c_dll_unixware="yes",ac_cv_c_dll_unixware="no")
515     CFLAGS=$saved_cflags
516     ])
517     if test "$ac_cv_c_dll_unixware" = "yes"
518     then
519       LDSHARED="\$(CC) -Wl,-G \$(SONAME:%=-Wl,h,\$(libdir)/%)"
520       LDDLLFLAGS="-Wl,-B,symbolic"
521     else
522       AC_CACHE_CHECK("whether we can build a NetBSD dll",
523                    ac_cv_c_dll_netbsd,
524       [saved_cflags=$CFLAGS
525       CFLAGS="$CFLAGS -fPIC -Wl,-Bshareable,-Bforcearchive"
526       AC_TRY_LINK(,[return 1],ac_cv_c_dll_netbsd="yes",ac_cv_c_dll_netbsd="no")
527       CFLAGS=$saved_cflags
528       ])
529       if test "$ac_cv_c_dll_netbsd" = "yes"
530       then
531         LDSHARED="\$(CC) -Wl,-Bshareable,-Bforcearchive"
532         LDDLLFLAGS="" #FIXME
533       fi
534     fi
535   fi
536   if test "$ac_cv_c_dll_linux" = "no" -a "$ac_cv_c_dll_unixware" = "no" -a "$ac_cv_c_dll_netbsd" = "no"
537   then
538     echo "*** It is currently not possible to build WINE without shared"
539     echo "*** library (.so) support to allow transparent switch between .so"
540     echo "*** and .dll files."
541     echo "*** If you are using Linux, you will need a newer binutils."
542     exit 1
543   fi
544 fi
545
546 DLLFLAGS=""
547
548 if test "$LIBEXT" = "so"; then
549     DLLFLAGS="-fPIC"
550     DLL_LINK="-L\$(DLLDIR) \$(IMPORTS:%=-l%) -L\$(TOPOBJDIR) -lwine -lwine_unicode"
551 else
552     DLL_LINK="-L\$(DLLDIR) \$(DLLS:%=-l%) -L\$(TOPOBJDIR) -lwine -lwine_unicode \$(X_LIBS) \$(XLIB)"
553     AC_CACHE_CHECK([whether the linker supports --[[no]]-whole-archive (Linux)],
554                    ac_cv_c_whole_archive,
555             [saved_cflags=$CFLAGS
556             CFLAGS="$CFLAGS -Wl,--whole-archive -Wl,--no-whole-archive"
557             AC_TRY_LINK(,[return 1],ac_cv_c_whole_archive="yes",ac_cv_c_whole_archive="no")
558             CFLAGS=$saved_cflags
559             ])
560     if test "$ac_cv_c_whole_archive" = "yes"
561     then
562         DLL_LINK="-Wl,--whole-archive $DLL_LINK -Wl,--no-whole-archive"
563     else
564         AC_CACHE_CHECK([whether the linker supports -z {all,default}extract (Linux)],
565                        ac_cv_c_allextract,
566                 [saved_cflags=$CFLAGS
567                 CFLAGS="$CFLAGS -Wl,-z,allextract -Wl,-z,defaultextract"
568                 AC_TRY_LINK(,[return 1],ac_cv_c_allextract="yes",ac_cv_c_allextract="no")
569                 CFLAGS=$saved_cflags
570                 ])
571         if test "$ac_cv_c_allextract" = "yes"
572         then
573             DLL_LINK="-Wl,-z,allextract $DLL_LINK -Wl,-z,defaultextract"
574         fi
575     fi
576 fi
577
578 AC_SUBST(DLL_LINK)
579 AC_SUBST(DLLFLAGS)
580 AC_SUBST(LDSHARED)
581 AC_SUBST(LDDLLFLAGS)
582 AC_SUBST(LIBEXT)
583
584 dnl **** Check for reentrant libc ****
585 dnl
586 dnl For cross-compiling we blindly assume that libc is reentrant. This is
587 dnl ok since non-reentrant libc is quite rare (mostly old libc5 versions).
588
589 wine_cv_libc_reentrant=no 
590 dnl 
591 dnl Linux style errno location
592 dnl 
593 AC_CACHE_CHECK("for reentrant libc: __errno_location", wine_cv_libc_r__errno_location,
594   [AC_TRY_RUN([int myerrno = 0;
595 char buf[256];
596 int *__errno_location(){return &myerrno;}
597 main(){connect(0,buf,255); exit(!myerrno);}],
598   wine_cv_libc_r__errno_location=yes, wine_cv_libc_r__errno_location=no,
599   wine_cv_libc_r__errno_location=yes )
600 ])
601 if test "$wine_cv_libc_r__errno_location" = "yes"
602 then
603     AC_DEFINE(HAVE__ERRNO_LOCATION)
604     wine_cv_libc_reentrant=__errno_location 
605 fi
606 dnl
607 dnl FreeBSD style errno location
608 dnl 
609 AC_CACHE_CHECK("for reentrant libc: __error", wine_cv_libc_r__error,
610   [AC_TRY_RUN([int myerrno = 0;
611 char buf[256];
612 int *__error(){return &myerrno;}
613 main(){connect(0,buf,255); exit(!myerrno);}],
614     wine_cv_libc_r__error=yes, wine_cv_libc_r__error=no,
615     wine_cv_libc_r__error=yes )
616 ])
617 if test "$wine_cv_libc_r__error" = "yes"
618 then
619     AC_DEFINE(HAVE__ERROR)
620     wine_cv_libc_reentrant=__error 
621 fi
622 dnl
623 dnl Solaris style errno location
624 dnl 
625 AC_CACHE_CHECK("for reentrant libc: ___errno", wine_cv_libc_r___errno,
626   [AC_TRY_RUN([int myerrno = 0;
627 char buf[256];
628 int *___errno(){return &myerrno;}
629 main(){connect(0,buf,255); exit(!myerrno);}],
630     wine_cv_libc_r___errno=yes, wine_cv_libc_r___errno=no,
631     wine_cv_libc_r___errno=yes )
632 ])
633 if test "$wine_cv_libc_r___errno" = "yes"
634 then
635     AC_DEFINE(HAVE___ERRNO)
636     wine_cv_libc_reentrant=___errno 
637 fi
638 dnl
639 dnl UnixWare style errno location
640 dnl 
641 AC_CACHE_CHECK("for reentrant libc: __thr_errno", wine_cv_libc_r__thr_errno,
642   [AC_TRY_RUN([int myerrno = 0;
643 char buf[256];
644 int *__thr_errno(){return &myerrno;}
645 main(){connect(0,buf,255); exit(!myerrno);}],
646     wine_cv_libc_r__thr_errno=yes, wine_cv_libc_r__thr_errno=no,
647     wine_cv_libc_r__thr_errno=yes )
648 ])
649 if test "$wine_cv_libc_r__thr_errno" = "yes"
650 then
651     AC_DEFINE(HAVE__THR_ERRNO)
652     wine_cv_libc_reentrant=__thr_errno 
653 fi
654 if test "$wine_cv_libc_reentrant" = "no" 
655 then
656   AC_DEFINE(NO_REENTRANT_LIBC)
657 fi
658
659 dnl **** Check for reentrant X libraries ****
660 dnl
661 dnl This may fail to determine whether X libraries are reentrant if
662 dnl AC_PATH_XTRA does not set x_libraries. In this case manual configuration
663 dnl is possible with the --without-reentrant-x option.
664
665 if test "$have_x" = "yes" -a "$wine_cv_libc_reentrant" != "no"
666 then
667 AC_CACHE_CHECK( "for reentrant X libraries", wine_cv_x_reentrant,
668   [ if test "x$with_reentrant_x" = "xno" 
669     then
670         wine_cv_x_reentrant=no
671     else
672         libX11_check=none
673         for dir in "$x_libraries" /usr/lib /usr/local/lib /lib; do
674             if test -r $dir/libX11.so; then
675                 libX11_check="-D $dir/libX11.so"
676                 break 1
677             fi
678             if test -r $dir/libX11.a; then
679                 libX11_check="$dir/libX11.a"
680                 break 1
681             fi
682         done
683         if test "$libX11_check" != "none"; then
684             if nm $libX11_check | grep $wine_cv_libc_reentrant >/dev/null 2>&1
685             then
686                 wine_cv_x_reentrant=yes
687             else
688                 wine_cv_x_reentrant=no
689             fi
690         else
691             wine_cv_x_reentrant=unknown
692         fi
693     fi ] )
694 else
695     wine_cv_x_reentrant=no
696 fi
697 if test "$wine_cv_x_reentrant" = "no"
698 then
699   AC_DEFINE(NO_REENTRANT_X11)
700 fi
701
702 dnl **** Check for endianness ****
703
704 AC_C_BIGENDIAN
705
706 dnl **** Check for functions ****
707
708 AC_FUNC_ALLOCA()
709 AC_CHECK_FUNCS(\
710         __libc_fork \
711         _lwp_create \
712         clone \
713         finite \
714         fpclass \
715         getnetbyaddr \
716         getnetbyname \
717         getpagesize \
718         getprotobyname \
719         getprotobynumber \
720         getservbyport \
721         getsockopt \
722         inet_network \
723         memmove \
724         mmap \
725         rfork \
726         select \
727         sendmsg \
728         settimeofday \
729         sigaltstack \
730         statfs \
731         strcasecmp \
732         strerror \
733         strncasecmp \
734         tcgetattr \
735         timegm \
736         usleep \
737         vfscanf \
738         wait4 \
739         waitpid \
740 )
741
742 dnl **** Check for header files ****
743
744 AC_CHECK_HEADERS(\
745         a.out.h \
746         a_out.h \
747         arpa/inet.h \
748         arpa/nameser.h \
749         elf.h \
750         float.h \
751         libio.h \
752         libutil.h \
753         link.h \
754         linux/cdrom.h \
755         linux/joystick.h \
756         linux/ucdrom.h \
757         net/if.h \
758         netdb.h \
759         netinet/in.h \
760         netinet/tcp.h \
761         pty.h \
762         resolv.h \
763         sched.h \
764         socket.h \
765         strings.h \
766         sys/cdio.h \
767         sys/errno.h \
768         sys/file.h \
769         sys/filio.h \
770         sys/ipc.h \
771         sys/lwp.h \
772         sys/mman.h \
773         sys/modem.h \
774         sys/mount.h \
775         sys/msg.h \
776         sys/param.h \
777         sys/reg.h \
778         sys/signal.h \
779         sys/shm.h \
780         sys/socket.h \
781         sys/sockio.h \
782         sys/statfs.h \
783         sys/strtio.h \
784         sys/syscall.h \
785         sys/wait.h \
786         sys/v86.h \
787         sys/v86intr.h \
788         sys/vfs.h \
789         sys/vm86.h \
790         syscall.h \
791         ucontext.h
792 )
793 AC_HEADER_STAT()
794
795 dnl **** Check for types ****
796
797 AC_C_CONST()
798 AC_C_INLINE()
799 AC_TYPE_SIZE_T()
800 AC_CHECK_SIZEOF(long long,0)
801
802    
803 AC_CACHE_CHECK("whether we can use re-entrant gethostbyname_r Linux style",
804         wine_cv_linux_gethostbyname_r_6,
805         AC_TRY_COMPILE([
806 #include <netdb.h>
807         ], [
808     char *name=NULL;
809     struct hostent he;
810     struct hostent *result;
811     char *buf=NULL;
812     int bufsize=0;
813     int res,errnr;
814     char *addr=NULL;
815     int addrlen=0;
816     int addrtype=0;
817     res=gethostbyname_r(name,&he,buf,bufsize,&result,&errnr);
818     res=gethostbyaddr_r(addr, addrlen, addrtype,&he,buf,bufsize,&result,&errnr);
819     ],
820         wine_cv_linux_gethostbyname_r_6=yes,
821         wine_cv_linux_gethostbyname_r_6=no
822         )
823    )
824    if test "$wine_cv_linux_gethostbyname_r_6" = "yes"
825    then
826       AC_DEFINE(HAVE_LINUX_GETHOSTBYNAME_R_6)
827    fi
828
829 if test "$ac_cv_header_linux_joystick_h" = "yes"
830 then
831    AC_CACHE_CHECK("whether linux/joystick.h uses the Linux 2.2+ API",
832         wine_cv_linux_joystick_22_api,
833         AC_TRY_COMPILE([
834         #include <sys/ioctl.h>
835         #include <linux/joystick.h>
836
837         struct js_event blub;
838         #if !defined(JS_EVENT_AXIS) || !defined(JS_EVENT_BUTTON)
839         #error "no 2.2 header"
840         #endif
841         ],/*empty*/,
842         wine_cv_linux_joystick_22_api=yes,
843         wine_cv_linux_joystick_22_api=no,
844         wine_cv_linux_joystick_22_api=no
845         )
846    )
847    if test "$wine_cv_linux_joystick_22_api" = "yes"
848    then
849       AC_DEFINE(HAVE_LINUX_22_JOYSTICK_API)
850    fi
851 fi
852
853 dnl **** statfs checks ****
854
855 if test "$ac_cv_header_sys_vfs_h" = "yes"
856 then
857     AC_CACHE_CHECK( "whether sys/vfs.h defines statfs",
858                     wine_cv_sys_vfs_has_statfs,
859         AC_TRY_COMPILE([
860         #include <sys/types.h>
861         #ifdef HAVE_SYS_PARAM_H
862         # include <sys/param.h>
863         #endif
864         #include <sys/vfs.h>
865         ],[
866                 struct statfs stfs;
867
868                 memset(&stfs,0,sizeof(stfs));
869         ],wine_cv_sys_vfs_has_statfs=yes,wine_cv_sys_vfs_has_statfs=no
870         )
871     )
872     if test "$wine_cv_sys_vfs_has_statfs" = "yes"
873     then
874       AC_DEFINE(STATFS_DEFINED_BY_SYS_VFS)
875     fi
876 fi
877
878 if test "$ac_cv_header_sys_statfs_h" = "yes"
879 then
880     AC_CACHE_CHECK( "whether sys/statfs.h defines statfs",
881                     wine_cv_sys_statfs_has_statfs,
882         AC_TRY_COMPILE([
883         #include <sys/types.h>
884         #ifdef HAVE_SYS_PARAM_H
885         # include <sys/param.h>
886         #endif
887         #include <sys/statfs.h>
888         ],[
889                 struct statfs stfs;
890         ],wine_cv_sys_statfs_has_statfs=yes,wine_cv_sys_statfs_has_statfs=no
891         )
892     )
893     if test "$wine_cv_sys_statfs_has_statfs" = "yes"
894     then
895       AC_DEFINE(STATFS_DEFINED_BY_SYS_STATFS)
896     fi
897 fi
898
899 if test "$ac_cv_header_sys_mount_h" = "yes"
900 then
901     AC_CACHE_CHECK( "whether sys/mount.h defines statfs",
902                     wine_cv_sys_mount_has_statfs,
903         AC_TRY_COMPILE([
904         #include <sys/types.h>
905         #ifdef HAVE_SYS_PARAM_H
906         # include <sys/param.h>
907         #endif
908         #include <sys/mount.h>
909         ],[
910                 struct statfs stfs;
911         ],wine_cv_sys_mount_has_statfs=yes,wine_cv_sys_mount_has_statfs=no
912         )
913     )
914     if test "$wine_cv_sys_mount_has_statfs" = "yes"
915     then
916       AC_DEFINE(STATFS_DEFINED_BY_SYS_MOUNT)
917     fi
918 fi
919
920 dnl **** FIXME: what about mixed cases, where we need two of them? ***
921
922 AC_CACHE_CHECK( "for statfs.f_bfree", wine_cv_statfs_bfree,
923   [ if test "x$statfs_bfree" = "xno"
924     then
925         wine_cv_statfs_bfree=no
926     else
927         AC_TRY_COMPILE([
928         #include <sys/types.h>
929         #ifdef HAVE_SYS_PARAM_H
930         # include <sys/param.h>
931         #endif
932         #ifdef STATFS_DEFINED_BY_SYS_MOUNT
933         # include <sys/mount.h>
934         #else
935         # ifdef STATFS_DEFINED_BY_SYS_VFS
936         #  include <sys/vfs.h>
937         # else
938         #  ifdef STATFS_DEFINED_BY_SYS_STATFS
939         #   include <sys/statfs.h>
940         #  endif
941         # endif
942         #endif
943         ],[
944                 struct statfs stfs;
945
946                 stfs.f_bfree++;
947         ],wine_cv_statfs_bfree=yes,wine_cv_statfs_bfree=no
948         )
949     fi ] )
950 if test "$wine_cv_statfs_bfree" = "yes"
951 then
952   AC_DEFINE(STATFS_HAS_BFREE)
953 fi
954
955 AC_CACHE_CHECK( "for statfs.f_bavail", wine_cv_statfs_bavail,
956   [ if test "x$statfs_bavail" = "xno"
957     then
958         wine_cv_statfs_bavail=no
959     else
960         AC_TRY_COMPILE([
961         #include <sys/types.h>
962         #ifdef HAVE_SYS_PARAM_H
963         # include <sys/param.h>
964         #endif
965         #ifdef STATFS_DEFINED_BY_SYS_MOUNT
966         # include <sys/mount.h>
967         #else
968         # ifdef STATFS_DEFINED_BY_SYS_VFS
969         #  include <sys/vfs.h>
970         # else
971         #  ifdef STATFS_DEFINED_BY_SYS_STATFS
972         #   include <sys/statfs.h>
973         #  endif
974         # endif
975         #endif
976         ],[
977                 struct statfs stfs;
978
979                 stfs.f_bavail++;
980         ],wine_cv_statfs_bavail=yes,wine_cv_statfs_bavail=no
981         )
982     fi ] )
983 if test "$wine_cv_statfs_bavail" = "yes"
984 then
985   AC_DEFINE(STATFS_HAS_BAVAIL)
986 fi
987
988 dnl *** check for file descriptor passing with msg_accrights
989
990 AC_CACHE_CHECK("for msg_accrights in struct msghdr", ac_cv_c_msg_accrights,
991  AC_TRY_COMPILE([#include <sys/types.h>
992 #include <sys/socket.h>],[struct msghdr hdr; hdr.msg_accrights=0],
993                 ac_cv_c_msg_accrights="yes", ac_cv_c_msg_accrights="no"))
994 if test "$ac_cv_c_msg_accrights" = "yes"
995 then
996     AC_DEFINE(HAVE_MSGHDR_ACCRIGHTS)
997 fi
998
999 dnl *** Check for the sun_len member in struct sockaddr_un
1000
1001 AC_CACHE_CHECK("for sun_len in struct sockaddr_un", ac_cv_c_sun_len,
1002  AC_TRY_COMPILE([#include <sys/types.h>
1003 #include <sys/socket.h>
1004 #include <sys/un.h>], [static struct sockaddr_un addr; addr.sun_len = 1],
1005                 ac_cv_c_sun_len="yes", ac_cv_c_sun_len="no"))
1006 if test "$ac_cv_c_sun_len" = "yes"
1007 then
1008     AC_DEFINE(HAVE_SOCKADDR_SUN_LEN)
1009 fi
1010
1011 dnl *** check for the need to define __i386__
1012
1013 AC_CACHE_CHECK("whether we need to define __i386__",ac_cv_cpp_def_i386,
1014  AC_EGREP_CPP(yes,[#if (defined(i386) || defined(__i386)) && !defined(__i386__)
1015 yes
1016 #endif],
1017  ac_cv_cpp_def_i386="yes", ac_cv_cpp_def_i386="no"))
1018 if test "$ac_cv_cpp_def_i386" = "yes"
1019 then
1020     CFLAGS="$CFLAGS -D__i386__"
1021     LINTFLAGS="$LINTFLAGS -D__i386__"
1022 fi
1023
1024 dnl $GCC is set by autoconf
1025 GCC_NO_BUILTIN=""
1026 if test "$GCC" = "yes"
1027 then
1028     GCC_NO_BUILTIN="-fno-builtin"
1029 fi
1030 AC_SUBST(GCC_NO_BUILTIN)
1031
1032 dnl **** Generate output files ****
1033
1034 AC_OUTPUT_COMMANDS([
1035 extra_subdirs="\
1036 dlls/ddraw/d3ddevice \
1037 dlls/ddraw/dclipper \
1038 dlls/ddraw/ddraw \
1039 dlls/ddraw/direct3d \
1040 dlls/ddraw/dpalette \
1041 dlls/ddraw/dsurface \
1042 dlls/dinput/joystick \
1043 dlls/dinput/keyboard \
1044 dlls/dinput/mouse \
1045 dlls/kernel/messages \
1046 dlls/user/resources \
1047 "
1048 for i in $extra_subdirs; do [ -d $i ] || (echo "creating $i" && mkdir $i); done ])
1049
1050 MAKE_RULES=Make.rules
1051 AC_SUBST_FILE(MAKE_RULES)
1052
1053 MAKE_DLL_RULES=dlls/Makedll.rules
1054 AC_SUBST_FILE(MAKE_DLL_RULES)
1055
1056 MAKE_PROG_RULES=programs/Makeprog.rules
1057 AC_SUBST_FILE(MAKE_PROG_RULES)
1058
1059 AC_OUTPUT([
1060 Make.rules
1061 dlls/Makedll.rules
1062 programs/Makeprog.rules
1063 Makefile
1064 console/Makefile
1065 controls/Makefile
1066 debugger/Makefile
1067 dlls/Makefile
1068 dlls/advapi32/Makefile
1069 dlls/avifil32/Makefile
1070 dlls/comctl32/Makefile
1071 dlls/commdlg/Makefile
1072 dlls/crtdll/Makefile
1073 dlls/dciman32/Makefile
1074 dlls/ddraw/Makefile
1075 dlls/dinput/Makefile
1076 dlls/dplay/Makefile
1077 dlls/dplayx/Makefile
1078 dlls/dsound/Makefile
1079 dlls/gdi/Makefile
1080 dlls/icmp/Makefile
1081 dlls/imagehlp/Makefile
1082 dlls/imm32/Makefile
1083 dlls/kernel/Makefile
1084 dlls/lzexpand/Makefile
1085 dlls/mpr/Makefile
1086 dlls/msacm/Makefile
1087 dlls/msnet32/Makefile
1088 dlls/msvideo/Makefile
1089 dlls/ntdll/Makefile
1090 dlls/odbc32/Makefile
1091 dlls/ole32/Makefile
1092 dlls/oleaut32/Makefile
1093 dlls/olecli/Makefile
1094 dlls/oledlg/Makefile
1095 dlls/olepro32/Makefile
1096 dlls/olesvr/Makefile
1097 dlls/opengl32/Makefile
1098 dlls/psapi/Makefile
1099 dlls/rasapi32/Makefile
1100 dlls/richedit/Makefile
1101 dlls/rpcrt4/Makefile
1102 dlls/serialui/Makefile
1103 dlls/setupapi/Makefile
1104 dlls/shell32/Makefile
1105 dlls/shfolder/Makefile
1106 dlls/shlwapi/Makefile
1107 dlls/tapi32/Makefile
1108 dlls/ttydrv/Makefile
1109 dlls/urlmon/Makefile
1110 dlls/user/Makefile
1111 dlls/version/Makefile
1112 dlls/win32s/Makefile
1113 dlls/winaspi/Makefile
1114 dlls/wineps/Makefile
1115 dlls/wininet/Makefile
1116 dlls/winmm/Makefile
1117 dlls/winmm/joystick/Makefile
1118 dlls/winmm/mcianim/Makefile
1119 dlls/winmm/mciavi/Makefile
1120 dlls/winmm/mcicda/Makefile
1121 dlls/winmm/mciseq/Makefile
1122 dlls/winmm/mciwave/Makefile
1123 dlls/winmm/midimap/Makefile
1124 dlls/winmm/wavemap/Makefile
1125 dlls/winmm/wineoss/Makefile
1126 dlls/winsock/Makefile
1127 dlls/winspool/Makefile
1128 dlls/wow32/Makefile
1129 dlls/wsock32/Makefile
1130 dlls/x11drv/Makefile
1131 documentation/Makefile
1132 documentation/wine.conf.man
1133 documentation/wine.man
1134 files/Makefile
1135 graphics/Makefile
1136 graphics/enhmetafiledrv/Makefile
1137 graphics/metafiledrv/Makefile
1138 graphics/win16drv/Makefile
1139 graphics/x11drv/Makefile
1140 if1632/Makefile
1141 include/Makefile
1142 library/Makefile
1143 libtest/Makefile
1144 loader/Makefile
1145 loader/dos/Makefile
1146 loader/ne/Makefile
1147 memory/Makefile
1148 misc/Makefile
1149 miscemu/Makefile
1150 msdos/Makefile
1151 objects/Makefile
1152 ole/Makefile
1153 programs/Makefile
1154 programs/avitools/Makefile
1155 programs/clock/Makefile
1156 programs/cmdlgtst/Makefile
1157 programs/control/Makefile
1158 programs/notepad/Makefile
1159 programs/osversioncheck/Makefile
1160 programs/progman/Makefile
1161 programs/regapi/Makefile
1162 programs/regtest/Makefile
1163 programs/uninstaller/Makefile
1164 programs/view/Makefile
1165 programs/wcmd/Makefile
1166 programs/winemine/Makefile
1167 programs/winhelp/Makefile
1168 programs/winver/Makefile
1169 relay32/Makefile
1170 scheduler/Makefile
1171 server/Makefile
1172 tools/Makefile
1173 tools/cvdump/Makefile
1174 tools/winebuild/Makefile
1175 tools/winelauncher
1176 tools/wmc/Makefile
1177 tools/wrc/Makefile
1178 tsx11/Makefile
1179 unicode/Makefile
1180 win32/Makefile
1181 windows/Makefile
1182 windows/x11drv/Makefile ])
1183
1184 if test "$have_x" = "no"
1185 then
1186   echo
1187   echo "*** Warning: X development files not found. Wine will be built without"
1188   echo "*** X support, which currently does not work, and would probably not be"
1189   echo "*** what you want anyway. You will need to install devel packages of"
1190   echo "*** Xlib/Xfree86 and Xpm at the very least."
1191 elif test "$ac_cv_lib_Xpm_XpmCreatePixmapFromData" = "no"
1192 then
1193   echo
1194   echo "*** Warning: Xpm development files not found. Wine will be built without"
1195   echo "*** Xpm support, which currently does not work. You will need to install"
1196   echo "*** devel packages of Xpm."
1197 fi
1198
1199 if test "$ac_cv_lib_ncurses_resizeterm" = "no" -a "$ac_cv_lib_ncurses_waddch" = "yes"
1200 then
1201   echo
1202   echo "*** Warning: resizeterm not found in ncurses. Wine will be built without"
1203   echo "*** terminal resize support. Consider upgrading ncurses."
1204 fi
1205
1206 if test "$wine_cv_libc_reentrant" = "no" 
1207 then
1208   echo
1209   echo "*** Warning: non-reentrant libc detected. Wine will be build without"
1210   echo "*** thread support. Consider upgrading libc to a more recent"
1211   echo "*** reentrant version of libc."
1212 fi
1213
1214 if test "$wine_cv_opengl_version_OK" = "no"
1215 then
1216   echo
1217   echo "*** Warning: old Mesa headers detected. Wine will be built without Direct3D"
1218   echo "*** support. Consider upgrading your Mesa libraries (http://www.mesa3d.org/)."
1219 fi
1220
1221 if test "$wine_cv_opengl_version_threadsafe" = "yes" -a $OPENGL = "normal"
1222 then
1223   echo
1224   echo "*** Warning: the OpenGL version you have installed relies on libpthread for"
1225   echo "*** thread-safety. To prevent crashes, OpenGL support has been removed."
1226   echo "*** A fix for glibc 2.1.3 that seem to work is included in this version of Wine,"
1227   echo "*** start configure with '--enable-opengl' to force OpenGL support."
1228 fi
1229
1230 if test "$wine_cv_opengl_version_threadsafe" = "yes" -a $OPENGL = "yes"
1231 then
1232   echo
1233   echo "*** Warning: you explicitely linked in a thread-safe OpenGL version. If you"
1234   echo "*** experience unusual crashes on DirectDraw games, try first to disable OpenGL"
1235   echo "*** support before reporting bugs."
1236 fi
1237
1238
1239 echo
1240 echo "Configure finished.  Do 'make depend && make' to compile Wine."
1241 echo
1242
1243 dnl Local Variables:
1244 dnl comment-start: "dnl "
1245 dnl comment-end: ""
1246 dnl comment-start-skip: "\\bdnl\\b\\s *"
1247 dnl compile-command: "autoconf"
1248 dnl End: