Better detection of old (i.e. non OpenGL 1.2 compliant) version of Mesa.
[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 # We want these before the checks, so the checks can modify their values.
10 LIBS="$LIBS -lm"
11 test -z "$PROGEXT" && PROGEXT="" AC_SUBST(PROGEXT)
12
13 dnl **** Command-line arguments ****
14
15 dnl Default values
16 MAIN_TARGET=emu
17 LIB_TARGET=libwine.a
18 ALT_LINK="-L\$(TOPOBJDIR) -lwine"
19 TRACE_MSGS=yes  # the TRACE() macro
20 DEBUG_MSGS=yes  # the TRACE(), WARN(), and FIXME() macros.
21
22 AC_ARG_ENABLE(emulator,
23 [  --disable-emulator      build only the Wine library, not the emulator],
24 [if test "$enableval" = "no"; then MAIN_TARGET="lib"; fi])
25
26 AC_ARG_ENABLE(dll,
27 [  --enable-dll            build the Wine library as a DLL],
28 [if test "$enableval" = "no"; then : ; else LIB_TARGET="libwine.so.1.0"; fi])
29
30 AC_ARG_ENABLE(lib,
31 [  --disable-lib           build the Wine without building libwine.a],
32 [if test "$enableval" = "no"; then ALT_LINK="\$(LIBOBJS) \$(X11OBJS)"; LIB_TARGET=""; fi])
33
34 dnl AC_ARG_WITH(ipc,
35 dnl [  --enable-ipc            use inter-process communication for DDE],
36 dnl [if test "$enableval" = "no"; then : ; else OPTIONS="-DCONFIG_IPC"; fi])
37
38 AC_ARG_ENABLE(debug,
39 [  --disable-debug         compile out all debugging messages],
40 [if test "$enableval" = "no"; then DEBUG_MSGS="no"; fi])
41
42 AC_ARG_ENABLE(trace,
43 [  --disable-trace         compile out TRACE messages],
44 [if test "$enableval" = "no"; then TRACE_MSGS="no"; fi])
45
46 AC_ARG_WITH(reentrant-x,
47 [  --without-reentrant-x   compile for use with non-reentrant X libraries])
48
49 AC_SUBST(MAIN_TARGET)
50 AC_SUBST(LIB_TARGET)
51 AC_SUBST(ALT_LINK)
52 AC_SUBST(OPTIONS)
53
54 if test "$DEBUG_MSGS" = "no"
55 then
56     AC_DEFINE(NO_DEBUG_MSGS)
57     AC_DEFINE(NO_TRACE_MSGS)
58 else
59     if test "$TRACE_MSGS" = "no"
60     then
61         AC_DEFINE(NO_TRACE_MSGS)
62     fi
63 fi
64
65 dnl **** Check for some programs ****
66
67 AC_PROG_MAKE_SET
68 AC_PROG_CC
69 AC_PROG_CPP
70 AC_PATH_XTRA
71 AC_PROG_YACC
72 AC_PROG_LEX
73 AC_PROG_RANLIB
74 AC_PROG_INSTALL
75 AC_PROG_LN_S
76 AC_CHECK_PROG(C2MAN,c2man,c2man,true)
77
78 dnl **** Check for some libraries ****
79
80 dnl Check for -li386 for NetBSD and OpenBSD
81 AC_CHECK_LIB(i386,i386_set_ldt)
82 dnl Check for -lossaudio for NetBSD
83 AC_CHECK_LIB(ossaudio,_oss_ioctl)
84 dnl Check for -lw for Solaris
85 AC_CHECK_LIB(w,iswalnum)
86 dnl Check for -lnsl for Solaris
87 AC_CHECK_FUNCS(gethostbyname)
88 if test "$ac_cv_func_gethostbyname" = "no"
89 then
90     AC_CHECK_LIB(nsl,gethostbyname)
91 fi
92 dnl Check for -lxpg4 for FreeBSD
93 AC_CHECK_LIB(xpg4,setrunelocale)
94 dnl Check for -ldl
95 AC_CHECK_LIB(dl,dlopen)
96 AC_SUBST(XLIB)
97 if test "$have_x" = "yes"
98 then
99     XLIB="-lXext -lX11"
100     ac_save_CPPFLAGS="$CPPFLAGS"
101     CPPFLAGS="$CPPFLAGS $X_CFLAGS"
102
103     dnl Check for -lXpm
104     AC_CHECK_HEADERS(X11/xpm.h)
105     if test "$ac_cv_header_X11_xpm_h" = "yes"
106     then 
107         AC_CHECK_LIB(Xpm,XpmCreatePixmapFromData,AC_DEFINE(HAVE_LIBXXPM) X_PRE_LIBS="$X_PRE_LIBS -lXpm",,$X_LIBS -lXext -lX11)
108     fi
109
110     dnl Check for X Shm extension
111     AC_CHECK_HEADERS(X11/Xlib.h X11/extensions/XShm.h)
112     if test "$ac_cv_header_X11_Xlib_h" = "yes" -a "$ac_cv_header_X11_extensions_XShm_h" = "yes"
113     then 
114         AC_CHECK_LIB(Xext,XShmQueryExtension,AC_DEFINE(HAVE_LIBXXSHM),,$X_LIBS -lXext -lX11)
115     fi
116     dnl Check for XFree86 DGA extension
117     AC_CHECK_HEADERS(X11/Xlib.h X11/extensions/xf86dga.h)
118     if test "$ac_cv_header_X11_Xlib_h" = "yes" -a "$ac_cv_header_X11_extensions_xf86dga_h" = "yes"
119     then 
120          AC_CHECK_LIB(Xxf86dga,XF86DGAQueryExtension,AC_DEFINE(HAVE_LIBXXF86DGA) X_PRE_LIBS="$X_PRE_LIBS -lXxf86dga",,$X_LIBS -lXext -lX11)
121     fi
122
123     dnl Check for XFree86 VMODE extension
124     AC_CHECK_HEADERS(X11/Xlib.h X11/extensions/xf86vmode.h)
125     if test "$ac_cv_header_X11_Xlib_h" = "yes" -a "$ac_cv_header_X11_extensions_xf86vmode_h" = "yes"
126     then 
127         AC_CHECK_LIB(Xxf86vm,XF86VidModeQueryExtension,AC_DEFINE(HAVE_LIBXXF86VM) X_PRE_LIBS="$X_PRE_LIBS -lXxf86vm",,$X_LIBS -lXext -lX11)
128     fi
129
130     dnl Check for the presence of Mesa
131     AC_CHECK_HEADERS(GL/gl.h GL/osmesa.h)
132     if test "$ac_cv_header_GL_gl_h" = "yes" -a "$ac_cv_header_GL_osmesa_h" = "yes"
133     then
134         dnl Check for some problems due to old Mesa versions
135         AC_CACHE_CHECK("for up-to-date Mesa version", wine_cv_mesa_version_OK,
136           AC_TRY_COMPILE(
137             [#include <GL/gl.h>],
138             [GLenum test = GL_UNSIGNED_SHORT_5_6_5;],
139             [wine_cv_mesa_version_OK="yes"],
140             [wine_cv_mesa_version_OK="no"]
141           )
142         )
143
144         if test "$wine_cv_mesa_version_OK" = "yes"
145         then
146             dnl Check for the presense of the library
147             AC_CHECK_LIB(MesaGL,OSMesaCreateContext,AC_DEFINE(HAVE_LIBMESAGL) X_PRE_LIBS="$X_PRE_LIBS -lMesaGL",,$X_LIBS -lXext -lX11 -lm)
148         fi
149     fi
150
151     CPPFLAGS="$ac_save_CPPFLAGS"
152 else
153     XLIB=""
154     X_CFLAGS=""
155     X_LIBS=""
156 fi
157
158 dnl **** Check which curses lib to use ***
159 AC_CHECK_HEADERS(ncurses.h)
160 if test "$ac_cv_header_ncurses_h" = "yes"
161 then 
162     AC_CHECK_LIB(ncurses,waddch)
163 fi
164 if test "$ac_cv_lib_ncurses_waddch" = "yes"
165 then
166     AC_CHECK_LIB(ncurses,resizeterm,AC_DEFINE(HAVE_RESIZETERM))
167     AC_CHECK_LIB(ncurses,getbkgd,AC_DEFINE(HAVE_GETBKGD))
168 else
169     AC_CHECK_HEADERS(curses.h)
170     if test "$ac_cv_header_curses_h" = "yes"
171     then    
172        AC_CHECK_LIB(curses,waddch)
173        AC_CHECK_LIB(curses,resizeterm,AC_DEFINE(HAVE_RESIZETERM))
174        AC_CHECK_LIB(curses,getbkgd,AC_DEFINE(HAVE_GETBKGD))
175     fi
176 fi
177
178 dnl **** Check for IPX (currently Linux only) ****
179 AC_CACHE_CHECK("for GNU style IPX support", ac_cv_c_ipx_gnu,
180  AC_TRY_COMPILE(
181    [#include <sys/socket.h>
182     #include <netipx/ipx.h>],
183    [((struct sockaddr_ipx *)0)->sipx_family == AF_IPX],
184    [AC_DEFINE(HAVE_IPX_GNU)
185     ac_cv_c_ipx_gnu="yes"],
186    [ac_cv_c_ipx_gnu="no"])
187  )
188
189 if test "$ac_cv_c_ipx_gnu" = "no"
190 then
191  AC_CACHE_CHECK("for linux style IPX support", ac_cv_c_ipx_linux,
192   AC_TRY_COMPILE(
193     [#include <sys/socket.h>
194      #include <asm/types.h>
195      #include <linux/ipx.h>],
196     [((struct sockaddr_ipx *)0)->sipx_family == AF_IPX],
197     [AC_DEFINE(HAVE_IPX_LINUX)
198      ac_cv_c_ipx_linux="yes"],
199     [ac_cv_c_ipx_linux="no"])
200   )
201 fi
202
203 dnl **** Check for Open Sound System ****
204 AC_CHECK_HEADERS(sys/soundcard.h machine/soundcard.h soundcard.h, break)
205
206 AC_CACHE_CHECK("for Open Sound System",
207         ac_cv_c_opensoundsystem,
208         AC_TRY_COMPILE([
209         #if defined(HAVE_SYS_SOUNDCARD_H)
210                 #include <sys/soundcard.h>
211         #elif defined(HAVE_MACHINE_SOUNDCARD_H)
212                 #include <machine/soundcard.h>
213         #elif defined(HAVE_SOUNDCARD_H)
214                 #include <soundcard.h>
215         #endif
216         ],[
217
218 /* check for one of the Open Sound System specific SNDCTL_ defines */
219 #if !defined(SNDCTL_DSP_STEREO)
220 #error No open sound system
221 #endif
222 ],ac_cv_c_opensoundsystem="yes",ac_cv_c_opensoundsystem="no"))
223
224 if test "$ac_cv_c_opensoundsystem" = "yes"
225 then
226     AC_DEFINE(HAVE_OSS)
227 fi
228
229 dnl **** Check for union semun ****
230
231 AC_CACHE_CHECK("for union semun", ac_cv_c_union_semun,
232  AC_TRY_COMPILE([#include <sys/types.h>
233 #include <sys/sem.h>],[union semun foo],
234                 ac_cv_c_union_semun="yes", ac_cv_c_union_semun="no"))
235 if test "$ac_cv_c_union_semun" = "yes"
236 then
237     AC_DEFINE(HAVE_UNION_SEMUN)
238 fi
239
240 dnl **** If ln -s doesn't work, use cp instead ****
241 if test "$ac_cv_prog_LN_S" = "ln -s"; then : ; else LN_S=cp ; fi
242
243 dnl **** Check for gcc strength-reduce bug ****
244
245 if test "x${GCC}" = "xyes"
246 then
247   CFLAGS="$CFLAGS -Wall"
248   AC_CACHE_CHECK( "for gcc strength-reduce bug", ac_cv_c_gcc_strength_bug,
249                   AC_TRY_RUN([
250 int main(void) {
251   static int Array[[3]];
252   unsigned int B = 3;
253   int i;
254   for(i=0; i<B; i++) Array[[i]] = i - 3;
255   exit( Array[[1]] != -2 );
256 }],
257     ac_cv_c_gcc_strength_bug="no",
258     ac_cv_c_gcc_strength_bug="yes",
259     ac_cv_c_gcc_strength_bug="yes") )
260   if test "$ac_cv_c_gcc_strength_bug" = "yes"
261   then
262     CFLAGS="$CFLAGS -fno-strength-reduce"
263   fi
264 fi
265
266 dnl **** Check for underscore on external symbols ****
267
268 AC_CACHE_CHECK("whether external symbols need an underscore prefix",
269                ac_cv_c_extern_prefix,
270 [saved_libs=$LIBS
271 LIBS="conftest_asm.s $LIBS"
272 cat > conftest_asm.s <<EOF
273         .globl _ac_test
274 _ac_test:
275         .long 0
276 EOF
277 AC_TRY_LINK([extern int ac_test;],[if (ac_test) return 1],
278             ac_cv_c_extern_prefix="yes",ac_cv_c_extern_prefix="no")
279 LIBS=$saved_libs])
280 if test "$ac_cv_c_extern_prefix" = "yes"
281 then
282   AC_DEFINE(NEED_UNDERSCORE_PREFIX)
283 fi
284
285 dnl **** Check for .string in assembler ****
286
287 AC_CACHE_CHECK("whether assembler accepts .string",
288                ac_cv_c_asm_string,
289 [saved_libs=$LIBS
290 LIBS="conftest_asm.s $LIBS"
291 cat > conftest_asm.s <<EOF
292         .string "test"
293 EOF
294 AC_TRY_LINK(,,ac_cv_c_asm_string="yes",ac_cv_c_asm_string="no")
295 LIBS=$saved_libs])
296 if test "$ac_cv_c_asm_string" = "yes"
297 then
298   AC_DEFINE(HAVE_ASM_STRING)
299 fi
300
301 dnl **** Check for working dll ****
302
303 DLLFLAGS=""
304 LDSHARED=""
305 if test "$LIB_TARGET" = "libwine.so.1.0"
306 then
307   AC_CACHE_CHECK("whether we can build a Linux dll",
308                  ac_cv_c_dll_linux,
309   [saved_cflags=$CFLAGS
310   CFLAGS="$CFLAGS -fPIC -shared -Wl,-soname,conftest.so.1.0"
311   AC_TRY_LINK(,[return 1],ac_cv_c_dll_linux="yes",ac_cv_c_dll_linux="no")
312   CFLAGS=$saved_cflags
313   ])
314   if test "$ac_cv_c_dll_linux" = "yes"
315   then
316     DLLFLAGS="-fPIC"
317     LDSHARED="\$(CC) -shared -Wl,-soname,libwine.so"
318   else
319     AC_CACHE_CHECK("whether we can build a NetBSD dll",
320                    ac_cv_c_dll_netbsd,
321     [saved_cflags=$CFLAGS
322     CFLAGS="$CFLAGS -fPIC -Bshareable -Bforcearchive"
323     AC_TRY_LINK(,[return 1],ac_cv_c_dll_netbsd="yes",ac_cv_c_dll_netbsd="no")
324     CFLAGS=$saved_cflags
325     ])
326     if test "$ac_cv_c_dll_netbsd" = "yes"
327     then
328       DLLFLAGS="-fPIC"
329       LDSHARED="ld -Bshareable -Bforcearchive"
330     fi
331   fi
332   if test "$ac_cv_c_dll_linux" = "no" -a "$ac_cv_c_dll_netbsd" = "no"
333   then
334     LIB_TARGET="libwine.a"
335   fi
336 fi
337 AC_SUBST(DLLFLAGS)
338 AC_SUBST(LDSHARED)
339
340 dnl **** Check for reentrant libc ****
341 dnl
342 dnl For cross-compiling we blindly assume that libc is reentrant. This is
343 dnl ok since non-reentrant libc is quite rare (mostly old libc5 versions).
344
345 AC_CACHE_CHECK("for reentrant libc", wine_cv_libc_reentrant,
346   [AC_TRY_RUN([int myerrno = 0;
347 char buf[256];
348 int *__errno_location(){return &myerrno;}
349 main(){connect(0,buf,255); exit(!myerrno);}],
350   wine_cv_libc_reentrant=yes, wine_cv_libc_reentrant=no,
351   wine_cv_libc_reentrant=yes ) ] )
352 if test "$wine_cv_libc_reentrant" = "no" 
353 then
354   AC_DEFINE(NO_REENTRANT_LIBC)
355 fi
356
357 dnl **** Check for reentrant X libraries ****
358 dnl
359 dnl This may fail to determine whether X libraries are reentrant if
360 dnl AC_PATH_XTRA does not set x_libraries. In this case manual configuration
361 dnl is possible with the --without-reentrant-x option.
362
363 if test "$have_x" = "yes"
364 then
365 AC_CACHE_CHECK( "for reentrant X libraries", wine_cv_x_reentrant,
366   [ if test "x$with_reentrant_x" = "xno"
367     then
368         wine_cv_x_reentrant=no
369     else
370         libX11_ckeck=none
371         for dir in "$x_libraries" /usr/lib /usr/local/lib /lib; do
372             if test -r $dir/libX11.so; then
373                 libX11_check="-D $dir/libX11.so"
374                 break 1
375             fi
376             if test -r $dir/libX11.a; then
377                 libX11_check="$dir/libX11.a"
378                 break 1
379             fi
380         done
381         if test "$libX11_check" != "none"; then
382             if nm $libX11_check | grep __errno_location >/dev/null 2>&1
383             then
384                 wine_cv_x_reentrant=yes
385             else
386                 wine_cv_x_reentrant=no
387             fi
388         else
389             wine_cv_x_reentrant=unknown
390         fi
391     fi ] )
392 else
393     wine_cv_x_reentrant=no
394 fi
395 if test "$wine_cv_x_reentrant" = "no"
396 then
397   AC_DEFINE(NO_REENTRANT_X11)
398 fi
399
400 dnl **** Check for functions and header files ****
401
402 AC_CHECK_FUNCS(clone getpagesize memmove sendmsg sigaltstack strerror stricmp tcgetattr timegm usleep wait4 waitpid vfscanf)
403 AC_CHECK_HEADERS(wctype.h sys/syscall.h syscall.h sys/param.h sys/vfs.h sys/mount.h sys/statfs.h float.h linux/cdrom.h linux/ucdrom.h sys/cdio.h sys/filio.h sys/modem.h strings.h sys/strtio.h dlfcn.h unistd.h sys/sockio.h net/if.h netinet/in.h sys/file.h libio.h curses.h ncurses.h elf.h arpa/nameser.h resolv.h)
404 AC_HEADER_STAT()
405 AC_C_CONST()
406 AC_TYPE_SIZE_T()
407 AC_CHECK_SIZEOF(long long,0)
408
409 dnl **** Check for sendmsg in -lsocket if not found above ****
410
411 if test $ac_cv_func_sendmsg = no; then
412     AC_CHECK_LIB(socket,sendmsg)
413 fi
414
415 dnl **** statfs checks ****
416
417 if test "$ac_cv_header_sys_vfs_h" = "yes"
418 then
419     AC_CACHE_CHECK( "whether sys/vfs.h defines statfs",
420                     wine_cv_sys_vfs_has_statfs,
421         AC_TRY_COMPILE([
422         #include <sys/types.h>
423         #ifdef HAVE_SYS_PARAM_H
424         # include <sys/param.h>
425         #endif
426         #include <sys/vfs.h>
427         ],[
428                 struct statfs stfs;
429
430                 memset(&stfs,0,sizeof(stfs));
431         ],wine_cv_sys_vfs_has_statfs=yes,wine_cv_sys_vfs_has_statfs=no
432         )
433     )
434     if test "$wine_cv_sys_vfs_has_statfs" = "yes"
435     then
436       AC_DEFINE(STATFS_DEFINED_BY_SYS_VFS)
437     fi
438 fi
439
440 if test "$ac_cv_header_sys_statfs_h" = "yes"
441 then
442     AC_CACHE_CHECK( "whether sys/statfs.h defines statfs",
443                     wine_cv_sys_statfs_has_statfs,
444         AC_TRY_COMPILE([
445         #include <sys/types.h>
446         #ifdef HAVE_SYS_PARAM_H
447         # include <sys/param.h>
448         #endif
449         #include <sys/statfs.h>
450         ],[
451                 struct statfs stfs;
452         ],wine_cv_sys_statfs_has_statfs=yes,wine_cv_sys_statfs_has_statfs=no
453         )
454     )
455     if test "$wine_cv_sys_statfs_has_statfs" = "yes"
456     then
457       AC_DEFINE(STATFS_DEFINED_BY_SYS_STATFS)
458     fi
459 fi
460
461 if test "$ac_cv_header_sys_mount_h" = "yes"
462 then
463     AC_CACHE_CHECK( "whether sys/mount.h defines statfs",
464                     wine_cv_sys_mount_has_statfs,
465         AC_TRY_COMPILE([
466         #include <sys/types.h>
467         #ifdef HAVE_SYS_PARAM_H
468         # include <sys/param.h>
469         #endif
470         #include <sys/mount.h>
471         ],[
472                 struct statfs stfs;
473         ],wine_cv_sys_mount_has_statfs=yes,wine_cv_sys_mount_has_statfs=no
474         )
475     )
476     if test "$wine_cv_sys_mount_has_statfs" = "yes"
477     then
478       AC_DEFINE(STATFS_DEFINED_BY_SYS_MOUNT)
479     fi
480 fi
481
482 dnl **** FIXME: what about mixed cases, where we need two of them? ***
483
484 AC_CACHE_CHECK( "for statfs.f_bfree", wine_cv_statfs_bfree,
485   [ if test "x$statfs_bfree" = "xno"
486     then
487         wine_cv_statfs_bfree=no
488     else
489         AC_TRY_COMPILE([
490         #include <sys/types.h>
491         #ifdef HAVE_SYS_PARAM_H
492         # include <sys/param.h>
493         #endif
494         #ifdef STATFS_DEFINED_BY_SYS_MOUNT
495         # include <sys/mount.h>
496         #else
497         # ifdef STATFS_DEFINED_BY_SYS_VFS
498         #  include <sys/vfs.h>
499         # else
500         #  ifdef STATFS_DEFINED_BY_SYS_STATFS
501         #   include <sys/statfs.h>
502         #  endif
503         # endif
504         #endif
505         ],[
506                 struct statfs stfs;
507
508                 stfs.f_bfree++;
509         ],wine_cv_statfs_bfree=yes,wine_cv_statfs_bfree=no
510         )
511     fi ] )
512 if test "$wine_cv_statfs_bfree" = "yes"
513 then
514   AC_DEFINE(STATFS_HAS_BFREE)
515 fi
516
517 AC_CACHE_CHECK( "for statfs.f_bavail", wine_cv_statfs_bavail,
518   [ if test "x$statfs_bavail" = "xno"
519     then
520         wine_cv_statfs_bavail=no
521     else
522         AC_TRY_COMPILE([
523         #include <sys/types.h>
524         #ifdef HAVE_SYS_PARAM_H
525         # include <sys/param.h>
526         #endif
527         #ifdef STATFS_DEFINED_BY_SYS_MOUNT
528         # include <sys/mount.h>
529         #else
530         # ifdef STATFS_DEFINED_BY_SYS_VFS
531         #  include <sys/vfs.h>
532         # else
533         #  ifdef STATFS_DEFINED_BY_SYS_STATFS
534         #   include <sys/statfs.h>
535         #  endif
536         # endif
537         #endif
538         ],[
539                 struct statfs stfs;
540
541                 stfs.f_bavail++;
542         ],wine_cv_statfs_bavail=yes,wine_cv_statfs_bavail=no
543         )
544     fi ] )
545 if test "$wine_cv_statfs_bavail" = "yes"
546 then
547   AC_DEFINE(STATFS_HAS_BAVAIL)
548 fi
549
550 dnl *** check for working sigaltstack
551 dnl glibc 2.0x defines it, but it always fails... so it is useless for us.
552
553 AC_CACHE_CHECK("for working sigaltstack",
554         ac_cv_c_working_sigaltstack,
555         AC_TRY_RUN([
556         #include <stdio.h>
557         #include <time.h> /* <sys/time.h> ? bad magic without end */
558         #include <sys/types.h>
559         #include <sys/signal.h>
560         #ifdef HAVE_SYS_PARAM_H
561         # include <sys/param.h>
562         #endif
563         #ifdef HAVE_SYSCALL_H
564         # include <syscall.h>
565         #else
566         # ifdef HAVE_SYS_SYSCALL_H
567         #  include <sys/syscall.h>
568         # endif
569         #endif
570         
571         unsigned char *xaltstack;
572
573         int
574         main(int argc,char **argv) {
575             struct sigaltstack  ss;
576
577             xaltstack = malloc(16384);
578             ss.ss_sp    = xaltstack;
579             ss.ss_size  = 16384;
580             ss.ss_flags = 0;
581             if (sigaltstack(&ss, NULL) < 0) {
582                 /* this catches the glibc case */
583                 perror("sigaltstack");
584                 return (1); /* aka exit(1) aka fail */
585             }
586             /* assume it works. */
587             return 0; /* OK */
588         }
589         ],
590         ac_cv_c_working_sigaltstack="yes",
591         ac_cv_c_working_sigaltstack="no",
592         ac_cv_c_working_sigaltstack="no"
593 ))
594
595 if test "$ac_cv_c_working_sigaltstack" = "yes"
596 then
597     AC_DEFINE(HAVE_WORKING_SIGALTSTACK)
598 fi
599
600
601 dnl *** check for file descriptor passing with msg_accrights
602
603 AC_CACHE_CHECK("for msg_accrights in struct msghdr", ac_cv_c_msg_accrights,
604  AC_TRY_COMPILE([#include <sys/types.h>
605 #include <sys/socket.h>],[struct msghdr hdr; hdr.msg_accrights=0],
606                 ac_cv_c_msg_accrights="yes", ac_cv_c_msg_accrights="no"))
607 if test "$ac_cv_c_msg_accrights" = "yes"
608 then
609     AC_DEFINE(HAVE_MSGHDR_ACCRIGHTS)
610 fi
611
612 dnl **** Generate output files ****
613
614 MAKE_RULES=Make.rules
615 AC_SUBST_FILE(MAKE_RULES)
616
617 AC_OUTPUT([
618 Make.rules
619 Makefile
620 console/Makefile
621 controls/Makefile
622 debugger/Makefile
623 dlls/Makefile
624 dlls/advapi32/Makefile
625 dlls/comctl32/Makefile
626 dlls/imagehlp/Makefile
627 dlls/msacm/Makefile
628 dlls/msacm32/Makefile
629 dlls/ntdll/Makefile
630 dlls/psapi/Makefile
631 dlls/rasapi32/Makefile
632 dlls/shell32/Makefile
633 dlls/ver/Makefile
634 dlls/version/Makefile
635 dlls/winaspi/Makefile
636 dlls/wnaspi32/Makefile
637 documentation/Makefile
638 files/Makefile
639 graphics/Makefile
640 graphics/metafiledrv/Makefile
641 graphics/psdrv/Makefile
642 graphics/ttydrv/Makefile
643 graphics/win16drv/Makefile
644 graphics/x11drv/Makefile
645 if1632/Makefile
646 include/Makefile
647 ipc/Makefile
648 library/Makefile
649 libtest/Makefile
650 loader/Makefile
651 loader/ne/Makefile
652 loader/dos/Makefile
653 memory/Makefile
654 misc/Makefile
655 miscemu/Makefile
656 msdos/Makefile
657 multimedia/Makefile
658 objects/Makefile
659 ole/Makefile
660 programs/Makefile
661 programs/clock/Makefile
662 programs/cmdlgtst/Makefile
663 programs/control/Makefile
664 programs/avitools/Makefile
665 programs/notepad/Makefile
666 programs/progman/Makefile
667 programs/regtest/Makefile
668 programs/view/Makefile
669 programs/winhelp/Makefile
670 programs/winver/Makefile
671 rc/Makefile
672 relay32/Makefile
673 resources/Makefile
674 scheduler/Makefile
675 server/Makefile
676 tools/Makefile
677 tools/wrc/Makefile
678 tsx11/Makefile
679 win32/Makefile
680 windows/Makefile
681 windows/ttydrv/Makefile
682 windows/x11drv/Makefile ])
683
684 if test "$have_x" = "no"
685 then
686   echo
687   echo "*** Warning: X development files not found. Wine will be built without"
688   echo "*** X support, which currently does not work, and would probably not be"
689   echo "*** what you want anyway. You will need to install devel packages of"
690   echo "*** Xlib/Xfree86 and Xpm at the very least."
691 elif test "$ac_cv_lib_Xpm_XpmCreatePixmapFromData" = "no"
692 then
693   echo
694   echo "*** Warning: Xpm development files not found. Wine will be built without"
695   echo "*** Xpm support, which currently does not work. You will need to install"
696   echo "*** devel packages of Xpm."
697 fi
698
699 if test "$ac_cv_lib_ncurses_resizeterm" = "no" -a "$ac_cv_lib_ncurses_waddch" = "yes"
700 then
701   echo
702   echo "*** Warning: resizeterm not found in ncurses. Wine will be built without"
703   echo "*** terminal resize support. Consider upgrading ncurses."
704 fi
705
706 if test "$wine_cv_libc_reentrant" = "no" 
707 then
708   echo
709   echo "*** Warning: non-reentrant libc detected. Wine will be build without"
710   echo "*** thread support. Consider upgrading libc to a more recent"
711   echo "*** reentrant version of libc."
712 fi
713
714 if test "$wine_cv_mesa_version_OK" = "no"
715 then
716   echo
717   echo "*** Warning: old Mesa headers detected. Wine will be built without Direct3D"
718   echo "*** support. Consider upgrading your Mesa libraries (http://www.mesa3d.org/)"
719 fi
720
721 echo
722 echo "Configure finished.  Do 'make depend && make' to compile Wine."
723 echo
724
725 dnl Local Variables:
726 dnl comment-start: "dnl "
727 dnl comment-end: ""
728 dnl comment-start-skip: "\\bdnl\\b\\s *"
729 dnl compile-command: "autoconf"
730 dnl End: