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root/cebix/SheepShaver/src/Unix/configure.ac
Revision: 1.17
Committed: 2005-02-20T18:26:39Z (19 years, 8 months ago) by gbeauche
Branch: MAIN
Changes since 1.16: +8 -3 lines
Log Message:
native NetBSD/ppc support

File Contents

# User Rev Content
1 gbeauche 1.1 dnl Process this file with autoconf to produce a configure script.
2     dnl Written in 2002 by Christian Bauer
3    
4     AC_INIT([SheepShaver], 2.2, [Christian.Bauer@uni-mainz.de], SheepShaver)
5     AC_CONFIG_SRCDIR(main_unix.cpp)
6     AC_PREREQ(2.52)
7     AC_CONFIG_HEADER(config.h)
8    
9     dnl Canonical system information.
10     AC_CANONICAL_HOST
11     AC_CANONICAL_TARGET
12    
13 gbeauche 1.2 dnl Some systems do not put corefiles in the currect directory, avoid saving
14     dnl cores for the configure tests since some are intended to dump core.
15     ulimit -c 0
16    
17 gbeauche 1.1 dnl Options.
18     AC_ARG_ENABLE(jit, [ --enable-jit enable JIT compiler [default=yes]], [WANT_JIT=$enableval], [WANT_JIT=yes])
19     AC_ARG_ENABLE(ppc-emulator, [ --enable-ppc-emulator use the selected PowerPC emulator [default=auto]], [WANT_EMULATED_PPC=$enableval], [WANT_EMULATED_PPC=auto])
20     AC_ARG_ENABLE(xf86-dga, [ --enable-xf86-dga use the XFree86 DGA extension [default=yes]], [WANT_XF86_DGA=$enableval], [WANT_XF86_DGA=yes])
21     AC_ARG_ENABLE(xf86-vidmode, [ --enable-xf86-vidmode use the XFree86 VidMode extension [default=no]], [WANT_XF86_VIDMODE=$enableval], [WANT_XF86_VIDMODE=no])
22     AC_ARG_ENABLE(vosf, [ --enable-vosf enable video on SEGV signals [default=yes]], [WANT_VOSF=$enableval], [WANT_VOSF=yes])
23     AC_ARG_WITH(esd, [ --with-esd support ESD for sound under Linux/FreeBSD [default=yes]], [WANT_ESD=$withval], [WANT_ESD=yes])
24     AC_ARG_WITH(gtk, [ --with-gtk use GTK user interface [default=yes]], [WANT_GTK=$withval], [WANT_GTK=yes])
25     AC_ARG_WITH(mon, [ --with-mon use mon as debugger [default=yes]], [WANT_MON=$withval], [WANT_MON=yes])
26     AC_ARG_WITH(dgcc, [ --with-dgcc=COMPILER use C++ COMPILER to compile synthetic opcodes], [DYNGEN_CC=$withval])
27    
28 gbeauche 1.8 dnl Addressing mode
29     AC_ARG_ENABLE(addressing,
30     [ --enable-addressing=AM set the addressing mode to use [default=real]],
31     [case "$enableval" in
32     real) WANT_ADDRESSING_MODE="real";;
33     direct) WANT_ADDRESSING_MODE="direct";;
34 gbeauche 1.13 direct,0x*) WANT_ADDRESSING_MODE="direct"; NATMEM_OFFSET=`echo "$enableval" | sed -n '/direct,\(0[[xX]][[0-9A-Fa-f]]*\([[UuLl]]\{1,2\}\)\?\)$/s//\1/p'`;;
35 gbeauche 1.8 esac],
36     [WANT_ADDRESSING_MODE="real"]
37     )
38    
39 gbeauche 1.1 dnl SDL options.
40     AC_ARG_ENABLE(sdl-static, [ --enable-sdl-static use SDL static libraries for linking [default=no]], [WANT_SDL_STATIC=$enableval], [WANT_SDL_STATIC=no])
41     AC_ARG_ENABLE(sdl-video, [ --enable-sdl-video use SDL for video graphics [default=no]], [WANT_SDL_VIDEO=$enableval], [WANT_SDL_VIDEO=no])
42 gbeauche 1.7 AC_ARG_ENABLE(sdl-audio, [ --enable-sdl-audio use SDL for audio [default=no]], [WANT_SDL_AUDIO=$enableval], [WANT_SDL_AUDIO=no])
43 gbeauche 1.1
44     dnl Checks for programs.
45     AC_PROG_CC
46     AC_PROG_CPP
47     AC_PROG_CXX
48     AC_PROG_MAKE_SET
49     AC_PROG_INSTALL
50 gbeauche 1.3 AC_PROG_EGREP
51 gbeauche 1.16 AC_PATH_PROGS(FILE, [file false])
52     AC_PATH_PROG(PERL, [perl])
53 gbeauche 1.1
54     dnl Check for PowerPC target CPU.
55     HAVE_PPC=no
56     AC_MSG_CHECKING(for PowerPC target CPU)
57     AC_EGREP_CPP(yes,
58     [
59     #ifdef __powerpc__
60     yes
61     #endif
62     #ifdef __ppc__
63     yes
64     #endif
65     ], [AC_MSG_RESULT(yes); HAVE_PPC=yes], AC_MSG_RESULT(no))
66    
67     dnl We use native CPU if possible.
68     EMULATED_PPC=yes
69     case $WANT_EMULATED_PPC in
70     auto) [[ "x$HAVE_PPC" = "xyes" ]] && EMULATED_PPC=no;;
71     no) EMULATED_PPC=no;;
72     esac
73     if [[ "x$EMULATED_PPC" = "xyes" ]]; then
74     AC_DEFINE(EMULATED_PPC, 1, [Define if using a PowerPC CPU emulator.])
75     fi
76    
77     dnl We use mon if possible.
78     MONSRCS=
79     case "x$WANT_MON" in
80     x/* | x.*)
81     mon_srcdir=$WANT_MON
82     WANT_MON=yes
83     ;;
84     xyes)
85     mon_srcdir=../../../mon/src
86     ;;
87     esac
88     if [[ "x$WANT_MON" = "xyes" ]]; then
89     AC_MSG_CHECKING(for mon)
90     if grep mon_init $mon_srcdir/mon.h >/dev/null 2>/dev/null; then
91     AC_MSG_RESULT(yes)
92     AC_DEFINE(ENABLE_MON, 1, [Define if using "mon".])
93     MONSRCS="$mon_srcdir/mon.cpp $mon_srcdir/mon_6502.cpp $mon_srcdir/mon_z80.cpp $mon_srcdir/mon_cmd.cpp $mon_srcdir/mon_lowmem.cpp $mon_srcdir/mon_disass.cpp $mon_srcdir/mon_ppc.cpp $mon_srcdir/disass/floatformat.c $mon_srcdir/disass/i386-dis.c $mon_srcdir/disass/m68k-dis.c $mon_srcdir/disass/m68k-opc.c"
94     CXXFLAGS="$CXXFLAGS -I$mon_srcdir -I$mon_srcdir/disass"
95     AC_CHECK_LIB(ncurses, tgetent, ,
96     AC_CHECK_LIB(termcap, tgetent, ,
97     AC_CHECK_LIB(termlib, tgetent, ,
98     AC_CHECK_LIB(terminfo, tgetent, ,
99     AC_CHECK_LIB(Hcurses, tgetent, ,
100     AC_CHECK_LIB(curses, tgetent))))))
101     AC_CHECK_LIB(readline, readline)
102     AC_CHECK_HEADERS(readline.h history.h readline/readline.h readline/history.h)
103     else
104     AC_MSG_RESULT(no)
105     AC_MSG_WARN([Could not find mon, ignoring --with-mon.])
106     WANT_MON=no
107     fi
108     fi
109 gbeauche 1.11 AC_SUBST(MONSRCS)
110 gbeauche 1.1
111     dnl Checks for libraries.
112     AC_CHECK_LIB(posix4, sem_init)
113    
114     dnl Do we need SDL?
115     WANT_SDL=no
116     if [[ "x$WANT_SDL_VIDEO" = "xyes" ]]; then
117     WANT_SDL=yes
118     WANT_XF86_DGA=no
119     WANT_XF86_VIDMODE=no
120     WANT_FBDEV_DGA=no
121 gbeauche 1.7 SDL_SUPPORT="$SDL_SUPPORT video"
122     fi
123     if [[ "x$WANT_SDL_AUDIO" = "xyes" ]]; then
124     WANT_SDL=yes
125     SDL_SUPPORT="$SDL_SUPPORT audio"
126 gbeauche 1.1 fi
127     if [[ "x$WANT_SDL" = "xyes" ]]; then
128     AC_PATH_PROG(sdl_config, "sdl-config")
129     if [[ -n "$sdl_config" ]]; then
130 gbeauche 1.9 case $target_os in
131     # Special treatment for Cygwin so that we can still use the POSIX layer
132     *cygwin*)
133     sdl_cflags="-I`$sdl_config --prefix`/include/SDL"
134     sdl_libs="-L`$sdl_config --exec-prefix`/lib -lSDL"
135     ;;
136     *)
137     sdl_cflags=`$sdl_config --cflags`
138     if [[ "x$WANT_SDL_STATIC" = "xyes" ]]; then
139     sdl_libs=`$sdl_config --static-libs`
140     else
141     sdl_libs=`$sdl_config --libs`
142     fi
143     ;;
144     esac
145 gbeauche 1.1 CFLAGS="$CFLAGS $sdl_cflags"
146     CXXFLAGS="$CXXFLAGS $sdl_cflags"
147     LIBS="$LIBS $sdl_libs"
148     else
149     WANT_SDL=no
150 gbeauche 1.15 WANT_SDL_VIDEO=no
151     WANT_SDL_AUDIO=no
152 gbeauche 1.1 fi
153 gbeauche 1.7 SDL_SUPPORT=`echo "$SDL_SUPPORT" | sed -e "s/^ //"`
154     else
155     SDL_SUPPORT="none"
156 gbeauche 1.1 fi
157    
158     dnl We need X11, if not using SDL.
159 gbeauche 1.15 if [[ "x$WANT_SDL_VIDEO" != "xyes" ]]; then
160 gbeauche 1.1 AC_PATH_XTRA
161     if [[ "x$no_x" = "xyes" ]]; then
162     AC_MSG_ERROR([You need X11 to run SheepShaver.])
163     fi
164     CFLAGS="$CFLAGS $X_CFLAGS"
165     CXXFLAGS="$CXXFLAGS $X_CFLAGS"
166     LIBS="$LIBS $X_PRE_LIBS $X_LIBS -lX11 -lXext $X_EXTRA_LIBS"
167     fi
168    
169     dnl We need pthreads on non-PowerPC systems. Try libpthread first, then libc_r (FreeBSD), then PTL.
170     HAVE_PTHREADS=yes
171     case $EMULATED_PPC:$target_os in
172 gbeauche 1.17 no:linux*|no:netbsd*)
173 gbeauche 1.1 dnl We do have our own pthread_cancel() implementation
174     AC_DEFINE(HAVE_PTHREAD_CANCEL, 1, [Define if you have the pthread_cancel function.])
175     ;;
176     *:*)
177     AC_CHECK_LIB(pthread, pthread_create, , [
178     AC_CHECK_LIB(c_r, pthread_create, , [
179     AC_CHECK_LIB(PTL, pthread_create, , [
180     AC_MSG_ERROR([You need pthreads to run Basilisk II.])
181     ])
182     ])
183     ])
184     AC_CHECK_FUNCS(pthread_cancel)
185     AC_CHECK_FUNCS(pthread_mutexattr_setprotocol)
186     AC_CHECK_FUNCS(pthread_mutexattr_settype)
187     AC_CHECK_FUNCS(pthread_mutexattr_setpshared)
188     if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then
189     AC_DEFINE(HAVE_PTHREADS, 1, [Define if pthreads are available.])
190     fi
191     dnl If POSIX.4 semaphores are not available, we emulate them with pthread mutexes.
192     SEMSRC=
193     AC_CHECK_FUNCS(sem_init, , [
194     if test "x$HAVE_PTHREADS" = "xyes"; then
195     SEMSRC=posix_sem.cpp
196     fi
197     ])
198     ;;
199     esac
200    
201     dnl We use XFree86 DGA if possible.
202     if [[ "x$WANT_XF86_DGA" = "xyes" ]]; then
203     AC_CHECK_LIB(Xxf86dga, XF86DGAQueryExtension, [
204     AC_DEFINE(ENABLE_XF86_DGA, 1, [Define if using XFree86 DGA extension.])
205     LIBS="$LIBS -lXxf86dga"
206     ], [
207     AC_MSG_WARN([Could not find XFree86 DGA extension, ignoring --enable-xf86-dga.])
208     WANT_XF86_DGA=no
209     ])
210     fi
211    
212     dnl We use XFree86 VidMode if possible.
213     if [[ "x$WANT_XF86_VIDMODE" = "xyes" ]]; then
214     AC_CHECK_LIB(Xxf86vm, XF86VidModeQueryExtension, [
215     AC_DEFINE(ENABLE_XF86_VIDMODE, 1, [Define if using XFree86 DGA extension.])
216     LIBS="$LIBS -lXxf86vm"
217     ], [
218     AC_MSG_WARN([Could not find XFree86 VidMode extension, ignoring --enable-xf86-vidmode.])
219     WANT_XF86_VIDMODE=no
220     ])
221     fi
222    
223     dnl We use GTK+ if possible.
224     UISRCS=../dummy/prefs_editor_dummy.cpp
225     if [[ "x$WANT_GTK" = "xyes" ]]; then
226     AM_PATH_GTK(1.2.0, [
227     AC_DEFINE(ENABLE_GTK, 1, [Define if using GTK.])
228     CFLAGS="$CFLAGS $GTK_CFLAGS"
229     CXXFLAGS="$CXXFLAGS $GTK_CFLAGS"
230     LIBS="$LIBS $GTK_LIBS"
231     UISRCS=prefs_editor_gtk.cpp
232     ], [
233     AC_MSG_WARN([Could not find GTK+, disabling user interface.])
234     WANT_GTK=no
235     ])
236     fi
237    
238     dnl We use ESD if possible.
239     if [[ "x$WANT_ESD" = "xyes" ]]; then
240     AM_PATH_ESD(0.2.8, [
241     AC_DEFINE(ENABLE_ESD, 1, [Define is using ESD.])
242     CFLAGS="$CFLAGS $ESD_CFLAGS"
243     CXXFLAGS="$CXXFLAGS $ESD_CFLAGS"
244     LIBS="$LIBS $ESD_LIBS"
245     ], [
246     AC_MSG_WARN([Could not find ESD, disabling ESD support.])
247     WANT_ESD=no
248     ])
249     fi
250    
251 gbeauche 1.2 dnl We use 64-bit file size support if possible.
252     AC_SYS_LARGEFILE
253    
254 gbeauche 1.1 dnl Checks for header files.
255     AC_HEADER_STDC
256     AC_HEADER_SYS_WAIT
257 gbeauche 1.9 AC_CHECK_HEADERS(malloc.h)
258 gbeauche 1.1 AC_CHECK_HEADERS(mach/vm_map.h mach/mach_init.h sys/mman.h)
259     AC_CHECK_HEADERS(sys/time.h sys/times.h sys/socket.h)
260 gbeauche 1.4 AC_CHECK_HEADERS(unistd.h fcntl.h byteswap.h dirent.h)
261 gbeauche 1.1 AC_CHECK_HEADERS(linux/if.h, [], [], [
262     #if HAVE_SYS_SOCKET_H
263     # include <sys/socket.h>
264     #endif
265     ])
266     AC_CHECK_HEADERS(linux/if_tun.h net/if.h net/if_tun.h)
267 gbeauche 1.10 AC_CHECK_HEADERS(fenv.h)
268 gbeauche 1.1
269     dnl Checks for typedefs, structures, and compiler characteristics.
270     AC_C_BIGENDIAN
271     AC_C_CONST
272     AC_C_INLINE
273     AC_CHECK_SIZEOF(short, 2)
274     AC_CHECK_SIZEOF(int, 4)
275     AC_CHECK_SIZEOF(long, 4)
276     AC_CHECK_SIZEOF(long long, 8)
277     AC_CHECK_SIZEOF(float, 4)
278     AC_CHECK_SIZEOF(double, 8)
279     AC_CHECK_SIZEOF(void *, 4)
280     AC_TYPE_OFF_T
281     AC_CHECK_TYPE(loff_t, off_t)
282     AC_TYPE_SIZE_T
283     AC_TYPE_SIGNAL
284     AC_HEADER_TIME
285     AC_STRUCT_TM
286    
287     dnl Check whether struct sigaction has sa_restorer member.
288     AC_CACHE_CHECK([whether struct sigaction has sa_restorer],
289     ac_cv_signal_sa_restorer, [
290     AC_TRY_COMPILE([
291     #include <signal.h>
292     ], [struct sigaction sa; sa.sa_restorer = 0;],
293     ac_cv_signal_sa_restorer=yes, ac_cv_signal_sa_restorer=no,
294     dnl When cross-compiling, do not assume anything.
295     ac_cv_signal_sa_restorer=no
296     )
297     ])
298     if [[ "x$ac_cv_signal_sa_restorer" = "xyes" ]]; then
299     AC_DEFINE(HAVE_SIGNAL_SA_RESTORER, 1, [Define if sa_restorer is available in struct sigaction.])
300     fi
301    
302     dnl Checks for library functions.
303     AC_CHECK_FUNCS(strdup strlcpy cfmakeraw)
304     AC_CHECK_FUNCS(nanosleep)
305     AC_CHECK_FUNCS(sigaction signal)
306     AC_CHECK_FUNCS(mmap mprotect munmap)
307     AC_CHECK_FUNCS(vm_allocate vm_deallocate vm_protect)
308     AC_CHECK_FUNCS(posix_memalign memalign valloc)
309 gbeauche 1.16 AC_CHECK_FUNCS(exp2f log2f exp2 log2 trunc)
310 gbeauche 1.1
311     dnl Darwin seems to define mach_task_self() instead of task_self().
312     AC_CHECK_FUNCS(mach_task_self task_self)
313    
314     dnl We need clock_gettime() for better performance but it may drag
315     dnl libpthread in, which we don't want for native ppc mode
316     case $EMULATED_PPC:$target_os in
317     no:linux*)
318     ;;
319     *:*)
320     AC_SEARCH_LIBS(clock_gettime, [rt posix4])
321     AC_CHECK_FUNCS(clock_gettime)
322     ;;
323     esac
324    
325 gbeauche 1.9 dnl Check for headers and functions related to pty support (sshpty.c)
326     dnl From openssh-3.2.2p1 configure.ac
327     AC_CHECK_HEADERS(strings.h login.h sys/bsdtty.h sys/stat.h util.h pty.h)
328     AC_CHECK_FUNCS(_getpty vhangup strlcpy)
329    
330     case "$host" in
331     *-*-hpux10.26)
332     disable_ptmx_check=yes
333     ;;
334     *-*-linux*)
335     no_dev_ptmx=1
336     ;;
337     mips-sony-bsd|mips-sony-newsos4)
338     AC_DEFINE(HAVE_NEWS4, 1, [Define if you are on NEWS-OS (additions from openssh-3.2.2p1, for sshpty.c).])
339     ;;
340     *-*-sco3.2v4*)
341     no_dev_ptmx=1
342     ;;
343     *-*-sco3.2v5*)
344     no_dev_ptmx=1
345     ;;
346     *-*-cygwin*)
347     no_dev_ptmx=1
348     ;;
349     esac
350    
351     if test -z "$no_dev_ptmx" ; then
352     if test "x$disable_ptmx_check" != "xyes" ; then
353     AC_CHECK_FILE([/dev/ptmx],
354     [
355     AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX, 1, [Define if you have /dev/ptmx.])
356     have_dev_ptmx=1
357     ]
358     )
359     fi
360     fi
361     AC_CHECK_FILE([/dev/ptc],
362     [
363     AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC, 1, [Define if you have /dev/ptc.])
364     have_dev_ptc=1
365     ]
366     )
367     dnl (end of code from openssh-3.2.2p1 configure.ac)
368    
369 gbeauche 1.1 dnl AC_CHECK_FRAMEWORK($1=NAME, $2=INCLUDES)
370     AC_DEFUN(AC_CHECK_FRAMEWORK, [
371     AS_VAR_PUSHDEF([ac_Framework], [ac_cv_framework_$1])dnl
372     AC_CACHE_CHECK([whether compiler supports framework $1],
373     ac_Framework, [
374     saved_LIBS="$LIBS"
375     LIBS="$LIBS -framework $1"
376     AC_TRY_LINK(
377     [$2], [int main(void) { return 0; }],
378     [AS_VAR_SET(ac_Framework, yes)], [AS_VAR_SET(ac_Framework, no); LIBS="$saved_LIBS"]
379     )
380     ])
381     AS_IF([test AS_VAR_GET(ac_Framework) = yes],
382     [AC_DEFINE(AS_TR_CPP(HAVE_FRAMEWORK_$1), 1, [Define if framework $1 is available.])]
383     )
384     AS_VAR_POPDEF([ac_Framework])dnl
385     ])
386    
387     dnl Check for some MacOS X frameworks
388     AC_CHECK_FRAMEWORK(Carbon, [#include <Carbon/Carbon.h>])
389     AC_CHECK_FRAMEWORK(IOKit, [#include <IOKit/IOKitLib.h>])
390    
391     dnl Select system-dependant sources.
392     SERIALSRC=serial_unix.cpp
393     ETHERSRC=../dummy/ether_dummy.cpp
394     SCSISRC=../dummy/scsi_dummy.cpp
395     AUDIOSRC=../dummy/audio_dummy.cpp
396 gbeauche 1.6 EXTFSSRC=extfs_unix.cpp
397 gbeauche 1.1 EXTRASYSSRCS=
398     case "$target_os" in
399     linux*)
400     ETHERSRC=Linux/ether_linux.cpp
401     AUDIOSRC=audio_oss_esd.cpp
402     SCSISRC=Linux/scsi_linux.cpp
403     if [[ "x$EMULATED_PPC" = "xno" ]]; then
404 gbeauche 1.17 EXTRASYSSRCS="Linux/paranoia.cpp Linux/sheepthreads.c ppc_asm.S"
405     fi
406     ;;
407     netbsd*)
408     if [[ "x$EMULATED_PPC" = "xno" ]]; then
409     EXTRASYSSRCS="NetBSD/paranoia.cpp NetBSD/sheepthreads.c ppc_asm.S"
410 gbeauche 1.1 fi
411     ;;
412     darwin*)
413     if [[ "x$EMULATED_PPC" = "xno" ]]; then
414 gbeauche 1.17 EXTRASYSSRCS="Darwin/paranoia.cpp ppc_asm.S"
415 gbeauche 1.1 fi
416     if [[ "x$ac_cv_framework_IOKit" = "xyes" ]]; then
417     EXTRASYSSRCS="$EXTRASYSSRCS ../MacOSX/sys_darwin.cpp"
418     fi
419 gbeauche 1.6 if [[ "x$ac_cv_framework_Carbon" = "xyes" ]]; then
420     EXTFSSRC=../MacOSX/extfs_macosx.mm
421     fi
422 gbeauche 1.1 ;;
423 gbeauche 1.9 cygwin*)
424     SERIALSRC="../dummy/serial_dummy.cpp"
425     ;;
426 gbeauche 1.1 esac
427    
428     dnl SDL overrides
429     if [[ "x$WANT_SDL" = "xyes" ]]; then
430     AC_DEFINE(USE_SDL, 1, [Define to enble SDL support.])
431     fi
432     if [[ "x$WANT_SDL_VIDEO" = "xyes" ]]; then
433 gbeauche 1.7 AC_DEFINE(USE_SDL_VIDEO, 1, [Define to enable SDL video graphics support.])
434 gbeauche 1.1 VIDEOSRCS="../SDL/video_sdl.cpp"
435     KEYCODES="../SDL/keycodes"
436     if [[ "x$ac_cv_framework_Carbon" = "xyes" ]]; then
437     EXTRASYSSRCS="$EXTRASYSSRCS ../MacOSX/clip_macosx.cpp"
438     else
439 gbeauche 1.9 case "$target_os" in
440     cygwin*)
441     EXTRASYSSRCS="$EXTRASYSSRCS ../Windows/clip_windows.cpp"
442     ;;
443     *)
444     EXTRASYSSRCS="$EXTRASYSSRCS ../dummy/clip_dummy.cpp"
445     ;;
446     esac
447 gbeauche 1.1 fi
448     else
449     VIDEOSRCS="video_x.cpp"
450     KEYCODES="keycodes"
451     EXTRASYSSRCS="$EXTRASYSSRCS clip_unix.cpp"
452     fi
453 gbeauche 1.7 if [[ "x$WANT_SDL_AUDIO" = "xyes" ]]; then
454     AC_DEFINE(USE_SDL_AUDIO, 1, [Define to enable SDL audio support])
455     AUDIOSRC="../SDL/audio_sdl.cpp"
456     fi
457 gbeauche 1.1
458 gbeauche 1.11 SYSSRCS="$VIDEOSRCS $EXTFSSRC $SERIALSRC $ETHERSRC $SCSISRC $AUDIOSRC $SEMSRC $UISRCS $EXTRASYSSRCS"
459 gbeauche 1.1
460     dnl Define a macro that translates a yesno-variable into a C macro definition
461     dnl to be put into the config.h file
462     dnl $1 -- the macro to define
463     dnl $2 -- the value to translate
464     dnl $3 -- template name
465     AC_DEFUN(AC_TRANSLATE_DEFINE, [
466     if [[ "x$2" = "xyes" -o "x$2" = "xguessing yes" ]]; then
467     AC_DEFINE($1, 1, $3)
468     fi
469     ])
470    
471     dnl Check that the host supports TUN/TAP devices
472     AC_CACHE_CHECK([whether TUN/TAP is supported],
473     ac_cv_tun_tap_support, [
474     AC_TRY_COMPILE([
475     #if defined(HAVE_LINUX_IF_H) && defined(HAVE_LINUX_IF_TUN_H)
476     #include <linux/if.h>
477     #include <linux/if_tun.h>
478     #endif
479     #if defined(HAVE_NET_IF_H) && defined(HAVE_NET_IF_TUN_H)
480     #include <net/if.h>
481     #include <net/if_tun.h>
482     #endif
483     ], [
484     struct ifreq ifr;
485     memset(&ifr, 0, sizeof(ifr));
486     ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
487     ],
488     ac_cv_tun_tap_support=yes, ac_cv_tun_tap_support=no
489     )
490     ])
491     AC_TRANSLATE_DEFINE(ENABLE_TUNTAP, "$ac_cv_tun_tap_support",
492     [Define if your system supports TUN/TAP devices.])
493    
494     dnl Various checks if the system supports vm_allocate() and the like functions.
495     have_mach_vm=no
496     if [[ "x$ac_cv_func_vm_allocate" = "xyes" -a "x$ac_cv_func_vm_deallocate" = "xyes" -a \
497     "x$ac_cv_func_vm_protect" = "xyes" ]]; then
498     have_mach_vm=yes
499     fi
500     AC_TRANSLATE_DEFINE(HAVE_MACH_VM, "$have_mach_vm",
501     [Define if your system has a working vm_allocate()-based memory allocator.])
502    
503     dnl Check that vm_allocate(), vm_protect() work
504     if [[ "x$have_mach_vm" = "xyes" ]]; then
505    
506     AC_CACHE_CHECK([whether vm_protect works],
507     ac_cv_vm_protect_works, [
508     AC_LANG_SAVE
509     AC_LANG_CPLUSPLUS
510     ac_cv_vm_protect_works=yes
511     dnl First the tests that should segfault
512     for test_def in NONE_READ NONE_WRITE READ_WRITE; do
513     AC_TRY_RUN([
514     #define CONFIGURE_TEST_VM_MAP
515     #define TEST_VM_PROT_$test_def
516     #include "vm_alloc.cpp"
517     ], ac_cv_vm_protect_works=no, rm -f core,
518     dnl When cross-compiling, do not assume anything
519     ac_cv_vm_protect_works="guessing no"
520     )
521     done
522     AC_TRY_RUN([
523     #define CONFIGURE_TEST_VM_MAP
524     #define TEST_VM_PROT_RDWR_WRITE
525     #include "vm_alloc.cpp"
526     ], , ac_cv_vm_protect_works=no,
527     dnl When cross-compiling, do not assume anything
528     ac_cv_vm_protect_works="guessing no"
529     )
530     AC_LANG_RESTORE
531     ]
532     )
533    
534     dnl Remove support for vm_allocate() if vm_protect() does not work
535     if [[ "x$have_mach_vm" = "xyes" ]]; then
536     case $ac_cv_vm_protect_works in
537     *yes) have_mach_vm=yes;;
538     *no) have_mach_vm=no;;
539     esac
540     fi
541     AC_TRANSLATE_DEFINE(HAVE_MACH_VM, "$have_mach_vm",
542     [Define if your system has a working vm_allocate()-based memory allocator.])
543    
544     fi dnl HAVE_MACH_VM
545    
546     dnl Various checks if the system supports mmap() and the like functions.
547     dnl ... and Mach memory allocators are not supported
548     have_mmap_vm=no
549     if [[ "x$ac_cv_func_mmap" = "xyes" -a "x$ac_cv_func_munmap" = "xyes" -a \
550     "x$ac_cv_func_mprotect" = "xyes" ]]; then
551     if [[ "x$have_mach_vm" = "xno" ]]; then
552     have_mmap_vm=yes
553     fi
554     fi
555     AC_TRANSLATE_DEFINE(HAVE_MMAP_VM, "$have_mmap_vm",
556     [Define if your system has a working mmap()-based memory allocator.])
557    
558     dnl Check that mmap() and associated functions work.
559     if [[ "x$have_mmap_vm" = "xyes" ]]; then
560    
561     dnl Check if we have a working anonymous mmap()
562     AC_CACHE_CHECK([whether mmap supports MAP_ANON],
563     ac_cv_mmap_anon, [
564     AC_LANG_SAVE
565     AC_LANG_CPLUSPLUS
566     AC_TRY_RUN([
567     #define HAVE_MMAP_ANON
568     #define CONFIGURE_TEST_VM_MAP
569     #define TEST_VM_MMAP_ANON
570     #include "vm_alloc.cpp"
571     ], ac_cv_mmap_anon=yes, ac_cv_mmap_anon=no,
572     dnl When cross-compiling, do not assume anything.
573     ac_cv_mmap_anon="guessing no"
574     )
575     AC_LANG_RESTORE
576     ]
577     )
578     AC_TRANSLATE_DEFINE(HAVE_MMAP_ANON, "$ac_cv_mmap_anon",
579     [Define if <sys/mman.h> defines MAP_ANON and mmap()'ing with MAP_ANON works.])
580    
581     AC_CACHE_CHECK([whether mmap supports MAP_ANONYMOUS],
582     ac_cv_mmap_anonymous, [
583     AC_LANG_SAVE
584     AC_LANG_CPLUSPLUS
585     AC_TRY_RUN([
586     #define HAVE_MMAP_ANONYMOUS
587     #define CONFIGURE_TEST_VM_MAP
588     #define TEST_VM_MMAP_ANON
589     #include "vm_alloc.cpp"
590     ], ac_cv_mmap_anonymous=yes, ac_cv_mmap_anonymous=no,
591     dnl When cross-compiling, do not assume anything.
592     ac_cv_mmap_anonymous="guessing no"
593     )
594     AC_LANG_RESTORE
595     ]
596     )
597     AC_TRANSLATE_DEFINE(HAVE_MMAP_ANONYMOUS, "$ac_cv_mmap_anonymous",
598     [Define if <sys/mman.h> defines MAP_ANONYMOUS and mmap()'ing with MAP_ANONYMOUS works.])
599    
600     AC_CACHE_CHECK([whether mprotect works],
601     ac_cv_mprotect_works, [
602     AC_LANG_SAVE
603     AC_LANG_CPLUSPLUS
604     ac_cv_mprotect_works=yes
605     dnl First the tests that should segfault
606     for test_def in NONE_READ NONE_WRITE READ_WRITE; do
607     AC_TRY_RUN([
608     #define CONFIGURE_TEST_VM_MAP
609     #define TEST_VM_PROT_$test_def
610     #include "vm_alloc.cpp"
611     ], ac_cv_mprotect_works=no, rm -f core,
612     dnl When cross-compiling, do not assume anything
613     ac_cv_mprotect_works="guessing no"
614     )
615     done
616     AC_TRY_RUN([
617     #define CONFIGURE_TEST_VM_MAP
618     #define TEST_VM_PROT_RDWR_WRITE
619     #include "vm_alloc.cpp"
620     ], , ac_cv_mprotect_works=no,
621     dnl When cross-compiling, do not assume anything
622     ac_cv_mprotect_works="guessing no"
623     )
624     AC_LANG_RESTORE
625     ]
626     )
627    
628     dnl Remove support for mmap() if mprotect() does not work
629     if [[ "x$have_mmap_vm" = "xyes" ]]; then
630     case $ac_cv_mprotect_works in
631     *yes) have_mmap_vm=yes;;
632     *no) have_mmap_vm=no;;
633     esac
634     fi
635     AC_TRANSLATE_DEFINE(HAVE_MMAP_VM, $have_mmap_vm,
636     [Define if your system has a working mmap()-based memory allocator.])
637    
638     fi dnl HAVE_MMAP_VM
639    
640     dnl Check if we can modify the __PAGEZERO segment for use as Low Memory
641     AC_CACHE_CHECK([whether __PAGEZERO can be Low Memory area 0x0000-0x3000],
642     ac_cv_pagezero_hack, [
643     ac_cv_pagezero_hack=no
644     if AC_TRY_COMMAND([Darwin/testlmem.sh 0x3000]); then
645     ac_cv_pagezero_hack=yes
646     dnl might as well skip the test for mmap-able low memory
647     ac_cv_can_map_lm=no
648     fi
649     ])
650     AC_TRANSLATE_DEFINE(PAGEZERO_HACK, "$ac_cv_pagezero_hack",
651     [Define if the __PAGEZERO Mach-O Low Memory Globals hack works on this system.])
652    
653     dnl Check if we can mmap 0x3000 bytes from 0x0000
654     AC_CACHE_CHECK([whether we can map Low Memory area 0x0000-0x3000],
655     ac_cv_can_map_lm, [
656     AC_LANG_SAVE
657     AC_LANG_CPLUSPLUS
658     AC_TRY_RUN([
659     #include "vm_alloc.cpp"
660     int main(void) { /* returns 0 if we could map the lowmem globals */
661     volatile char * lm = 0;
662     if (vm_init() < 0) exit(1);
663     if (vm_acquire_fixed(0, 0x2000) < 0) exit(1);
664     lm[0] = 'z';
665     if (vm_release((char *)lm, 0x2000) < 0) exit(1);
666     vm_exit(); exit(0);
667     }
668     ], ac_cv_can_map_lm=yes, ac_cv_can_map_lm=no,
669     dnl When cross-compiling, do not assume anything.
670     ac_cv_can_map_lm="guessing no"
671     )
672     AC_LANG_RESTORE
673     ]
674     )
675    
676     dnl Check signal handlers need to be reinstalled
677     AC_CACHE_CHECK([whether signal handlers need to be reinstalled],
678     ac_cv_signal_need_reinstall, [
679     AC_LANG_SAVE
680     AC_LANG_CPLUSPLUS
681     AC_TRY_RUN([
682     #include <stdlib.h>
683     #ifdef HAVE_UNISTD_H
684     #include <unistd.h>
685     #endif
686     #include <signal.h>
687     static int handled_signal = 0;
688     RETSIGTYPE sigusr1_handler(int) { handled_signal++; }
689     int main(void) { /* returns 0 if signals need not to be reinstalled */
690     signal(SIGUSR1, sigusr1_handler); raise(SIGUSR1); raise(SIGUSR1);
691     exit(handled_signal == 2);
692     }
693     ], ac_cv_signal_need_reinstall=yes, ac_cv_signal_need_reinstall=no,
694     dnl When cross-compiling, do not assume anything.
695     ac_cv_signal_need_reinstall="guessing yes"
696     )
697     AC_LANG_RESTORE
698     ]
699     )
700     AC_TRANSLATE_DEFINE(SIGNAL_NEED_REINSTALL, "$ac_cv_signal_need_reinstall",
701     [Define if your system requires signals to be reinstalled.])
702    
703     dnl Check if sigaction handlers need to be reinstalled
704     AC_CACHE_CHECK([whether sigaction handlers need to be reinstalled],
705     ac_cv_sigaction_need_reinstall, [
706     AC_LANG_SAVE
707     AC_LANG_CPLUSPLUS
708     AC_TRY_RUN([
709     #include <stdlib.h>
710     #ifdef HAVE_UNISTD_H
711     #include <unistd.h>
712     #endif
713     #include <signal.h>
714     static int handled_signal = 0;
715     RETSIGTYPE sigusr1_handler(int) { handled_signal++; }
716     typedef RETSIGTYPE (*signal_handler)(int);
717     static signal_handler mysignal(int sig, signal_handler handler) {
718     struct sigaction old_sa;
719     struct sigaction new_sa;
720     new_sa.sa_handler = handler;
721     return ((sigaction(sig,&new_sa,&old_sa) < 0) ? SIG_IGN : old_sa.sa_handler);
722     }
723     int main(void) { /* returns 0 if signals need not to be reinstalled */
724     mysignal(SIGUSR1, sigusr1_handler); raise(SIGUSR1); raise(SIGUSR1);
725     exit(handled_signal == 2);
726     }
727     ], ac_cv_sigaction_need_reinstall=yes, ac_cv_sigaction_need_reinstall=no,
728     dnl When cross-compiling, do not assume anything.
729     ac_cv_sigaction_need_reinstall="guessing yes"
730     )
731     AC_LANG_RESTORE
732     ]
733     )
734     AC_TRANSLATE_DEFINE(SIGACTION_NEED_REINSTALL, "$ac_cv_sigaction_need_reinstall",
735     [Define if your system requires sigactions to be reinstalled.])
736    
737     dnl Check if Mach exceptions supported.
738     AC_CACHE_CHECK([whether your system supports Mach exceptions],
739     ac_cv_have_mach_exceptions, [
740     AC_LANG_SAVE
741     AC_LANG_CPLUSPLUS
742     AC_TRY_RUN([
743     #define HAVE_MACH_EXCEPTIONS 1
744     #define CONFIGURE_TEST_SIGSEGV_RECOVERY
745     #include "vm_alloc.cpp"
746     #include "sigsegv.cpp"
747     ],
748     ac_cv_have_mach_exceptions=yes,
749     ac_cv_have_mach_exceptions=no,
750     dnl When cross-compiling, do not assume anything.
751     ac_cv_have_mach_exceptions=no
752     )
753     AC_LANG_RESTORE
754     ]
755     )
756     if [[ "$ac_cv_have_mach_exceptions" = "yes" ]]; then
757     sigsegv_recovery=mach
758     fi
759     AC_TRANSLATE_DEFINE(HAVE_MACH_EXCEPTIONS, "$ac_cv_have_mach_exceptions",
760     [Define if your system supports Mach exceptions.])
761    
762 gbeauche 1.9 dnl Check if Windows exceptions are supported.
763     AC_CACHE_CHECK([whether your system supports Windows exceptions],
764     ac_cv_have_win32_exceptions, [
765     AC_LANG_SAVE
766     AC_LANG_CPLUSPLUS
767     AC_TRY_RUN([
768     #define HAVE_WIN32_EXCEPTIONS 1
769     #define CONFIGURE_TEST_SIGSEGV_RECOVERY
770     #include "vm_alloc.cpp"
771     #include "sigsegv.cpp"
772     ], [
773     sigsegv_recovery=win32
774     ac_cv_have_win32_exceptions=yes
775     ],
776     ac_cv_have_win32_exceptions=no,
777     dnl When cross-compiling, do not assume anything.
778     ac_cv_have_win32_exceptions=no
779     )
780     AC_LANG_RESTORE
781     ]
782     )
783     AC_TRANSLATE_DEFINE(HAVE_WIN32_EXCEPTIONS, "$ac_cv_have_win32_exceptions",
784     [Define if your system supports Windows exceptions.])
785    
786 gbeauche 1.1 dnl Otherwise, check if extended signals are supported.
787     if [[ -z "$sigsegv_recovery" ]]; then
788     AC_CACHE_CHECK([whether your system supports extended signal handlers],
789     ac_cv_have_extended_signals, [
790     AC_LANG_SAVE
791     AC_LANG_CPLUSPLUS
792     AC_TRY_RUN([
793     #define HAVE_SIGINFO_T 1
794     #define CONFIGURE_TEST_SIGSEGV_RECOVERY
795     #include "vm_alloc.cpp"
796     #include "sigsegv.cpp"
797     ],
798     ac_cv_have_extended_signals=yes,
799     ac_cv_have_extended_signals=no,
800     dnl When cross-compiling, do not assume anything.
801     ac_cv_have_extended_signals=no
802     )
803     AC_LANG_RESTORE
804     ]
805     )
806     if [[ "$ac_cv_have_extended_signals" = "yes" ]]; then
807     sigsegv_recovery=siginfo
808     fi
809     AC_TRANSLATE_DEFINE(HAVE_SIGINFO_T, "$ac_cv_have_extended_signals",
810     [Define if your system support extended signals.])
811     fi
812    
813     dnl Otherwise, check for subterfuges.
814     if [[ -z "$sigsegv_recovery" ]]; then
815     AC_CACHE_CHECK([whether we then have a subterfuge for your system],
816     ac_cv_have_sigcontext_hack, [
817     AC_LANG_SAVE
818     AC_LANG_CPLUSPLUS
819     AC_TRY_RUN([
820     #define HAVE_SIGCONTEXT_SUBTERFUGE 1
821     #define CONFIGURE_TEST_SIGSEGV_RECOVERY
822     #include "vm_alloc.cpp"
823     #include "sigsegv.cpp"
824     ],
825     ac_cv_have_sigcontext_hack=yes,
826     ac_cv_have_sigcontext_hack=no,
827     dnl When cross-compiling, do not assume anything.
828     ac_cv_have_sigcontext_hack=no
829     )
830     AC_LANG_RESTORE
831     ])
832     if [[ "$ac_cv_have_sigcontext_hack" = "yes" ]]; then
833     sigsegv_recovery=sigcontext
834     fi
835     AC_TRANSLATE_DEFINE(HAVE_SIGCONTEXT_SUBTERFUGE, "$ac_cv_have_sigcontext_hack",
836     [Define if we know a hack to replace siginfo_t->si_addr member.])
837     fi
838    
839     dnl Check if we can ignore the fault (instruction skipping in SIGSEGV handler)
840     AC_CACHE_CHECK([whether we can skip instruction in SIGSEGV handler],
841     ac_cv_have_skip_instruction, [
842     AC_LANG_SAVE
843     AC_LANG_CPLUSPLUS
844     AC_TRY_RUN([
845     #define HAVE_SIGSEGV_SKIP_INSTRUCTION 1
846     #define CONFIGURE_TEST_SIGSEGV_RECOVERY
847     #include "vm_alloc.cpp"
848     #include "sigsegv.cpp"
849     ], ac_cv_have_skip_instruction=yes, ac_cv_have_skip_instruction=no,
850     dnl When cross-compiling, do not assume anything.
851     ac_cv_have_skip_instruction=no
852     )
853     AC_LANG_RESTORE
854     ]
855     )
856     AC_TRANSLATE_DEFINE(HAVE_SIGSEGV_SKIP_INSTRUCTION, "$ac_cv_have_skip_instruction",
857     [Define if we can ignore the fault (instruction skipping in SIGSEGV handler).])
858    
859     dnl Can we do Video on SEGV Signals ?
860     CAN_VOSF=no
861     if [[ -n "$sigsegv_recovery" ]]; then
862     CAN_VOSF=yes
863     fi
864    
865     dnl Enable VOSF screen updates with this feature is requested and feasible
866     if [[ "x$WANT_VOSF" = "xyes" -a "x$CAN_VOSF" = "xyes" ]]; then
867     AC_DEFINE(ENABLE_VOSF, 1, [Define if using video enabled on SEGV signals.])
868     else
869     WANT_VOSF=no
870     fi
871    
872 gbeauche 1.8 dnl Check addressing mode to use
873     AC_MSG_CHECKING([for addressing mode to use])
874 gbeauche 1.9 case "$os_target" in
875     cygwin*)
876     WANT_ADDRESSING_MODE="direct,cygwin-hack"
877     NATMEM_OFFSET=
878     ;;
879     esac
880 gbeauche 1.8 if [[ "$EMULATED_PPC" != "yes" ]]; then
881     if [[ "$WANT_ADDRESSING_MODE" != "real" ]]; then
882     AC_MSG_WARN([Running in native PowerPC mode, force use of Real Addressing.])
883     WANT_ADDRESSING_MODE="real"
884     fi
885     fi
886     if [[ "$WANT_ADDRESSING_MODE" = "direct" ]]; then
887     if [[ -n "$NATMEM_OFFSET" ]]; then
888     NATMEM_OFFSET_DEF="-DNATMEM_OFFSET=$NATMEM_OFFSET"
889     fi
890     AC_LANG_SAVE
891     AC_LANG_CPLUSPLUS
892     cat confdefs.h > conftest.$ac_ext
893     cat >> conftest.$ac_ext << EOF
894     #include <stdio.h>
895     #include <string.h>
896     #include "vm_alloc.cpp"
897    
898     int main(void)
899     {
900     if (vm_init() < 0)
901     return 1;
902    
903     static const struct {
904     unsigned long base;
905     unsigned int size;
906     } ranges[[]] = {
907     { 0x00000000, 0x0003000 },
908     { 0x10000000, 0x2000000 },
909     { 0x40800000, 0x0400000 },
910     { 0x68070000, 0x0010000 },
911     { 0x69000000, 0x0080000 },
912     { 0x68ffe000, 0x0002000 },
913     { 0x5fffe000, 0x0002000 },
914     { 0x60000000, 0x0040000 },
915     };
916     const int n_ranges = sizeof(ranges)/ sizeof(ranges[[0]]);
917    
918     #ifdef NATMEM_OFFSET
919     unsigned long ofs = NATMEM_OFFSET;
920     #else
921     for (unsigned long ofs = 0x10000000; ofs <= 0x90000000; ofs += 0x10000000)
922     #endif
923     for (int i = 0; i < n_ranges; i++) {
924     char *m = (char *)(ranges[[i]].base + ofs);
925     if (vm_acquire_fixed(m, ranges[[i]].size) != 0)
926     break;
927     memset(m, 0, ranges[[i]].size);
928     vm_release(m, ranges[[i]].size);
929     if (i == n_ranges - 1) {
930 gbeauche 1.13 if (sizeof(void *) == 8 && ofs > 0xffffffff)
931     printf("0x%lxul\n", ofs);
932     else
933     printf("0x%08x\n", ofs);
934 gbeauche 1.8 return 0;
935     }
936     }
937    
938     vm_exit();
939     return 1;
940     }
941     EOF
942     doit='$CXX conftest.$ac_ext -o conftest.$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS $LIBS $NATMEM_OFFSET_DEF >& AS_MESSAGE_LOG_FD'
943     if AC_TRY_EVAL(doit); then
944     NATMEM_OFFSET=`./conftest.$ac_exeext`
945 gbeauche 1.9 else
946     NATMEM_OFFSET=
947 gbeauche 1.8 fi
948     rm -f conftest*
949     AC_LANG_RESTORE
950 gbeauche 1.9
951     if [[ -z "$NATMEM_OFFSET" ]]; then
952     AC_MSG_ERROR([could not determine a sensible NATMEM_OFFSET value])
953     else
954     WANT_ADDRESSING_MODE="direct,$NATMEM_OFFSET"
955     AC_DEFINE_UNQUOTED(NATMEM_OFFSET, $NATMEM_OFFSET,
956     [Define constant offset for Mac address translation])
957     fi
958 gbeauche 1.8 fi
959     AC_MSG_RESULT($WANT_ADDRESSING_MODE)
960    
961 gbeauche 1.1 dnl Platform specific binary postprocessor
962     AC_PATH_PROG(BLESS, "true")
963     if [[ "x$ac_cv_pagezero_hack" = "xyes" ]]; then
964     BLESS=Darwin/lowmem
965     LDFLAGS="$LDFLAGS -pagezero_size 0x3000"
966     fi
967    
968     dnl Check for GCC 2.7 or higher.
969     HAVE_GCC27=no
970     AC_MSG_CHECKING(for GCC 2.7 or higher)
971     AC_EGREP_CPP(xyes,
972     [#if __GNUC__ - 1 > 1 || __GNUC_MINOR__ - 1 > 5
973     xyes
974     #endif
975     ], [AC_MSG_RESULT(yes); HAVE_GCC27=yes], AC_MSG_RESULT(no))
976    
977     dnl Check for GCC 3.0 or higher.
978     HAVE_GCC30=no
979     AC_MSG_CHECKING(for GCC 3.0 or higher)
980     AC_EGREP_CPP(xyes,
981     [#if __GNUC__ >= 3
982     xyes
983     #endif
984     ], [AC_MSG_RESULT(yes); HAVE_GCC30=yes], AC_MSG_RESULT(no))
985    
986     dnl Check for ICC.
987     AC_MSG_CHECKING(for ICC)
988     HAVE_ICC=no
989     if $CXX -V -v 2>&1 | grep -q "Intel(R) C++ Compiler"; then
990     HAVE_ICC=yes
991     fi
992     AC_MSG_RESULT($HAVE_ICC)
993    
994 gbeauche 1.9 dnl Determine the generated object format
995 gbeauche 1.1 AC_CACHE_CHECK([whether the compiler can generate ELF objects],
996 gbeauche 1.9 ac_cv_object_format, [
997 gbeauche 1.1 echo 'int i;' > conftest.$ac_ext
998 gbeauche 1.9 ac_cv_object_format=no
999 gbeauche 1.1 if AC_TRY_EVAL(ac_compile); then
1000     case `/usr/bin/file conftest.$ac_objext` in
1001     *"ELF"*)
1002 gbeauche 1.9 ac_cv_object_format=elf
1003     ;;
1004     *)
1005     ac_cv_object_format=unknown
1006 gbeauche 1.1 ;;
1007     esac
1008     fi
1009     rm -rf conftest*
1010     ])
1011    
1012     dnl CPU emulator sources
1013     if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1014     CPUSRCS="\
1015 gbeauche 1.9 ../kpx_cpu/src/mathlib/ieeefp.cpp \
1016 gbeauche 1.1 ../kpx_cpu/src/cpu/ppc/ppc-cpu.cpp \
1017     ../kpx_cpu/src/cpu/ppc/ppc-decode.cpp \
1018     ../kpx_cpu/src/cpu/ppc/ppc-execute.cpp \
1019     ../kpx_cpu/src/cpu/ppc/ppc-translate.cpp"
1020     CPPFLAGS="$CPPFLAGS -I../kpx_cpu/include -I../kpx_cpu/src"
1021    
1022     dnl Enable JIT compiler, if possible
1023     if [[ "x$WANT_JIT" = "xyes" ]]; then
1024     AC_CACHE_CHECK([whether dyngen can be used],
1025     ac_cv_use_dyngen, [
1026 gbeauche 1.9 case $host_cpu:$ac_cv_object_format in
1027     powerpc:elf)
1028 gbeauche 1.1 ac_cv_use_dyngen=yes
1029     ;;
1030 gbeauche 1.9 x86_64:elf)
1031 gbeauche 1.1 ac_cv_use_dyngen=yes
1032     ;;
1033 gbeauche 1.9 i?86:elf)
1034 gbeauche 1.1 ac_cv_use_dyngen=yes
1035     ;;
1036     *:*)
1037     ac_cv_use_dyngen=no
1038     ;;
1039     esac
1040     dnl Check for a suitable synthetic opcodes compiler (icc is faking itself as gcc 3.2.2)
1041     if [[ -z "$DYNGEN_CC" ]]; then
1042     if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_ICC" = "xno" ]]; then
1043     DYNGEN_CC=$CXX
1044     else
1045     for p in /usr/bin /usr/local/bin; do
1046     gxx="$p/g++"
1047     if [[ -x "$gxx" ]]; then
1048     DYNGEN_CC="$gxx"
1049     fi
1050     done
1051     fi
1052     fi
1053     if [[ -z "$DYNGEN_CC" ]] || ! { echo '#include <limits>' | $DYNGEN_CC -xc++ -c -o /dev/null - >& /dev/null; }; then
1054     ac_cv_use_dyngen=no
1055     fi
1056     ])
1057     if [[ "x$ac_cv_use_dyngen" = "xyes" ]]; then
1058     case $host_cpu in
1059     i?86)
1060     DYNGEN_OP_FLAGS="-fomit-frame-pointer -mpreferred-stack-boundary=2"
1061     if [[ "x$HAVE_GCC30" = "xyes" ]]; then
1062     DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -falign-functions=0"
1063     else
1064     DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -malign-functions=0"
1065     fi
1066     saved_CPPFLAGS=$CPPFLAGS
1067     CPPFLAGS="$CPPFLAGS -mmmx"
1068     AC_CHECK_HEADERS(mmintrin.h, [DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -mmmx"])
1069     CPPFLAGS="$CPPFLAGS -msse"
1070     AC_CHECK_HEADERS(xmmintrin.h, [DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -msse"])
1071     CPPFLAGS="$CPPFLAGS -msse2"
1072     AC_CHECK_HEADERS(emmintrin.h, [DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -msse2"])
1073     CPPFLAGS=$saved_CPPFLAGS
1074     ;;
1075     x86_64)
1076     AC_CHECK_HEADERS(mmintrin.h xmmintrin.h emmintrin.h)
1077     ;;
1078     esac
1079 gbeauche 1.16 DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -finline-limit=10000 -g0"
1080 gbeauche 1.1 if [[ "x$HAVE_GCC30" = "xyes" ]]; then
1081     DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -fno-reorder-blocks -fno-optimize-sibling-calls"
1082     fi
1083     else
1084     WANT_JIT=no
1085     fi
1086     AC_TRANSLATE_DEFINE(ENABLE_DYNGEN, $ac_cv_use_dyngen, [Define to enable dyngen engine])
1087     if [[ "x$WANT_JIT" = "xyes" ]]; then
1088     DYNGENSRCS="\
1089     ../kpx_cpu/src/cpu/jit/dyngen.c \
1090     ../kpx_cpu/src/cpu/jit/cxxdemangle.cpp"
1091     CPUSRCS="\
1092     ../kpx_cpu/src/cpu/jit/jit-cache.cpp \
1093     ../kpx_cpu/src/cpu/jit/basic-dyngen.cpp \
1094     ../kpx_cpu/src/cpu/ppc/ppc-dyngen.cpp $CPUSRCS"
1095     fi
1096     fi
1097     CPUSRCS="$CPUSRCS ../kpx_cpu/sheepshaver_glue.cpp"
1098     else
1099     WANT_JIT=no
1100     fi
1101     if [[ "x$ac_cv_use_dyngen" = "xyes" ]]; then
1102     AC_CACHE_CHECK([whether static data regions are executable],
1103     ac_cv_have_static_data_exec, [
1104     AC_TRY_RUN([int main(void) {
1105     #if defined(__powerpc__)
1106     static unsigned int p[8] = {0x4e800020,};
1107     asm volatile("dcbst 0,%0" : : "r" (p) : "memory");
1108     asm volatile("sync" : : : "memory");
1109     asm volatile("icbi 0,%0" : : "r" (p) : "memory");
1110     asm volatile("sync" : : : "memory");
1111     asm volatile("isync" : : : "memory");
1112     ((void (*)(void))p)();
1113     return 0;
1114     #endif
1115     return 1;
1116     }], ac_cv_have_static_data_exec=yes, ac_cv_have_static_data_exec=no,
1117     dnl When cross-compiling, do not assume anything.
1118     ac_cv_have_static_data_exec=no
1119     )
1120     ])
1121 gbeauche 1.14 else
1122     ac_cv_use_dyngen=no
1123 gbeauche 1.1 fi
1124     AC_TRANSLATE_DEFINE(HAVE_STATIC_DATA_EXEC, "$ac_cv_have_static_data_exec",
1125     [Define if your system marks static data pages as executable.])
1126    
1127     if [[ "x$WANT_JIT" = "xyes" ]]; then
1128     CPPFLAGS="$CPPFLAGS -DUSE_JIT"
1129     fi
1130    
1131     dnl Generate Makefile.
1132 gbeauche 1.16 AC_SUBST(PERL)
1133 gbeauche 1.14 AC_SUBST(USE_DYNGEN, [$ac_cv_use_dyngen])
1134 gbeauche 1.1 AC_SUBST(DYNGENSRCS)
1135     AC_SUBST(DYNGEN_CC)
1136     AC_SUBST(DYNGEN_OP_FLAGS)
1137     AC_SUBST(SYSSRCS)
1138     AC_SUBST(CPUSRCS)
1139     AC_SUBST(BLESS)
1140     AC_SUBST(KEYCODES)
1141 gbeauche 1.5 AC_OUTPUT([
1142     Makefile
1143     ../MacOSX/Info.plist
1144     ])
1145 gbeauche 1.1
1146     dnl Print summary.
1147     echo
1148     echo SheepShaver configuration summary:
1149     echo
1150     echo SDL support ...................... : $SDL_SUPPORT
1151     echo XFree86 DGA support .............. : $WANT_XF86_DGA
1152     echo XFree86 VidMode support .......... : $WANT_XF86_VIDMODE
1153     echo Using PowerPC emulator ........... : $EMULATED_PPC
1154     echo Enable JIT compiler .............. : $WANT_JIT
1155     echo Enable video on SEGV signals ..... : $WANT_VOSF
1156     echo ESD sound support ................ : $WANT_ESD
1157     echo GTK user interface ............... : $WANT_GTK
1158     echo mon debugger support ............. : $WANT_MON
1159 gbeauche 1.8 echo Addressing mode .................. : $WANT_ADDRESSING_MODE
1160 gbeauche 1.1 echo Bad memory access recovery type .. : $sigsegv_recovery
1161     echo
1162     echo "Configuration done. Now type \"make\"."