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root/cebix/BasiliskII/src/Unix/configure.ac
Revision: 1.63
Committed: 2006-03-14T22:14:13Z (18 years, 7 months ago) by gbeauche
Branch: MAIN
Changes since 1.62: +1 -0 lines
Log Message:
Link with AppKit framework on MacOS X. This should enable X11 builds when
there is no SDL available (suggested by Dara Hazeghi)

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 et al.
3    
4 cebix 1.16 AC_INIT([Basilisk II], 1.0, [Christian.Bauer@uni-mainz.de], BasiliskII)
5     AC_CONFIG_SRCDIR(main_unix.cpp)
6 gbeauche 1.1 AC_PREREQ(2.52)
7     AC_CONFIG_HEADER(config.h)
8    
9 gbeauche 1.19 dnl Aliases for PACKAGE and VERSION macros.
10 gbeauche 1.22 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE_NAME", [Define this program name.])
11     AC_DEFINE_UNQUOTED(VERSION, "$PACKAGE_VERSION", [Define this program version.])
12 gbeauche 1.19
13 gbeauche 1.21 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 1.5 dnl Video options.
18 gbeauche 1.1 AC_ARG_ENABLE(xf86-dga, [ --enable-xf86-dga use the XFree86 DGA extension [default=yes]], [WANT_XF86_DGA=$enableval], [WANT_XF86_DGA=yes])
19     AC_ARG_ENABLE(xf86-vidmode, [ --enable-xf86-vidmode use the XFree86 VidMode extension [default=yes]], [WANT_XF86_VIDMODE=$enableval], [WANT_XF86_VIDMODE=yes])
20     AC_ARG_ENABLE(fbdev-dga, [ --enable-fbdev-dga use direct frame buffer access via /dev/fb [default=yes]], [WANT_FBDEV_DGA=$enableval], [WANT_FBDEV_DGA=yes])
21     AC_ARG_ENABLE(vosf, [ --enable-vosf enable video on SEGV signals [default=yes]], [WANT_VOSF=$enableval], [WANT_VOSF=yes])
22    
23 gbeauche 1.26 dnl SDL options.
24 gbeauche 1.41 AC_ARG_ENABLE(sdl-static, [ --enable-sdl-static use SDL static libraries for linking [default=no]], [WANT_SDL_STATIC=$enableval], [WANT_SDL_STATIC=no])
25 gbeauche 1.26 AC_ARG_ENABLE(sdl-video, [ --enable-sdl-video use SDL for video graphics [default=no]], [WANT_SDL_VIDEO=$enableval], [WANT_SDL_VIDEO=no])
26 gbeauche 1.31 AC_ARG_ENABLE(sdl-audio, [ --enable-sdl-audio use SDL for audio [default=no]], [WANT_SDL_AUDIO=$enableval], [WANT_SDL_AUDIO=no])
27 gbeauche 1.26
28 gbeauche 1.5 dnl JIT compiler options.
29     AC_ARG_ENABLE(jit-compiler, [ --enable-jit-compiler enable JIT compiler [default=no]], [WANT_JIT=$enableval], [WANT_JIT=no])
30     AC_ARG_ENABLE(jit-debug, [ --enable-jit-debug activate native code disassemblers [default=no]], [WANT_JIT_DEBUG=$enableval], [WANT_JIT_DEBUG=no])
31    
32 gbeauche 1.1 dnl FPU emulation core.
33     AC_ARG_ENABLE(fpe,
34     [ --enable-fpe=FPE specify which fpu emulator to use [default=auto]],
35     [ case "$enableval" in
36     dnl default is always ieee, if architecture has this fp format
37     auto) FPE_CORE_TEST_ORDER="ieee uae";;
38     ieee) FPE_CORE_TEST_ORDER="ieee";;
39     uae) FPE_CORE_TEST_ORDER="uae";;
40     x86) FPE_CORE_TEST_ORDER="x86";;
41     *) AC_MSG_ERROR([--enable-fpe takes only one of the following values: auto, x86, ieee, uae]);;
42     esac
43     ],
44     [ FPE_CORE_TEST_ORDER="ieee uae"
45     ])
46    
47     dnl Addressing modes.
48     AC_ARG_ENABLE(addressing,
49     [ --enable-addressing=AM specify the addressing mode to use [default=fastest]],
50     [ case "$enableval" in
51     real) ADDRESSING_TEST_ORDER="real";;
52     direct) ADDRESSING_TEST_ORDER="direct";;
53     banks) ADDRESSING_TEST_ORDER="banks";;
54     fastest)ADDRESSING_TEST_ORDER="direct banks";;
55     *) AC_MSG_ERROR([--enable-addressing takes only one of the following values: fastest, real, direct, banks]);;
56     esac
57     ],
58     [ ADDRESSING_TEST_ORDER="direct banks"
59     ])
60    
61     dnl External packages.
62     AC_ARG_WITH(esd, [ --with-esd support ESD for sound under Linux/FreeBSD [default=yes]], [WANT_ESD=$withval], [WANT_ESD=yes])
63 gbeauche 1.49 AC_ARG_WITH(gtk, [ --with-gtk use GTK user interface [default=yes]],
64     [case "$withval" in
65     gtk1) WANT_GTK="gtk";;
66     gtk|gtk2) WANT_GTK="$withval";;
67     yes) WANT_GTK="gtk2 gtk";;
68     *) WANT_GTK="no";;
69     esac],
70     [WANT_GTK="gtk2 gtk"])
71 gbeauche 1.1 AC_ARG_WITH(mon, [ --with-mon use mon as debugger [default=yes]], [WANT_MON=$withval], [WANT_MON=yes])
72    
73     dnl Canonical system information.
74     AC_CANONICAL_HOST
75     AC_CANONICAL_TARGET
76    
77     dnl Target OS type (target is host if not cross-compiling).
78     case "$target_os" in
79     linux*) OS_TYPE=linux;;
80     netbsd*) OS_TYPE=netbsd;;
81     freebsd*) OS_TYPE=freebsd;;
82     solaris*) OS_TYPE=solaris;;
83     darwin*) OS_TYPE=darwin;;
84     *) OS_TYPE=`echo $target_os | sed -e 's/-/_/g' | sed -e 's/\./_/g'`;;
85     esac
86     DEFINES="$DEFINES -DOS_$OS_TYPE"
87    
88     dnl Target CPU type.
89     HAVE_I386=no
90     HAVE_M68K=no
91     HAVE_SPARC=no
92     HAVE_POWERPC=no
93 gbeauche 1.13 HAVE_X86_64=no
94 gbeauche 1.1 case "$target_cpu" in
95 gbeauche 1.12 i386* | i486* | i586* | i686* | i786* ) HAVE_I386=yes;;
96     m68k* ) HAVE_M68K=yes;;
97     sparc* ) HAVE_SPARC=yes;;
98     powerpc* ) HAVE_POWERPC=yes;;
99 gbeauche 1.13 x86_64* ) HAVE_X86_64=yes;;
100 gbeauche 1.1 esac
101    
102     dnl Checks for programs.
103     AC_PROG_CC
104     AC_PROG_CC_C_O
105     AC_PROG_CPP
106     AC_PROG_CXX
107     AC_PROG_MAKE_SET
108     AC_PROG_INSTALL
109 gbeauche 1.36 AC_PROG_EGREP
110 gbeauche 1.1
111     dnl We use mon if possible.
112     MONSRCS=
113     if [[ "x$WANT_MON" = "xyes" ]]; then
114     AC_MSG_CHECKING(for mon)
115     mon_srcdir=../../../mon/src
116     if grep mon_init $mon_srcdir/mon.h >/dev/null 2>/dev/null; then
117     AC_MSG_RESULT(yes)
118     AC_DEFINE(ENABLE_MON, 1, [Define if using "mon".])
119     MONSRCS="$mon_srcdir/mon.cpp $mon_srcdir/mon_6502.cpp $mon_srcdir/mon_z80.cpp $mon_srcdir/mon_cmd.cpp $mon_srcdir/mon_disass.cpp $mon_srcdir/mon_ppc.cpp $mon_srcdir/mon_lowmem.cpp $mon_srcdir/disass/floatformat.c $mon_srcdir/disass/i386-dis.c $mon_srcdir/disass/m68k-dis.c $mon_srcdir/disass/m68k-opc.c"
120     CXXFLAGS="$CXXFLAGS -I$mon_srcdir -I$mon_srcdir/disass"
121     AC_CHECK_LIB(ncurses, tgetent, ,
122     AC_CHECK_LIB(termcap, tgetent, ,
123     AC_CHECK_LIB(termlib, tgetent, ,
124     AC_CHECK_LIB(terminfo, tgetent, ,
125     AC_CHECK_LIB(Hcurses, tgetent, ,
126     AC_CHECK_LIB(curses, tgetent))))))
127     AC_CHECK_LIB(readline, readline)
128     else
129     AC_MSG_RESULT(no)
130     AC_MSG_WARN([Could not find mon, ignoring --with-mon.])
131     WANT_MON=no
132     fi
133     fi
134    
135     dnl Checks for libraries.
136     AC_CHECK_LIB(posix4, sem_init)
137     AC_CHECK_LIB(rt, timer_create)
138 gbeauche 1.34 AC_CHECK_LIB(rt, shm_open)
139 gbeauche 1.56 AC_CHECK_LIB(m, cos)
140 gbeauche 1.1
141 gbeauche 1.26 dnl Do we need SDL?
142     WANT_SDL=no
143     if [[ "x$WANT_SDL_VIDEO" = "xyes" ]]; then
144     WANT_SDL=yes
145     WANT_XF86_DGA=no
146     WANT_XF86_VIDMODE=no
147     WANT_FBDEV_DGA=no
148 gbeauche 1.31 SDL_SUPPORT="$SDL_SUPPORT video"
149     fi
150     if [[ "x$WANT_SDL_AUDIO" = "xyes" ]]; then
151     WANT_SDL=yes
152     SDL_SUPPORT="$SDL_SUPPORT audio"
153 gbeauche 1.26 fi
154     if [[ "x$WANT_SDL" = "xyes" ]]; then
155     AC_PATH_PROG(sdl_config, "sdl-config")
156     if [[ -n "$sdl_config" ]]; then
157 gbeauche 1.36 case $target_os in
158     # Special treatment for Cygwin so that we can still use the POSIX layer
159     *cygwin*)
160     sdl_cflags="-I`$sdl_config --prefix`/include/SDL"
161     sdl_libs="-L`$sdl_config --exec-prefix`/lib -lSDL"
162     ;;
163     *)
164     sdl_cflags=`$sdl_config --cflags`
165 gbeauche 1.41 if [[ "x$WANT_SDL_STATIC" = "xyes" ]]; then
166     sdl_libs=`$sdl_config --static-libs`
167     else
168     sdl_libs=`$sdl_config --libs`
169     fi
170 gbeauche 1.36 ;;
171     esac
172 gbeauche 1.26 CFLAGS="$CFLAGS $sdl_cflags"
173     CXXFLAGS="$CXXFLAGS $sdl_cflags"
174     LIBS="$LIBS $sdl_libs"
175     else
176     WANT_SDL=no
177     fi
178 gbeauche 1.31 SDL_SUPPORT=`echo "$SDL_SUPPORT" | sed -e "s/^ //"`
179     else
180     SDL_SUPPORT="none"
181 gbeauche 1.26 fi
182    
183     dnl We need X11, if not using SDL.
184     if [[ "x$WANT_SDL" = "xno" ]]; then
185     AC_PATH_XTRA
186     if [[ "x$no_x" = "xyes" ]]; then
187     AC_MSG_ERROR([You need X11 to run Basilisk II.])
188     fi
189     CFLAGS="$CFLAGS $X_CFLAGS"
190     CXXFLAGS="$CXXFLAGS $X_CFLAGS"
191     LIBS="$LIBS $X_PRE_LIBS $X_LIBS -lX11 -lXext $X_EXTRA_LIBS"
192     fi
193 gbeauche 1.1
194     dnl We want pthreads. Try libpthread first, then libc_r (FreeBSD), then PTL.
195     HAVE_PTHREADS=yes
196     AC_CHECK_LIB(pthread, pthread_create, , [
197     AC_CHECK_LIB(c_r, pthread_create, , [
198     AC_CHECK_LIB(PTL, pthread_create, , [
199     HAVE_PTHREADS=no
200     ])
201     ])
202     ])
203     if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then
204     AC_DEFINE(HAVE_PTHREADS, 1, [Define if pthreads are available.])
205     fi
206 gbeauche 1.50 AC_CHECK_FUNCS(pthread_cond_init)
207 gbeauche 1.46 AC_CHECK_FUNCS(pthread_cancel pthread_testcancel)
208 gbeauche 1.1 AC_CHECK_FUNCS(pthread_mutexattr_setprotocol)
209     AC_CHECK_FUNCS(pthread_mutexattr_settype)
210 gbeauche 1.3 AC_CHECK_FUNCS(pthread_mutexattr_setpshared)
211 gbeauche 1.1
212     dnl If POSIX.4 semaphores are not available, we emulate them with pthread mutexes.
213     SEMSRC=
214     AC_CHECK_FUNCS(sem_init, , [
215     if test "x$HAVE_PTHREADS" = "xyes"; then
216     SEMSRC=posix_sem.cpp
217     fi
218     ])
219    
220     dnl We use DGA (XFree86 or fbdev) if possible.
221     if [[ "x$WANT_XF86_DGA" = "xyes" ]]; then
222     AC_CHECK_LIB(Xxf86dga, XF86DGAQueryExtension, [
223     AC_DEFINE(ENABLE_XF86_DGA, 1, [Define if using XFree86 DGA extension.])
224     LIBS="$LIBS -lXxf86dga"
225     if [[ "x$WANT_FBDEV_DGA" = "xyes" ]]; then
226     AC_MSG_WARN([Cannot have both --enable-xf86-dga and --enable-fbdev-dga, ignoring --enable-fbdev-dga.])
227     WANT_FBDEV_DGA=no
228     fi
229     ], [
230     AC_MSG_WARN([Could not find XFree86 DGA extension, ignoring --enable-xf86-dga.])
231     WANT_XF86_DGA=no
232     ])
233     fi
234     if [[ "x$WANT_FBDEV_DGA" = "xyes" ]]; then
235     AC_DEFINE(ENABLE_FBDEV_DGA, 1, [Define if using DGA with framebuffer device.])
236     fi
237    
238     dnl We use XFree86 VidMode if possible.
239     if [[ "x$WANT_XF86_VIDMODE" = "xyes" ]]; then
240     AC_CHECK_LIB(Xxf86vm, XF86VidModeQueryExtension, [
241     AC_DEFINE(ENABLE_XF86_VIDMODE, 1, [Define if using XFree86 DGA extension.])
242     LIBS="$LIBS -lXxf86vm"
243     ], [
244     AC_MSG_WARN([Could not find XFree86 VidMode extension, ignoring --enable-xf86-vidmode.])
245     WANT_XF86_VIDMODE=no
246     ])
247     fi
248    
249     dnl We use GTK+ if possible.
250     UISRCS=../dummy/prefs_editor_dummy.cpp
251 gbeauche 1.49 case "x$WANT_GTK" in
252     xgtk2*)
253     AM_PATH_GTK_2_0(1.3.15, [
254     AC_DEFINE(ENABLE_GTK, 1, [Define if using GTK.])
255     CFLAGS="$CFLAGS $GTK_CFLAGS"
256     CXXFLAGS="$CXXFLAGS $GTK_CFLAGS"
257     LIBS="$LIBS $GTK_LIBS"
258     UISRCS=prefs_editor_gtk.cpp
259     WANT_GTK=gtk2
260     ], [
261     case "x${WANT_GTK}x" in
262     *gtkx)
263     AC_MSG_WARN([Could not find GTK+ 2.0, trying with GTK+ 1.2.])
264     WANT_GTK=gtk
265     ;;
266     *)
267     AC_MSG_WARN([Could not find GTK+, disabling user interface.])
268     WANT_GTK=no
269     ;;
270     esac
271     ])
272     ;;
273     esac
274     if [[ "x$WANT_GTK" = "xgtk" ]]; then
275 gbeauche 1.1 AM_PATH_GTK(1.2.0, [
276     AC_DEFINE(ENABLE_GTK, 1, [Define if using GTK.])
277     CXXFLAGS="$CXXFLAGS $GTK_CFLAGS"
278     LIBS="$LIBS $GTK_LIBS"
279     UISRCS=prefs_editor_gtk.cpp
280 gbeauche 1.18 dnl somehow, <gnome-i18n.h> would redefine gettext() to nothing if
281     dnl ENABLE_NLS is not set, thusly conflicting with C++ <string> which
282     dnl includes <libintl.h>
283     AM_GNU_GETTEXT
284 gbeauche 1.1 B2_PATH_GNOMEUI([
285     AC_DEFINE(HAVE_GNOMEUI, 1, [Define if libgnomeui is available.])
286     CXXFLAGS="$CXXFLAGS $GNOMEUI_CFLAGS"
287     LIBS="$LIBS $GNOMEUI_LIBS"
288     ], [])
289     ], [
290     AC_MSG_WARN([Could not find GTK+, disabling user interface.])
291     WANT_GTK=no
292     ])
293     fi
294    
295     dnl We use ESD if possible.
296     if [[ "x$WANT_ESD" = "xyes" ]]; then
297     AM_PATH_ESD(0.2.8, [
298     AC_DEFINE(ENABLE_ESD, 1, [Define is using ESD.])
299     CFLAGS="$CFLAGS $ESD_CFLAGS"
300     CXXFLAGS="$CXXFLAGS $ESD_CFLAGS"
301     LIBS="$LIBS $ESD_LIBS"
302     ], [
303     AC_MSG_WARN([Could not find ESD, disabling ESD support.])
304     WANT_ESD=no
305     ])
306     fi
307    
308     dnl We use 64-bit file size support if possible.
309     AC_SYS_LARGEFILE
310    
311     dnl Checks for header files.
312     AC_HEADER_STDC
313 gbeauche 1.52 AC_CHECK_HEADERS(stdlib.h stdint.h)
314     AC_CHECK_HEADERS(unistd.h fcntl.h sys/types.h sys/time.h sys/mman.h mach/mach.h)
315 gbeauche 1.20 AC_CHECK_HEADERS(readline.h history.h readline/readline.h readline/history.h)
316 gbeauche 1.42 AC_CHECK_HEADERS(sys/socket.h sys/ioctl.h sys/filio.h sys/bitypes.h sys/wait.h)
317     AC_CHECK_HEADERS(sys/poll.h sys/select.h)
318 gbeauche 1.39 AC_CHECK_HEADERS(arpa/inet.h)
319 gbeauche 1.35 AC_CHECK_HEADERS(linux/if.h linux/if_tun.h net/if.h net/if_tun.h, [], [], [
320 gbeauche 1.42 #ifdef HAVE_SYS_TYPES_H
321     #include <sys/types.h>
322     #endif
323 gbeauche 1.35 #ifdef HAVE_SYS_SOCKET_H
324     #include <sys/socket.h>
325     #endif
326     ])
327 gbeauche 1.30 AC_CHECK_HEADERS(AvailabilityMacros.h)
328 gbeauche 1.48 AC_CHECK_HEADERS(IOKit/storage/IOBlockStorageDevice.h)
329 gbeauche 1.1
330     dnl Checks for typedefs, structures, and compiler characteristics.
331     AC_C_BIGENDIAN
332     AC_C_CONST
333     AC_C_INLINE
334     AC_CHECK_SIZEOF(short, 2)
335     AC_CHECK_SIZEOF(int, 4)
336     AC_CHECK_SIZEOF(long, 4)
337     AC_CHECK_SIZEOF(long long, 8)
338     AC_CHECK_SIZEOF(float, 4)
339     AC_CHECK_SIZEOF(double, 8)
340     AC_CHECK_SIZEOF(long double, 12)
341     AC_CHECK_SIZEOF(void *, 4)
342     AC_TYPE_OFF_T
343 gbeauche 1.24 AC_CHECK_TYPES(loff_t)
344     AC_CHECK_TYPES(caddr_t)
345 gbeauche 1.1 AC_TYPE_SIZE_T
346     AC_TYPE_SIGNAL
347     AC_HEADER_TIME
348     AC_STRUCT_TM
349    
350     dnl Check whether sys/socket.h defines type socklen_t.
351     dnl (extracted from ac-archive/Miscellaneous)
352     AC_CACHE_CHECK([for socklen_t],
353     ac_cv_type_socklen_t, [
354     AC_TRY_COMPILE([
355     #include <sys/types.h>
356     #include <sys/socket.h>
357     ], [socklen_t len = 42; return 0;],
358     ac_cv_type_socklen_t=yes, ac_cv_type_socklen_t=no,
359     dnl When cross-compiling, do not assume anything.
360     ac_cv_type_socklen_t="guessing no"
361     )
362     ])
363     if [[ "x$ac_cv_type_socklen_t" != "xyes" ]]; then
364     AC_DEFINE(socklen_t, int, [Define to 'int' if <sys/types.h> doesn't define.])
365     fi
366    
367     dnl Checks for library functions.
368 gbeauche 1.39 AC_CHECK_FUNCS(strdup strerror cfmakeraw)
369 gbeauche 1.1 AC_CHECK_FUNCS(clock_gettime timer_create)
370     AC_CHECK_FUNCS(sigaction signal)
371     AC_CHECK_FUNCS(mmap mprotect munmap)
372     AC_CHECK_FUNCS(vm_allocate vm_deallocate vm_protect)
373 gbeauche 1.42 AC_CHECK_FUNCS(poll inet_aton)
374 gbeauche 1.1
375     dnl Darwin seems to define mach_task_self() instead of task_self().
376     AC_CHECK_FUNCS(mach_task_self task_self)
377    
378     dnl Check for headers and functions related to pty support (sshpty.c)
379     dnl From openssh-3.2.2p1 configure.ac
380    
381     AC_CHECK_HEADERS(strings.h login.h sys/bsdtty.h sys/stat.h util.h pty.h)
382     AC_CHECK_FUNCS(_getpty vhangup strlcpy)
383    
384     case "$host" in
385     *-*-hpux10.26)
386     disable_ptmx_check=yes
387     ;;
388     *-*-linux*)
389     no_dev_ptmx=1
390     ;;
391     mips-sony-bsd|mips-sony-newsos4)
392     AC_DEFINE(HAVE_NEWS4, 1, [Define if you are on NEWS-OS (additions from openssh-3.2.2p1, for sshpty.c).])
393     ;;
394     *-*-sco3.2v4*)
395     no_dev_ptmx=1
396     ;;
397     *-*-sco3.2v5*)
398     no_dev_ptmx=1
399     ;;
400 gbeauche 1.36 *-*-cygwin*)
401     no_dev_ptmx=1
402     ;;
403 gbeauche 1.1 esac
404    
405     if test -z "$no_dev_ptmx" ; then
406     if test "x$disable_ptmx_check" != "xyes" ; then
407     AC_CHECK_FILE([/dev/ptmx],
408     [
409     AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX, 1, [Define if you have /dev/ptmx.])
410     have_dev_ptmx=1
411     ]
412     )
413     fi
414     fi
415     AC_CHECK_FILE([/dev/ptc],
416     [
417     AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC, 1, [Define if you have /dev/ptc.])
418     have_dev_ptc=1
419     ]
420     )
421    
422     dnl (end of code from openssh-3.2.2p1 configure.ac)
423    
424    
425 gbeauche 1.58 dnl Check for systems where POSIX-style non-blocking I/O (O_NONBLOCK)
426     dnl doesn't work or is unimplemented. On these systems (mostly older
427     dnl ones), use the old BSD-style FIONBIO approach instead. [tcl.m4]
428     AC_CACHE_CHECK([FIONBIO vs. O_NONBLOCK for non-blocking I/O],
429     ac_cv_nonblocking_io, [
430     case "$host" in
431     *-*-osf*)
432     ac_cv_nonblocking_io=FIONBIO
433     ;;
434     *-*-sunos4*)
435     ac_cv_nonblocking_io=FIONBIO
436     ;;
437     *-*-ultrix*)
438     ac_cv_nonblocking_io=FIONBIO
439     ;;
440     *)
441     ac_cv_nonblocking_io=O_NONBLOCK
442     ;;
443     esac
444     ])
445     if [[ "$ac_cv_nonblocking_io" = "FIONBIO" ]]; then
446     AC_DEFINE(USE_FIONBIO, 1, [Define if BSD-style non-blocking I/O is to be used])
447     fi
448    
449 gbeauche 1.59 dnl Check whether compiler supports byte bit-fields
450     AC_CACHE_CHECK([whether compiler supports byte bit-fields],
451     ac_cv_have_byte_bitfields, [
452     AC_LANG_SAVE
453     AC_LANG_CPLUSPLUS
454     AC_TRY_RUN([
455     struct A {
456     unsigned char b1:4;
457     unsigned char b2:4;
458     unsigned char c;
459     unsigned short s;
460     unsigned char a[4];
461     };
462    
463     int main(void) {
464     A a;
465     return ! (sizeof(A) == 8 && &a.c == ((unsigned char *)&a + 1));
466     }],
467     [ac_cv_have_byte_bitfields=yes],
468     [ac_cv_have_byte_bitfields=no],
469     dnl When cross-compiling, assume only GCC supports this
470     [if [[ "$GCC" = "yes" ]]; then
471     ac_cv_have_byte_bitfields="guessing yes"
472     else
473     ac_cv_have_byte_bitfields="guessing no"
474     fi]
475     )
476     AC_LANG_RESTORE
477     ])
478 gbeauche 1.58
479 gbeauche 1.30 dnl AC_CHECK_FRAMEWORK($1=NAME, $2=INCLUDES)
480 cebix 1.51 AC_DEFUN([AC_CHECK_FRAMEWORK], [
481 gbeauche 1.30 AS_VAR_PUSHDEF([ac_Framework], [ac_cv_framework_$1])dnl
482     AC_CACHE_CHECK([whether compiler supports framework $1],
483     ac_Framework, [
484     saved_LIBS="$LIBS"
485     LIBS="$LIBS -framework $1"
486     AC_TRY_LINK(
487 gbeauche 1.57 [$2], [],
488 gbeauche 1.30 [AS_VAR_SET(ac_Framework, yes)], [AS_VAR_SET(ac_Framework, no); LIBS="$saved_LIBS"]
489     )
490     ])
491     AS_IF([test AS_VAR_GET(ac_Framework) = yes],
492     [AC_DEFINE(AS_TR_CPP(HAVE_FRAMEWORK_$1), 1, [Define if framework $1 is available.])]
493     )
494     AS_VAR_POPDEF([ac_Framework])dnl
495     ])
496    
497     dnl Check for some MacOS X frameworks
498 gbeauche 1.63 AC_CHECK_FRAMEWORK(AppKit, [])
499 gbeauche 1.30 AC_CHECK_FRAMEWORK(Carbon, [#include <Carbon/Carbon.h>])
500     AC_CHECK_FRAMEWORK(IOKit, [#include <IOKit/IOKitLib.h>])
501 gbeauche 1.48 AC_CHECK_FRAMEWORK(CoreFoundation, [#include <CoreFoundation/CoreFoundation.h>])
502 gbeauche 1.30
503 gbeauche 1.1 dnl Select system-dependant source files.
504     SERIALSRC=serial_unix.cpp
505     ETHERSRC=../dummy/ether_dummy.cpp
506     SCSISRC=../dummy/scsi_dummy.cpp
507     AUDIOSRC=../dummy/audio_dummy.cpp
508 gbeauche 1.41 EXTFSSRC=extfs_unix.cpp
509 gbeauche 1.1 EXTRASYSSRCS=
510     CAN_NATIVE_M68K=no
511     case "$target_os" in
512     linux*)
513     ETHERSRC=ether_unix.cpp
514     AUDIOSRC=audio_oss_esd.cpp
515     SCSISRC=Linux/scsi_linux.cpp
516     ;;
517     freebsd*)
518     ETHERSRC=ether_unix.cpp
519     AUDIOSRC=audio_oss_esd.cpp
520     DEFINES="$DEFINES -DBSD_COMP"
521     CXXFLAGS="$CXXFLAGS -fpermissive"
522     dnl Check for the CAM library
523     AC_CHECK_LIB(cam, cam_open_btl, HAVE_LIBCAM=yes, HAVE_LIBCAM=no)
524     if [[ "x$HAVE_LIBCAM" = "xno" ]]; then
525     AC_MSG_WARN([Cannot find libcam for SCSI management, disabling SCSI support.])
526     else
527     dnl Check for the sys kernel includes
528     AC_CHECK_HEADER(camlib.h)
529     if [[ "x$ac_cv_header_camlib_h" = "xno" ]]; then
530     dnl In this case I should fix this thing including a "patch"
531     dnl to access directly to the functions in the kernel :) --Orlando
532     AC_MSG_WARN([Cannot find includes for CAM library, disabling SCSI support.])
533     else
534     SCSISRC=FreeBSD/scsi_freebsd.cpp
535     LIBS="$LIBS -lcam"
536     DEFINES="$DEFINES -DCAM"
537     fi
538     fi
539     ;;
540     netbsd*)
541     CAN_NATIVE_M68K=yes
542 gbeauche 1.44 ETHERSRC=ether_unix.cpp
543 gbeauche 1.1 ;;
544     solaris*)
545     AUDIOSRC=Solaris/audio_solaris.cpp
546     DEFINES="$DEFINES -DBSD_COMP -D_POSIX_PTHREAD_SEMANTICS"
547     ;;
548     irix*)
549     AUDIOSRC=Irix/audio_irix.cpp
550     EXTRASYSSRCS=Irix/unaligned.c
551     LIBS="$LIBS -laudio"
552     WANT_ESD=no
553    
554 gbeauche 1.14 dnl Check if our compiler supports -IPA (MIPSPro)
555     HAVE_IPA=no
556 gbeauche 1.1 ocflags="$CFLAGS"
557 gbeauche 1.14 CFLAGS=`echo "$CFLAGS -IPA" | sed -e "s/-g//g"`
558     AC_MSG_CHECKING(if "-IPA" works)
559 gbeauche 1.1 dnl Do a test compile of an empty function
560 gbeauche 1.56 AC_TRY_COMPILE([#if defined __GNUC__
561     # error GCC does not support IPA yet
562     #endif],, [AC_MSG_RESULT(yes); HAVE_IPA=yes], AC_MSG_RESULT(no))
563 gbeauche 1.1 CFLAGS="$ocflags"
564 gbeauche 1.30 ;;
565     darwin*)
566 gbeauche 1.45 ETHERSRC=ether_unix.cpp
567 gbeauche 1.48 if [[ "x$ac_cv_framework_IOKit" = "xyes" -a "x$ac_cv_framework_CoreFoundation" = "xyes" ]]; then
568 gbeauche 1.30 EXTRASYSSRCS="../MacOSX/sys_darwin.cpp"
569     fi
570 gbeauche 1.41 if [[ "x$ac_cv_framework_Carbon" = "xyes" ]]; then
571     EXTFSSRC=../MacOSX/extfs_macosx.mm
572     fi
573 gbeauche 1.1 ;;
574 gbeauche 1.36 cygwin*)
575     SERIALSRC="../dummy/serial_dummy.cpp"
576 gbeauche 1.37 EXTRASYSSRCS="../Windows/BasiliskII.rc"
577 gbeauche 1.36 ;;
578 gbeauche 1.1 esac
579 gbeauche 1.43
580     dnl Is the slirp library supported?
581 gbeauche 1.59 case "$ac_cv_have_byte_bitfields" in
582     yes|"guessing yes")
583 gbeauche 1.60 CAN_SLIRP=yes
584 gbeauche 1.59 ETHERSRC=ether_unix.cpp
585     ;;
586     esac
587 gbeauche 1.60 if [[ -n "$CAN_SLIRP" ]]; then
588 gbeauche 1.43 AC_DEFINE(HAVE_SLIRP, 1, [Define if slirp library is supported])
589     SLIRP_SRCS="\
590     ../slirp/bootp.c ../slirp/ip_output.c ../slirp/tcp_input.c \
591     ../slirp/cksum.c ../slirp/mbuf.c ../slirp/tcp_output.c \
592     ../slirp/debug.c ../slirp/misc.c ../slirp/tcp_subr.c \
593     ../slirp/if.c ../slirp/sbuf.c ../slirp/tcp_timer.c \
594     ../slirp/ip_icmp.c ../slirp/slirp.c ../slirp/tftp.c \
595     ../slirp/ip_input.c ../slirp/socket.c ../slirp/udp.c"
596     fi
597     AC_SUBST(SLIRP_SRCS)
598    
599 gbeauche 1.26 dnl SDL overrides
600     if [[ "x$WANT_SDL" = "xyes" ]]; then
601     AC_DEFINE(USE_SDL, 1, [Define to enble SDL support])
602     fi
603     if [[ "x$WANT_SDL_VIDEO" = "xyes" ]]; then
604 gbeauche 1.31 AC_DEFINE(USE_SDL_VIDEO, 1, [Define to enable SDL video graphics support])
605 gbeauche 1.30 VIDEOSRCS="../SDL/video_sdl.cpp"
606 gbeauche 1.29 KEYCODES="../SDL/keycodes"
607 gbeauche 1.30 if [[ "x$ac_cv_framework_Carbon" = "xyes" ]]; then
608     EXTRASYSSRCS="$EXTRASYSSRCS ../MacOSX/clip_macosx.cpp"
609     else
610 gbeauche 1.38 case "$target_os" in
611     cygwin*)
612     EXTRASYSSRCS="$EXTRASYSSRCS ../Windows/clip_windows.cpp"
613     ;;
614     *)
615     EXTRASYSSRCS="$EXTRASYSSRCS ../dummy/clip_dummy.cpp"
616     ;;
617     esac
618 gbeauche 1.30 fi
619 gbeauche 1.26 else
620 gbeauche 1.30 VIDEOSRCS="video_x.cpp"
621 gbeauche 1.29 KEYCODES="keycodes"
622 gbeauche 1.30 EXTRASYSSRCS="$EXTRASYSSRCS clip_unix.cpp"
623 gbeauche 1.26 fi
624 gbeauche 1.31 if [[ "x$WANT_SDL_AUDIO" = "xyes" ]]; then
625     AC_DEFINE(USE_SDL_AUDIO, 1, [Define to enable SDL audio support])
626     AUDIOSRC="../SDL/audio_sdl.cpp"
627     fi
628 gbeauche 1.1
629     dnl Use 68k CPU natively?
630     WANT_NATIVE_M68K=no
631     if [[ "x$HAVE_M68K" = "xyes" -a "x$CAN_NATIVE_M68K" = "xyes" ]]; then
632     AC_DEFINE(ENABLE_NATIVE_M68K, 1, [Define if using native 68k mode.])
633     WANT_NATIVE_M68K=yes
634     fi
635    
636     if [[ "x$HAVE_PTHREADS" = "xno" ]]; then
637     dnl Serial, ethernet and audio support needs pthreads
638     AC_MSG_WARN([You don't have pthreads, disabling serial, ethernet and audio support.])
639     SERIALSRC=../dummy/serial_dummy.cpp
640     ETHERSRC=../dummy/ether_dummy.cpp
641     AUDIOSRC=../dummy/audio_dummy.cpp
642     fi
643 gbeauche 1.41 SYSSRCS="$VIDEOSRCS $EXTFSSRC $SERIALSRC $ETHERSRC $SCSISRC $AUDIOSRC $SEMSRC $UISRCS $MONSRCS $EXTRASYSSRCS"
644 gbeauche 1.1
645     dnl Define a macro that translates a yesno-variable into a C macro definition
646     dnl to be put into the config.h file
647     dnl $1 -- the macro to define
648     dnl $2 -- the value to translate
649     dnl $3 -- template name
650 cebix 1.51 AC_DEFUN([AC_TRANSLATE_DEFINE], [
651 gbeauche 1.1 if [[ "x$2" = "xyes" -o "x$2" = "xguessing yes" ]]; then
652     AC_DEFINE($1, 1, $3)
653     fi
654     ])
655    
656 gbeauche 1.25 dnl Check that the host supports TUN/TAP devices
657     AC_CACHE_CHECK([whether TUN/TAP is supported],
658     ac_cv_tun_tap_support, [
659     AC_TRY_COMPILE([
660     #if defined(HAVE_LINUX_IF_H) && defined(HAVE_LINUX_IF_TUN_H)
661     #include <linux/if.h>
662     #include <linux/if_tun.h>
663     #endif
664     #if defined(HAVE_NET_IF_H) && defined(HAVE_NET_IF_TUN_H)
665     #include <net/if.h>
666     #include <net/if_tun.h>
667     #endif
668     ], [
669     struct ifreq ifr;
670     memset(&ifr, 0, sizeof(ifr));
671     ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
672     ],
673     ac_cv_tun_tap_support=yes, ac_cv_tun_tap_support=no
674     )
675     ])
676     AC_TRANSLATE_DEFINE(ENABLE_TUNTAP, "$ac_cv_tun_tap_support",
677     [Define if your system supports TUN/TAP devices.])
678    
679 gbeauche 1.1 dnl Various checks if the system supports vm_allocate() and the like functions.
680     have_mach_vm=no
681     if [[ "x$ac_cv_func_vm_allocate" = "xyes" -a "x$ac_cv_func_vm_deallocate" = "xyes" -a \
682     "x$ac_cv_func_vm_protect" = "xyes" ]]; then
683     have_mach_vm=yes
684     fi
685     AC_TRANSLATE_DEFINE(HAVE_MACH_VM, "$have_mach_vm",
686     [Define if your system has a working vm_allocate()-based memory allocator.])
687    
688     dnl Check that vm_allocate(), vm_protect() work
689     if [[ "x$have_mach_vm" = "xyes" ]]; then
690    
691     AC_CACHE_CHECK([whether vm_protect works],
692     ac_cv_vm_protect_works, [
693     AC_LANG_SAVE
694     AC_LANG_CPLUSPLUS
695     ac_cv_vm_protect_works=yes
696     dnl First the tests that should segfault
697     for test_def in NONE_READ NONE_WRITE READ_WRITE; do
698     AC_TRY_RUN([
699     #define CONFIGURE_TEST_VM_MAP
700     #define TEST_VM_PROT_$test_def
701     #include "vm_alloc.cpp"
702     ], ac_cv_vm_protect_works=no, rm -f core,
703     dnl When cross-compiling, do not assume anything
704     ac_cv_vm_protect_works="guessing no"
705     )
706     done
707     AC_TRY_RUN([
708     #define CONFIGURE_TEST_VM_MAP
709     #define TEST_VM_PROT_RDWR_WRITE
710     #include "vm_alloc.cpp"
711     ], , ac_cv_vm_protect_works=no,
712     dnl When cross-compiling, do not assume anything
713     ac_cv_vm_protect_works="guessing no"
714     )
715     AC_LANG_RESTORE
716     ]
717     )
718    
719     dnl Remove support for vm_allocate() if vm_protect() does not work
720     if [[ "x$have_mach_vm" = "xyes" ]]; then
721     case $ac_cv_vm_protect_works in
722     *yes) have_mach_vm=yes;;
723     *no) have_mach_vm=no;;
724     esac
725     fi
726     AC_TRANSLATE_DEFINE(HAVE_MACH_VM, "$have_mach_vm",
727     [Define if your system has a working vm_allocate()-based memory allocator.])
728    
729     fi dnl HAVE_MACH_VM
730    
731     dnl Various checks if the system supports mmap() and the like functions.
732     dnl ... and Mach memory allocators are not supported
733     have_mmap_vm=no
734     if [[ "x$ac_cv_func_mmap" = "xyes" -a "x$ac_cv_func_munmap" = "xyes" -a \
735     "x$ac_cv_func_mprotect" = "xyes" ]]; then
736     if [[ "x$have_mach_vm" = "xno" ]]; then
737     have_mmap_vm=yes
738     fi
739     fi
740     AC_TRANSLATE_DEFINE(HAVE_MMAP_VM, "$have_mmap_vm",
741     [Define if your system has a working mmap()-based memory allocator.])
742    
743     dnl Check that mmap() and associated functions work.
744     if [[ "x$have_mmap_vm" = "xyes" ]]; then
745    
746     dnl Check if we have a working anonymous mmap()
747     AC_CACHE_CHECK([whether mmap supports MAP_ANON],
748     ac_cv_mmap_anon, [
749     AC_LANG_SAVE
750     AC_LANG_CPLUSPLUS
751     AC_TRY_RUN([
752     #define HAVE_MMAP_ANON
753     #define CONFIGURE_TEST_VM_MAP
754     #define TEST_VM_MMAP_ANON
755     #include "vm_alloc.cpp"
756     ], ac_cv_mmap_anon=yes, ac_cv_mmap_anon=no,
757     dnl When cross-compiling, do not assume anything.
758     ac_cv_mmap_anon="guessing no"
759     )
760     AC_LANG_RESTORE
761     ]
762     )
763     AC_TRANSLATE_DEFINE(HAVE_MMAP_ANON, "$ac_cv_mmap_anon",
764     [Define if <sys/mman.h> defines MAP_ANON and mmap()'ing with MAP_ANON works.])
765    
766     AC_CACHE_CHECK([whether mmap supports MAP_ANONYMOUS],
767     ac_cv_mmap_anonymous, [
768     AC_LANG_SAVE
769     AC_LANG_CPLUSPLUS
770     AC_TRY_RUN([
771     #define HAVE_MMAP_ANONYMOUS
772     #define CONFIGURE_TEST_VM_MAP
773     #define TEST_VM_MMAP_ANON
774     #include "vm_alloc.cpp"
775     ], ac_cv_mmap_anonymous=yes, ac_cv_mmap_anonymous=no,
776     dnl When cross-compiling, do not assume anything.
777     ac_cv_mmap_anonymous="guessing no"
778     )
779     AC_LANG_RESTORE
780     ]
781     )
782     AC_TRANSLATE_DEFINE(HAVE_MMAP_ANONYMOUS, "$ac_cv_mmap_anonymous",
783     [Define if <sys/mman.h> defines MAP_ANONYMOUS and mmap()'ing with MAP_ANONYMOUS works.])
784    
785     AC_CACHE_CHECK([whether mprotect works],
786     ac_cv_mprotect_works, [
787     AC_LANG_SAVE
788     AC_LANG_CPLUSPLUS
789     ac_cv_mprotect_works=yes
790     dnl First the tests that should segfault
791     for test_def in NONE_READ NONE_WRITE READ_WRITE; do
792     AC_TRY_RUN([
793     #define CONFIGURE_TEST_VM_MAP
794     #define TEST_VM_PROT_$test_def
795     #include "vm_alloc.cpp"
796     ], ac_cv_mprotect_works=no, rm -f core,
797     dnl When cross-compiling, do not assume anything
798     ac_cv_mprotect_works="guessing no"
799     )
800     done
801     AC_TRY_RUN([
802     #define CONFIGURE_TEST_VM_MAP
803     #define TEST_VM_PROT_RDWR_WRITE
804     #include "vm_alloc.cpp"
805     ], , ac_cv_mprotect_works=no,
806     dnl When cross-compiling, do not assume anything
807     ac_cv_mprotect_works="guessing no"
808     )
809     AC_LANG_RESTORE
810     ]
811     )
812    
813     dnl Remove support for mmap() if mprotect() does not work
814     if [[ "x$have_mmap_vm" = "xyes" ]]; then
815     case $ac_cv_mprotect_works in
816     *yes) have_mmap_vm=yes;;
817     *no) have_mmap_vm=no;;
818     esac
819     fi
820     AC_TRANSLATE_DEFINE(HAVE_MMAP_VM, $have_mmap_vm,
821     [Define if your system has a working mmap()-based memory allocator.])
822    
823     fi dnl HAVE_MMAP_VM
824    
825 gbeauche 1.23 dnl Check if we can modify the __PAGEZERO segment for use as Low Memory
826     AC_CACHE_CHECK([whether __PAGEZERO can be Low Memory area 0x0000-0x2000],
827     ac_cv_pagezero_hack, [
828     ac_cv_pagezero_hack=no
829     if AC_TRY_COMMAND([Darwin/testlmem.sh 0x2000]); then
830     ac_cv_pagezero_hack=yes
831     dnl might as well skip the test for mmap-able low memory
832     ac_cv_can_map_lm=no
833     fi
834     ])
835     AC_TRANSLATE_DEFINE(PAGEZERO_HACK, "$ac_cv_pagezero_hack",
836     [Define if the __PAGEZERO Mach-O Low Memory Globals hack works on this system.])
837    
838 gbeauche 1.1 dnl Check if we can mmap 0x2000 bytes from 0x0000
839     AC_CACHE_CHECK([whether we can map Low Memory area 0x0000-0x2000],
840     ac_cv_can_map_lm, [
841     AC_LANG_SAVE
842     AC_LANG_CPLUSPLUS
843     AC_TRY_RUN([
844     #include "vm_alloc.cpp"
845     int main(void) { /* returns 0 if we could map the lowmem globals */
846 gbeauche 1.15 volatile char * lm = 0;
847 gbeauche 1.1 if (vm_init() < 0) exit(1);
848 gbeauche 1.15 if (vm_acquire_fixed(0, 0x2000) < 0) exit(1);
849 gbeauche 1.1 lm[0] = 'z';
850     if (vm_release((char *)lm, 0x2000) < 0) exit(1);
851     vm_exit(); exit(0);
852     }
853     ], ac_cv_can_map_lm=yes, ac_cv_can_map_lm=no,
854     dnl When cross-compiling, do not assume anything.
855     ac_cv_can_map_lm="guessing no"
856     )
857     AC_LANG_RESTORE
858     ]
859     )
860    
861 gbeauche 1.34 dnl Check if we have POSIX shared memory support
862     AC_CACHE_CHECK([whether POSIX shared memory is working],
863     ac_cv_have_posix_shm, [
864     AC_LANG_SAVE
865     AC_LANG_CPLUSPLUS
866     AC_TRY_RUN([
867     #define HAVE_POSIX_SHM
868     #include "vm_alloc.cpp"
869     int main(void) { /* returns 0 if we have working POSIX shm */
870     if (vm_init() < 0) exit(2);
871     char *m1 = (char *)vm_acquire(32768, VM_MAP_DEFAULT | VM_MAP_33BIT);
872     if (m1 == VM_MAP_FAILED) exit(3);
873     vm_exit(); exit(0);
874     }
875     ], ac_cv_have_posix_shm=yes, ac_cv_have_posix_shm=no,
876     dnl When cross-compiling, do not assume anything.
877     ac_cv_have_posix_shm="guessing no"
878     )
879     AC_LANG_RESTORE
880     ]
881     )
882     AC_TRANSLATE_DEFINE(HAVE_POSIX_SHM, "$ac_cv_have_posix_shm",
883     [Define if your system supports POSIX shared memory.])
884    
885     dnl Check if we have working 33-bit memory addressing
886     AC_CACHE_CHECK([whether 33-bit memory addressing is working],
887     ac_cv_have_33bit_addressing, [
888     AC_LANG_SAVE
889     AC_LANG_CPLUSPLUS
890     AC_TRY_RUN([
891     #define USE_33BIT_ADDRESSING 1
892     #include "vm_alloc.cpp"
893     int main(void) { /* returns 0 if we have working 33-bit addressing */
894     if (sizeof(void *) < 8) exit(1);
895     if (vm_init() < 0) exit(2);
896     char *m1 = (char *)vm_acquire(32768, VM_MAP_DEFAULT | VM_MAP_33BIT);
897     if (m1 == VM_MAP_FAILED) exit(3);
898     char *m2 = m1 + (1L << 32);
899     m1[0] = 0x12; if (m2[0] != 0x12) exit(4);
900     m2[0] = 0x34; if (m1[0] != 0x34) exit(5);
901     vm_exit(); exit(0);
902     }
903     ], ac_cv_have_33bit_addressing=yes, ac_cv_have_33bit_addressing=no,
904     dnl When cross-compiling, do not assume anything.
905     ac_cv_have_33bit_addressing="guessing no"
906     )
907     AC_LANG_RESTORE
908     ]
909     )
910    
911 gbeauche 1.1 dnl Check signal handlers need to be reinstalled
912     AC_CACHE_CHECK([whether signal handlers need to be reinstalled],
913     ac_cv_signal_need_reinstall, [
914     AC_LANG_SAVE
915     AC_LANG_CPLUSPLUS
916     AC_TRY_RUN([
917     #include <stdlib.h>
918     #ifdef HAVE_UNISTD_H
919     #include <unistd.h>
920     #endif
921     #include <signal.h>
922     static int handled_signal = 0;
923     RETSIGTYPE sigusr1_handler(int) { handled_signal++; }
924     int main(void) { /* returns 0 if signals need not to be reinstalled */
925     signal(SIGUSR1, sigusr1_handler); raise(SIGUSR1); raise(SIGUSR1);
926     exit(handled_signal == 2);
927     }
928     ], ac_cv_signal_need_reinstall=yes, ac_cv_signal_need_reinstall=no,
929     dnl When cross-compiling, do not assume anything.
930     ac_cv_signal_need_reinstall="guessing yes"
931     )
932     AC_LANG_RESTORE
933     ]
934     )
935     AC_TRANSLATE_DEFINE(SIGNAL_NEED_REINSTALL, "$ac_cv_signal_need_reinstall",
936     [Define if your system requires signals to be reinstalled.])
937    
938     dnl Check if sigaction handlers need to be reinstalled
939     AC_CACHE_CHECK([whether sigaction handlers need to be reinstalled],
940     ac_cv_sigaction_need_reinstall, [
941     AC_LANG_SAVE
942     AC_LANG_CPLUSPLUS
943     AC_TRY_RUN([
944     #include <stdlib.h>
945     #ifdef HAVE_UNISTD_H
946     #include <unistd.h>
947     #endif
948     #include <signal.h>
949     static int handled_signal = 0;
950     RETSIGTYPE sigusr1_handler(int) { handled_signal++; }
951     typedef RETSIGTYPE (*signal_handler)(int);
952     static signal_handler mysignal(int sig, signal_handler handler) {
953     struct sigaction old_sa;
954     struct sigaction new_sa;
955     new_sa.sa_handler = handler;
956     return ((sigaction(sig,&new_sa,&old_sa) < 0) ? SIG_IGN : old_sa.sa_handler);
957     }
958     int main(void) { /* returns 0 if signals need not to be reinstalled */
959     mysignal(SIGUSR1, sigusr1_handler); raise(SIGUSR1); raise(SIGUSR1);
960     exit(handled_signal == 2);
961     }
962     ], ac_cv_sigaction_need_reinstall=yes, ac_cv_sigaction_need_reinstall=no,
963     dnl When cross-compiling, do not assume anything.
964     ac_cv_sigaction_need_reinstall="guessing yes"
965     )
966     AC_LANG_RESTORE
967     ]
968     )
969     AC_TRANSLATE_DEFINE(SIGACTION_NEED_REINSTALL, "$ac_cv_sigaction_need_reinstall",
970     [Define if your system requires sigactions to be reinstalled.])
971    
972 gbeauche 1.21 dnl Check if Mach exceptions supported.
973     AC_CACHE_CHECK([whether your system supports Mach exceptions],
974     ac_cv_have_mach_exceptions, [
975 gbeauche 1.1 AC_LANG_SAVE
976     AC_LANG_CPLUSPLUS
977     AC_TRY_RUN([
978 gbeauche 1.21 #define HAVE_MACH_EXCEPTIONS 1
979 gbeauche 1.1 #define CONFIGURE_TEST_SIGSEGV_RECOVERY
980     #include "vm_alloc.cpp"
981     #include "sigsegv.cpp"
982 gbeauche 1.21 ], [
983     sigsegv_recovery=mach
984     ac_cv_have_mach_exceptions=yes
985     ],
986     ac_cv_have_mach_exceptions=no,
987 gbeauche 1.1 dnl When cross-compiling, do not assume anything.
988 gbeauche 1.21 ac_cv_have_mach_exceptions=no
989 gbeauche 1.1 )
990     AC_LANG_RESTORE
991     ]
992     )
993 gbeauche 1.21 AC_TRANSLATE_DEFINE(HAVE_MACH_EXCEPTIONS, "$ac_cv_have_mach_exceptions",
994     [Define if your system supports Mach exceptions.])
995    
996 gbeauche 1.36 dnl Check if Windows exceptions are supported.
997     AC_CACHE_CHECK([whether your system supports Windows exceptions],
998     ac_cv_have_win32_exceptions, [
999     AC_LANG_SAVE
1000     AC_LANG_CPLUSPLUS
1001     AC_TRY_RUN([
1002     #define HAVE_WIN32_EXCEPTIONS 1
1003     #define CONFIGURE_TEST_SIGSEGV_RECOVERY
1004     #include "vm_alloc.cpp"
1005     #include "sigsegv.cpp"
1006     ], [
1007     sigsegv_recovery=win32
1008     ac_cv_have_win32_exceptions=yes
1009     ],
1010     ac_cv_have_win32_exceptions=no,
1011     dnl When cross-compiling, do not assume anything.
1012     ac_cv_have_win32_exceptions=no
1013     )
1014     AC_LANG_RESTORE
1015     ]
1016     )
1017     AC_TRANSLATE_DEFINE(HAVE_WIN32_EXCEPTIONS, "$ac_cv_have_win32_exceptions",
1018     [Define if your system supports Windows exceptions.])
1019    
1020 gbeauche 1.21 dnl Otherwise, check if extended signals are supported.
1021     if [[ -z "$sigsegv_recovery" ]]; then
1022     AC_CACHE_CHECK([whether your system supports extended signal handlers],
1023     ac_cv_have_extended_signals, [
1024     AC_LANG_SAVE
1025     AC_LANG_CPLUSPLUS
1026     AC_TRY_RUN([
1027     #define HAVE_SIGINFO_T 1
1028     #define CONFIGURE_TEST_SIGSEGV_RECOVERY
1029     #include "vm_alloc.cpp"
1030     #include "sigsegv.cpp"
1031     ], [
1032     sigsegv_recovery=siginfo
1033     ac_cv_have_extended_signals=yes
1034     ],
1035     ac_cv_have_extended_signals=no,
1036     dnl When cross-compiling, do not assume anything.
1037     ac_cv_have_extended_signals=no
1038     )
1039     AC_LANG_RESTORE
1040     ]
1041     )
1042     AC_TRANSLATE_DEFINE(HAVE_SIGINFO_T, "$ac_cv_have_extended_signals",
1043     [Define if your system support extended signals.])
1044     fi
1045 gbeauche 1.1
1046     dnl Otherwise, check for subterfuges.
1047 gbeauche 1.21 if [[ -z "$sigsegv_recovery" ]]; then
1048 gbeauche 1.1 AC_CACHE_CHECK([whether we then have a subterfuge for your system],
1049     ac_cv_have_sigcontext_hack, [
1050     AC_LANG_SAVE
1051     AC_LANG_CPLUSPLUS
1052     AC_TRY_RUN([
1053     #define HAVE_SIGCONTEXT_SUBTERFUGE 1
1054     #define CONFIGURE_TEST_SIGSEGV_RECOVERY
1055     #include "vm_alloc.cpp"
1056     #include "sigsegv.cpp"
1057 gbeauche 1.21 ], [
1058     sigsegv_recovery=sigcontext
1059     ac_cv_have_sigcontext_hack=yes
1060     ],
1061     ac_cv_have_sigcontext_hack=no,
1062 gbeauche 1.1 dnl When cross-compiling, do not assume anything.
1063     ac_cv_have_sigcontext_hack=no
1064     )
1065     AC_LANG_RESTORE
1066     ])
1067     AC_TRANSLATE_DEFINE(HAVE_SIGCONTEXT_SUBTERFUGE, "$ac_cv_have_sigcontext_hack",
1068     [Define if we know a hack to replace siginfo_t->si_addr member.])
1069     fi
1070    
1071     dnl Check if we can ignore the fault (instruction skipping in SIGSEGV handler)
1072     AC_CACHE_CHECK([whether we can skip instruction in SIGSEGV handler],
1073     ac_cv_have_skip_instruction, [
1074     AC_LANG_SAVE
1075     AC_LANG_CPLUSPLUS
1076     AC_TRY_RUN([
1077     #define HAVE_SIGSEGV_SKIP_INSTRUCTION 1
1078     #define CONFIGURE_TEST_SIGSEGV_RECOVERY
1079     #include "vm_alloc.cpp"
1080     #include "sigsegv.cpp"
1081     ], ac_cv_have_skip_instruction=yes, ac_cv_have_skip_instruction=no,
1082     dnl When cross-compiling, do not assume anything.
1083     ac_cv_have_skip_instruction=no
1084     )
1085     AC_LANG_RESTORE
1086     ]
1087     )
1088     AC_TRANSLATE_DEFINE(HAVE_SIGSEGV_SKIP_INSTRUCTION, "$ac_cv_have_skip_instruction",
1089     [Define if we can ignore the fault (instruction skipping in SIGSEGV handler).])
1090    
1091     dnl Can we do Video on SEGV Signals ?
1092     CAN_VOSF=no
1093 gbeauche 1.21 if [[ -n "$sigsegv_recovery" ]]; then
1094 gbeauche 1.1 CAN_VOSF=yes
1095     fi
1096    
1097 gbeauche 1.23 dnl A dummy program that returns always true
1098 gbeauche 1.28 AC_PATH_PROG([BLESS], "true")
1099 gbeauche 1.23
1100 gbeauche 1.61 dnl Check for linker script support
1101     case $target_os:$target_cpu in
1102     linux*:i?86) LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-i386.ld";;
1103     linux*:x86_64) LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-x86_64.ld";;
1104 gbeauche 1.62 darwin*:powerpc)LINKER_SCRIPT_FLAGS="-Wl,-seg1addr,0x78048000";;
1105 gbeauche 1.61 esac
1106     if [[ -n "$LINKER_SCRIPT_FLAGS" ]]; then
1107     AC_CACHE_CHECK([whether linker script is usable],
1108     ac_cv_linker_script_works, [
1109     AC_LANG_SAVE
1110     AC_LANG_CPLUSPLUS
1111     saved_LDFLAGS="$LDFLAGS"
1112     LDFLAGS="$LDFLAGS $LINKER_SCRIPT_FLAGS"
1113     AC_TRY_RUN(
1114     [int main() {if ((char *)&main < (char *)0x70000000) return 1;}],
1115     [ac_cv_linker_script_works=yes],
1116     [ac_cv_linker_script_works=no],
1117     dnl When cross-compiling, assume it works
1118     [ac_cv_linker_script_works="guessing yes"]
1119     )
1120     AC_LANG_RESTORE
1121     if [[ "$ac_cv_linker_script_works" = "no" ]]; then
1122     LDFLAGS="$saved_LDFLAGS"
1123     LINKER_SCRIPT_FLAGS=""
1124     fi
1125     ])
1126     fi
1127     AC_TRANSLATE_DEFINE(HAVE_LINKER_SCRIPT, "$ac_cv_linker_script_works",
1128     [Define if there is a linker script to relocate the executable above 0x70000000.])
1129    
1130 gbeauche 1.1 dnl Determine the addressing mode to use
1131     if [[ "x$WANT_NATIVE_M68K" = "xyes" ]]; then
1132     ADDRESSING_MODE="real"
1133     else
1134     ADDRESSING_MODE=""
1135     AC_MSG_CHECKING([for the addressing mode to use])
1136     for am in $ADDRESSING_TEST_ORDER; do
1137     case $am in
1138     real)
1139     dnl Requires ability to mmap() Low Memory globals
1140 gbeauche 1.23 if [[ "x$ac_cv_can_map_lm$ac_cv_pagezero_hack" = "xnono" ]]; then
1141 gbeauche 1.1 continue
1142     fi
1143 gbeauche 1.23 dnl Requires VOSF screen updates
1144 gbeauche 1.1 if [[ "x$CAN_VOSF" = "xno" ]]; then
1145     continue
1146     fi
1147     dnl Real addressing will probably work.
1148     ADDRESSING_MODE="real"
1149     WANT_VOSF=yes dnl we can use VOSF and we need it actually
1150     DEFINES="$DEFINES -DREAL_ADDRESSING"
1151 gbeauche 1.23 if [[ "x$ac_cv_pagezero_hack" = "xyes" ]]; then
1152     BLESS=Darwin/lowmem
1153     LDFLAGS="$LDFLAGS -pagezero_size 0x2000"
1154     fi
1155 gbeauche 1.1 break
1156     ;;
1157     direct)
1158     dnl Requires VOSF screen updates
1159     if [[ "x$CAN_VOSF" = "xyes" ]]; then
1160     ADDRESSING_MODE="direct"
1161     WANT_VOSF=yes dnl we can use VOSF and we need it actually
1162     DEFINES="$DEFINES -DDIRECT_ADDRESSING"
1163     break
1164     fi
1165     ;;
1166     banks)
1167     dnl Default addressing mode
1168     ADDRESSING_MODE="memory banks"
1169     break
1170     ;;
1171     *)
1172     AC_MSG_ERROR([Internal configure.in script error for $am addressing mode])
1173     esac
1174     done
1175     AC_MSG_RESULT($ADDRESSING_MODE)
1176     if [[ "x$ADDRESSING_MODE" = "x" ]]; then
1177     AC_MSG_WARN([Sorry, no suitable addressing mode in $ADDRESSING_TEST_ORDER])
1178     ADDRESSING_MODE="memory banks"
1179     fi
1180     fi
1181    
1182 gbeauche 1.5 dnl Banked Memory Addressing mode is not supported by the JIT compiler
1183     if [[ "x$WANT_JIT" = "xyes" -a "x$ADDRESSING_MODE" = "xmemory banks" ]]; then
1184     AC_MSG_ERROR([Sorry, the JIT Compiler requires Direct Addressing, at least])
1185     fi
1186    
1187 gbeauche 1.1 dnl Enable VOSF screen updates with this feature is requested and feasible
1188     if [[ "x$WANT_VOSF" = "xyes" -a "x$CAN_VOSF" = "xyes" ]]; then
1189     AC_DEFINE(ENABLE_VOSF, 1, [Define if using video enabled on SEGV signals.])
1190     else
1191     WANT_VOSF=no
1192     fi
1193    
1194     dnl Check for GAS.
1195     HAVE_GAS=no
1196     AC_MSG_CHECKING(for GAS .p2align feature)
1197     cat >conftest.S << EOF
1198     .text
1199     .p2align 5
1200     EOF
1201     if $CC conftest.S -c -o conftest.o >/dev/null 2>&1 ; then HAVE_GAS=yes; fi
1202     AC_MSG_RESULT($HAVE_GAS)
1203    
1204     dnl Check for GCC 2.7 or higher.
1205     HAVE_GCC27=no
1206     AC_MSG_CHECKING(for GCC 2.7 or higher)
1207 gbeauche 1.53 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#if ! (__GNUC__ - 1 > 1 || __GNUC_MINOR__ - 1 > 5)
1208     # error gcc < 2.7
1209     #endif
1210     ]])],
1211     [AC_MSG_RESULT(yes); HAVE_GCC27=yes],
1212     [AC_MSG_RESULT(no)])
1213 gbeauche 1.1
1214     dnl Check for GCC 3.0 or higher.
1215     HAVE_GCC30=no
1216     AC_MSG_CHECKING(for GCC 3.0 or higher)
1217 gbeauche 1.53 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#if ! (__GNUC__ >= 3)
1218     # error gcc < 3
1219     #endif
1220     ]])],
1221     [AC_MSG_RESULT(yes); HAVE_GCC30=yes],
1222     [AC_MSG_RESULT(no)])
1223 gbeauche 1.1
1224 gbeauche 1.39 dnl Check for ICC.
1225     AC_MSG_CHECKING(for ICC)
1226     HAVE_ICC=no
1227     if $CXX -V -v 2>&1 | grep -q "Intel(R) C++ Compiler"; then
1228     HAVE_ICC=yes
1229     fi
1230     AC_MSG_RESULT($HAVE_ICC)
1231    
1232 gbeauche 1.1 dnl Set "-fomit-frame-pointer" on i386 GCC 2.7 or higher.
1233     dnl Also set "-fno-exceptions" for C++ because exception handling requires
1234     dnl the frame pointer.
1235     if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" ]]; then
1236     CFLAGS="$CFLAGS -fomit-frame-pointer"
1237     CXXFLAGS="$CXXFLAGS -fomit-frame-pointer -fno-exceptions"
1238     fi
1239    
1240     dnl (gb) Do not merge constants since it breaks fpu/fpu_x86.cpp.
1241     dnl As of 2001/08/02, this affects the following compilers:
1242     dnl Official: probably gcc-3.1 (mainline CVS)
1243     dnl Mandrake: gcc-2.96 >= 0.59mdk, gcc-3.0.1 >= 0.1mdk
1244     dnl Red Hat : gcc-2.96 >= 89, gcc-3.0 >= 1
1245 gbeauche 1.39 if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_ICC" = "xno" ]]; then
1246 gbeauche 1.1 SAVED_CXXFLAGS="$CXXFLAGS"
1247     CXXFLAGS="$CXXFLAGS -fno-merge-constants"
1248     AC_CACHE_CHECK([whether GCC supports constants merging], ac_cv_gcc_constants_merging, [
1249     AC_LANG_SAVE
1250     AC_LANG_CPLUSPLUS
1251     AC_TRY_COMPILE([],[],[ac_cv_gcc_constants_merging=yes],[ac_cv_gcc_constants_merging=no])
1252     AC_LANG_RESTORE
1253     ])
1254     if [[ "x$ac_cv_gcc_constants_merging" != "xyes" ]]; then
1255     CXXFLAGS="$SAVED_CXXFLAGS"
1256     fi
1257     fi
1258    
1259 gbeauche 1.33 dnl Store motion was introduced in 3.3-hammer branch and any gcc >= 3.4
1260     dnl However, there are some corner cases exposed on x86-64
1261 gbeauche 1.39 if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_ICC" = "xno" ]]; then
1262 gbeauche 1.33 SAVED_CXXFLAGS="$CXXFLAGS"
1263     CXXFLAGS="$CXXFLAGS -fno-gcse-sm"
1264     AC_CACHE_CHECK([whether GCC supports store motion], ac_cv_gcc_store_motion, [
1265     AC_LANG_SAVE
1266     AC_LANG_CPLUSPLUS
1267     AC_TRY_COMPILE([],[],[ac_cv_gcc_store_motion=yes],[ac_cv_gcc_store_motion=no])
1268     AC_LANG_RESTORE
1269     ])
1270     if [[ "x$ac_cv_gcc_store_motion" != "xyes" ]]; then
1271     CXXFLAGS="$SAVED_CXXFLAGS"
1272     fi
1273     fi
1274    
1275 gbeauche 1.39 dnl Add -fno-strict-aliasing for slirp sources
1276     if [[ "x$HAVE_GCC30" = "xyes" ]]; then
1277 gbeauche 1.40 SAVED_CFLAGS="$CFLAGS"
1278 gbeauche 1.39 CFLAGS="$CFLAGS -fno-strict-aliasing"
1279     AC_CACHE_CHECK([whether the compiler supports -fno-strict-aliasing],
1280     ac_cv_gcc_no_strict_aliasing, [
1281     AC_TRY_COMPILE([],[],
1282 gbeauche 1.47 [ac_cv_gcc_no_strict_aliasing=yes; AC_SUBST(SLIRP_CFLAGS, "-fno-strict-aliasing")],
1283 gbeauche 1.39 [ac_cv_gcc_no_strict_aliasing=no])
1284     ])
1285     CFLAGS="$SAVED_CFLAGS"
1286     fi
1287    
1288 gbeauche 1.54 dnl Add -mdynamic-no-pic for MacOS X (XXX icc10 will support MacOS X)
1289     if [[ "x$HAVE_GCC30" = "xyes" -a "x$HAVE_ICC" = "xno" ]]; then
1290 gbeauche 1.52 SAVED_CFLAGS="$CFLAGS"
1291     CFLAGS="$CFLAGS -mdynamic-no-pic"
1292     AC_CACHE_CHECK([whether the compiler supports -mdynamic-no-pic],
1293     ac_cv_gcc_mdynamic_no_pic, [
1294     AC_TRY_COMPILE([],[],[ac_cv_gcc_mdynamic_no_pic=yes],[ac_cv_gcc_mdynamic_no_pic=no])
1295     ])
1296     if [[ "x$ac_cv_gcc_mdynamic_no_pic" = "xyes" ]]; then
1297     CXXFLAGS="$CXXFLAGS -mdynamic-no-pic"
1298     else
1299     CFLAGS="$SAVED_CFLAGS"
1300     fi
1301     fi
1302    
1303 gbeauche 1.1 dnl Select appropriate CPU source and REGPARAM define.
1304     ASM_OPTIMIZATIONS=none
1305     CPUSRCS="cpuemu1.cpp cpuemu2.cpp cpuemu3.cpp cpuemu4.cpp cpuemu5.cpp cpuemu6.cpp cpuemu7.cpp cpuemu8.cpp"
1306 gbeauche 1.5
1307     dnl (gb) JITSRCS will be emptied later if the JIT is not available
1308     dnl Other platforms should define their own set of noflags file variants
1309     CAN_JIT=no
1310     JITSRCS="compemu1.cpp compemu2.cpp compemu3.cpp compemu4.cpp compemu5.cpp compemu6.cpp compemu7.cpp compemu8.cpp"
1311    
1312 gbeauche 1.11 if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" ]]; then
1313 gbeauche 1.1 dnl i386 CPU
1314 gbeauche 1.7 DEFINES="$DEFINES -DUNALIGNED_PROFITABLE -DREGPARAM=\"__attribute__((regparm(3)))\""
1315 gbeauche 1.1 if [[ "x$HAVE_GAS" = "xyes" ]]; then
1316     ASM_OPTIMIZATIONS=i386
1317 gbeauche 1.7 DEFINES="$DEFINES -DX86_ASSEMBLY -DOPTIMIZED_FLAGS -DSAHF_SETO_PROFITABLE"
1318 gbeauche 1.10 JITSRCS="cpuemu1_nf.cpp cpuemu2_nf.cpp cpuemu3_nf.cpp cpuemu4_nf.cpp cpuemu5_nf.cpp cpuemu6_nf.cpp cpuemu7_nf.cpp cpuemu8_nf.cpp $JITSRCS"
1319 gbeauche 1.11 CAN_JIT=yes
1320 gbeauche 1.13 fi
1321     elif [[ "x$HAVE_GCC30" = "xyes" -a "x$HAVE_X86_64" = "xyes" ]]; then
1322     dnl x86-64 CPU
1323     DEFINES="$DEFINES -DUNALIGNED_PROFITABLE"
1324     if [[ "x$HAVE_GAS" = "xyes" ]]; then
1325     ASM_OPTIMIZATIONS="x86-64"
1326     DEFINES="$DEFINES -DX86_64_ASSEMBLY -DOPTIMIZED_FLAGS"
1327 gbeauche 1.32 JITSRCS="cpuemu1_nf.cpp cpuemu2_nf.cpp cpuemu3_nf.cpp cpuemu4_nf.cpp cpuemu5_nf.cpp cpuemu6_nf.cpp cpuemu7_nf.cpp cpuemu8_nf.cpp $JITSRCS"
1328     CAN_JIT=yes
1329 gbeauche 1.34 WANT_33BIT_ADDRESSING=yes
1330 gbeauche 1.1 fi
1331     elif [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_SPARC" = "xyes" -a "x$HAVE_GAS" = "xyes" ]]; then
1332     dnl SPARC CPU
1333     case "$target_os" in
1334     solaris*)
1335     AC_MSG_CHECKING(SPARC CPU architecture)
1336     SPARC_TYPE=`Solaris/which_sparc`
1337     AC_MSG_RESULT($SPARC_TYPE)
1338     case "$SPARC_TYPE" in
1339     SPARC_V8)
1340     ASM_OPTIMIZATIONS="SPARC V8 architecture"
1341     DEFINES="$DEFINES -DSPARC_V8_ASSEMBLY" dnl -DOPTIMIZED_FLAGS"
1342     CFLAGS="$CFLAGS -Wa,-Av8"
1343     CXXFLAGS="$CXXFLAGS -Wa,-Av8"
1344     ;;
1345     SPARC_V9)
1346     ASM_OPTIMIZATIONS="SPARC V9 architecture"
1347     DEFINES="$DEFINES -DSPARC_V9_ASSEMBLY" dnl -DOPTIMIZED_FLAGS"
1348     CFLAGS="$CFLAGS -Wa,-Av9"
1349     CXXFLAGS="$CXXFLAGS -Wa,-Av9"
1350     ;;
1351     esac
1352     ;;
1353     esac
1354     elif [[ "x$WANT_NATIVE_M68K" = "xyes" ]]; then
1355     dnl Native m68k, no emulation
1356     CPUINCLUDES="-I../native_cpu"
1357     CPUSRCS="asm_support.s"
1358     fi
1359    
1360 gbeauche 1.5 dnl Enable JIT compiler, if possible.
1361     if [[ "x$WANT_JIT" = "xyes" -a "x$CAN_JIT" ]]; then
1362     JITSRCS="$JITSRCS ../uae_cpu/compiler/compemu_support.cpp ../uae_cpu/compiler/compemu_fpp.cpp compstbl.o cpustbl_nf.o"
1363     DEFINES="$DEFINES -DUSE_JIT -DUSE_JIT_FPU"
1364    
1365     if [[ "x$WANT_JIT_DEBUG" = "xyes" ]]; then
1366     if [[ "x$WANT_MON" = "xyes" ]]; then
1367     DEFINES="$DEFINES -DJIT_DEBUG=1"
1368     else
1369     AC_MSG_WARN([cxmon not found, ignoring --enable-jit-debug])
1370     WANT_JIT_DEBUG=no
1371     fi
1372     fi
1373 gbeauche 1.8
1374     dnl IEEE core is the only FPU emulator to use with the JIT compiler
1375     case $FPE_CORE_TEST_ORDER in
1376     ieee*) ;;
1377     *) AC_MSG_WARN([Forcing use of the IEEE FPU core, as the JIT compiler supports only this one.]) ;;
1378     esac
1379     FPE_CORE_TEST_ORDER="ieee"
1380 gbeauche 1.5 else
1381     WANT_JIT=no
1382     WANT_JIT_DEBUG=no
1383     JITSRCS=""
1384     fi
1385    
1386 gbeauche 1.34 dnl Use 33-bit memory addressing?
1387     if [[ "$ac_cv_have_33bit_addressing:$WANT_33BIT_ADDRESSING" = "yes:yes" ]]; then
1388     use_33bit_addressing=yes
1389     fi
1390     AC_TRANSLATE_DEFINE(USE_33BIT_ADDRESSING, "$use_33bit_addressing",
1391     [Define to use 33-bit memory addressing on 64-bit JIT capable systems.])
1392    
1393 gbeauche 1.1 dnl Utility macro used by next two tests.
1394     dnl AC_EXAMINE_OBJECT(C source code,
1395     dnl commands examining object file,
1396     dnl [commands to run if compile failed]):
1397     dnl
1398     dnl Compile the source code to an object file; then convert it into a
1399     dnl printable representation. All unprintable characters and
1400     dnl asterisks (*) are replaced by dots (.). All white space is
1401     dnl deleted. Newlines (ASCII 0x10) in the input are preserved in the
1402     dnl output, but runs of newlines are compressed to a single newline.
1403     dnl Finally, line breaks are forcibly inserted so that no line is
1404     dnl longer than 80 columns and the file ends with a newline. The
1405     dnl result of all this processing is in the file conftest.dmp, which
1406     dnl may be examined by the commands in the second argument.
1407     dnl
1408     AC_DEFUN([gcc_AC_EXAMINE_OBJECT],
1409     [AC_LANG_SAVE
1410     AC_LANG_C
1411     dnl Next bit cribbed from AC_TRY_COMPILE.
1412     cat > conftest.$ac_ext <<EOF
1413     [#line __oline__ "configure"
1414     #include "confdefs.h"
1415     $1
1416     ]EOF
1417     if AC_TRY_EVAL(ac_compile); then
1418     od -c conftest.o |
1419     sed ['s/^[0-7]*[ ]*/ /
1420     s/\*/./g
1421     s/ \\n/*/g
1422     s/ [0-9][0-9][0-9]/./g
1423     s/ \\[^ ]/./g'] |
1424     tr -d '
1425     ' | tr -s '*' '
1426     ' | fold | sed '$a\
1427     ' > conftest.dmp
1428     $2
1429     ifelse($3, , , else
1430     $3
1431     )dnl
1432     fi
1433     rm -rf conftest*
1434     AC_LANG_RESTORE])
1435    
1436     dnl Floating point format probe.
1437     dnl The basic concept is the same as the above: grep the object
1438     dnl file for an interesting string. We have to watch out for
1439     dnl rounding changing the values in the object, however; this is
1440     dnl handled by ignoring the least significant byte of the float.
1441     dnl
1442     dnl Does not know about VAX G-float or C4x idiosyncratic format.
1443     dnl It does know about PDP-10 idiosyncratic format, but this is
1444     dnl not presently supported by GCC. S/390 "binary floating point"
1445     dnl is in fact IEEE (but maybe we should have that in EBCDIC as well
1446     dnl as ASCII?)
1447     dnl
1448     AC_DEFUN([gcc_AC_C_FLOAT_FORMAT],
1449     [AC_CACHE_CHECK(floating point format, ac_cv_c_float_format,
1450     [gcc_AC_EXAMINE_OBJECT(
1451     [/* This will not work unless sizeof(double) == 8. */
1452     extern char sizeof_double_must_be_8 [sizeof(double) == 8 ? 1 : -1];
1453    
1454     /* This structure must have no internal padding. */
1455     struct possibility {
1456     char prefix[8];
1457     double candidate;
1458     char postfix[8];
1459     };
1460    
1461     #define C(cand) { "\nformat:", cand, ":tamrof\n" }
1462     struct possibility table [] =
1463     {
1464     C( 3.25724264705901305206e+01), /* @@IEEEFP - IEEE 754 */
1465     C( 3.53802595280598432000e+18), /* D__float - VAX */
1466     C( 5.32201830133125317057e-19), /* D.PDP-10 - PDP-10 - the dot is 0x13a */
1467     C( 1.77977764695171661377e+10), /* IBMHEXFP - s/390 format, ascii */
1468     C(-5.22995989424860458374e+10) /* IBMHEXFP - s/390 format, EBCDIC */
1469     };],
1470     [if grep 'format:.@IEEEF.:tamrof' conftest.dmp >/dev/null 2>&1; then
1471     ac_cv_c_float_format='IEEE (big-endian)'
1472     elif grep 'format:.I@@PFE.:tamrof' conftest.dmp >/dev/null 2>&1; then
1473     ac_cv_c_float_format='IEEE (big-endian)'
1474     elif grep 'format:.FEEEI@.:tamrof' conftest.dmp >/dev/null 2>&1; then
1475     ac_cv_c_float_format='IEEE (little-endian)'
1476     elif grep 'format:.EFP@@I.:tamrof' conftest.dmp >/dev/null 2>&1; then
1477     ac_cv_c_float_format='IEEE (little-endian)'
1478     elif grep 'format:.__floa.:tamrof' conftest.dmp >/dev/null 2>&1; then
1479     ac_cv_c_float_format='VAX D-float'
1480     elif grep 'format:..PDP-1.:tamrof' conftest.dmp >/dev/null 2>&1; then
1481     ac_cv_c_float_format='PDP-10'
1482     elif grep 'format:.BMHEXF.:tamrof' conftest.dmp >/dev/null 2>&1; then
1483     ac_cv_c_float_format='IBM 370 hex'
1484     else
1485     AC_MSG_ERROR(Unknown floating point format)
1486     fi],
1487     [AC_MSG_ERROR(compile failed)])
1488     ])
1489     # IEEE is the default format. If the float endianness isn't the same
1490     # as the integer endianness, we have to set FLOAT_WORDS_BIG_ENDIAN
1491     # (which is a tristate: yes, no, default). This is only an issue with
1492     # IEEE; the other formats are only supported by a few machines each,
1493     # all with the same endianness.
1494     format=IEEE_FLOAT_FORMAT
1495     fbigend=
1496     case $ac_cv_c_float_format in
1497     'IEEE (big-endian)' )
1498     if test $ac_cv_c_bigendian = no; then
1499     fbigend=1
1500     fi
1501     ;;
1502     'IEEE (little-endian)' )
1503     if test $ac_cv_c_bigendian = yes; then
1504     fbigend=0
1505     fi
1506     ;;
1507     'VAX D-float' )
1508     format=VAX_FLOAT_FORMAT
1509     ;;
1510     'PDP-10' )
1511     format=PDP10_FLOAT_FORMAT
1512     ;;
1513     'IBM 370 hex' )
1514     format=IBM_FLOAT_FORMAT
1515     ;;
1516     esac
1517     AC_DEFINE_UNQUOTED(HOST_FLOAT_FORMAT, $format,
1518     [Define to the floating point format of the host machine.])
1519     if test -n "$fbigend"; then
1520     AC_DEFINE_UNQUOTED(HOST_FLOAT_WORDS_BIG_ENDIAN, $fbigend,
1521     [Define to 1 if the host machine stores floating point numbers in
1522     memory with the word containing the sign bit at the lowest address,
1523     or to 0 if it does it the other way around.
1524    
1525     This macro should not be defined if the ordering is the same as for
1526     multi-word integers.])
1527     fi
1528     ])
1529    
1530     dnl Select appropriate FPU source.
1531     gcc_AC_C_FLOAT_FORMAT
1532     AC_CHECK_HEADERS(ieee754.h ieeefp.h floatingpoint.h nan.h)
1533    
1534     for fpe in $FPE_CORE_TEST_ORDER; do
1535     case $fpe in
1536     ieee)
1537 gbeauche 1.2 case $ac_cv_c_float_format in
1538     IEEE*)
1539 gbeauche 1.1 FPE_CORE="IEEE fpu core"
1540     DEFINES="$DEFINES -DFPU_IEEE"
1541     FPUSRCS="../uae_cpu/fpu/fpu_ieee.cpp"
1542 gbeauche 1.4 dnl Math functions not mandated by C99 standard
1543     AC_CHECK_FUNCS(isnanl isinfl)
1544     dnl Math functions required by C99 standard, but probably not
1545     dnl implemented everywhere. In that case, we fall back to the
1546     dnl regular variant for doubles.
1547     AC_CHECK_FUNCS(logl log10l expl powl fabsl sqrtl)
1548     AC_CHECK_FUNCS(sinl cosl tanl sinhl coshl tanhl)
1549     AC_CHECK_FUNCS(asinl acosl atanl asinhl acoshl atanhl)
1550     AC_CHECK_FUNCS(floorl ceill)
1551 gbeauche 1.1 break
1552 gbeauche 1.2 ;;
1553     esac
1554 gbeauche 1.1 ;;
1555     x86)
1556     if [[ ":$HAVE_GCC27:$HAVE_I386:$HAVE_GAS:" = ":yes:yes:yes:" ]]; then
1557     FPE_CORE="i387 fpu core"
1558     DEFINES="$DEFINES -DFPU_X86"
1559     FPUSRCS="../uae_cpu/fpu/fpu_x86.cpp"
1560     break
1561     fi
1562     ;;
1563     uae)
1564     FPE_CORE="uae fpu core"
1565     DEFINES="$DEFINES -DFPU_UAE"
1566     FPUSRCS="../uae_cpu/fpu/fpu_uae.cpp"
1567     break
1568     ;;
1569     *)
1570     AC_MSG_ERROR([Internal configure.in script error for $fpe fpu core])
1571     ;;
1572     esac
1573     done
1574     if [[ "x$FPE_CORE" = "x" ]]; then
1575     AC_MSG_ERROR([Sorry, no suitable FPU core found in $FPE_CORE_TEST_ORDER])
1576     fi
1577    
1578     dnl Check for certain math functions
1579     AC_CHECK_FUNCS(atanh)
1580 gbeauche 1.4 AC_CHECK_FUNCS(isnan isinf finite isnormal signbit)
1581 gbeauche 1.1
1582     dnl UAE CPU sources for all non-m68k-native architectures.
1583     if [[ "x$WANT_NATIVE_M68K" = "xno" ]]; then
1584     CPUINCLUDES="-I../uae_cpu"
1585 gbeauche 1.5 CPUSRCS="../uae_cpu/basilisk_glue.cpp ../uae_cpu/memory.cpp ../uae_cpu/newcpu.cpp ../uae_cpu/readcpu.cpp $FPUSRCS cpustbl.cpp cpudefs.cpp $CPUSRCS $JITSRCS"
1586 gbeauche 1.1 fi
1587    
1588     dnl Remove the "-g" option if set for GCC.
1589     if [[ "x$HAVE_GCC27" = "xyes" ]]; then
1590 gbeauche 1.33 CFLAGS=`echo $CFLAGS | sed -e 's/-g\b//g'`
1591     CXXFLAGS=`echo $CXXFLAGS | sed -e 's/-g\b//g'`
1592 gbeauche 1.1 fi
1593    
1594 gbeauche 1.14 dnl Or if we have -IPA (MIPSPro compilers)
1595     if [[ "x$HAVE_IPA" = "xyes" ]]; then
1596     CFLAGS="`echo $CFLAGS | sed -e 's/-g//g'` -O3 -OPT:Olimit=0 -IPA"
1597     CXXFLAGS="`echo $CXXFLAGS | sed -e 's/-g//g'` -O3 -OPT:Olimit=0 -IPA"
1598 gbeauche 1.1 CXXFLAGS="-LANG:std $CXXFLAGS"
1599 gbeauche 1.14 LDFLAGS="$LDFLAGS -O3 -OPT:Olimit=0 -IPA"
1600 gbeauche 1.1 fi
1601    
1602     dnl Generate Makefile.
1603     AC_SUBST(DEFINES)
1604     AC_SUBST(SYSSRCS)
1605     AC_SUBST(CPUINCLUDES)
1606     AC_SUBST(CPUSRCS)
1607 gbeauche 1.23 AC_SUBST(BLESS)
1608 gbeauche 1.29 AC_SUBST(KEYCODES)
1609 cebix 1.16 AC_CONFIG_FILES([Makefile])
1610     AC_OUTPUT
1611 gbeauche 1.1
1612     dnl Print summary.
1613     echo
1614     echo Basilisk II configuration summary:
1615     echo
1616 gbeauche 1.26 echo SDL support ............................ : $SDL_SUPPORT
1617 gbeauche 1.1 echo XFree86 DGA support .................... : $WANT_XF86_DGA
1618     echo XFree86 VidMode support ................ : $WANT_XF86_VIDMODE
1619     echo fbdev DGA support ...................... : $WANT_FBDEV_DGA
1620     echo Enable video on SEGV signals ........... : $WANT_VOSF
1621     echo ESD sound support ...................... : $WANT_ESD
1622     echo GTK user interface ..................... : $WANT_GTK
1623     echo mon debugger support ................... : $WANT_MON
1624     echo Running m68k code natively ............. : $WANT_NATIVE_M68K
1625 gbeauche 1.5 echo Use JIT compiler ....................... : $WANT_JIT
1626     echo JIT debug mode ......................... : $WANT_JIT_DEBUG
1627 gbeauche 1.1 echo Floating-Point emulation core .......... : $FPE_CORE
1628     echo Assembly optimizations ................. : $ASM_OPTIMIZATIONS
1629     echo Addressing mode ........................ : $ADDRESSING_MODE
1630 gbeauche 1.21 echo Bad memory access recovery type ........ : $sigsegv_recovery
1631 gbeauche 1.1 echo
1632     echo "Configuration done. Now type \"make\" (or \"gmake\")."