ViewVC Help
View File | Revision Log | Show Annotations | Revision Graph | Root Listing
root/cebix/SheepShaver/src/Unix/configure.ac
Revision: 1.75
Committed: 2012-06-17T23:14:11Z (12 years, 4 months ago) by asvitkine
Branch: MAIN
CVS Tags: HEAD
Changes since 1.74: +1 -0 lines
Log Message:
check for sys/stropts.h and stropts.h headers

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 gbeauche 1.40 AC_INIT([SheepShaver], 2.3, [Christian.Bauer@uni-mainz.de], SheepShaver)
5 gbeauche 1.1 AC_CONFIG_SRCDIR(main_unix.cpp)
6     AC_PREREQ(2.52)
7     AC_CONFIG_HEADER(config.h)
8 asvitkine 1.70 AH_TOP(
9     #ifndef CONFIG_H
10     #define CONFIG_H
11     )
12     AH_BOTTOM(
13     #endif /* CONFIG_H */
14     )
15 gbeauche 1.1
16     dnl Canonical system information.
17     AC_CANONICAL_HOST
18     AC_CANONICAL_TARGET
19    
20 gbeauche 1.2 dnl Some systems do not put corefiles in the currect directory, avoid saving
21     dnl cores for the configure tests since some are intended to dump core.
22     ulimit -c 0
23    
24 gbeauche 1.33 dnl Invite Cygwin users to build within the Windows/ directory
25     case $target_os in
26     *cygwin* | *mingw32*)
27     AC_MSG_ERROR([You can only build the Windows version from its directory, Cygwin/X11 is not supported.])
28     ;;
29     esac
30    
31 gbeauche 1.1 dnl Options.
32     AC_ARG_ENABLE(jit, [ --enable-jit enable JIT compiler [default=yes]], [WANT_JIT=$enableval], [WANT_JIT=yes])
33     AC_ARG_ENABLE(ppc-emulator, [ --enable-ppc-emulator use the selected PowerPC emulator [default=auto]], [WANT_EMULATED_PPC=$enableval], [WANT_EMULATED_PPC=auto])
34 gbeauche 1.21 AC_ARG_ENABLE(fbdev-dga, [ --enable-fbdev-dga use direct frame buffer access via /dev/fb0 [default=yes]], [WANT_FBDEV_DGA=$enableval], [WANT_FBDEV_DGA=yes])
35 gbeauche 1.1 AC_ARG_ENABLE(xf86-dga, [ --enable-xf86-dga use the XFree86 DGA extension [default=yes]], [WANT_XF86_DGA=$enableval], [WANT_XF86_DGA=yes])
36 gbeauche 1.22 AC_ARG_ENABLE(xf86-vidmode, [ --enable-xf86-vidmode use the XFree86 VidMode extension [default=yes]], [WANT_XF86_VIDMODE=$enableval], [WANT_XF86_VIDMODE=yes])
37 gbeauche 1.1 AC_ARG_ENABLE(vosf, [ --enable-vosf enable video on SEGV signals [default=yes]], [WANT_VOSF=$enableval], [WANT_VOSF=yes])
38 gbeauche 1.50 AC_ARG_ENABLE(standalone-gui,[ --enable-standalone-gui enable a standalone GUI prefs editor [default=no]], [WANT_STANDALONE_GUI=$enableval], [WANT_STANDALONE_GUI=no])
39 gbeauche 1.1 AC_ARG_WITH(esd, [ --with-esd support ESD for sound under Linux/FreeBSD [default=yes]], [WANT_ESD=$withval], [WANT_ESD=yes])
40 gbeauche 1.20 AC_ARG_WITH(gtk, [ --with-gtk use GTK user interface [default=yes]],
41     [case "$withval" in
42     gtk1) WANT_GTK="gtk";;
43     gtk|gtk2) WANT_GTK="$withval";;
44     yes) WANT_GTK="gtk2 gtk";;
45     *) WANT_GTK="no";;
46     esac],
47     [WANT_GTK="gtk2 gtk"])
48 gbeauche 1.1 AC_ARG_WITH(mon, [ --with-mon use mon as debugger [default=yes]], [WANT_MON=$withval], [WANT_MON=yes])
49     AC_ARG_WITH(dgcc, [ --with-dgcc=COMPILER use C++ COMPILER to compile synthetic opcodes], [DYNGEN_CC=$withval])
50    
51 asvitkine 1.68 AC_ARG_WITH(bincue,
52     AS_HELP_STRING([--with-bincue], [Allow cdrom image files in bin/cue mode]))
53    
54 asvitkine 1.69 AC_ARG_WITH(libvhd,
55     AS_HELP_STRING([--with-libvhd], [Enable VHD disk images]))
56    
57 asvitkine 1.68
58 gbeauche 1.8 dnl Addressing mode
59     AC_ARG_ENABLE(addressing,
60     [ --enable-addressing=AM set the addressing mode to use [default=real]],
61     [case "$enableval" in
62     real) WANT_ADDRESSING_MODE="real";;
63     direct) WANT_ADDRESSING_MODE="direct";;
64 gbeauche 1.13 direct,0x*) WANT_ADDRESSING_MODE="direct"; NATMEM_OFFSET=`echo "$enableval" | sed -n '/direct,\(0[[xX]][[0-9A-Fa-f]]*\([[UuLl]]\{1,2\}\)\?\)$/s//\1/p'`;;
65 gbeauche 1.8 esac],
66     [WANT_ADDRESSING_MODE="real"]
67     )
68    
69 gbeauche 1.1 dnl SDL options.
70     AC_ARG_ENABLE(sdl-static, [ --enable-sdl-static use SDL static libraries for linking [default=no]], [WANT_SDL_STATIC=$enableval], [WANT_SDL_STATIC=no])
71     AC_ARG_ENABLE(sdl-video, [ --enable-sdl-video use SDL for video graphics [default=no]], [WANT_SDL_VIDEO=$enableval], [WANT_SDL_VIDEO=no])
72 gbeauche 1.7 AC_ARG_ENABLE(sdl-audio, [ --enable-sdl-audio use SDL for audio [default=no]], [WANT_SDL_AUDIO=$enableval], [WANT_SDL_AUDIO=no])
73 asvitkine 1.64 AC_ARG_ENABLE(sdl-framework, [ --enable-sdl-framework use SDL framework [default=no]], [WANT_SDL_FRAMEWORK=$enableval], [WANT_SDL_FRAMEWORK=no])
74     AC_ARG_ENABLE(sdl-framework-prefix, [ --enable-sdl-framework-prefix=PFX default=/Library/Frameworks], [SDL_FRAMEWORK="$enableval"], [SDL_FRAMEWORK=/Library/Frameworks])
75 gbeauche 1.1
76     dnl Checks for programs.
77     AC_PROG_CC
78     AC_PROG_CPP
79     AC_PROG_CXX
80     AC_PROG_MAKE_SET
81     AC_PROG_INSTALL
82 gbeauche 1.3 AC_PROG_EGREP
83 gbeauche 1.16 AC_PATH_PROGS(FILE, [file false])
84     AC_PATH_PROG(PERL, [perl])
85 gbeauche 1.1
86     dnl Check for PowerPC target CPU.
87     HAVE_PPC=no
88     AC_MSG_CHECKING(for PowerPC target CPU)
89     AC_EGREP_CPP(yes,
90     [
91     #ifdef __powerpc__
92     yes
93     #endif
94     #ifdef __ppc__
95     yes
96     #endif
97     ], [AC_MSG_RESULT(yes); HAVE_PPC=yes], AC_MSG_RESULT(no))
98    
99     dnl We use native CPU if possible.
100     EMULATED_PPC=yes
101     case $WANT_EMULATED_PPC in
102     auto) [[ "x$HAVE_PPC" = "xyes" ]] && EMULATED_PPC=no;;
103     no) EMULATED_PPC=no;;
104     esac
105     if [[ "x$EMULATED_PPC" = "xyes" ]]; then
106     AC_DEFINE(EMULATED_PPC, 1, [Define if using a PowerPC CPU emulator.])
107     fi
108    
109     dnl We use mon if possible.
110     MONSRCS=
111     case "x$WANT_MON" in
112     x/* | x.*)
113     mon_srcdir=$WANT_MON
114     WANT_MON=yes
115     ;;
116     xyes)
117     mon_srcdir=../../../mon/src
118     ;;
119     esac
120     if [[ "x$WANT_MON" = "xyes" ]]; then
121     AC_MSG_CHECKING(for mon)
122     if grep mon_init $mon_srcdir/mon.h >/dev/null 2>/dev/null; then
123     AC_MSG_RESULT(yes)
124     AC_DEFINE(ENABLE_MON, 1, [Define if using "mon".])
125 gbeauche 1.58 MONSRCS="$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 $mon_srcdir/disass/mips-dis.c $mon_srcdir/disass/mips-opc.c $mon_srcdir/disass/mips16-opc.c"
126 gbeauche 1.1 CXXFLAGS="$CXXFLAGS -I$mon_srcdir -I$mon_srcdir/disass"
127     AC_CHECK_LIB(ncurses, tgetent, ,
128 asvitkine 1.67 [AC_CHECK_LIB(termcap, tgetent, ,
129     [AC_CHECK_LIB(termlib, tgetent, ,
130     [AC_CHECK_LIB(terminfo, tgetent, ,
131     [AC_CHECK_LIB(Hcurses, tgetent, ,
132     [AC_CHECK_LIB(curses, tgetent)])])])])])
133 gbeauche 1.1 AC_CHECK_LIB(readline, readline)
134     AC_CHECK_HEADERS(readline.h history.h readline/readline.h readline/history.h)
135     else
136     AC_MSG_RESULT(no)
137     AC_MSG_WARN([Could not find mon, ignoring --with-mon.])
138     WANT_MON=no
139     fi
140     fi
141 gbeauche 1.11 AC_SUBST(MONSRCS)
142 gbeauche 1.1
143     dnl Checks for libraries.
144     AC_CHECK_LIB(posix4, sem_init)
145 gbeauche 1.42 AC_CHECK_LIB(m, cos)
146 gbeauche 1.1
147 asvitkine 1.64 dnl AC_CHECK_SDLFRAMEWORK($1=NAME, $2=INCLUDES)
148     dnl AC_TRY_LINK uses main() but SDL needs main to take args,
149     dnl therefore main is undefined with #undef.
150     dnl Framework can be in an custom location.
151     AC_DEFUN([AC_CHECK_SDLFRAMEWORK], [
152     AS_VAR_PUSHDEF([ac_Framework], [ac_cv_framework_$1])
153     AC_CACHE_CHECK([whether compiler supports framework $1],
154     ac_Framework, [
155     saved_LIBS="$LIBS"
156     LIBS="$LIBS -framework $1"
157     if [[ "x$SDL_FRAMEWORK" != "x/Library/Frameworks" ]]; then
158     if [[ "x$SDL_FRAMEWORK" != "x/System/Library/Frameworks" ]]; then
159     LIBS="$saved_LIBS -F$SDL_FRAMEWORK -framework $1"
160     fi
161     fi
162     saved_CPPFLAGS="$CPPFLAGS"
163     CPPFLAGS="$CPPFLAGS -I$SDL_FRAMEWORK/SDL.framework/Headers"
164     AC_TRY_LINK(
165     [$2
166     #undef main], [],
167     [AS_VAR_SET(ac_Framework, yes)], [AS_VAR_SET(ac_Framework, no);
168     LIBS="$saved_LIBS"; CPPFLAGS="$saved_CPPFLAGS"]
169     )
170     ])
171     AS_IF([test AS_VAR_GET(ac_Framework) = yes],
172     [AC_DEFINE(AS_TR_CPP(HAVE_FRAMEWORK_$1), 1, [Define if framework $1 is available.])]
173     )
174     AS_VAR_POPDEF([ac_Framework])
175     ])
176    
177 gbeauche 1.1 dnl Do we need SDL?
178     WANT_SDL=no
179     if [[ "x$WANT_SDL_VIDEO" = "xyes" ]]; then
180     WANT_SDL=yes
181     WANT_XF86_DGA=no
182     WANT_XF86_VIDMODE=no
183     WANT_FBDEV_DGA=no
184 gbeauche 1.7 SDL_SUPPORT="$SDL_SUPPORT video"
185     fi
186     if [[ "x$WANT_SDL_AUDIO" = "xyes" ]]; then
187     WANT_SDL=yes
188     SDL_SUPPORT="$SDL_SUPPORT audio"
189 gbeauche 1.1 fi
190     if [[ "x$WANT_SDL" = "xyes" ]]; then
191 asvitkine 1.64 if [[ "x$WANT_SDL_FRAMEWORK" = "xyes" ]]; then
192     AC_CHECK_SDLFRAMEWORK(SDL, [#include <SDL.h>])
193     else
194     ac_cv_framework_SDL=no
195     fi
196     if [[ "x$ac_cv_framework_SDL" = "xno" ]]; then
197     AC_PATH_PROG(sdl_config, "sdl-config")
198     if [[ -n "$sdl_config" ]]; then
199     sdl_cflags=`$sdl_config --cflags`
200     if [[ "x$WANT_SDL_STATIC" = "xyes" ]]; then
201     sdl_libs=`$sdl_config --static-libs`
202     else
203     sdl_libs=`$sdl_config --libs`
204     fi
205     CFLAGS="$CFLAGS $sdl_cflags"
206     CXXFLAGS="$CXXFLAGS $sdl_cflags"
207     LIBS="$LIBS $sdl_libs"
208 gbeauche 1.33 else
209 asvitkine 1.64 WANT_SDL=no
210     WANT_SDL_VIDEO=no
211     WANT_SDL_AUDIO=no
212 gbeauche 1.33 fi
213 gbeauche 1.1 fi
214 gbeauche 1.7 SDL_SUPPORT=`echo "$SDL_SUPPORT" | sed -e "s/^ //"`
215     else
216     SDL_SUPPORT="none"
217 gbeauche 1.1 fi
218    
219     dnl We need X11, if not using SDL.
220 gbeauche 1.15 if [[ "x$WANT_SDL_VIDEO" != "xyes" ]]; then
221 gbeauche 1.1 AC_PATH_XTRA
222     if [[ "x$no_x" = "xyes" ]]; then
223     AC_MSG_ERROR([You need X11 to run SheepShaver.])
224     fi
225     CFLAGS="$CFLAGS $X_CFLAGS"
226     CXXFLAGS="$CXXFLAGS $X_CFLAGS"
227     LIBS="$LIBS $X_PRE_LIBS $X_LIBS -lX11 -lXext $X_EXTRA_LIBS"
228     fi
229    
230 asvitkine 1.68
231    
232 gbeauche 1.1 dnl We need pthreads on non-PowerPC systems. Try libpthread first, then libc_r (FreeBSD), then PTL.
233     HAVE_PTHREADS=yes
234     case $EMULATED_PPC:$target_os in
235 gbeauche 1.17 no:linux*|no:netbsd*)
236 gbeauche 1.1 dnl We do have our own pthread_cancel() implementation
237     AC_DEFINE(HAVE_PTHREAD_CANCEL, 1, [Define if you have the pthread_cancel function.])
238     ;;
239     *:*)
240     AC_CHECK_LIB(pthread, pthread_create, , [
241     AC_CHECK_LIB(c_r, pthread_create, , [
242     AC_CHECK_LIB(PTL, pthread_create, , [
243 gbeauche 1.29 dnl XXX remove when no pthreads case is merged
244     AC_MSG_ERROR([You need pthreads to run SheepShaver.])
245     HAVE_PTHREADS=no
246 gbeauche 1.1 ])
247     ])
248     ])
249     AC_CHECK_FUNCS(pthread_cancel)
250 gbeauche 1.34 AC_CHECK_FUNCS(pthread_cond_init pthread_testcancel)
251 gbeauche 1.1 AC_CHECK_FUNCS(pthread_mutexattr_setprotocol)
252     AC_CHECK_FUNCS(pthread_mutexattr_settype)
253     AC_CHECK_FUNCS(pthread_mutexattr_setpshared)
254     dnl If POSIX.4 semaphores are not available, we emulate them with pthread mutexes.
255     SEMSRC=
256     AC_CHECK_FUNCS(sem_init, , [
257     if test "x$HAVE_PTHREADS" = "xyes"; then
258     SEMSRC=posix_sem.cpp
259     fi
260     ])
261     ;;
262     esac
263 gbeauche 1.29 if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then
264     AC_DEFINE(HAVE_PTHREADS, 1, [Define if pthreads are available.])
265     fi
266 gbeauche 1.1
267 gbeauche 1.21 dnl We use FBDev DGA if possible.
268     if [[ "x$WANT_FBDEV_DGA" = "xyes" ]]; then
269     AC_CHECK_HEADER(linux/fb.h, [
270     AC_DEFINE(ENABLE_FBDEV_DGA, 1, [Define if using Linux fbdev extension.])
271     ], [
272     AC_MSG_WARN([Could not find Linux FBDev extension, ignoring --enable-fbdev-dga.])
273     WANT_FBDEV_DGA=no
274     ])
275     fi
276    
277 gbeauche 1.1 dnl We use XFree86 DGA if possible.
278     if [[ "x$WANT_XF86_DGA" = "xyes" ]]; then
279     AC_CHECK_LIB(Xxf86dga, XF86DGAQueryExtension, [
280     AC_DEFINE(ENABLE_XF86_DGA, 1, [Define if using XFree86 DGA extension.])
281     LIBS="$LIBS -lXxf86dga"
282     ], [
283     AC_MSG_WARN([Could not find XFree86 DGA extension, ignoring --enable-xf86-dga.])
284     WANT_XF86_DGA=no
285     ])
286     fi
287    
288     dnl We use XFree86 VidMode if possible.
289     if [[ "x$WANT_XF86_VIDMODE" = "xyes" ]]; then
290     AC_CHECK_LIB(Xxf86vm, XF86VidModeQueryExtension, [
291     AC_DEFINE(ENABLE_XF86_VIDMODE, 1, [Define if using XFree86 DGA extension.])
292     LIBS="$LIBS -lXxf86vm"
293     ], [
294     AC_MSG_WARN([Could not find XFree86 VidMode extension, ignoring --enable-xf86-vidmode.])
295     WANT_XF86_VIDMODE=no
296     ])
297     fi
298    
299     dnl We use GTK+ if possible.
300     UISRCS=../dummy/prefs_editor_dummy.cpp
301 gbeauche 1.20 case "x$WANT_GTK" in
302     xgtk2*)
303 asvitkine 1.56 WANT_GTK=no
304 gbeauche 1.20 AM_PATH_GTK_2_0(1.3.15, [
305 gbeauche 1.50 GUI_CFLAGS="$GTK_CFLAGS"
306     GUI_LIBS="$GTK_LIBS"
307 gbeauche 1.20 WANT_GTK=gtk2
308     ], [
309     case "x${WANT_GTK}x" in
310     *gtkx)
311     AC_MSG_WARN([Could not find GTK+ 2.0, trying with GTK+ 1.2.])
312     WANT_GTK=gtk
313     ;;
314     *)
315     AC_MSG_WARN([Could not find GTK+, disabling user interface.])
316     WANT_GTK=no
317 asvitkine 1.56 ;;
318 gbeauche 1.20 esac
319 gbeauche 1.57 ])
320     ;;
321 gbeauche 1.20 esac
322     if [[ "x$WANT_GTK" = "xgtk" ]]; then
323 asvitkine 1.56 WANT_GTK=no
324 gbeauche 1.1 AM_PATH_GTK(1.2.0, [
325 gbeauche 1.50 GUI_CFLAGS="$GTK_CFLAGS"
326     GUI_LIBS="$GTK_LIBS"
327 asvitkine 1.56 WANT_GTK=gtk
328 gbeauche 1.1 ], [
329     AC_MSG_WARN([Could not find GTK+, disabling user interface.])
330 gbeauche 1.57 ])
331 gbeauche 1.1 fi
332 gbeauche 1.51 if [[ "x$WANT_GTK" != "xno" -a "x$WANT_STANDALONE_GUI" = "xno" ]]; then
333     AC_DEFINE(ENABLE_GTK, 1, [Define if using GTK.])
334     UISRCS=prefs_editor_gtk.cpp
335     fi
336 gbeauche 1.50 AC_SUBST(GUI_CFLAGS)
337     AC_SUBST(GUI_LIBS)
338    
339     dnl Build external GUI if requested.
340     if [[ "$WANT_STANDALONE_GUI" != "yes" ]]; then
341     WANT_STANDALONE_GUI=no
342     fi
343     if [[ "$WANT_GTK" = "no" ]]; then
344     WANT_STANDALONE_GUI=no
345     fi
346     AC_SUBST(STANDALONE_GUI, [$WANT_STANDALONE_GUI])
347 gbeauche 1.1
348     dnl We use ESD if possible.
349     if [[ "x$WANT_ESD" = "xyes" ]]; then
350 asvitkine 1.56 WANT_ESD=no
351 gbeauche 1.1 AM_PATH_ESD(0.2.8, [
352     AC_DEFINE(ENABLE_ESD, 1, [Define is using ESD.])
353     CFLAGS="$CFLAGS $ESD_CFLAGS"
354     CXXFLAGS="$CXXFLAGS $ESD_CFLAGS"
355     LIBS="$LIBS $ESD_LIBS"
356 asvitkine 1.56 WANT_ESD=yes
357 gbeauche 1.1 ], [
358     AC_MSG_WARN([Could not find ESD, disabling ESD support.])
359 gbeauche 1.57 ])
360 gbeauche 1.1 fi
361    
362 gbeauche 1.2 dnl We use 64-bit file size support if possible.
363     AC_SYS_LARGEFILE
364    
365 gbeauche 1.1 dnl Checks for header files.
366     AC_HEADER_STDC
367     AC_HEADER_SYS_WAIT
368 gbeauche 1.31 AC_CHECK_HEADERS(malloc.h stdint.h)
369 gbeauche 1.1 AC_CHECK_HEADERS(mach/vm_map.h mach/mach_init.h sys/mman.h)
370 gbeauche 1.4 AC_CHECK_HEADERS(unistd.h fcntl.h byteswap.h dirent.h)
371 gbeauche 1.32 AC_CHECK_HEADERS(sys/socket.h sys/ioctl.h sys/filio.h sys/bitypes.h sys/wait.h)
372     AC_CHECK_HEADERS(sys/time.h sys/poll.h sys/select.h arpa/inet.h)
373 asvitkine 1.73 AC_CHECK_HEADERS(netinet/in.h linux/if.h linux/if_tun.h net/if.h net/if_tun.h, [], [], [
374 gbeauche 1.32 #ifdef HAVE_SYS_TYPES_H
375     #include <sys/types.h>
376     #endif
377     #ifdef HAVE_SYS_SOCKET_H
378     #include <sys/socket.h>
379 gbeauche 1.1 #endif
380     ])
381 gbeauche 1.32 AC_CHECK_HEADERS(AvailabilityMacros.h)
382     AC_CHECK_HEADERS(IOKit/storage/IOBlockStorageDevice.h)
383 gbeauche 1.10 AC_CHECK_HEADERS(fenv.h)
384 asvitkine 1.75 AC_CHECK_HEADERS(sys/stropts.h stropts.h)
385 gbeauche 1.1
386     dnl Checks for typedefs, structures, and compiler characteristics.
387     AC_C_BIGENDIAN
388     AC_C_CONST
389     AC_C_INLINE
390     AC_CHECK_SIZEOF(short, 2)
391     AC_CHECK_SIZEOF(int, 4)
392     AC_CHECK_SIZEOF(long, 4)
393     AC_CHECK_SIZEOF(long long, 8)
394     AC_CHECK_SIZEOF(float, 4)
395     AC_CHECK_SIZEOF(double, 8)
396     AC_CHECK_SIZEOF(void *, 4)
397     AC_TYPE_OFF_T
398     AC_CHECK_TYPE(loff_t, off_t)
399     AC_TYPE_SIZE_T
400     AC_TYPE_SIGNAL
401     AC_HEADER_TIME
402     AC_STRUCT_TM
403    
404 gbeauche 1.34 dnl Check whether sys/socket.h defines type socklen_t.
405     dnl (extracted from ac-archive/Miscellaneous)
406     AC_CACHE_CHECK([for socklen_t],
407     ac_cv_type_socklen_t, [
408     AC_TRY_COMPILE([
409     #include <sys/types.h>
410     #include <sys/socket.h>
411     ], [socklen_t len = 42; return 0;],
412     ac_cv_type_socklen_t=yes, ac_cv_type_socklen_t=no,
413     dnl When cross-compiling, do not assume anything.
414     ac_cv_type_socklen_t="guessing no"
415     )
416     ])
417     if [[ "x$ac_cv_type_socklen_t" != "xyes" ]]; then
418     AC_DEFINE(socklen_t, int, [Define to 'int' if <sys/types.h> doesn't define.])
419     fi
420    
421 gbeauche 1.1 dnl Check whether struct sigaction has sa_restorer member.
422     AC_CACHE_CHECK([whether struct sigaction has sa_restorer],
423     ac_cv_signal_sa_restorer, [
424     AC_TRY_COMPILE([
425     #include <signal.h>
426     ], [struct sigaction sa; sa.sa_restorer = 0;],
427     ac_cv_signal_sa_restorer=yes, ac_cv_signal_sa_restorer=no,
428     dnl When cross-compiling, do not assume anything.
429     ac_cv_signal_sa_restorer=no
430     )
431     ])
432     if [[ "x$ac_cv_signal_sa_restorer" = "xyes" ]]; then
433     AC_DEFINE(HAVE_SIGNAL_SA_RESTORER, 1, [Define if sa_restorer is available in struct sigaction.])
434     fi
435    
436     dnl Checks for library functions.
437 gbeauche 1.32 AC_CHECK_FUNCS(strdup strerror strlcpy cfmakeraw)
438 gbeauche 1.1 AC_CHECK_FUNCS(nanosleep)
439     AC_CHECK_FUNCS(sigaction signal)
440     AC_CHECK_FUNCS(mmap mprotect munmap)
441     AC_CHECK_FUNCS(vm_allocate vm_deallocate vm_protect)
442 gbeauche 1.26 AC_CHECK_FUNCS(exp2f log2f exp2 log2)
443     AC_CHECK_FUNCS(floorf roundf ceilf truncf floor round ceil trunc)
444 gbeauche 1.32 AC_CHECK_FUNCS(poll inet_aton)
445 gbeauche 1.1
446     dnl Darwin seems to define mach_task_self() instead of task_self().
447     AC_CHECK_FUNCS(mach_task_self task_self)
448    
449     dnl We need clock_gettime() for better performance but it may drag
450     dnl libpthread in, which we don't want for native ppc mode
451     case $EMULATED_PPC:$target_os in
452     no:linux*)
453     ;;
454     *:*)
455     AC_SEARCH_LIBS(clock_gettime, [rt posix4])
456 gbeauche 1.18 AC_CHECK_FUNCS(clock_gettime clock_nanosleep)
457 gbeauche 1.1 ;;
458     esac
459    
460 gbeauche 1.9 dnl Check for headers and functions related to pty support (sshpty.c)
461     dnl From openssh-3.2.2p1 configure.ac
462     AC_CHECK_HEADERS(strings.h login.h sys/bsdtty.h sys/stat.h util.h pty.h)
463     AC_CHECK_FUNCS(_getpty vhangup strlcpy)
464    
465     case "$host" in
466     *-*-hpux10.26)
467     disable_ptmx_check=yes
468     ;;
469     *-*-linux*)
470     no_dev_ptmx=1
471     ;;
472     mips-sony-bsd|mips-sony-newsos4)
473     AC_DEFINE(HAVE_NEWS4, 1, [Define if you are on NEWS-OS (additions from openssh-3.2.2p1, for sshpty.c).])
474     ;;
475     *-*-sco3.2v4*)
476     no_dev_ptmx=1
477     ;;
478     *-*-sco3.2v5*)
479     no_dev_ptmx=1
480     ;;
481     *-*-cygwin*)
482     no_dev_ptmx=1
483     ;;
484 asvitkine 1.62 *-*-darwin*)
485     no_dev_ptmx=1
486     ;;
487 gbeauche 1.9 esac
488    
489     if test -z "$no_dev_ptmx" ; then
490     if test "x$disable_ptmx_check" != "xyes" ; then
491     AC_CHECK_FILE([/dev/ptmx],
492     [
493     AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX, 1, [Define if you have /dev/ptmx.])
494     have_dev_ptmx=1
495     ]
496     )
497     fi
498     fi
499     AC_CHECK_FILE([/dev/ptc],
500     [
501     AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC, 1, [Define if you have /dev/ptc.])
502     have_dev_ptc=1
503     ]
504     )
505     dnl (end of code from openssh-3.2.2p1 configure.ac)
506    
507 gbeauche 1.47 dnl Check for systems where POSIX-style non-blocking I/O (O_NONBLOCK)
508     dnl doesn't work or is unimplemented. On these systems (mostly older
509     dnl ones), use the old BSD-style FIONBIO approach instead. [tcl.m4]
510     AC_CACHE_CHECK([FIONBIO vs. O_NONBLOCK for non-blocking I/O],
511     ac_cv_nonblocking_io, [
512     case "$host" in
513     *-*-osf*)
514     ac_cv_nonblocking_io=FIONBIO
515     ;;
516     *-*-sunos4*)
517     ac_cv_nonblocking_io=FIONBIO
518     ;;
519     *-*-ultrix*)
520     ac_cv_nonblocking_io=FIONBIO
521     ;;
522     *)
523     ac_cv_nonblocking_io=O_NONBLOCK
524     ;;
525     esac
526     ])
527     if [[ "$ac_cv_nonblocking_io" = "FIONBIO" ]]; then
528     AC_DEFINE(USE_FIONBIO, 1, [Define if BSD-style non-blocking I/O is to be used])
529     fi
530    
531 gbeauche 1.48 dnl Check whether compiler supports byte bit-fields
532     AC_CACHE_CHECK([whether compiler supports byte bit-fields],
533     ac_cv_have_byte_bitfields, [
534     AC_LANG_SAVE
535     AC_LANG_CPLUSPLUS
536     AC_TRY_RUN([
537     struct A {
538     unsigned char b1:4;
539     unsigned char b2:4;
540     unsigned char c;
541     unsigned short s;
542     unsigned char a[4];
543     };
544    
545     int main(void) {
546     A a;
547     return ! (sizeof(A) == 8 && &a.c == ((unsigned char *)&a + 1));
548     }],
549     [ac_cv_have_byte_bitfields=yes],
550     [ac_cv_have_byte_bitfields=no],
551     dnl When cross-compiling, assume only GCC supports this
552     [if [[ "$GCC" = "yes" ]]; then
553     ac_cv_have_byte_bitfields="guessing yes"
554     else
555     ac_cv_have_byte_bitfields="guessing no"
556     fi]
557     )
558     AC_LANG_RESTORE
559     ])
560    
561 gbeauche 1.1 dnl AC_CHECK_FRAMEWORK($1=NAME, $2=INCLUDES)
562 gbeauche 1.49 AC_DEFUN([AC_CHECK_FRAMEWORK], [
563 gbeauche 1.1 AS_VAR_PUSHDEF([ac_Framework], [ac_cv_framework_$1])dnl
564     AC_CACHE_CHECK([whether compiler supports framework $1],
565     ac_Framework, [
566     saved_LIBS="$LIBS"
567     LIBS="$LIBS -framework $1"
568     AC_TRY_LINK(
569 gbeauche 1.45 [$2], [],
570 gbeauche 1.1 [AS_VAR_SET(ac_Framework, yes)], [AS_VAR_SET(ac_Framework, no); LIBS="$saved_LIBS"]
571     )
572     ])
573     AS_IF([test AS_VAR_GET(ac_Framework) = yes],
574     [AC_DEFINE(AS_TR_CPP(HAVE_FRAMEWORK_$1), 1, [Define if framework $1 is available.])]
575     )
576     AS_VAR_POPDEF([ac_Framework])dnl
577     ])
578    
579     dnl Check for some MacOS X frameworks
580     AC_CHECK_FRAMEWORK(Carbon, [#include <Carbon/Carbon.h>])
581     AC_CHECK_FRAMEWORK(IOKit, [#include <IOKit/IOKitLib.h>])
582 gbeauche 1.37 AC_CHECK_FRAMEWORK(CoreFoundation, [#include <CoreFoundation/CoreFoundation.h>])
583 gbeauche 1.59 AC_CHECK_FRAMEWORK(CoreAudio, [#include <CoreAudio/CoreAudio.h>])
584     AC_CHECK_FRAMEWORK(AudioUnit, [#include <AudioUnit/AudioUnit.h>])
585     AC_CHECK_FRAMEWORK(AudioToolbox, [#include <AudioToolbox/AudioToolbox.h>])
586 asvitkine 1.63 AC_CHECK_FRAMEWORK(AppKit, [])
587 gbeauche 1.1
588     dnl Select system-dependant sources.
589     SERIALSRC=serial_unix.cpp
590     ETHERSRC=../dummy/ether_dummy.cpp
591     SCSISRC=../dummy/scsi_dummy.cpp
592     AUDIOSRC=../dummy/audio_dummy.cpp
593 asvitkine 1.60 PREFSSRC=../dummy/prefs_dummy.cpp
594 gbeauche 1.6 EXTFSSRC=extfs_unix.cpp
595 gbeauche 1.1 EXTRASYSSRCS=
596     case "$target_os" in
597     linux*)
598 gbeauche 1.32 ETHERSRC=ether_unix.cpp
599 gbeauche 1.1 AUDIOSRC=audio_oss_esd.cpp
600     SCSISRC=Linux/scsi_linux.cpp
601     if [[ "x$EMULATED_PPC" = "xno" ]]; then
602 gbeauche 1.35 EXTRASYSSRCS="paranoia.cpp Linux/sheepthreads.c ppc_asm.S"
603 gbeauche 1.17 fi
604     ;;
605 gbeauche 1.32 freebsd*)
606     ETHERSRC=ether_unix.cpp
607     ;;
608 gbeauche 1.17 netbsd*)
609 gbeauche 1.32 ETHERSRC=ether_unix.cpp
610 gbeauche 1.17 if [[ "x$EMULATED_PPC" = "xno" ]]; then
611 gbeauche 1.35 EXTRASYSSRCS="paranoia.cpp NetBSD/sheepthreads.c ppc_asm.S"
612 gbeauche 1.1 fi
613     ;;
614     darwin*)
615 gbeauche 1.32 ETHERSRC=ether_unix.cpp
616 gbeauche 1.1 if [[ "x$EMULATED_PPC" = "xno" ]]; then
617 gbeauche 1.35 EXTRASYSSRCS="paranoia.cpp ppc_asm.S"
618 gbeauche 1.1 fi
619 gbeauche 1.37 if [[ "x$ac_cv_framework_IOKit" = "xyes" -a "x$ac_cv_framework_CoreFoundation" = "xyes" ]]; then
620 gbeauche 1.1 EXTRASYSSRCS="$EXTRASYSSRCS ../MacOSX/sys_darwin.cpp"
621     fi
622 gbeauche 1.6 if [[ "x$ac_cv_framework_Carbon" = "xyes" ]]; then
623 gbeauche 1.61 EXTFSSRC=../MacOSX/extfs_macosx.cpp
624 asvitkine 1.65 if [[ "x$ac_cv_framework_AppKit" = "xyes" -a "x$WANT_GTK" = "xno" ]]; then
625 asvitkine 1.66 PREFSSRC="../MacOSX/prefs_macosx.mm ../MacOSX/Launcher/VMSettingsController.mm"
626     CPPFLAGS="$CPPFLAGS -I../MacOSX/Launcher"
627 asvitkine 1.63 fi
628     fi
629 asvitkine 1.64 if [[ "x$WANT_ESD" = "xno" -a "x$ac_cv_framework_CoreAudio" = "xyes" -a "x$WANT_SDL_AUDIO" = "xno" ]]; then
630 gbeauche 1.59 AUDIOSRC="../MacOSX/audio_macosx.cpp ../MacOSX/AudioBackEnd.cpp ../MacOSX/AudioDevice.cpp ../MacOSX/MacOSX_sound_if.cpp"
631 asvitkine 1.68 OSX_CORE_AUDIO="-DOSX_CORE_AUDIO"
632 gbeauche 1.59 fi
633 gbeauche 1.1 ;;
634 gbeauche 1.42 irix*)
635     AUDIOSRC=Irix/audio_irix.cpp
636     LIBS="$LIBS -laudio"
637     WANT_ESD=no
638 gbeauche 1.43
639     dnl Check if our compiler supports -IPA (MIPSPro)
640     HAVE_IPA=no
641     ocflags="$CFLAGS"
642     CFLAGS=`echo " $CFLAGS -IPA" | sed -e "s/ -g //g"`
643     AC_MSG_CHECKING(if "-IPA" works)
644     dnl Do a test compile of an empty function
645     AC_TRY_COMPILE([#if defined __GNUC__
646     # error GCC does not support IPA yet
647     #endif],, [AC_MSG_RESULT(yes); HAVE_IPA=yes], AC_MSG_RESULT(no))
648     CFLAGS="$ocflags"
649 gbeauche 1.42 ;;
650 gbeauche 1.1 esac
651    
652 asvitkine 1.68 dnl BINCUE
653     AS_IF([test "x$with_bincue" = "xyes" ], [have_bincue=yes], [have_bincue=no])
654     AS_IF([test "x$have_bincue" = "xyes" ], [
655     if [[ "xOSX_CORE_AUDIO" = "xno" -a "x$WANT_SDL_AUDIO"="xno"]]; then
656     AC_MSG_ERROR([You need SDL or OSX Core Audio to use BINCUE support.])
657     else
658     CPPFLAGS="$CPPFLAGS -DBINCUE $OSX_CORE_AUDIO"
659     fi
660     ])
661    
662 asvitkine 1.69 dnl LIBVHD
663     AS_IF([test "x$with_libvhd" = "xyes" ], [have_libvhd=yes], [have_libvhd=no])
664     AS_IF([test "x$have_libvhd" = "xyes" ], [
665     CPPFLAGS="$CPPFLAGS -DHAVE_LIBVHD"
666     LIBS="$LIBS -lvhd"
667     case $target_os in
668     linux*)
669     LIBS="$LIBS -luuid"
670     esac
671     AC_CHECK_LIB(vhd, vhd_open)
672     AC_CHECK_LIB(vhd, vhd_io_read)
673     AC_CHECK_LIB(vhd, vhd_io_write)
674     AC_CHECK_LIB(vhd, vhd_close)
675     ])
676    
677    
678    
679 asvitkine 1.68
680 gbeauche 1.32 dnl Is the slirp library supported?
681 gbeauche 1.48 case "$ac_cv_have_byte_bitfields" in
682     yes|"guessing yes")
683     CAN_SLIRP=yes
684     ETHERSRC=ether_unix.cpp
685     ;;
686     esac
687     if [[ -n "$CAN_SLIRP" ]]; then
688 gbeauche 1.32 AC_DEFINE(HAVE_SLIRP, 1, [Define if slirp library is supported])
689     SLIRP_SRCS="\
690     ../slirp/bootp.c ../slirp/ip_output.c ../slirp/tcp_input.c \
691     ../slirp/cksum.c ../slirp/mbuf.c ../slirp/tcp_output.c \
692     ../slirp/debug.c ../slirp/misc.c ../slirp/tcp_subr.c \
693     ../slirp/if.c ../slirp/sbuf.c ../slirp/tcp_timer.c \
694     ../slirp/ip_icmp.c ../slirp/slirp.c ../slirp/tftp.c \
695     ../slirp/ip_input.c ../slirp/socket.c ../slirp/udp.c"
696     fi
697     AC_SUBST(SLIRP_SRCS)
698    
699 gbeauche 1.1 dnl SDL overrides
700     if [[ "x$WANT_SDL" = "xyes" ]]; then
701     AC_DEFINE(USE_SDL, 1, [Define to enble SDL support.])
702 asvitkine 1.64 if [[ "x$WANT_SDL_FRAMEWORK" = "xyes" ]]; then
703     EXTRASYSSRCS="$EXTRASYSSRCS ../SDL/SDLMain.m"
704     fi
705 gbeauche 1.1 fi
706     if [[ "x$WANT_SDL_VIDEO" = "xyes" ]]; then
707 gbeauche 1.7 AC_DEFINE(USE_SDL_VIDEO, 1, [Define to enable SDL video graphics support.])
708 gbeauche 1.1 VIDEOSRCS="../SDL/video_sdl.cpp"
709     KEYCODES="../SDL/keycodes"
710     if [[ "x$ac_cv_framework_Carbon" = "xyes" ]]; then
711     EXTRASYSSRCS="$EXTRASYSSRCS ../MacOSX/clip_macosx.cpp"
712 asvitkine 1.71 EXTRASYSSRCS="$EXTRASYSSRCS ../MacOSX/utils_macosx.mm"
713     CPPFLAGS="$CPPFLAGS -I../MacOSX"
714 gbeauche 1.1 else
715 gbeauche 1.33 EXTRASYSSRCS="$EXTRASYSSRCS ../dummy/clip_dummy.cpp"
716 gbeauche 1.1 fi
717     else
718     VIDEOSRCS="video_x.cpp"
719     KEYCODES="keycodes"
720     EXTRASYSSRCS="$EXTRASYSSRCS clip_unix.cpp"
721     fi
722 gbeauche 1.7 if [[ "x$WANT_SDL_AUDIO" = "xyes" ]]; then
723     AC_DEFINE(USE_SDL_AUDIO, 1, [Define to enable SDL audio support])
724     AUDIOSRC="../SDL/audio_sdl.cpp"
725     fi
726 gbeauche 1.1
727 asvitkine 1.68 dnl BINCUE overrides
728    
729     if [[ "x$have_bincue" = "xyes" ]]; then
730     EXTRASYSSRCS="$EXTRASYSSRCS bincue_unix.cpp"
731     fi
732    
733 asvitkine 1.69 dnl libvhd overrides
734    
735     if [[ "x$have_libvhd" = "xyes" ]]; then
736     EXTRASYSSRCS="$EXTRASYSSRCS vhd_unix.cpp"
737     fi
738    
739 asvitkine 1.68
740 asvitkine 1.60 SYSSRCS="$VIDEOSRCS $EXTFSSRC $PREFSSRC $SERIALSRC $ETHERSRC $SCSISRC $AUDIOSRC $SEMSRC $UISRCS $EXTRASYSSRCS"
741 gbeauche 1.1
742     dnl Define a macro that translates a yesno-variable into a C macro definition
743     dnl to be put into the config.h file
744     dnl $1 -- the macro to define
745     dnl $2 -- the value to translate
746     dnl $3 -- template name
747 gbeauche 1.49 AC_DEFUN([AC_TRANSLATE_DEFINE], [
748 gbeauche 1.1 if [[ "x$2" = "xyes" -o "x$2" = "xguessing yes" ]]; then
749     AC_DEFINE($1, 1, $3)
750     fi
751     ])
752    
753     dnl Check that the host supports TUN/TAP devices
754     AC_CACHE_CHECK([whether TUN/TAP is supported],
755     ac_cv_tun_tap_support, [
756     AC_TRY_COMPILE([
757 asvitkine 1.73 #if defined(HAVE_NETINET_IN_H)
758     #include <netinet/in.h>
759     #endif
760 gbeauche 1.1 #if defined(HAVE_LINUX_IF_H) && defined(HAVE_LINUX_IF_TUN_H)
761     #include <linux/if.h>
762     #include <linux/if_tun.h>
763     #endif
764     #if defined(HAVE_NET_IF_H) && defined(HAVE_NET_IF_TUN_H)
765     #include <net/if.h>
766     #include <net/if_tun.h>
767     #endif
768     ], [
769     struct ifreq ifr;
770     memset(&ifr, 0, sizeof(ifr));
771     ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
772     ],
773     ac_cv_tun_tap_support=yes, ac_cv_tun_tap_support=no
774     )
775     ])
776     AC_TRANSLATE_DEFINE(ENABLE_TUNTAP, "$ac_cv_tun_tap_support",
777     [Define if your system supports TUN/TAP devices.])
778    
779     dnl Various checks if the system supports vm_allocate() and the like functions.
780     have_mach_vm=no
781     if [[ "x$ac_cv_func_vm_allocate" = "xyes" -a "x$ac_cv_func_vm_deallocate" = "xyes" -a \
782     "x$ac_cv_func_vm_protect" = "xyes" ]]; then
783     have_mach_vm=yes
784     fi
785     AC_TRANSLATE_DEFINE(HAVE_MACH_VM, "$have_mach_vm",
786     [Define if your system has a working vm_allocate()-based memory allocator.])
787    
788     dnl Check that vm_allocate(), vm_protect() work
789     if [[ "x$have_mach_vm" = "xyes" ]]; then
790    
791     AC_CACHE_CHECK([whether vm_protect works],
792     ac_cv_vm_protect_works, [
793     AC_LANG_SAVE
794     AC_LANG_CPLUSPLUS
795     ac_cv_vm_protect_works=yes
796     dnl First the tests that should segfault
797     for test_def in NONE_READ NONE_WRITE READ_WRITE; do
798     AC_TRY_RUN([
799     #define CONFIGURE_TEST_VM_MAP
800     #define TEST_VM_PROT_$test_def
801     #include "vm_alloc.cpp"
802     ], ac_cv_vm_protect_works=no, rm -f core,
803     dnl When cross-compiling, do not assume anything
804     ac_cv_vm_protect_works="guessing no"
805     )
806     done
807     AC_TRY_RUN([
808     #define CONFIGURE_TEST_VM_MAP
809     #define TEST_VM_PROT_RDWR_WRITE
810     #include "vm_alloc.cpp"
811     ], , ac_cv_vm_protect_works=no,
812     dnl When cross-compiling, do not assume anything
813     ac_cv_vm_protect_works="guessing no"
814     )
815     AC_LANG_RESTORE
816     ]
817     )
818    
819     dnl Remove support for vm_allocate() if vm_protect() does not work
820     if [[ "x$have_mach_vm" = "xyes" ]]; then
821     case $ac_cv_vm_protect_works in
822     *yes) have_mach_vm=yes;;
823     *no) have_mach_vm=no;;
824     esac
825     fi
826     AC_TRANSLATE_DEFINE(HAVE_MACH_VM, "$have_mach_vm",
827     [Define if your system has a working vm_allocate()-based memory allocator.])
828    
829     fi dnl HAVE_MACH_VM
830    
831     dnl Various checks if the system supports mmap() and the like functions.
832     dnl ... and Mach memory allocators are not supported
833     have_mmap_vm=no
834     if [[ "x$ac_cv_func_mmap" = "xyes" -a "x$ac_cv_func_munmap" = "xyes" -a \
835     "x$ac_cv_func_mprotect" = "xyes" ]]; then
836     if [[ "x$have_mach_vm" = "xno" ]]; then
837     have_mmap_vm=yes
838     fi
839     fi
840     AC_TRANSLATE_DEFINE(HAVE_MMAP_VM, "$have_mmap_vm",
841     [Define if your system has a working mmap()-based memory allocator.])
842    
843     dnl Check that mmap() and associated functions work.
844     if [[ "x$have_mmap_vm" = "xyes" ]]; then
845    
846     dnl Check if we have a working anonymous mmap()
847     AC_CACHE_CHECK([whether mmap supports MAP_ANON],
848     ac_cv_mmap_anon, [
849     AC_LANG_SAVE
850     AC_LANG_CPLUSPLUS
851     AC_TRY_RUN([
852     #define HAVE_MMAP_ANON
853     #define CONFIGURE_TEST_VM_MAP
854     #define TEST_VM_MMAP_ANON
855     #include "vm_alloc.cpp"
856     ], ac_cv_mmap_anon=yes, ac_cv_mmap_anon=no,
857     dnl When cross-compiling, do not assume anything.
858     ac_cv_mmap_anon="guessing no"
859     )
860     AC_LANG_RESTORE
861     ]
862     )
863     AC_TRANSLATE_DEFINE(HAVE_MMAP_ANON, "$ac_cv_mmap_anon",
864     [Define if <sys/mman.h> defines MAP_ANON and mmap()'ing with MAP_ANON works.])
865    
866     AC_CACHE_CHECK([whether mmap supports MAP_ANONYMOUS],
867     ac_cv_mmap_anonymous, [
868     AC_LANG_SAVE
869     AC_LANG_CPLUSPLUS
870     AC_TRY_RUN([
871     #define HAVE_MMAP_ANONYMOUS
872     #define CONFIGURE_TEST_VM_MAP
873     #define TEST_VM_MMAP_ANON
874     #include "vm_alloc.cpp"
875     ], ac_cv_mmap_anonymous=yes, ac_cv_mmap_anonymous=no,
876     dnl When cross-compiling, do not assume anything.
877     ac_cv_mmap_anonymous="guessing no"
878     )
879     AC_LANG_RESTORE
880     ]
881     )
882     AC_TRANSLATE_DEFINE(HAVE_MMAP_ANONYMOUS, "$ac_cv_mmap_anonymous",
883     [Define if <sys/mman.h> defines MAP_ANONYMOUS and mmap()'ing with MAP_ANONYMOUS works.])
884    
885     AC_CACHE_CHECK([whether mprotect works],
886     ac_cv_mprotect_works, [
887     AC_LANG_SAVE
888     AC_LANG_CPLUSPLUS
889     ac_cv_mprotect_works=yes
890     dnl First the tests that should segfault
891     for test_def in NONE_READ NONE_WRITE READ_WRITE; do
892     AC_TRY_RUN([
893     #define CONFIGURE_TEST_VM_MAP
894     #define TEST_VM_PROT_$test_def
895     #include "vm_alloc.cpp"
896     ], ac_cv_mprotect_works=no, rm -f core,
897     dnl When cross-compiling, do not assume anything
898     ac_cv_mprotect_works="guessing no"
899     )
900     done
901     AC_TRY_RUN([
902     #define CONFIGURE_TEST_VM_MAP
903     #define TEST_VM_PROT_RDWR_WRITE
904     #include "vm_alloc.cpp"
905     ], , ac_cv_mprotect_works=no,
906     dnl When cross-compiling, do not assume anything
907     ac_cv_mprotect_works="guessing no"
908     )
909     AC_LANG_RESTORE
910     ]
911     )
912    
913     dnl Remove support for mmap() if mprotect() does not work
914     if [[ "x$have_mmap_vm" = "xyes" ]]; then
915     case $ac_cv_mprotect_works in
916     *yes) have_mmap_vm=yes;;
917     *no) have_mmap_vm=no;;
918     esac
919     fi
920     AC_TRANSLATE_DEFINE(HAVE_MMAP_VM, $have_mmap_vm,
921     [Define if your system has a working mmap()-based memory allocator.])
922    
923     fi dnl HAVE_MMAP_VM
924    
925     dnl Check if we can modify the __PAGEZERO segment for use as Low Memory
926     AC_CACHE_CHECK([whether __PAGEZERO can be Low Memory area 0x0000-0x3000],
927     ac_cv_pagezero_hack, [
928     ac_cv_pagezero_hack=no
929     if AC_TRY_COMMAND([Darwin/testlmem.sh 0x3000]); then
930     ac_cv_pagezero_hack=yes
931     dnl might as well skip the test for mmap-able low memory
932     ac_cv_can_map_lm=no
933     fi
934     ])
935     AC_TRANSLATE_DEFINE(PAGEZERO_HACK, "$ac_cv_pagezero_hack",
936     [Define if the __PAGEZERO Mach-O Low Memory Globals hack works on this system.])
937    
938     dnl Check if we can mmap 0x3000 bytes from 0x0000
939     AC_CACHE_CHECK([whether we can map Low Memory area 0x0000-0x3000],
940     ac_cv_can_map_lm, [
941     AC_LANG_SAVE
942     AC_LANG_CPLUSPLUS
943     AC_TRY_RUN([
944     #include "vm_alloc.cpp"
945     int main(void) { /* returns 0 if we could map the lowmem globals */
946     volatile char * lm = 0;
947     if (vm_init() < 0) exit(1);
948     if (vm_acquire_fixed(0, 0x2000) < 0) exit(1);
949     lm[0] = 'z';
950     if (vm_release((char *)lm, 0x2000) < 0) exit(1);
951     vm_exit(); exit(0);
952     }
953     ], ac_cv_can_map_lm=yes, ac_cv_can_map_lm=no,
954     dnl When cross-compiling, do not assume anything.
955     ac_cv_can_map_lm="guessing no"
956     )
957     AC_LANG_RESTORE
958     ]
959     )
960    
961     dnl Check signal handlers need to be reinstalled
962     AC_CACHE_CHECK([whether signal handlers need to be reinstalled],
963     ac_cv_signal_need_reinstall, [
964     AC_LANG_SAVE
965     AC_LANG_CPLUSPLUS
966     AC_TRY_RUN([
967     #include <stdlib.h>
968     #ifdef HAVE_UNISTD_H
969     #include <unistd.h>
970     #endif
971     #include <signal.h>
972     static int handled_signal = 0;
973     RETSIGTYPE sigusr1_handler(int) { handled_signal++; }
974     int main(void) { /* returns 0 if signals need not to be reinstalled */
975     signal(SIGUSR1, sigusr1_handler); raise(SIGUSR1); raise(SIGUSR1);
976     exit(handled_signal == 2);
977     }
978     ], ac_cv_signal_need_reinstall=yes, ac_cv_signal_need_reinstall=no,
979     dnl When cross-compiling, do not assume anything.
980     ac_cv_signal_need_reinstall="guessing yes"
981     )
982     AC_LANG_RESTORE
983     ]
984     )
985     AC_TRANSLATE_DEFINE(SIGNAL_NEED_REINSTALL, "$ac_cv_signal_need_reinstall",
986     [Define if your system requires signals to be reinstalled.])
987    
988     dnl Check if sigaction handlers need to be reinstalled
989     AC_CACHE_CHECK([whether sigaction handlers need to be reinstalled],
990     ac_cv_sigaction_need_reinstall, [
991     AC_LANG_SAVE
992     AC_LANG_CPLUSPLUS
993     AC_TRY_RUN([
994     #include <stdlib.h>
995     #ifdef HAVE_UNISTD_H
996     #include <unistd.h>
997     #endif
998     #include <signal.h>
999     static int handled_signal = 0;
1000     RETSIGTYPE sigusr1_handler(int) { handled_signal++; }
1001     typedef RETSIGTYPE (*signal_handler)(int);
1002     static signal_handler mysignal(int sig, signal_handler handler) {
1003     struct sigaction old_sa;
1004     struct sigaction new_sa;
1005     new_sa.sa_handler = handler;
1006     return ((sigaction(sig,&new_sa,&old_sa) < 0) ? SIG_IGN : old_sa.sa_handler);
1007     }
1008     int main(void) { /* returns 0 if signals need not to be reinstalled */
1009     mysignal(SIGUSR1, sigusr1_handler); raise(SIGUSR1); raise(SIGUSR1);
1010     exit(handled_signal == 2);
1011     }
1012     ], ac_cv_sigaction_need_reinstall=yes, ac_cv_sigaction_need_reinstall=no,
1013     dnl When cross-compiling, do not assume anything.
1014     ac_cv_sigaction_need_reinstall="guessing yes"
1015     )
1016     AC_LANG_RESTORE
1017     ]
1018     )
1019     AC_TRANSLATE_DEFINE(SIGACTION_NEED_REINSTALL, "$ac_cv_sigaction_need_reinstall",
1020     [Define if your system requires sigactions to be reinstalled.])
1021    
1022     dnl Check if Mach exceptions supported.
1023     AC_CACHE_CHECK([whether your system supports Mach exceptions],
1024     ac_cv_have_mach_exceptions, [
1025     AC_LANG_SAVE
1026     AC_LANG_CPLUSPLUS
1027     AC_TRY_RUN([
1028     #define HAVE_MACH_EXCEPTIONS 1
1029     #define CONFIGURE_TEST_SIGSEGV_RECOVERY
1030     #include "vm_alloc.cpp"
1031     #include "sigsegv.cpp"
1032     ],
1033     ac_cv_have_mach_exceptions=yes,
1034     ac_cv_have_mach_exceptions=no,
1035     dnl When cross-compiling, do not assume anything.
1036     ac_cv_have_mach_exceptions=no
1037     )
1038     AC_LANG_RESTORE
1039     ]
1040     )
1041     if [[ "$ac_cv_have_mach_exceptions" = "yes" ]]; then
1042     sigsegv_recovery=mach
1043     fi
1044     AC_TRANSLATE_DEFINE(HAVE_MACH_EXCEPTIONS, "$ac_cv_have_mach_exceptions",
1045     [Define if your system supports Mach exceptions.])
1046    
1047 gbeauche 1.9 dnl Check if Windows exceptions are supported.
1048     AC_CACHE_CHECK([whether your system supports Windows exceptions],
1049     ac_cv_have_win32_exceptions, [
1050     AC_LANG_SAVE
1051     AC_LANG_CPLUSPLUS
1052     AC_TRY_RUN([
1053     #define HAVE_WIN32_EXCEPTIONS 1
1054     #define CONFIGURE_TEST_SIGSEGV_RECOVERY
1055     #include "vm_alloc.cpp"
1056     #include "sigsegv.cpp"
1057     ], [
1058     sigsegv_recovery=win32
1059     ac_cv_have_win32_exceptions=yes
1060     ],
1061     ac_cv_have_win32_exceptions=no,
1062     dnl When cross-compiling, do not assume anything.
1063     ac_cv_have_win32_exceptions=no
1064     )
1065     AC_LANG_RESTORE
1066     ]
1067     )
1068     AC_TRANSLATE_DEFINE(HAVE_WIN32_EXCEPTIONS, "$ac_cv_have_win32_exceptions",
1069     [Define if your system supports Windows exceptions.])
1070    
1071 gbeauche 1.1 dnl Otherwise, check if extended signals are supported.
1072     if [[ -z "$sigsegv_recovery" ]]; then
1073     AC_CACHE_CHECK([whether your system supports extended signal handlers],
1074     ac_cv_have_extended_signals, [
1075     AC_LANG_SAVE
1076     AC_LANG_CPLUSPLUS
1077     AC_TRY_RUN([
1078     #define HAVE_SIGINFO_T 1
1079     #define CONFIGURE_TEST_SIGSEGV_RECOVERY
1080     #include "vm_alloc.cpp"
1081     #include "sigsegv.cpp"
1082     ],
1083     ac_cv_have_extended_signals=yes,
1084     ac_cv_have_extended_signals=no,
1085     dnl When cross-compiling, do not assume anything.
1086     ac_cv_have_extended_signals=no
1087     )
1088     AC_LANG_RESTORE
1089     ]
1090     )
1091     if [[ "$ac_cv_have_extended_signals" = "yes" ]]; then
1092     sigsegv_recovery=siginfo
1093     fi
1094     AC_TRANSLATE_DEFINE(HAVE_SIGINFO_T, "$ac_cv_have_extended_signals",
1095     [Define if your system support extended signals.])
1096     fi
1097    
1098     dnl Otherwise, check for subterfuges.
1099     if [[ -z "$sigsegv_recovery" ]]; then
1100     AC_CACHE_CHECK([whether we then have a subterfuge for your system],
1101     ac_cv_have_sigcontext_hack, [
1102     AC_LANG_SAVE
1103     AC_LANG_CPLUSPLUS
1104     AC_TRY_RUN([
1105     #define HAVE_SIGCONTEXT_SUBTERFUGE 1
1106     #define CONFIGURE_TEST_SIGSEGV_RECOVERY
1107     #include "vm_alloc.cpp"
1108     #include "sigsegv.cpp"
1109     ],
1110     ac_cv_have_sigcontext_hack=yes,
1111     ac_cv_have_sigcontext_hack=no,
1112     dnl When cross-compiling, do not assume anything.
1113     ac_cv_have_sigcontext_hack=no
1114     )
1115     AC_LANG_RESTORE
1116     ])
1117     if [[ "$ac_cv_have_sigcontext_hack" = "yes" ]]; then
1118     sigsegv_recovery=sigcontext
1119     fi
1120     AC_TRANSLATE_DEFINE(HAVE_SIGCONTEXT_SUBTERFUGE, "$ac_cv_have_sigcontext_hack",
1121     [Define if we know a hack to replace siginfo_t->si_addr member.])
1122     fi
1123    
1124     dnl Check if we can ignore the fault (instruction skipping in SIGSEGV handler)
1125     AC_CACHE_CHECK([whether we can skip instruction in SIGSEGV handler],
1126     ac_cv_have_skip_instruction, [
1127     AC_LANG_SAVE
1128     AC_LANG_CPLUSPLUS
1129     AC_TRY_RUN([
1130     #define HAVE_SIGSEGV_SKIP_INSTRUCTION 1
1131     #define CONFIGURE_TEST_SIGSEGV_RECOVERY
1132     #include "vm_alloc.cpp"
1133     #include "sigsegv.cpp"
1134     ], ac_cv_have_skip_instruction=yes, ac_cv_have_skip_instruction=no,
1135     dnl When cross-compiling, do not assume anything.
1136     ac_cv_have_skip_instruction=no
1137     )
1138     AC_LANG_RESTORE
1139     ]
1140     )
1141     AC_TRANSLATE_DEFINE(HAVE_SIGSEGV_SKIP_INSTRUCTION, "$ac_cv_have_skip_instruction",
1142     [Define if we can ignore the fault (instruction skipping in SIGSEGV handler).])
1143    
1144     dnl Can we do Video on SEGV Signals ?
1145     CAN_VOSF=no
1146     if [[ -n "$sigsegv_recovery" ]]; then
1147     CAN_VOSF=yes
1148     fi
1149    
1150     dnl Enable VOSF screen updates with this feature is requested and feasible
1151     if [[ "x$WANT_VOSF" = "xyes" -a "x$CAN_VOSF" = "xyes" ]]; then
1152     AC_DEFINE(ENABLE_VOSF, 1, [Define if using video enabled on SEGV signals.])
1153     else
1154     WANT_VOSF=no
1155     fi
1156    
1157 gbeauche 1.8 dnl Check addressing mode to use
1158     AC_MSG_CHECKING([for addressing mode to use])
1159     if [[ "$EMULATED_PPC" != "yes" ]]; then
1160     if [[ "$WANT_ADDRESSING_MODE" != "real" ]]; then
1161     AC_MSG_WARN([Running in native PowerPC mode, force use of Real Addressing.])
1162     WANT_ADDRESSING_MODE="real"
1163     fi
1164     fi
1165     if [[ "$WANT_ADDRESSING_MODE" = "direct" ]]; then
1166     if [[ -n "$NATMEM_OFFSET" ]]; then
1167     NATMEM_OFFSET_DEF="-DNATMEM_OFFSET=$NATMEM_OFFSET"
1168     fi
1169     AC_LANG_SAVE
1170     AC_LANG_CPLUSPLUS
1171     cat confdefs.h > conftest.$ac_ext
1172     cat >> conftest.$ac_ext << EOF
1173     #include <stdio.h>
1174     #include <string.h>
1175     #include "vm_alloc.cpp"
1176    
1177     int main(void)
1178     {
1179     if (vm_init() < 0)
1180     return 1;
1181    
1182     static const struct {
1183     unsigned long base;
1184     unsigned int size;
1185     } ranges[[]] = {
1186     { 0x00000000, 0x0003000 },
1187     { 0x10000000, 0x2000000 },
1188     { 0x40800000, 0x0400000 },
1189     { 0x68070000, 0x0010000 },
1190     { 0x69000000, 0x0080000 },
1191     { 0x68ffe000, 0x0002000 },
1192     { 0x5fffe000, 0x0002000 },
1193     { 0x60000000, 0x0040000 },
1194     };
1195     const int n_ranges = sizeof(ranges)/ sizeof(ranges[[0]]);
1196    
1197     #ifdef NATMEM_OFFSET
1198     unsigned long ofs = NATMEM_OFFSET;
1199     #else
1200     for (unsigned long ofs = 0x10000000; ofs <= 0x90000000; ofs += 0x10000000)
1201     #endif
1202     for (int i = 0; i < n_ranges; i++) {
1203     char *m = (char *)(ranges[[i]].base + ofs);
1204     if (vm_acquire_fixed(m, ranges[[i]].size) != 0)
1205     break;
1206     memset(m, 0, ranges[[i]].size);
1207     vm_release(m, ranges[[i]].size);
1208     if (i == n_ranges - 1) {
1209 gbeauche 1.13 if (sizeof(void *) == 8 && ofs > 0xffffffff)
1210     printf("0x%lxul\n", ofs);
1211     else
1212     printf("0x%08x\n", ofs);
1213 gbeauche 1.8 return 0;
1214     }
1215     }
1216    
1217     vm_exit();
1218     return 1;
1219     }
1220     EOF
1221     doit='$CXX conftest.$ac_ext -o conftest.$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS $LIBS $NATMEM_OFFSET_DEF >& AS_MESSAGE_LOG_FD'
1222     if AC_TRY_EVAL(doit); then
1223     NATMEM_OFFSET=`./conftest.$ac_exeext`
1224 gbeauche 1.9 else
1225     NATMEM_OFFSET=
1226 gbeauche 1.8 fi
1227     rm -f conftest*
1228     AC_LANG_RESTORE
1229 gbeauche 1.9
1230     if [[ -z "$NATMEM_OFFSET" ]]; then
1231     AC_MSG_ERROR([could not determine a sensible NATMEM_OFFSET value])
1232     else
1233     WANT_ADDRESSING_MODE="direct,$NATMEM_OFFSET"
1234     AC_DEFINE_UNQUOTED(NATMEM_OFFSET, $NATMEM_OFFSET,
1235     [Define constant offset for Mac address translation])
1236     fi
1237 gbeauche 1.8 fi
1238     AC_MSG_RESULT($WANT_ADDRESSING_MODE)
1239    
1240 gbeauche 1.26 dnl Utility macro used by next two tests.
1241     dnl AC_EXAMINE_OBJECT(C source code,
1242     dnl commands examining object file,
1243     dnl [commands to run if compile failed]):
1244     dnl
1245     dnl Compile the source code to an object file; then convert it into a
1246     dnl printable representation. All unprintable characters and
1247     dnl asterisks (*) are replaced by dots (.). All white space is
1248     dnl deleted. Newlines (ASCII 0x10) in the input are preserved in the
1249     dnl output, but runs of newlines are compressed to a single newline.
1250     dnl Finally, line breaks are forcibly inserted so that no line is
1251     dnl longer than 80 columns and the file ends with a newline. The
1252     dnl result of all this processing is in the file conftest.dmp, which
1253     dnl may be examined by the commands in the second argument.
1254     dnl
1255     AC_DEFUN([gcc_AC_EXAMINE_OBJECT],
1256     [AC_LANG_SAVE
1257     AC_LANG_C
1258     dnl Next bit cribbed from AC_TRY_COMPILE.
1259     cat > conftest.$ac_ext <<EOF
1260     [#line __oline__ "configure"
1261     #include "confdefs.h"
1262     $1
1263     ]EOF
1264     if AC_TRY_EVAL(ac_compile); then
1265     od -c conftest.o |
1266     sed ['s/^[0-7]*[ ]*/ /
1267     s/\*/./g
1268     s/ \\n/*/g
1269     s/ [0-9][0-9][0-9]/./g
1270     s/ \\[^ ]/./g'] |
1271     tr -d '
1272     ' | tr -s '*' '
1273     ' | fold | sed '$a\
1274     ' > conftest.dmp
1275     $2
1276     ifelse($3, , , else
1277     $3
1278     )dnl
1279     fi
1280     rm -rf conftest*
1281     AC_LANG_RESTORE])
1282    
1283     dnl Floating point format probe.
1284     dnl The basic concept is the same as the above: grep the object
1285     dnl file for an interesting string. We have to watch out for
1286     dnl rounding changing the values in the object, however; this is
1287     dnl handled by ignoring the least significant byte of the float.
1288     dnl
1289     dnl Does not know about VAX G-float or C4x idiosyncratic format.
1290     dnl It does know about PDP-10 idiosyncratic format, but this is
1291     dnl not presently supported by GCC. S/390 "binary floating point"
1292     dnl is in fact IEEE (but maybe we should have that in EBCDIC as well
1293     dnl as ASCII?)
1294     dnl
1295     AC_DEFUN([gcc_AC_C_FLOAT_FORMAT],
1296     [AC_CACHE_CHECK(floating point format, ac_cv_c_float_format,
1297     [gcc_AC_EXAMINE_OBJECT(
1298     [/* This will not work unless sizeof(double) == 8. */
1299     extern char sizeof_double_must_be_8 [sizeof(double) == 8 ? 1 : -1];
1300    
1301     /* This structure must have no internal padding. */
1302     struct possibility {
1303     char prefix[8];
1304     double candidate;
1305     char postfix[8];
1306     };
1307    
1308     #define C(cand) { "\nformat:", cand, ":tamrof\n" }
1309     struct possibility table [] =
1310     {
1311     C( 3.25724264705901305206e+01), /* @@IEEEFP - IEEE 754 */
1312     C( 3.53802595280598432000e+18), /* D__float - VAX */
1313     C( 5.32201830133125317057e-19), /* D.PDP-10 - PDP-10 - the dot is 0x13a */
1314     C( 1.77977764695171661377e+10), /* IBMHEXFP - s/390 format, ascii */
1315     C(-5.22995989424860458374e+10) /* IBMHEXFP - s/390 format, EBCDIC */
1316     };],
1317     [if grep 'format:.@IEEEF.:tamrof' conftest.dmp >/dev/null 2>&1; then
1318     ac_cv_c_float_format='IEEE (big-endian)'
1319     elif grep 'format:.I@@PFE.:tamrof' conftest.dmp >/dev/null 2>&1; then
1320     ac_cv_c_float_format='IEEE (big-endian)'
1321     elif grep 'format:.FEEEI@.:tamrof' conftest.dmp >/dev/null 2>&1; then
1322     ac_cv_c_float_format='IEEE (little-endian)'
1323     elif grep 'format:.EFP@@I.:tamrof' conftest.dmp >/dev/null 2>&1; then
1324     ac_cv_c_float_format='IEEE (little-endian)'
1325     elif grep 'format:.__floa.:tamrof' conftest.dmp >/dev/null 2>&1; then
1326     ac_cv_c_float_format='VAX D-float'
1327     elif grep 'format:..PDP-1.:tamrof' conftest.dmp >/dev/null 2>&1; then
1328     ac_cv_c_float_format='PDP-10'
1329     elif grep 'format:.BMHEXF.:tamrof' conftest.dmp >/dev/null 2>&1; then
1330     ac_cv_c_float_format='IBM 370 hex'
1331     else
1332     AC_MSG_ERROR(Unknown floating point format)
1333     fi],
1334     [AC_MSG_ERROR(compile failed)])
1335     ])
1336     # IEEE is the default format. If the float endianness isn't the same
1337     # as the integer endianness, we have to set FLOAT_WORDS_BIG_ENDIAN
1338     # (which is a tristate: yes, no, default). This is only an issue with
1339     # IEEE; the other formats are only supported by a few machines each,
1340     # all with the same endianness.
1341     format=IEEE_FLOAT_FORMAT
1342     fbigend=
1343     case $ac_cv_c_float_format in
1344     'IEEE (big-endian)' )
1345     if test $ac_cv_c_bigendian = no; then
1346     fbigend=1
1347     fi
1348     ;;
1349     'IEEE (little-endian)' )
1350     if test $ac_cv_c_bigendian = yes; then
1351     fbigend=0
1352     fi
1353     ;;
1354     'VAX D-float' )
1355     format=VAX_FLOAT_FORMAT
1356     ;;
1357     'PDP-10' )
1358     format=PDP10_FLOAT_FORMAT
1359     ;;
1360     'IBM 370 hex' )
1361     format=IBM_FLOAT_FORMAT
1362     ;;
1363     esac
1364     AC_DEFINE_UNQUOTED(HOST_FLOAT_FORMAT, $format,
1365     [Define to the floating point format of the host machine.])
1366     if test -n "$fbigend"; then
1367     AC_DEFINE_UNQUOTED(HOST_FLOAT_WORDS_BIG_ENDIAN, $fbigend,
1368     [Define to 1 if the host machine stores floating point numbers in
1369     memory with the word containing the sign bit at the lowest address,
1370     or to 0 if it does it the other way around.
1371    
1372     This macro should not be defined if the ordering is the same as for
1373     multi-word integers.])
1374     fi
1375     ])
1376    
1377     dnl Check for host float format
1378     gcc_AC_C_FLOAT_FORMAT
1379    
1380 gbeauche 1.1 dnl Platform specific binary postprocessor
1381     AC_PATH_PROG(BLESS, "true")
1382     if [[ "x$ac_cv_pagezero_hack" = "xyes" ]]; then
1383     BLESS=Darwin/lowmem
1384     LDFLAGS="$LDFLAGS -pagezero_size 0x3000"
1385     fi
1386    
1387     dnl Check for GCC 2.7 or higher.
1388     HAVE_GCC27=no
1389     AC_MSG_CHECKING(for GCC 2.7 or higher)
1390 gbeauche 1.36 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#if ! (__GNUC__ - 1 > 1 || __GNUC_MINOR__ - 1 > 5)
1391     # error gcc < 2.7
1392 gbeauche 1.44 typedef syntax error;
1393 gbeauche 1.36 #endif
1394     ]])],
1395     [AC_MSG_RESULT(yes); HAVE_GCC27=yes],
1396     [AC_MSG_RESULT(no)])
1397 gbeauche 1.1
1398     dnl Check for GCC 3.0 or higher.
1399     HAVE_GCC30=no
1400     AC_MSG_CHECKING(for GCC 3.0 or higher)
1401 gbeauche 1.36 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#if ! (__GNUC__ >= 3)
1402     # error gcc < 3
1403 gbeauche 1.44 typedef syntax error;
1404 gbeauche 1.36 #endif
1405     ]])],
1406     [AC_MSG_RESULT(yes); HAVE_GCC30=yes],
1407     [AC_MSG_RESULT(no)])
1408 gbeauche 1.1
1409     dnl Check for ICC.
1410     AC_MSG_CHECKING(for ICC)
1411     HAVE_ICC=no
1412     if $CXX -V -v 2>&1 | grep -q "Intel(R) C++ Compiler"; then
1413     HAVE_ICC=yes
1414     fi
1415     AC_MSG_RESULT($HAVE_ICC)
1416    
1417 gbeauche 1.9 dnl Determine the generated object format
1418 gbeauche 1.24 AC_CACHE_CHECK([the format of compiler generated objects],
1419 gbeauche 1.9 ac_cv_object_format, [
1420 gbeauche 1.1 echo 'int i;' > conftest.$ac_ext
1421 gbeauche 1.9 ac_cv_object_format=no
1422 gbeauche 1.1 if AC_TRY_EVAL(ac_compile); then
1423     case `/usr/bin/file conftest.$ac_objext` in
1424     *"ELF"*)
1425 gbeauche 1.9 ac_cv_object_format=elf
1426     ;;
1427 gbeauche 1.24 *"Mach-O"*)
1428     ac_cv_object_format=mach
1429     ;;
1430 gbeauche 1.9 *)
1431     ac_cv_object_format=unknown
1432 gbeauche 1.1 ;;
1433     esac
1434     fi
1435     rm -rf conftest*
1436     ])
1437    
1438 gbeauche 1.32 dnl Add -fno-strict-aliasing for slirp sources
1439     if [[ "x$HAVE_GCC30" = "xyes" ]]; then
1440     SAVED_CFLAGS="$CFLAGS"
1441     CFLAGS="$CFLAGS -fno-strict-aliasing"
1442     AC_CACHE_CHECK([whether the compiler supports -fno-strict-aliasing],
1443     ac_cv_gcc_no_strict_aliasing, [
1444     AC_TRY_COMPILE([],[],
1445     [ac_cv_gcc_no_strict_aliasing=yes; AC_SUBST(SLIRP_CFLAGS, "-fno-strict-aliasing")],
1446     [ac_cv_gcc_no_strict_aliasing=no])
1447     ])
1448     CFLAGS="$SAVED_CFLAGS"
1449     fi
1450    
1451 gbeauche 1.39 dnl Add -mdynamic-no-pic for MacOS X (XXX icc10 will support MacOS X)
1452     if [[ "x$HAVE_GCC30" = "xyes" -a "x$HAVE_ICC" = "xno" ]]; then
1453 gbeauche 1.31 SAVED_CFLAGS="$CFLAGS"
1454     CFLAGS="$CFLAGS -mdynamic-no-pic"
1455     AC_CACHE_CHECK([whether the compiler supports -mdynamic-no-pic],
1456     ac_cv_gcc_mdynamic_no_pic, [
1457     AC_TRY_COMPILE([],[],[ac_cv_gcc_mdynamic_no_pic=yes],[ac_cv_gcc_mdynamic_no_pic=no])
1458     ])
1459     if [[ "x$ac_cv_gcc_mdynamic_no_pic" = "xyes" ]]; then
1460     CXXFLAGS="$CXXFLAGS -mdynamic-no-pic"
1461     else
1462     CFLAGS="$SAVED_CFLAGS"
1463     fi
1464     fi
1465    
1466 gbeauche 1.1 dnl CPU emulator sources
1467     if [[ "x$EMULATED_PPC" = "xyes" ]]; then
1468     CPUSRCS="\
1469 gbeauche 1.9 ../kpx_cpu/src/mathlib/ieeefp.cpp \
1470 gbeauche 1.26 ../kpx_cpu/src/mathlib/mathlib.cpp \
1471 gbeauche 1.1 ../kpx_cpu/src/cpu/ppc/ppc-cpu.cpp \
1472     ../kpx_cpu/src/cpu/ppc/ppc-decode.cpp \
1473     ../kpx_cpu/src/cpu/ppc/ppc-execute.cpp \
1474 gbeauche 1.55 ../kpx_cpu/src/cpu/ppc/ppc-translate.cpp \
1475     ../kpx_cpu/src/utils/utils-cpuinfo.cpp"
1476 gbeauche 1.1 CPPFLAGS="$CPPFLAGS -I../kpx_cpu/include -I../kpx_cpu/src"
1477    
1478     dnl Enable JIT compiler, if possible
1479     if [[ "x$WANT_JIT" = "xyes" ]]; then
1480     AC_CACHE_CHECK([whether dyngen can be used],
1481     ac_cv_use_dyngen, [
1482 gbeauche 1.9 case $host_cpu:$ac_cv_object_format in
1483     powerpc:elf)
1484 gbeauche 1.1 ac_cv_use_dyngen=yes
1485     ;;
1486 gbeauche 1.9 x86_64:elf)
1487 gbeauche 1.1 ac_cv_use_dyngen=yes
1488     ;;
1489 gbeauche 1.9 i?86:elf)
1490 gbeauche 1.1 ac_cv_use_dyngen=yes
1491     ;;
1492 gbeauche 1.43 mips:elf)
1493     ac_cv_use_dyngen=yes
1494     ;;
1495 gbeauche 1.24 powerpc:mach)
1496     ac_cv_use_dyngen=yes
1497     ;;
1498 asvitkine 1.72 x86_64:mach)
1499     ac_cv_use_dyngen=yes
1500     ;;
1501 gbeauche 1.41 i?86:mach)
1502     ac_cv_use_dyngen=yes
1503     ;;
1504 gbeauche 1.1 *:*)
1505     ac_cv_use_dyngen=no
1506     ;;
1507     esac
1508     dnl Check for a suitable synthetic opcodes compiler (icc is faking itself as gcc 3.2.2)
1509     if [[ -z "$DYNGEN_CC" ]]; then
1510     if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_ICC" = "xno" ]]; then
1511     DYNGEN_CC=$CXX
1512     else
1513 gbeauche 1.44 for p in /usr/bin /usr/local/bin /usr/freeware/bin; do
1514 gbeauche 1.1 gxx="$p/g++"
1515     if [[ -x "$gxx" ]]; then
1516     DYNGEN_CC="$gxx"
1517     fi
1518     done
1519     fi
1520     fi
1521 gbeauche 1.27 if [[ -z "$DYNGEN_CC" ]]; then
1522 gbeauche 1.1 ac_cv_use_dyngen=no
1523     fi
1524     ])
1525     if [[ "x$ac_cv_use_dyngen" = "xyes" ]]; then
1526     case $host_cpu in
1527     i?86)
1528 gbeauche 1.46 DYNGEN_OP_FLAGS="-fomit-frame-pointer"
1529 gbeauche 1.24 ;;
1530 gbeauche 1.43 mips)
1531     DYNGEN_OP_FLAGS="-fno-delayed-branch -mno-abicalls"
1532     ;;
1533 gbeauche 1.24 powerpc)
1534     if [[ "x$ac_cv_object_format" = "xmach" ]]; then
1535     DYNGEN_OP_FLAGS="-mdynamic-no-pic"
1536 gbeauche 1.1 fi
1537     ;;
1538     esac
1539 gbeauche 1.44 have_dyngen_gcc3=no
1540     case "x`$DYNGEN_CC -dumpversion`" in
1541     x[12].*) ;;
1542     x*) have_dyngen_gcc3=yes ;;
1543     esac
1544     if [[ "x$have_dyngen_gcc3" = "xyes" ]]; then
1545 gbeauche 1.53 DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -fno-align-functions"
1546 gbeauche 1.24 else
1547     DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -malign-functions=0"
1548     fi
1549 gbeauche 1.38 DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -finline-functions -finline-limit=10000 -fno-exceptions -g0"
1550 gbeauche 1.44 if [[ "x$have_dyngen_gcc3" = "xyes" ]]; then
1551 gbeauche 1.1 DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -fno-reorder-blocks -fno-optimize-sibling-calls"
1552     fi
1553 gbeauche 1.43 if [[ "x$DYNGEN_CC" != "x$CXX" ]]; then
1554     DYNGEN_CFLAGS="-O2 $CFLAGS"
1555     DYNGEN_CXXFLAGS="-O2 $CXXFLAGS"
1556     else
1557     DYNGEN_CFLAGS="\$(CFLAGS)"
1558     DYNGEN_CXXFLAGS="\$(CXXFLAGS)"
1559     fi
1560 gbeauche 1.1 else
1561     WANT_JIT=no
1562     fi
1563     AC_TRANSLATE_DEFINE(ENABLE_DYNGEN, $ac_cv_use_dyngen, [Define to enable dyngen engine])
1564     if [[ "x$WANT_JIT" = "xyes" ]]; then
1565     DYNGENSRCS="\
1566     ../kpx_cpu/src/cpu/jit/dyngen.c \
1567     ../kpx_cpu/src/cpu/jit/cxxdemangle.cpp"
1568     CPUSRCS="\
1569     ../kpx_cpu/src/cpu/jit/jit-cache.cpp \
1570     ../kpx_cpu/src/cpu/jit/basic-dyngen.cpp \
1571 gbeauche 1.55 ../kpx_cpu/src/cpu/ppc/ppc-dyngen.cpp \
1572     ../kpx_cpu/src/cpu/ppc/ppc-jit.cpp $CPUSRCS"
1573 gbeauche 1.1 fi
1574     fi
1575 asvitkine 1.74 CPUSRCS="$CPUSRCS ../kpx_cpu/sheepshaver_glue.cpp ../kpx_cpu/ppc-dis.c"
1576 gbeauche 1.1 else
1577     WANT_JIT=no
1578     fi
1579     if [[ "x$WANT_JIT" = "xyes" ]]; then
1580     CPPFLAGS="$CPPFLAGS -DUSE_JIT"
1581     fi
1582    
1583 gbeauche 1.43 dnl Higher level optimizations with MIPSPro compilers are possible
1584     if [[ "x$HAVE_IPA" = "xyes" ]]; then
1585     CFLAGS="`echo $CFLAGS | sed -e 's/-g//g'` -O3 -OPT:Olimit=0 -IPA"
1586     CXXFLAGS="`echo $CXXFLAGS | sed -e 's/-g//g'` -O3 -OPT:Olimit=0 -IPA"
1587     CXXFLAGS="-LANG:std $CXXFLAGS"
1588     LDFLAGS="$LDFLAGS -O3 -OPT:Olimit=0 -IPA"
1589     fi
1590    
1591 gbeauche 1.52 dnl Check for linker script support
1592     case $target_os:$target_cpu in
1593     linux*:i?86) LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-i386.ld";;
1594     linux*:x86_64) LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-x86_64.ld";;
1595     linux*:powerpc) LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-ppc.ld";;
1596     netbsd*:i?86) LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-i386.ld";;
1597     freebsd*:i?86) LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/freebsd-i386.ld";;
1598     darwin*:*) LINKER_SCRIPT_FLAGS="-Wl,-seg1addr,0x78048000";;
1599     esac
1600     if [[ -n "$LINKER_SCRIPT_FLAGS" ]]; then
1601     AC_CACHE_CHECK([whether linker script is usable],
1602     ac_cv_linker_script_works, [
1603     AC_LANG_SAVE
1604     AC_LANG_CPLUSPLUS
1605     saved_LDFLAGS="$LDFLAGS"
1606     LDFLAGS="$LDFLAGS $LINKER_SCRIPT_FLAGS"
1607     AC_TRY_RUN(
1608     [int main() {if ((char *)&main < (char *)0x70000000) return 1;}],
1609     [ac_cv_linker_script_works=yes],
1610     [ac_cv_linker_script_works=no],
1611     dnl When cross-compiling, assume it works
1612     [ac_cv_linker_script_works="guessing yes"]
1613     )
1614     AC_LANG_RESTORE
1615     if [[ "$ac_cv_linker_script_works" = "no" ]]; then
1616     LDFLAGS="$saved_LDFLAGS"
1617     LINKER_SCRIPT_FLAGS=""
1618     fi
1619     ])
1620     fi
1621     AC_TRANSLATE_DEFINE(HAVE_LINKER_SCRIPT, "$ac_cv_linker_script_works",
1622     [Define if there is a linker script to relocate the executable above 0x70000000.])
1623    
1624 gbeauche 1.1 dnl Generate Makefile.
1625 gbeauche 1.16 AC_SUBST(PERL)
1626 gbeauche 1.14 AC_SUBST(USE_DYNGEN, [$ac_cv_use_dyngen])
1627 gbeauche 1.1 AC_SUBST(DYNGENSRCS)
1628     AC_SUBST(DYNGEN_CC)
1629 gbeauche 1.43 AC_SUBST(DYNGEN_CFLAGS)
1630     AC_SUBST(DYNGEN_CXXFLAGS)
1631 gbeauche 1.1 AC_SUBST(DYNGEN_OP_FLAGS)
1632     AC_SUBST(SYSSRCS)
1633     AC_SUBST(CPUSRCS)
1634     AC_SUBST(BLESS)
1635     AC_SUBST(KEYCODES)
1636 gbeauche 1.5 AC_OUTPUT([
1637     Makefile
1638     ../MacOSX/Info.plist
1639     ])
1640 gbeauche 1.1
1641     dnl Print summary.
1642     echo
1643     echo SheepShaver configuration summary:
1644     echo
1645     echo SDL support ...................... : $SDL_SUPPORT
1646 asvitkine 1.68 echo BINCUE support ................... : $have_bincue
1647 asvitkine 1.69 echo LIBVHD support ................... : $have_libvhd
1648 gbeauche 1.21 echo FBDev DGA support ................ : $WANT_FBDEV_DGA
1649 gbeauche 1.1 echo XFree86 DGA support .............. : $WANT_XF86_DGA
1650     echo XFree86 VidMode support .......... : $WANT_XF86_VIDMODE
1651     echo Using PowerPC emulator ........... : $EMULATED_PPC
1652     echo Enable JIT compiler .............. : $WANT_JIT
1653     echo Enable video on SEGV signals ..... : $WANT_VOSF
1654     echo ESD sound support ................ : $WANT_ESD
1655     echo GTK user interface ............... : $WANT_GTK
1656     echo mon debugger support ............. : $WANT_MON
1657 gbeauche 1.8 echo Addressing mode .................. : $WANT_ADDRESSING_MODE
1658 gbeauche 1.1 echo Bad memory access recovery type .. : $sigsegv_recovery
1659     echo
1660     echo "Configuration done. Now type \"make\"."