1 |
dnl Process this file with autoconf to produce a configure script. |
2 |
dnl Written in 2002 by Christian Bauer et al. |
3 |
|
4 |
AC_INIT(main_unix.cpp) |
5 |
AC_PREREQ(2.52) |
6 |
AC_CONFIG_HEADER(config.h) |
7 |
|
8 |
dnl Video options. |
9 |
AC_ARG_ENABLE(xf86-dga, [ --enable-xf86-dga use the XFree86 DGA extension [default=yes]], [WANT_XF86_DGA=$enableval], [WANT_XF86_DGA=yes]) |
10 |
AC_ARG_ENABLE(xf86-vidmode, [ --enable-xf86-vidmode use the XFree86 VidMode extension [default=yes]], [WANT_XF86_VIDMODE=$enableval], [WANT_XF86_VIDMODE=yes]) |
11 |
AC_ARG_ENABLE(fbdev-dga, [ --enable-fbdev-dga use direct frame buffer access via /dev/fb [default=yes]], [WANT_FBDEV_DGA=$enableval], [WANT_FBDEV_DGA=yes]) |
12 |
AC_ARG_ENABLE(vosf, [ --enable-vosf enable video on SEGV signals [default=yes]], [WANT_VOSF=$enableval], [WANT_VOSF=yes]) |
13 |
|
14 |
dnl JIT compiler options. |
15 |
AC_ARG_ENABLE(jit-compiler, [ --enable-jit-compiler enable JIT compiler [default=no]], [WANT_JIT=$enableval], [WANT_JIT=no]) |
16 |
AC_ARG_ENABLE(jit-debug, [ --enable-jit-debug activate native code disassemblers [default=no]], [WANT_JIT_DEBUG=$enableval], [WANT_JIT_DEBUG=no]) |
17 |
|
18 |
dnl FPU emulation core. |
19 |
AC_ARG_ENABLE(fpe, |
20 |
[ --enable-fpe=FPE specify which fpu emulator to use [default=auto]], |
21 |
[ case "$enableval" in |
22 |
dnl default is always ieee, if architecture has this fp format |
23 |
auto) FPE_CORE_TEST_ORDER="ieee uae";; |
24 |
ieee) FPE_CORE_TEST_ORDER="ieee";; |
25 |
uae) FPE_CORE_TEST_ORDER="uae";; |
26 |
x86) FPE_CORE_TEST_ORDER="x86";; |
27 |
*) AC_MSG_ERROR([--enable-fpe takes only one of the following values: auto, x86, ieee, uae]);; |
28 |
esac |
29 |
], |
30 |
[ FPE_CORE_TEST_ORDER="ieee uae" |
31 |
]) |
32 |
|
33 |
dnl Addressing modes. |
34 |
AC_ARG_ENABLE(addressing, |
35 |
[ --enable-addressing=AM specify the addressing mode to use [default=fastest]], |
36 |
[ case "$enableval" in |
37 |
real) ADDRESSING_TEST_ORDER="real";; |
38 |
direct) ADDRESSING_TEST_ORDER="direct";; |
39 |
banks) ADDRESSING_TEST_ORDER="banks";; |
40 |
fastest)ADDRESSING_TEST_ORDER="direct banks";; |
41 |
*) AC_MSG_ERROR([--enable-addressing takes only one of the following values: fastest, real, direct, banks]);; |
42 |
esac |
43 |
], |
44 |
[ ADDRESSING_TEST_ORDER="direct banks" |
45 |
]) |
46 |
|
47 |
dnl External packages. |
48 |
AC_ARG_WITH(esd, [ --with-esd support ESD for sound under Linux/FreeBSD [default=yes]], [WANT_ESD=$withval], [WANT_ESD=yes]) |
49 |
AC_ARG_WITH(gtk, [ --with-gtk use GTK user interface [default=yes]], [WANT_GTK=$withval], [WANT_GTK=yes]) |
50 |
AC_ARG_WITH(mon, [ --with-mon use mon as debugger [default=yes]], [WANT_MON=$withval], [WANT_MON=yes]) |
51 |
|
52 |
dnl Canonical system information. |
53 |
AC_CANONICAL_HOST |
54 |
AC_CANONICAL_TARGET |
55 |
|
56 |
dnl Target OS type (target is host if not cross-compiling). |
57 |
case "$target_os" in |
58 |
linux*) OS_TYPE=linux;; |
59 |
netbsd*) OS_TYPE=netbsd;; |
60 |
freebsd*) OS_TYPE=freebsd;; |
61 |
solaris*) OS_TYPE=solaris;; |
62 |
darwin*) OS_TYPE=darwin;; |
63 |
*) OS_TYPE=`echo $target_os | sed -e 's/-/_/g' | sed -e 's/\./_/g'`;; |
64 |
esac |
65 |
DEFINES="$DEFINES -DOS_$OS_TYPE" |
66 |
|
67 |
dnl Target CPU type. |
68 |
HAVE_I386=no |
69 |
HAVE_M68K=no |
70 |
HAVE_SPARC=no |
71 |
HAVE_POWERPC=no |
72 |
case "$target_cpu" in |
73 |
i386* | i486* | i586* | i686* | i786* ) HAVE_I386=yes;; |
74 |
m68k* ) HAVE_M68K=yes;; |
75 |
sparc* ) HAVE_SPARC=yes;; |
76 |
powerpc* ) HAVE_POWERPC=yes;; |
77 |
esac |
78 |
|
79 |
dnl Checks for programs. |
80 |
AC_PROG_CC |
81 |
AC_PROG_CC_C_O |
82 |
AC_PROG_CPP |
83 |
AC_PROG_CXX |
84 |
AC_PROG_MAKE_SET |
85 |
AC_PROG_INSTALL |
86 |
|
87 |
dnl We use mon if possible. |
88 |
MONSRCS= |
89 |
if [[ "x$WANT_MON" = "xyes" ]]; then |
90 |
AC_MSG_CHECKING(for mon) |
91 |
mon_srcdir=../../../mon/src |
92 |
if grep mon_init $mon_srcdir/mon.h >/dev/null 2>/dev/null; then |
93 |
AC_MSG_RESULT(yes) |
94 |
AC_DEFINE(ENABLE_MON, 1, [Define if using "mon".]) |
95 |
MONSRCS="$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 $mon_srcdir/disass/m68k-opc.c" |
96 |
CXXFLAGS="$CXXFLAGS -I$mon_srcdir -I$mon_srcdir/disass" |
97 |
AC_CHECK_LIB(ncurses, tgetent, , |
98 |
AC_CHECK_LIB(termcap, tgetent, , |
99 |
AC_CHECK_LIB(termlib, tgetent, , |
100 |
AC_CHECK_LIB(terminfo, tgetent, , |
101 |
AC_CHECK_LIB(Hcurses, tgetent, , |
102 |
AC_CHECK_LIB(curses, tgetent)))))) |
103 |
AC_CHECK_LIB(readline, readline) |
104 |
AC_CHECK_HEADERS(readline.h history.h readline/readline.h readline/history.h) |
105 |
else |
106 |
AC_MSG_RESULT(no) |
107 |
AC_MSG_WARN([Could not find mon, ignoring --with-mon.]) |
108 |
WANT_MON=no |
109 |
fi |
110 |
fi |
111 |
|
112 |
dnl Checks for libraries. |
113 |
AC_CHECK_LIB(posix4, sem_init) |
114 |
AC_CHECK_LIB(rt, timer_create) |
115 |
|
116 |
dnl We need X11. |
117 |
AC_PATH_XTRA |
118 |
if [[ "x$no_x" = "xyes" ]]; then |
119 |
AC_MSG_ERROR([You need X11 to run Basilisk II.]) |
120 |
fi |
121 |
CFLAGS="$CFLAGS $X_CFLAGS" |
122 |
CXXFLAGS="$CXXFLAGS $X_CFLAGS" |
123 |
LIBS="$LIBS $X_PRE_LIBS $X_LIBS -lX11 -lXext $X_EXTRA_LIBS" |
124 |
|
125 |
dnl We want pthreads. Try libpthread first, then libc_r (FreeBSD), then PTL. |
126 |
HAVE_PTHREADS=yes |
127 |
AC_CHECK_LIB(pthread, pthread_create, , [ |
128 |
AC_CHECK_LIB(c_r, pthread_create, , [ |
129 |
AC_CHECK_LIB(PTL, pthread_create, , [ |
130 |
HAVE_PTHREADS=no |
131 |
]) |
132 |
]) |
133 |
]) |
134 |
if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then |
135 |
AC_DEFINE(HAVE_PTHREADS, 1, [Define if pthreads are available.]) |
136 |
fi |
137 |
AC_CHECK_FUNCS(pthread_cancel) |
138 |
AC_CHECK_FUNCS(pthread_mutexattr_setprotocol) |
139 |
AC_CHECK_FUNCS(pthread_mutexattr_settype) |
140 |
AC_CHECK_FUNCS(pthread_mutexattr_setpshared) |
141 |
|
142 |
dnl If POSIX.4 semaphores are not available, we emulate them with pthread mutexes. |
143 |
SEMSRC= |
144 |
AC_CHECK_FUNCS(sem_init, , [ |
145 |
if test "x$HAVE_PTHREADS" = "xyes"; then |
146 |
SEMSRC=posix_sem.cpp |
147 |
fi |
148 |
]) |
149 |
|
150 |
dnl We use DGA (XFree86 or fbdev) if possible. |
151 |
if [[ "x$WANT_XF86_DGA" = "xyes" ]]; then |
152 |
AC_CHECK_LIB(Xxf86dga, XF86DGAQueryExtension, [ |
153 |
AC_DEFINE(ENABLE_XF86_DGA, 1, [Define if using XFree86 DGA extension.]) |
154 |
LIBS="$LIBS -lXxf86dga" |
155 |
if [[ "x$WANT_FBDEV_DGA" = "xyes" ]]; then |
156 |
AC_MSG_WARN([Cannot have both --enable-xf86-dga and --enable-fbdev-dga, ignoring --enable-fbdev-dga.]) |
157 |
WANT_FBDEV_DGA=no |
158 |
fi |
159 |
], [ |
160 |
AC_MSG_WARN([Could not find XFree86 DGA extension, ignoring --enable-xf86-dga.]) |
161 |
WANT_XF86_DGA=no |
162 |
]) |
163 |
fi |
164 |
if [[ "x$WANT_FBDEV_DGA" = "xyes" ]]; then |
165 |
AC_DEFINE(ENABLE_FBDEV_DGA, 1, [Define if using DGA with framebuffer device.]) |
166 |
fi |
167 |
|
168 |
dnl We use XFree86 VidMode if possible. |
169 |
if [[ "x$WANT_XF86_VIDMODE" = "xyes" ]]; then |
170 |
AC_CHECK_LIB(Xxf86vm, XF86VidModeQueryExtension, [ |
171 |
AC_DEFINE(ENABLE_XF86_VIDMODE, 1, [Define if using XFree86 DGA extension.]) |
172 |
LIBS="$LIBS -lXxf86vm" |
173 |
], [ |
174 |
AC_MSG_WARN([Could not find XFree86 VidMode extension, ignoring --enable-xf86-vidmode.]) |
175 |
WANT_XF86_VIDMODE=no |
176 |
]) |
177 |
fi |
178 |
|
179 |
dnl We use GTK+ if possible. |
180 |
UISRCS=../dummy/prefs_editor_dummy.cpp |
181 |
if [[ "x$WANT_GTK" = "xyes" ]]; then |
182 |
AM_PATH_GTK(1.2.0, [ |
183 |
AC_DEFINE(ENABLE_GTK, 1, [Define if using GTK.]) |
184 |
CXXFLAGS="$CXXFLAGS $GTK_CFLAGS" |
185 |
LIBS="$LIBS $GTK_LIBS" |
186 |
UISRCS=prefs_editor_gtk.cpp |
187 |
B2_PATH_GNOMEUI([ |
188 |
AC_DEFINE(HAVE_GNOMEUI, 1, [Define if libgnomeui is available.]) |
189 |
CXXFLAGS="$CXXFLAGS $GNOMEUI_CFLAGS" |
190 |
LIBS="$LIBS $GNOMEUI_LIBS" |
191 |
], []) |
192 |
], [ |
193 |
AC_MSG_WARN([Could not find GTK+, disabling user interface.]) |
194 |
WANT_GTK=no |
195 |
]) |
196 |
fi |
197 |
|
198 |
dnl We use ESD if possible. |
199 |
if [[ "x$WANT_ESD" = "xyes" ]]; then |
200 |
AM_PATH_ESD(0.2.8, [ |
201 |
AC_DEFINE(ENABLE_ESD, 1, [Define is using ESD.]) |
202 |
CFLAGS="$CFLAGS $ESD_CFLAGS" |
203 |
CXXFLAGS="$CXXFLAGS $ESD_CFLAGS" |
204 |
LIBS="$LIBS $ESD_LIBS" |
205 |
], [ |
206 |
AC_MSG_WARN([Could not find ESD, disabling ESD support.]) |
207 |
WANT_ESD=no |
208 |
]) |
209 |
fi |
210 |
|
211 |
dnl We use 64-bit file size support if possible. |
212 |
AC_SYS_LARGEFILE |
213 |
|
214 |
dnl Checks for header files. |
215 |
AC_HEADER_STDC |
216 |
AC_CHECK_HEADERS(unistd.h fcntl.h sys/time.h sys/mman.h) |
217 |
|
218 |
dnl Checks for typedefs, structures, and compiler characteristics. |
219 |
AC_C_BIGENDIAN |
220 |
AC_C_CONST |
221 |
AC_C_INLINE |
222 |
AC_CHECK_SIZEOF(short, 2) |
223 |
AC_CHECK_SIZEOF(int, 4) |
224 |
AC_CHECK_SIZEOF(long, 4) |
225 |
AC_CHECK_SIZEOF(long long, 8) |
226 |
AC_CHECK_SIZEOF(float, 4) |
227 |
AC_CHECK_SIZEOF(double, 8) |
228 |
AC_CHECK_SIZEOF(long double, 12) |
229 |
AC_CHECK_SIZEOF(void *, 4) |
230 |
AC_TYPE_OFF_T |
231 |
AC_CHECK_TYPE(loff_t, off_t) |
232 |
AC_CHECK_TYPE(caddr_t, [char *]) |
233 |
AC_TYPE_SIZE_T |
234 |
AC_TYPE_SIGNAL |
235 |
AC_HEADER_TIME |
236 |
AC_STRUCT_TM |
237 |
|
238 |
dnl Check whether sys/socket.h defines type socklen_t. |
239 |
dnl (extracted from ac-archive/Miscellaneous) |
240 |
AC_CACHE_CHECK([for socklen_t], |
241 |
ac_cv_type_socklen_t, [ |
242 |
AC_TRY_COMPILE([ |
243 |
#include <sys/types.h> |
244 |
#include <sys/socket.h> |
245 |
], [socklen_t len = 42; return 0;], |
246 |
ac_cv_type_socklen_t=yes, ac_cv_type_socklen_t=no, |
247 |
dnl When cross-compiling, do not assume anything. |
248 |
ac_cv_type_socklen_t="guessing no" |
249 |
) |
250 |
]) |
251 |
if [[ "x$ac_cv_type_socklen_t" != "xyes" ]]; then |
252 |
AC_DEFINE(socklen_t, int, [Define to 'int' if <sys/types.h> doesn't define.]) |
253 |
fi |
254 |
|
255 |
dnl Checks for library functions. |
256 |
AC_CHECK_FUNCS(strdup cfmakeraw) |
257 |
AC_CHECK_FUNCS(clock_gettime timer_create) |
258 |
AC_CHECK_FUNCS(sigaction signal) |
259 |
AC_CHECK_FUNCS(mmap mprotect munmap) |
260 |
AC_CHECK_FUNCS(vm_allocate vm_deallocate vm_protect) |
261 |
|
262 |
dnl Darwin seems to define mach_task_self() instead of task_self(). |
263 |
AC_CHECK_FUNCS(mach_task_self task_self) |
264 |
|
265 |
dnl Check for headers and functions related to pty support (sshpty.c) |
266 |
dnl From openssh-3.2.2p1 configure.ac |
267 |
|
268 |
AC_CHECK_HEADERS(strings.h login.h sys/bsdtty.h sys/stat.h util.h pty.h) |
269 |
AC_CHECK_FUNCS(_getpty vhangup strlcpy) |
270 |
|
271 |
case "$host" in |
272 |
*-*-hpux10.26) |
273 |
disable_ptmx_check=yes |
274 |
;; |
275 |
*-*-linux*) |
276 |
no_dev_ptmx=1 |
277 |
;; |
278 |
mips-sony-bsd|mips-sony-newsos4) |
279 |
AC_DEFINE(HAVE_NEWS4, 1, [Define if you are on NEWS-OS (additions from openssh-3.2.2p1, for sshpty.c).]) |
280 |
;; |
281 |
*-*-sco3.2v4*) |
282 |
no_dev_ptmx=1 |
283 |
;; |
284 |
*-*-sco3.2v5*) |
285 |
no_dev_ptmx=1 |
286 |
;; |
287 |
esac |
288 |
|
289 |
if test -z "$no_dev_ptmx" ; then |
290 |
if test "x$disable_ptmx_check" != "xyes" ; then |
291 |
AC_CHECK_FILE([/dev/ptmx], |
292 |
[ |
293 |
AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX, 1, [Define if you have /dev/ptmx.]) |
294 |
have_dev_ptmx=1 |
295 |
] |
296 |
) |
297 |
fi |
298 |
fi |
299 |
AC_CHECK_FILE([/dev/ptc], |
300 |
[ |
301 |
AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC, 1, [Define if you have /dev/ptc.]) |
302 |
have_dev_ptc=1 |
303 |
] |
304 |
) |
305 |
|
306 |
dnl (end of code from openssh-3.2.2p1 configure.ac) |
307 |
|
308 |
|
309 |
dnl Select system-dependant source files. |
310 |
SERIALSRC=serial_unix.cpp |
311 |
ETHERSRC=../dummy/ether_dummy.cpp |
312 |
SCSISRC=../dummy/scsi_dummy.cpp |
313 |
AUDIOSRC=../dummy/audio_dummy.cpp |
314 |
EXTRASYSSRCS= |
315 |
CAN_NATIVE_M68K=no |
316 |
case "$target_os" in |
317 |
linux*) |
318 |
ETHERSRC=ether_unix.cpp |
319 |
AUDIOSRC=audio_oss_esd.cpp |
320 |
SCSISRC=Linux/scsi_linux.cpp |
321 |
;; |
322 |
freebsd*) |
323 |
ETHERSRC=ether_unix.cpp |
324 |
AUDIOSRC=audio_oss_esd.cpp |
325 |
DEFINES="$DEFINES -DBSD_COMP" |
326 |
CXXFLAGS="$CXXFLAGS -fpermissive" |
327 |
dnl Check for the CAM library |
328 |
AC_CHECK_LIB(cam, cam_open_btl, HAVE_LIBCAM=yes, HAVE_LIBCAM=no) |
329 |
if [[ "x$HAVE_LIBCAM" = "xno" ]]; then |
330 |
AC_MSG_WARN([Cannot find libcam for SCSI management, disabling SCSI support.]) |
331 |
else |
332 |
dnl Check for the sys kernel includes |
333 |
AC_CHECK_HEADER(camlib.h) |
334 |
if [[ "x$ac_cv_header_camlib_h" = "xno" ]]; then |
335 |
dnl In this case I should fix this thing including a "patch" |
336 |
dnl to access directly to the functions in the kernel :) --Orlando |
337 |
AC_MSG_WARN([Cannot find includes for CAM library, disabling SCSI support.]) |
338 |
else |
339 |
SCSISRC=FreeBSD/scsi_freebsd.cpp |
340 |
LIBS="$LIBS -lcam" |
341 |
DEFINES="$DEFINES -DCAM" |
342 |
fi |
343 |
fi |
344 |
;; |
345 |
netbsd*) |
346 |
CAN_NATIVE_M68K=yes |
347 |
;; |
348 |
solaris*) |
349 |
AUDIOSRC=Solaris/audio_solaris.cpp |
350 |
DEFINES="$DEFINES -DBSD_COMP -D_POSIX_PTHREAD_SEMANTICS" |
351 |
;; |
352 |
irix*) |
353 |
ETHERSRC=ether_unix.cpp |
354 |
AUDIOSRC=Irix/audio_irix.cpp |
355 |
EXTRASYSSRCS=Irix/unaligned.c |
356 |
dnl IRIX headers work fine, but somehow don't define or use "STDC_HEADERS" |
357 |
DEFINES="$DEFINES -DCRTSCTS=CNEW_RTSCTS -DB230400=B115200 -DSTDC_HEADERS" |
358 |
LIBS="$LIBS -laudio" |
359 |
WANT_ESD=no |
360 |
|
361 |
dnl Check if our compiler supports -Ofast (MIPSPro) |
362 |
HAVE_OFAST=no |
363 |
ocflags="$CFLAGS" |
364 |
CFLAGS=`echo $CFLAGS | sed -e 's/ -g / -Ofast /;s/^-g /-Ofast /;s/-g$/ -Ofast/;s/^-g$/-Ofast/'` |
365 |
AC_MSG_CHECKING(if "-Ofast" works) |
366 |
dnl Do a test compile of an empty function |
367 |
AC_TRY_COMPILE(,, [AC_MSG_RESULT(yes); HAVE_OFAST=yes], AC_MSG_RESULT(no)) |
368 |
CFLAGS="$ocflags" |
369 |
|
370 |
;; |
371 |
esac |
372 |
|
373 |
dnl Use 68k CPU natively? |
374 |
WANT_NATIVE_M68K=no |
375 |
if [[ "x$HAVE_M68K" = "xyes" -a "x$CAN_NATIVE_M68K" = "xyes" ]]; then |
376 |
AC_DEFINE(ENABLE_NATIVE_M68K, 1, [Define if using native 68k mode.]) |
377 |
WANT_NATIVE_M68K=yes |
378 |
fi |
379 |
|
380 |
if [[ "x$HAVE_PTHREADS" = "xno" ]]; then |
381 |
dnl Serial, ethernet and audio support needs pthreads |
382 |
AC_MSG_WARN([You don't have pthreads, disabling serial, ethernet and audio support.]) |
383 |
SERIALSRC=../dummy/serial_dummy.cpp |
384 |
ETHERSRC=../dummy/ether_dummy.cpp |
385 |
AUDIOSRC=../dummy/audio_dummy.cpp |
386 |
fi |
387 |
SYSSRCS="$SERIALSRC $ETHERSRC $SCSISRC $AUDIOSRC $SEMSRC $UISRCS $MONSRCS $EXTRASYSSRCS" |
388 |
|
389 |
dnl Define a macro that translates a yesno-variable into a C macro definition |
390 |
dnl to be put into the config.h file |
391 |
dnl $1 -- the macro to define |
392 |
dnl $2 -- the value to translate |
393 |
dnl $3 -- template name |
394 |
AC_DEFUN(AC_TRANSLATE_DEFINE, [ |
395 |
if [[ "x$2" = "xyes" -o "x$2" = "xguessing yes" ]]; then |
396 |
AC_DEFINE($1, 1, $3) |
397 |
fi |
398 |
]) |
399 |
|
400 |
dnl Various checks if the system supports vm_allocate() and the like functions. |
401 |
have_mach_vm=no |
402 |
if [[ "x$ac_cv_func_vm_allocate" = "xyes" -a "x$ac_cv_func_vm_deallocate" = "xyes" -a \ |
403 |
"x$ac_cv_func_vm_protect" = "xyes" ]]; then |
404 |
have_mach_vm=yes |
405 |
fi |
406 |
AC_TRANSLATE_DEFINE(HAVE_MACH_VM, "$have_mach_vm", |
407 |
[Define if your system has a working vm_allocate()-based memory allocator.]) |
408 |
|
409 |
dnl Check that vm_allocate(), vm_protect() work |
410 |
if [[ "x$have_mach_vm" = "xyes" ]]; then |
411 |
|
412 |
AC_CACHE_CHECK([whether vm_protect works], |
413 |
ac_cv_vm_protect_works, [ |
414 |
AC_LANG_SAVE |
415 |
AC_LANG_CPLUSPLUS |
416 |
ac_cv_vm_protect_works=yes |
417 |
dnl First the tests that should segfault |
418 |
for test_def in NONE_READ NONE_WRITE READ_WRITE; do |
419 |
AC_TRY_RUN([ |
420 |
#define CONFIGURE_TEST_VM_MAP |
421 |
#define TEST_VM_PROT_$test_def |
422 |
#include "vm_alloc.cpp" |
423 |
], ac_cv_vm_protect_works=no, rm -f core, |
424 |
dnl When cross-compiling, do not assume anything |
425 |
ac_cv_vm_protect_works="guessing no" |
426 |
) |
427 |
done |
428 |
AC_TRY_RUN([ |
429 |
#define CONFIGURE_TEST_VM_MAP |
430 |
#define TEST_VM_PROT_RDWR_WRITE |
431 |
#include "vm_alloc.cpp" |
432 |
], , ac_cv_vm_protect_works=no, |
433 |
dnl When cross-compiling, do not assume anything |
434 |
ac_cv_vm_protect_works="guessing no" |
435 |
) |
436 |
AC_LANG_RESTORE |
437 |
] |
438 |
) |
439 |
|
440 |
dnl Remove support for vm_allocate() if vm_protect() does not work |
441 |
if [[ "x$have_mach_vm" = "xyes" ]]; then |
442 |
case $ac_cv_vm_protect_works in |
443 |
*yes) have_mach_vm=yes;; |
444 |
*no) have_mach_vm=no;; |
445 |
esac |
446 |
fi |
447 |
AC_TRANSLATE_DEFINE(HAVE_MACH_VM, "$have_mach_vm", |
448 |
[Define if your system has a working vm_allocate()-based memory allocator.]) |
449 |
|
450 |
fi dnl HAVE_MACH_VM |
451 |
|
452 |
dnl Various checks if the system supports mmap() and the like functions. |
453 |
dnl ... and Mach memory allocators are not supported |
454 |
have_mmap_vm=no |
455 |
if [[ "x$ac_cv_func_mmap" = "xyes" -a "x$ac_cv_func_munmap" = "xyes" -a \ |
456 |
"x$ac_cv_func_mprotect" = "xyes" ]]; then |
457 |
if [[ "x$have_mach_vm" = "xno" ]]; then |
458 |
have_mmap_vm=yes |
459 |
fi |
460 |
fi |
461 |
AC_TRANSLATE_DEFINE(HAVE_MMAP_VM, "$have_mmap_vm", |
462 |
[Define if your system has a working mmap()-based memory allocator.]) |
463 |
|
464 |
dnl Check that mmap() and associated functions work. |
465 |
if [[ "x$have_mmap_vm" = "xyes" ]]; then |
466 |
|
467 |
dnl Check if we have a working anonymous mmap() |
468 |
AC_CACHE_CHECK([whether mmap supports MAP_ANON], |
469 |
ac_cv_mmap_anon, [ |
470 |
AC_LANG_SAVE |
471 |
AC_LANG_CPLUSPLUS |
472 |
AC_TRY_RUN([ |
473 |
#define HAVE_MMAP_ANON |
474 |
#define CONFIGURE_TEST_VM_MAP |
475 |
#define TEST_VM_MMAP_ANON |
476 |
#include "vm_alloc.cpp" |
477 |
], ac_cv_mmap_anon=yes, ac_cv_mmap_anon=no, |
478 |
dnl When cross-compiling, do not assume anything. |
479 |
ac_cv_mmap_anon="guessing no" |
480 |
) |
481 |
AC_LANG_RESTORE |
482 |
] |
483 |
) |
484 |
AC_TRANSLATE_DEFINE(HAVE_MMAP_ANON, "$ac_cv_mmap_anon", |
485 |
[Define if <sys/mman.h> defines MAP_ANON and mmap()'ing with MAP_ANON works.]) |
486 |
|
487 |
AC_CACHE_CHECK([whether mmap supports MAP_ANONYMOUS], |
488 |
ac_cv_mmap_anonymous, [ |
489 |
AC_LANG_SAVE |
490 |
AC_LANG_CPLUSPLUS |
491 |
AC_TRY_RUN([ |
492 |
#define HAVE_MMAP_ANONYMOUS |
493 |
#define CONFIGURE_TEST_VM_MAP |
494 |
#define TEST_VM_MMAP_ANON |
495 |
#include "vm_alloc.cpp" |
496 |
], ac_cv_mmap_anonymous=yes, ac_cv_mmap_anonymous=no, |
497 |
dnl When cross-compiling, do not assume anything. |
498 |
ac_cv_mmap_anonymous="guessing no" |
499 |
) |
500 |
AC_LANG_RESTORE |
501 |
] |
502 |
) |
503 |
AC_TRANSLATE_DEFINE(HAVE_MMAP_ANONYMOUS, "$ac_cv_mmap_anonymous", |
504 |
[Define if <sys/mman.h> defines MAP_ANONYMOUS and mmap()'ing with MAP_ANONYMOUS works.]) |
505 |
|
506 |
AC_CACHE_CHECK([whether mprotect works], |
507 |
ac_cv_mprotect_works, [ |
508 |
AC_LANG_SAVE |
509 |
AC_LANG_CPLUSPLUS |
510 |
ac_cv_mprotect_works=yes |
511 |
dnl First the tests that should segfault |
512 |
for test_def in NONE_READ NONE_WRITE READ_WRITE; do |
513 |
AC_TRY_RUN([ |
514 |
#define CONFIGURE_TEST_VM_MAP |
515 |
#define TEST_VM_PROT_$test_def |
516 |
#include "vm_alloc.cpp" |
517 |
], ac_cv_mprotect_works=no, rm -f core, |
518 |
dnl When cross-compiling, do not assume anything |
519 |
ac_cv_mprotect_works="guessing no" |
520 |
) |
521 |
done |
522 |
AC_TRY_RUN([ |
523 |
#define CONFIGURE_TEST_VM_MAP |
524 |
#define TEST_VM_PROT_RDWR_WRITE |
525 |
#include "vm_alloc.cpp" |
526 |
], , ac_cv_mprotect_works=no, |
527 |
dnl When cross-compiling, do not assume anything |
528 |
ac_cv_mprotect_works="guessing no" |
529 |
) |
530 |
AC_LANG_RESTORE |
531 |
] |
532 |
) |
533 |
|
534 |
dnl Remove support for mmap() if mprotect() does not work |
535 |
if [[ "x$have_mmap_vm" = "xyes" ]]; then |
536 |
case $ac_cv_mprotect_works in |
537 |
*yes) have_mmap_vm=yes;; |
538 |
*no) have_mmap_vm=no;; |
539 |
esac |
540 |
fi |
541 |
AC_TRANSLATE_DEFINE(HAVE_MMAP_VM, $have_mmap_vm, |
542 |
[Define if your system has a working mmap()-based memory allocator.]) |
543 |
|
544 |
fi dnl HAVE_MMAP_VM |
545 |
|
546 |
dnl Check if we can mmap 0x2000 bytes from 0x0000 |
547 |
AC_CACHE_CHECK([whether we can map Low Memory area 0x0000-0x2000], |
548 |
ac_cv_can_map_lm, [ |
549 |
AC_LANG_SAVE |
550 |
AC_LANG_CPLUSPLUS |
551 |
AC_TRY_RUN([ |
552 |
#include "vm_alloc.cpp" |
553 |
int main(void) { /* returns 0 if we could map the lowmem globals */ |
554 |
volatile char * lm; |
555 |
if (vm_init() < 0) exit(1); |
556 |
if ((lm = (volatile char *)vm_acquire_fixed(0, 0x2000)) == VM_MAP_FAILED) exit(1); |
557 |
lm[0] = 'z'; |
558 |
if (vm_release((char *)lm, 0x2000) < 0) exit(1); |
559 |
vm_exit(); exit(0); |
560 |
} |
561 |
], ac_cv_can_map_lm=yes, ac_cv_can_map_lm=no, |
562 |
dnl When cross-compiling, do not assume anything. |
563 |
ac_cv_can_map_lm="guessing no" |
564 |
) |
565 |
AC_LANG_RESTORE |
566 |
] |
567 |
) |
568 |
|
569 |
dnl Check signal handlers need to be reinstalled |
570 |
AC_CACHE_CHECK([whether signal handlers need to be reinstalled], |
571 |
ac_cv_signal_need_reinstall, [ |
572 |
AC_LANG_SAVE |
573 |
AC_LANG_CPLUSPLUS |
574 |
AC_TRY_RUN([ |
575 |
#include <stdlib.h> |
576 |
#ifdef HAVE_UNISTD_H |
577 |
#include <unistd.h> |
578 |
#endif |
579 |
#include <signal.h> |
580 |
static int handled_signal = 0; |
581 |
RETSIGTYPE sigusr1_handler(int) { handled_signal++; } |
582 |
int main(void) { /* returns 0 if signals need not to be reinstalled */ |
583 |
signal(SIGUSR1, sigusr1_handler); raise(SIGUSR1); raise(SIGUSR1); |
584 |
exit(handled_signal == 2); |
585 |
} |
586 |
], ac_cv_signal_need_reinstall=yes, ac_cv_signal_need_reinstall=no, |
587 |
dnl When cross-compiling, do not assume anything. |
588 |
ac_cv_signal_need_reinstall="guessing yes" |
589 |
) |
590 |
AC_LANG_RESTORE |
591 |
] |
592 |
) |
593 |
AC_TRANSLATE_DEFINE(SIGNAL_NEED_REINSTALL, "$ac_cv_signal_need_reinstall", |
594 |
[Define if your system requires signals to be reinstalled.]) |
595 |
|
596 |
dnl Check if sigaction handlers need to be reinstalled |
597 |
AC_CACHE_CHECK([whether sigaction handlers need to be reinstalled], |
598 |
ac_cv_sigaction_need_reinstall, [ |
599 |
AC_LANG_SAVE |
600 |
AC_LANG_CPLUSPLUS |
601 |
AC_TRY_RUN([ |
602 |
#include <stdlib.h> |
603 |
#ifdef HAVE_UNISTD_H |
604 |
#include <unistd.h> |
605 |
#endif |
606 |
#include <signal.h> |
607 |
static int handled_signal = 0; |
608 |
RETSIGTYPE sigusr1_handler(int) { handled_signal++; } |
609 |
typedef RETSIGTYPE (*signal_handler)(int); |
610 |
static signal_handler mysignal(int sig, signal_handler handler) { |
611 |
struct sigaction old_sa; |
612 |
struct sigaction new_sa; |
613 |
new_sa.sa_handler = handler; |
614 |
return ((sigaction(sig,&new_sa,&old_sa) < 0) ? SIG_IGN : old_sa.sa_handler); |
615 |
} |
616 |
int main(void) { /* returns 0 if signals need not to be reinstalled */ |
617 |
mysignal(SIGUSR1, sigusr1_handler); raise(SIGUSR1); raise(SIGUSR1); |
618 |
exit(handled_signal == 2); |
619 |
} |
620 |
], ac_cv_sigaction_need_reinstall=yes, ac_cv_sigaction_need_reinstall=no, |
621 |
dnl When cross-compiling, do not assume anything. |
622 |
ac_cv_sigaction_need_reinstall="guessing yes" |
623 |
) |
624 |
AC_LANG_RESTORE |
625 |
] |
626 |
) |
627 |
AC_TRANSLATE_DEFINE(SIGACTION_NEED_REINSTALL, "$ac_cv_sigaction_need_reinstall", |
628 |
[Define if your system requires sigactions to be reinstalled.]) |
629 |
|
630 |
dnl Check if extended signals are supported. |
631 |
AC_CACHE_CHECK([whether your system supports extended signal handlers], |
632 |
ac_cv_have_extended_signals, [ |
633 |
AC_LANG_SAVE |
634 |
AC_LANG_CPLUSPLUS |
635 |
AC_TRY_RUN([ |
636 |
#define HAVE_SIGINFO_T 1 |
637 |
#define CONFIGURE_TEST_SIGSEGV_RECOVERY |
638 |
#include "vm_alloc.cpp" |
639 |
#include "sigsegv.cpp" |
640 |
], ac_cv_have_extended_signals=yes, ac_cv_have_extended_signals=no, |
641 |
dnl When cross-compiling, do not assume anything. |
642 |
ac_cv_have_extended_signals=no |
643 |
) |
644 |
AC_LANG_RESTORE |
645 |
] |
646 |
) |
647 |
AC_TRANSLATE_DEFINE(HAVE_SIGINFO_T, "$ac_cv_have_extended_signals", |
648 |
[Define if your system support extended signals.]) |
649 |
|
650 |
dnl Otherwise, check for subterfuges. |
651 |
if [[ "x$ac_cv_have_extended_signals" = "xno" ]]; then |
652 |
AC_CACHE_CHECK([whether we then have a subterfuge for your system], |
653 |
ac_cv_have_sigcontext_hack, [ |
654 |
AC_LANG_SAVE |
655 |
AC_LANG_CPLUSPLUS |
656 |
AC_TRY_RUN([ |
657 |
#define HAVE_SIGCONTEXT_SUBTERFUGE 1 |
658 |
#define CONFIGURE_TEST_SIGSEGV_RECOVERY |
659 |
#include "vm_alloc.cpp" |
660 |
#include "sigsegv.cpp" |
661 |
], ac_cv_have_sigcontext_hack=yes, ac_cv_have_sigcontext_hack=no, |
662 |
dnl When cross-compiling, do not assume anything. |
663 |
ac_cv_have_sigcontext_hack=no |
664 |
) |
665 |
AC_LANG_RESTORE |
666 |
]) |
667 |
AC_TRANSLATE_DEFINE(HAVE_SIGCONTEXT_SUBTERFUGE, "$ac_cv_have_sigcontext_hack", |
668 |
[Define if we know a hack to replace siginfo_t->si_addr member.]) |
669 |
fi |
670 |
|
671 |
dnl Check if we can ignore the fault (instruction skipping in SIGSEGV handler) |
672 |
AC_CACHE_CHECK([whether we can skip instruction in SIGSEGV handler], |
673 |
ac_cv_have_skip_instruction, [ |
674 |
AC_LANG_SAVE |
675 |
AC_LANG_CPLUSPLUS |
676 |
AC_TRY_RUN([ |
677 |
#define HAVE_SIGSEGV_SKIP_INSTRUCTION 1 |
678 |
#define CONFIGURE_TEST_SIGSEGV_RECOVERY |
679 |
#include "vm_alloc.cpp" |
680 |
#include "sigsegv.cpp" |
681 |
], ac_cv_have_skip_instruction=yes, ac_cv_have_skip_instruction=no, |
682 |
dnl When cross-compiling, do not assume anything. |
683 |
ac_cv_have_skip_instruction=no |
684 |
) |
685 |
AC_LANG_RESTORE |
686 |
] |
687 |
) |
688 |
AC_TRANSLATE_DEFINE(HAVE_SIGSEGV_SKIP_INSTRUCTION, "$ac_cv_have_skip_instruction", |
689 |
[Define if we can ignore the fault (instruction skipping in SIGSEGV handler).]) |
690 |
|
691 |
dnl Can we do Video on SEGV Signals ? |
692 |
CAN_VOSF=no |
693 |
if [[ "$ac_cv_have_extended_signals" = "yes" -o "$ac_cv_have_sigcontext_hack" = "yes" ]]; then |
694 |
CAN_VOSF=yes |
695 |
fi |
696 |
|
697 |
dnl Determine the addressing mode to use |
698 |
if [[ "x$WANT_NATIVE_M68K" = "xyes" ]]; then |
699 |
ADDRESSING_MODE="real" |
700 |
else |
701 |
ADDRESSING_MODE="" |
702 |
AC_MSG_CHECKING([for the addressing mode to use]) |
703 |
for am in $ADDRESSING_TEST_ORDER; do |
704 |
case $am in |
705 |
real) |
706 |
dnl Requires ability to mmap() Low Memory globals |
707 |
if [[ "x$ac_cv_can_map_lm" = "xno" ]]; then |
708 |
continue |
709 |
fi |
710 |
dnl Requires VOSF screen updates |
711 |
if [[ "x$CAN_VOSF" = "xno" ]]; then |
712 |
continue |
713 |
fi |
714 |
dnl Real addressing will probably work. |
715 |
ADDRESSING_MODE="real" |
716 |
WANT_VOSF=yes dnl we can use VOSF and we need it actually |
717 |
DEFINES="$DEFINES -DREAL_ADDRESSING" |
718 |
break |
719 |
;; |
720 |
direct) |
721 |
dnl Requires VOSF screen updates |
722 |
if [[ "x$CAN_VOSF" = "xyes" ]]; then |
723 |
ADDRESSING_MODE="direct" |
724 |
WANT_VOSF=yes dnl we can use VOSF and we need it actually |
725 |
DEFINES="$DEFINES -DDIRECT_ADDRESSING" |
726 |
break |
727 |
fi |
728 |
;; |
729 |
banks) |
730 |
dnl Default addressing mode |
731 |
ADDRESSING_MODE="memory banks" |
732 |
break |
733 |
;; |
734 |
*) |
735 |
AC_MSG_ERROR([Internal configure.in script error for $am addressing mode]) |
736 |
esac |
737 |
done |
738 |
AC_MSG_RESULT($ADDRESSING_MODE) |
739 |
if [[ "x$ADDRESSING_MODE" = "x" ]]; then |
740 |
AC_MSG_WARN([Sorry, no suitable addressing mode in $ADDRESSING_TEST_ORDER]) |
741 |
ADDRESSING_MODE="memory banks" |
742 |
fi |
743 |
fi |
744 |
|
745 |
dnl Banked Memory Addressing mode is not supported by the JIT compiler |
746 |
if [[ "x$WANT_JIT" = "xyes" -a "x$ADDRESSING_MODE" = "xmemory banks" ]]; then |
747 |
AC_MSG_ERROR([Sorry, the JIT Compiler requires Direct Addressing, at least]) |
748 |
fi |
749 |
|
750 |
dnl Enable VOSF screen updates with this feature is requested and feasible |
751 |
if [[ "x$WANT_VOSF" = "xyes" -a "x$CAN_VOSF" = "xyes" ]]; then |
752 |
AC_DEFINE(ENABLE_VOSF, 1, [Define if using video enabled on SEGV signals.]) |
753 |
else |
754 |
WANT_VOSF=no |
755 |
fi |
756 |
|
757 |
dnl Check for GAS. |
758 |
HAVE_GAS=no |
759 |
AC_MSG_CHECKING(for GAS .p2align feature) |
760 |
cat >conftest.S << EOF |
761 |
.text |
762 |
.p2align 5 |
763 |
EOF |
764 |
if $CC conftest.S -c -o conftest.o >/dev/null 2>&1 ; then HAVE_GAS=yes; fi |
765 |
AC_MSG_RESULT($HAVE_GAS) |
766 |
|
767 |
dnl Check for GCC 2.7 or higher. |
768 |
HAVE_GCC27=no |
769 |
AC_MSG_CHECKING(for GCC 2.7 or higher) |
770 |
AC_EGREP_CPP(yes, |
771 |
[#if __GNUC__ - 1 > 1 || __GNUC_MINOR__ - 1 > 5 |
772 |
yes |
773 |
#endif |
774 |
], [AC_MSG_RESULT(yes); HAVE_GCC27=yes], AC_MSG_RESULT(no)) |
775 |
|
776 |
dnl Check for GCC 3.0 or higher. |
777 |
HAVE_GCC30=no |
778 |
AC_MSG_CHECKING(for GCC 3.0 or higher) |
779 |
AC_EGREP_CPP(yes, |
780 |
[#if __GNUC__ >= 3 |
781 |
yes |
782 |
#endif |
783 |
], [AC_MSG_RESULT(yes); HAVE_GCC30=yes], AC_MSG_RESULT(no)) |
784 |
|
785 |
dnl Set "-fomit-frame-pointer" on i386 GCC 2.7 or higher. |
786 |
dnl Also set "-fno-exceptions" for C++ because exception handling requires |
787 |
dnl the frame pointer. |
788 |
if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" ]]; then |
789 |
CFLAGS="$CFLAGS -fomit-frame-pointer" |
790 |
CXXFLAGS="$CXXFLAGS -fomit-frame-pointer -fno-exceptions" |
791 |
fi |
792 |
|
793 |
dnl (gb) Do not merge constants since it breaks fpu/fpu_x86.cpp. |
794 |
dnl As of 2001/08/02, this affects the following compilers: |
795 |
dnl Official: probably gcc-3.1 (mainline CVS) |
796 |
dnl Mandrake: gcc-2.96 >= 0.59mdk, gcc-3.0.1 >= 0.1mdk |
797 |
dnl Red Hat : gcc-2.96 >= 89, gcc-3.0 >= 1 |
798 |
if [[ "x$HAVE_GCC27" = "xyes" ]]; then |
799 |
SAVED_CXXFLAGS="$CXXFLAGS" |
800 |
CXXFLAGS="$CXXFLAGS -fno-merge-constants" |
801 |
AC_CACHE_CHECK([whether GCC supports constants merging], ac_cv_gcc_constants_merging, [ |
802 |
AC_LANG_SAVE |
803 |
AC_LANG_CPLUSPLUS |
804 |
AC_TRY_COMPILE([],[],[ac_cv_gcc_constants_merging=yes],[ac_cv_gcc_constants_merging=no]) |
805 |
AC_LANG_RESTORE |
806 |
]) |
807 |
if [[ "x$ac_cv_gcc_constants_merging" != "xyes" ]]; then |
808 |
CXXFLAGS="$SAVED_CXXFLAGS" |
809 |
fi |
810 |
fi |
811 |
|
812 |
dnl Select appropriate CPU source and REGPARAM define. |
813 |
ASM_OPTIMIZATIONS=none |
814 |
CPUSRCS="cpuemu1.cpp cpuemu2.cpp cpuemu3.cpp cpuemu4.cpp cpuemu5.cpp cpuemu6.cpp cpuemu7.cpp cpuemu8.cpp" |
815 |
|
816 |
dnl (gb) JITSRCS will be emptied later if the JIT is not available |
817 |
dnl Other platforms should define their own set of noflags file variants |
818 |
CAN_JIT=no |
819 |
JITSRCS="compemu1.cpp compemu2.cpp compemu3.cpp compemu4.cpp compemu5.cpp compemu6.cpp compemu7.cpp compemu8.cpp" |
820 |
|
821 |
if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" ]]; then |
822 |
dnl i386 CPU |
823 |
DEFINES="$DEFINES -DUNALIGNED_PROFITABLE -DREGPARAM=\"__attribute__((regparm(3)))\"" |
824 |
if [[ "x$HAVE_GAS" = "xyes" ]]; then |
825 |
ASM_OPTIMIZATIONS=i386 |
826 |
DEFINES="$DEFINES -DX86_ASSEMBLY -DOPTIMIZED_FLAGS -DSAHF_SETO_PROFITABLE" |
827 |
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 $JITSRCS" |
828 |
CAN_JIT=yes |
829 |
fi |
830 |
elif [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_SPARC" = "xyes" -a "x$HAVE_GAS" = "xyes" ]]; then |
831 |
dnl SPARC CPU |
832 |
case "$target_os" in |
833 |
solaris*) |
834 |
AC_MSG_CHECKING(SPARC CPU architecture) |
835 |
SPARC_TYPE=`Solaris/which_sparc` |
836 |
AC_MSG_RESULT($SPARC_TYPE) |
837 |
case "$SPARC_TYPE" in |
838 |
SPARC_V8) |
839 |
ASM_OPTIMIZATIONS="SPARC V8 architecture" |
840 |
DEFINES="$DEFINES -DSPARC_V8_ASSEMBLY" dnl -DOPTIMIZED_FLAGS" |
841 |
CFLAGS="$CFLAGS -Wa,-Av8" |
842 |
CXXFLAGS="$CXXFLAGS -Wa,-Av8" |
843 |
;; |
844 |
SPARC_V9) |
845 |
ASM_OPTIMIZATIONS="SPARC V9 architecture" |
846 |
DEFINES="$DEFINES -DSPARC_V9_ASSEMBLY" dnl -DOPTIMIZED_FLAGS" |
847 |
CFLAGS="$CFLAGS -Wa,-Av9" |
848 |
CXXFLAGS="$CXXFLAGS -Wa,-Av9" |
849 |
;; |
850 |
esac |
851 |
;; |
852 |
esac |
853 |
elif [[ "x$WANT_NATIVE_M68K" = "xyes" ]]; then |
854 |
dnl Native m68k, no emulation |
855 |
CPUINCLUDES="-I../native_cpu" |
856 |
CPUSRCS="asm_support.s" |
857 |
fi |
858 |
|
859 |
dnl Enable JIT compiler, if possible. |
860 |
if [[ "x$WANT_JIT" = "xyes" -a "x$CAN_JIT" ]]; then |
861 |
JITSRCS="$JITSRCS ../uae_cpu/compiler/compemu_support.cpp ../uae_cpu/compiler/compemu_fpp.cpp compstbl.o cpustbl_nf.o" |
862 |
DEFINES="$DEFINES -DUSE_JIT -DUSE_JIT_FPU" |
863 |
|
864 |
if [[ "x$WANT_JIT_DEBUG" = "xyes" ]]; then |
865 |
if [[ "x$WANT_MON" = "xyes" ]]; then |
866 |
DEFINES="$DEFINES -DJIT_DEBUG=1" |
867 |
else |
868 |
AC_MSG_WARN([cxmon not found, ignoring --enable-jit-debug]) |
869 |
WANT_JIT_DEBUG=no |
870 |
fi |
871 |
fi |
872 |
|
873 |
dnl IEEE core is the only FPU emulator to use with the JIT compiler |
874 |
case $FPE_CORE_TEST_ORDER in |
875 |
ieee*) ;; |
876 |
*) AC_MSG_WARN([Forcing use of the IEEE FPU core, as the JIT compiler supports only this one.]) ;; |
877 |
esac |
878 |
FPE_CORE_TEST_ORDER="ieee" |
879 |
else |
880 |
WANT_JIT=no |
881 |
WANT_JIT_DEBUG=no |
882 |
JITSRCS="" |
883 |
fi |
884 |
|
885 |
dnl Utility macro used by next two tests. |
886 |
dnl AC_EXAMINE_OBJECT(C source code, |
887 |
dnl commands examining object file, |
888 |
dnl [commands to run if compile failed]): |
889 |
dnl |
890 |
dnl Compile the source code to an object file; then convert it into a |
891 |
dnl printable representation. All unprintable characters and |
892 |
dnl asterisks (*) are replaced by dots (.). All white space is |
893 |
dnl deleted. Newlines (ASCII 0x10) in the input are preserved in the |
894 |
dnl output, but runs of newlines are compressed to a single newline. |
895 |
dnl Finally, line breaks are forcibly inserted so that no line is |
896 |
dnl longer than 80 columns and the file ends with a newline. The |
897 |
dnl result of all this processing is in the file conftest.dmp, which |
898 |
dnl may be examined by the commands in the second argument. |
899 |
dnl |
900 |
AC_DEFUN([gcc_AC_EXAMINE_OBJECT], |
901 |
[AC_LANG_SAVE |
902 |
AC_LANG_C |
903 |
dnl Next bit cribbed from AC_TRY_COMPILE. |
904 |
cat > conftest.$ac_ext <<EOF |
905 |
[#line __oline__ "configure" |
906 |
#include "confdefs.h" |
907 |
$1 |
908 |
]EOF |
909 |
if AC_TRY_EVAL(ac_compile); then |
910 |
od -c conftest.o | |
911 |
sed ['s/^[0-7]*[ ]*/ / |
912 |
s/\*/./g |
913 |
s/ \\n/*/g |
914 |
s/ [0-9][0-9][0-9]/./g |
915 |
s/ \\[^ ]/./g'] | |
916 |
tr -d ' |
917 |
' | tr -s '*' ' |
918 |
' | fold | sed '$a\ |
919 |
' > conftest.dmp |
920 |
$2 |
921 |
ifelse($3, , , else |
922 |
$3 |
923 |
)dnl |
924 |
fi |
925 |
rm -rf conftest* |
926 |
AC_LANG_RESTORE]) |
927 |
|
928 |
dnl Floating point format probe. |
929 |
dnl The basic concept is the same as the above: grep the object |
930 |
dnl file for an interesting string. We have to watch out for |
931 |
dnl rounding changing the values in the object, however; this is |
932 |
dnl handled by ignoring the least significant byte of the float. |
933 |
dnl |
934 |
dnl Does not know about VAX G-float or C4x idiosyncratic format. |
935 |
dnl It does know about PDP-10 idiosyncratic format, but this is |
936 |
dnl not presently supported by GCC. S/390 "binary floating point" |
937 |
dnl is in fact IEEE (but maybe we should have that in EBCDIC as well |
938 |
dnl as ASCII?) |
939 |
dnl |
940 |
AC_DEFUN([gcc_AC_C_FLOAT_FORMAT], |
941 |
[AC_CACHE_CHECK(floating point format, ac_cv_c_float_format, |
942 |
[gcc_AC_EXAMINE_OBJECT( |
943 |
[/* This will not work unless sizeof(double) == 8. */ |
944 |
extern char sizeof_double_must_be_8 [sizeof(double) == 8 ? 1 : -1]; |
945 |
|
946 |
/* This structure must have no internal padding. */ |
947 |
struct possibility { |
948 |
char prefix[8]; |
949 |
double candidate; |
950 |
char postfix[8]; |
951 |
}; |
952 |
|
953 |
#define C(cand) { "\nformat:", cand, ":tamrof\n" } |
954 |
struct possibility table [] = |
955 |
{ |
956 |
C( 3.25724264705901305206e+01), /* @@IEEEFP - IEEE 754 */ |
957 |
C( 3.53802595280598432000e+18), /* D__float - VAX */ |
958 |
C( 5.32201830133125317057e-19), /* D.PDP-10 - PDP-10 - the dot is 0x13a */ |
959 |
C( 1.77977764695171661377e+10), /* IBMHEXFP - s/390 format, ascii */ |
960 |
C(-5.22995989424860458374e+10) /* IBMHEXFP - s/390 format, EBCDIC */ |
961 |
};], |
962 |
[if grep 'format:.@IEEEF.:tamrof' conftest.dmp >/dev/null 2>&1; then |
963 |
ac_cv_c_float_format='IEEE (big-endian)' |
964 |
elif grep 'format:.I@@PFE.:tamrof' conftest.dmp >/dev/null 2>&1; then |
965 |
ac_cv_c_float_format='IEEE (big-endian)' |
966 |
elif grep 'format:.FEEEI@.:tamrof' conftest.dmp >/dev/null 2>&1; then |
967 |
ac_cv_c_float_format='IEEE (little-endian)' |
968 |
elif grep 'format:.EFP@@I.:tamrof' conftest.dmp >/dev/null 2>&1; then |
969 |
ac_cv_c_float_format='IEEE (little-endian)' |
970 |
elif grep 'format:.__floa.:tamrof' conftest.dmp >/dev/null 2>&1; then |
971 |
ac_cv_c_float_format='VAX D-float' |
972 |
elif grep 'format:..PDP-1.:tamrof' conftest.dmp >/dev/null 2>&1; then |
973 |
ac_cv_c_float_format='PDP-10' |
974 |
elif grep 'format:.BMHEXF.:tamrof' conftest.dmp >/dev/null 2>&1; then |
975 |
ac_cv_c_float_format='IBM 370 hex' |
976 |
else |
977 |
AC_MSG_ERROR(Unknown floating point format) |
978 |
fi], |
979 |
[AC_MSG_ERROR(compile failed)]) |
980 |
]) |
981 |
# IEEE is the default format. If the float endianness isn't the same |
982 |
# as the integer endianness, we have to set FLOAT_WORDS_BIG_ENDIAN |
983 |
# (which is a tristate: yes, no, default). This is only an issue with |
984 |
# IEEE; the other formats are only supported by a few machines each, |
985 |
# all with the same endianness. |
986 |
format=IEEE_FLOAT_FORMAT |
987 |
fbigend= |
988 |
case $ac_cv_c_float_format in |
989 |
'IEEE (big-endian)' ) |
990 |
if test $ac_cv_c_bigendian = no; then |
991 |
fbigend=1 |
992 |
fi |
993 |
;; |
994 |
'IEEE (little-endian)' ) |
995 |
if test $ac_cv_c_bigendian = yes; then |
996 |
fbigend=0 |
997 |
fi |
998 |
;; |
999 |
'VAX D-float' ) |
1000 |
format=VAX_FLOAT_FORMAT |
1001 |
;; |
1002 |
'PDP-10' ) |
1003 |
format=PDP10_FLOAT_FORMAT |
1004 |
;; |
1005 |
'IBM 370 hex' ) |
1006 |
format=IBM_FLOAT_FORMAT |
1007 |
;; |
1008 |
esac |
1009 |
AC_DEFINE_UNQUOTED(HOST_FLOAT_FORMAT, $format, |
1010 |
[Define to the floating point format of the host machine.]) |
1011 |
if test -n "$fbigend"; then |
1012 |
AC_DEFINE_UNQUOTED(HOST_FLOAT_WORDS_BIG_ENDIAN, $fbigend, |
1013 |
[Define to 1 if the host machine stores floating point numbers in |
1014 |
memory with the word containing the sign bit at the lowest address, |
1015 |
or to 0 if it does it the other way around. |
1016 |
|
1017 |
This macro should not be defined if the ordering is the same as for |
1018 |
multi-word integers.]) |
1019 |
fi |
1020 |
]) |
1021 |
|
1022 |
dnl Select appropriate FPU source. |
1023 |
gcc_AC_C_FLOAT_FORMAT |
1024 |
AC_CHECK_HEADERS(ieee754.h ieeefp.h floatingpoint.h nan.h) |
1025 |
|
1026 |
for fpe in $FPE_CORE_TEST_ORDER; do |
1027 |
case $fpe in |
1028 |
ieee) |
1029 |
case $ac_cv_c_float_format in |
1030 |
IEEE*) |
1031 |
FPE_CORE="IEEE fpu core" |
1032 |
DEFINES="$DEFINES -DFPU_IEEE" |
1033 |
FPUSRCS="../uae_cpu/fpu/fpu_ieee.cpp" |
1034 |
dnl Math functions not mandated by C99 standard |
1035 |
AC_CHECK_FUNCS(isnanl isinfl) |
1036 |
dnl Math functions required by C99 standard, but probably not |
1037 |
dnl implemented everywhere. In that case, we fall back to the |
1038 |
dnl regular variant for doubles. |
1039 |
AC_CHECK_FUNCS(logl log10l expl powl fabsl sqrtl) |
1040 |
AC_CHECK_FUNCS(sinl cosl tanl sinhl coshl tanhl) |
1041 |
AC_CHECK_FUNCS(asinl acosl atanl asinhl acoshl atanhl) |
1042 |
AC_CHECK_FUNCS(floorl ceill) |
1043 |
break |
1044 |
;; |
1045 |
esac |
1046 |
;; |
1047 |
x86) |
1048 |
if [[ ":$HAVE_GCC27:$HAVE_I386:$HAVE_GAS:" = ":yes:yes:yes:" ]]; then |
1049 |
FPE_CORE="i387 fpu core" |
1050 |
DEFINES="$DEFINES -DFPU_X86" |
1051 |
FPUSRCS="../uae_cpu/fpu/fpu_x86.cpp" |
1052 |
break |
1053 |
fi |
1054 |
;; |
1055 |
uae) |
1056 |
FPE_CORE="uae fpu core" |
1057 |
DEFINES="$DEFINES -DFPU_UAE" |
1058 |
FPUSRCS="../uae_cpu/fpu/fpu_uae.cpp" |
1059 |
break |
1060 |
;; |
1061 |
*) |
1062 |
AC_MSG_ERROR([Internal configure.in script error for $fpe fpu core]) |
1063 |
;; |
1064 |
esac |
1065 |
done |
1066 |
if [[ "x$FPE_CORE" = "x" ]]; then |
1067 |
AC_MSG_ERROR([Sorry, no suitable FPU core found in $FPE_CORE_TEST_ORDER]) |
1068 |
fi |
1069 |
|
1070 |
dnl Check for certain math functions |
1071 |
AC_CHECK_FUNCS(atanh) |
1072 |
AC_CHECK_FUNCS(isnan isinf finite isnormal signbit) |
1073 |
|
1074 |
dnl UAE CPU sources for all non-m68k-native architectures. |
1075 |
if [[ "x$WANT_NATIVE_M68K" = "xno" ]]; then |
1076 |
CPUINCLUDES="-I../uae_cpu" |
1077 |
CPUSRCS="../uae_cpu/basilisk_glue.cpp ../uae_cpu/memory.cpp ../uae_cpu/newcpu.cpp ../uae_cpu/readcpu.cpp $FPUSRCS cpustbl.cpp cpudefs.cpp $CPUSRCS $JITSRCS" |
1078 |
fi |
1079 |
|
1080 |
dnl Remove the "-g" option if set for GCC. |
1081 |
if [[ "x$HAVE_GCC27" = "xyes" ]]; then |
1082 |
CFLAGS=`echo $CFLAGS | sed -e 's/-g//g'` |
1083 |
CXXFLAGS=`echo $CXXFLAGS | sed -e 's/-g//g'` |
1084 |
fi |
1085 |
|
1086 |
dnl Or if we have -Ofast |
1087 |
if [[ "x$HAVE_OFAST" = "xyes" ]]; then |
1088 |
CFLAGS="`echo $CFLAGS | sed -e 's/-g//g'` -Ofast" |
1089 |
CXXFLAGS="`echo $CXXFLAGS | sed -e 's/-g//g'` -Ofast" |
1090 |
CXXFLAGS="-LANG:std $CXXFLAGS" |
1091 |
LDFLAGS="$LDFLAGS -ipa" |
1092 |
fi |
1093 |
|
1094 |
dnl Generate Makefile. |
1095 |
AC_SUBST(DEFINES) |
1096 |
AC_SUBST(SYSSRCS) |
1097 |
AC_SUBST(CPUINCLUDES) |
1098 |
AC_SUBST(CPUSRCS) |
1099 |
AC_OUTPUT(Makefile) |
1100 |
|
1101 |
dnl Print summary. |
1102 |
echo |
1103 |
echo Basilisk II configuration summary: |
1104 |
echo |
1105 |
echo XFree86 DGA support .................... : $WANT_XF86_DGA |
1106 |
echo XFree86 VidMode support ................ : $WANT_XF86_VIDMODE |
1107 |
echo fbdev DGA support ...................... : $WANT_FBDEV_DGA |
1108 |
echo Enable video on SEGV signals ........... : $WANT_VOSF |
1109 |
echo ESD sound support ...................... : $WANT_ESD |
1110 |
echo GTK user interface ..................... : $WANT_GTK |
1111 |
echo mon debugger support ................... : $WANT_MON |
1112 |
echo Running m68k code natively ............. : $WANT_NATIVE_M68K |
1113 |
echo Use JIT compiler ....................... : $WANT_JIT |
1114 |
echo JIT debug mode ......................... : $WANT_JIT_DEBUG |
1115 |
echo Floating-Point emulation core .......... : $FPE_CORE |
1116 |
echo Assembly optimizations ................. : $ASM_OPTIMIZATIONS |
1117 |
echo Addressing mode ........................ : $ADDRESSING_MODE |
1118 |
echo |
1119 |
echo "Configuration done. Now type \"make\" (or \"gmake\")." |