| 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([Basilisk II], 1.0, [Christian.Bauer@uni-mainz.de], BasiliskII) |
| 5 |
AC_CONFIG_SRCDIR(main_unix.cpp) |
| 6 |
AC_PREREQ(2.52) |
| 7 |
AC_CONFIG_HEADER(config.h) |
| 8 |
|
| 9 |
dnl Aliases for PACKAGE and VERSION macros. |
| 10 |
AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE_NAME", [Define this program name.]) |
| 11 |
AC_DEFINE_UNQUOTED(VERSION, "$PACKAGE_VERSION", [Define this program version.]) |
| 12 |
|
| 13 |
dnl Some systems do not put corefiles in the currect directory, avoid saving |
| 14 |
dnl cores for the configure tests since some are intended to dump core. |
| 15 |
ulimit -c 0 |
| 16 |
|
| 17 |
dnl Video options. |
| 18 |
AC_ARG_ENABLE(xf86-dga, [ --enable-xf86-dga use the XFree86 DGA extension [default=yes]], [WANT_XF86_DGA=$enableval], [WANT_XF86_DGA=yes]) |
| 19 |
AC_ARG_ENABLE(xf86-vidmode, [ --enable-xf86-vidmode use the XFree86 VidMode extension [default=yes]], [WANT_XF86_VIDMODE=$enableval], [WANT_XF86_VIDMODE=yes]) |
| 20 |
AC_ARG_ENABLE(fbdev-dga, [ --enable-fbdev-dga use direct frame buffer access via /dev/fb [default=yes]], [WANT_FBDEV_DGA=$enableval], [WANT_FBDEV_DGA=yes]) |
| 21 |
AC_ARG_ENABLE(vosf, [ --enable-vosf enable video on SEGV signals [default=yes]], [WANT_VOSF=$enableval], [WANT_VOSF=yes]) |
| 22 |
|
| 23 |
dnl SDL options. |
| 24 |
AC_ARG_ENABLE(sdl-static, [ --enable-sdl-static use SDL static libraries for linking [default=no]], [WANT_SDL_STATIC=$enableval], [WANT_SDL_STATIC=no]) |
| 25 |
AC_ARG_ENABLE(sdl-video, [ --enable-sdl-video use SDL for video graphics [default=no]], [WANT_SDL_VIDEO=$enableval], [WANT_SDL_VIDEO=no]) |
| 26 |
AC_ARG_ENABLE(sdl-audio, [ --enable-sdl-audio use SDL for audio [default=no]], [WANT_SDL_AUDIO=$enableval], [WANT_SDL_AUDIO=no]) |
| 27 |
|
| 28 |
dnl JIT compiler options. |
| 29 |
AC_ARG_ENABLE(jit-compiler, [ --enable-jit-compiler enable JIT compiler [default=no]], [WANT_JIT=$enableval], [WANT_JIT=no]) |
| 30 |
AC_ARG_ENABLE(jit-debug, [ --enable-jit-debug activate native code disassemblers [default=no]], [WANT_JIT_DEBUG=$enableval], [WANT_JIT_DEBUG=no]) |
| 31 |
|
| 32 |
dnl FPU emulation core. |
| 33 |
AC_ARG_ENABLE(fpe, |
| 34 |
[ --enable-fpe=FPE specify which fpu emulator to use [default=auto]], |
| 35 |
[ case "$enableval" in |
| 36 |
dnl default is always ieee, if architecture has this fp format |
| 37 |
auto) FPE_CORE_TEST_ORDER="ieee uae";; |
| 38 |
ieee) FPE_CORE_TEST_ORDER="ieee";; |
| 39 |
uae) FPE_CORE_TEST_ORDER="uae";; |
| 40 |
x86) FPE_CORE_TEST_ORDER="x86";; |
| 41 |
*) AC_MSG_ERROR([--enable-fpe takes only one of the following values: auto, x86, ieee, uae]);; |
| 42 |
esac |
| 43 |
], |
| 44 |
[ FPE_CORE_TEST_ORDER="ieee uae" |
| 45 |
]) |
| 46 |
|
| 47 |
dnl Addressing modes. |
| 48 |
AC_ARG_ENABLE(addressing, |
| 49 |
[ --enable-addressing=AM specify the addressing mode to use [default=fastest]], |
| 50 |
[ case "$enableval" in |
| 51 |
real) ADDRESSING_TEST_ORDER="real";; |
| 52 |
direct) ADDRESSING_TEST_ORDER="direct";; |
| 53 |
banks) ADDRESSING_TEST_ORDER="banks";; |
| 54 |
fastest)ADDRESSING_TEST_ORDER="direct banks";; |
| 55 |
*) AC_MSG_ERROR([--enable-addressing takes only one of the following values: fastest, real, direct, banks]);; |
| 56 |
esac |
| 57 |
], |
| 58 |
[ ADDRESSING_TEST_ORDER="direct banks" |
| 59 |
]) |
| 60 |
|
| 61 |
dnl External packages. |
| 62 |
AC_ARG_WITH(esd, [ --with-esd support ESD for sound under Linux/FreeBSD [default=yes]], [WANT_ESD=$withval], [WANT_ESD=yes]) |
| 63 |
AC_ARG_WITH(gtk, [ --with-gtk use GTK user interface [default=yes]], |
| 64 |
[case "$withval" in |
| 65 |
gtk1) WANT_GTK="gtk";; |
| 66 |
gtk|gtk2) WANT_GTK="$withval";; |
| 67 |
yes) WANT_GTK="gtk2 gtk";; |
| 68 |
*) WANT_GTK="no";; |
| 69 |
esac], |
| 70 |
[WANT_GTK="gtk2 gtk"]) |
| 71 |
AC_ARG_WITH(mon, [ --with-mon use mon as debugger [default=yes]], [WANT_MON=$withval], [WANT_MON=yes]) |
| 72 |
|
| 73 |
dnl Canonical system information. |
| 74 |
AC_CANONICAL_HOST |
| 75 |
AC_CANONICAL_TARGET |
| 76 |
|
| 77 |
dnl Target OS type (target is host if not cross-compiling). |
| 78 |
case "$target_os" in |
| 79 |
linux*) OS_TYPE=linux;; |
| 80 |
netbsd*) OS_TYPE=netbsd;; |
| 81 |
freebsd*) OS_TYPE=freebsd;; |
| 82 |
solaris*) OS_TYPE=solaris;; |
| 83 |
darwin*) OS_TYPE=darwin;; |
| 84 |
*) OS_TYPE=`echo $target_os | sed -e 's/-/_/g' | sed -e 's/\./_/g'`;; |
| 85 |
esac |
| 86 |
DEFINES="$DEFINES -DOS_$OS_TYPE" |
| 87 |
|
| 88 |
dnl Target CPU type. |
| 89 |
HAVE_I386=no |
| 90 |
HAVE_M68K=no |
| 91 |
HAVE_SPARC=no |
| 92 |
HAVE_POWERPC=no |
| 93 |
HAVE_X86_64=no |
| 94 |
case "$target_cpu" in |
| 95 |
i386* | i486* | i586* | i686* | i786* ) HAVE_I386=yes;; |
| 96 |
m68k* ) HAVE_M68K=yes;; |
| 97 |
sparc* ) HAVE_SPARC=yes;; |
| 98 |
powerpc* ) HAVE_POWERPC=yes;; |
| 99 |
x86_64* ) HAVE_X86_64=yes;; |
| 100 |
esac |
| 101 |
|
| 102 |
dnl Checks for programs. |
| 103 |
AC_PROG_CC |
| 104 |
AC_PROG_CC_C_O |
| 105 |
AC_PROG_CPP |
| 106 |
AC_PROG_CXX |
| 107 |
AC_PROG_MAKE_SET |
| 108 |
AC_PROG_INSTALL |
| 109 |
AC_PROG_EGREP |
| 110 |
|
| 111 |
dnl We use mon if possible. |
| 112 |
MONSRCS= |
| 113 |
if [[ "x$WANT_MON" = "xyes" ]]; then |
| 114 |
AC_MSG_CHECKING(for mon) |
| 115 |
mon_srcdir=../../../mon/src |
| 116 |
if grep mon_init $mon_srcdir/mon.h >/dev/null 2>/dev/null; then |
| 117 |
AC_MSG_RESULT(yes) |
| 118 |
AC_DEFINE(ENABLE_MON, 1, [Define if using "mon".]) |
| 119 |
MONSRCS="$mon_srcdir/mon.cpp $mon_srcdir/mon_6502.cpp $mon_srcdir/mon_z80.cpp $mon_srcdir/mon_cmd.cpp $mon_srcdir/mon_disass.cpp $mon_srcdir/mon_ppc.cpp $mon_srcdir/mon_lowmem.cpp $mon_srcdir/disass/floatformat.c $mon_srcdir/disass/i386-dis.c $mon_srcdir/disass/m68k-dis.c $mon_srcdir/disass/m68k-opc.c" |
| 120 |
CXXFLAGS="$CXXFLAGS -I$mon_srcdir -I$mon_srcdir/disass" |
| 121 |
AC_CHECK_LIB(ncurses, tgetent, , |
| 122 |
AC_CHECK_LIB(termcap, tgetent, , |
| 123 |
AC_CHECK_LIB(termlib, tgetent, , |
| 124 |
AC_CHECK_LIB(terminfo, tgetent, , |
| 125 |
AC_CHECK_LIB(Hcurses, tgetent, , |
| 126 |
AC_CHECK_LIB(curses, tgetent)))))) |
| 127 |
AC_CHECK_LIB(readline, readline) |
| 128 |
else |
| 129 |
AC_MSG_RESULT(no) |
| 130 |
AC_MSG_WARN([Could not find mon, ignoring --with-mon.]) |
| 131 |
WANT_MON=no |
| 132 |
fi |
| 133 |
fi |
| 134 |
|
| 135 |
dnl Checks for libraries. |
| 136 |
AC_CHECK_LIB(posix4, sem_init) |
| 137 |
AC_CHECK_LIB(rt, timer_create) |
| 138 |
AC_CHECK_LIB(rt, shm_open) |
| 139 |
|
| 140 |
dnl Do we need SDL? |
| 141 |
WANT_SDL=no |
| 142 |
if [[ "x$WANT_SDL_VIDEO" = "xyes" ]]; then |
| 143 |
WANT_SDL=yes |
| 144 |
WANT_XF86_DGA=no |
| 145 |
WANT_XF86_VIDMODE=no |
| 146 |
WANT_FBDEV_DGA=no |
| 147 |
SDL_SUPPORT="$SDL_SUPPORT video" |
| 148 |
fi |
| 149 |
if [[ "x$WANT_SDL_AUDIO" = "xyes" ]]; then |
| 150 |
WANT_SDL=yes |
| 151 |
SDL_SUPPORT="$SDL_SUPPORT audio" |
| 152 |
fi |
| 153 |
if [[ "x$WANT_SDL" = "xyes" ]]; then |
| 154 |
AC_PATH_PROG(sdl_config, "sdl-config") |
| 155 |
if [[ -n "$sdl_config" ]]; then |
| 156 |
case $target_os in |
| 157 |
# Special treatment for Cygwin so that we can still use the POSIX layer |
| 158 |
*cygwin*) |
| 159 |
sdl_cflags="-I`$sdl_config --prefix`/include/SDL" |
| 160 |
sdl_libs="-L`$sdl_config --exec-prefix`/lib -lSDL" |
| 161 |
;; |
| 162 |
*) |
| 163 |
sdl_cflags=`$sdl_config --cflags` |
| 164 |
if [[ "x$WANT_SDL_STATIC" = "xyes" ]]; then |
| 165 |
sdl_libs=`$sdl_config --static-libs` |
| 166 |
else |
| 167 |
sdl_libs=`$sdl_config --libs` |
| 168 |
fi |
| 169 |
;; |
| 170 |
esac |
| 171 |
CFLAGS="$CFLAGS $sdl_cflags" |
| 172 |
CXXFLAGS="$CXXFLAGS $sdl_cflags" |
| 173 |
LIBS="$LIBS $sdl_libs" |
| 174 |
else |
| 175 |
WANT_SDL=no |
| 176 |
fi |
| 177 |
SDL_SUPPORT=`echo "$SDL_SUPPORT" | sed -e "s/^ //"` |
| 178 |
else |
| 179 |
SDL_SUPPORT="none" |
| 180 |
fi |
| 181 |
|
| 182 |
dnl We need X11, if not using SDL. |
| 183 |
if [[ "x$WANT_SDL" = "xno" ]]; then |
| 184 |
AC_PATH_XTRA |
| 185 |
if [[ "x$no_x" = "xyes" ]]; then |
| 186 |
AC_MSG_ERROR([You need X11 to run Basilisk II.]) |
| 187 |
fi |
| 188 |
CFLAGS="$CFLAGS $X_CFLAGS" |
| 189 |
CXXFLAGS="$CXXFLAGS $X_CFLAGS" |
| 190 |
LIBS="$LIBS $X_PRE_LIBS $X_LIBS -lX11 -lXext $X_EXTRA_LIBS" |
| 191 |
fi |
| 192 |
|
| 193 |
dnl We want pthreads. Try libpthread first, then libc_r (FreeBSD), then PTL. |
| 194 |
HAVE_PTHREADS=yes |
| 195 |
AC_CHECK_LIB(pthread, pthread_create, , [ |
| 196 |
AC_CHECK_LIB(c_r, pthread_create, , [ |
| 197 |
AC_CHECK_LIB(PTL, pthread_create, , [ |
| 198 |
HAVE_PTHREADS=no |
| 199 |
]) |
| 200 |
]) |
| 201 |
]) |
| 202 |
if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then |
| 203 |
AC_DEFINE(HAVE_PTHREADS, 1, [Define if pthreads are available.]) |
| 204 |
fi |
| 205 |
AC_CHECK_FUNCS(pthread_cond_init) |
| 206 |
AC_CHECK_FUNCS(pthread_cancel pthread_testcancel) |
| 207 |
AC_CHECK_FUNCS(pthread_mutexattr_setprotocol) |
| 208 |
AC_CHECK_FUNCS(pthread_mutexattr_settype) |
| 209 |
AC_CHECK_FUNCS(pthread_mutexattr_setpshared) |
| 210 |
|
| 211 |
dnl If POSIX.4 semaphores are not available, we emulate them with pthread mutexes. |
| 212 |
SEMSRC= |
| 213 |
AC_CHECK_FUNCS(sem_init, , [ |
| 214 |
if test "x$HAVE_PTHREADS" = "xyes"; then |
| 215 |
SEMSRC=posix_sem.cpp |
| 216 |
fi |
| 217 |
]) |
| 218 |
|
| 219 |
dnl We use DGA (XFree86 or fbdev) if possible. |
| 220 |
if [[ "x$WANT_XF86_DGA" = "xyes" ]]; then |
| 221 |
AC_CHECK_LIB(Xxf86dga, XF86DGAQueryExtension, [ |
| 222 |
AC_DEFINE(ENABLE_XF86_DGA, 1, [Define if using XFree86 DGA extension.]) |
| 223 |
LIBS="$LIBS -lXxf86dga" |
| 224 |
if [[ "x$WANT_FBDEV_DGA" = "xyes" ]]; then |
| 225 |
AC_MSG_WARN([Cannot have both --enable-xf86-dga and --enable-fbdev-dga, ignoring --enable-fbdev-dga.]) |
| 226 |
WANT_FBDEV_DGA=no |
| 227 |
fi |
| 228 |
], [ |
| 229 |
AC_MSG_WARN([Could not find XFree86 DGA extension, ignoring --enable-xf86-dga.]) |
| 230 |
WANT_XF86_DGA=no |
| 231 |
]) |
| 232 |
fi |
| 233 |
if [[ "x$WANT_FBDEV_DGA" = "xyes" ]]; then |
| 234 |
AC_DEFINE(ENABLE_FBDEV_DGA, 1, [Define if using DGA with framebuffer device.]) |
| 235 |
fi |
| 236 |
|
| 237 |
dnl We use XFree86 VidMode if possible. |
| 238 |
if [[ "x$WANT_XF86_VIDMODE" = "xyes" ]]; then |
| 239 |
AC_CHECK_LIB(Xxf86vm, XF86VidModeQueryExtension, [ |
| 240 |
AC_DEFINE(ENABLE_XF86_VIDMODE, 1, [Define if using XFree86 DGA extension.]) |
| 241 |
LIBS="$LIBS -lXxf86vm" |
| 242 |
], [ |
| 243 |
AC_MSG_WARN([Could not find XFree86 VidMode extension, ignoring --enable-xf86-vidmode.]) |
| 244 |
WANT_XF86_VIDMODE=no |
| 245 |
]) |
| 246 |
fi |
| 247 |
|
| 248 |
dnl We use GTK+ if possible. |
| 249 |
UISRCS=../dummy/prefs_editor_dummy.cpp |
| 250 |
case "x$WANT_GTK" in |
| 251 |
xgtk2*) |
| 252 |
AM_PATH_GTK_2_0(1.3.15, [ |
| 253 |
AC_DEFINE(ENABLE_GTK, 1, [Define if using GTK.]) |
| 254 |
CFLAGS="$CFLAGS $GTK_CFLAGS" |
| 255 |
CXXFLAGS="$CXXFLAGS $GTK_CFLAGS" |
| 256 |
LIBS="$LIBS $GTK_LIBS" |
| 257 |
UISRCS=prefs_editor_gtk.cpp |
| 258 |
WANT_GTK=gtk2 |
| 259 |
], [ |
| 260 |
case "x${WANT_GTK}x" in |
| 261 |
*gtkx) |
| 262 |
AC_MSG_WARN([Could not find GTK+ 2.0, trying with GTK+ 1.2.]) |
| 263 |
WANT_GTK=gtk |
| 264 |
;; |
| 265 |
*) |
| 266 |
AC_MSG_WARN([Could not find GTK+, disabling user interface.]) |
| 267 |
WANT_GTK=no |
| 268 |
;; |
| 269 |
esac |
| 270 |
]) |
| 271 |
;; |
| 272 |
esac |
| 273 |
if [[ "x$WANT_GTK" = "xgtk" ]]; then |
| 274 |
AM_PATH_GTK(1.2.0, [ |
| 275 |
AC_DEFINE(ENABLE_GTK, 1, [Define if using GTK.]) |
| 276 |
CXXFLAGS="$CXXFLAGS $GTK_CFLAGS" |
| 277 |
LIBS="$LIBS $GTK_LIBS" |
| 278 |
UISRCS=prefs_editor_gtk.cpp |
| 279 |
dnl somehow, <gnome-i18n.h> would redefine gettext() to nothing if |
| 280 |
dnl ENABLE_NLS is not set, thusly conflicting with C++ <string> which |
| 281 |
dnl includes <libintl.h> |
| 282 |
AM_GNU_GETTEXT |
| 283 |
B2_PATH_GNOMEUI([ |
| 284 |
AC_DEFINE(HAVE_GNOMEUI, 1, [Define if libgnomeui is available.]) |
| 285 |
CXXFLAGS="$CXXFLAGS $GNOMEUI_CFLAGS" |
| 286 |
LIBS="$LIBS $GNOMEUI_LIBS" |
| 287 |
], []) |
| 288 |
], [ |
| 289 |
AC_MSG_WARN([Could not find GTK+, disabling user interface.]) |
| 290 |
WANT_GTK=no |
| 291 |
]) |
| 292 |
fi |
| 293 |
|
| 294 |
dnl We use ESD if possible. |
| 295 |
if [[ "x$WANT_ESD" = "xyes" ]]; then |
| 296 |
AM_PATH_ESD(0.2.8, [ |
| 297 |
AC_DEFINE(ENABLE_ESD, 1, [Define is using ESD.]) |
| 298 |
CFLAGS="$CFLAGS $ESD_CFLAGS" |
| 299 |
CXXFLAGS="$CXXFLAGS $ESD_CFLAGS" |
| 300 |
LIBS="$LIBS $ESD_LIBS" |
| 301 |
], [ |
| 302 |
AC_MSG_WARN([Could not find ESD, disabling ESD support.]) |
| 303 |
WANT_ESD=no |
| 304 |
]) |
| 305 |
fi |
| 306 |
|
| 307 |
dnl We use 64-bit file size support if possible. |
| 308 |
AC_SYS_LARGEFILE |
| 309 |
|
| 310 |
dnl Checks for header files. |
| 311 |
AC_HEADER_STDC |
| 312 |
AC_CHECK_HEADERS(unistd.h stdlib.h fcntl.h sys/types.h sys/time.h sys/mman.h mach/mach.h) |
| 313 |
AC_CHECK_HEADERS(readline.h history.h readline/readline.h readline/history.h) |
| 314 |
AC_CHECK_HEADERS(sys/socket.h sys/ioctl.h sys/filio.h sys/bitypes.h sys/wait.h) |
| 315 |
AC_CHECK_HEADERS(sys/poll.h sys/select.h) |
| 316 |
AC_CHECK_HEADERS(arpa/inet.h) |
| 317 |
AC_CHECK_HEADERS(linux/if.h linux/if_tun.h net/if.h net/if_tun.h, [], [], [ |
| 318 |
#ifdef HAVE_SYS_TYPES_H |
| 319 |
#include <sys/types.h> |
| 320 |
#endif |
| 321 |
#ifdef HAVE_SYS_SOCKET_H |
| 322 |
#include <sys/socket.h> |
| 323 |
#endif |
| 324 |
]) |
| 325 |
AC_CHECK_HEADERS(AvailabilityMacros.h) |
| 326 |
AC_CHECK_HEADERS(IOKit/storage/IOBlockStorageDevice.h) |
| 327 |
|
| 328 |
dnl Checks for typedefs, structures, and compiler characteristics. |
| 329 |
AC_C_BIGENDIAN |
| 330 |
AC_C_CONST |
| 331 |
AC_C_INLINE |
| 332 |
AC_CHECK_SIZEOF(short, 2) |
| 333 |
AC_CHECK_SIZEOF(int, 4) |
| 334 |
AC_CHECK_SIZEOF(long, 4) |
| 335 |
AC_CHECK_SIZEOF(long long, 8) |
| 336 |
AC_CHECK_SIZEOF(float, 4) |
| 337 |
AC_CHECK_SIZEOF(double, 8) |
| 338 |
AC_CHECK_SIZEOF(long double, 12) |
| 339 |
AC_CHECK_SIZEOF(void *, 4) |
| 340 |
AC_TYPE_OFF_T |
| 341 |
AC_CHECK_TYPES(loff_t) |
| 342 |
AC_CHECK_TYPES(caddr_t) |
| 343 |
AC_TYPE_SIZE_T |
| 344 |
AC_TYPE_SIGNAL |
| 345 |
AC_HEADER_TIME |
| 346 |
AC_STRUCT_TM |
| 347 |
|
| 348 |
dnl Check whether sys/socket.h defines type socklen_t. |
| 349 |
dnl (extracted from ac-archive/Miscellaneous) |
| 350 |
AC_CACHE_CHECK([for socklen_t], |
| 351 |
ac_cv_type_socklen_t, [ |
| 352 |
AC_TRY_COMPILE([ |
| 353 |
#include <sys/types.h> |
| 354 |
#include <sys/socket.h> |
| 355 |
], [socklen_t len = 42; return 0;], |
| 356 |
ac_cv_type_socklen_t=yes, ac_cv_type_socklen_t=no, |
| 357 |
dnl When cross-compiling, do not assume anything. |
| 358 |
ac_cv_type_socklen_t="guessing no" |
| 359 |
) |
| 360 |
]) |
| 361 |
if [[ "x$ac_cv_type_socklen_t" != "xyes" ]]; then |
| 362 |
AC_DEFINE(socklen_t, int, [Define to 'int' if <sys/types.h> doesn't define.]) |
| 363 |
fi |
| 364 |
|
| 365 |
dnl Checks for library functions. |
| 366 |
AC_CHECK_FUNCS(strdup strerror cfmakeraw) |
| 367 |
AC_CHECK_FUNCS(clock_gettime timer_create) |
| 368 |
AC_CHECK_FUNCS(sigaction signal) |
| 369 |
AC_CHECK_FUNCS(mmap mprotect munmap) |
| 370 |
AC_CHECK_FUNCS(vm_allocate vm_deallocate vm_protect) |
| 371 |
AC_CHECK_FUNCS(poll inet_aton) |
| 372 |
|
| 373 |
dnl Darwin seems to define mach_task_self() instead of task_self(). |
| 374 |
AC_CHECK_FUNCS(mach_task_self task_self) |
| 375 |
|
| 376 |
dnl Check for headers and functions related to pty support (sshpty.c) |
| 377 |
dnl From openssh-3.2.2p1 configure.ac |
| 378 |
|
| 379 |
AC_CHECK_HEADERS(strings.h login.h sys/bsdtty.h sys/stat.h util.h pty.h) |
| 380 |
AC_CHECK_FUNCS(_getpty vhangup strlcpy) |
| 381 |
|
| 382 |
case "$host" in |
| 383 |
*-*-hpux10.26) |
| 384 |
disable_ptmx_check=yes |
| 385 |
;; |
| 386 |
*-*-linux*) |
| 387 |
no_dev_ptmx=1 |
| 388 |
;; |
| 389 |
mips-sony-bsd|mips-sony-newsos4) |
| 390 |
AC_DEFINE(HAVE_NEWS4, 1, [Define if you are on NEWS-OS (additions from openssh-3.2.2p1, for sshpty.c).]) |
| 391 |
;; |
| 392 |
*-*-sco3.2v4*) |
| 393 |
no_dev_ptmx=1 |
| 394 |
;; |
| 395 |
*-*-sco3.2v5*) |
| 396 |
no_dev_ptmx=1 |
| 397 |
;; |
| 398 |
*-*-cygwin*) |
| 399 |
no_dev_ptmx=1 |
| 400 |
;; |
| 401 |
esac |
| 402 |
|
| 403 |
if test -z "$no_dev_ptmx" ; then |
| 404 |
if test "x$disable_ptmx_check" != "xyes" ; then |
| 405 |
AC_CHECK_FILE([/dev/ptmx], |
| 406 |
[ |
| 407 |
AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX, 1, [Define if you have /dev/ptmx.]) |
| 408 |
have_dev_ptmx=1 |
| 409 |
] |
| 410 |
) |
| 411 |
fi |
| 412 |
fi |
| 413 |
AC_CHECK_FILE([/dev/ptc], |
| 414 |
[ |
| 415 |
AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC, 1, [Define if you have /dev/ptc.]) |
| 416 |
have_dev_ptc=1 |
| 417 |
] |
| 418 |
) |
| 419 |
|
| 420 |
dnl (end of code from openssh-3.2.2p1 configure.ac) |
| 421 |
|
| 422 |
|
| 423 |
dnl AC_CHECK_FRAMEWORK($1=NAME, $2=INCLUDES) |
| 424 |
AC_DEFUN([AC_CHECK_FRAMEWORK], [ |
| 425 |
AS_VAR_PUSHDEF([ac_Framework], [ac_cv_framework_$1])dnl |
| 426 |
AC_CACHE_CHECK([whether compiler supports framework $1], |
| 427 |
ac_Framework, [ |
| 428 |
saved_LIBS="$LIBS" |
| 429 |
LIBS="$LIBS -framework $1" |
| 430 |
AC_TRY_LINK( |
| 431 |
[$2], [int main(void) { return 0; }], |
| 432 |
[AS_VAR_SET(ac_Framework, yes)], [AS_VAR_SET(ac_Framework, no); LIBS="$saved_LIBS"] |
| 433 |
) |
| 434 |
]) |
| 435 |
AS_IF([test AS_VAR_GET(ac_Framework) = yes], |
| 436 |
[AC_DEFINE(AS_TR_CPP(HAVE_FRAMEWORK_$1), 1, [Define if framework $1 is available.])] |
| 437 |
) |
| 438 |
AS_VAR_POPDEF([ac_Framework])dnl |
| 439 |
]) |
| 440 |
|
| 441 |
dnl Check for some MacOS X frameworks |
| 442 |
AC_CHECK_FRAMEWORK(Carbon, [#include <Carbon/Carbon.h>]) |
| 443 |
AC_CHECK_FRAMEWORK(IOKit, [#include <IOKit/IOKitLib.h>]) |
| 444 |
AC_CHECK_FRAMEWORK(CoreFoundation, [#include <CoreFoundation/CoreFoundation.h>]) |
| 445 |
|
| 446 |
dnl Select system-dependant source files. |
| 447 |
SERIALSRC=serial_unix.cpp |
| 448 |
ETHERSRC=../dummy/ether_dummy.cpp |
| 449 |
SCSISRC=../dummy/scsi_dummy.cpp |
| 450 |
AUDIOSRC=../dummy/audio_dummy.cpp |
| 451 |
EXTFSSRC=extfs_unix.cpp |
| 452 |
EXTRASYSSRCS= |
| 453 |
CAN_NATIVE_M68K=no |
| 454 |
case "$target_os" in |
| 455 |
linux*) |
| 456 |
ETHERSRC=ether_unix.cpp |
| 457 |
AUDIOSRC=audio_oss_esd.cpp |
| 458 |
SCSISRC=Linux/scsi_linux.cpp |
| 459 |
;; |
| 460 |
freebsd*) |
| 461 |
ETHERSRC=ether_unix.cpp |
| 462 |
AUDIOSRC=audio_oss_esd.cpp |
| 463 |
DEFINES="$DEFINES -DBSD_COMP" |
| 464 |
CXXFLAGS="$CXXFLAGS -fpermissive" |
| 465 |
dnl Check for the CAM library |
| 466 |
AC_CHECK_LIB(cam, cam_open_btl, HAVE_LIBCAM=yes, HAVE_LIBCAM=no) |
| 467 |
if [[ "x$HAVE_LIBCAM" = "xno" ]]; then |
| 468 |
AC_MSG_WARN([Cannot find libcam for SCSI management, disabling SCSI support.]) |
| 469 |
else |
| 470 |
dnl Check for the sys kernel includes |
| 471 |
AC_CHECK_HEADER(camlib.h) |
| 472 |
if [[ "x$ac_cv_header_camlib_h" = "xno" ]]; then |
| 473 |
dnl In this case I should fix this thing including a "patch" |
| 474 |
dnl to access directly to the functions in the kernel :) --Orlando |
| 475 |
AC_MSG_WARN([Cannot find includes for CAM library, disabling SCSI support.]) |
| 476 |
else |
| 477 |
SCSISRC=FreeBSD/scsi_freebsd.cpp |
| 478 |
LIBS="$LIBS -lcam" |
| 479 |
DEFINES="$DEFINES -DCAM" |
| 480 |
fi |
| 481 |
fi |
| 482 |
;; |
| 483 |
netbsd*) |
| 484 |
CAN_NATIVE_M68K=yes |
| 485 |
ETHERSRC=ether_unix.cpp |
| 486 |
;; |
| 487 |
solaris*) |
| 488 |
AUDIOSRC=Solaris/audio_solaris.cpp |
| 489 |
DEFINES="$DEFINES -DBSD_COMP -D_POSIX_PTHREAD_SEMANTICS" |
| 490 |
;; |
| 491 |
irix*) |
| 492 |
ETHERSRC=ether_unix.cpp |
| 493 |
AUDIOSRC=Irix/audio_irix.cpp |
| 494 |
EXTRASYSSRCS=Irix/unaligned.c |
| 495 |
dnl IRIX headers work fine, but somehow don't define or use "STDC_HEADERS" |
| 496 |
DEFINES="$DEFINES -DCRTSCTS=CNEW_RTSCTS -DB230400=B115200 -DSTDC_HEADERS" |
| 497 |
LIBS="$LIBS -laudio" |
| 498 |
WANT_ESD=no |
| 499 |
|
| 500 |
dnl Check if our compiler supports -IPA (MIPSPro) |
| 501 |
HAVE_IPA=no |
| 502 |
ocflags="$CFLAGS" |
| 503 |
CFLAGS=`echo "$CFLAGS -IPA" | sed -e "s/-g//g"` |
| 504 |
AC_MSG_CHECKING(if "-IPA" works) |
| 505 |
dnl Do a test compile of an empty function |
| 506 |
AC_TRY_COMPILE(,, [AC_MSG_RESULT(yes); HAVE_IPA=yes], AC_MSG_RESULT(no)) |
| 507 |
CFLAGS="$ocflags" |
| 508 |
;; |
| 509 |
darwin*) |
| 510 |
ETHERSRC=ether_unix.cpp |
| 511 |
if [[ "x$ac_cv_framework_IOKit" = "xyes" -a "x$ac_cv_framework_CoreFoundation" = "xyes" ]]; then |
| 512 |
EXTRASYSSRCS="../MacOSX/sys_darwin.cpp" |
| 513 |
fi |
| 514 |
if [[ "x$ac_cv_framework_Carbon" = "xyes" ]]; then |
| 515 |
EXTFSSRC=../MacOSX/extfs_macosx.mm |
| 516 |
fi |
| 517 |
;; |
| 518 |
cygwin*) |
| 519 |
SERIALSRC="../dummy/serial_dummy.cpp" |
| 520 |
EXTRASYSSRCS="../Windows/BasiliskII.rc" |
| 521 |
;; |
| 522 |
esac |
| 523 |
|
| 524 |
dnl Is the slirp library supported? |
| 525 |
if [[ "x$ETHERSRC" = "xether_unix.cpp" ]]; then |
| 526 |
AC_DEFINE(HAVE_SLIRP, 1, [Define if slirp library is supported]) |
| 527 |
SLIRP_SRCS="\ |
| 528 |
../slirp/bootp.c ../slirp/ip_output.c ../slirp/tcp_input.c \ |
| 529 |
../slirp/cksum.c ../slirp/mbuf.c ../slirp/tcp_output.c \ |
| 530 |
../slirp/debug.c ../slirp/misc.c ../slirp/tcp_subr.c \ |
| 531 |
../slirp/if.c ../slirp/sbuf.c ../slirp/tcp_timer.c \ |
| 532 |
../slirp/ip_icmp.c ../slirp/slirp.c ../slirp/tftp.c \ |
| 533 |
../slirp/ip_input.c ../slirp/socket.c ../slirp/udp.c" |
| 534 |
fi |
| 535 |
AC_SUBST(SLIRP_SRCS) |
| 536 |
|
| 537 |
dnl SDL overrides |
| 538 |
if [[ "x$WANT_SDL" = "xyes" ]]; then |
| 539 |
AC_DEFINE(USE_SDL, 1, [Define to enble SDL support]) |
| 540 |
fi |
| 541 |
if [[ "x$WANT_SDL_VIDEO" = "xyes" ]]; then |
| 542 |
AC_DEFINE(USE_SDL_VIDEO, 1, [Define to enable SDL video graphics support]) |
| 543 |
VIDEOSRCS="../SDL/video_sdl.cpp" |
| 544 |
KEYCODES="../SDL/keycodes" |
| 545 |
if [[ "x$ac_cv_framework_Carbon" = "xyes" ]]; then |
| 546 |
EXTRASYSSRCS="$EXTRASYSSRCS ../MacOSX/clip_macosx.cpp" |
| 547 |
else |
| 548 |
case "$target_os" in |
| 549 |
cygwin*) |
| 550 |
EXTRASYSSRCS="$EXTRASYSSRCS ../Windows/clip_windows.cpp" |
| 551 |
;; |
| 552 |
*) |
| 553 |
EXTRASYSSRCS="$EXTRASYSSRCS ../dummy/clip_dummy.cpp" |
| 554 |
;; |
| 555 |
esac |
| 556 |
fi |
| 557 |
else |
| 558 |
VIDEOSRCS="video_x.cpp" |
| 559 |
KEYCODES="keycodes" |
| 560 |
EXTRASYSSRCS="$EXTRASYSSRCS clip_unix.cpp" |
| 561 |
fi |
| 562 |
if [[ "x$WANT_SDL_AUDIO" = "xyes" ]]; then |
| 563 |
AC_DEFINE(USE_SDL_AUDIO, 1, [Define to enable SDL audio support]) |
| 564 |
AUDIOSRC="../SDL/audio_sdl.cpp" |
| 565 |
fi |
| 566 |
|
| 567 |
dnl Use 68k CPU natively? |
| 568 |
WANT_NATIVE_M68K=no |
| 569 |
if [[ "x$HAVE_M68K" = "xyes" -a "x$CAN_NATIVE_M68K" = "xyes" ]]; then |
| 570 |
AC_DEFINE(ENABLE_NATIVE_M68K, 1, [Define if using native 68k mode.]) |
| 571 |
WANT_NATIVE_M68K=yes |
| 572 |
fi |
| 573 |
|
| 574 |
if [[ "x$HAVE_PTHREADS" = "xno" ]]; then |
| 575 |
dnl Serial, ethernet and audio support needs pthreads |
| 576 |
AC_MSG_WARN([You don't have pthreads, disabling serial, ethernet and audio support.]) |
| 577 |
SERIALSRC=../dummy/serial_dummy.cpp |
| 578 |
ETHERSRC=../dummy/ether_dummy.cpp |
| 579 |
AUDIOSRC=../dummy/audio_dummy.cpp |
| 580 |
fi |
| 581 |
SYSSRCS="$VIDEOSRCS $EXTFSSRC $SERIALSRC $ETHERSRC $SCSISRC $AUDIOSRC $SEMSRC $UISRCS $MONSRCS $EXTRASYSSRCS" |
| 582 |
|
| 583 |
dnl Define a macro that translates a yesno-variable into a C macro definition |
| 584 |
dnl to be put into the config.h file |
| 585 |
dnl $1 -- the macro to define |
| 586 |
dnl $2 -- the value to translate |
| 587 |
dnl $3 -- template name |
| 588 |
AC_DEFUN([AC_TRANSLATE_DEFINE], [ |
| 589 |
if [[ "x$2" = "xyes" -o "x$2" = "xguessing yes" ]]; then |
| 590 |
AC_DEFINE($1, 1, $3) |
| 591 |
fi |
| 592 |
]) |
| 593 |
|
| 594 |
dnl Check that the host supports TUN/TAP devices |
| 595 |
AC_CACHE_CHECK([whether TUN/TAP is supported], |
| 596 |
ac_cv_tun_tap_support, [ |
| 597 |
AC_TRY_COMPILE([ |
| 598 |
#if defined(HAVE_LINUX_IF_H) && defined(HAVE_LINUX_IF_TUN_H) |
| 599 |
#include <linux/if.h> |
| 600 |
#include <linux/if_tun.h> |
| 601 |
#endif |
| 602 |
#if defined(HAVE_NET_IF_H) && defined(HAVE_NET_IF_TUN_H) |
| 603 |
#include <net/if.h> |
| 604 |
#include <net/if_tun.h> |
| 605 |
#endif |
| 606 |
], [ |
| 607 |
struct ifreq ifr; |
| 608 |
memset(&ifr, 0, sizeof(ifr)); |
| 609 |
ifr.ifr_flags = IFF_TAP | IFF_NO_PI; |
| 610 |
], |
| 611 |
ac_cv_tun_tap_support=yes, ac_cv_tun_tap_support=no |
| 612 |
) |
| 613 |
]) |
| 614 |
AC_TRANSLATE_DEFINE(ENABLE_TUNTAP, "$ac_cv_tun_tap_support", |
| 615 |
[Define if your system supports TUN/TAP devices.]) |
| 616 |
|
| 617 |
dnl Various checks if the system supports vm_allocate() and the like functions. |
| 618 |
have_mach_vm=no |
| 619 |
if [[ "x$ac_cv_func_vm_allocate" = "xyes" -a "x$ac_cv_func_vm_deallocate" = "xyes" -a \ |
| 620 |
"x$ac_cv_func_vm_protect" = "xyes" ]]; then |
| 621 |
have_mach_vm=yes |
| 622 |
fi |
| 623 |
AC_TRANSLATE_DEFINE(HAVE_MACH_VM, "$have_mach_vm", |
| 624 |
[Define if your system has a working vm_allocate()-based memory allocator.]) |
| 625 |
|
| 626 |
dnl Check that vm_allocate(), vm_protect() work |
| 627 |
if [[ "x$have_mach_vm" = "xyes" ]]; then |
| 628 |
|
| 629 |
AC_CACHE_CHECK([whether vm_protect works], |
| 630 |
ac_cv_vm_protect_works, [ |
| 631 |
AC_LANG_SAVE |
| 632 |
AC_LANG_CPLUSPLUS |
| 633 |
ac_cv_vm_protect_works=yes |
| 634 |
dnl First the tests that should segfault |
| 635 |
for test_def in NONE_READ NONE_WRITE READ_WRITE; do |
| 636 |
AC_TRY_RUN([ |
| 637 |
#define CONFIGURE_TEST_VM_MAP |
| 638 |
#define TEST_VM_PROT_$test_def |
| 639 |
#include "vm_alloc.cpp" |
| 640 |
], ac_cv_vm_protect_works=no, rm -f core, |
| 641 |
dnl When cross-compiling, do not assume anything |
| 642 |
ac_cv_vm_protect_works="guessing no" |
| 643 |
) |
| 644 |
done |
| 645 |
AC_TRY_RUN([ |
| 646 |
#define CONFIGURE_TEST_VM_MAP |
| 647 |
#define TEST_VM_PROT_RDWR_WRITE |
| 648 |
#include "vm_alloc.cpp" |
| 649 |
], , ac_cv_vm_protect_works=no, |
| 650 |
dnl When cross-compiling, do not assume anything |
| 651 |
ac_cv_vm_protect_works="guessing no" |
| 652 |
) |
| 653 |
AC_LANG_RESTORE |
| 654 |
] |
| 655 |
) |
| 656 |
|
| 657 |
dnl Remove support for vm_allocate() if vm_protect() does not work |
| 658 |
if [[ "x$have_mach_vm" = "xyes" ]]; then |
| 659 |
case $ac_cv_vm_protect_works in |
| 660 |
*yes) have_mach_vm=yes;; |
| 661 |
*no) have_mach_vm=no;; |
| 662 |
esac |
| 663 |
fi |
| 664 |
AC_TRANSLATE_DEFINE(HAVE_MACH_VM, "$have_mach_vm", |
| 665 |
[Define if your system has a working vm_allocate()-based memory allocator.]) |
| 666 |
|
| 667 |
fi dnl HAVE_MACH_VM |
| 668 |
|
| 669 |
dnl Various checks if the system supports mmap() and the like functions. |
| 670 |
dnl ... and Mach memory allocators are not supported |
| 671 |
have_mmap_vm=no |
| 672 |
if [[ "x$ac_cv_func_mmap" = "xyes" -a "x$ac_cv_func_munmap" = "xyes" -a \ |
| 673 |
"x$ac_cv_func_mprotect" = "xyes" ]]; then |
| 674 |
if [[ "x$have_mach_vm" = "xno" ]]; then |
| 675 |
have_mmap_vm=yes |
| 676 |
fi |
| 677 |
fi |
| 678 |
AC_TRANSLATE_DEFINE(HAVE_MMAP_VM, "$have_mmap_vm", |
| 679 |
[Define if your system has a working mmap()-based memory allocator.]) |
| 680 |
|
| 681 |
dnl Check that mmap() and associated functions work. |
| 682 |
if [[ "x$have_mmap_vm" = "xyes" ]]; then |
| 683 |
|
| 684 |
dnl Check if we have a working anonymous mmap() |
| 685 |
AC_CACHE_CHECK([whether mmap supports MAP_ANON], |
| 686 |
ac_cv_mmap_anon, [ |
| 687 |
AC_LANG_SAVE |
| 688 |
AC_LANG_CPLUSPLUS |
| 689 |
AC_TRY_RUN([ |
| 690 |
#define HAVE_MMAP_ANON |
| 691 |
#define CONFIGURE_TEST_VM_MAP |
| 692 |
#define TEST_VM_MMAP_ANON |
| 693 |
#include "vm_alloc.cpp" |
| 694 |
], ac_cv_mmap_anon=yes, ac_cv_mmap_anon=no, |
| 695 |
dnl When cross-compiling, do not assume anything. |
| 696 |
ac_cv_mmap_anon="guessing no" |
| 697 |
) |
| 698 |
AC_LANG_RESTORE |
| 699 |
] |
| 700 |
) |
| 701 |
AC_TRANSLATE_DEFINE(HAVE_MMAP_ANON, "$ac_cv_mmap_anon", |
| 702 |
[Define if <sys/mman.h> defines MAP_ANON and mmap()'ing with MAP_ANON works.]) |
| 703 |
|
| 704 |
AC_CACHE_CHECK([whether mmap supports MAP_ANONYMOUS], |
| 705 |
ac_cv_mmap_anonymous, [ |
| 706 |
AC_LANG_SAVE |
| 707 |
AC_LANG_CPLUSPLUS |
| 708 |
AC_TRY_RUN([ |
| 709 |
#define HAVE_MMAP_ANONYMOUS |
| 710 |
#define CONFIGURE_TEST_VM_MAP |
| 711 |
#define TEST_VM_MMAP_ANON |
| 712 |
#include "vm_alloc.cpp" |
| 713 |
], ac_cv_mmap_anonymous=yes, ac_cv_mmap_anonymous=no, |
| 714 |
dnl When cross-compiling, do not assume anything. |
| 715 |
ac_cv_mmap_anonymous="guessing no" |
| 716 |
) |
| 717 |
AC_LANG_RESTORE |
| 718 |
] |
| 719 |
) |
| 720 |
AC_TRANSLATE_DEFINE(HAVE_MMAP_ANONYMOUS, "$ac_cv_mmap_anonymous", |
| 721 |
[Define if <sys/mman.h> defines MAP_ANONYMOUS and mmap()'ing with MAP_ANONYMOUS works.]) |
| 722 |
|
| 723 |
AC_CACHE_CHECK([whether mprotect works], |
| 724 |
ac_cv_mprotect_works, [ |
| 725 |
AC_LANG_SAVE |
| 726 |
AC_LANG_CPLUSPLUS |
| 727 |
ac_cv_mprotect_works=yes |
| 728 |
dnl First the tests that should segfault |
| 729 |
for test_def in NONE_READ NONE_WRITE READ_WRITE; do |
| 730 |
AC_TRY_RUN([ |
| 731 |
#define CONFIGURE_TEST_VM_MAP |
| 732 |
#define TEST_VM_PROT_$test_def |
| 733 |
#include "vm_alloc.cpp" |
| 734 |
], ac_cv_mprotect_works=no, rm -f core, |
| 735 |
dnl When cross-compiling, do not assume anything |
| 736 |
ac_cv_mprotect_works="guessing no" |
| 737 |
) |
| 738 |
done |
| 739 |
AC_TRY_RUN([ |
| 740 |
#define CONFIGURE_TEST_VM_MAP |
| 741 |
#define TEST_VM_PROT_RDWR_WRITE |
| 742 |
#include "vm_alloc.cpp" |
| 743 |
], , ac_cv_mprotect_works=no, |
| 744 |
dnl When cross-compiling, do not assume anything |
| 745 |
ac_cv_mprotect_works="guessing no" |
| 746 |
) |
| 747 |
AC_LANG_RESTORE |
| 748 |
] |
| 749 |
) |
| 750 |
|
| 751 |
dnl Remove support for mmap() if mprotect() does not work |
| 752 |
if [[ "x$have_mmap_vm" = "xyes" ]]; then |
| 753 |
case $ac_cv_mprotect_works in |
| 754 |
*yes) have_mmap_vm=yes;; |
| 755 |
*no) have_mmap_vm=no;; |
| 756 |
esac |
| 757 |
fi |
| 758 |
AC_TRANSLATE_DEFINE(HAVE_MMAP_VM, $have_mmap_vm, |
| 759 |
[Define if your system has a working mmap()-based memory allocator.]) |
| 760 |
|
| 761 |
fi dnl HAVE_MMAP_VM |
| 762 |
|
| 763 |
dnl Check if we can modify the __PAGEZERO segment for use as Low Memory |
| 764 |
AC_CACHE_CHECK([whether __PAGEZERO can be Low Memory area 0x0000-0x2000], |
| 765 |
ac_cv_pagezero_hack, [ |
| 766 |
ac_cv_pagezero_hack=no |
| 767 |
if AC_TRY_COMMAND([Darwin/testlmem.sh 0x2000]); then |
| 768 |
ac_cv_pagezero_hack=yes |
| 769 |
dnl might as well skip the test for mmap-able low memory |
| 770 |
ac_cv_can_map_lm=no |
| 771 |
fi |
| 772 |
]) |
| 773 |
AC_TRANSLATE_DEFINE(PAGEZERO_HACK, "$ac_cv_pagezero_hack", |
| 774 |
[Define if the __PAGEZERO Mach-O Low Memory Globals hack works on this system.]) |
| 775 |
|
| 776 |
dnl Check if we can mmap 0x2000 bytes from 0x0000 |
| 777 |
AC_CACHE_CHECK([whether we can map Low Memory area 0x0000-0x2000], |
| 778 |
ac_cv_can_map_lm, [ |
| 779 |
AC_LANG_SAVE |
| 780 |
AC_LANG_CPLUSPLUS |
| 781 |
AC_TRY_RUN([ |
| 782 |
#include "vm_alloc.cpp" |
| 783 |
int main(void) { /* returns 0 if we could map the lowmem globals */ |
| 784 |
volatile char * lm = 0; |
| 785 |
if (vm_init() < 0) exit(1); |
| 786 |
if (vm_acquire_fixed(0, 0x2000) < 0) exit(1); |
| 787 |
lm[0] = 'z'; |
| 788 |
if (vm_release((char *)lm, 0x2000) < 0) exit(1); |
| 789 |
vm_exit(); exit(0); |
| 790 |
} |
| 791 |
], ac_cv_can_map_lm=yes, ac_cv_can_map_lm=no, |
| 792 |
dnl When cross-compiling, do not assume anything. |
| 793 |
ac_cv_can_map_lm="guessing no" |
| 794 |
) |
| 795 |
AC_LANG_RESTORE |
| 796 |
] |
| 797 |
) |
| 798 |
|
| 799 |
dnl Check if we have POSIX shared memory support |
| 800 |
AC_CACHE_CHECK([whether POSIX shared memory is working], |
| 801 |
ac_cv_have_posix_shm, [ |
| 802 |
AC_LANG_SAVE |
| 803 |
AC_LANG_CPLUSPLUS |
| 804 |
AC_TRY_RUN([ |
| 805 |
#define HAVE_POSIX_SHM |
| 806 |
#include "vm_alloc.cpp" |
| 807 |
int main(void) { /* returns 0 if we have working POSIX shm */ |
| 808 |
if (vm_init() < 0) exit(2); |
| 809 |
char *m1 = (char *)vm_acquire(32768, VM_MAP_DEFAULT | VM_MAP_33BIT); |
| 810 |
if (m1 == VM_MAP_FAILED) exit(3); |
| 811 |
vm_exit(); exit(0); |
| 812 |
} |
| 813 |
], ac_cv_have_posix_shm=yes, ac_cv_have_posix_shm=no, |
| 814 |
dnl When cross-compiling, do not assume anything. |
| 815 |
ac_cv_have_posix_shm="guessing no" |
| 816 |
) |
| 817 |
AC_LANG_RESTORE |
| 818 |
] |
| 819 |
) |
| 820 |
AC_TRANSLATE_DEFINE(HAVE_POSIX_SHM, "$ac_cv_have_posix_shm", |
| 821 |
[Define if your system supports POSIX shared memory.]) |
| 822 |
|
| 823 |
dnl Check if we have working 33-bit memory addressing |
| 824 |
AC_CACHE_CHECK([whether 33-bit memory addressing is working], |
| 825 |
ac_cv_have_33bit_addressing, [ |
| 826 |
AC_LANG_SAVE |
| 827 |
AC_LANG_CPLUSPLUS |
| 828 |
AC_TRY_RUN([ |
| 829 |
#define USE_33BIT_ADDRESSING 1 |
| 830 |
#include "vm_alloc.cpp" |
| 831 |
int main(void) { /* returns 0 if we have working 33-bit addressing */ |
| 832 |
if (sizeof(void *) < 8) exit(1); |
| 833 |
if (vm_init() < 0) exit(2); |
| 834 |
char *m1 = (char *)vm_acquire(32768, VM_MAP_DEFAULT | VM_MAP_33BIT); |
| 835 |
if (m1 == VM_MAP_FAILED) exit(3); |
| 836 |
char *m2 = m1 + (1L << 32); |
| 837 |
m1[0] = 0x12; if (m2[0] != 0x12) exit(4); |
| 838 |
m2[0] = 0x34; if (m1[0] != 0x34) exit(5); |
| 839 |
vm_exit(); exit(0); |
| 840 |
} |
| 841 |
], ac_cv_have_33bit_addressing=yes, ac_cv_have_33bit_addressing=no, |
| 842 |
dnl When cross-compiling, do not assume anything. |
| 843 |
ac_cv_have_33bit_addressing="guessing no" |
| 844 |
) |
| 845 |
AC_LANG_RESTORE |
| 846 |
] |
| 847 |
) |
| 848 |
|
| 849 |
dnl Check signal handlers need to be reinstalled |
| 850 |
AC_CACHE_CHECK([whether signal handlers need to be reinstalled], |
| 851 |
ac_cv_signal_need_reinstall, [ |
| 852 |
AC_LANG_SAVE |
| 853 |
AC_LANG_CPLUSPLUS |
| 854 |
AC_TRY_RUN([ |
| 855 |
#include <stdlib.h> |
| 856 |
#ifdef HAVE_UNISTD_H |
| 857 |
#include <unistd.h> |
| 858 |
#endif |
| 859 |
#include <signal.h> |
| 860 |
static int handled_signal = 0; |
| 861 |
RETSIGTYPE sigusr1_handler(int) { handled_signal++; } |
| 862 |
int main(void) { /* returns 0 if signals need not to be reinstalled */ |
| 863 |
signal(SIGUSR1, sigusr1_handler); raise(SIGUSR1); raise(SIGUSR1); |
| 864 |
exit(handled_signal == 2); |
| 865 |
} |
| 866 |
], ac_cv_signal_need_reinstall=yes, ac_cv_signal_need_reinstall=no, |
| 867 |
dnl When cross-compiling, do not assume anything. |
| 868 |
ac_cv_signal_need_reinstall="guessing yes" |
| 869 |
) |
| 870 |
AC_LANG_RESTORE |
| 871 |
] |
| 872 |
) |
| 873 |
AC_TRANSLATE_DEFINE(SIGNAL_NEED_REINSTALL, "$ac_cv_signal_need_reinstall", |
| 874 |
[Define if your system requires signals to be reinstalled.]) |
| 875 |
|
| 876 |
dnl Check if sigaction handlers need to be reinstalled |
| 877 |
AC_CACHE_CHECK([whether sigaction handlers need to be reinstalled], |
| 878 |
ac_cv_sigaction_need_reinstall, [ |
| 879 |
AC_LANG_SAVE |
| 880 |
AC_LANG_CPLUSPLUS |
| 881 |
AC_TRY_RUN([ |
| 882 |
#include <stdlib.h> |
| 883 |
#ifdef HAVE_UNISTD_H |
| 884 |
#include <unistd.h> |
| 885 |
#endif |
| 886 |
#include <signal.h> |
| 887 |
static int handled_signal = 0; |
| 888 |
RETSIGTYPE sigusr1_handler(int) { handled_signal++; } |
| 889 |
typedef RETSIGTYPE (*signal_handler)(int); |
| 890 |
static signal_handler mysignal(int sig, signal_handler handler) { |
| 891 |
struct sigaction old_sa; |
| 892 |
struct sigaction new_sa; |
| 893 |
new_sa.sa_handler = handler; |
| 894 |
return ((sigaction(sig,&new_sa,&old_sa) < 0) ? SIG_IGN : old_sa.sa_handler); |
| 895 |
} |
| 896 |
int main(void) { /* returns 0 if signals need not to be reinstalled */ |
| 897 |
mysignal(SIGUSR1, sigusr1_handler); raise(SIGUSR1); raise(SIGUSR1); |
| 898 |
exit(handled_signal == 2); |
| 899 |
} |
| 900 |
], ac_cv_sigaction_need_reinstall=yes, ac_cv_sigaction_need_reinstall=no, |
| 901 |
dnl When cross-compiling, do not assume anything. |
| 902 |
ac_cv_sigaction_need_reinstall="guessing yes" |
| 903 |
) |
| 904 |
AC_LANG_RESTORE |
| 905 |
] |
| 906 |
) |
| 907 |
AC_TRANSLATE_DEFINE(SIGACTION_NEED_REINSTALL, "$ac_cv_sigaction_need_reinstall", |
| 908 |
[Define if your system requires sigactions to be reinstalled.]) |
| 909 |
|
| 910 |
dnl Check if Mach exceptions supported. |
| 911 |
AC_CACHE_CHECK([whether your system supports Mach exceptions], |
| 912 |
ac_cv_have_mach_exceptions, [ |
| 913 |
AC_LANG_SAVE |
| 914 |
AC_LANG_CPLUSPLUS |
| 915 |
AC_TRY_RUN([ |
| 916 |
#define HAVE_MACH_EXCEPTIONS 1 |
| 917 |
#define CONFIGURE_TEST_SIGSEGV_RECOVERY |
| 918 |
#include "vm_alloc.cpp" |
| 919 |
#include "sigsegv.cpp" |
| 920 |
], [ |
| 921 |
sigsegv_recovery=mach |
| 922 |
ac_cv_have_mach_exceptions=yes |
| 923 |
], |
| 924 |
ac_cv_have_mach_exceptions=no, |
| 925 |
dnl When cross-compiling, do not assume anything. |
| 926 |
ac_cv_have_mach_exceptions=no |
| 927 |
) |
| 928 |
AC_LANG_RESTORE |
| 929 |
] |
| 930 |
) |
| 931 |
AC_TRANSLATE_DEFINE(HAVE_MACH_EXCEPTIONS, "$ac_cv_have_mach_exceptions", |
| 932 |
[Define if your system supports Mach exceptions.]) |
| 933 |
|
| 934 |
dnl Check if Windows exceptions are supported. |
| 935 |
AC_CACHE_CHECK([whether your system supports Windows exceptions], |
| 936 |
ac_cv_have_win32_exceptions, [ |
| 937 |
AC_LANG_SAVE |
| 938 |
AC_LANG_CPLUSPLUS |
| 939 |
AC_TRY_RUN([ |
| 940 |
#define HAVE_WIN32_EXCEPTIONS 1 |
| 941 |
#define CONFIGURE_TEST_SIGSEGV_RECOVERY |
| 942 |
#include "vm_alloc.cpp" |
| 943 |
#include "sigsegv.cpp" |
| 944 |
], [ |
| 945 |
sigsegv_recovery=win32 |
| 946 |
ac_cv_have_win32_exceptions=yes |
| 947 |
], |
| 948 |
ac_cv_have_win32_exceptions=no, |
| 949 |
dnl When cross-compiling, do not assume anything. |
| 950 |
ac_cv_have_win32_exceptions=no |
| 951 |
) |
| 952 |
AC_LANG_RESTORE |
| 953 |
] |
| 954 |
) |
| 955 |
AC_TRANSLATE_DEFINE(HAVE_WIN32_EXCEPTIONS, "$ac_cv_have_win32_exceptions", |
| 956 |
[Define if your system supports Windows exceptions.]) |
| 957 |
|
| 958 |
dnl Otherwise, check if extended signals are supported. |
| 959 |
if [[ -z "$sigsegv_recovery" ]]; then |
| 960 |
AC_CACHE_CHECK([whether your system supports extended signal handlers], |
| 961 |
ac_cv_have_extended_signals, [ |
| 962 |
AC_LANG_SAVE |
| 963 |
AC_LANG_CPLUSPLUS |
| 964 |
AC_TRY_RUN([ |
| 965 |
#define HAVE_SIGINFO_T 1 |
| 966 |
#define CONFIGURE_TEST_SIGSEGV_RECOVERY |
| 967 |
#include "vm_alloc.cpp" |
| 968 |
#include "sigsegv.cpp" |
| 969 |
], [ |
| 970 |
sigsegv_recovery=siginfo |
| 971 |
ac_cv_have_extended_signals=yes |
| 972 |
], |
| 973 |
ac_cv_have_extended_signals=no, |
| 974 |
dnl When cross-compiling, do not assume anything. |
| 975 |
ac_cv_have_extended_signals=no |
| 976 |
) |
| 977 |
AC_LANG_RESTORE |
| 978 |
] |
| 979 |
) |
| 980 |
AC_TRANSLATE_DEFINE(HAVE_SIGINFO_T, "$ac_cv_have_extended_signals", |
| 981 |
[Define if your system support extended signals.]) |
| 982 |
fi |
| 983 |
|
| 984 |
dnl Otherwise, check for subterfuges. |
| 985 |
if [[ -z "$sigsegv_recovery" ]]; then |
| 986 |
AC_CACHE_CHECK([whether we then have a subterfuge for your system], |
| 987 |
ac_cv_have_sigcontext_hack, [ |
| 988 |
AC_LANG_SAVE |
| 989 |
AC_LANG_CPLUSPLUS |
| 990 |
AC_TRY_RUN([ |
| 991 |
#define HAVE_SIGCONTEXT_SUBTERFUGE 1 |
| 992 |
#define CONFIGURE_TEST_SIGSEGV_RECOVERY |
| 993 |
#include "vm_alloc.cpp" |
| 994 |
#include "sigsegv.cpp" |
| 995 |
], [ |
| 996 |
sigsegv_recovery=sigcontext |
| 997 |
ac_cv_have_sigcontext_hack=yes |
| 998 |
], |
| 999 |
ac_cv_have_sigcontext_hack=no, |
| 1000 |
dnl When cross-compiling, do not assume anything. |
| 1001 |
ac_cv_have_sigcontext_hack=no |
| 1002 |
) |
| 1003 |
AC_LANG_RESTORE |
| 1004 |
]) |
| 1005 |
AC_TRANSLATE_DEFINE(HAVE_SIGCONTEXT_SUBTERFUGE, "$ac_cv_have_sigcontext_hack", |
| 1006 |
[Define if we know a hack to replace siginfo_t->si_addr member.]) |
| 1007 |
fi |
| 1008 |
|
| 1009 |
dnl Check if we can ignore the fault (instruction skipping in SIGSEGV handler) |
| 1010 |
AC_CACHE_CHECK([whether we can skip instruction in SIGSEGV handler], |
| 1011 |
ac_cv_have_skip_instruction, [ |
| 1012 |
AC_LANG_SAVE |
| 1013 |
AC_LANG_CPLUSPLUS |
| 1014 |
AC_TRY_RUN([ |
| 1015 |
#define HAVE_SIGSEGV_SKIP_INSTRUCTION 1 |
| 1016 |
#define CONFIGURE_TEST_SIGSEGV_RECOVERY |
| 1017 |
#include "vm_alloc.cpp" |
| 1018 |
#include "sigsegv.cpp" |
| 1019 |
], ac_cv_have_skip_instruction=yes, ac_cv_have_skip_instruction=no, |
| 1020 |
dnl When cross-compiling, do not assume anything. |
| 1021 |
ac_cv_have_skip_instruction=no |
| 1022 |
) |
| 1023 |
AC_LANG_RESTORE |
| 1024 |
] |
| 1025 |
) |
| 1026 |
AC_TRANSLATE_DEFINE(HAVE_SIGSEGV_SKIP_INSTRUCTION, "$ac_cv_have_skip_instruction", |
| 1027 |
[Define if we can ignore the fault (instruction skipping in SIGSEGV handler).]) |
| 1028 |
|
| 1029 |
dnl Can we do Video on SEGV Signals ? |
| 1030 |
CAN_VOSF=no |
| 1031 |
if [[ -n "$sigsegv_recovery" ]]; then |
| 1032 |
CAN_VOSF=yes |
| 1033 |
fi |
| 1034 |
|
| 1035 |
dnl A dummy program that returns always true |
| 1036 |
AC_PATH_PROG([BLESS], "true") |
| 1037 |
|
| 1038 |
dnl Determine the addressing mode to use |
| 1039 |
if [[ "x$WANT_NATIVE_M68K" = "xyes" ]]; then |
| 1040 |
ADDRESSING_MODE="real" |
| 1041 |
else |
| 1042 |
ADDRESSING_MODE="" |
| 1043 |
AC_MSG_CHECKING([for the addressing mode to use]) |
| 1044 |
for am in $ADDRESSING_TEST_ORDER; do |
| 1045 |
case $am in |
| 1046 |
real) |
| 1047 |
dnl Requires ability to mmap() Low Memory globals |
| 1048 |
if [[ "x$ac_cv_can_map_lm$ac_cv_pagezero_hack" = "xnono" ]]; then |
| 1049 |
continue |
| 1050 |
fi |
| 1051 |
dnl Requires VOSF screen updates |
| 1052 |
if [[ "x$CAN_VOSF" = "xno" ]]; then |
| 1053 |
continue |
| 1054 |
fi |
| 1055 |
dnl Real addressing will probably work. |
| 1056 |
ADDRESSING_MODE="real" |
| 1057 |
WANT_VOSF=yes dnl we can use VOSF and we need it actually |
| 1058 |
DEFINES="$DEFINES -DREAL_ADDRESSING" |
| 1059 |
if [[ "x$ac_cv_pagezero_hack" = "xyes" ]]; then |
| 1060 |
BLESS=Darwin/lowmem |
| 1061 |
LDFLAGS="$LDFLAGS -pagezero_size 0x2000" |
| 1062 |
fi |
| 1063 |
break |
| 1064 |
;; |
| 1065 |
direct) |
| 1066 |
dnl Requires VOSF screen updates |
| 1067 |
if [[ "x$CAN_VOSF" = "xyes" ]]; then |
| 1068 |
ADDRESSING_MODE="direct" |
| 1069 |
WANT_VOSF=yes dnl we can use VOSF and we need it actually |
| 1070 |
DEFINES="$DEFINES -DDIRECT_ADDRESSING" |
| 1071 |
break |
| 1072 |
fi |
| 1073 |
;; |
| 1074 |
banks) |
| 1075 |
dnl Default addressing mode |
| 1076 |
ADDRESSING_MODE="memory banks" |
| 1077 |
break |
| 1078 |
;; |
| 1079 |
*) |
| 1080 |
AC_MSG_ERROR([Internal configure.in script error for $am addressing mode]) |
| 1081 |
esac |
| 1082 |
done |
| 1083 |
AC_MSG_RESULT($ADDRESSING_MODE) |
| 1084 |
if [[ "x$ADDRESSING_MODE" = "x" ]]; then |
| 1085 |
AC_MSG_WARN([Sorry, no suitable addressing mode in $ADDRESSING_TEST_ORDER]) |
| 1086 |
ADDRESSING_MODE="memory banks" |
| 1087 |
fi |
| 1088 |
fi |
| 1089 |
|
| 1090 |
dnl Banked Memory Addressing mode is not supported by the JIT compiler |
| 1091 |
if [[ "x$WANT_JIT" = "xyes" -a "x$ADDRESSING_MODE" = "xmemory banks" ]]; then |
| 1092 |
AC_MSG_ERROR([Sorry, the JIT Compiler requires Direct Addressing, at least]) |
| 1093 |
fi |
| 1094 |
|
| 1095 |
dnl Enable VOSF screen updates with this feature is requested and feasible |
| 1096 |
if [[ "x$WANT_VOSF" = "xyes" -a "x$CAN_VOSF" = "xyes" ]]; then |
| 1097 |
AC_DEFINE(ENABLE_VOSF, 1, [Define if using video enabled on SEGV signals.]) |
| 1098 |
else |
| 1099 |
WANT_VOSF=no |
| 1100 |
fi |
| 1101 |
|
| 1102 |
dnl Check for GAS. |
| 1103 |
HAVE_GAS=no |
| 1104 |
AC_MSG_CHECKING(for GAS .p2align feature) |
| 1105 |
cat >conftest.S << EOF |
| 1106 |
.text |
| 1107 |
.p2align 5 |
| 1108 |
EOF |
| 1109 |
if $CC conftest.S -c -o conftest.o >/dev/null 2>&1 ; then HAVE_GAS=yes; fi |
| 1110 |
AC_MSG_RESULT($HAVE_GAS) |
| 1111 |
|
| 1112 |
dnl Check for GCC 2.7 or higher. |
| 1113 |
HAVE_GCC27=no |
| 1114 |
AC_MSG_CHECKING(for GCC 2.7 or higher) |
| 1115 |
AC_EGREP_CPP(xyes, |
| 1116 |
[#if __GNUC__ - 1 > 1 || __GNUC_MINOR__ - 1 > 5 |
| 1117 |
xyes |
| 1118 |
#endif |
| 1119 |
], [AC_MSG_RESULT(yes); HAVE_GCC27=yes], AC_MSG_RESULT(no)) |
| 1120 |
|
| 1121 |
dnl Check for GCC 3.0 or higher. |
| 1122 |
HAVE_GCC30=no |
| 1123 |
AC_MSG_CHECKING(for GCC 3.0 or higher) |
| 1124 |
AC_EGREP_CPP(xyes, |
| 1125 |
[#if __GNUC__ >= 3 |
| 1126 |
xyes |
| 1127 |
#endif |
| 1128 |
], [AC_MSG_RESULT(yes); HAVE_GCC30=yes], AC_MSG_RESULT(no)) |
| 1129 |
|
| 1130 |
dnl Check for ICC. |
| 1131 |
AC_MSG_CHECKING(for ICC) |
| 1132 |
HAVE_ICC=no |
| 1133 |
if $CXX -V -v 2>&1 | grep -q "Intel(R) C++ Compiler"; then |
| 1134 |
HAVE_ICC=yes |
| 1135 |
fi |
| 1136 |
AC_MSG_RESULT($HAVE_ICC) |
| 1137 |
|
| 1138 |
dnl Set "-fomit-frame-pointer" on i386 GCC 2.7 or higher. |
| 1139 |
dnl Also set "-fno-exceptions" for C++ because exception handling requires |
| 1140 |
dnl the frame pointer. |
| 1141 |
if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" ]]; then |
| 1142 |
CFLAGS="$CFLAGS -fomit-frame-pointer" |
| 1143 |
CXXFLAGS="$CXXFLAGS -fomit-frame-pointer -fno-exceptions" |
| 1144 |
fi |
| 1145 |
|
| 1146 |
dnl (gb) Do not merge constants since it breaks fpu/fpu_x86.cpp. |
| 1147 |
dnl As of 2001/08/02, this affects the following compilers: |
| 1148 |
dnl Official: probably gcc-3.1 (mainline CVS) |
| 1149 |
dnl Mandrake: gcc-2.96 >= 0.59mdk, gcc-3.0.1 >= 0.1mdk |
| 1150 |
dnl Red Hat : gcc-2.96 >= 89, gcc-3.0 >= 1 |
| 1151 |
if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_ICC" = "xno" ]]; then |
| 1152 |
SAVED_CXXFLAGS="$CXXFLAGS" |
| 1153 |
CXXFLAGS="$CXXFLAGS -fno-merge-constants" |
| 1154 |
AC_CACHE_CHECK([whether GCC supports constants merging], ac_cv_gcc_constants_merging, [ |
| 1155 |
AC_LANG_SAVE |
| 1156 |
AC_LANG_CPLUSPLUS |
| 1157 |
AC_TRY_COMPILE([],[],[ac_cv_gcc_constants_merging=yes],[ac_cv_gcc_constants_merging=no]) |
| 1158 |
AC_LANG_RESTORE |
| 1159 |
]) |
| 1160 |
if [[ "x$ac_cv_gcc_constants_merging" != "xyes" ]]; then |
| 1161 |
CXXFLAGS="$SAVED_CXXFLAGS" |
| 1162 |
fi |
| 1163 |
fi |
| 1164 |
|
| 1165 |
dnl Store motion was introduced in 3.3-hammer branch and any gcc >= 3.4 |
| 1166 |
dnl However, there are some corner cases exposed on x86-64 |
| 1167 |
if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_ICC" = "xno" ]]; then |
| 1168 |
SAVED_CXXFLAGS="$CXXFLAGS" |
| 1169 |
CXXFLAGS="$CXXFLAGS -fno-gcse-sm" |
| 1170 |
AC_CACHE_CHECK([whether GCC supports store motion], ac_cv_gcc_store_motion, [ |
| 1171 |
AC_LANG_SAVE |
| 1172 |
AC_LANG_CPLUSPLUS |
| 1173 |
AC_TRY_COMPILE([],[],[ac_cv_gcc_store_motion=yes],[ac_cv_gcc_store_motion=no]) |
| 1174 |
AC_LANG_RESTORE |
| 1175 |
]) |
| 1176 |
if [[ "x$ac_cv_gcc_store_motion" != "xyes" ]]; then |
| 1177 |
CXXFLAGS="$SAVED_CXXFLAGS" |
| 1178 |
fi |
| 1179 |
fi |
| 1180 |
|
| 1181 |
dnl Add -fno-strict-aliasing for slirp sources |
| 1182 |
if [[ "x$HAVE_GCC30" = "xyes" ]]; then |
| 1183 |
SAVED_CFLAGS="$CFLAGS" |
| 1184 |
CFLAGS="$CFLAGS -fno-strict-aliasing" |
| 1185 |
AC_CACHE_CHECK([whether the compiler supports -fno-strict-aliasing], |
| 1186 |
ac_cv_gcc_no_strict_aliasing, [ |
| 1187 |
AC_TRY_COMPILE([],[], |
| 1188 |
[ac_cv_gcc_no_strict_aliasing=yes; AC_SUBST(SLIRP_CFLAGS, "-fno-strict-aliasing")], |
| 1189 |
[ac_cv_gcc_no_strict_aliasing=no]) |
| 1190 |
]) |
| 1191 |
CFLAGS="$SAVED_CFLAGS" |
| 1192 |
fi |
| 1193 |
|
| 1194 |
dnl Select appropriate CPU source and REGPARAM define. |
| 1195 |
ASM_OPTIMIZATIONS=none |
| 1196 |
CPUSRCS="cpuemu1.cpp cpuemu2.cpp cpuemu3.cpp cpuemu4.cpp cpuemu5.cpp cpuemu6.cpp cpuemu7.cpp cpuemu8.cpp" |
| 1197 |
|
| 1198 |
dnl (gb) JITSRCS will be emptied later if the JIT is not available |
| 1199 |
dnl Other platforms should define their own set of noflags file variants |
| 1200 |
CAN_JIT=no |
| 1201 |
JITSRCS="compemu1.cpp compemu2.cpp compemu3.cpp compemu4.cpp compemu5.cpp compemu6.cpp compemu7.cpp compemu8.cpp" |
| 1202 |
|
| 1203 |
if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" ]]; then |
| 1204 |
dnl i386 CPU |
| 1205 |
DEFINES="$DEFINES -DUNALIGNED_PROFITABLE -DREGPARAM=\"__attribute__((regparm(3)))\"" |
| 1206 |
if [[ "x$HAVE_GAS" = "xyes" ]]; then |
| 1207 |
ASM_OPTIMIZATIONS=i386 |
| 1208 |
DEFINES="$DEFINES -DX86_ASSEMBLY -DOPTIMIZED_FLAGS -DSAHF_SETO_PROFITABLE" |
| 1209 |
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 $JITSRCS" |
| 1210 |
CAN_JIT=yes |
| 1211 |
fi |
| 1212 |
elif [[ "x$HAVE_GCC30" = "xyes" -a "x$HAVE_X86_64" = "xyes" ]]; then |
| 1213 |
dnl x86-64 CPU |
| 1214 |
DEFINES="$DEFINES -DUNALIGNED_PROFITABLE" |
| 1215 |
if [[ "x$HAVE_GAS" = "xyes" ]]; then |
| 1216 |
ASM_OPTIMIZATIONS="x86-64" |
| 1217 |
DEFINES="$DEFINES -DX86_64_ASSEMBLY -DOPTIMIZED_FLAGS" |
| 1218 |
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 $JITSRCS" |
| 1219 |
CAN_JIT=yes |
| 1220 |
WANT_33BIT_ADDRESSING=yes |
| 1221 |
fi |
| 1222 |
elif [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_SPARC" = "xyes" -a "x$HAVE_GAS" = "xyes" ]]; then |
| 1223 |
dnl SPARC CPU |
| 1224 |
case "$target_os" in |
| 1225 |
solaris*) |
| 1226 |
AC_MSG_CHECKING(SPARC CPU architecture) |
| 1227 |
SPARC_TYPE=`Solaris/which_sparc` |
| 1228 |
AC_MSG_RESULT($SPARC_TYPE) |
| 1229 |
case "$SPARC_TYPE" in |
| 1230 |
SPARC_V8) |
| 1231 |
ASM_OPTIMIZATIONS="SPARC V8 architecture" |
| 1232 |
DEFINES="$DEFINES -DSPARC_V8_ASSEMBLY" dnl -DOPTIMIZED_FLAGS" |
| 1233 |
CFLAGS="$CFLAGS -Wa,-Av8" |
| 1234 |
CXXFLAGS="$CXXFLAGS -Wa,-Av8" |
| 1235 |
;; |
| 1236 |
SPARC_V9) |
| 1237 |
ASM_OPTIMIZATIONS="SPARC V9 architecture" |
| 1238 |
DEFINES="$DEFINES -DSPARC_V9_ASSEMBLY" dnl -DOPTIMIZED_FLAGS" |
| 1239 |
CFLAGS="$CFLAGS -Wa,-Av9" |
| 1240 |
CXXFLAGS="$CXXFLAGS -Wa,-Av9" |
| 1241 |
;; |
| 1242 |
esac |
| 1243 |
;; |
| 1244 |
esac |
| 1245 |
elif [[ "x$WANT_NATIVE_M68K" = "xyes" ]]; then |
| 1246 |
dnl Native m68k, no emulation |
| 1247 |
CPUINCLUDES="-I../native_cpu" |
| 1248 |
CPUSRCS="asm_support.s" |
| 1249 |
fi |
| 1250 |
|
| 1251 |
dnl Enable JIT compiler, if possible. |
| 1252 |
if [[ "x$WANT_JIT" = "xyes" -a "x$CAN_JIT" ]]; then |
| 1253 |
JITSRCS="$JITSRCS ../uae_cpu/compiler/compemu_support.cpp ../uae_cpu/compiler/compemu_fpp.cpp compstbl.o cpustbl_nf.o" |
| 1254 |
DEFINES="$DEFINES -DUSE_JIT -DUSE_JIT_FPU" |
| 1255 |
|
| 1256 |
if [[ "x$WANT_JIT_DEBUG" = "xyes" ]]; then |
| 1257 |
if [[ "x$WANT_MON" = "xyes" ]]; then |
| 1258 |
DEFINES="$DEFINES -DJIT_DEBUG=1" |
| 1259 |
else |
| 1260 |
AC_MSG_WARN([cxmon not found, ignoring --enable-jit-debug]) |
| 1261 |
WANT_JIT_DEBUG=no |
| 1262 |
fi |
| 1263 |
fi |
| 1264 |
|
| 1265 |
dnl IEEE core is the only FPU emulator to use with the JIT compiler |
| 1266 |
case $FPE_CORE_TEST_ORDER in |
| 1267 |
ieee*) ;; |
| 1268 |
*) AC_MSG_WARN([Forcing use of the IEEE FPU core, as the JIT compiler supports only this one.]) ;; |
| 1269 |
esac |
| 1270 |
FPE_CORE_TEST_ORDER="ieee" |
| 1271 |
else |
| 1272 |
WANT_JIT=no |
| 1273 |
WANT_JIT_DEBUG=no |
| 1274 |
JITSRCS="" |
| 1275 |
fi |
| 1276 |
|
| 1277 |
dnl Use 33-bit memory addressing? |
| 1278 |
if [[ "$ac_cv_have_33bit_addressing:$WANT_33BIT_ADDRESSING" = "yes:yes" ]]; then |
| 1279 |
use_33bit_addressing=yes |
| 1280 |
fi |
| 1281 |
AC_TRANSLATE_DEFINE(USE_33BIT_ADDRESSING, "$use_33bit_addressing", |
| 1282 |
[Define to use 33-bit memory addressing on 64-bit JIT capable systems.]) |
| 1283 |
|
| 1284 |
dnl Utility macro used by next two tests. |
| 1285 |
dnl AC_EXAMINE_OBJECT(C source code, |
| 1286 |
dnl commands examining object file, |
| 1287 |
dnl [commands to run if compile failed]): |
| 1288 |
dnl |
| 1289 |
dnl Compile the source code to an object file; then convert it into a |
| 1290 |
dnl printable representation. All unprintable characters and |
| 1291 |
dnl asterisks (*) are replaced by dots (.). All white space is |
| 1292 |
dnl deleted. Newlines (ASCII 0x10) in the input are preserved in the |
| 1293 |
dnl output, but runs of newlines are compressed to a single newline. |
| 1294 |
dnl Finally, line breaks are forcibly inserted so that no line is |
| 1295 |
dnl longer than 80 columns and the file ends with a newline. The |
| 1296 |
dnl result of all this processing is in the file conftest.dmp, which |
| 1297 |
dnl may be examined by the commands in the second argument. |
| 1298 |
dnl |
| 1299 |
AC_DEFUN([gcc_AC_EXAMINE_OBJECT], |
| 1300 |
[AC_LANG_SAVE |
| 1301 |
AC_LANG_C |
| 1302 |
dnl Next bit cribbed from AC_TRY_COMPILE. |
| 1303 |
cat > conftest.$ac_ext <<EOF |
| 1304 |
[#line __oline__ "configure" |
| 1305 |
#include "confdefs.h" |
| 1306 |
$1 |
| 1307 |
]EOF |
| 1308 |
if AC_TRY_EVAL(ac_compile); then |
| 1309 |
od -c conftest.o | |
| 1310 |
sed ['s/^[0-7]*[ ]*/ / |
| 1311 |
s/\*/./g |
| 1312 |
s/ \\n/*/g |
| 1313 |
s/ [0-9][0-9][0-9]/./g |
| 1314 |
s/ \\[^ ]/./g'] | |
| 1315 |
tr -d ' |
| 1316 |
' | tr -s '*' ' |
| 1317 |
' | fold | sed '$a\ |
| 1318 |
' > conftest.dmp |
| 1319 |
$2 |
| 1320 |
ifelse($3, , , else |
| 1321 |
$3 |
| 1322 |
)dnl |
| 1323 |
fi |
| 1324 |
rm -rf conftest* |
| 1325 |
AC_LANG_RESTORE]) |
| 1326 |
|
| 1327 |
dnl Floating point format probe. |
| 1328 |
dnl The basic concept is the same as the above: grep the object |
| 1329 |
dnl file for an interesting string. We have to watch out for |
| 1330 |
dnl rounding changing the values in the object, however; this is |
| 1331 |
dnl handled by ignoring the least significant byte of the float. |
| 1332 |
dnl |
| 1333 |
dnl Does not know about VAX G-float or C4x idiosyncratic format. |
| 1334 |
dnl It does know about PDP-10 idiosyncratic format, but this is |
| 1335 |
dnl not presently supported by GCC. S/390 "binary floating point" |
| 1336 |
dnl is in fact IEEE (but maybe we should have that in EBCDIC as well |
| 1337 |
dnl as ASCII?) |
| 1338 |
dnl |
| 1339 |
AC_DEFUN([gcc_AC_C_FLOAT_FORMAT], |
| 1340 |
[AC_CACHE_CHECK(floating point format, ac_cv_c_float_format, |
| 1341 |
[gcc_AC_EXAMINE_OBJECT( |
| 1342 |
[/* This will not work unless sizeof(double) == 8. */ |
| 1343 |
extern char sizeof_double_must_be_8 [sizeof(double) == 8 ? 1 : -1]; |
| 1344 |
|
| 1345 |
/* This structure must have no internal padding. */ |
| 1346 |
struct possibility { |
| 1347 |
char prefix[8]; |
| 1348 |
double candidate; |
| 1349 |
char postfix[8]; |
| 1350 |
}; |
| 1351 |
|
| 1352 |
#define C(cand) { "\nformat:", cand, ":tamrof\n" } |
| 1353 |
struct possibility table [] = |
| 1354 |
{ |
| 1355 |
C( 3.25724264705901305206e+01), /* @@IEEEFP - IEEE 754 */ |
| 1356 |
C( 3.53802595280598432000e+18), /* D__float - VAX */ |
| 1357 |
C( 5.32201830133125317057e-19), /* D.PDP-10 - PDP-10 - the dot is 0x13a */ |
| 1358 |
C( 1.77977764695171661377e+10), /* IBMHEXFP - s/390 format, ascii */ |
| 1359 |
C(-5.22995989424860458374e+10) /* IBMHEXFP - s/390 format, EBCDIC */ |
| 1360 |
};], |
| 1361 |
[if grep 'format:.@IEEEF.:tamrof' conftest.dmp >/dev/null 2>&1; then |
| 1362 |
ac_cv_c_float_format='IEEE (big-endian)' |
| 1363 |
elif grep 'format:.I@@PFE.:tamrof' conftest.dmp >/dev/null 2>&1; then |
| 1364 |
ac_cv_c_float_format='IEEE (big-endian)' |
| 1365 |
elif grep 'format:.FEEEI@.:tamrof' conftest.dmp >/dev/null 2>&1; then |
| 1366 |
ac_cv_c_float_format='IEEE (little-endian)' |
| 1367 |
elif grep 'format:.EFP@@I.:tamrof' conftest.dmp >/dev/null 2>&1; then |
| 1368 |
ac_cv_c_float_format='IEEE (little-endian)' |
| 1369 |
elif grep 'format:.__floa.:tamrof' conftest.dmp >/dev/null 2>&1; then |
| 1370 |
ac_cv_c_float_format='VAX D-float' |
| 1371 |
elif grep 'format:..PDP-1.:tamrof' conftest.dmp >/dev/null 2>&1; then |
| 1372 |
ac_cv_c_float_format='PDP-10' |
| 1373 |
elif grep 'format:.BMHEXF.:tamrof' conftest.dmp >/dev/null 2>&1; then |
| 1374 |
ac_cv_c_float_format='IBM 370 hex' |
| 1375 |
else |
| 1376 |
AC_MSG_ERROR(Unknown floating point format) |
| 1377 |
fi], |
| 1378 |
[AC_MSG_ERROR(compile failed)]) |
| 1379 |
]) |
| 1380 |
# IEEE is the default format. If the float endianness isn't the same |
| 1381 |
# as the integer endianness, we have to set FLOAT_WORDS_BIG_ENDIAN |
| 1382 |
# (which is a tristate: yes, no, default). This is only an issue with |
| 1383 |
# IEEE; the other formats are only supported by a few machines each, |
| 1384 |
# all with the same endianness. |
| 1385 |
format=IEEE_FLOAT_FORMAT |
| 1386 |
fbigend= |
| 1387 |
case $ac_cv_c_float_format in |
| 1388 |
'IEEE (big-endian)' ) |
| 1389 |
if test $ac_cv_c_bigendian = no; then |
| 1390 |
fbigend=1 |
| 1391 |
fi |
| 1392 |
;; |
| 1393 |
'IEEE (little-endian)' ) |
| 1394 |
if test $ac_cv_c_bigendian = yes; then |
| 1395 |
fbigend=0 |
| 1396 |
fi |
| 1397 |
;; |
| 1398 |
'VAX D-float' ) |
| 1399 |
format=VAX_FLOAT_FORMAT |
| 1400 |
;; |
| 1401 |
'PDP-10' ) |
| 1402 |
format=PDP10_FLOAT_FORMAT |
| 1403 |
;; |
| 1404 |
'IBM 370 hex' ) |
| 1405 |
format=IBM_FLOAT_FORMAT |
| 1406 |
;; |
| 1407 |
esac |
| 1408 |
AC_DEFINE_UNQUOTED(HOST_FLOAT_FORMAT, $format, |
| 1409 |
[Define to the floating point format of the host machine.]) |
| 1410 |
if test -n "$fbigend"; then |
| 1411 |
AC_DEFINE_UNQUOTED(HOST_FLOAT_WORDS_BIG_ENDIAN, $fbigend, |
| 1412 |
[Define to 1 if the host machine stores floating point numbers in |
| 1413 |
memory with the word containing the sign bit at the lowest address, |
| 1414 |
or to 0 if it does it the other way around. |
| 1415 |
|
| 1416 |
This macro should not be defined if the ordering is the same as for |
| 1417 |
multi-word integers.]) |
| 1418 |
fi |
| 1419 |
]) |
| 1420 |
|
| 1421 |
dnl Select appropriate FPU source. |
| 1422 |
gcc_AC_C_FLOAT_FORMAT |
| 1423 |
AC_CHECK_HEADERS(ieee754.h ieeefp.h floatingpoint.h nan.h) |
| 1424 |
|
| 1425 |
for fpe in $FPE_CORE_TEST_ORDER; do |
| 1426 |
case $fpe in |
| 1427 |
ieee) |
| 1428 |
case $ac_cv_c_float_format in |
| 1429 |
IEEE*) |
| 1430 |
FPE_CORE="IEEE fpu core" |
| 1431 |
DEFINES="$DEFINES -DFPU_IEEE" |
| 1432 |
FPUSRCS="../uae_cpu/fpu/fpu_ieee.cpp" |
| 1433 |
dnl Math functions not mandated by C99 standard |
| 1434 |
AC_CHECK_FUNCS(isnanl isinfl) |
| 1435 |
dnl Math functions required by C99 standard, but probably not |
| 1436 |
dnl implemented everywhere. In that case, we fall back to the |
| 1437 |
dnl regular variant for doubles. |
| 1438 |
AC_CHECK_FUNCS(logl log10l expl powl fabsl sqrtl) |
| 1439 |
AC_CHECK_FUNCS(sinl cosl tanl sinhl coshl tanhl) |
| 1440 |
AC_CHECK_FUNCS(asinl acosl atanl asinhl acoshl atanhl) |
| 1441 |
AC_CHECK_FUNCS(floorl ceill) |
| 1442 |
break |
| 1443 |
;; |
| 1444 |
esac |
| 1445 |
;; |
| 1446 |
x86) |
| 1447 |
if [[ ":$HAVE_GCC27:$HAVE_I386:$HAVE_GAS:" = ":yes:yes:yes:" ]]; then |
| 1448 |
FPE_CORE="i387 fpu core" |
| 1449 |
DEFINES="$DEFINES -DFPU_X86" |
| 1450 |
FPUSRCS="../uae_cpu/fpu/fpu_x86.cpp" |
| 1451 |
break |
| 1452 |
fi |
| 1453 |
;; |
| 1454 |
uae) |
| 1455 |
FPE_CORE="uae fpu core" |
| 1456 |
DEFINES="$DEFINES -DFPU_UAE" |
| 1457 |
FPUSRCS="../uae_cpu/fpu/fpu_uae.cpp" |
| 1458 |
break |
| 1459 |
;; |
| 1460 |
*) |
| 1461 |
AC_MSG_ERROR([Internal configure.in script error for $fpe fpu core]) |
| 1462 |
;; |
| 1463 |
esac |
| 1464 |
done |
| 1465 |
if [[ "x$FPE_CORE" = "x" ]]; then |
| 1466 |
AC_MSG_ERROR([Sorry, no suitable FPU core found in $FPE_CORE_TEST_ORDER]) |
| 1467 |
fi |
| 1468 |
|
| 1469 |
dnl Check for certain math functions |
| 1470 |
AC_CHECK_FUNCS(atanh) |
| 1471 |
AC_CHECK_FUNCS(isnan isinf finite isnormal signbit) |
| 1472 |
|
| 1473 |
dnl UAE CPU sources for all non-m68k-native architectures. |
| 1474 |
if [[ "x$WANT_NATIVE_M68K" = "xno" ]]; then |
| 1475 |
CPUINCLUDES="-I../uae_cpu" |
| 1476 |
CPUSRCS="../uae_cpu/basilisk_glue.cpp ../uae_cpu/memory.cpp ../uae_cpu/newcpu.cpp ../uae_cpu/readcpu.cpp $FPUSRCS cpustbl.cpp cpudefs.cpp $CPUSRCS $JITSRCS" |
| 1477 |
fi |
| 1478 |
|
| 1479 |
dnl Remove the "-g" option if set for GCC. |
| 1480 |
if [[ "x$HAVE_GCC27" = "xyes" ]]; then |
| 1481 |
CFLAGS=`echo $CFLAGS | sed -e 's/-g\b//g'` |
| 1482 |
CXXFLAGS=`echo $CXXFLAGS | sed -e 's/-g\b//g'` |
| 1483 |
fi |
| 1484 |
|
| 1485 |
dnl Or if we have -IPA (MIPSPro compilers) |
| 1486 |
if [[ "x$HAVE_IPA" = "xyes" ]]; then |
| 1487 |
CFLAGS="`echo $CFLAGS | sed -e 's/-g//g'` -O3 -OPT:Olimit=0 -IPA" |
| 1488 |
CXXFLAGS="`echo $CXXFLAGS | sed -e 's/-g//g'` -O3 -OPT:Olimit=0 -IPA" |
| 1489 |
CXXFLAGS="-LANG:std $CXXFLAGS" |
| 1490 |
LDFLAGS="$LDFLAGS -O3 -OPT:Olimit=0 -IPA" |
| 1491 |
fi |
| 1492 |
|
| 1493 |
dnl Generate Makefile. |
| 1494 |
AC_SUBST(DEFINES) |
| 1495 |
AC_SUBST(SYSSRCS) |
| 1496 |
AC_SUBST(CPUINCLUDES) |
| 1497 |
AC_SUBST(CPUSRCS) |
| 1498 |
AC_SUBST(BLESS) |
| 1499 |
AC_SUBST(KEYCODES) |
| 1500 |
AC_CONFIG_FILES([Makefile]) |
| 1501 |
AC_OUTPUT |
| 1502 |
|
| 1503 |
dnl Print summary. |
| 1504 |
echo |
| 1505 |
echo Basilisk II configuration summary: |
| 1506 |
echo |
| 1507 |
echo SDL support ............................ : $SDL_SUPPORT |
| 1508 |
echo XFree86 DGA support .................... : $WANT_XF86_DGA |
| 1509 |
echo XFree86 VidMode support ................ : $WANT_XF86_VIDMODE |
| 1510 |
echo fbdev DGA support ...................... : $WANT_FBDEV_DGA |
| 1511 |
echo Enable video on SEGV signals ........... : $WANT_VOSF |
| 1512 |
echo ESD sound support ...................... : $WANT_ESD |
| 1513 |
echo GTK user interface ..................... : $WANT_GTK |
| 1514 |
echo mon debugger support ................... : $WANT_MON |
| 1515 |
echo Running m68k code natively ............. : $WANT_NATIVE_M68K |
| 1516 |
echo Use JIT compiler ....................... : $WANT_JIT |
| 1517 |
echo JIT debug mode ......................... : $WANT_JIT_DEBUG |
| 1518 |
echo Floating-Point emulation core .......... : $FPE_CORE |
| 1519 |
echo Assembly optimizations ................. : $ASM_OPTIMIZATIONS |
| 1520 |
echo Addressing mode ........................ : $ADDRESSING_MODE |
| 1521 |
echo Bad memory access recovery type ........ : $sigsegv_recovery |
| 1522 |
echo |
| 1523 |
echo "Configuration done. Now type \"make\" (or \"gmake\")." |
