| 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 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 FPU emulation core. |
| 15 |
AC_ARG_ENABLE(fpe, |
| 16 |
[ --enable-fpe=FPE specify which fpu emulator to use [default=auto]], |
| 17 |
[ case "$enableval" in |
| 18 |
dnl default is always ieee, if architecture has this fp format |
| 19 |
auto) FPE_CORE_TEST_ORDER="ieee uae";; |
| 20 |
ieee) FPE_CORE_TEST_ORDER="ieee";; |
| 21 |
uae) FPE_CORE_TEST_ORDER="uae";; |
| 22 |
x86) FPE_CORE_TEST_ORDER="x86";; |
| 23 |
*) AC_MSG_ERROR([--enable-fpe takes only one of the following values: auto, x86, ieee, uae]);; |
| 24 |
esac |
| 25 |
], |
| 26 |
[ FPE_CORE_TEST_ORDER="ieee uae" |
| 27 |
]) |
| 28 |
|
| 29 |
dnl Addressing modes. |
| 30 |
AC_ARG_ENABLE(addressing, |
| 31 |
[ --enable-addressing=AM specify the addressing mode to use [default=fastest]], |
| 32 |
[ case "$enableval" in |
| 33 |
real) ADDRESSING_TEST_ORDER="real";; |
| 34 |
direct) ADDRESSING_TEST_ORDER="direct";; |
| 35 |
banks) ADDRESSING_TEST_ORDER="banks";; |
| 36 |
fastest)ADDRESSING_TEST_ORDER="direct banks";; |
| 37 |
*) AC_MSG_ERROR([--enable-addressing takes only one of the following values: fastest, real, direct, banks]);; |
| 38 |
esac |
| 39 |
], |
| 40 |
[ ADDRESSING_TEST_ORDER="direct banks" |
| 41 |
]) |
| 42 |
|
| 43 |
dnl External packages. |
| 44 |
AC_ARG_WITH(esd, [ --with-esd support ESD for sound under Linux/FreeBSD [default=yes]], [WANT_ESD=$withval], [WANT_ESD=yes]) |
| 45 |
AC_ARG_WITH(gtk, [ --with-gtk use GTK user interface [default=yes]], [WANT_GTK=$withval], [WANT_GTK=yes]) |
| 46 |
AC_ARG_WITH(mon, [ --with-mon use mon as debugger [default=yes]], [WANT_MON=$withval], [WANT_MON=yes]) |
| 47 |
|
| 48 |
dnl Canonical system information. |
| 49 |
AC_CANONICAL_HOST |
| 50 |
AC_CANONICAL_TARGET |
| 51 |
|
| 52 |
dnl Target OS type (target is host if not cross-compiling). |
| 53 |
case "$target_os" in |
| 54 |
linux*) OS_TYPE=linux;; |
| 55 |
netbsd*) OS_TYPE=netbsd;; |
| 56 |
freebsd*) OS_TYPE=freebsd;; |
| 57 |
solaris*) OS_TYPE=solaris;; |
| 58 |
darwin*) OS_TYPE=darwin;; |
| 59 |
*) OS_TYPE=`echo $target_os | sed -e 's/-/_/g' | sed -e 's/\./_/g'`;; |
| 60 |
esac |
| 61 |
DEFINES="$DEFINES -DOS_$OS_TYPE" |
| 62 |
|
| 63 |
dnl Target CPU type. |
| 64 |
HAVE_I386=no |
| 65 |
HAVE_M68K=no |
| 66 |
HAVE_SPARC=no |
| 67 |
HAVE_POWERPC=no |
| 68 |
case "$target_cpu" in |
| 69 |
i386* | i486* | i586* | i686* | i786* ) CPU_TYPE=i386 HAVE_I386=yes;; |
| 70 |
m68k* ) CPU_TYPE=m68k HAVE_M68K=yes;; |
| 71 |
sparc* ) CPU_TYPE=sparc HAVE_SPARC=yes;; |
| 72 |
powerpc* ) CPU_TYPE=powerpc HAVE_POWERPC=yes;; |
| 73 |
*) CPU_TYPE=`echo $target_cpu | sed -e 's/-/_/g'`;; |
| 74 |
esac |
| 75 |
DEFINES="$DEFINES -DCPU_$CPU_TYPE" |
| 76 |
|
| 77 |
dnl Checks for programs. |
| 78 |
AC_PROG_CC |
| 79 |
AC_PROG_CC_C_O |
| 80 |
AC_PROG_CPP |
| 81 |
AC_PROG_CXX |
| 82 |
AC_PROG_MAKE_SET |
| 83 |
AC_PROG_INSTALL |
| 84 |
|
| 85 |
dnl We use mon if possible. |
| 86 |
MONSRCS= |
| 87 |
if [[ "x$WANT_MON" = "xyes" ]]; then |
| 88 |
AC_MSG_CHECKING(for mon) |
| 89 |
mon_srcdir=../../../mon/src |
| 90 |
if grep mon_init $mon_srcdir/mon.h >/dev/null 2>/dev/null; then |
| 91 |
AC_MSG_RESULT(yes) |
| 92 |
AC_DEFINE(ENABLE_MON, 1, [Define if using "mon".]) |
| 93 |
MONSRCS="$mon_srcdir/mon.cpp $mon_srcdir/mon_6502.cpp $mon_srcdir/mon_z80.cpp $mon_srcdir/mon_cmd.cpp $mon_srcdir/mon_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 $mon_srcdir/disass/m68k-opc.c" |
| 94 |
CXXFLAGS="$CXXFLAGS -I$mon_srcdir -I$mon_srcdir/disass" |
| 95 |
AC_CHECK_LIB(ncurses, tgetent, , |
| 96 |
AC_CHECK_LIB(termcap, tgetent, , |
| 97 |
AC_CHECK_LIB(termlib, tgetent, , |
| 98 |
AC_CHECK_LIB(terminfo, tgetent, , |
| 99 |
AC_CHECK_LIB(Hcurses, tgetent, , |
| 100 |
AC_CHECK_LIB(curses, tgetent)))))) |
| 101 |
AC_CHECK_LIB(readline, readline) |
| 102 |
AC_CHECK_HEADERS(readline.h history.h readline/readline.h readline/history.h) |
| 103 |
else |
| 104 |
AC_MSG_RESULT(no) |
| 105 |
AC_MSG_WARN([Could not find mon, ignoring --with-mon.]) |
| 106 |
WANT_MON=no |
| 107 |
fi |
| 108 |
fi |
| 109 |
|
| 110 |
dnl Checks for libraries. |
| 111 |
AC_CHECK_LIB(posix4, sem_init) |
| 112 |
AC_CHECK_LIB(rt, timer_create) |
| 113 |
|
| 114 |
dnl We need X11. |
| 115 |
AC_PATH_XTRA |
| 116 |
if [[ "x$no_x" = "xyes" ]]; then |
| 117 |
AC_MSG_ERROR([You need X11 to run Basilisk II.]) |
| 118 |
fi |
| 119 |
CFLAGS="$CFLAGS $X_CFLAGS" |
| 120 |
CXXFLAGS="$CXXFLAGS $X_CFLAGS" |
| 121 |
LIBS="$LIBS $X_PRE_LIBS $X_LIBS -lX11 -lXext $X_EXTRA_LIBS" |
| 122 |
|
| 123 |
dnl We want pthreads. Try libpthread first, then libc_r (FreeBSD), then PTL. |
| 124 |
HAVE_PTHREADS=yes |
| 125 |
AC_CHECK_LIB(pthread, pthread_create, , [ |
| 126 |
AC_CHECK_LIB(c_r, pthread_create, , [ |
| 127 |
AC_CHECK_LIB(PTL, pthread_create, , [ |
| 128 |
HAVE_PTHREADS=no |
| 129 |
]) |
| 130 |
]) |
| 131 |
]) |
| 132 |
if [[ "x$HAVE_PTHREADS" = "xyes" ]]; then |
| 133 |
AC_DEFINE(HAVE_PTHREADS, 1, [Define if pthreads are available.]) |
| 134 |
fi |
| 135 |
AC_CHECK_FUNCS(pthread_cancel) |
| 136 |
AC_CHECK_FUNCS(pthread_mutexattr_setprotocol) |
| 137 |
AC_CHECK_FUNCS(pthread_mutexattr_settype) |
| 138 |
|
| 139 |
dnl If POSIX.4 semaphores are not available, we emulate them with pthread mutexes. |
| 140 |
SEMSRC= |
| 141 |
AC_CHECK_FUNCS(sem_init, , [ |
| 142 |
if test "x$HAVE_PTHREADS" = "xyes"; then |
| 143 |
SEMSRC=posix_sem.cpp |
| 144 |
fi |
| 145 |
]) |
| 146 |
|
| 147 |
dnl We use DGA (XFree86 or fbdev) if possible. |
| 148 |
if [[ "x$WANT_XF86_DGA" = "xyes" ]]; then |
| 149 |
AC_CHECK_LIB(Xxf86dga, XF86DGAQueryExtension, [ |
| 150 |
AC_DEFINE(ENABLE_XF86_DGA, 1, [Define if using XFree86 DGA extension.]) |
| 151 |
LIBS="$LIBS -lXxf86dga" |
| 152 |
if [[ "x$WANT_FBDEV_DGA" = "xyes" ]]; then |
| 153 |
AC_MSG_WARN([Cannot have both --enable-xf86-dga and --enable-fbdev-dga, ignoring --enable-fbdev-dga.]) |
| 154 |
WANT_FBDEV_DGA=no |
| 155 |
fi |
| 156 |
], [ |
| 157 |
AC_MSG_WARN([Could not find XFree86 DGA extension, ignoring --enable-xf86-dga.]) |
| 158 |
WANT_XF86_DGA=no |
| 159 |
]) |
| 160 |
fi |
| 161 |
if [[ "x$WANT_FBDEV_DGA" = "xyes" ]]; then |
| 162 |
AC_DEFINE(ENABLE_FBDEV_DGA, 1, [Define if using DGA with framebuffer device.]) |
| 163 |
fi |
| 164 |
|
| 165 |
dnl We use XFree86 VidMode if possible. |
| 166 |
if [[ "x$WANT_XF86_VIDMODE" = "xyes" ]]; then |
| 167 |
AC_CHECK_LIB(Xxf86vm, XF86VidModeQueryExtension, [ |
| 168 |
AC_DEFINE(ENABLE_XF86_VIDMODE, 1, [Define if using XFree86 DGA extension.]) |
| 169 |
LIBS="$LIBS -lXxf86vm" |
| 170 |
], [ |
| 171 |
AC_MSG_WARN([Could not find XFree86 VidMode extension, ignoring --enable-xf86-vidmode.]) |
| 172 |
WANT_XF86_VIDMODE=no |
| 173 |
]) |
| 174 |
fi |
| 175 |
|
| 176 |
dnl We use GTK+ if possible. |
| 177 |
UISRCS=../dummy/prefs_editor_dummy.cpp |
| 178 |
if [[ "x$WANT_GTK" = "xyes" ]]; then |
| 179 |
AM_PATH_GTK(1.2.0, [ |
| 180 |
AC_DEFINE(ENABLE_GTK, 1, [Define if using GTK.]) |
| 181 |
CXXFLAGS="$CXXFLAGS $GTK_CFLAGS" |
| 182 |
LIBS="$LIBS $GTK_LIBS" |
| 183 |
UISRCS=prefs_editor_gtk.cpp |
| 184 |
B2_PATH_GNOMEUI([ |
| 185 |
AC_DEFINE(HAVE_GNOMEUI, 1, [Define if libgnomeui is available.]) |
| 186 |
CXXFLAGS="$CXXFLAGS $GNOMEUI_CFLAGS" |
| 187 |
LIBS="$LIBS $GNOMEUI_LIBS" |
| 188 |
], []) |
| 189 |
], [ |
| 190 |
AC_MSG_WARN([Could not find GTK+, disabling user interface.]) |
| 191 |
WANT_GTK=no |
| 192 |
]) |
| 193 |
fi |
| 194 |
|
| 195 |
dnl We use ESD if possible. |
| 196 |
if [[ "x$WANT_ESD" = "xyes" ]]; then |
| 197 |
AM_PATH_ESD(0.2.8, [ |
| 198 |
AC_DEFINE(ENABLE_ESD, 1, [Define is using ESD.]) |
| 199 |
CFLAGS="$CFLAGS $ESD_CFLAGS" |
| 200 |
CXXFLAGS="$CXXFLAGS $ESD_CFLAGS" |
| 201 |
LIBS="$LIBS $ESD_LIBS" |
| 202 |
], [ |
| 203 |
AC_MSG_WARN([Could not find ESD, disabling ESD support.]) |
| 204 |
WANT_ESD=no |
| 205 |
]) |
| 206 |
fi |
| 207 |
|
| 208 |
dnl We use 64-bit file size support if possible. |
| 209 |
AC_SYS_LARGEFILE |
| 210 |
|
| 211 |
dnl Checks for header files. |
| 212 |
AC_HEADER_STDC |
| 213 |
AC_CHECK_HEADERS(unistd.h fcntl.h sys/time.h sys/mman.h) |
| 214 |
|
| 215 |
dnl Checks for typedefs, structures, and compiler characteristics. |
| 216 |
AC_C_BIGENDIAN |
| 217 |
AC_C_CONST |
| 218 |
AC_C_INLINE |
| 219 |
AC_CHECK_SIZEOF(short, 2) |
| 220 |
AC_CHECK_SIZEOF(int, 4) |
| 221 |
AC_CHECK_SIZEOF(long, 4) |
| 222 |
AC_CHECK_SIZEOF(long long, 8) |
| 223 |
AC_CHECK_SIZEOF(float, 4) |
| 224 |
AC_CHECK_SIZEOF(double, 8) |
| 225 |
AC_CHECK_SIZEOF(long double, 12) |
| 226 |
AC_CHECK_SIZEOF(void *, 4) |
| 227 |
AC_TYPE_OFF_T |
| 228 |
AC_CHECK_TYPE(loff_t, off_t) |
| 229 |
AC_CHECK_TYPE(caddr_t, [char *]) |
| 230 |
AC_TYPE_SIZE_T |
| 231 |
AC_TYPE_SIGNAL |
| 232 |
AC_HEADER_TIME |
| 233 |
AC_STRUCT_TM |
| 234 |
|
| 235 |
dnl Check whether sys/socket.h defines type socklen_t. |
| 236 |
dnl (extracted from ac-archive/Miscellaneous) |
| 237 |
AC_CACHE_CHECK([for socklen_t], |
| 238 |
ac_cv_type_socklen_t, [ |
| 239 |
AC_TRY_COMPILE([ |
| 240 |
#include <sys/types.h> |
| 241 |
#include <sys/socket.h> |
| 242 |
], [socklen_t len = 42; return 0;], |
| 243 |
ac_cv_type_socklen_t=yes, ac_cv_type_socklen_t=no, |
| 244 |
dnl When cross-compiling, do not assume anything. |
| 245 |
ac_cv_type_socklen_t="guessing no" |
| 246 |
) |
| 247 |
]) |
| 248 |
if [[ "x$ac_cv_type_socklen_t" != "xyes" ]]; then |
| 249 |
AC_DEFINE(socklen_t, int, [Define to 'int' if <sys/types.h> doesn't define.]) |
| 250 |
fi |
| 251 |
|
| 252 |
dnl Checks for library functions. |
| 253 |
AC_CHECK_FUNCS(strdup cfmakeraw) |
| 254 |
AC_CHECK_FUNCS(clock_gettime timer_create) |
| 255 |
AC_CHECK_FUNCS(sigaction signal) |
| 256 |
AC_CHECK_FUNCS(mmap mprotect munmap) |
| 257 |
AC_CHECK_FUNCS(vm_allocate vm_deallocate vm_protect) |
| 258 |
|
| 259 |
dnl Darwin seems to define mach_task_self() instead of task_self(). |
| 260 |
AC_CHECK_FUNCS(mach_task_self task_self) |
| 261 |
|
| 262 |
dnl Check for headers and functions related to pty support (sshpty.c) |
| 263 |
dnl From openssh-3.2.2p1 configure.ac |
| 264 |
|
| 265 |
AC_CHECK_HEADERS(strings.h login.h sys/bsdtty.h sys/stat.h util.h pty.h) |
| 266 |
AC_CHECK_FUNCS(_getpty vhangup strlcpy) |
| 267 |
|
| 268 |
case "$host" in |
| 269 |
*-*-hpux10.26) |
| 270 |
disable_ptmx_check=yes |
| 271 |
;; |
| 272 |
*-*-linux*) |
| 273 |
no_dev_ptmx=1 |
| 274 |
;; |
| 275 |
mips-sony-bsd|mips-sony-newsos4) |
| 276 |
AC_DEFINE(HAVE_NEWS4, 1, [Define if you are on NEWS-OS (additions from openssh-3.2.2p1, for sshpty.c).]) |
| 277 |
;; |
| 278 |
*-*-sco3.2v4*) |
| 279 |
no_dev_ptmx=1 |
| 280 |
;; |
| 281 |
*-*-sco3.2v5*) |
| 282 |
no_dev_ptmx=1 |
| 283 |
;; |
| 284 |
esac |
| 285 |
|
| 286 |
if test -z "$no_dev_ptmx" ; then |
| 287 |
if test "x$disable_ptmx_check" != "xyes" ; then |
| 288 |
AC_CHECK_FILE([/dev/ptmx], |
| 289 |
[ |
| 290 |
AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX, 1, [Define if you have /dev/ptmx.]) |
| 291 |
have_dev_ptmx=1 |
| 292 |
] |
| 293 |
) |
| 294 |
fi |
| 295 |
fi |
| 296 |
AC_CHECK_FILE([/dev/ptc], |
| 297 |
[ |
| 298 |
AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC, 1, [Define if you have /dev/ptc.]) |
| 299 |
have_dev_ptc=1 |
| 300 |
] |
| 301 |
) |
| 302 |
|
| 303 |
dnl (end of code from openssh-3.2.2p1 configure.ac) |
| 304 |
|
| 305 |
|
| 306 |
dnl Select system-dependant source files. |
| 307 |
SERIALSRC=serial_unix.cpp |
| 308 |
ETHERSRC=../dummy/ether_dummy.cpp |
| 309 |
SCSISRC=../dummy/scsi_dummy.cpp |
| 310 |
AUDIOSRC=../dummy/audio_dummy.cpp |
| 311 |
EXTRASYSSRCS= |
| 312 |
CAN_NATIVE_M68K=no |
| 313 |
case "$target_os" in |
| 314 |
linux*) |
| 315 |
ETHERSRC=ether_unix.cpp |
| 316 |
AUDIOSRC=audio_oss_esd.cpp |
| 317 |
SCSISRC=Linux/scsi_linux.cpp |
| 318 |
;; |
| 319 |
freebsd*) |
| 320 |
ETHERSRC=ether_unix.cpp |
| 321 |
AUDIOSRC=audio_oss_esd.cpp |
| 322 |
DEFINES="$DEFINES -DBSD_COMP" |
| 323 |
CXXFLAGS="$CXXFLAGS -fpermissive" |
| 324 |
dnl Check for the CAM library |
| 325 |
AC_CHECK_LIB(cam, cam_open_btl, HAVE_LIBCAM=yes, HAVE_LIBCAM=no) |
| 326 |
if [[ "x$HAVE_LIBCAM" = "xno" ]]; then |
| 327 |
AC_MSG_WARN([Cannot find libcam for SCSI management, disabling SCSI support.]) |
| 328 |
else |
| 329 |
dnl Check for the sys kernel includes |
| 330 |
AC_CHECK_HEADER(camlib.h) |
| 331 |
if [[ "x$ac_cv_header_camlib_h" = "xno" ]]; then |
| 332 |
dnl In this case I should fix this thing including a "patch" |
| 333 |
dnl to access directly to the functions in the kernel :) --Orlando |
| 334 |
AC_MSG_WARN([Cannot find includes for CAM library, disabling SCSI support.]) |
| 335 |
else |
| 336 |
SCSISRC=FreeBSD/scsi_freebsd.cpp |
| 337 |
LIBS="$LIBS -lcam" |
| 338 |
DEFINES="$DEFINES -DCAM" |
| 339 |
fi |
| 340 |
fi |
| 341 |
;; |
| 342 |
netbsd*) |
| 343 |
CAN_NATIVE_M68K=yes |
| 344 |
;; |
| 345 |
solaris*) |
| 346 |
AUDIOSRC=Solaris/audio_solaris.cpp |
| 347 |
DEFINES="$DEFINES -DBSD_COMP -D_POSIX_PTHREAD_SEMANTICS" |
| 348 |
;; |
| 349 |
irix*) |
| 350 |
ETHERSRC=ether_unix.cpp |
| 351 |
AUDIOSRC=Irix/audio_irix.cpp |
| 352 |
EXTRASYSSRCS=Irix/unaligned.c |
| 353 |
dnl IRIX headers work fine, but somehow don't define or use "STDC_HEADERS" |
| 354 |
DEFINES="$DEFINES -DCRTSCTS=CNEW_RTSCTS -DB230400=B115200 -DSTDC_HEADERS" |
| 355 |
LIBS="$LIBS -laudio" |
| 356 |
WANT_ESD=no |
| 357 |
|
| 358 |
dnl Check if our compiler supports -Ofast (MIPSPro) |
| 359 |
HAVE_OFAST=no |
| 360 |
ocflags="$CFLAGS" |
| 361 |
CFLAGS=`echo $CFLAGS | sed -e 's/ -g / -Ofast /;s/^-g /-Ofast /;s/-g$/ -Ofast/;s/^-g$/-Ofast/'` |
| 362 |
AC_MSG_CHECKING(if "-Ofast" works) |
| 363 |
dnl Do a test compile of an empty function |
| 364 |
AC_TRY_COMPILE(,, [AC_MSG_RESULT(yes); HAVE_OFAST=yes], AC_MSG_RESULT(no)) |
| 365 |
CFLAGS="$ocflags" |
| 366 |
|
| 367 |
;; |
| 368 |
esac |
| 369 |
|
| 370 |
dnl Use 68k CPU natively? |
| 371 |
WANT_NATIVE_M68K=no |
| 372 |
if [[ "x$HAVE_M68K" = "xyes" -a "x$CAN_NATIVE_M68K" = "xyes" ]]; then |
| 373 |
AC_DEFINE(ENABLE_NATIVE_M68K, 1, [Define if using native 68k mode.]) |
| 374 |
WANT_NATIVE_M68K=yes |
| 375 |
fi |
| 376 |
|
| 377 |
if [[ "x$HAVE_PTHREADS" = "xno" ]]; then |
| 378 |
dnl Serial, ethernet and audio support needs pthreads |
| 379 |
AC_MSG_WARN([You don't have pthreads, disabling serial, ethernet and audio support.]) |
| 380 |
SERIALSRC=../dummy/serial_dummy.cpp |
| 381 |
ETHERSRC=../dummy/ether_dummy.cpp |
| 382 |
AUDIOSRC=../dummy/audio_dummy.cpp |
| 383 |
fi |
| 384 |
SYSSRCS="$SERIALSRC $ETHERSRC $SCSISRC $AUDIOSRC $SEMSRC $UISRCS $MONSRCS $EXTRASYSSRCS" |
| 385 |
|
| 386 |
dnl Define a macro that translates a yesno-variable into a C macro definition |
| 387 |
dnl to be put into the config.h file |
| 388 |
dnl $1 -- the macro to define |
| 389 |
dnl $2 -- the value to translate |
| 390 |
dnl $3 -- template name |
| 391 |
AC_DEFUN(AC_TRANSLATE_DEFINE, [ |
| 392 |
if [[ "x$2" = "xyes" -o "x$2" = "xguessing yes" ]]; then |
| 393 |
AC_DEFINE($1, 1, $3) |
| 394 |
fi |
| 395 |
]) |
| 396 |
|
| 397 |
dnl Various checks if the system supports vm_allocate() and the like functions. |
| 398 |
have_mach_vm=no |
| 399 |
if [[ "x$ac_cv_func_vm_allocate" = "xyes" -a "x$ac_cv_func_vm_deallocate" = "xyes" -a \ |
| 400 |
"x$ac_cv_func_vm_protect" = "xyes" ]]; then |
| 401 |
have_mach_vm=yes |
| 402 |
fi |
| 403 |
AC_TRANSLATE_DEFINE(HAVE_MACH_VM, "$have_mach_vm", |
| 404 |
[Define if your system has a working vm_allocate()-based memory allocator.]) |
| 405 |
|
| 406 |
dnl Check that vm_allocate(), vm_protect() work |
| 407 |
if [[ "x$have_mach_vm" = "xyes" ]]; then |
| 408 |
|
| 409 |
AC_CACHE_CHECK([whether vm_protect works], |
| 410 |
ac_cv_vm_protect_works, [ |
| 411 |
AC_LANG_SAVE |
| 412 |
AC_LANG_CPLUSPLUS |
| 413 |
ac_cv_vm_protect_works=yes |
| 414 |
dnl First the tests that should segfault |
| 415 |
for test_def in NONE_READ NONE_WRITE READ_WRITE; do |
| 416 |
AC_TRY_RUN([ |
| 417 |
#define CONFIGURE_TEST_VM_MAP |
| 418 |
#define TEST_VM_PROT_$test_def |
| 419 |
#include "vm_alloc.cpp" |
| 420 |
], ac_cv_vm_protect_works=no, rm -f core, |
| 421 |
dnl When cross-compiling, do not assume anything |
| 422 |
ac_cv_vm_protect_works="guessing no" |
| 423 |
) |
| 424 |
done |
| 425 |
AC_TRY_RUN([ |
| 426 |
#define CONFIGURE_TEST_VM_MAP |
| 427 |
#define TEST_VM_PROT_RDWR_WRITE |
| 428 |
#include "vm_alloc.cpp" |
| 429 |
], , ac_cv_vm_protect_works=no, |
| 430 |
dnl When cross-compiling, do not assume anything |
| 431 |
ac_cv_vm_protect_works="guessing no" |
| 432 |
) |
| 433 |
AC_LANG_RESTORE |
| 434 |
] |
| 435 |
) |
| 436 |
|
| 437 |
dnl Remove support for vm_allocate() if vm_protect() does not work |
| 438 |
if [[ "x$have_mach_vm" = "xyes" ]]; then |
| 439 |
case $ac_cv_vm_protect_works in |
| 440 |
*yes) have_mach_vm=yes;; |
| 441 |
*no) have_mach_vm=no;; |
| 442 |
esac |
| 443 |
fi |
| 444 |
AC_TRANSLATE_DEFINE(HAVE_MACH_VM, "$have_mach_vm", |
| 445 |
[Define if your system has a working vm_allocate()-based memory allocator.]) |
| 446 |
|
| 447 |
fi dnl HAVE_MACH_VM |
| 448 |
|
| 449 |
dnl Various checks if the system supports mmap() and the like functions. |
| 450 |
dnl ... and Mach memory allocators are not supported |
| 451 |
have_mmap_vm=no |
| 452 |
if [[ "x$ac_cv_func_mmap" = "xyes" -a "x$ac_cv_func_munmap" = "xyes" -a \ |
| 453 |
"x$ac_cv_func_mprotect" = "xyes" ]]; then |
| 454 |
if [[ "x$have_mach_vm" = "xno" ]]; then |
| 455 |
have_mmap_vm=yes |
| 456 |
fi |
| 457 |
fi |
| 458 |
AC_TRANSLATE_DEFINE(HAVE_MMAP_VM, "$have_mmap_vm", |
| 459 |
[Define if your system has a working mmap()-based memory allocator.]) |
| 460 |
|
| 461 |
dnl Check that mmap() and associated functions work. |
| 462 |
if [[ "x$have_mmap_vm" = "xyes" ]]; then |
| 463 |
|
| 464 |
dnl Check if we have a working anonymous mmap() |
| 465 |
AC_CACHE_CHECK([whether mmap supports MAP_ANON], |
| 466 |
ac_cv_mmap_anon, [ |
| 467 |
AC_LANG_SAVE |
| 468 |
AC_LANG_CPLUSPLUS |
| 469 |
AC_TRY_RUN([ |
| 470 |
#define HAVE_MMAP_ANON |
| 471 |
#define CONFIGURE_TEST_VM_MAP |
| 472 |
#define TEST_VM_MMAP_ANON |
| 473 |
#include "vm_alloc.cpp" |
| 474 |
], ac_cv_mmap_anon=yes, ac_cv_mmap_anon=no, |
| 475 |
dnl When cross-compiling, do not assume anything. |
| 476 |
ac_cv_mmap_anon="guessing no" |
| 477 |
) |
| 478 |
AC_LANG_RESTORE |
| 479 |
] |
| 480 |
) |
| 481 |
AC_TRANSLATE_DEFINE(HAVE_MMAP_ANON, "$ac_cv_mmap_anon", |
| 482 |
[Define if <sys/mman.h> defines MAP_ANON and mmap()'ing with MAP_ANON works.]) |
| 483 |
|
| 484 |
AC_CACHE_CHECK([whether mmap supports MAP_ANONYMOUS], |
| 485 |
ac_cv_mmap_anonymous, [ |
| 486 |
AC_LANG_SAVE |
| 487 |
AC_LANG_CPLUSPLUS |
| 488 |
AC_TRY_RUN([ |
| 489 |
#define HAVE_MMAP_ANONYMOUS |
| 490 |
#define CONFIGURE_TEST_VM_MAP |
| 491 |
#define TEST_VM_MMAP_ANON |
| 492 |
#include "vm_alloc.cpp" |
| 493 |
], ac_cv_mmap_anonymous=yes, ac_cv_mmap_anonymous=no, |
| 494 |
dnl When cross-compiling, do not assume anything. |
| 495 |
ac_cv_mmap_anonymous="guessing no" |
| 496 |
) |
| 497 |
AC_LANG_RESTORE |
| 498 |
] |
| 499 |
) |
| 500 |
AC_TRANSLATE_DEFINE(HAVE_MMAP_ANONYMOUS, "$ac_cv_mmap_anonymous", |
| 501 |
[Define if <sys/mman.h> defines MAP_ANONYMOUS and mmap()'ing with MAP_ANONYMOUS works.]) |
| 502 |
|
| 503 |
AC_CACHE_CHECK([whether mprotect works], |
| 504 |
ac_cv_mprotect_works, [ |
| 505 |
AC_LANG_SAVE |
| 506 |
AC_LANG_CPLUSPLUS |
| 507 |
ac_cv_mprotect_works=yes |
| 508 |
dnl First the tests that should segfault |
| 509 |
for test_def in NONE_READ NONE_WRITE READ_WRITE; do |
| 510 |
AC_TRY_RUN([ |
| 511 |
#define CONFIGURE_TEST_VM_MAP |
| 512 |
#define TEST_VM_PROT_$test_def |
| 513 |
#include "vm_alloc.cpp" |
| 514 |
], ac_cv_mprotect_works=no, rm -f core, |
| 515 |
dnl When cross-compiling, do not assume anything |
| 516 |
ac_cv_mprotect_works="guessing no" |
| 517 |
) |
| 518 |
done |
| 519 |
AC_TRY_RUN([ |
| 520 |
#define CONFIGURE_TEST_VM_MAP |
| 521 |
#define TEST_VM_PROT_RDWR_WRITE |
| 522 |
#include "vm_alloc.cpp" |
| 523 |
], , ac_cv_mprotect_works=no, |
| 524 |
dnl When cross-compiling, do not assume anything |
| 525 |
ac_cv_mprotect_works="guessing no" |
| 526 |
) |
| 527 |
AC_LANG_RESTORE |
| 528 |
] |
| 529 |
) |
| 530 |
|
| 531 |
dnl Remove support for mmap() if mprotect() does not work |
| 532 |
if [[ "x$have_mmap_vm" = "xyes" ]]; then |
| 533 |
case $ac_cv_mprotect_works in |
| 534 |
*yes) have_mmap_vm=yes;; |
| 535 |
*no) have_mmap_vm=no;; |
| 536 |
esac |
| 537 |
fi |
| 538 |
AC_TRANSLATE_DEFINE(HAVE_MMAP_VM, $have_mmap_vm, |
| 539 |
[Define if your system has a working mmap()-based memory allocator.]) |
| 540 |
|
| 541 |
fi dnl HAVE_MMAP_VM |
| 542 |
|
| 543 |
dnl Check if we can mmap 0x2000 bytes from 0x0000 |
| 544 |
AC_CACHE_CHECK([whether we can map Low Memory area 0x0000-0x2000], |
| 545 |
ac_cv_can_map_lm, [ |
| 546 |
AC_LANG_SAVE |
| 547 |
AC_LANG_CPLUSPLUS |
| 548 |
AC_TRY_RUN([ |
| 549 |
#include "vm_alloc.cpp" |
| 550 |
int main(void) { /* returns 0 if we could map the lowmem globals */ |
| 551 |
volatile char * lm; |
| 552 |
if (vm_init() < 0) exit(1); |
| 553 |
if ((lm = (volatile char *)vm_acquire_fixed(0, 0x2000)) == VM_MAP_FAILED) exit(1); |
| 554 |
lm[0] = 'z'; |
| 555 |
if (vm_release((char *)lm, 0x2000) < 0) exit(1); |
| 556 |
vm_exit(); exit(0); |
| 557 |
} |
| 558 |
], ac_cv_can_map_lm=yes, ac_cv_can_map_lm=no, |
| 559 |
dnl When cross-compiling, do not assume anything. |
| 560 |
ac_cv_can_map_lm="guessing no" |
| 561 |
) |
| 562 |
AC_LANG_RESTORE |
| 563 |
] |
| 564 |
) |
| 565 |
|
| 566 |
dnl Check signal handlers need to be reinstalled |
| 567 |
AC_CACHE_CHECK([whether signal handlers need to be reinstalled], |
| 568 |
ac_cv_signal_need_reinstall, [ |
| 569 |
AC_LANG_SAVE |
| 570 |
AC_LANG_CPLUSPLUS |
| 571 |
AC_TRY_RUN([ |
| 572 |
#include <stdlib.h> |
| 573 |
#ifdef HAVE_UNISTD_H |
| 574 |
#include <unistd.h> |
| 575 |
#endif |
| 576 |
#include <signal.h> |
| 577 |
static int handled_signal = 0; |
| 578 |
RETSIGTYPE sigusr1_handler(int) { handled_signal++; } |
| 579 |
int main(void) { /* returns 0 if signals need not to be reinstalled */ |
| 580 |
signal(SIGUSR1, sigusr1_handler); raise(SIGUSR1); raise(SIGUSR1); |
| 581 |
exit(handled_signal == 2); |
| 582 |
} |
| 583 |
], ac_cv_signal_need_reinstall=yes, ac_cv_signal_need_reinstall=no, |
| 584 |
dnl When cross-compiling, do not assume anything. |
| 585 |
ac_cv_signal_need_reinstall="guessing yes" |
| 586 |
) |
| 587 |
AC_LANG_RESTORE |
| 588 |
] |
| 589 |
) |
| 590 |
AC_TRANSLATE_DEFINE(SIGNAL_NEED_REINSTALL, "$ac_cv_signal_need_reinstall", |
| 591 |
[Define if your system requires signals to be reinstalled.]) |
| 592 |
|
| 593 |
dnl Check if sigaction handlers need to be reinstalled |
| 594 |
AC_CACHE_CHECK([whether sigaction handlers need to be reinstalled], |
| 595 |
ac_cv_sigaction_need_reinstall, [ |
| 596 |
AC_LANG_SAVE |
| 597 |
AC_LANG_CPLUSPLUS |
| 598 |
AC_TRY_RUN([ |
| 599 |
#include <stdlib.h> |
| 600 |
#ifdef HAVE_UNISTD_H |
| 601 |
#include <unistd.h> |
| 602 |
#endif |
| 603 |
#include <signal.h> |
| 604 |
static int handled_signal = 0; |
| 605 |
RETSIGTYPE sigusr1_handler(int) { handled_signal++; } |
| 606 |
typedef RETSIGTYPE (*signal_handler)(int); |
| 607 |
static signal_handler mysignal(int sig, signal_handler handler) { |
| 608 |
struct sigaction old_sa; |
| 609 |
struct sigaction new_sa; |
| 610 |
new_sa.sa_handler = handler; |
| 611 |
return ((sigaction(sig,&new_sa,&old_sa) < 0) ? SIG_IGN : old_sa.sa_handler); |
| 612 |
} |
| 613 |
int main(void) { /* returns 0 if signals need not to be reinstalled */ |
| 614 |
mysignal(SIGUSR1, sigusr1_handler); raise(SIGUSR1); raise(SIGUSR1); |
| 615 |
exit(handled_signal == 2); |
| 616 |
} |
| 617 |
], ac_cv_sigaction_need_reinstall=yes, ac_cv_sigaction_need_reinstall=no, |
| 618 |
dnl When cross-compiling, do not assume anything. |
| 619 |
ac_cv_sigaction_need_reinstall="guessing yes" |
| 620 |
) |
| 621 |
AC_LANG_RESTORE |
| 622 |
] |
| 623 |
) |
| 624 |
AC_TRANSLATE_DEFINE(SIGACTION_NEED_REINSTALL, "$ac_cv_sigaction_need_reinstall", |
| 625 |
[Define if your system requires sigactions to be reinstalled.]) |
| 626 |
|
| 627 |
dnl Check if extended signals are supported. |
| 628 |
AC_CACHE_CHECK([whether your system supports extended signal handlers], |
| 629 |
ac_cv_have_extended_signals, [ |
| 630 |
AC_LANG_SAVE |
| 631 |
AC_LANG_CPLUSPLUS |
| 632 |
AC_TRY_RUN([ |
| 633 |
#define HAVE_SIGINFO_T 1 |
| 634 |
#define CONFIGURE_TEST_SIGSEGV_RECOVERY |
| 635 |
#include "vm_alloc.cpp" |
| 636 |
#include "sigsegv.cpp" |
| 637 |
], ac_cv_have_extended_signals=yes, ac_cv_have_extended_signals=no, |
| 638 |
dnl When cross-compiling, do not assume anything. |
| 639 |
ac_cv_have_extended_signals=no |
| 640 |
) |
| 641 |
AC_LANG_RESTORE |
| 642 |
] |
| 643 |
) |
| 644 |
AC_TRANSLATE_DEFINE(HAVE_SIGINFO_T, "$ac_cv_have_extended_signals", |
| 645 |
[Define if your system support extended signals.]) |
| 646 |
|
| 647 |
dnl Otherwise, check for subterfuges. |
| 648 |
if [[ "x$ac_cv_have_extended_signals" = "xno" ]]; then |
| 649 |
AC_CACHE_CHECK([whether we then have a subterfuge for your system], |
| 650 |
ac_cv_have_sigcontext_hack, [ |
| 651 |
AC_LANG_SAVE |
| 652 |
AC_LANG_CPLUSPLUS |
| 653 |
AC_TRY_RUN([ |
| 654 |
#define HAVE_SIGCONTEXT_SUBTERFUGE 1 |
| 655 |
#define CONFIGURE_TEST_SIGSEGV_RECOVERY |
| 656 |
#include "vm_alloc.cpp" |
| 657 |
#include "sigsegv.cpp" |
| 658 |
], ac_cv_have_sigcontext_hack=yes, ac_cv_have_sigcontext_hack=no, |
| 659 |
dnl When cross-compiling, do not assume anything. |
| 660 |
ac_cv_have_sigcontext_hack=no |
| 661 |
) |
| 662 |
AC_LANG_RESTORE |
| 663 |
]) |
| 664 |
AC_TRANSLATE_DEFINE(HAVE_SIGCONTEXT_SUBTERFUGE, "$ac_cv_have_sigcontext_hack", |
| 665 |
[Define if we know a hack to replace siginfo_t->si_addr member.]) |
| 666 |
fi |
| 667 |
|
| 668 |
dnl Check if we can ignore the fault (instruction skipping in SIGSEGV handler) |
| 669 |
AC_CACHE_CHECK([whether we can skip instruction in SIGSEGV handler], |
| 670 |
ac_cv_have_skip_instruction, [ |
| 671 |
AC_LANG_SAVE |
| 672 |
AC_LANG_CPLUSPLUS |
| 673 |
AC_TRY_RUN([ |
| 674 |
#define HAVE_SIGSEGV_SKIP_INSTRUCTION 1 |
| 675 |
#define CONFIGURE_TEST_SIGSEGV_RECOVERY |
| 676 |
#include "vm_alloc.cpp" |
| 677 |
#include "sigsegv.cpp" |
| 678 |
], ac_cv_have_skip_instruction=yes, ac_cv_have_skip_instruction=no, |
| 679 |
dnl When cross-compiling, do not assume anything. |
| 680 |
ac_cv_have_skip_instruction=no |
| 681 |
) |
| 682 |
AC_LANG_RESTORE |
| 683 |
] |
| 684 |
) |
| 685 |
AC_TRANSLATE_DEFINE(HAVE_SIGSEGV_SKIP_INSTRUCTION, "$ac_cv_have_skip_instruction", |
| 686 |
[Define if we can ignore the fault (instruction skipping in SIGSEGV handler).]) |
| 687 |
|
| 688 |
dnl Can we do Video on SEGV Signals ? |
| 689 |
CAN_VOSF=no |
| 690 |
if [[ "$ac_cv_have_extended_signals" = "yes" -o "$ac_cv_have_sigcontext_hack" = "yes" ]]; then |
| 691 |
CAN_VOSF=yes |
| 692 |
fi |
| 693 |
|
| 694 |
dnl Determine the addressing mode to use |
| 695 |
if [[ "x$WANT_NATIVE_M68K" = "xyes" ]]; then |
| 696 |
ADDRESSING_MODE="real" |
| 697 |
else |
| 698 |
ADDRESSING_MODE="" |
| 699 |
AC_MSG_CHECKING([for the addressing mode to use]) |
| 700 |
for am in $ADDRESSING_TEST_ORDER; do |
| 701 |
case $am in |
| 702 |
real) |
| 703 |
dnl Requires ability to mmap() Low Memory globals |
| 704 |
if [[ "x$ac_cv_can_map_lm" = "xno" ]]; then |
| 705 |
continue |
| 706 |
fi |
| 707 |
dnl Requires VOSF screen updates |
| 708 |
if [[ "x$CAN_VOSF" = "xno" ]]; then |
| 709 |
continue |
| 710 |
fi |
| 711 |
dnl Real addressing will probably work. |
| 712 |
ADDRESSING_MODE="real" |
| 713 |
WANT_VOSF=yes dnl we can use VOSF and we need it actually |
| 714 |
DEFINES="$DEFINES -DREAL_ADDRESSING" |
| 715 |
break |
| 716 |
;; |
| 717 |
direct) |
| 718 |
dnl Requires VOSF screen updates |
| 719 |
if [[ "x$CAN_VOSF" = "xyes" ]]; then |
| 720 |
ADDRESSING_MODE="direct" |
| 721 |
WANT_VOSF=yes dnl we can use VOSF and we need it actually |
| 722 |
DEFINES="$DEFINES -DDIRECT_ADDRESSING" |
| 723 |
break |
| 724 |
fi |
| 725 |
;; |
| 726 |
banks) |
| 727 |
dnl Default addressing mode |
| 728 |
ADDRESSING_MODE="memory banks" |
| 729 |
break |
| 730 |
;; |
| 731 |
*) |
| 732 |
AC_MSG_ERROR([Internal configure.in script error for $am addressing mode]) |
| 733 |
esac |
| 734 |
done |
| 735 |
AC_MSG_RESULT($ADDRESSING_MODE) |
| 736 |
if [[ "x$ADDRESSING_MODE" = "x" ]]; then |
| 737 |
AC_MSG_WARN([Sorry, no suitable addressing mode in $ADDRESSING_TEST_ORDER]) |
| 738 |
ADDRESSING_MODE="memory banks" |
| 739 |
fi |
| 740 |
fi |
| 741 |
|
| 742 |
dnl Enable VOSF screen updates with this feature is requested and feasible |
| 743 |
if [[ "x$WANT_VOSF" = "xyes" -a "x$CAN_VOSF" = "xyes" ]]; then |
| 744 |
AC_DEFINE(ENABLE_VOSF, 1, [Define if using video enabled on SEGV signals.]) |
| 745 |
else |
| 746 |
WANT_VOSF=no |
| 747 |
fi |
| 748 |
|
| 749 |
dnl Check for GAS. |
| 750 |
HAVE_GAS=no |
| 751 |
AC_MSG_CHECKING(for GAS .p2align feature) |
| 752 |
cat >conftest.S << EOF |
| 753 |
.text |
| 754 |
.p2align 5 |
| 755 |
EOF |
| 756 |
if $CC conftest.S -c -o conftest.o >/dev/null 2>&1 ; then HAVE_GAS=yes; fi |
| 757 |
AC_MSG_RESULT($HAVE_GAS) |
| 758 |
|
| 759 |
dnl Check for GCC 2.7 or higher. |
| 760 |
HAVE_GCC27=no |
| 761 |
AC_MSG_CHECKING(for GCC 2.7 or higher) |
| 762 |
AC_EGREP_CPP(yes, |
| 763 |
[#if __GNUC__ - 1 > 1 || __GNUC_MINOR__ - 1 > 5 |
| 764 |
yes |
| 765 |
#endif |
| 766 |
], [AC_MSG_RESULT(yes); HAVE_GCC27=yes], AC_MSG_RESULT(no)) |
| 767 |
|
| 768 |
dnl Check for GCC 3.0 or higher. |
| 769 |
HAVE_GCC30=no |
| 770 |
AC_MSG_CHECKING(for GCC 3.0 or higher) |
| 771 |
AC_EGREP_CPP(yes, |
| 772 |
[#if __GNUC__ >= 3 |
| 773 |
yes |
| 774 |
#endif |
| 775 |
], [AC_MSG_RESULT(yes); HAVE_GCC30=yes], AC_MSG_RESULT(no)) |
| 776 |
|
| 777 |
dnl Set "-fomit-frame-pointer" on i386 GCC 2.7 or higher. |
| 778 |
dnl Also set "-fno-exceptions" for C++ because exception handling requires |
| 779 |
dnl the frame pointer. |
| 780 |
if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" ]]; then |
| 781 |
CFLAGS="$CFLAGS -fomit-frame-pointer" |
| 782 |
CXXFLAGS="$CXXFLAGS -fomit-frame-pointer -fno-exceptions" |
| 783 |
fi |
| 784 |
|
| 785 |
dnl (gb) Do not merge constants since it breaks fpu/fpu_x86.cpp. |
| 786 |
dnl As of 2001/08/02, this affects the following compilers: |
| 787 |
dnl Official: probably gcc-3.1 (mainline CVS) |
| 788 |
dnl Mandrake: gcc-2.96 >= 0.59mdk, gcc-3.0.1 >= 0.1mdk |
| 789 |
dnl Red Hat : gcc-2.96 >= 89, gcc-3.0 >= 1 |
| 790 |
if [[ "x$HAVE_GCC27" = "xyes" ]]; then |
| 791 |
SAVED_CXXFLAGS="$CXXFLAGS" |
| 792 |
CXXFLAGS="$CXXFLAGS -fno-merge-constants" |
| 793 |
AC_CACHE_CHECK([whether GCC supports constants merging], ac_cv_gcc_constants_merging, [ |
| 794 |
AC_LANG_SAVE |
| 795 |
AC_LANG_CPLUSPLUS |
| 796 |
AC_TRY_COMPILE([],[],[ac_cv_gcc_constants_merging=yes],[ac_cv_gcc_constants_merging=no]) |
| 797 |
AC_LANG_RESTORE |
| 798 |
]) |
| 799 |
if [[ "x$ac_cv_gcc_constants_merging" != "xyes" ]]; then |
| 800 |
CXXFLAGS="$SAVED_CXXFLAGS" |
| 801 |
fi |
| 802 |
fi |
| 803 |
|
| 804 |
dnl Select appropriate CPU source and REGPARAM define. |
| 805 |
ASM_OPTIMIZATIONS=none |
| 806 |
CPUSRCS="cpuemu1.cpp cpuemu2.cpp cpuemu3.cpp cpuemu4.cpp cpuemu5.cpp cpuemu6.cpp cpuemu7.cpp cpuemu8.cpp" |
| 807 |
if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" -a "x$OS_TYPE" != "xfreebsd" ]]; then |
| 808 |
dnl i386 CPU |
| 809 |
DEFINES="$DEFINES -DREGPARAM=\"__attribute__((regparm(3)))\"" |
| 810 |
if [[ "x$HAVE_GAS" = "xyes" ]]; then |
| 811 |
ASM_OPTIMIZATIONS=i386 |
| 812 |
DEFINES="$DEFINES -DX86_ASSEMBLY -DUNALIGNED_PROFITABLE -DOPTIMIZED_FLAGS" |
| 813 |
CPUSRCS="cpufast1.s cpufast2.s cpufast3.s cpufast4.s cpufast5.s cpufast6.s cpufast7.s cpufast8.s" |
| 814 |
fi |
| 815 |
elif [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_SPARC" = "xyes" -a "x$HAVE_GAS" = "xyes" ]]; then |
| 816 |
dnl SPARC CPU |
| 817 |
case "$target_os" in |
| 818 |
solaris*) |
| 819 |
AC_MSG_CHECKING(SPARC CPU architecture) |
| 820 |
SPARC_TYPE=`Solaris/which_sparc` |
| 821 |
AC_MSG_RESULT($SPARC_TYPE) |
| 822 |
case "$SPARC_TYPE" in |
| 823 |
SPARC_V8) |
| 824 |
ASM_OPTIMIZATIONS="SPARC V8 architecture" |
| 825 |
DEFINES="$DEFINES -DSPARC_V8_ASSEMBLY" dnl -DOPTIMIZED_FLAGS" |
| 826 |
CFLAGS="$CFLAGS -Wa,-Av8" |
| 827 |
CXXFLAGS="$CXXFLAGS -Wa,-Av8" |
| 828 |
;; |
| 829 |
SPARC_V9) |
| 830 |
ASM_OPTIMIZATIONS="SPARC V9 architecture" |
| 831 |
DEFINES="$DEFINES -DSPARC_V9_ASSEMBLY" dnl -DOPTIMIZED_FLAGS" |
| 832 |
CFLAGS="$CFLAGS -Wa,-Av9" |
| 833 |
CXXFLAGS="$CXXFLAGS -Wa,-Av9" |
| 834 |
;; |
| 835 |
esac |
| 836 |
;; |
| 837 |
esac |
| 838 |
elif [[ "x$WANT_NATIVE_M68K" = "xyes" ]]; then |
| 839 |
dnl Native m68k, no emulation |
| 840 |
CPUINCLUDES="-I../native_cpu" |
| 841 |
CPUSRCS="asm_support.s" |
| 842 |
fi |
| 843 |
|
| 844 |
dnl Utility macro used by next two tests. |
| 845 |
dnl AC_EXAMINE_OBJECT(C source code, |
| 846 |
dnl commands examining object file, |
| 847 |
dnl [commands to run if compile failed]): |
| 848 |
dnl |
| 849 |
dnl Compile the source code to an object file; then convert it into a |
| 850 |
dnl printable representation. All unprintable characters and |
| 851 |
dnl asterisks (*) are replaced by dots (.). All white space is |
| 852 |
dnl deleted. Newlines (ASCII 0x10) in the input are preserved in the |
| 853 |
dnl output, but runs of newlines are compressed to a single newline. |
| 854 |
dnl Finally, line breaks are forcibly inserted so that no line is |
| 855 |
dnl longer than 80 columns and the file ends with a newline. The |
| 856 |
dnl result of all this processing is in the file conftest.dmp, which |
| 857 |
dnl may be examined by the commands in the second argument. |
| 858 |
dnl |
| 859 |
AC_DEFUN([gcc_AC_EXAMINE_OBJECT], |
| 860 |
[AC_LANG_SAVE |
| 861 |
AC_LANG_C |
| 862 |
dnl Next bit cribbed from AC_TRY_COMPILE. |
| 863 |
cat > conftest.$ac_ext <<EOF |
| 864 |
[#line __oline__ "configure" |
| 865 |
#include "confdefs.h" |
| 866 |
$1 |
| 867 |
]EOF |
| 868 |
if AC_TRY_EVAL(ac_compile); then |
| 869 |
od -c conftest.o | |
| 870 |
sed ['s/^[0-7]*[ ]*/ / |
| 871 |
s/\*/./g |
| 872 |
s/ \\n/*/g |
| 873 |
s/ [0-9][0-9][0-9]/./g |
| 874 |
s/ \\[^ ]/./g'] | |
| 875 |
tr -d ' |
| 876 |
' | tr -s '*' ' |
| 877 |
' | fold | sed '$a\ |
| 878 |
' > conftest.dmp |
| 879 |
$2 |
| 880 |
ifelse($3, , , else |
| 881 |
$3 |
| 882 |
)dnl |
| 883 |
fi |
| 884 |
rm -rf conftest* |
| 885 |
AC_LANG_RESTORE]) |
| 886 |
|
| 887 |
dnl Floating point format probe. |
| 888 |
dnl The basic concept is the same as the above: grep the object |
| 889 |
dnl file for an interesting string. We have to watch out for |
| 890 |
dnl rounding changing the values in the object, however; this is |
| 891 |
dnl handled by ignoring the least significant byte of the float. |
| 892 |
dnl |
| 893 |
dnl Does not know about VAX G-float or C4x idiosyncratic format. |
| 894 |
dnl It does know about PDP-10 idiosyncratic format, but this is |
| 895 |
dnl not presently supported by GCC. S/390 "binary floating point" |
| 896 |
dnl is in fact IEEE (but maybe we should have that in EBCDIC as well |
| 897 |
dnl as ASCII?) |
| 898 |
dnl |
| 899 |
AC_DEFUN([gcc_AC_C_FLOAT_FORMAT], |
| 900 |
[AC_CACHE_CHECK(floating point format, ac_cv_c_float_format, |
| 901 |
[gcc_AC_EXAMINE_OBJECT( |
| 902 |
[/* This will not work unless sizeof(double) == 8. */ |
| 903 |
extern char sizeof_double_must_be_8 [sizeof(double) == 8 ? 1 : -1]; |
| 904 |
|
| 905 |
/* This structure must have no internal padding. */ |
| 906 |
struct possibility { |
| 907 |
char prefix[8]; |
| 908 |
double candidate; |
| 909 |
char postfix[8]; |
| 910 |
}; |
| 911 |
|
| 912 |
#define C(cand) { "\nformat:", cand, ":tamrof\n" } |
| 913 |
struct possibility table [] = |
| 914 |
{ |
| 915 |
C( 3.25724264705901305206e+01), /* @@IEEEFP - IEEE 754 */ |
| 916 |
C( 3.53802595280598432000e+18), /* D__float - VAX */ |
| 917 |
C( 5.32201830133125317057e-19), /* D.PDP-10 - PDP-10 - the dot is 0x13a */ |
| 918 |
C( 1.77977764695171661377e+10), /* IBMHEXFP - s/390 format, ascii */ |
| 919 |
C(-5.22995989424860458374e+10) /* IBMHEXFP - s/390 format, EBCDIC */ |
| 920 |
};], |
| 921 |
[if grep 'format:.@IEEEF.:tamrof' conftest.dmp >/dev/null 2>&1; then |
| 922 |
ac_cv_c_float_format='IEEE (big-endian)' |
| 923 |
elif grep 'format:.I@@PFE.:tamrof' conftest.dmp >/dev/null 2>&1; then |
| 924 |
ac_cv_c_float_format='IEEE (big-endian)' |
| 925 |
elif grep 'format:.FEEEI@.:tamrof' conftest.dmp >/dev/null 2>&1; then |
| 926 |
ac_cv_c_float_format='IEEE (little-endian)' |
| 927 |
elif grep 'format:.EFP@@I.:tamrof' conftest.dmp >/dev/null 2>&1; then |
| 928 |
ac_cv_c_float_format='IEEE (little-endian)' |
| 929 |
elif grep 'format:.__floa.:tamrof' conftest.dmp >/dev/null 2>&1; then |
| 930 |
ac_cv_c_float_format='VAX D-float' |
| 931 |
elif grep 'format:..PDP-1.:tamrof' conftest.dmp >/dev/null 2>&1; then |
| 932 |
ac_cv_c_float_format='PDP-10' |
| 933 |
elif grep 'format:.BMHEXF.:tamrof' conftest.dmp >/dev/null 2>&1; then |
| 934 |
ac_cv_c_float_format='IBM 370 hex' |
| 935 |
else |
| 936 |
AC_MSG_ERROR(Unknown floating point format) |
| 937 |
fi], |
| 938 |
[AC_MSG_ERROR(compile failed)]) |
| 939 |
]) |
| 940 |
# IEEE is the default format. If the float endianness isn't the same |
| 941 |
# as the integer endianness, we have to set FLOAT_WORDS_BIG_ENDIAN |
| 942 |
# (which is a tristate: yes, no, default). This is only an issue with |
| 943 |
# IEEE; the other formats are only supported by a few machines each, |
| 944 |
# all with the same endianness. |
| 945 |
format=IEEE_FLOAT_FORMAT |
| 946 |
fbigend= |
| 947 |
case $ac_cv_c_float_format in |
| 948 |
'IEEE (big-endian)' ) |
| 949 |
if test $ac_cv_c_bigendian = no; then |
| 950 |
fbigend=1 |
| 951 |
fi |
| 952 |
;; |
| 953 |
'IEEE (little-endian)' ) |
| 954 |
if test $ac_cv_c_bigendian = yes; then |
| 955 |
fbigend=0 |
| 956 |
fi |
| 957 |
;; |
| 958 |
'VAX D-float' ) |
| 959 |
format=VAX_FLOAT_FORMAT |
| 960 |
;; |
| 961 |
'PDP-10' ) |
| 962 |
format=PDP10_FLOAT_FORMAT |
| 963 |
;; |
| 964 |
'IBM 370 hex' ) |
| 965 |
format=IBM_FLOAT_FORMAT |
| 966 |
;; |
| 967 |
esac |
| 968 |
AC_DEFINE_UNQUOTED(HOST_FLOAT_FORMAT, $format, |
| 969 |
[Define to the floating point format of the host machine.]) |
| 970 |
if test -n "$fbigend"; then |
| 971 |
AC_DEFINE_UNQUOTED(HOST_FLOAT_WORDS_BIG_ENDIAN, $fbigend, |
| 972 |
[Define to 1 if the host machine stores floating point numbers in |
| 973 |
memory with the word containing the sign bit at the lowest address, |
| 974 |
or to 0 if it does it the other way around. |
| 975 |
|
| 976 |
This macro should not be defined if the ordering is the same as for |
| 977 |
multi-word integers.]) |
| 978 |
fi |
| 979 |
]) |
| 980 |
|
| 981 |
dnl Select appropriate FPU source. |
| 982 |
gcc_AC_C_FLOAT_FORMAT |
| 983 |
AC_CHECK_HEADERS(ieee754.h ieeefp.h floatingpoint.h nan.h) |
| 984 |
|
| 985 |
for fpe in $FPE_CORE_TEST_ORDER; do |
| 986 |
case $fpe in |
| 987 |
ieee) |
| 988 |
if echo "$ac_cv_c_float_format" | grep -q IEEE; then |
| 989 |
FPE_CORE="IEEE fpu core" |
| 990 |
DEFINES="$DEFINES -DFPU_IEEE" |
| 991 |
FPUSRCS="../uae_cpu/fpu/fpu_ieee.cpp" |
| 992 |
break |
| 993 |
fi |
| 994 |
;; |
| 995 |
x86) |
| 996 |
if [[ ":$HAVE_GCC27:$HAVE_I386:$HAVE_GAS:" = ":yes:yes:yes:" ]]; then |
| 997 |
FPE_CORE="i387 fpu core" |
| 998 |
DEFINES="$DEFINES -DFPU_X86" |
| 999 |
FPUSRCS="../uae_cpu/fpu/fpu_x86.cpp" |
| 1000 |
break |
| 1001 |
fi |
| 1002 |
;; |
| 1003 |
uae) |
| 1004 |
FPE_CORE="uae fpu core" |
| 1005 |
DEFINES="$DEFINES -DFPU_UAE" |
| 1006 |
FPUSRCS="../uae_cpu/fpu/fpu_uae.cpp" |
| 1007 |
break |
| 1008 |
;; |
| 1009 |
*) |
| 1010 |
AC_MSG_ERROR([Internal configure.in script error for $fpe fpu core]) |
| 1011 |
;; |
| 1012 |
esac |
| 1013 |
done |
| 1014 |
if [[ "x$FPE_CORE" = "x" ]]; then |
| 1015 |
AC_MSG_ERROR([Sorry, no suitable FPU core found in $FPE_CORE_TEST_ORDER]) |
| 1016 |
fi |
| 1017 |
|
| 1018 |
dnl Check for certain math functions |
| 1019 |
AC_CHECK_FUNCS(atanh) |
| 1020 |
AC_CHECK_FUNCS(isnan isinf) dnl C99 |
| 1021 |
AC_CHECK_FUNCS(isnanl isinfl) dnl IEEE ? |
| 1022 |
|
| 1023 |
dnl UAE CPU sources for all non-m68k-native architectures. |
| 1024 |
if [[ "x$WANT_NATIVE_M68K" = "xno" ]]; then |
| 1025 |
CPUINCLUDES="-I../uae_cpu" |
| 1026 |
CPUSRCS="../uae_cpu/basilisk_glue.cpp ../uae_cpu/memory.cpp ../uae_cpu/newcpu.cpp ../uae_cpu/readcpu.cpp $FPUSRCS cpustbl.cpp cpudefs.cpp $CPUSRCS" |
| 1027 |
fi |
| 1028 |
|
| 1029 |
dnl Remove the "-g" option if set for GCC. |
| 1030 |
if [[ "x$HAVE_GCC27" = "xyes" ]]; then |
| 1031 |
CFLAGS=`echo $CFLAGS | sed -e 's/-g//g'` |
| 1032 |
CXXFLAGS=`echo $CXXFLAGS | sed -e 's/-g//g'` |
| 1033 |
fi |
| 1034 |
|
| 1035 |
dnl Or if we have -Ofast |
| 1036 |
if [[ "x$HAVE_OFAST" = "xyes" ]]; then |
| 1037 |
CFLAGS="`echo $CFLAGS | sed -e 's/-g//g'` -Ofast" |
| 1038 |
CXXFLAGS="`echo $CXXFLAGS | sed -e 's/-g//g'` -Ofast" |
| 1039 |
CXXFLAGS="-LANG:std $CXXFLAGS" |
| 1040 |
LDFLAGS="$LDFLAGS -ipa" |
| 1041 |
fi |
| 1042 |
|
| 1043 |
dnl Generate Makefile. |
| 1044 |
AC_SUBST(DEFINES) |
| 1045 |
AC_SUBST(SYSSRCS) |
| 1046 |
AC_SUBST(CPUINCLUDES) |
| 1047 |
AC_SUBST(CPUSRCS) |
| 1048 |
AC_OUTPUT(Makefile) |
| 1049 |
|
| 1050 |
dnl Print summary. |
| 1051 |
echo |
| 1052 |
echo Basilisk II configuration summary: |
| 1053 |
echo |
| 1054 |
echo XFree86 DGA support .................... : $WANT_XF86_DGA |
| 1055 |
echo XFree86 VidMode support ................ : $WANT_XF86_VIDMODE |
| 1056 |
echo fbdev DGA support ...................... : $WANT_FBDEV_DGA |
| 1057 |
echo Enable video on SEGV signals ........... : $WANT_VOSF |
| 1058 |
echo ESD sound support ...................... : $WANT_ESD |
| 1059 |
echo GTK user interface ..................... : $WANT_GTK |
| 1060 |
echo mon debugger support ................... : $WANT_MON |
| 1061 |
echo Running m68k code natively ............. : $WANT_NATIVE_M68K |
| 1062 |
echo Floating-Point emulation core .......... : $FPE_CORE |
| 1063 |
echo Assembly optimizations ................. : $ASM_OPTIMIZATIONS |
| 1064 |
echo Addressing mode ........................ : $ADDRESSING_MODE |
| 1065 |
echo |
| 1066 |
echo "Configuration done. Now type \"make\" (or \"gmake\")." |
