| 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_windows.cpp) |
| 6 |
AC_CONFIG_AUX_DIR(../Unix) |
| 7 |
AC_PREREQ(2.52) |
| 8 |
AC_CONFIG_HEADER(config.h) |
| 9 |
|
| 10 |
dnl Aliases for PACKAGE and VERSION macros. |
| 11 |
AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE_NAME", [Define this program name.]) |
| 12 |
AC_DEFINE_UNQUOTED(VERSION, "$PACKAGE_VERSION", [Define this program version.]) |
| 13 |
|
| 14 |
dnl SDL options. |
| 15 |
AC_ARG_ENABLE(sdl-static, [ --enable-sdl-static use SDL static libraries for linking [default=no]], [WANT_SDL_STATIC=$enableval], [WANT_SDL_STATIC=no]) |
| 16 |
|
| 17 |
dnl JIT compiler options. |
| 18 |
AC_ARG_ENABLE(jit-compiler, [ --enable-jit-compiler enable JIT compiler [default=yes]], [WANT_JIT=$enableval], [WANT_JIT=yes]) |
| 19 |
AC_ARG_ENABLE(jit-debug, [ --enable-jit-debug activate native code disassemblers [default=no]], [WANT_JIT_DEBUG=$enableval], [WANT_JIT_DEBUG=no]) |
| 20 |
|
| 21 |
dnl FPU emulation core. |
| 22 |
AC_ARG_ENABLE(fpe, |
| 23 |
[ --enable-fpe=FPE specify which fpu emulator to use [default=auto]], |
| 24 |
[ case "$enableval" in |
| 25 |
dnl default is always ieee, if architecture has this fp format |
| 26 |
auto) FPE_CORE_TEST_ORDER="ieee uae";; |
| 27 |
ieee) FPE_CORE_TEST_ORDER="ieee";; |
| 28 |
uae) FPE_CORE_TEST_ORDER="uae";; |
| 29 |
x86) FPE_CORE_TEST_ORDER="x86";; |
| 30 |
*) AC_MSG_ERROR([--enable-fpe takes only one of the following values: auto, x86, ieee, uae]);; |
| 31 |
esac |
| 32 |
], |
| 33 |
[ FPE_CORE_TEST_ORDER="ieee uae" |
| 34 |
]) |
| 35 |
|
| 36 |
dnl External packages. |
| 37 |
AC_ARG_WITH(gtk, [ --with-gtk use GTK user interface [default=yes]], [WANT_GTK=$withval], [WANT_GTK=yes]) |
| 38 |
|
| 39 |
dnl Addressing modes. |
| 40 |
AC_ARG_ENABLE(addressing, |
| 41 |
[ --enable-addressing=AM specify the addressing mode to use [default=fastest]], |
| 42 |
[ case "$enableval" in |
| 43 |
direct) ADDRESSING_TEST_ORDER="direct";; |
| 44 |
banks) ADDRESSING_TEST_ORDER="banks";; |
| 45 |
fastest)ADDRESSING_TEST_ORDER="direct banks";; |
| 46 |
*) AC_MSG_ERROR([--enable-addressing takes only one of the following values: fastest, direct, banks]);; |
| 47 |
esac |
| 48 |
], |
| 49 |
[ ADDRESSING_TEST_ORDER="direct banks" |
| 50 |
]) |
| 51 |
|
| 52 |
dnl Canonical system information. |
| 53 |
AC_CANONICAL_HOST |
| 54 |
AC_CANONICAL_TARGET |
| 55 |
|
| 56 |
dnl Target CPU type. |
| 57 |
HAVE_I386=no |
| 58 |
HAVE_POWERPC=no |
| 59 |
HAVE_X86_64=no |
| 60 |
case "$target_cpu" in |
| 61 |
i386* | i486* | i586* | i686* | i786* ) HAVE_I386=yes;; |
| 62 |
powerpc* ) HAVE_POWERPC=yes;; |
| 63 |
x86_64* ) HAVE_X86_64=yes;; |
| 64 |
esac |
| 65 |
|
| 66 |
dnl Checks for programs. |
| 67 |
AC_PROG_CC |
| 68 |
AC_PROG_CC_C_O |
| 69 |
AC_PROG_CPP |
| 70 |
AC_PROG_CXX |
| 71 |
AC_PROG_MAKE_SET |
| 72 |
AC_PROG_EGREP |
| 73 |
AC_PROG_LN_S |
| 74 |
AC_CHECK_TOOL(WINDRES, windres) |
| 75 |
|
| 76 |
dnl We use GTK+ if possible. |
| 77 |
if [[ "x$WANT_GTK" = "xyes" ]]; then |
| 78 |
AM_PATH_GTK_2_0(1.3.15, [], [ |
| 79 |
AC_MSG_WARN([Could not find GTK+ 2.0, disabling user interface.]) |
| 80 |
WANT_GTK=no |
| 81 |
]) |
| 82 |
fi |
| 83 |
AC_SUBST(WANT_GTK) |
| 84 |
|
| 85 |
dnl We use 64-bit file size support if possible. |
| 86 |
AC_SYS_LARGEFILE |
| 87 |
|
| 88 |
dnl Checks for header files. |
| 89 |
AC_HEADER_STDC |
| 90 |
|
| 91 |
dnl Checks for typedefs, structures, and compiler characteristics. |
| 92 |
AC_C_BIGENDIAN |
| 93 |
AC_C_CONST |
| 94 |
AC_C_INLINE |
| 95 |
AC_CHECK_SIZEOF(short, 2) |
| 96 |
AC_CHECK_SIZEOF(int, 4) |
| 97 |
AC_CHECK_SIZEOF(long, 4) |
| 98 |
AC_CHECK_SIZEOF(long long, 8) |
| 99 |
AC_CHECK_SIZEOF(float, 4) |
| 100 |
AC_CHECK_SIZEOF(double, 8) |
| 101 |
AC_CHECK_SIZEOF(long double, 12) |
| 102 |
AC_CHECK_SIZEOF(void *, 4) |
| 103 |
AC_TYPE_OFF_T |
| 104 |
AC_CHECK_TYPES(loff_t) |
| 105 |
AC_CHECK_TYPES(caddr_t) |
| 106 |
AC_TYPE_SIZE_T |
| 107 |
|
| 108 |
dnl Checks for library functions. |
| 109 |
AC_CHECK_FUNCS(strdup strerror) |
| 110 |
|
| 111 |
dnl Define a macro that translates a yesno-variable into a C macro definition |
| 112 |
dnl to be put into the config.h file |
| 113 |
dnl $1 -- the macro to define |
| 114 |
dnl $2 -- the value to translate |
| 115 |
dnl $3 -- template name |
| 116 |
AC_DEFUN([AC_TRANSLATE_DEFINE], [ |
| 117 |
if [[ "x$2" = "xyes" -o "x$2" = "xguessing yes" ]]; then |
| 118 |
AC_DEFINE($1, 1, $3) |
| 119 |
fi |
| 120 |
]) |
| 121 |
|
| 122 |
dnl Check that VirtualAlloc(), VirtualProtect() work |
| 123 |
AC_CACHE_CHECK([whether VirtualProtect works], |
| 124 |
ac_cv_VirtualProtect_works, [ |
| 125 |
AC_LANG_SAVE |
| 126 |
AC_LANG_CPLUSPLUS |
| 127 |
ac_cv_VirtualProtect_works=yes |
| 128 |
dnl First the tests that should segfault |
| 129 |
for test_def in NONE_READ NONE_WRITE READ_WRITE; do |
| 130 |
AC_TRY_RUN([ |
| 131 |
#define HAVE_WIN32_VM 1 |
| 132 |
#define CONFIGURE_TEST_VM_MAP |
| 133 |
#define TEST_VM_PROT_$test_def |
| 134 |
#include "../Unix/vm_alloc.cpp" |
| 135 |
], ac_cv_VirtualProtect_works=no, rm -f core, |
| 136 |
dnl When cross-compiling, assume it works |
| 137 |
ac_cv_VirtualProtect_works="yes" |
| 138 |
) |
| 139 |
done |
| 140 |
AC_TRY_RUN([ |
| 141 |
#define HAVE_WIN32_VM 1 |
| 142 |
#define CONFIGURE_TEST_VM_MAP |
| 143 |
#define TEST_VM_PROT_RDWR_WRITE |
| 144 |
#include "../Unix/vm_alloc.cpp" |
| 145 |
], , ac_cv_VirtualProtect_works=no, |
| 146 |
dnl When cross-compiling, assume it works |
| 147 |
ac_cv_VirtualProtect_works="yes" |
| 148 |
) |
| 149 |
AC_LANG_RESTORE |
| 150 |
] |
| 151 |
) |
| 152 |
if [[ "x$ac_cv_VirtualProtect_works" = "xyes" ]]; then |
| 153 |
AC_DEFINE(HAVE_WIN32_VM, 1, [Define if your system has a working Win32-based memory allocator.]) |
| 154 |
else |
| 155 |
AC_MSG_ERROR([Sorry, Windows VM functions don't work as expected on your system.]) |
| 156 |
fi |
| 157 |
|
| 158 |
dnl Check if Windows exceptions are supported. |
| 159 |
AC_CACHE_CHECK([whether your system supports Windows exceptions], |
| 160 |
ac_cv_have_win32_exceptions, [ |
| 161 |
AC_LANG_SAVE |
| 162 |
AC_LANG_CPLUSPLUS |
| 163 |
AC_TRY_RUN([ |
| 164 |
#define HAVE_WIN32_EXCEPTIONS 1 |
| 165 |
#define CONFIGURE_TEST_SIGSEGV_RECOVERY |
| 166 |
#include "../Unix/vm_alloc.cpp" |
| 167 |
#include "../Unix/sigsegv.cpp" |
| 168 |
], |
| 169 |
ac_cv_have_win32_exceptions=yes, |
| 170 |
ac_cv_have_win32_exceptions=no, |
| 171 |
dnl When cross-compiling, assume it works |
| 172 |
ac_cv_have_win32_exceptions="yes" |
| 173 |
) |
| 174 |
AC_LANG_RESTORE |
| 175 |
] |
| 176 |
) |
| 177 |
if [[ "x$ac_cv_have_win32_exceptions" = "xyes" ]]; then |
| 178 |
AC_DEFINE(HAVE_WIN32_EXCEPTIONS, 1, [Define if your system supports Windows exceptions.]) |
| 179 |
else |
| 180 |
AC_MSG_ERROR([Sorry, Windows exceptions don't work as expected on your system.]) |
| 181 |
fi |
| 182 |
|
| 183 |
dnl Check if we can ignore the fault (instruction skipping in SIGSEGV handler) |
| 184 |
AC_CACHE_CHECK([whether we can skip instruction in SIGSEGV handler], |
| 185 |
ac_cv_have_skip_instruction, [ |
| 186 |
AC_LANG_SAVE |
| 187 |
AC_LANG_CPLUSPLUS |
| 188 |
AC_TRY_RUN([ |
| 189 |
#define HAVE_SIGSEGV_SKIP_INSTRUCTION 1 |
| 190 |
#define CONFIGURE_TEST_SIGSEGV_RECOVERY |
| 191 |
#include "../Unix/vm_alloc.cpp" |
| 192 |
#include "../Unix/sigsegv.cpp" |
| 193 |
], ac_cv_have_skip_instruction=yes, ac_cv_have_skip_instruction=no, |
| 194 |
dnl When cross-compiling, do not assume anything. |
| 195 |
ac_cv_have_skip_instruction=no |
| 196 |
) |
| 197 |
AC_LANG_RESTORE |
| 198 |
] |
| 199 |
) |
| 200 |
AC_TRANSLATE_DEFINE(HAVE_SIGSEGV_SKIP_INSTRUCTION, "$ac_cv_have_skip_instruction", |
| 201 |
[Define if we can ignore the fault (instruction skipping in SIGSEGV handler).]) |
| 202 |
|
| 203 |
dnl We really want VOSF (Video on SEGV Signals) screen updates acceleration |
| 204 |
AC_DEFINE(ENABLE_VOSF, 1, [Define if using video enabled on SEGV signals.]) |
| 205 |
|
| 206 |
dnl Determine the addressing mode to use |
| 207 |
ADDRESSING_MODE="" |
| 208 |
AC_MSG_CHECKING([for the addressing mode to use]) |
| 209 |
for am in $ADDRESSING_TEST_ORDER; do |
| 210 |
case $am in |
| 211 |
direct) |
| 212 |
dnl Direct addressing mode (constant offset) |
| 213 |
ADDRESSING_MODE="direct" |
| 214 |
DEFINES="$DEFINES -DDIRECT_ADDRESSING" |
| 215 |
break |
| 216 |
;; |
| 217 |
banks) |
| 218 |
dnl Default addressing mode |
| 219 |
ADDRESSING_MODE="memory banks" |
| 220 |
break |
| 221 |
;; |
| 222 |
*) |
| 223 |
AC_MSG_ERROR([Internal configure.ac script error for $am addressing mode]) |
| 224 |
esac |
| 225 |
done |
| 226 |
AC_MSG_RESULT($ADDRESSING_MODE) |
| 227 |
if [[ "x$ADDRESSING_MODE" = "x" ]]; then |
| 228 |
AC_MSG_WARN([Sorry, no suitable addressing mode in $ADDRESSING_TEST_ORDER]) |
| 229 |
ADDRESSING_MODE="memory banks" |
| 230 |
fi |
| 231 |
|
| 232 |
dnl Banked Memory Addressing mode is not supported by the JIT compiler |
| 233 |
if [[ "x$WANT_JIT" = "xyes" -a "x$ADDRESSING_MODE" = "xmemory banks" ]]; then |
| 234 |
AC_MSG_ERROR([Sorry, the JIT Compiler requires Direct Addressing, at least]) |
| 235 |
fi |
| 236 |
|
| 237 |
dnl Check for GAS. |
| 238 |
HAVE_GAS=no |
| 239 |
AC_MSG_CHECKING(for GAS .p2align feature) |
| 240 |
cat >conftest.S << EOF |
| 241 |
.text |
| 242 |
.p2align 5 |
| 243 |
EOF |
| 244 |
if $CC conftest.S -c -o conftest.o >/dev/null 2>&1 ; then HAVE_GAS=yes; fi |
| 245 |
AC_MSG_RESULT($HAVE_GAS) |
| 246 |
|
| 247 |
dnl Check for GCC 2.7 or higher. |
| 248 |
HAVE_GCC27=no |
| 249 |
AC_MSG_CHECKING(for GCC 2.7 or higher) |
| 250 |
AC_EGREP_CPP(xyes, |
| 251 |
[#if __GNUC__ - 1 > 1 || __GNUC_MINOR__ - 1 > 5 |
| 252 |
xyes |
| 253 |
#endif |
| 254 |
], [AC_MSG_RESULT(yes); HAVE_GCC27=yes], AC_MSG_RESULT(no)) |
| 255 |
|
| 256 |
dnl Check for GCC 3.0 or higher. |
| 257 |
HAVE_GCC30=no |
| 258 |
AC_MSG_CHECKING(for GCC 3.0 or higher) |
| 259 |
AC_EGREP_CPP(xyes, |
| 260 |
[#if __GNUC__ >= 3 |
| 261 |
xyes |
| 262 |
#endif |
| 263 |
], [AC_MSG_RESULT(yes); HAVE_GCC30=yes], AC_MSG_RESULT(no)) |
| 264 |
|
| 265 |
dnl Add -fno-strict-aliasing for slirp sources |
| 266 |
if [[ "x$HAVE_GCC30" = "xyes" ]]; then |
| 267 |
SAVED_CFLAGS="$CFLAGS" |
| 268 |
CFLAGS="$CFLAGS -fno-strict-aliasing" |
| 269 |
AC_CACHE_CHECK([whether the compiler supports -fno-strict-aliasing], |
| 270 |
ac_cv_gcc_no_strict_aliasing, [ |
| 271 |
AC_TRY_COMPILE([],[], |
| 272 |
[ac_cv_gcc_no_strict_aliasing=yes; AC_SUBST(SLIRP_CFLAGS, "-fno-strict-aliasing")], |
| 273 |
[ac_cv_gcc_no_strict_aliasing=no]) |
| 274 |
]) |
| 275 |
CFLAGS="$SAVED_CFLAGS" |
| 276 |
fi |
| 277 |
|
| 278 |
dnl Select appropriate CPU source and REGPARAM define. |
| 279 |
ASM_OPTIMIZATIONS=none |
| 280 |
CPUSRCS="cpuemu1.cpp cpuemu2.cpp cpuemu3.cpp cpuemu4.cpp cpuemu5.cpp cpuemu6.cpp cpuemu7.cpp cpuemu8.cpp" |
| 281 |
|
| 282 |
dnl JITSRCS will be emptied later if the JIT is not available |
| 283 |
dnl Other platforms should define their own set of noflags file variants |
| 284 |
CAN_JIT=no |
| 285 |
JITSRCS="compemu1.cpp compemu2.cpp compemu3.cpp compemu4.cpp compemu5.cpp compemu6.cpp compemu7.cpp compemu8.cpp" |
| 286 |
|
| 287 |
if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" ]]; then |
| 288 |
dnl i386 CPU |
| 289 |
DEFINES="$DEFINES -DUNALIGNED_PROFITABLE -DREGPARAM=\"__attribute__((regparm(3)))\"" |
| 290 |
if [[ "x$HAVE_GAS" = "xyes" ]]; then |
| 291 |
ASM_OPTIMIZATIONS=i386 |
| 292 |
DEFINES="$DEFINES -DX86_ASSEMBLY -DOPTIMIZED_FLAGS -DSAHF_SETO_PROFITABLE" |
| 293 |
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 $JITSRCS" |
| 294 |
CAN_JIT=yes |
| 295 |
fi |
| 296 |
elif [[ "x$HAVE_GCC30" = "xyes" -a "x$HAVE_X86_64" = "xyes" ]]; then |
| 297 |
dnl x86-64 CPU |
| 298 |
DEFINES="$DEFINES -DUNALIGNED_PROFITABLE" |
| 299 |
if [[ "x$HAVE_GAS" = "xyes" ]]; then |
| 300 |
ASM_OPTIMIZATIONS="x86-64" |
| 301 |
DEFINES="$DEFINES -DX86_64_ASSEMBLY -DOPTIMIZED_FLAGS" |
| 302 |
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 $JITSRCS" |
| 303 |
CAN_JIT=yes |
| 304 |
WANT_33BIT_ADDRESSING=yes |
| 305 |
fi |
| 306 |
fi |
| 307 |
|
| 308 |
dnl Enable JIT compiler, if possible. |
| 309 |
if [[ "x$WANT_JIT" = "xyes" -a "x$CAN_JIT" ]]; then |
| 310 |
JITSRCS="$JITSRCS ../uae_cpu/compiler/compemu_support.cpp ../uae_cpu/compiler/compemu_fpp.cpp compstbl.o cpustbl_nf.o" |
| 311 |
DEFINES="$DEFINES -DUSE_JIT -DUSE_JIT_FPU" |
| 312 |
|
| 313 |
if [[ "x$WANT_JIT_DEBUG" = "xyes" ]]; then |
| 314 |
if [[ "x$WANT_MON" = "xyes" ]]; then |
| 315 |
DEFINES="$DEFINES -DJIT_DEBUG=1" |
| 316 |
else |
| 317 |
AC_MSG_WARN([cxmon not found, ignoring --enable-jit-debug]) |
| 318 |
WANT_JIT_DEBUG=no |
| 319 |
fi |
| 320 |
fi |
| 321 |
|
| 322 |
dnl IEEE core is the only FPU emulator to use with the JIT compiler |
| 323 |
case $FPE_CORE_TEST_ORDER in |
| 324 |
ieee*) ;; |
| 325 |
*) AC_MSG_WARN([Forcing use of the IEEE FPU core, as the JIT compiler supports only this one.]) ;; |
| 326 |
esac |
| 327 |
FPE_CORE_TEST_ORDER="ieee" |
| 328 |
else |
| 329 |
WANT_JIT=no |
| 330 |
WANT_JIT_DEBUG=no |
| 331 |
JITSRCS="" |
| 332 |
fi |
| 333 |
|
| 334 |
dnl Utility macro used by next two tests. |
| 335 |
dnl AC_EXAMINE_OBJECT(C source code, |
| 336 |
dnl commands examining object file, |
| 337 |
dnl [commands to run if compile failed]): |
| 338 |
dnl |
| 339 |
dnl Compile the source code to an object file; then convert it into a |
| 340 |
dnl printable representation. All unprintable characters and |
| 341 |
dnl asterisks (*) are replaced by dots (.). All white space is |
| 342 |
dnl deleted. Newlines (ASCII 0x10) in the input are preserved in the |
| 343 |
dnl output, but runs of newlines are compressed to a single newline. |
| 344 |
dnl Finally, line breaks are forcibly inserted so that no line is |
| 345 |
dnl longer than 80 columns and the file ends with a newline. The |
| 346 |
dnl result of all this processing is in the file conftest.dmp, which |
| 347 |
dnl may be examined by the commands in the second argument. |
| 348 |
dnl |
| 349 |
AC_DEFUN([gcc_AC_EXAMINE_OBJECT], |
| 350 |
[AC_LANG_SAVE |
| 351 |
AC_LANG_C |
| 352 |
dnl Next bit cribbed from AC_TRY_COMPILE. |
| 353 |
cat > conftest.$ac_ext <<EOF |
| 354 |
[#line __oline__ "configure" |
| 355 |
#include "confdefs.h" |
| 356 |
$1 |
| 357 |
]EOF |
| 358 |
if AC_TRY_EVAL(ac_compile); then |
| 359 |
od -c conftest.o | |
| 360 |
sed ['s/^[0-7]*[ ]*/ / |
| 361 |
s/\*/./g |
| 362 |
s/ \\n/*/g |
| 363 |
s/ [0-9][0-9][0-9]/./g |
| 364 |
s/ \\[^ ]/./g'] | |
| 365 |
tr -d ' |
| 366 |
' | tr -s '*' ' |
| 367 |
' | fold | sed '$a\ |
| 368 |
' > conftest.dmp |
| 369 |
$2 |
| 370 |
ifelse($3, , , else |
| 371 |
$3 |
| 372 |
)dnl |
| 373 |
fi |
| 374 |
rm -rf conftest* |
| 375 |
AC_LANG_RESTORE]) |
| 376 |
|
| 377 |
dnl Floating point format probe. |
| 378 |
dnl The basic concept is the same as the above: grep the object |
| 379 |
dnl file for an interesting string. We have to watch out for |
| 380 |
dnl rounding changing the values in the object, however; this is |
| 381 |
dnl handled by ignoring the least significant byte of the float. |
| 382 |
dnl |
| 383 |
dnl Does not know about VAX G-float or C4x idiosyncratic format. |
| 384 |
dnl It does know about PDP-10 idiosyncratic format, but this is |
| 385 |
dnl not presently supported by GCC. S/390 "binary floating point" |
| 386 |
dnl is in fact IEEE (but maybe we should have that in EBCDIC as well |
| 387 |
dnl as ASCII?) |
| 388 |
dnl |
| 389 |
AC_DEFUN([gcc_AC_C_FLOAT_FORMAT], |
| 390 |
[AC_CACHE_CHECK(floating point format, ac_cv_c_float_format, |
| 391 |
[gcc_AC_EXAMINE_OBJECT( |
| 392 |
[/* This will not work unless sizeof(double) == 8. */ |
| 393 |
extern char sizeof_double_must_be_8 [sizeof(double) == 8 ? 1 : -1]; |
| 394 |
|
| 395 |
/* This structure must have no internal padding. */ |
| 396 |
struct possibility { |
| 397 |
char prefix[8]; |
| 398 |
double candidate; |
| 399 |
char postfix[8]; |
| 400 |
}; |
| 401 |
|
| 402 |
#define C(cand) { "\nformat:", cand, ":tamrof\n" } |
| 403 |
struct possibility table [] = |
| 404 |
{ |
| 405 |
C( 3.25724264705901305206e+01), /* @@IEEEFP - IEEE 754 */ |
| 406 |
C( 3.53802595280598432000e+18), /* D__float - VAX */ |
| 407 |
C( 5.32201830133125317057e-19), /* D.PDP-10 - PDP-10 - the dot is 0x13a */ |
| 408 |
C( 1.77977764695171661377e+10), /* IBMHEXFP - s/390 format, ascii */ |
| 409 |
C(-5.22995989424860458374e+10) /* IBMHEXFP - s/390 format, EBCDIC */ |
| 410 |
};], |
| 411 |
[if grep 'format:.@IEEEF.:tamrof' conftest.dmp >/dev/null 2>&1; then |
| 412 |
ac_cv_c_float_format='IEEE (big-endian)' |
| 413 |
elif grep 'format:.I@@PFE.:tamrof' conftest.dmp >/dev/null 2>&1; then |
| 414 |
ac_cv_c_float_format='IEEE (big-endian)' |
| 415 |
elif grep 'format:.FEEEI@.:tamrof' conftest.dmp >/dev/null 2>&1; then |
| 416 |
ac_cv_c_float_format='IEEE (little-endian)' |
| 417 |
elif grep 'format:.EFP@@I.:tamrof' conftest.dmp >/dev/null 2>&1; then |
| 418 |
ac_cv_c_float_format='IEEE (little-endian)' |
| 419 |
elif grep 'format:.__floa.:tamrof' conftest.dmp >/dev/null 2>&1; then |
| 420 |
ac_cv_c_float_format='VAX D-float' |
| 421 |
elif grep 'format:..PDP-1.:tamrof' conftest.dmp >/dev/null 2>&1; then |
| 422 |
ac_cv_c_float_format='PDP-10' |
| 423 |
elif grep 'format:.BMHEXF.:tamrof' conftest.dmp >/dev/null 2>&1; then |
| 424 |
ac_cv_c_float_format='IBM 370 hex' |
| 425 |
else |
| 426 |
AC_MSG_ERROR(Unknown floating point format) |
| 427 |
fi], |
| 428 |
[AC_MSG_ERROR(compile failed)]) |
| 429 |
]) |
| 430 |
# IEEE is the default format. If the float endianness isn't the same |
| 431 |
# as the integer endianness, we have to set FLOAT_WORDS_BIG_ENDIAN |
| 432 |
# (which is a tristate: yes, no, default). This is only an issue with |
| 433 |
# IEEE; the other formats are only supported by a few machines each, |
| 434 |
# all with the same endianness. |
| 435 |
format=IEEE_FLOAT_FORMAT |
| 436 |
fbigend= |
| 437 |
case $ac_cv_c_float_format in |
| 438 |
'IEEE (big-endian)' ) |
| 439 |
if test $ac_cv_c_bigendian = no; then |
| 440 |
fbigend=1 |
| 441 |
fi |
| 442 |
;; |
| 443 |
'IEEE (little-endian)' ) |
| 444 |
if test $ac_cv_c_bigendian = yes; then |
| 445 |
fbigend=0 |
| 446 |
fi |
| 447 |
;; |
| 448 |
'VAX D-float' ) |
| 449 |
format=VAX_FLOAT_FORMAT |
| 450 |
;; |
| 451 |
'PDP-10' ) |
| 452 |
format=PDP10_FLOAT_FORMAT |
| 453 |
;; |
| 454 |
'IBM 370 hex' ) |
| 455 |
format=IBM_FLOAT_FORMAT |
| 456 |
;; |
| 457 |
esac |
| 458 |
AC_DEFINE_UNQUOTED(HOST_FLOAT_FORMAT, $format, |
| 459 |
[Define to the floating point format of the host machine.]) |
| 460 |
if test -n "$fbigend"; then |
| 461 |
AC_DEFINE_UNQUOTED(HOST_FLOAT_WORDS_BIG_ENDIAN, $fbigend, |
| 462 |
[Define to 1 if the host machine stores floating point numbers in |
| 463 |
memory with the word containing the sign bit at the lowest address, |
| 464 |
or to 0 if it does it the other way around. |
| 465 |
|
| 466 |
This macro should not be defined if the ordering is the same as for |
| 467 |
multi-word integers.]) |
| 468 |
fi |
| 469 |
]) |
| 470 |
|
| 471 |
dnl Select appropriate FPU source. |
| 472 |
gcc_AC_C_FLOAT_FORMAT |
| 473 |
AC_CHECK_HEADERS(ieee754.h ieeefp.h floatingpoint.h nan.h) |
| 474 |
|
| 475 |
for fpe in $FPE_CORE_TEST_ORDER; do |
| 476 |
case $fpe in |
| 477 |
ieee) |
| 478 |
case $ac_cv_c_float_format in |
| 479 |
IEEE*) |
| 480 |
FPE_CORE="IEEE fpu core" |
| 481 |
DEFINES="$DEFINES -DFPU_IEEE" |
| 482 |
FPUSRCS="../uae_cpu/fpu/fpu_ieee.cpp" |
| 483 |
dnl Math functions not mandated by C99 standard |
| 484 |
AC_CHECK_FUNCS(isnanl isinfl) |
| 485 |
dnl Math functions required by C99 standard, but probably not |
| 486 |
dnl implemented everywhere. In that case, we fall back to the |
| 487 |
dnl regular variant for doubles. |
| 488 |
AC_CHECK_FUNCS(logl log10l expl powl fabsl sqrtl) |
| 489 |
AC_CHECK_FUNCS(sinl cosl tanl sinhl coshl tanhl) |
| 490 |
AC_CHECK_FUNCS(asinl acosl atanl asinhl acoshl atanhl) |
| 491 |
AC_CHECK_FUNCS(floorl ceill) |
| 492 |
break |
| 493 |
;; |
| 494 |
esac |
| 495 |
;; |
| 496 |
x86) |
| 497 |
if [[ ":$HAVE_GCC27:$HAVE_I386:$HAVE_GAS:" = ":yes:yes:yes:" ]]; then |
| 498 |
FPE_CORE="i387 fpu core" |
| 499 |
DEFINES="$DEFINES -DFPU_X86" |
| 500 |
FPUSRCS="../uae_cpu/fpu/fpu_x86.cpp" |
| 501 |
break |
| 502 |
fi |
| 503 |
;; |
| 504 |
uae) |
| 505 |
FPE_CORE="uae fpu core" |
| 506 |
DEFINES="$DEFINES -DFPU_UAE" |
| 507 |
FPUSRCS="../uae_cpu/fpu/fpu_uae.cpp" |
| 508 |
break |
| 509 |
;; |
| 510 |
*) |
| 511 |
AC_MSG_ERROR([Internal configure.in script error for $fpe fpu core]) |
| 512 |
;; |
| 513 |
esac |
| 514 |
done |
| 515 |
if [[ "x$FPE_CORE" = "x" ]]; then |
| 516 |
AC_MSG_ERROR([Sorry, no suitable FPU core found in $FPE_CORE_TEST_ORDER]) |
| 517 |
fi |
| 518 |
|
| 519 |
dnl Check for certain math functions |
| 520 |
AC_CHECK_FUNCS(atanh) |
| 521 |
AC_CHECK_FUNCS(isnan isinf finite isnormal signbit) |
| 522 |
|
| 523 |
dnl UAE CPU sources for all non-m68k-native architectures. |
| 524 |
CPUINCLUDES="-I../uae_cpu" |
| 525 |
CPUSRCS="../uae_cpu/basilisk_glue.cpp ../uae_cpu/memory.cpp ../uae_cpu/newcpu.cpp ../uae_cpu/readcpu.cpp $FPUSRCS cpustbl.cpp cpudefs.cpp $CPUSRCS $JITSRCS" |
| 526 |
|
| 527 |
dnl We really want SDL for now |
| 528 |
AC_CHECK_TOOL(sdl_config, sdl-config, [AC_MSG_ERROR([Sorry, you currently need SDL for this port])]) |
| 529 |
SDL_CFLAGS=`$sdl_config --cflags` |
| 530 |
AC_SUBST(SDL_CFLAGS) |
| 531 |
if [[ "x$WANT_SDL_STATIC" = "xyes" ]]; then |
| 532 |
SDL_LIBS=`$sdl_config --static-libs` |
| 533 |
sdl_prefix=`$sdl_config --exec-prefix` |
| 534 |
if [[ -n "$sdl_prefix" ]]; then |
| 535 |
SDL_LIBS=`echo "$SDL_LIBS" | sed -e "s,-l\(SDLmain\|SDL\),$sdl_prefix/lib/lib\1.a,g"` |
| 536 |
fi |
| 537 |
SDL_LIBS="$SDL_LIBS -lwinmm" |
| 538 |
else |
| 539 |
SDL_LIBS=`$sdl_config --libs` |
| 540 |
fi |
| 541 |
AC_SUBST(SDL_LIBS) |
| 542 |
AC_DEFINE(USE_SDL, 1, [Define to enble SDL support]) |
| 543 |
AC_DEFINE(USE_SDL_VIDEO, 1, [Define to enable SDL video graphics support]) |
| 544 |
AC_DEFINE(USE_SDL_AUDIO, 1, [Define to enable SDL audio support]) |
| 545 |
|
| 546 |
dnl Remove the "-g" option if set for GCC. |
| 547 |
if [[ "x$HAVE_GCC27" = "xyes" ]]; then |
| 548 |
CFLAGS=`echo $CFLAGS | sed -e 's/-g\b//g'` |
| 549 |
CXXFLAGS=`echo $CXXFLAGS | sed -e 's/-g\b//g'` |
| 550 |
fi |
| 551 |
|
| 552 |
dnl Generate Makefile. |
| 553 |
AC_SUBST(DEFINES) |
| 554 |
AC_SUBST(CPUINCLUDES) |
| 555 |
AC_SUBST(CPUSRCS) |
| 556 |
AC_CONFIG_FILES([Makefile]) |
| 557 |
AC_OUTPUT |
| 558 |
|
| 559 |
dnl Print summary. |
| 560 |
echo |
| 561 |
echo Basilisk II configuration summary: |
| 562 |
echo |
| 563 |
echo Use JIT compiler ....................... : $WANT_JIT |
| 564 |
echo JIT debug mode ......................... : $WANT_JIT_DEBUG |
| 565 |
echo Floating-Point emulation core .......... : $FPE_CORE |
| 566 |
echo Assembly optimizations ................. : $ASM_OPTIMIZATIONS |
| 567 |
echo Addressing mode ........................ : $ADDRESSING_MODE |
| 568 |
echo GTK user interface ..................... : $WANT_GTK |
| 569 |
echo |
| 570 |
echo "Configuration done. Now type \"make\" (or \"gmake\")." |
