2 |
dnl |
dnl |
3 |
dnl Autoconf script for XviD |
dnl Autoconf script for XviD |
4 |
dnl |
dnl |
5 |
dnl Copyright(C) 2003 Edouard Gomez <ed.gomez@free.fr> |
dnl Copyright(C) 2003-2004 Edouard Gomez <ed.gomez@free.fr> |
6 |
dnl |
dnl |
7 |
dnl ========================================================================== |
dnl ========================================================================== |
8 |
|
|
9 |
AC_INIT([XviD], [1.0.0 rc3], [xvid-devel@xvid.org]) |
AC_PREREQ([2.50]) |
10 |
|
|
11 |
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AC_INIT([XviD], [1.1.0-alpha], [xvid-devel@xvid.org]) |
12 |
AC_CONFIG_SRCDIR(configure.in) |
AC_CONFIG_SRCDIR(configure.in) |
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|
14 |
dnl Do not forget to increase that when needed. |
dnl Do not forget to increase that when needed. |
15 |
API_MAJOR="4" |
API_MAJOR="4" |
16 |
API_MINOR="0" |
API_MINOR="1" |
17 |
|
|
18 |
dnl NASM version requirement |
dnl NASM version requirement |
19 |
minimum_nasm_patch_version=34 |
minimum_nasm_patch_version=34 |
20 |
nasm_prog="nasm" |
nasm_prog="nasm" |
21 |
|
yasm_prog="yasm" |
22 |
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|
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dnl Default CFLAGS -- Big impact on overall speed |
dnl Default CFLAGS -- Big impact on overall speed |
24 |
our_cflags_defaults="-Wall" |
our_cflags_defaults="-Wall" |
163 |
AC_MSG_RESULT(ia32) |
AC_MSG_RESULT(ia32) |
164 |
ARCHITECTURE="IA32" |
ARCHITECTURE="IA32" |
165 |
;; |
;; |
166 |
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x86_64) |
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AC_MSG_RESULT(x86_64) |
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ARCHITECTURE="X86_64" |
169 |
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;; |
170 |
powerpc) |
powerpc) |
171 |
AC_MSG_RESULT(PowerPC) |
AC_MSG_RESULT(PowerPC) |
172 |
dnl ATM the ppc port is out of date |
ARCHITECTURE="PPC" |
|
dnl ARCHITECTURE="PPC" |
|
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ARCHITECTURE="GENERIC" |
|
173 |
;; |
;; |
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ia64) |
ia64) |
175 |
AC_MSG_RESULT(ia64) |
AC_MSG_RESULT(ia64) |
330 |
dnl IA32 |
dnl IA32 |
331 |
dnl |
dnl |
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|
333 |
if test "$ARCHITECTURE" = "IA32" ; then |
if test "$ARCHITECTURE" = "IA32" -o "$ARCHITECTURE" = "X86_64" ; then |
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|
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dnl |
dnl |
336 |
dnl Checking nasm existence |
dnl Checking for nasm compatible programs |
337 |
|
dnl yasm is preferred over nasm, because... i can use it |
338 |
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dnl to profile assembly code ;-) |
339 |
dnl |
dnl |
340 |
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|
341 |
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found_nasm_comp_prog="no" |
342 |
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chosen_asm_prog="" |
343 |
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344 |
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dnl Check for yasm first |
345 |
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AC_CHECK_PROG([ac_yasm], [$yasm_prog], [yes], [no], , [yes]) |
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if test "$ac_yasm" = "yes" ; then |
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found_nasm_comp_prog="yes" |
348 |
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chosen_asm_prog="$yasm_prog" |
349 |
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fi |
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351 |
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dnl if yasm hasn't been found, then check for nasm (not buggy version) |
352 |
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if test "$found_nasm_comp_prog" = "no" -a "$ARCHITECTURE" != "X86_64" ; then |
353 |
AC_CHECK_PROG([ac_nasm], [$nasm_prog], [yes], [no], , [yes]) |
AC_CHECK_PROG([ac_nasm], [$nasm_prog], [yes], [no], , [yes]) |
354 |
if test "$ac_nasm" = "yes" ; then |
if test "$ac_nasm" = "yes" ; then |
|
|
|
355 |
dnl |
dnl |
356 |
dnl Checking nasm patch version |
dnl Checking nasm patch version |
357 |
dnl |
dnl |
358 |
AC_MSG_CHECKING([for nasm patch version]) |
AC_MSG_CHECKING([for nasm patch version]) |
359 |
nasm_patch=`nasm -r | cut -d '.' -f 3 | cut -d ' ' -f 1` |
nasm_patch=`$nasm_prog -r | cut -d '.' -f 3 | cut -d ' ' -f 1` |
360 |
if test -z $nasm_patch ; then |
if test -z $nasm_patch ; then |
361 |
nasm_patch=-1 |
nasm_patch=-1 |
362 |
fi |
fi |
364 |
|
|
365 |
|
|
366 |
if test "$nasm_patch" -lt "$minimum_nasm_patch_version" ; then |
if test "$nasm_patch" -lt "$minimum_nasm_patch_version" ; then |
367 |
AC_MSG_WARN([nasm patch version too old - Compiling generic sources only]) |
AC_MSG_WARN([nasm patch version is too old]) |
|
ARCHITECTURE="GENERIC" |
|
368 |
else |
else |
369 |
|
found_nasm_comp_prog="yes" |
370 |
|
chosen_asm_prog="$nasm_prog" |
371 |
|
fi |
372 |
|
fi |
373 |
|
fi |
374 |
|
|
375 |
dnl |
dnl |
376 |
dnl Checking nasm format - win32 or elf |
dnl Ok now sort what object format we must use |
377 |
dnl |
dnl |
378 |
AC_MSG_CHECKING([for nasm object format]) |
if test "$found_nasm_comp_prog" = "yes" ; then |
379 |
|
AC_MSG_CHECKING([for asm object format]) |
380 |
case "$target_os" in |
case "$target_os" in |
381 |
*bsd*|linux*|beos|irix*|solaris*) |
*bsd*|linux*|beos|irix*|solaris*) |
382 |
AC_MSG_RESULT([elf]) |
AC_MSG_RESULT([elf]) |
383 |
NASM_FORMAT="elf" |
NASM_FORMAT="elf" |
384 |
|
MARK_FUNCS="-DMARK_FUNCS" |
385 |
PREFIX="" |
PREFIX="" |
386 |
;; |
;; |
387 |
[[cC]][[yY]][[gG]][[wW]][[iI]][[nN]]*|mingw32*|mks*) |
[[cC]][[yY]][[gG]][[wW]][[iI]][[nN]]*|mingw32*|mks*) |
388 |
AC_MSG_RESULT([win32]) |
AC_MSG_RESULT([win32]) |
389 |
NASM_FORMAT="win32" |
NASM_FORMAT="win32" |
390 |
PREFIX="-DPREFIX" |
PREFIX="-DPREFIX" |
391 |
|
MARK_FUNCS="" |
392 |
;; |
;; |
393 |
esac |
esac |
394 |
|
|
395 |
AS=nasm |
AS="$chosen_asm_prog" |
|
AFLAGS="-I\$(<D)/ -f $NASM_FORMAT $PREFIX" |
|
396 |
ASSEMBLY_EXTENSION="asm" |
ASSEMBLY_EXTENSION="asm" |
397 |
ASSEMBLY_SOURCES="SRC_IA32" |
AFLAGS="-I\$(<D)/ -f $NASM_FORMAT $PREFIX $MARK_FUNCS" |
398 |
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ASSEMBLY_SOURCES="SRC_${ARCHITECTURE}" |
399 |
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if test "$ARCHITECTURE" = "X86_64" ; then |
400 |
|
AFLAGS=${AFLAGS}" -m amd64" |
401 |
fi |
fi |
|
|
|
402 |
else |
else |
403 |
AC_MSG_WARN([nasm not found - Compiling generic sources only]) |
AC_MSG_WARN([no correct assembler was found - Compiling generic sources only]) |
404 |
ARCHITECTURE="GENERIC" |
ARCHITECTURE="GENERIC" |
405 |
fi |
fi |
|
|
|
406 |
fi |
fi |
407 |
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|
408 |
dnl |
dnl |
409 |
dnl PPC |
dnl PPC |
410 |
dnl |
dnl |
411 |
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dnl With the PPC platform we do not use assembly language, we better keep with |
412 |
|
dnl intrinsic altivec functions and types as they are supported by both Apple |
413 |
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dnl and GNU gcc with very slight changes to code which can be sumed up by: |
414 |
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dnl |
415 |
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dnl Apple: |
416 |
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dnl - compile with the option -faltivec |
417 |
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dnl - define vectors with parentheses vec = (0,0,0,0) |
418 |
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dnl GNU |
419 |
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dnl - compile with -maltivec -mabi=altivec |
420 |
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dnl - include <altivec.h> before using intrincic |
421 |
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dnl - define vectors with vec = {0,0,0,0} |
422 |
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dnl |
423 |
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dnl * The compile time option will be "injected" into SPECIFIC_CFLAGS variable |
424 |
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dnl * The need for altivec.h will also be injected into SPECIFIC_CFLAGS through |
425 |
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dnl a -DHAVE_ALTIVEC_H |
426 |
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dnl * The vector definition is handled in portab.h thx to |
427 |
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dnl HAVE_PARENTHESES/BRACES_ALTIVEC_DECL |
428 |
|
dnl |
429 |
|
PPC_ALTIVEC_SOURCES="" |
430 |
if test "$ARCHITECTURE" = "PPC" ; then |
if test "$ARCHITECTURE" = "PPC" ; then |
431 |
AS="\$(CC)" |
AS="\$(CC)" |
432 |
AFLAGS="-c" |
AFLAGS="" |
433 |
ASSEMBLY_EXTENSION="s" |
ASSEMBLY_EXTENSION=".s" |
434 |
ASSEMBLY_SOURCES="SRC_PPC" |
ASSEMBLY_SOURCES="" |
435 |
AC_MSG_CHECKING([for Altivec support]) |
|
436 |
cat > conftest.S << EOF |
AC_MSG_CHECKING([for altivec.h]) |
437 |
.text |
cat > conftest.c << EOF |
438 |
vxor 0,0,0 |
#include <altivec.h> |
439 |
|
int main() { return(0); } |
440 |
EOF |
EOF |
441 |
if $CC -c conftest.S 2>/dev/null 1>/dev/null ; then |
if $CC -faltivec -c conftest.c 2>/dev/null 1>/dev/null || \ |
442 |
|
$CC -maltivec -mabi=altivec -c conftest.c 2>/dev/null 1>/dev/null ; then |
443 |
AC_MSG_RESULT(yes) |
AC_MSG_RESULT(yes) |
444 |
SPECIFIC_CFLAGS="$SPECIFIC_CFLAGS -DARCH_IS_PPC_ALTIVEC" |
SPECIFIC_CFLAGS="$SPECIFIC_CFLAGS -DHAVE_ALTIVEC_H" |
445 |
ASSEMBLY_SOURCES="SRC_ALTIVEC" |
TEMP_ALTIVEC="-DHAVE_ALTIVEC_H" |
446 |
else |
else |
447 |
AC_MSG_RESULT(no) |
AC_MSG_RESULT(no) |
448 |
|
TEMP_ALTIVEC="" |
449 |
fi |
fi |
450 |
|
|
451 |
|
AC_MSG_CHECKING([for Altivec compiler support]) |
452 |
|
cat > conftest.c << EOF |
453 |
|
#ifdef HAVE_ALTIVEC_H |
454 |
|
#include <altivec.h> |
455 |
|
#endif |
456 |
|
|
457 |
|
int main() |
458 |
|
{ |
459 |
|
vector unsigned int vartest2 = (vector unsigned int)(0); |
460 |
|
vector unsigned int vartest3 = (vector unsigned int)(1); |
461 |
|
vartest2 = vec_add(vartest2, vartest3); |
462 |
|
return(0); |
463 |
|
} |
464 |
|
EOF |
465 |
|
if $CC $TEMP_ALTIVEC -faltivec -c conftest.c 2>/dev/null 1>/dev/null ; then |
466 |
|
AC_MSG_RESULT([yes (Apple)]) |
467 |
|
SPECIFIC_CFLAGS="$SPECIFIC_CFLAGS -faltivec -DHAVE_ALTIVEC_PARENTHESES_DECL $TEMP_ALTIVEC" |
468 |
|
PPC_ALTIVEC_SOURCES="SRC_PPC_ALTIVEC" |
469 |
|
else |
470 |
|
cat > conftest.c << EOF |
471 |
|
#ifdef HAVE_ALTIVEC_H |
472 |
|
#include <altivec.h> |
473 |
|
#endif |
474 |
|
|
475 |
|
int main() |
476 |
|
{ |
477 |
|
vector unsigned int vartest2 = (vector unsigned int){0}; |
478 |
|
vector unsigned int vartest3 = (vector unsigned int){1}; |
479 |
|
vartest2 = vec_add(vartest2, vartest3); |
480 |
|
return(0); |
481 |
|
} |
482 |
|
EOF |
483 |
|
if $CC $TEMP_ALTIVEC -maltivec -mabi=altivec -c conftest.c 2>/dev/null 1>/dev/null ; then |
484 |
|
AC_MSG_RESULT([yes (GNU)]) |
485 |
|
SPECIFIC_CFLAGS="$SPECIFIC_CFLAGS -maltivec -mabi=altivec -DHAVE_ALTIVEC_BRACES_DECL $TEMP_ALTIVEC" |
486 |
|
PPC_ALTIVEC_SOURCES="SRC_PPC_ALTIVEC" |
487 |
|
else |
488 |
|
AC_MSG_RESULT([no (ppc support won't be compiled in)]) |
489 |
|
dnl Only C code can be compiled :-( |
490 |
|
ARCHITECTURE="GENERIC" |
491 |
|
fi |
492 |
|
fi |
493 |
|
|
494 |
rm -f conftest.* |
rm -f conftest.* |
495 |
fi |
fi |
496 |
|
|
530 |
AC_CHECK_HEADERS( |
AC_CHECK_HEADERS( |
531 |
stdio.h \ |
stdio.h \ |
532 |
signal.h \ |
signal.h \ |
533 |
|
stdlib.h \ |
534 |
|
string.h \ |
535 |
|
assert.h \ |
536 |
|
math.h \ |
537 |
, , AC_MSG_ERROR(Missing header file)) |
, , AC_MSG_ERROR(Missing header file)) |
538 |
|
|
539 |
dnl ========================================================================== |
dnl ========================================================================== |
585 |
AC_SUBST(SPECIFIC_LDFLAGS) |
AC_SUBST(SPECIFIC_LDFLAGS) |
586 |
AC_SUBST(SPECIFIC_CFLAGS) |
AC_SUBST(SPECIFIC_CFLAGS) |
587 |
AC_SUBST(DCT_IA64_SOURCES) |
AC_SUBST(DCT_IA64_SOURCES) |
588 |
|
AC_SUBST(PPC_ALTIVEC_SOURCES) |
589 |
AC_SUBST(RANLIB) |
AC_SUBST(RANLIB) |
590 |
AC_SUBST(API_MAJOR) |
AC_SUBST(API_MAJOR) |
591 |
AC_SUBST(API_MINOR) |
AC_SUBST(API_MINOR) |