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 ========================================================================== |
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|
9 |
AC_INIT([XviD], [1.0.0 rc3], [xvid-devel@xvid.org]) |
AC_PREREQ([2.50]) |
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11 |
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AC_INIT([XviD], [1.0.1], [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. |
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" |
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yasm_prog="yasm" |
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|
23 |
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" |
165 |
;; |
;; |
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powerpc) |
powerpc) |
167 |
AC_MSG_RESULT(PowerPC) |
AC_MSG_RESULT(PowerPC) |
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dnl ATM the ppc port is out of date |
ARCHITECTURE="PPC" |
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dnl ARCHITECTURE="PPC" |
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ARCHITECTURE="GENERIC" |
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169 |
;; |
;; |
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ia64) |
ia64) |
171 |
AC_MSG_RESULT(ia64) |
AC_MSG_RESULT(ia64) |
329 |
if test "$ARCHITECTURE" = "IA32" ; then |
if test "$ARCHITECTURE" = "IA32" ; then |
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|
|
331 |
dnl |
dnl |
332 |
dnl Checking nasm existence |
dnl Checking for nasm compatible programs |
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|
dnl yasm is preferred over nasm, because... i can use it |
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|
dnl to profile assembly code ;-) |
335 |
dnl |
dnl |
336 |
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|
337 |
|
found_nasm_comp_prog="no" |
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chosen_asm_prog="" |
339 |
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|
340 |
|
dnl Check for yasm first |
341 |
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AC_CHECK_PROG([ac_yasm], [$yasm_prog], [yes], [no], , [yes]) |
342 |
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if test "$ac_yasm" = "yes" ; then |
343 |
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found_nasm_comp_prog="yes" |
344 |
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chosen_asm_prog="$yasm_prog" |
345 |
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fi |
346 |
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347 |
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dnl if yasm hasn't been found, then check for nasm (not buggy version) |
348 |
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if test "$found_nasm_comp_prog" = "no" ; then |
349 |
AC_CHECK_PROG([ac_nasm], [$nasm_prog], [yes], [no], , [yes]) |
AC_CHECK_PROG([ac_nasm], [$nasm_prog], [yes], [no], , [yes]) |
350 |
if test "$ac_nasm" = "yes" ; then |
if test "$ac_nasm" = "yes" ; then |
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|
351 |
dnl |
dnl |
352 |
dnl Checking nasm patch version |
dnl Checking nasm patch version |
353 |
dnl |
dnl |
354 |
AC_MSG_CHECKING([for nasm patch version]) |
AC_MSG_CHECKING([for nasm patch version]) |
355 |
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` |
356 |
if test -z $nasm_patch ; then |
if test -z $nasm_patch ; then |
357 |
nasm_patch=-1 |
nasm_patch=-1 |
358 |
fi |
fi |
360 |
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|
361 |
|
|
362 |
if test "$nasm_patch" -lt "$minimum_nasm_patch_version" ; then |
if test "$nasm_patch" -lt "$minimum_nasm_patch_version" ; then |
363 |
AC_MSG_WARN([nasm patch version too old - Compiling generic sources only]) |
AC_MSG_WARN([nasm patch version is too old]) |
|
ARCHITECTURE="GENERIC" |
|
364 |
else |
else |
365 |
|
found_nasm_comp_prog="yes" |
366 |
|
chosen_asm_prog="$nasm_prog" |
367 |
|
fi |
368 |
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fi |
369 |
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fi |
370 |
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|
371 |
dnl |
dnl |
372 |
dnl Checking nasm format - win32 or elf |
dnl Ok now sort what object format we must use |
373 |
dnl |
dnl |
374 |
AC_MSG_CHECKING([for nasm object format]) |
if test "$found_nasm_comp_prog" = "yes" ; then |
375 |
|
AC_MSG_CHECKING([for asm object format]) |
376 |
case "$target_os" in |
case "$target_os" in |
377 |
*bsd*|linux*|beos|irix*|solaris*) |
*bsd*|linux*|beos|irix*|solaris*) |
378 |
AC_MSG_RESULT([elf]) |
AC_MSG_RESULT([elf]) |
379 |
NASM_FORMAT="elf" |
NASM_FORMAT="elf" |
380 |
|
MARK_FUNCS="-DMARK_FUNCS" |
381 |
PREFIX="" |
PREFIX="" |
382 |
;; |
;; |
383 |
[[cC]][[yY]][[gG]][[wW]][[iI]][[nN]]*|mingw32*|mks*) |
[[cC]][[yY]][[gG]][[wW]][[iI]][[nN]]*|mingw32*|mks*) |
384 |
AC_MSG_RESULT([win32]) |
AC_MSG_RESULT([win32]) |
385 |
NASM_FORMAT="win32" |
NASM_FORMAT="win32" |
386 |
PREFIX="-DPREFIX" |
PREFIX="-DPREFIX" |
387 |
|
MARK_FUNCS="" |
388 |
;; |
;; |
389 |
esac |
esac |
390 |
|
|
391 |
AS=nasm |
AS="$chosen_asm_prog" |
392 |
AFLAGS="-I\$(<D)/ -f $NASM_FORMAT $PREFIX" |
AFLAGS="-I\$(<D)/ -f $NASM_FORMAT $PREFIX $MARK_FUNCS" |
393 |
ASSEMBLY_EXTENSION="asm" |
ASSEMBLY_EXTENSION="asm" |
394 |
ASSEMBLY_SOURCES="SRC_IA32" |
ASSEMBLY_SOURCES="SRC_IA32" |
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fi |
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|
|
|
395 |
else |
else |
396 |
AC_MSG_WARN([nasm not found - Compiling generic sources only]) |
AC_MSG_WARN([no correct assembler was found - Compiling generic sources only]) |
397 |
ARCHITECTURE="GENERIC" |
ARCHITECTURE="GENERIC" |
398 |
fi |
fi |
|
|
|
399 |
fi |
fi |
400 |
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|
401 |
dnl |
dnl |
402 |
dnl PPC |
dnl PPC |
403 |
dnl |
dnl |
404 |
|
dnl With the PPC platform we do not use assembly language, we better keep with |
405 |
|
dnl intrinsic altivec functions and types as they are supported by both Apple |
406 |
|
dnl and GNU gcc with very slight changes to code which can be sumed up by: |
407 |
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dnl |
408 |
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dnl Apple: |
409 |
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dnl - compile with the option -faltivec |
410 |
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dnl - define vectors with parentheses vec = (0,0,0,0) |
411 |
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dnl GNU |
412 |
|
dnl - compile with -maltivec -mabi=altivec |
413 |
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dnl - include <altivec.h> before using intrincic |
414 |
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dnl - define vectors with vec = {0,0,0,0} |
415 |
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dnl |
416 |
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dnl * The compile time option will be "injected" into SPECIFIC_CFLAGS variable |
417 |
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dnl * The need for altivec.h will also be injected into SPECIFIC_CFLAGS through |
418 |
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dnl a -DHAVE_ALTIVEC_H |
419 |
|
dnl * The vector definition is handled in portab.h thx to |
420 |
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dnl HAVE_PARENTHESES/BRACES_ALTIVEC_DECL |
421 |
|
dnl |
422 |
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PPC_ALTIVEC_SOURCES="" |
423 |
if test "$ARCHITECTURE" = "PPC" ; then |
if test "$ARCHITECTURE" = "PPC" ; then |
424 |
AS="\$(CC)" |
AS="\$(CC)" |
425 |
AFLAGS="-c" |
AFLAGS="" |
426 |
ASSEMBLY_EXTENSION="s" |
ASSEMBLY_EXTENSION=".s" |
427 |
ASSEMBLY_SOURCES="SRC_PPC" |
ASSEMBLY_SOURCES="" |
428 |
AC_MSG_CHECKING([for Altivec support]) |
|
429 |
cat > conftest.S << EOF |
AC_MSG_CHECKING([for altivec.h]) |
430 |
.text |
cat > conftest.c << EOF |
431 |
vxor 0,0,0 |
#include <altivec.h> |
432 |
|
int main() { return(0); } |
433 |
EOF |
EOF |
434 |
if $CC -c conftest.S 2>/dev/null 1>/dev/null ; then |
if $CC -faltivec -c conftest.c 2>/dev/null 1>/dev/null || \ |
435 |
|
$CC -maltivec -mabi=altivec -c conftest.c 2>/dev/null 1>/dev/null ; then |
436 |
AC_MSG_RESULT(yes) |
AC_MSG_RESULT(yes) |
437 |
SPECIFIC_CFLAGS="$SPECIFIC_CFLAGS -DARCH_IS_PPC_ALTIVEC" |
SPECIFIC_CFLAGS="$SPECIFIC_CFLAGS -DHAVE_ALTIVEC_H" |
438 |
ASSEMBLY_SOURCES="SRC_ALTIVEC" |
TEMP_ALTIVEC="-DHAVE_ALTIVEC_H" |
439 |
else |
else |
440 |
AC_MSG_RESULT(no) |
AC_MSG_RESULT(no) |
441 |
|
TEMP_ALTIVEC="" |
442 |
fi |
fi |
443 |
|
|
444 |
|
AC_MSG_CHECKING([for Altivec compiler support]) |
445 |
|
cat > conftest.c << EOF |
446 |
|
#ifdef HAVE_ALTIVEC_H |
447 |
|
#include <altivec.h> |
448 |
|
#endif |
449 |
|
|
450 |
|
int main() |
451 |
|
{ |
452 |
|
vector unsigned int vartest2 = (vector unsigned int)(0); |
453 |
|
vector unsigned int vartest3 = (vector unsigned int)(1); |
454 |
|
vartest2 = vec_add(vartest2, vartest3); |
455 |
|
return(0); |
456 |
|
} |
457 |
|
EOF |
458 |
|
if $CC $TEMP_ALTIVEC -faltivec -c conftest.c 2>/dev/null 1>/dev/null ; then |
459 |
|
AC_MSG_RESULT([yes (Apple)]) |
460 |
|
SPECIFIC_CFLAGS="$SPECIFIC_CFLAGS -faltivec -DHAVE_ALTIVEC_PARENTHESES_DECL $TEMP_ALTIVEC" |
461 |
|
PPC_ALTIVEC_SOURCES="SRC_PPC_ALTIVEC" |
462 |
|
else |
463 |
|
cat > conftest.c << EOF |
464 |
|
#ifdef HAVE_ALTIVEC_H |
465 |
|
#include <altivec.h> |
466 |
|
#endif |
467 |
|
|
468 |
|
int main() |
469 |
|
{ |
470 |
|
vector unsigned int vartest2 = (vector unsigned int){0}; |
471 |
|
vector unsigned int vartest3 = (vector unsigned int){1}; |
472 |
|
vartest2 = vec_add(vartest2, vartest3); |
473 |
|
return(0); |
474 |
|
} |
475 |
|
EOF |
476 |
|
if $CC $TEMP_ALTIVEC -maltivec -mabi=altivec -c conftest.c 2>/dev/null 1>/dev/null ; then |
477 |
|
AC_MSG_RESULT([yes (GNU)]) |
478 |
|
SPECIFIC_CFLAGS="$SPECIFIC_CFLAGS -maltivec -mabi=altivec -DHAVE_ALTIVEC_BRACES_DECL $TEMP_ALTIVEC" |
479 |
|
PPC_ALTIVEC_SOURCES="SRC_PPC_ALTIVEC" |
480 |
|
else |
481 |
|
AC_MSG_RESULT([no (ppc support won't be compiled in)]) |
482 |
|
dnl Only C code can be compiled :-( |
483 |
|
ARCHITECTURE="GENERIC" |
484 |
|
fi |
485 |
|
fi |
486 |
|
|
487 |
rm -f conftest.* |
rm -f conftest.* |
488 |
fi |
fi |
489 |
|
|
523 |
AC_CHECK_HEADERS( |
AC_CHECK_HEADERS( |
524 |
stdio.h \ |
stdio.h \ |
525 |
signal.h \ |
signal.h \ |
526 |
|
stdlib.h \ |
527 |
|
string.h \ |
528 |
|
assert.h \ |
529 |
|
math.h \ |
530 |
, , AC_MSG_ERROR(Missing header file)) |
, , AC_MSG_ERROR(Missing header file)) |
531 |
|
|
532 |
dnl ========================================================================== |
dnl ========================================================================== |
578 |
AC_SUBST(SPECIFIC_LDFLAGS) |
AC_SUBST(SPECIFIC_LDFLAGS) |
579 |
AC_SUBST(SPECIFIC_CFLAGS) |
AC_SUBST(SPECIFIC_CFLAGS) |
580 |
AC_SUBST(DCT_IA64_SOURCES) |
AC_SUBST(DCT_IA64_SOURCES) |
581 |
|
AC_SUBST(PPC_ALTIVEC_SOURCES) |
582 |
AC_SUBST(RANLIB) |
AC_SUBST(RANLIB) |
583 |
AC_SUBST(API_MAJOR) |
AC_SUBST(API_MAJOR) |
584 |
AC_SUBST(API_MINOR) |
AC_SUBST(API_MINOR) |