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dnl |
dnl |
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dnl Autoconf script for XviD |
dnl Autoconf script for XviD |
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dnl |
dnl |
5 |
dnl Copyright(C) 2003 Edouard Gomez <ed.gomez@free.fr> |
dnl Copyright(C) 2003-2004 Edouard Gomez <ed.gomez@free.fr> |
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dnl |
dnl |
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dnl ========================================================================== |
dnl ========================================================================== |
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AC_INIT([XviD], [1.0.0 rc3], [xvid-devel@xvid.org]) |
AC_PREREQ([2.50]) |
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AC_INIT([XviD], [1.0.1], [xvid-devel@xvid.org]) |
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AC_CONFIG_SRCDIR(configure.in) |
AC_CONFIG_SRCDIR(configure.in) |
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dnl Do not forget to increase that when needed. |
dnl Do not forget to increase that when needed. |
164 |
;; |
;; |
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powerpc) |
powerpc) |
166 |
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dnl ATM the ppc port is out of date |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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168 |
;; |
;; |
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ia64) |
ia64) |
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AC_MSG_RESULT(ia64) |
AC_MSG_RESULT(ia64) |
382 |
dnl |
dnl |
383 |
dnl PPC |
dnl PPC |
384 |
dnl |
dnl |
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dnl With the PPC platform we do not use assembly language, we better keep with |
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dnl intrinsic altivec functions and types as they are supported by both Apple |
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dnl and GNU gcc with very slight changes to code which can be sumed up by: |
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dnl |
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dnl Apple: |
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dnl - compile with the option -faltivec |
391 |
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dnl - define vectors with parentheses vec = (0,0,0,0) |
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dnl GNU |
393 |
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dnl - compile with -maltivec -mabi=altivec |
394 |
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dnl - include <altivec.h> before using intrincic |
395 |
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dnl - define vectors with vec = {0,0,0,0} |
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dnl |
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dnl * The compile time option will be "injected" into SPECIFIC_CFLAGS variable |
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dnl * The need for altivec.h will also be injected into SPECIFIC_CFLAGS through |
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dnl a -DHAVE_ALTIVEC_H |
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dnl * The vector definition is handled in portab.h thx to |
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dnl HAVE_PARENTHESES/BRACES_ALTIVEC_DECL |
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dnl |
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PPC_ALTIVEC_SOURCES="" |
404 |
if test "$ARCHITECTURE" = "PPC" ; then |
if test "$ARCHITECTURE" = "PPC" ; then |
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AS="\$(CC)" |
AS="\$(CC)" |
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AFLAGS="-c" |
AFLAGS="" |
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ASSEMBLY_EXTENSION="s" |
ASSEMBLY_EXTENSION=".s" |
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ASSEMBLY_SOURCES="SRC_PPC" |
ASSEMBLY_SOURCES="" |
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AC_MSG_CHECKING([for Altivec support]) |
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cat > conftest.S << EOF |
AC_MSG_CHECKING([for altivec.h]) |
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.text |
cat > conftest.c << EOF |
412 |
vxor 0,0,0 |
#include <altivec.h> |
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int main() { return(0); } |
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EOF |
EOF |
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if $CC -c conftest.S 2>/dev/null 1>/dev/null ; then |
if $CC -faltivec -c conftest.c 2>/dev/null 1>/dev/null || \ |
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$CC -maltivec -mabi=altivec -c conftest.c 2>/dev/null 1>/dev/null ; then |
417 |
AC_MSG_RESULT(yes) |
AC_MSG_RESULT(yes) |
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SPECIFIC_CFLAGS="$SPECIFIC_CFLAGS -DARCH_IS_PPC_ALTIVEC" |
SPECIFIC_CFLAGS="$SPECIFIC_CFLAGS -DHAVE_ALTIVEC_H" |
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ASSEMBLY_SOURCES="SRC_ALTIVEC" |
TEMP_ALTIVEC="-DHAVE_ALTIVEC_H" |
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else |
else |
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AC_MSG_RESULT(no) |
AC_MSG_RESULT(no) |
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TEMP_ALTIVEC="" |
423 |
fi |
fi |
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AC_MSG_CHECKING([for Altivec compiler support]) |
426 |
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cat > conftest.c << EOF |
427 |
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#ifdef HAVE_ALTIVEC_H |
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#include <altivec.h> |
429 |
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#endif |
430 |
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431 |
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int main() |
432 |
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{ |
433 |
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vector unsigned int vartest2 = (vector unsigned int)(0); |
434 |
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vector unsigned int vartest3 = (vector unsigned int)(1); |
435 |
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vartest2 = vec_add(vartest2, vartest3); |
436 |
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return(0); |
437 |
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} |
438 |
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EOF |
439 |
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if $CC $TEMP_ALTIVEC -faltivec -c conftest.c 2>/dev/null 1>/dev/null ; then |
440 |
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AC_MSG_RESULT([yes (Apple)]) |
441 |
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SPECIFIC_CFLAGS="$SPECIFIC_CFLAGS -faltivec -DHAVE_ALTIVEC_PARENTHESES_DECL $TEMP_ALTIVEC" |
442 |
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PPC_ALTIVEC_SOURCES="SRC_PPC_ALTIVEC" |
443 |
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else |
444 |
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cat > conftest.c << EOF |
445 |
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#ifdef HAVE_ALTIVEC_H |
446 |
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#include <altivec.h> |
447 |
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#endif |
448 |
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|
449 |
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int main() |
450 |
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{ |
451 |
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vector unsigned int vartest2 = (vector unsigned int){0}; |
452 |
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vector unsigned int vartest3 = (vector unsigned int){1}; |
453 |
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vartest2 = vec_add(vartest2, vartest3); |
454 |
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return(0); |
455 |
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} |
456 |
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EOF |
457 |
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if $CC $TEMP_ALTIVEC -maltivec -mabi=altivec -c conftest.c 2>/dev/null 1>/dev/null ; then |
458 |
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AC_MSG_RESULT([yes (GNU)]) |
459 |
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SPECIFIC_CFLAGS="$SPECIFIC_CFLAGS -maltivec -mabi=altivec -DHAVE_ALTIVEC_BRACES_DECL $TEMP_ALTIVEC" |
460 |
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PPC_ALTIVEC_SOURCES="SRC_PPC_ALTIVEC" |
461 |
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else |
462 |
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AC_MSG_RESULT([no (ppc support won't be compiled in)]) |
463 |
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dnl Only C code can be compiled :-( |
464 |
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ARCHITECTURE="GENERIC" |
465 |
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fi |
466 |
|
fi |
467 |
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|
468 |
rm -f conftest.* |
rm -f conftest.* |
469 |
fi |
fi |
470 |
|
|
504 |
AC_CHECK_HEADERS( |
AC_CHECK_HEADERS( |
505 |
stdio.h \ |
stdio.h \ |
506 |
signal.h \ |
signal.h \ |
507 |
|
stdlib.h \ |
508 |
|
string.h \ |
509 |
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assert.h \ |
510 |
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math.h \ |
511 |
, , AC_MSG_ERROR(Missing header file)) |
, , AC_MSG_ERROR(Missing header file)) |
512 |
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|
513 |
dnl ========================================================================== |
dnl ========================================================================== |
559 |
AC_SUBST(SPECIFIC_LDFLAGS) |
AC_SUBST(SPECIFIC_LDFLAGS) |
560 |
AC_SUBST(SPECIFIC_CFLAGS) |
AC_SUBST(SPECIFIC_CFLAGS) |
561 |
AC_SUBST(DCT_IA64_SOURCES) |
AC_SUBST(DCT_IA64_SOURCES) |
562 |
|
AC_SUBST(PPC_ALTIVEC_SOURCES) |
563 |
AC_SUBST(RANLIB) |
AC_SUBST(RANLIB) |
564 |
AC_SUBST(API_MAJOR) |
AC_SUBST(API_MAJOR) |
565 |
AC_SUBST(API_MINOR) |
AC_SUBST(API_MINOR) |