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patch for yasm >= 1.0 by Takashi Mochizuki
dnl ========================================================================== dnl dnl Autoconf script for Xvid dnl dnl Copyright(C) 2003-2004 Edouard Gomez <ed.gomez@free.fr> dnl dnl ========================================================================== AC_PREREQ([2.50]) AC_INIT([Xvid], [1.2.2], [xvid-devel@xvid.org]) AC_CONFIG_SRCDIR(configure.in) dnl Do not forget to increase that when needed. API_MAJOR="4" API_MINOR="2" dnl NASM/YASM version requirement minimum_yasm_major_version=1 minimum_nasm_minor_version=0 minimum_nasm_major_version=2 nasm_prog="nasm" yasm_prog="yasm" dnl Default CFLAGS -- Big impact on overall speed our_cflags_defaults="-Wall" our_cflags_defaults="$our_cflags_defaults -O2" our_cflags_defaults="$our_cflags_defaults -fstrength-reduce" our_cflags_defaults="$our_cflags_defaults -finline-functions" our_cflags_defaults="$our_cflags_defaults -ffast-math" our_cflags_defaults="$our_cflags_defaults -fomit-frame-pointer" dnl ========================================================================== dnl Features - configure options dnl ========================================================================== FEATURES="" dnl Internal Debug AC_ARG_ENABLE(idebug, AC_HELP_STRING([--enable-idebug], [Enable internal debug function]), [if test "$enable_idebug" = "yes" ; then FEATURES="$FEATURES -D_DEBUG" fi]) dnl Internal Profile AC_ARG_ENABLE(iprofile, AC_HELP_STRING([--enable-iprofile], [Enable internal profiling]), [if test "$enable_iprofile" = "yes" ; then FEATURES="$FEATURES -D_PROFILING_" fi]) dnl GNU Profiling options AC_ARG_ENABLE(gnuprofile, AC_HELP_STRING([--enable-gnuprofile], [Enable profiling informations for gprof]), [if test "$enable_gnuprofile" = "yes" ; then GNU_PROF_CFLAGS="-pg -fprofile-arcs -ftest-coverage" GNU_PROF_LDFLAGS="-pg" fi]) dnl Assembly code AC_ARG_ENABLE(assembly, AC_HELP_STRING([--disable-assembly], [Disable assembly code]), [if test "$enable_assembly" = "no" ; then assembly="no" else if test "$enable_assembly" = "yes" ; then assembly="yes" fi fi], [assembly="yes"]) dnl Build as a module not a shared lib on darwin AC_ARG_ENABLE(macosx_module, AC_HELP_STRING([--enable-macosx_module], [Build as a module on MacOS X]), [if test "$enable_macosx_module" = "yes" ; then macosx_module="yes" else macosx_module="no" fi], [macosx_module="no"]) dnl ========================================================================== dnl Default install prefix and checks build type dnl ========================================================================== AC_PREFIX_DEFAULT("/usr/local") AC_CANONICAL_BUILD AC_CANONICAL_HOST AC_CANONICAL_TARGET dnl ========================================================================== dnl Check for the C compiler (could be passed on command line) dnl ========================================================================== dnl dnl First we test if CFLAGS have been passed on command line dnl I do that because autoconf defaults (-g -O2) suck and they would kill dnl performance. To prevent that we define a good defult CFLAGS at the end dnl of the script if and only if CFLAGS has not been passed on the command dnl line dnl AC_MSG_CHECKING(whether to use default CFLAGS) if test x"$CFLAGS" = x"" ; then force_default_cc_options="yes" AC_MSG_RESULT([yes]) else force_default_cc_options="no" AC_MSG_RESULT([no]) fi dnl Now we can safely check for the C compiler AC_PROG_CC dnl ========================================================================== dnl Check for the install program dnl ========================================================================== AC_PROG_INSTALL dnl ========================================================================== dnl Check for the ranlib program to generate static library index dnl ========================================================================== AC_PROG_RANLIB dnl ========================================================================== dnl dnl This part looks for: dnl dnl ARCHITECTURE : The platform architecture dnl - IA32 for mmx, mmx-ext, mmx2, sse assembly dnl - IA64 dnl - PPC for PowerPC assembly routines dnl - GENERIC for plain C sources only dnl dnl BUS: Address bus size (in bits) dnl - 32 dnl - 64 dnl dnl ENDIANNESS: I think you can guess what this thing means :-) dnl - LITTLE_ENDIAN dnl - BIG_ENDIAN dnl dnl ========================================================================== dnl dnl Looking what sources have to be compiled according to the CPU type dnl ARCHITECTURE="" AC_MSG_CHECKING([for whether to use assembly code]) if test x"$assembly" = x"yes" ; then AC_MSG_RESULT([yes]) AC_MSG_CHECKING([for architecture type]) case "$target_cpu" in i[[3456]]86) AC_MSG_RESULT(ia32) ARCHITECTURE="IA32" ;; x86_64) AC_MSG_RESULT(x86_64) ARCHITECTURE="X86_64" ;; powerpc) AC_MSG_RESULT(PowerPC) ARCHITECTURE="PPC" ;; ia64) AC_MSG_RESULT(ia64) ARCHITECTURE="IA64" ;; *) AC_MSG_RESULT($target_cpu) ARCHITECTURE="GENERIC" ;; esac else AC_MSG_RESULT([no]) ARCHITECTURE="GENERIC" fi dnl dnl Testing address bus length dnl BUS="" AC_CHECK_SIZEOF([int *]) case "$ac_cv_sizeof_int_p" in 4) BUS="32BIT" ;; 8) BUS="64BIT" ;; *) AC_MSG_ERROR([Xvid supports only 32/64 bit architectures]) ;; esac dnl dnl Testing endianness dnl ENDIANNESS="" AC_C_BIGENDIAN(ENDIANNESS="BIG_ENDIAN", ENDIANNESS="LITTLE_ENDIAN") dnl ========================================================================== dnl dnl Check for OS specific variables dnl - SHARED_EXTENSION, STATIC_EXTENSION, OBJECT_EXTENSION dnl dnl ========================================================================== AC_MSG_CHECKING(for build extensions) SHARED_EXTENSION="" STATIC_EXTENSION="" OBJECT_EXTENSION="" case "$target_os" in *bsd*|linux*|beos|irix*|solaris*) AC_MSG_RESULT([.so .a .o]) STATIC_EXTENSION="a" SHARED_EXTENSION="so" OBJECT_EXTENSION="o" ;; [[cC]][[yY]][[gG]][[wW]][[iI]][[nN]]*|mingw32*|mks*) AC_MSG_RESULT([.dll .a .obj]) STATIC_EXTENSION="a" SHARED_EXTENSION="dll" OBJECT_EXTENSION="obj" ;; darwin*|raphsody*) if test x"$macosx_module" = x"yes"; then AC_MSG_RESULT([.so .a .o]) SHARED_EXTENSION="so" else AC_MSG_RESULT([.dynlib .a .o]) SHARED_EXTENSION="dylib" fi STATIC_EXTENSION="a" OBJECT_EXTENSION="o" ;; *) AC_MSG_RESULT([Unknown OS - Using .so .a .o]) STATIC_EXTENSION="a" SHARED_EXTENSION="so" OBJECT_EXTENSION="o" ;; esac dnl ========================================================================== dnl dnl Determines best options for CC and LD dnl - STATIC_LIB, SHARED_LIB, SPECIFIC_CFLAGS, SPECIFIC_LDLAGS dnl dnl ========================================================================== AC_MSG_CHECKING(for platform specific LDFLAGS/CFLAGS) SPECIFIC_LDFLAGS="" SPECIFIC_CFLAGS="" PRE_SHARED_LIB="" case "$target_os" in linux*|solaris*) AC_MSG_RESULT([ok]) STATIC_LIB="libxvidcore.\$(STATIC_EXTENSION)" SHARED_LIB="libxvidcore.\$(SHARED_EXTENSION).\$(API_MAJOR).\$(API_MINOR)" SPECIFIC_LDFLAGS="-Wl,-soname,libxvidcore.\$(SHARED_EXTENSION).\$(API_MAJOR) -shared -Wl,--version-script=libxvidcore.ld -lc -lm" SPECIFIC_CFLAGS="-fPIC" ;; *bsd*|irix*) AC_MSG_RESULT([ok]) STATIC_LIB="libxvidcore.\$(STATIC_EXTENSION)" SHARED_LIB="libxvidcore.\$(SHARED_EXTENSION).\$(API_MAJOR).\$(API_MINOR)" SPECIFIC_LDFLAGS="-Wl,-soname,libxvidcore.\$(SHARED_EXTENSION).\$(API_MAJOR) -shared -lc -lm" SPECIFIC_CFLAGS="-fPIC" ;; [[cC]][[yY]][[gG]][[wW]][[iI]][[nN]]*|mingw32*|mks*) AC_MSG_RESULT([ok]) STATIC_LIB="xvidcore.\$(STATIC_EXTENSION)" SHARED_LIB="xvidcore.\$(SHARED_EXTENSION)" SPECIFIC_LDFLAGS="-mno-cygwin -shared -Wl,--dll,--out-implib,\$@.a libxvidcore.def" SPECIFIC_CFLAGS="-mno-cygwin" ;; darwin*|raphsody*) STATIC_LIB="libxvidcore.\$(STATIC_EXTENSION)" SPECIFIC_CFLAGS="-fPIC -fno-common -no-cpp-precomp" if test x"$macosx_module" = x"no"; then AC_MSG_RESULT([dylib options]) SHARED_LIB="libxvidcore.\$(API_MAJOR).\$(SHARED_EXTENSION)" SPECIFIC_LDFLAGS="-Wl,-read_only_relocs,suppress -dynamiclib -flat_namespace -compatibility_version \$(API_MAJOR) -current_version \$(API_MAJOR).\$(API_MINOR) -install_name \$(libdir)/\$(SHARED_LIB)" else AC_MSG_RESULT([module options]) PRE_SHARED_LIB="libxvidcore.\$(SHARED_EXTENSION)-temp.o" SHARED_LIB="libxvidcore.\$(SHARED_EXTENSION).\$(API_MAJOR)" SPECIFIC_LDFLAGS="-r -keep_private_externs -nostdlib && \$(CC) \$(LDFLAGS) \$(PRE_SHARED_LIB) -o libxvidcore.\$(SHARED_EXTENSION).\$(API_MAJOR) -bundle -flat_namespace -undefined suppress" fi ;; beos) AC_MSG_RESULT([ok]) STATIC_LIB="libxvidcore.\$(STATIC_EXTENSION)" SHARED_LIB="libxvidcore.\$(SHARED_EXTENSION)" SPECIFIC_LDFLAGS="-nostart" SPECIFIC_CFLAGS="-fPIC" ;; *) AC_MSG_RESULT([Unknown Platform (Using default -shared -lc -lm)]) STATIC_LIB="libxvidcore.\$(STATIC_EXTENSION)" SHARED_LIB="libxvidcore.\$(SHARED_EXTENSION)" SPECIFIC_LDFLAGS="" SPECIFIC_CFLAGS="" ;; esac if test x"$PRE_SHARED_LIB" = x; then PRE_SHARED_LIB=$SHARED_LIB fi dnl ========================================================================== dnl dnl Assembler stuff dnl - AS, AFLAGS, ASSEMBLY_EXTENSION, SOURCES dnl dnl ========================================================================== AS="" AFLAGS="" ASSEMBLY_EXTENSION="" GENERIC_SOURCES="SRC_GENERIC" ASSEMBLY_SOURCES="" dnl dnl IA32 dnl if test "$ARCHITECTURE" = "IA32" -o "$ARCHITECTURE" = "X86_64" ; then dnl dnl Checking for nasm compatible programs dnl found_nasm_comp_prog="no" chosen_asm_prog="" dnl Check for yasm first AC_CHECK_PROG([ac_yasm], [$yasm_prog], [yes], [no], , [yes]) if test "$ac_yasm" = "yes" ; then dnl dnl Checking yasm version dnl AC_MSG_CHECKING([for yasm version]) yasm_major=`$yasm_prog --version | head -1 | cut -d '.' -f 1 | cut -d ' ' -f 2` if test -z $yasm_major ; then yasm_major=-1 fi AC_MSG_RESULT([$yasm_major]) dnl Actually, yasm >= 0.7.99.2161 should be ok dnl But I'm too lazy to check also the patch version... if test "$yasm_major" -lt "$minimum_yasm_major_version" ; then AC_MSG_WARN([yasm version is too old]) else found_nasm_comp_prog="yes" chosen_asm_prog="$yasm_prog" fi fi dnl Check for nasm (not buggy version) if test "$found_nasm_comp_prog" = "no" ; then AC_CHECK_PROG([ac_nasm], [$nasm_prog], [yes], [no], , [yes]) if test "$ac_nasm" = "yes" ; then dnl dnl Checking nasm version dnl AC_MSG_CHECKING([for nasm version]) nasm_minor=`$nasm_prog -v | cut -d '.' -f 2 | cut -d ' ' -f 1` nasm_major=`$nasm_prog -v | cut -d '.' -f 1 | cut -d ' ' -f 3` if test -z $nasm_minor ; then nasm_minor=-1 fi if test -z $nasm_major ; then nasm_major=-1 fi AC_MSG_RESULT([$nasm_major]) dnl need nasm 2.x for SSE3/4 and X86_64 if test "$nasm_major" -lt "$minimum_nasm_major_version" ; then AC_MSG_WARN([nasm version is too old]) else found_nasm_comp_prog="yes" chosen_asm_prog="$nasm_prog" fi fi fi dnl dnl Ok now sort what object format we must use dnl if test "$found_nasm_comp_prog" = "yes" ; then AC_MSG_CHECKING([for asm object format]) case "$target_os" in *bsd*|linux*|beos|irix*|solaris*) if test "$ARCHITECTURE" = "X86_64" ; then AC_MSG_RESULT([elf64]) NASM_FORMAT="elf64" else AC_MSG_RESULT([elf]) NASM_FORMAT="elf" fi MARK_FUNCS="-DMARK_FUNCS" PREFIX="" ;; [[cC]][[yY]][[gG]][[wW]][[iI]][[nN]]*|mingw32*|mks*) if test "$ARCHITECTURE" = "X86_64" ; then AC_MSG_RESULT([win64]) NASM_FORMAT="win64" else AC_MSG_RESULT([win32]) NASM_FORMAT="win32" fi PREFIX="-DWINDOWS" MARK_FUNCS="" ;; *darwin*) AC_MSG_RESULT([macho]) NASM_FORMAT="macho" PREFIX="-DPREFIX" MARK_FUNCS="" ;; esac AS="$chosen_asm_prog" ASSEMBLY_EXTENSION="asm" AFLAGS="-I\$(<D)/ -I../../src/ -f $NASM_FORMAT $PREFIX $MARK_FUNCS" ASSEMBLY_SOURCES="SRC_${ARCHITECTURE}" if test "$ARCHITECTURE" = "X86_64" ; then AFLAGS=${AFLAGS}" -DARCH_IS_X86_64" fi else AC_MSG_WARN([no correct assembler was found - Compiling generic sources only]) ARCHITECTURE="GENERIC" fi fi dnl dnl PPC dnl dnl With the PPC platform we do not use assembly language, we better keep with dnl intrinsic altivec functions and types as they are supported by both Apple dnl and GNU gcc with very slight changes to code which can be sumed up by: dnl dnl Apple: dnl - compile with the option -arch ppc -faltivec dnl - define vectors with parentheses vec = (0,0,0,0) dnl GNU dnl - compile with -maltivec -mabi=altivec dnl - include <altivec.h> before using intrincic dnl - define vectors with vec = {0,0,0,0} dnl dnl * The compile time option will be "injected" into SPECIFIC_CFLAGS variable dnl * The need for altivec.h will also be injected into SPECIFIC_CFLAGS through dnl a -DHAVE_ALTIVEC_H dnl * The vector definition is handled in portab.h thx to dnl HAVE_PARENTHESES/BRACES_ALTIVEC_DECL dnl PPC_ALTIVEC_SOURCES="" if test "$ARCHITECTURE" = "PPC" ; then AS="\$(CC)" AFLAGS="" ASSEMBLY_EXTENSION=".s" ASSEMBLY_SOURCES="" AC_MSG_CHECKING([for altivec.h]) cat > conftest.c << EOF #include <altivec.h> int main() { return(0); } EOF if $CC -arch ppc -faltivec -c conftest.c 2>/dev/null 1>/dev/null || \ $CC -maltivec -mabi=altivec -c conftest.c 2>/dev/null 1>/dev/null ; then AC_MSG_RESULT(yes) SPECIFIC_CFLAGS="$SPECIFIC_CFLAGS -DHAVE_ALTIVEC_H" TEMP_ALTIVEC="-DHAVE_ALTIVEC_H" else AC_MSG_RESULT(no) TEMP_ALTIVEC="" fi AC_MSG_CHECKING([for Altivec compiler support]) cat > conftest.c << EOF #ifdef HAVE_ALTIVEC_H #include <altivec.h> #endif int main() { vector unsigned int vartest2 = (vector unsigned int)(0); vector unsigned int vartest3 = (vector unsigned int)(1); vartest2 = vec_add(vartest2, vartest3); return(0); } EOF if $CC $TEMP_ALTIVEC -arch ppc -faltivec -c conftest.c 2>/dev/null 1>/dev/null ; then AC_MSG_RESULT([yes (Apple)]) SPECIFIC_CFLAGS="$SPECIFIC_CFLAGS -arch ppc -faltivec -DHAVE_ALTIVEC_PARENTHESES_DECL $TEMP_ALTIVEC" PPC_ALTIVEC_SOURCES="SRC_PPC_ALTIVEC" else cat > conftest.c << EOF #ifdef HAVE_ALTIVEC_H #include <altivec.h> #endif int main() { vector unsigned int vartest2 = (vector unsigned int){0}; vector unsigned int vartest3 = (vector unsigned int){1}; vartest2 = vec_add(vartest2, vartest3); return(0); } EOF if $CC $TEMP_ALTIVEC -maltivec -mabi=altivec -c conftest.c 2>/dev/null 1>/dev/null ; then AC_MSG_RESULT([yes (GNU)]) SPECIFIC_CFLAGS="$SPECIFIC_CFLAGS -maltivec -mabi=altivec -DHAVE_ALTIVEC_BRACES_DECL $TEMP_ALTIVEC" PPC_ALTIVEC_SOURCES="SRC_PPC_ALTIVEC" else AC_MSG_RESULT([no (ppc support won't be compiled in)]) dnl Only C code can be compiled :-( ARCHITECTURE="GENERIC" fi fi rm -f conftest.* fi dnl dnl IA64 dnl if test "$ARCHITECTURE" = "IA64" ; then AS="\$(CC)" AFLAGS="-c" ASSEMBLY_EXTENSION="s" ASSEMBLY_SOURCES="SRC_IA64" case `basename $CC` in *ecc*) DCT_IA64_SOURCES="SRC_IA64_IDCT_ECC" dnl If the compiler is ecc, then i don't know its options dnl fallback to "no options" if test "$force_default_cc_options" = "yes" ; then our_cflags_defaults="" fi ;; *) DCT_IA64_SOURCES="SRC_IA64_IDCT_GCC" ;; esac fi dnl ========================================================================== dnl dnl Check for header files dnl dnl ========================================================================== AC_CHECK_HEADERS( stdio.h \ signal.h \ stdlib.h \ string.h \ assert.h \ math.h \ , , AC_MSG_ERROR(Missing header file)) dnl ========================================================================== dnl dnl Check for pthread dnl dnl ========================================================================== AC_CHECK_HEADER( pthread.h, AC_CHECK_LIB( pthread, pthread_create, AC_CHECK_LIB( pthread, pthread_join, SPECIFIC_CFLAGS="$SPECIFIC_CFLAGS -DHAVE_PTHREAD" SPECIFIC_LDFLAGS="$SPECIFIC_LDFLAGS -lpthread", AC_MSG_WARN(Pthread not supported. No SMP support)), AC_MSG_WARN(Pthread not supported. No SMP support)), AC_MSG_WARN(Pthread not supported. No SMP support)) dnl ========================================================================== dnl dnl Now we can set CFLAGS if needed dnl dnl ========================================================================== if test "$force_default_cc_options" = "yes" ; then CFLAGS="$our_cflags_defaults" fi dnl ========================================================================== dnl dnl Profiling stuff goes here dnl - adds options to SPECIFIC_CFLAGS, SPECIFIC_LDLAGS dnl - removes incompatible options from CFLAGS dnl dnl ========================================================================== SPECIFIC_LDFLAGS="$SPECIFIC_LDFLAGS $GNU_PROF_LDFLAGS" SPECIFIC_CFLAGS="$SPECIFIC_CFLAGS $GNU_PROF_CFLAGS" if test "$enable_gnuprofile" = "yes" ; then CFLAGS=`echo $CFLAGS | sed s/'-fomit-frame-pointer'/''/` fi dnl ========================================================================== dnl Some gcc flags can't be used for gcc >= 3.4.0 dnl ========================================================================== if test "$GCC" = "yes" ; then cat << EOF > test.c #include <stdio.h> int main(int argc, char **argv) { if (*argv[[1]] == 'M') { printf("%d", __GNUC__); } if (*argv[[1]] == 'm') { printf("%d", __GNUC_MINOR__); } return 0; } EOF $CC -o gcc-ver test.c GCC_MAJOR=`./gcc-ver M` GCC_MINOR=`./gcc-ver m` rm -f test.c rm -f gcc-ver # GCC 4.x if test "${GCC_MAJOR}" -gt 3 ; then CFLAGS=`echo $CFLAGS | sed s,"-mcpu","-mtune",g` CFLAGS=`echo $CFLAGS | sed s,'-freduce-all-givs','',g` CFLAGS=`echo $CFLAGS | sed s,'-fmove-all-movables','',g` CFLAGS=`echo $CFLAGS | sed s,'-fnew-ra','',g` CFLAGS=`echo $CFLAGS | sed s,'-fwritable-strings','',g` fi # GCC 3.4.x if test "${GCC_MAJOR}" -eq 3 && test "${GCC_MINOR}" -gt 3 ; then CFLAGS=`echo $CFLAGS | sed s,"-mcpu","-mtune",g` fi fi dnl ========================================================================== dnl dnl Substitions dnl dnl ========================================================================== AC_SUBST(FEATURES) AC_SUBST(ARCHITECTURE) AC_SUBST(BUS) AC_SUBST(ENDIANNESS) AC_SUBST(SHARED_EXTENSION) AC_SUBST(STATIC_EXTENSION) AC_SUBST(OBJECT_EXTENSION) AC_SUBST(NASM_FORMAT) AC_SUBST(AS) AC_SUBST(AFLAGS) AC_SUBST(ASSEMBLY_EXTENSION) AC_SUBST(GENERIC_SOURCES) AC_SUBST(ASSEMBLY_SOURCES) AC_SUBST(CC) AC_SUBST(CFLAGS) AC_SUBST(SPECIFIC_LDFLAGS) AC_SUBST(SPECIFIC_CFLAGS) AC_SUBST(DCT_IA64_SOURCES) AC_SUBST(PPC_ALTIVEC_SOURCES) AC_SUBST(RANLIB) AC_SUBST(API_MAJOR) AC_SUBST(API_MINOR) AC_SUBST(STATIC_LIB) AC_SUBST(PRE_SHARED_LIB) AC_SUBST(SHARED_LIB) dnl ========================================================================== dnl dnl Output files dnl dnl ========================================================================== AC_CONFIG_FILES(platform.inc) AC_OUTPUT
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