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Revision 824 - (view) (download)
| 1 : | edgomez | 824 | dnl ========================================================================== |
| 2 : | dnl | ||
| 3 : | dnl Autoconf script for XviD | ||
| 4 : | dnl | ||
| 5 : | dnl Copyright(C) 2003 Edouard Gomez <ed.gomez@free.fr> | ||
| 6 : | dnl | ||
| 7 : | dnl ========================================================================== | ||
| 8 : | |||
| 9 : | AC_INIT([XviD], [0.9.1 (wip)], [xvid-devel@xvid.org]) | ||
| 10 : | AC_CONFIG_SRCDIR(configure.in) | ||
| 11 : | |||
| 12 : | dnl NASM version requirement | ||
| 13 : | minimum_nasm_patch_version=34 | ||
| 14 : | nasm_prog="nasm" | ||
| 15 : | |||
| 16 : | dnl Default CFLAGS -- Big impact on overall speed | ||
| 17 : | our_cflags_defaults="-Wall" | ||
| 18 : | our_cflags_defaults="$our_cflags_defaults -O2" | ||
| 19 : | our_cflags_defaults="$our_cflags_defaults -fPIC" | ||
| 20 : | our_cflags_defaults="$our_cflags_defaults -fomit-frame-pointer" | ||
| 21 : | our_cflags_defaults="$our_cflags_defaults -ffast-math" | ||
| 22 : | our_cflags_defaults="$our_cflags_defaults -funroll-loops" | ||
| 23 : | our_cflags_defaults="$our_cflags_defaults -fschedule-insns" | ||
| 24 : | our_cflags_defaults="$our_cflags_defaults -fschedule-insns2" | ||
| 25 : | |||
| 26 : | dnl ========================================================================== | ||
| 27 : | dnl Features - configure options | ||
| 28 : | dnl ========================================================================== | ||
| 29 : | |||
| 30 : | FEATURES="" | ||
| 31 : | DIVX4COMPAT_SOURCES="" | ||
| 32 : | |||
| 33 : | dnl BIGLUT aka old VLC code | ||
| 34 : | AC_ARG_ENABLE(oldvlc, | ||
| 35 : | AC_HELP_STRING([--enable-oldvlc], | ||
| 36 : | [Enable old VLC code (Needs much more memory ~10MB)]), | ||
| 37 : | [if test "$enable_oldvlc" = "yes" ; then | ||
| 38 : | FEATURES="$FEATURES -DBIGLUT" | ||
| 39 : | fi]) | ||
| 40 : | |||
| 41 : | dnl Internal Debug | ||
| 42 : | AC_ARG_ENABLE(idebug, | ||
| 43 : | AC_HELP_STRING([--enable-idebug], | ||
| 44 : | [Enable internal debug function]), | ||
| 45 : | [if test "$enable_idebug" = "yes" ; then | ||
| 46 : | FEATURES="$FEATURES -D_DEBUG" | ||
| 47 : | fi]) | ||
| 48 : | |||
| 49 : | dnl Internal Profile | ||
| 50 : | AC_ARG_ENABLE(iprofile, | ||
| 51 : | AC_HELP_STRING([--enable-iprofile], | ||
| 52 : | [Enable internal profiling]), | ||
| 53 : | [if test "$enable_iprofile" = "yes" ; then | ||
| 54 : | FEATURES="$FEATURES -D_PROFILING_" | ||
| 55 : | fi]) | ||
| 56 : | |||
| 57 : | dnl Assembly code | ||
| 58 : | AC_ARG_ENABLE(assembly, | ||
| 59 : | AC_HELP_STRING([--disable-assembly], | ||
| 60 : | [Disable assembly code]), | ||
| 61 : | [if test "$enable_assembly" = "no" ; then | ||
| 62 : | assembly="no" | ||
| 63 : | else | ||
| 64 : | if test "$enable_assembly" = "yes" ; then | ||
| 65 : | assembly="yes" | ||
| 66 : | fi | ||
| 67 : | fi], | ||
| 68 : | [assembly="yes"]) | ||
| 69 : | |||
| 70 : | dnl Internal Debug | ||
| 71 : | AC_ARG_ENABLE(divx4compat, | ||
| 72 : | AC_HELP_STRING([--enable-divx4compat], | ||
| 73 : | [Enable DivX4 compatibility API]), | ||
| 74 : | [if test "$enable_divx4compat" = "yes" ; then | ||
| 75 : | DIVX4COMPAT_SOURCES="SRC_DIVX4COMPAT" | ||
| 76 : | fi]) | ||
| 77 : | |||
| 78 : | |||
| 79 : | dnl ========================================================================== | ||
| 80 : | dnl Default install prefix and checks build type | ||
| 81 : | dnl ========================================================================== | ||
| 82 : | |||
| 83 : | AC_PREFIX_DEFAULT("/usr/local") | ||
| 84 : | AC_CANONICAL_BUILD | ||
| 85 : | AC_CANONICAL_HOST | ||
| 86 : | AC_CANONICAL_TARGET | ||
| 87 : | |||
| 88 : | dnl ========================================================================== | ||
| 89 : | dnl Check for the C compiler (could be passed on command line) | ||
| 90 : | dnl ========================================================================== | ||
| 91 : | |||
| 92 : | dnl | ||
| 93 : | dnl First we test if CFLAGS have been passed on command line | ||
| 94 : | dnl I do that because autoconf defaults (-g -O2) suck and they would kill | ||
| 95 : | dnl performance. To prevent that we define a good defult CFLAGS at the end | ||
| 96 : | dnl of the script if and only if CFLAGS has not been passed on the command | ||
| 97 : | dnl line | ||
| 98 : | dnl | ||
| 99 : | AC_MSG_CHECKING(whether to use default CFLAGS) | ||
| 100 : | if test x"$CFLAGS" = x"" ; then | ||
| 101 : | force_default_cc_options="yes" | ||
| 102 : | CFLAGS="$our_cflags_defaults" | ||
| 103 : | AC_MSG_RESULT([yes]) | ||
| 104 : | else | ||
| 105 : | force_default_cc_options="no" | ||
| 106 : | AC_MSG_RESULT([no]) | ||
| 107 : | fi | ||
| 108 : | |||
| 109 : | dnl Now we can safely check for the C compiler | ||
| 110 : | AC_PROG_CC | ||
| 111 : | |||
| 112 : | dnl ========================================================================== | ||
| 113 : | dnl Check for the install program | ||
| 114 : | dnl ========================================================================== | ||
| 115 : | |||
| 116 : | AC_PROG_INSTALL | ||
| 117 : | |||
| 118 : | dnl ========================================================================== | ||
| 119 : | dnl | ||
| 120 : | dnl This part looks for: | ||
| 121 : | dnl | ||
| 122 : | dnl ARCHITECTURE : The platform architecture | ||
| 123 : | dnl - IA32 for mmx, mmx-ext, mmx2, sse assembly | ||
| 124 : | dnl - IA64 | ||
| 125 : | dnl - PPC for PowerPC assembly routines | ||
| 126 : | dnl - GENERIC for plain C sources only | ||
| 127 : | dnl | ||
| 128 : | dnl BUS: Address bus size (in bits) | ||
| 129 : | dnl - 32 | ||
| 130 : | dnl - 64 | ||
| 131 : | dnl | ||
| 132 : | dnl ENDIANNESS: I think you can guess what this thing means :-) | ||
| 133 : | dnl - LITTLE_ENDIAN | ||
| 134 : | dnl - BIG_ENDIAN | ||
| 135 : | dnl | ||
| 136 : | dnl ========================================================================== | ||
| 137 : | |||
| 138 : | dnl | ||
| 139 : | dnl Looking what sources have to be compiled according to the CPU type | ||
| 140 : | dnl | ||
| 141 : | |||
| 142 : | ARCHITECTURE="" | ||
| 143 : | |||
| 144 : | AC_MSG_CHECKING([for whether to use assembly code]) | ||
| 145 : | if test x"$assembly" = x"yes" ; then | ||
| 146 : | AC_MSG_RESULT([yes]) | ||
| 147 : | AC_MSG_CHECKING([for architecture type]) | ||
| 148 : | case "$target_cpu" in | ||
| 149 : | i[[3456]]86) | ||
| 150 : | AC_MSG_RESULT(ia32) | ||
| 151 : | ARCHITECTURE="IA32" | ||
| 152 : | ;; | ||
| 153 : | powerpc) | ||
| 154 : | AC_MSG_RESULT(PowerPC) | ||
| 155 : | ARCHITECTURE="PPC" | ||
| 156 : | ;; | ||
| 157 : | ia64) | ||
| 158 : | AC_MSG_RESULT(ia64) | ||
| 159 : | ARCHITECTURE="IA64" | ||
| 160 : | ;; | ||
| 161 : | *) | ||
| 162 : | AC_MSG_RESULT($target_cpu) | ||
| 163 : | ARCHITECTURE="GENERIC" | ||
| 164 : | ;; | ||
| 165 : | esac | ||
| 166 : | else | ||
| 167 : | AC_MSG_RESULT([no]) | ||
| 168 : | ARCHITECTURE="GENERIC" | ||
| 169 : | fi | ||
| 170 : | |||
| 171 : | dnl | ||
| 172 : | dnl Testing address bus length | ||
| 173 : | dnl | ||
| 174 : | BUS="" | ||
| 175 : | |||
| 176 : | AC_CHECK_SIZEOF([int *]) | ||
| 177 : | case "$ac_cv_sizeof_int_p" in | ||
| 178 : | 4) | ||
| 179 : | BUS="32BIT" | ||
| 180 : | ;; | ||
| 181 : | 8) | ||
| 182 : | BUS="64BIT" | ||
| 183 : | ;; | ||
| 184 : | *) | ||
| 185 : | AC_MSG_ERROR([XviD supports only 32/64 bit architectures]) | ||
| 186 : | ;; | ||
| 187 : | esac | ||
| 188 : | |||
| 189 : | dnl | ||
| 190 : | dnl Testing endianness | ||
| 191 : | dnl | ||
| 192 : | ENDIANNESS="" | ||
| 193 : | |||
| 194 : | AC_C_BIGENDIAN(ENDIANNESS="BIG_ENDIAN", ENDIANNESS="LITTLE_ENDIAN") | ||
| 195 : | |||
| 196 : | dnl ========================================================================== | ||
| 197 : | dnl | ||
| 198 : | dnl Check for OS specific variables | ||
| 199 : | dnl - SHARED_EXTENSION, STATIC_EXTENSION, OBJECT_EXTENSION | ||
| 200 : | dnl | ||
| 201 : | dnl ========================================================================== | ||
| 202 : | |||
| 203 : | AC_MSG_CHECKING(for build extensions) | ||
| 204 : | SHARED_EXTENSION="" | ||
| 205 : | STATIC_EXTENSION="" | ||
| 206 : | OBJECT_EXTENSION="" | ||
| 207 : | case "$target_os" in | ||
| 208 : | *bsd*|linux*|beos|irix*|solaris*) | ||
| 209 : | AC_MSG_RESULT([.so .a .o]) | ||
| 210 : | STATIC_EXTENSION="a" | ||
| 211 : | SHARED_EXTENSION="so" | ||
| 212 : | OBJECT_EXTENSION="o" | ||
| 213 : | ;; | ||
| 214 : | [[cC]][[yY]][[gG]][[wW]][[iI]][[nN]]|mingw32|mks) | ||
| 215 : | AC_MSG_RESULT([.dll .lib .obj]) | ||
| 216 : | STATIC_EXTENSION="lib" | ||
| 217 : | SHARED_EXTENSION="dll" | ||
| 218 : | OBJECT_EXTENSION="obj" | ||
| 219 : | ;; | ||
| 220 : | darwin*|raphsody*) | ||
| 221 : | AC_MSG_RESULT([.dynlib .a .o]) | ||
| 222 : | STATIC_EXTENSION="a" | ||
| 223 : | SHARED_EXTENSION="dylib" | ||
| 224 : | OBJECT_EXTENSION="o" | ||
| 225 : | ;; | ||
| 226 : | *) | ||
| 227 : | AC_MSG_RESULT([Unknown OS - Using .so .a .o]) | ||
| 228 : | STATIC_EXTENSION="a" | ||
| 229 : | SHARED_EXTENSION="so" | ||
| 230 : | OBJECT_EXTENSION="o" | ||
| 231 : | ;; | ||
| 232 : | esac | ||
| 233 : | |||
| 234 : | AC_MSG_CHECKING(for platform specific LDFLAGS/CFLAGS) | ||
| 235 : | OS_LDFLAGS="" | ||
| 236 : | case "$target_os" in | ||
| 237 : | *bsd*|linux*|irix*|solaris*) | ||
| 238 : | AC_MSG_RESULT([-shared -lc -lm]) | ||
| 239 : | OS_LDFLAGS="-shared -lc -lm" | ||
| 240 : | ;; | ||
| 241 : | [[cC]][[yY]][[gG]][[wW]][[iI]][[nN]]|mingw32|mks) | ||
| 242 : | AC_MSG_RESULT([-shared -Wl,--dll,--out-implib,\$@.a]) | ||
| 243 : | OS_LDFLAGS="-shared -Wl,--dll,--out-implib,\$@.a libxvidcore.def" | ||
| 244 : | CFLAGS="$CFLAGS -mno-cygwin" | ||
| 245 : | ;; | ||
| 246 : | darwin*|raphsody*) | ||
| 247 : | AC_MSG_RESULT([-dynamiclib]) | ||
| 248 : | OS_LDFLAGS="-dynamiclib" | ||
| 249 : | CFLAGS="$CFLAGS -fno-common" | ||
| 250 : | ;; | ||
| 251 : | beos) | ||
| 252 : | AC_MSG_RESULT([-nostart]) | ||
| 253 : | OS_LDFLAGS="-nostart" | ||
| 254 : | ;; | ||
| 255 : | *) | ||
| 256 : | AC_MSG_RESULT([Unknown OS - -shared -lc -lm]) | ||
| 257 : | OS_LDFLAGS="" | ||
| 258 : | ;; | ||
| 259 : | esac | ||
| 260 : | |||
| 261 : | dnl ========================================================================== | ||
| 262 : | dnl | ||
| 263 : | dnl Assembler stuff - AS, AFLAGS, ASSEMBLY_EXTENSION, SOURCES | ||
| 264 : | dnl | ||
| 265 : | dnl ========================================================================== | ||
| 266 : | |||
| 267 : | AS="" | ||
| 268 : | AFLAGS="" | ||
| 269 : | ASSEMBLY_EXTENSION="" | ||
| 270 : | GENERIC_SOURCES="SRC_GENERIC" | ||
| 271 : | ASSEMBLY_SOURCES="" | ||
| 272 : | |||
| 273 : | dnl | ||
| 274 : | dnl IA32 | ||
| 275 : | dnl | ||
| 276 : | |||
| 277 : | if test "$ARCHITECTURE" = "IA32" ; then | ||
| 278 : | |||
| 279 : | dnl | ||
| 280 : | dnl Checking nasm existence | ||
| 281 : | dnl | ||
| 282 : | AC_CHECK_PROG([ac_nasm], [$nasm_prog], [yes], [no], , [yes]) | ||
| 283 : | if test "$ac_nasm" = "yes" ; then | ||
| 284 : | |||
| 285 : | dnl | ||
| 286 : | dnl Checking nasm patch version | ||
| 287 : | dnl | ||
| 288 : | AC_MSG_CHECKING([for nasm patch version]) | ||
| 289 : | nasm_patch=`nasm -r | cut -d '.' -f 3 | cut -d ' ' -f 1` | ||
| 290 : | AC_MSG_RESULT([$nasm_patch]) | ||
| 291 : | |||
| 292 : | if test "$nasm_patch" -lt "$minimum_nasm_patch_version" ; then | ||
| 293 : | AC_MSG_WARN([nasm patch version too old - Compiling generic sources only]) | ||
| 294 : | ARCHITECTURE="GENERIC" | ||
| 295 : | else | ||
| 296 : | |||
| 297 : | dnl | ||
| 298 : | dnl Checking nasm format - win32 or elf | ||
| 299 : | dnl | ||
| 300 : | AC_MSG_CHECKING([for nasm object format]) | ||
| 301 : | case "$target_os" in | ||
| 302 : | *bsd*|linux*|beos|irix*|solaris*) | ||
| 303 : | AC_MSG_RESULT([elf]) | ||
| 304 : | NASM_FORMAT="elf" | ||
| 305 : | PREFIX="" | ||
| 306 : | ;; | ||
| 307 : | [[cC]][[yY]][[gG]][[wW]][[iI]][[nN]]|mingw32|mks) | ||
| 308 : | AC_MSG_RESULT([win32]) | ||
| 309 : | NASM_FORMAT="win32" | ||
| 310 : | PREFIX="-DPREFIX" | ||
| 311 : | ;; | ||
| 312 : | esac | ||
| 313 : | |||
| 314 : | AS=nasm | ||
| 315 : | AFLAGS="-I\$(<D) -f $NASM_FORMAT $PREFIX" | ||
| 316 : | ASSEMBLY_EXTENSION="asm" | ||
| 317 : | ASSEMBLY_SOURCES="SRC_IA32" | ||
| 318 : | fi | ||
| 319 : | |||
| 320 : | else | ||
| 321 : | AC_MSG_WARN([nasm not found - Compiling generic sources only]) | ||
| 322 : | ARCHITECTURE="GENERIC" | ||
| 323 : | fi | ||
| 324 : | |||
| 325 : | fi | ||
| 326 : | |||
| 327 : | dnl | ||
| 328 : | dnl PPC | ||
| 329 : | dnl | ||
| 330 : | |||
| 331 : | if test "$ARCHITECTURE" = "PPC" ; then | ||
| 332 : | AS="\$(CC)" | ||
| 333 : | AFLAGS="-c" | ||
| 334 : | ASSEMBLY_EXTENSION="s" | ||
| 335 : | ASSEMBLY_SOURCES="SRC_PPC" | ||
| 336 : | AC_MSG_CHECKING([for Altivec support]) | ||
| 337 : | cat > conftest.S << EOF | ||
| 338 : | .text | ||
| 339 : | vxor 0,0,0 | ||
| 340 : | EOF | ||
| 341 : | if $CC -c conftest.S 2>/dev/null 1>/dev/null ; then | ||
| 342 : | AC_MSG_RESULT(yes) | ||
| 343 : | CFLAGS="$CFLAGS -DARCH_IS_PPC_ALTIVEC" | ||
| 344 : | ASSEMBLY_SOURCES="SRC_ALTIVEC" | ||
| 345 : | else | ||
| 346 : | AC_MSG_RESULT(no) | ||
| 347 : | fi | ||
| 348 : | rm -f conftest.* | ||
| 349 : | fi | ||
| 350 : | |||
| 351 : | dnl | ||
| 352 : | dnl IA64 | ||
| 353 : | dnl | ||
| 354 : | |||
| 355 : | if test "$ARCHITECTURE" = "IA64" ; then | ||
| 356 : | AS="\$(CC)" | ||
| 357 : | AFLAGS="-c" | ||
| 358 : | ASSEMBLY_EXTENSION="s" | ||
| 359 : | ASSEMBLY_SOURCES="SRC_IA64" | ||
| 360 : | fi | ||
| 361 : | |||
| 362 : | dnl ========================================================================== | ||
| 363 : | dnl | ||
| 364 : | dnl Check for header files | ||
| 365 : | dnl | ||
| 366 : | dnl ========================================================================== | ||
| 367 : | |||
| 368 : | AC_CHECK_HEADERS( | ||
| 369 : | stdio.h \ | ||
| 370 : | signal.h \ | ||
| 371 : | , , AC_MSG_ERROR(Missing header file)) | ||
| 372 : | |||
| 373 : | dnl ========================================================================== | ||
| 374 : | dnl | ||
| 375 : | dnl Substitions | ||
| 376 : | dnl | ||
| 377 : | dnl ========================================================================== | ||
| 378 : | |||
| 379 : | AC_SUBST(FEATURES) | ||
| 380 : | AC_SUBST(ARCHITECTURE) | ||
| 381 : | AC_SUBST(BUS) | ||
| 382 : | AC_SUBST(ENDIANNESS) | ||
| 383 : | AC_SUBST(SHARED_EXTENSION) | ||
| 384 : | AC_SUBST(STATIC_EXTENSION) | ||
| 385 : | AC_SUBST(OBJECT_EXTENSION) | ||
| 386 : | AC_SUBST(NASM_FORMAT) | ||
| 387 : | AC_SUBST(AS) | ||
| 388 : | AC_SUBST(AFLAGS) | ||
| 389 : | AC_SUBST(ASSEMBLY_EXTENSION) | ||
| 390 : | AC_SUBST(GENERIC_SOURCES) | ||
| 391 : | AC_SUBST(ASSEMBLY_SOURCES) | ||
| 392 : | AC_SUBST(CC) | ||
| 393 : | AC_SUBST(CFLAGS) | ||
| 394 : | AC_SUBST(OS_LDFLAGS) | ||
| 395 : | AC_SUBST(DIVX4COMPAT_SOURCES) | ||
| 396 : | |||
| 397 : | dnl ========================================================================== | ||
| 398 : | dnl | ||
| 399 : | dnl Output files | ||
| 400 : | dnl | ||
| 401 : | dnl ========================================================================== | ||
| 402 : | |||
| 403 : | AC_CONFIG_FILES(platform.inc) | ||
| 404 : | |||
| 405 : | AC_OUTPUT |
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