1 #!/bin/bash 2 ## 3 ## configure 4 ## 5 ## This script is the front-end to the build system. It provides a similar 6 ## interface to standard configure scripts with some extra bits for dealing 7 ## with toolchains that differ from the standard POSIX interface and 8 ## for extracting subsets of the source tree. In theory, reusable parts 9 ## of this script were intended to live in build/make/configure.sh, 10 ## but in practice, the line is pretty blurry. 11 ## 12 ## This build system is based in part on the FFmpeg configure script. 13 ## 14 15 #source_path="`dirname \"$0\"`" 16 source_path=${0%/*} 17 . "${source_path}/build/make/configure.sh" 18 19 show_help(){ 20 show_help_pre 21 cat << EOF 22 Advanced options: 23 ${toggle_libs} don't build libraries 24 ${toggle_examples} don't build examples 25 --libc=PATH path to alternate libc 26 --as={yasm|nasm|auto} use specified assembler [auto, yasm preferred] 27 ${toggle_fast_unaligned} don't use unaligned accesses, even when 28 supported by hardware [auto] 29 ${toggle_codec_srcs} in/exclude codec library source code 30 ${toggle_debug_libs} in/exclude debug version of libraries 31 ${toggle_md5} support for output of checksum data 32 ${toggle_static_msvcrt} use static MSVCRT (VS builds only) 33 ${toggle_vp8} VP8 codec support 34 ${toggle_psnr} output of PSNR data, if supported (encoders) 35 ${toggle_mem_tracker} track memory usage 36 ${toggle_postproc} postprocessing 37 ${toggle_multithread} multithreaded encoding and decoding. 38 ${toggle_spatial_resampling} spatial sampling (scaling) support 39 ${toggle_realtime_only} enable this option while building for real-time encoding 40 ${toggle_runtime_cpu_detect} runtime cpu detection 41 ${toggle_shared} shared library support 42 ${toggle_small} favor smaller size over speed 43 ${toggle_postproc_visualizer} macro block / block level visualizers 44 45 Codecs: 46 Codecs can be selectively enabled or disabled individually, or by family: 47 --disable-<codec> 48 is equivalent to: 49 --disable-<codec>-encoder 50 --disable-<codec>-decoder 51 52 Codecs available in this distribution: 53 EOF 54 #restore editor state ' 55 56 local family; 57 local last_family; 58 local c; 59 local str; 60 for c in ${CODECS}; do 61 family=${c%_*} 62 if [ "${family}" != "${last_family}" ]; then 63 [ -z "${str}" ] || echo "${str}" 64 str="$(printf ' %10s:' ${family})" 65 fi 66 str="${str} $(printf '%10s' ${c#*_})" 67 last_family=${family} 68 done 69 echo "${str}" 70 show_help_post 71 } 72 73 ## 74 ## BEGIN APPLICATION SPECIFIC CONFIGURATION 75 ## 76 77 # all_platforms is a list of all supported target platforms. Maintain 78 # alphabetically by architecture, generic-gnu last. 79 all_platforms="${all_platforms} armv5te-linux-rvct" 80 all_platforms="${all_platforms} armv5te-linux-gcc" 81 all_platforms="${all_platforms} armv5te-none-rvct" 82 all_platforms="${all_platforms} armv5te-symbian-gcc" 83 all_platforms="${all_platforms} armv6-darwin-gcc" 84 all_platforms="${all_platforms} armv6-linux-rvct" 85 all_platforms="${all_platforms} armv6-linux-gcc" 86 all_platforms="${all_platforms} armv6-none-rvct" 87 all_platforms="${all_platforms} armv6-symbian-gcc" 88 all_platforms="${all_platforms} iwmmxt-linux-rvct" 89 all_platforms="${all_platforms} iwmmxt-linux-gcc" 90 all_platforms="${all_platforms} iwmmxt2-linux-rvct" 91 all_platforms="${all_platforms} iwmmxt2-linux-gcc" 92 all_platforms="${all_platforms} armv7-darwin-gcc" #neon Cortex-A8 93 all_platforms="${all_platforms} armv7-linux-rvct" #neon Cortex-A8 94 all_platforms="${all_platforms} armv7-linux-gcc" #neon Cortex-A8 95 all_platforms="${all_platforms} armv7-none-rvct" #neon Cortex-A8 96 all_platforms="${all_platforms} mips32-linux-gcc" 97 all_platforms="${all_platforms} ppc32-darwin8-gcc" 98 all_platforms="${all_platforms} ppc32-darwin9-gcc" 99 all_platforms="${all_platforms} ppc32-linux-gcc" 100 all_platforms="${all_platforms} ppc64-darwin8-gcc" 101 all_platforms="${all_platforms} ppc64-darwin9-gcc" 102 all_platforms="${all_platforms} ppc64-linux-gcc" 103 all_platforms="${all_platforms} sparc-solaris-gcc" 104 all_platforms="${all_platforms} x86-darwin8-gcc" 105 all_platforms="${all_platforms} x86-darwin8-icc" 106 all_platforms="${all_platforms} x86-darwin9-gcc" 107 all_platforms="${all_platforms} x86-darwin9-icc" 108 all_platforms="${all_platforms} x86-linux-gcc" 109 all_platforms="${all_platforms} x86-linux-icc" 110 all_platforms="${all_platforms} x86-solaris-gcc" 111 all_platforms="${all_platforms} x86-win32-gcc" 112 all_platforms="${all_platforms} x86-win32-vs7" 113 all_platforms="${all_platforms} x86-win32-vs8" 114 all_platforms="${all_platforms} x86-win32-vs9" 115 all_platforms="${all_platforms} x86_64-darwin9-gcc" 116 all_platforms="${all_platforms} x86_64-darwin10-gcc" 117 all_platforms="${all_platforms} x86_64-linux-gcc" 118 all_platforms="${all_platforms} x86_64-linux-icc" 119 all_platforms="${all_platforms} x86_64-solaris-gcc" 120 all_platforms="${all_platforms} x86_64-win64-vs8" 121 all_platforms="${all_platforms} x86_64-win64-vs9" 122 all_platforms="${all_platforms} universal-darwin8-gcc" 123 all_platforms="${all_platforms} universal-darwin9-gcc" 124 all_platforms="${all_platforms} generic-gnu" 125 126 # all_targets is a list of all targets that can be configured 127 # note that these should be in dependency order for now. 128 all_targets="libs examples docs" 129 130 # all targets available are enabled, by default. 131 for t in ${all_targets}; do 132 [ -f ${source_path}/${t}.mk ] && enable ${t} 133 done 134 135 # check installed doxygen version 136 doxy_version=$(doxygen --version 2>/dev/null) 137 doxy_major=${doxy_version%%.*} 138 if [ ${doxy_major:-0} -ge 1 ]; then 139 doxy_version=${doxy_version#*.} 140 doxy_minor=${doxy_version%%.*} 141 doxy_patch=${doxy_version##*.} 142 143 [ $doxy_major -gt 1 ] && enable doxygen 144 [ $doxy_minor -gt 5 ] && enable doxygen 145 [ $doxy_minor -eq 5 ] && [ $doxy_patch -ge 3 ] && enable doxygen 146 fi 147 148 # install everything except the sources, by default. sources will have 149 # to be enabled when doing dist builds, since that's no longer a common 150 # case. 151 enabled doxygen && php -v >/dev/null 2>&1 && enable install_docs 152 enable install_bins 153 enable install_libs 154 155 enable optimizations 156 enable fast_unaligned #allow unaligned accesses, if supported by hw 157 enable md5 158 enable spatial_resampling 159 enable multithread 160 enable os_support 161 162 [ -d ${source_path}/../include ] && enable alt_tree_layout 163 for d in vp8; do 164 [ -d ${source_path}/${d} ] && disable alt_tree_layout; 165 done 166 167 if ! enabled alt_tree_layout; then 168 # development environment 169 [ -d ${source_path}/vp8 ] && CODECS="${CODECS} vp8_encoder vp8_decoder" 170 else 171 # customer environment 172 [ -f ${source_path}/../include/vpx/vp8cx.h ] && CODECS="${CODECS} vp8_encoder" 173 [ -f ${source_path}/../include/vpx/vp8dx.h ] && CODECS="${CODECS} vp8_decoder" 174 175 [ -f ${source_path}/../lib/*/*mt.lib ] && soft_enable static_msvcrt 176 fi 177 178 CODECS="$(echo ${CODECS} | tr ' ' '\n')" 179 CODEC_FAMILIES="$(for c in ${CODECS}; do echo ${c%_*}; done | sort | uniq)" 180 181 ARCH_LIST=" 182 arm 183 mips 184 x86 185 x86_64 186 ppc32 187 ppc64 188 " 189 ARCH_EXT_LIST=" 190 armv5te 191 armv6 192 armv7 193 iwmmxt 194 iwmmxt2 195 196 mips32 197 198 mmx 199 sse 200 sse2 201 sse3 202 ssse3 203 sse4_1 204 205 altivec 206 " 207 HAVE_LIST=" 208 ${ARCH_EXT_LIST} 209 vpx_ports 210 stdint_h 211 alt_tree_layout 212 pthread_h 213 sys_mman_h 214 " 215 CONFIG_LIST=" 216 external_build 217 install_docs 218 install_bins 219 install_libs 220 install_srcs 221 debug 222 gprof 223 gcov 224 rvct 225 gcc 226 msvs 227 pic 228 big_endian 229 230 codec_srcs 231 debug_libs 232 fast_unaligned 233 mem_manager 234 mem_tracker 235 mem_checks 236 md5 237 238 dequant_tokens 239 dc_recon 240 runtime_cpu_detect 241 postproc 242 multithread 243 psnr 244 ${CODECS} 245 ${CODEC_FAMILIES} 246 encoders 247 decoders 248 static_msvcrt 249 spatial_resampling 250 realtime_only 251 shared 252 small 253 postproc_visualizer 254 os_support 255 " 256 CMDLINE_SELECT=" 257 extra_warnings 258 werror 259 install_docs 260 install_bins 261 install_libs 262 install_srcs 263 debug 264 gprof 265 gcov 266 pic 267 optimizations 268 ccache 269 runtime_cpu_detect 270 271 libs 272 examples 273 libc 274 as 275 fast_unaligned 276 codec_srcs 277 debug_libs 278 md5 279 280 dequant_tokens 281 dc_recon 282 postproc 283 multithread 284 psnr 285 ${CODECS} 286 ${CODEC_FAMILIES} 287 static_msvcrt 288 mem_tracker 289 spatial_resampling 290 realtime_only 291 shared 292 small 293 postproc_visualizer 294 " 295 296 process_cmdline() { 297 for opt do 298 optval="${opt#*=}" 299 case "$opt" in 300 --disable-codecs) for c in ${CODECS}; do disable $c; done ;; 301 *) process_common_cmdline "$opt" 302 ;; 303 esac 304 done 305 } 306 307 post_process_cmdline() { 308 local c 309 310 # If the codec family is disabled, disable all components of that family. 311 # If the codec family is enabled, enable all components of that family. 312 log_echo "Configuring selected codecs" 313 for c in ${CODECS}; do 314 disabled ${c%%_*} && disable ${c} 315 enabled ${c%%_*} && enable ${c} 316 done 317 318 # Enable all detected codecs, if they haven't been disabled 319 for c in ${CODECS}; do soft_enable $c; done 320 321 # Enable the codec family if any component of that family is enabled 322 for c in ${CODECS}; do 323 enabled $c && enable ${c%_*} 324 done 325 326 # Set the {en,de}coders variable if any algorithm in that class is enabled 327 for c in ${CODECS}; do 328 enabled ${c} && enable ${c##*_}s 329 done 330 } 331 332 333 process_targets() { 334 enabled child || write_common_config_banner 335 enabled universal || write_common_target_config_h ${BUILD_PFX}vpx_config.h 336 337 # TODO: add host tools target (obj_int_extract, etc) 338 339 # For fat binaries, call configure recursively to configure for each 340 # binary architecture to be included. 341 if enabled universal; then 342 # Call configure (ourselves) for each subarchitecture 343 for arch in $fat_bin_archs; do 344 BUILD_PFX=${arch}/ toolchain=${arch} $self --child $cmdline_args || exit $? 345 done 346 fi 347 348 # The write_common_config (config.mk) logic is deferred until after the 349 # recursive calls to configure complete, becuase we want our universal 350 # targets to be executed last. 351 write_common_config_targets 352 enabled universal && echo "FAT_ARCHS=${fat_bin_archs}" >> config.mk 353 354 # Calculate the default distribution name, based on the enabled features 355 local cf 356 local DIST_DIR=vpx 357 for cf in $CODEC_FAMILIES; do 358 if enabled ${cf}_encoder && enabled ${cf}_decoder; then 359 DIST_DIR="${DIST_DIR}-${cf}" 360 elif enabled ${cf}_encoder; then 361 DIST_DIR="${DIST_DIR}-${cf}cx" 362 elif enabled ${cf}_decoder; then 363 DIST_DIR="${DIST_DIR}-${cf}dx" 364 fi 365 done 366 enabled debug_libs && DIST_DIR="${DIST_DIR}-debug" 367 enabled codec_srcs && DIST_DIR="${DIST_DIR}-src" 368 ! enabled postproc && DIST_DIR="${DIST_DIR}-nopost" 369 ! enabled multithread && DIST_DIR="${DIST_DIR}-nomt" 370 ! enabled install_docs && DIST_DIR="${DIST_DIR}-nodocs" 371 DIST_DIR="${DIST_DIR}-${tgt_isa}-${tgt_os}" 372 case "${tgt_os}" in 373 win*) enabled static_msvcrt && DIST_DIR="${DIST_DIR}mt" || DIST_DIR="${DIST_DIR}md" 374 DIST_DIR="${DIST_DIR}-${tgt_cc}" 375 ;; 376 esac 377 if [ -f "${source_path}/build/make/version.sh" ]; then 378 local ver=`"$source_path/build/make/version.sh" --bare $source_path` 379 DIST_DIR="${DIST_DIR}-${ver}" 380 VERSION_STRING=${ver} 381 ver=${ver%%-*} 382 VERSION_PATCH=${ver##*.} 383 ver=${ver%.*} 384 VERSION_MINOR=${ver##*.} 385 ver=${ver#v} 386 VERSION_MAJOR=${ver%.*} 387 fi 388 enabled child || cat <<EOF >> config.mk 389 390 PREFIX=${prefix} 391 ifeq (\$(MAKECMDGOALS),dist) 392 DIST_DIR?=${DIST_DIR} 393 else 394 DIST_DIR?=\$(DESTDIR)${prefix} 395 endif 396 LIBSUBDIR=${libdir##${prefix}/} 397 398 VERSION_STRING=${VERSION_STRING} 399 400 VERSION_MAJOR=${VERSION_MAJOR} 401 VERSION_MINOR=${VERSION_MINOR} 402 VERSION_PATCH=${VERSION_PATCH} 403 404 CONFIGURE_ARGS=${CONFIGURE_ARGS} 405 EOF 406 enabled child || echo "CONFIGURE_ARGS?=${CONFIGURE_ARGS}" >> config.mk 407 408 # 409 # Write makefiles for all enabled targets 410 # 411 for tgt in libs examples docs solution; do 412 local tgt_fn="$tgt-$toolchain.mk" 413 414 if enabled $tgt; then 415 echo "Creating makefiles for ${toolchain} ${tgt}" 416 write_common_target_config_mk $tgt_fn ${BUILD_PFX}vpx_config.h 417 #write_${tgt}_config 418 fi 419 done 420 421 } 422 423 process_detect() { 424 if enabled shared; then 425 # Can only build shared libs on a subset of platforms. Doing this check 426 # here rather than at option parse time because the target auto-detect 427 # magic happens after the command line has been parsed. 428 enabled linux || die "--enable-shared only supported on ELF for now" 429 fi 430 if [ -z "$CC" ]; then 431 echo "Bypassing toolchain for environment detection." 432 enable external_build 433 check_header() { 434 log fake_check_header "$@" 435 header=$1 436 shift 437 var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'` 438 disable $var 439 case $header in 440 stdio.h) 441 true; 442 ;; 443 *) 444 local result=false 445 for d in "$@"; do 446 [ -f "${d##-I}/$header" ] && result=true && break 447 done 448 ${result:-true} 449 esac && enable $var 450 } 451 check_ld() { 452 true 453 } 454 fi 455 check_header stdio.h || die "Unable to invoke compiler: ${CC} ${CFLAGS}" 456 check_ld <<EOF || die "Toolchain is unable to link executables" 457 int main(void) {return 0;} 458 EOF 459 # check system headers 460 check_header stdint.h 461 check_header pthread.h 462 check_header sys/mman.h 463 464 check_header vpx/vpx_integer.h -I${source_path} && enable vpx_ports 465 } 466 467 process_toolchain() { 468 process_common_toolchain 469 470 # Handle universal binaries for this architecture 471 case $toolchain in 472 universal-darwin*) 473 local darwin_ver=${tgt_os##darwin} 474 fat_bin_archs="$fat_bin_archs ppc32-${tgt_os}-gcc" 475 476 # Intel 477 fat_bin_archs="$fat_bin_archs x86-${tgt_os}-${tgt_cc}" 478 if [ $darwin_ver -gt 8 ]; then 479 fat_bin_archs="$fat_bin_archs x86_64-${tgt_os}-${tgt_cc}" 480 fi 481 ;; 482 esac 483 484 485 # Enable some useful compiler flags 486 if enabled gcc; then 487 enabled werror && check_add_cflags -Werror 488 check_add_cflags -Wall 489 check_add_cflags -Wdeclaration-after-statement 490 check_add_cflags -Wdisabled-optimization 491 check_add_cflags -Wpointer-arith 492 check_add_cflags -Wtype-limits 493 check_add_cflags -Wcast-qual 494 enabled extra_warnings || check_add_cflags -Wno-unused-function 495 fi 496 497 if enabled icc; then 498 enabled werror && check_add_cflags -Werror 499 check_add_cflags -Wall 500 check_add_cflags -Wpointer-arith 501 502 # ICC has a number of floating point optimizations that we disable 503 # in favor of deterministic output WRT to other compilers 504 add_cflags -fp-model precise 505 fi 506 507 # Enable extra, harmless warnings. These might provide additional insight 508 # to what the compiler is doing and why, but in general, but they shouldn't 509 # be treated as fatal, even if we're treating warnings as errors. 510 GCC_EXTRA_WARNINGS=" 511 -Wdisabled-optimization 512 -Winline 513 " 514 enabled gcc && EXTRA_WARNINGS="${GCC_EXTRA_WARNINGS}" 515 RVCT_EXTRA_WARNINGS=" 516 --remarks 517 " 518 enabled rvct && EXTRA_WARNINGS="${RVCT_EXTRA_WARNINGS}" 519 if enabled extra_warnings; then 520 for w in ${EXTRA_WARNINGS}; do 521 check_add_cflags ${w} 522 enabled gcc && enabled werror && check_add_cflags -Wno-error=${w} 523 done 524 fi 525 526 # ccache only really works on gcc toolchains 527 enabled gcc || soft_disable ccache 528 if enabled mips; then 529 enable dequant_tokens 530 enable dc_recon 531 fi 532 533 # Enable the postbuild target if building for visual studio. 534 case "$tgt_cc" in 535 vs*) enable msvs 536 enable solution 537 vs_version=${tgt_cc##vs} 538 all_targets="${all_targets} solution" 539 ;; 540 esac 541 542 # Other toolchain specific defaults 543 case $toolchain in x86*|ppc*|universal*) soft_enable postproc;; esac 544 545 if enabled postproc_visualizer; then 546 enabled postproc || die "postproc_visualizer requires postproc to be enabled" 547 fi 548 } 549 550 551 ## 552 ## END APPLICATION SPECIFIC CONFIGURATION 553 ## 554 CONFIGURE_ARGS="$@" 555 process "$@" 556 cat <<EOF > ${BUILD_PFX}vpx_config.c 557 static const char* const cfg = "$CONFIGURE_ARGS"; 558 const char *vpx_codec_build_config(void) {return cfg;} 559 EOF 560
