granicus.if.org Git - libvpx/blob - configure

   1 #!/bin/sh
   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}                  libraries
  24   ${toggle_examples}              examples
  25   ${toggle_docs}                  documentation
  26   ${toggle_unit_tests}            unit tests
  27   ${toggle_decode_perf_tests}     build decoder perf tests with unit tests
  28   ${toggle_encode_perf_tests}     build encoder perf tests with unit tests
  29   --cpu=CPU                       tune for the specified CPU (ARM: cortex-a8, X86: sse3)
  30   --libc=PATH                     path to alternate libc
  31   --size-limit=WxH                max size to allow in the decoder
  32   --as={yasm|nasm|auto}           use specified assembler [auto, yasm preferred]
  33   --sdk-path=PATH                 path to root of sdk (android builds only)
  34   ${toggle_fast_unaligned}        don't use unaligned accesses, even when
  35                                   supported by hardware [auto]
  36   ${toggle_codec_srcs}            in/exclude codec library source code
  37   ${toggle_debug_libs}            in/exclude debug version of libraries
  38   ${toggle_static_msvcrt}         use static MSVCRT (VS builds only)
  39   ${toggle_vp9_highbitdepth}      use VP9 high bit depth (10/12) profiles
  40   ${toggle_vp8}                   VP8 codec support
  41   ${toggle_vp9}                   VP9 codec support
  42   ${toggle_internal_stats}        output of encoder internal stats for debug, if supported (encoders)
  43   ${toggle_mem_tracker}           track memory usage
  44   ${toggle_postproc}              postprocessing
  45   ${toggle_vp9_postproc}          vp9 specific postprocessing
  46   ${toggle_multithread}           multithreaded encoding and decoding
  47   ${toggle_spatial_resampling}    spatial sampling (scaling) support
  48   ${toggle_realtime_only}         enable this option while building for real-time encoding
  49   ${toggle_onthefly_bitpacking}   enable on-the-fly bitpacking in real-time encoding
  50   ${toggle_error_concealment}     enable this option to get a decoder which is able to conceal losses
  51   ${toggle_coefficient_range_checking}
  52                                   enable decoder to check if intermediate
  53                                   transform coefficients are in valid range
  54   ${toggle_runtime_cpu_detect}    runtime cpu detection
  55   ${toggle_shared}                shared library support
  56   ${toggle_static}                static library support
  57   ${toggle_small}                 favor smaller size over speed
  58   ${toggle_postproc_visualizer}   macro block / block level visualizers
  59   ${toggle_multi_res_encoding}    enable multiple-resolution encoding
  60   ${toggle_temporal_denoising}    enable temporal denoising and disable the spatial denoiser
  61   ${toggle_vp9_temporal_denoising}
  62                                   enable vp9 temporal denoising
  63   ${toggle_webm_io}               enable input from and output to WebM container
  64   ${toggle_libyuv}                enable libyuv
  65
  66 Codecs:
  67   Codecs can be selectively enabled or disabled individually, or by family:
  68       --disable-<codec>
  69   is equivalent to:
  70       --disable-<codec>-encoder
  71       --disable-<codec>-decoder
  72
  73   Codecs available in this distribution:
  74 EOF
  75 #restore editor state '
  76
  77     family="";
  78     last_family="";
  79     c="";
  80     str="";
  81     for c in ${CODECS}; do
  82         family=${c%_*}
  83         if [ "${family}" != "${last_family}" ]; then
  84             [ -z "${str}" ] || echo "${str}"
  85             str="$(printf '    %10s:' ${family})"
  86         fi
  87         str="${str} $(printf '%10s' ${c#*_})"
  88         last_family=${family}
  89     done
  90     echo "${str}"
  91     show_help_post
  92 }
  93
  94 ##
  95 ## BEGIN APPLICATION SPECIFIC CONFIGURATION
  96 ##
  97
  98 # all_platforms is a list of all supported target platforms. Maintain
  99 # alphabetically by architecture, generic-gnu last.
 100 all_platforms="${all_platforms} armv6-darwin-gcc"
 101 all_platforms="${all_platforms} armv6-linux-rvct"
 102 all_platforms="${all_platforms} armv6-linux-gcc"
 103 all_platforms="${all_platforms} armv6-none-rvct"
 104 all_platforms="${all_platforms} arm64-darwin-gcc"
 105 all_platforms="${all_platforms} armv7-android-gcc"   #neon Cortex-A8
 106 all_platforms="${all_platforms} armv7-darwin-gcc"    #neon Cortex-A8
 107 all_platforms="${all_platforms} armv7-linux-rvct"    #neon Cortex-A8
 108 all_platforms="${all_platforms} armv7-linux-gcc"     #neon Cortex-A8
 109 all_platforms="${all_platforms} armv7-none-rvct"     #neon Cortex-A8
 110 all_platforms="${all_platforms} armv7-win32-vs11"
 111 all_platforms="${all_platforms} armv7-win32-vs12"
 112 all_platforms="${all_platforms} armv7s-darwin-gcc"
 113 all_platforms="${all_platforms} mips32-linux-gcc"
 114 all_platforms="${all_platforms} mips64-linux-gcc"
 115 all_platforms="${all_platforms} ppc32-darwin8-gcc"
 116 all_platforms="${all_platforms} ppc32-darwin9-gcc"
 117 all_platforms="${all_platforms} ppc32-linux-gcc"
 118 all_platforms="${all_platforms} ppc64-darwin8-gcc"
 119 all_platforms="${all_platforms} ppc64-darwin9-gcc"
 120 all_platforms="${all_platforms} ppc64-linux-gcc"
 121 all_platforms="${all_platforms} sparc-solaris-gcc"
 122 all_platforms="${all_platforms} x86-android-gcc"
 123 all_platforms="${all_platforms} x86-darwin8-gcc"
 124 all_platforms="${all_platforms} x86-darwin8-icc"
 125 all_platforms="${all_platforms} x86-darwin9-gcc"
 126 all_platforms="${all_platforms} x86-darwin9-icc"
 127 all_platforms="${all_platforms} x86-darwin10-gcc"
 128 all_platforms="${all_platforms} x86-darwin11-gcc"
 129 all_platforms="${all_platforms} x86-darwin12-gcc"
 130 all_platforms="${all_platforms} x86-darwin13-gcc"
 131 all_platforms="${all_platforms} x86-darwin14-gcc"
 132 all_platforms="${all_platforms} x86-iphonesimulator-gcc"
 133 all_platforms="${all_platforms} x86-linux-gcc"
 134 all_platforms="${all_platforms} x86-linux-icc"
 135 all_platforms="${all_platforms} x86-os2-gcc"
 136 all_platforms="${all_platforms} x86-solaris-gcc"
 137 all_platforms="${all_platforms} x86-win32-gcc"
 138 all_platforms="${all_platforms} x86-win32-vs7"
 139 all_platforms="${all_platforms} x86-win32-vs8"
 140 all_platforms="${all_platforms} x86-win32-vs9"
 141 all_platforms="${all_platforms} x86-win32-vs10"
 142 all_platforms="${all_platforms} x86-win32-vs11"
 143 all_platforms="${all_platforms} x86-win32-vs12"
 144 all_platforms="${all_platforms} x86_64-darwin9-gcc"
 145 all_platforms="${all_platforms} x86_64-darwin10-gcc"
 146 all_platforms="${all_platforms} x86_64-darwin11-gcc"
 147 all_platforms="${all_platforms} x86_64-darwin12-gcc"
 148 all_platforms="${all_platforms} x86_64-darwin13-gcc"
 149 all_platforms="${all_platforms} x86_64-darwin14-gcc"
 150 all_platforms="${all_platforms} x86_64-iphonesimulator-gcc"
 151 all_platforms="${all_platforms} x86_64-linux-gcc"
 152 all_platforms="${all_platforms} x86_64-linux-icc"
 153 all_platforms="${all_platforms} x86_64-solaris-gcc"
 154 all_platforms="${all_platforms} x86_64-win64-gcc"
 155 all_platforms="${all_platforms} x86_64-win64-vs8"
 156 all_platforms="${all_platforms} x86_64-win64-vs9"
 157 all_platforms="${all_platforms} x86_64-win64-vs10"
 158 all_platforms="${all_platforms} x86_64-win64-vs11"
 159 all_platforms="${all_platforms} x86_64-win64-vs12"
 160 all_platforms="${all_platforms} universal-darwin8-gcc"
 161 all_platforms="${all_platforms} universal-darwin9-gcc"
 162 all_platforms="${all_platforms} universal-darwin10-gcc"
 163 all_platforms="${all_platforms} universal-darwin11-gcc"
 164 all_platforms="${all_platforms} universal-darwin12-gcc"
 165 all_platforms="${all_platforms} universal-darwin13-gcc"
 166 all_platforms="${all_platforms} universal-darwin14-gcc"
 167 all_platforms="${all_platforms} generic-gnu"
 168
 169 # all_targets is a list of all targets that can be configured
 170 # note that these should be in dependency order for now.
 171 all_targets="libs examples docs"
 172
 173 # all targets available are enabled, by default.
 174 for t in ${all_targets}; do
 175     [ -f "${source_path}/${t}.mk" ] && enable_feature ${t}
 176 done
 177
 178 if ! perl --version >/dev/null; then
 179     die "Perl is required to build"
 180 fi
 181
 182
 183 if [ "`cd \"${source_path}\" && pwd`" != "`pwd`" ]; then
 184   # test to see if source_path already configured
 185   if [ -f "${source_path}/vpx_config.h" ]; then
 186     die "source directory already configured; run 'make distclean' there first"
 187   fi
 188 fi
 189
 190 # check installed doxygen version
 191 doxy_version=$(doxygen --version 2>/dev/null)
 192 doxy_major=${doxy_version%%.*}
 193 if [ ${doxy_major:-0} -ge 1 ]; then
 194     doxy_version=${doxy_version#*.}
 195     doxy_minor=${doxy_version%%.*}
 196     doxy_patch=${doxy_version##*.}
 197
 198     [ $doxy_major -gt 1 ] && enable_feature doxygen
 199     [ $doxy_minor -gt 5 ] && enable_feature doxygen
 200     [ $doxy_minor -eq 5 ] && [ $doxy_patch -ge 3 ] && enable_feature doxygen
 201 fi
 202
 203 # install everything except the sources, by default. sources will have
 204 # to be enabled when doing dist builds, since that's no longer a common
 205 # case.
 206 enabled doxygen && enable_feature install_docs
 207 enable_feature install_bins
 208 enable_feature install_libs
 209
 210 enable_feature static
 211 enable_feature optimizations
 212 enable_feature dependency_tracking
 213 enable_feature fast_unaligned #allow unaligned accesses, if supported by hw
 214 enable_feature spatial_resampling
 215 enable_feature multithread
 216 enable_feature os_support
 217 enable_feature temporal_denoising
 218
 219 [ -d "${source_path}/../include" ] && enable_feature alt_tree_layout
 220 for d in vp8 vp9; do
 221     [ -d "${source_path}/${d}" ] && disable_feature alt_tree_layout;
 222 done
 223
 224 if ! enabled alt_tree_layout; then
 225 # development environment
 226 [ -d "${source_path}/vp8" ] && CODECS="${CODECS} vp8_encoder vp8_decoder"
 227 [ -d "${source_path}/vp9" ] && CODECS="${CODECS} vp9_encoder vp9_decoder"
 228 else
 229 # customer environment
 230 [ -f "${source_path}/../include/vpx/vp8cx.h" ] && CODECS="${CODECS} vp8_encoder"
 231 [ -f "${source_path}/../include/vpx/vp8dx.h" ] && CODECS="${CODECS} vp8_decoder"
 232 [ -f "${source_path}/../include/vpx/vp9cx.h" ] && CODECS="${CODECS} vp9_encoder"
 233 [ -f "${source_path}/../include/vpx/vp9dx.h" ] && CODECS="${CODECS} vp9_decoder"
 234 [ -f "${source_path}/../include/vpx/vp8cx.h" ] || disable_feature vp8_encoder
 235 [ -f "${source_path}/../include/vpx/vp8dx.h" ] || disable_feature vp8_decoder
 236 [ -f "${source_path}/../include/vpx/vp9cx.h" ] || disable_feature vp9_encoder
 237 [ -f "${source_path}/../include/vpx/vp9dx.h" ] || disable_feature vp9_decoder
 238
 239 [ -f "${source_path}/../lib/*/*mt.lib" ] && soft_enable static_msvcrt
 240 fi
 241
 242 CODECS="$(echo ${CODECS} | tr ' ' '\n')"
 243 CODEC_FAMILIES="$(for c in ${CODECS}; do echo ${c%_*}; done | sort | uniq)"
 244
 245 ARCH_LIST="
 246     arm
 247     mips
 248     x86
 249     x86_64
 250     ppc32
 251     ppc64
 252 "
 253 ARCH_EXT_LIST="
 254     edsp
 255     media
 256     neon
 257     neon_asm
 258
 259     mips32
 260     dspr2
 261     msa
 262     mips64
 263
 264     mmx
 265     sse
 266     sse2
 267     sse3
 268     ssse3
 269     sse4_1
 270     avx
 271     avx2
 272
 273     altivec
 274 "
 275 HAVE_LIST="
 276     ${ARCH_EXT_LIST}
 277     vpx_ports
 278     stdint_h
 279     alt_tree_layout
 280     pthread_h
 281     sys_mman_h
 282     unistd_h
 283 "
 284 EXPERIMENT_LIST="
 285     spatial_svc
 286     fp_mb_stats
 287     emulate_hardware
 288 "
 289 CONFIG_LIST="
 290     dependency_tracking
 291     external_build
 292     install_docs
 293     install_bins
 294     install_libs
 295     install_srcs
 296     use_x86inc
 297     debug
 298     gprof
 299     gcov
 300     rvct
 301     gcc
 302     msvs
 303     pic
 304     big_endian
 305
 306     codec_srcs
 307     debug_libs
 308     fast_unaligned
 309     mem_manager
 310     mem_tracker
 311     mem_checks
 312
 313     dequant_tokens
 314     dc_recon
 315     runtime_cpu_detect
 316     postproc
 317     vp9_postproc
 318     multithread
 319     internal_stats
 320     ${CODECS}
 321     ${CODEC_FAMILIES}
 322     encoders
 323     decoders
 324     static_msvcrt
 325     spatial_resampling
 326     realtime_only
 327     onthefly_bitpacking
 328     error_concealment
 329     shared
 330     static
 331     small
 332     postproc_visualizer
 333     os_support
 334     unit_tests
 335     webm_io
 336     libyuv
 337     decode_perf_tests
 338     encode_perf_tests
 339     multi_res_encoding
 340     temporal_denoising
 341     vp9_temporal_denoising
 342     coefficient_range_checking
 343     vp9_highbitdepth
 344     experimental
 345     size_limit
 346     ${EXPERIMENT_LIST}
 347 "
 348 CMDLINE_SELECT="
 349     dependency_tracking
 350     external_build
 351     extra_warnings
 352     werror
 353     install_docs
 354     install_bins
 355     install_libs
 356     install_srcs
 357     debug
 358     gprof
 359     gcov
 360     pic
 361     use_x86inc
 362     optimizations
 363     ccache
 364     runtime_cpu_detect
 365     thumb
 366
 367     libs
 368     examples
 369     docs
 370     libc
 371     as
 372     size_limit
 373     fast_unaligned
 374     codec_srcs
 375     debug_libs
 376
 377     dequant_tokens
 378     dc_recon
 379     postproc
 380     vp9_postproc
 381     multithread
 382     internal_stats
 383     ${CODECS}
 384     ${CODEC_FAMILIES}
 385     static_msvcrt
 386     mem_tracker
 387     spatial_resampling
 388     realtime_only
 389     onthefly_bitpacking
 390     error_concealment
 391     shared
 392     static
 393     small
 394     postproc_visualizer
 395     unit_tests
 396     webm_io
 397     libyuv
 398     decode_perf_tests
 399     encode_perf_tests
 400     multi_res_encoding
 401     temporal_denoising
 402     vp9_temporal_denoising
 403     coefficient_range_checking
 404     vp9_highbitdepth
 405     experimental
 406 "
 407
 408 process_cmdline() {
 409     for opt do
 410         optval="${opt#*=}"
 411         case "$opt" in
 412         --disable-codecs) for c in ${CODECS}; do disable_feature $c; done ;;
 413         --enable-?*|--disable-?*)
 414         eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
 415         if echo "${EXPERIMENT_LIST}" | grep "^ *$option\$" >/dev/null; then
 416             if enabled experimental; then
 417                 ${action}_feature $option
 418             else
 419                 log_echo "Ignoring $opt -- not in experimental mode."
 420             fi
 421         else
 422             process_common_cmdline $opt
 423         fi
 424         ;;
 425         *) process_common_cmdline "$opt"
 426         ;;
 427         esac
 428     done
 429 }
 430
 431 post_process_cmdline() {
 432     c=""
 433
 434     # If the codec family is disabled, disable all components of that family.
 435     # If the codec family is enabled, enable all components of that family.
 436     log_echo "Configuring selected codecs"
 437     for c in ${CODECS}; do
 438         disabled ${c%%_*} && disable_feature ${c}
 439         enabled ${c%%_*} && enable_feature ${c}
 440     done
 441
 442     # Enable all detected codecs, if they haven't been disabled
 443     for c in ${CODECS}; do soft_enable $c; done
 444
 445     # Enable the codec family if any component of that family is enabled
 446     for c in ${CODECS}; do
 447         enabled $c && enable_feature ${c%_*}
 448     done
 449
 450     # Set the {en,de}coders variable if any algorithm in that class is enabled
 451     for c in ${CODECS}; do
 452         enabled ${c} && enable_feature ${c##*_}s
 453     done
 454 }
 455
 456
 457 process_targets() {
 458     enabled child || write_common_config_banner
 459     enabled universal || write_common_target_config_h  ${BUILD_PFX}vpx_config.h
 460
 461     # For fat binaries, call configure recursively to configure for each
 462     # binary architecture to be included.
 463     if enabled universal; then
 464         # Call configure (ourselves) for each subarchitecture
 465         for arch in $fat_bin_archs; do
 466             BUILD_PFX=${arch}/ toolchain=${arch} $self --child $cmdline_args || exit $?
 467         done
 468     fi
 469
 470     # The write_common_config (config.mk) logic is deferred until after the
 471     # recursive calls to configure complete, because we want our universal
 472     # targets to be executed last.
 473     write_common_config_targets
 474     enabled universal && echo "FAT_ARCHS=${fat_bin_archs}" >> config.mk
 475
 476     # Calculate the default distribution name, based on the enabled features
 477     cf=""
 478     DIST_DIR=vpx
 479     for cf in $CODEC_FAMILIES; do
 480         if enabled ${cf}_encoder && enabled ${cf}_decoder; then
 481             DIST_DIR="${DIST_DIR}-${cf}"
 482         elif enabled ${cf}_encoder; then
 483             DIST_DIR="${DIST_DIR}-${cf}cx"
 484         elif enabled ${cf}_decoder; then
 485             DIST_DIR="${DIST_DIR}-${cf}dx"
 486         fi
 487     done
 488     enabled debug_libs && DIST_DIR="${DIST_DIR}-debug"
 489     enabled codec_srcs && DIST_DIR="${DIST_DIR}-src"
 490     ! enabled postproc && ! enabled vp9_postproc && DIST_DIR="${DIST_DIR}-nopost"
 491     ! enabled multithread && DIST_DIR="${DIST_DIR}-nomt"
 492     ! enabled install_docs && DIST_DIR="${DIST_DIR}-nodocs"
 493     DIST_DIR="${DIST_DIR}-${tgt_isa}-${tgt_os}"
 494     case "${tgt_os}" in
 495     win*) enabled static_msvcrt && DIST_DIR="${DIST_DIR}mt" || DIST_DIR="${DIST_DIR}md"
 496           DIST_DIR="${DIST_DIR}-${tgt_cc}"
 497           ;;
 498     esac
 499     if [ -f "${source_path}/build/make/version.sh" ]; then
 500         ver=`"$source_path/build/make/version.sh" --bare "$source_path"`
 501         DIST_DIR="${DIST_DIR}-${ver}"
 502         VERSION_STRING=${ver}
 503         ver=${ver%%-*}
 504         VERSION_PATCH=${ver##*.}
 505         ver=${ver%.*}
 506         VERSION_MINOR=${ver##*.}
 507         ver=${ver#v}
 508         VERSION_MAJOR=${ver%.*}
 509     fi
 510     enabled child || cat <<EOF >> config.mk
 511
 512 PREFIX=${prefix}
 513 ifeq (\$(MAKECMDGOALS),dist)
 514 DIST_DIR?=${DIST_DIR}
 515 else
 516 DIST_DIR?=\$(DESTDIR)${prefix}
 517 endif
 518 LIBSUBDIR=${libdir##${prefix}/}
 519
 520 VERSION_STRING=${VERSION_STRING}
 521
 522 VERSION_MAJOR=${VERSION_MAJOR}
 523 VERSION_MINOR=${VERSION_MINOR}
 524 VERSION_PATCH=${VERSION_PATCH}
 525
 526 CONFIGURE_ARGS=${CONFIGURE_ARGS}
 527 EOF
 528     enabled child || echo "CONFIGURE_ARGS?=${CONFIGURE_ARGS}" >> config.mk
 529
 530     #
 531     # Write makefiles for all enabled targets
 532     #
 533     for tgt in libs examples docs solution; do
 534         tgt_fn="$tgt-$toolchain.mk"
 535
 536         if enabled $tgt; then
 537             echo "Creating makefiles for ${toolchain} ${tgt}"
 538             write_common_target_config_mk $tgt_fn ${BUILD_PFX}vpx_config.h
 539             #write_${tgt}_config
 540         fi
 541     done
 542
 543 }
 544
 545 process_detect() {
 546     if enabled shared; then
 547         # Can only build shared libs on a subset of platforms. Doing this check
 548         # here rather than at option parse time because the target auto-detect
 549         # magic happens after the command line has been parsed.
 550         if ! enabled linux; then
 551             if enabled gnu; then
 552                 echo "--enable-shared is only supported on ELF; assuming this is OK"
 553             else
 554                 die "--enable-shared only supported on ELF for now"
 555             fi
 556         fi
 557     fi
 558     if [ -z "$CC" ] || enabled external_build; then
 559         echo "Bypassing toolchain for environment detection."
 560         enable_feature external_build
 561         check_header() {
 562             log fake_check_header "$@"
 563             header=$1
 564             shift
 565             var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
 566             disable_feature $var
 567             # Headers common to all environments
 568             case $header in
 569                 stdio.h)
 570                     true;
 571                 ;;
 572                 *)
 573                     result=false
 574                     for d in "$@"; do
 575                         [ -f "${d##-I}/$header" ] && result=true && break
 576                     done
 577                     ${result:-true}
 578             esac && enable_feature $var
 579
 580             # Specialize windows and POSIX environments.
 581             case $toolchain in
 582                 *-win*-*)
 583                     case $header-$toolchain in
 584                         stdint*-gcc) true;;
 585                         *) false;;
 586                     esac && enable_feature $var
 587                     ;;
 588                 *)
 589                     case $header in
 590                         stdint.h) true;;
 591                         pthread.h) true;;
 592                         sys/mman.h) true;;
 593                         unistd.h) true;;
 594                         *) false;;
 595                     esac && enable_feature $var
 596             esac
 597             enabled $var
 598         }
 599         check_ld() {
 600             true
 601         }
 602     fi
 603     check_header stdio.h || die "Unable to invoke compiler: ${CC} ${CFLAGS}"
 604     check_ld <<EOF || die "Toolchain is unable to link executables"
 605 int main(void) {return 0;}
 606 EOF
 607     # check system headers
 608     check_header stdint.h
 609     check_header pthread.h
 610     check_header sys/mman.h
 611     check_header unistd.h # for sysconf(3) and friends.
 612
 613     check_header vpx/vpx_integer.h -I${source_path} && enable_feature vpx_ports
 614 }
 615
 616 process_toolchain() {
 617     process_common_toolchain
 618
 619     # Handle universal binaries for this architecture
 620     case $toolchain in
 621         universal-darwin*)
 622             darwin_ver=${tgt_os##darwin}
 623
 624             # Snow Leopard (10.6/darwin10) dropped support for PPC
 625             # Include PPC support for all prior versions
 626             if [ $darwin_ver -lt 10 ]; then
 627                 fat_bin_archs="$fat_bin_archs ppc32-${tgt_os}-gcc"
 628             fi
 629
 630             # Tiger (10.4/darwin8) brought support for x86
 631             if [ $darwin_ver -ge 8 ]; then
 632                 fat_bin_archs="$fat_bin_archs x86-${tgt_os}-${tgt_cc}"
 633             fi
 634
 635             # Leopard (10.5/darwin9) brought 64 bit support
 636             if [ $darwin_ver -ge 9 ]; then
 637                 fat_bin_archs="$fat_bin_archs x86_64-${tgt_os}-${tgt_cc}"
 638             fi
 639             ;;
 640     esac
 641
 642
 643     # Enable some useful compiler flags
 644     if enabled gcc; then
 645         enabled werror && check_add_cflags -Werror
 646         check_add_cflags -Wall
 647         check_add_cflags -Wdeclaration-after-statement
 648         check_add_cflags -Wdisabled-optimization
 649         check_add_cflags -Wpointer-arith
 650         check_add_cflags -Wtype-limits
 651         check_add_cflags -Wcast-qual
 652         check_add_cflags -Wvla
 653         check_add_cflags -Wimplicit-function-declaration
 654         check_add_cflags -Wuninitialized
 655         check_add_cflags -Wunused-variable
 656         case ${CC} in
 657           *clang*)
 658               # libvpx and/or clang have issues with aliasing:
 659               # https://code.google.com/p/webm/issues/detail?id=603
 660               # work around them until they are fixed
 661               check_add_cflags -fno-strict-aliasing
 662           ;;
 663           *) check_add_cflags -Wunused-but-set-variable ;;
 664         esac
 665         enabled extra_warnings || check_add_cflags -Wno-unused-function
 666     fi
 667
 668     if enabled icc; then
 669         enabled werror && check_add_cflags -Werror
 670         check_add_cflags -Wall
 671         check_add_cflags -Wpointer-arith
 672
 673         # ICC has a number of floating point optimizations that we disable
 674         # in favor of deterministic output WRT to other compilers
 675         add_cflags -fp-model precise
 676     fi
 677
 678     # Enable extra, harmless warnings. These might provide additional insight
 679     # to what the compiler is doing and why, but in general, but they shouldn't
 680     # be treated as fatal, even if we're treating warnings as errors.
 681     GCC_EXTRA_WARNINGS="
 682         -Wdisabled-optimization
 683         -Winline
 684     "
 685     enabled gcc && EXTRA_WARNINGS="${GCC_EXTRA_WARNINGS}"
 686     RVCT_EXTRA_WARNINGS="
 687         --remarks
 688     "
 689     enabled rvct && EXTRA_WARNINGS="${RVCT_EXTRA_WARNINGS}"
 690     if enabled extra_warnings; then
 691         for w in ${EXTRA_WARNINGS}; do
 692             check_add_cflags ${w}
 693             enabled gcc && enabled werror && check_add_cflags -Wno-error=${w}
 694         done
 695     fi
 696
 697     # ccache only really works on gcc toolchains
 698     enabled gcc || soft_disable ccache
 699     if enabled mips; then
 700         enable_feature dequant_tokens
 701         enable_feature dc_recon
 702     fi
 703
 704     if enabled internal_stats; then
 705         enable_feature vp9_postproc
 706     fi
 707
 708     # Enable the postbuild target if building for visual studio.
 709     case "$tgt_cc" in
 710         vs*) enable_feature msvs
 711              enable_feature solution
 712              vs_version=${tgt_cc##vs}
 713              case $vs_version in
 714              [789])
 715                  VCPROJ_SFX=vcproj
 716                  gen_vcproj_cmd=${source_path}/build/make/gen_msvs_proj.sh
 717                  ;;
 718              10|11|12)
 719                  VCPROJ_SFX=vcxproj
 720                  gen_vcproj_cmd=${source_path}/build/make/gen_msvs_vcxproj.sh
 721                  enabled werror && gen_vcproj_cmd="${gen_vcproj_cmd} --enable-werror"
 722                  ;;
 723              esac
 724              all_targets="${all_targets} solution"
 725              INLINE="__forceinline"
 726         ;;
 727     esac
 728
 729     # Other toolchain specific defaults
 730     case $toolchain in x86*|ppc*|universal*) soft_enable postproc;; esac
 731
 732     if enabled postproc_visualizer; then
 733         enabled postproc || die "postproc_visualizer requires postproc to be enabled"
 734     fi
 735
 736     # Enable unit tests by default if we have a working C++ compiler.
 737     case "$toolchain" in
 738         *-vs*)
 739             soft_enable unit_tests
 740             soft_enable webm_io
 741             soft_enable libyuv
 742         ;;
 743         *-android-*)
 744             soft_enable webm_io
 745             soft_enable libyuv
 746             # GTestLog must be modified to use Android logging utilities.
 747         ;;
 748         *-darwin-*)
 749             # iOS/ARM builds do not work with gtest. This does not match
 750             # x86 targets.
 751         ;;
 752         *-iphonesimulator-*)
 753             soft_enable webm_io
 754             soft_enable libyuv
 755         ;;
 756         *-win*)
 757             # Some mingw toolchains don't have pthread available by default.
 758             # Treat these more like visual studio where threading in gtest
 759             # would be disabled for the same reason.
 760             check_cxx "$@" <<EOF && soft_enable unit_tests
 761 int z;
 762 EOF
 763             check_cxx "$@" <<EOF && soft_enable webm_io
 764 int z;
 765 EOF
 766             check_cxx "$@" <<EOF && soft_enable libyuv
 767 int z;
 768 EOF
 769         ;;
 770         *)
 771             enabled pthread_h && check_cxx "$@" <<EOF && soft_enable unit_tests
 772 int z;
 773 EOF
 774             check_cxx "$@" <<EOF && soft_enable webm_io
 775 int z;
 776 EOF
 777             check_cxx "$@" <<EOF && soft_enable libyuv
 778 int z;
 779 EOF
 780         ;;
 781     esac
 782     # libwebm needs to be linked with C++ standard library
 783     enabled webm_io && LD=${CXX}
 784 }
 785
 786
 787 ##
 788 ## END APPLICATION SPECIFIC CONFIGURATION
 789 ##
 790 CONFIGURE_ARGS="$@"
 791 process "$@"
 792 print_webm_license ${BUILD_PFX}vpx_config.c "/*" " */"
 793 cat <<EOF >> ${BUILD_PFX}vpx_config.c
 794 static const char* const cfg = "$CONFIGURE_ARGS";
 795 const char *vpx_codec_build_config(void) {return cfg;}
 796 EOF