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