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

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