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  1. #!/bin/sh
  2. #
  3. # FFmpeg configure script
  4. #
  5. # Copyright (c) 2000-2002 Fabrice Bellard
  6. # Copyright (c) 2005-2008 Diego Biurrun
  7. # Copyright (c) 2005-2008 Mans Rullgard
  8. #
  9. # Prevent locale nonsense from breaking basic text processing.
  10. LC_ALL=C
  11. export LC_ALL
  12. # make sure we are running under a compatible shell
  13. # try to make this part work with most shells
  14. try_exec(){
  15. echo "Trying shell $1"
  16. type "$1" > /dev/null 2>&1 && exec "$@"
  17. }
  18. unset foo
  19. (: ${foo%%bar}) 2> /dev/null
  20. E1="$?"
  21. (: ${foo?}) 2> /dev/null
  22. E2="$?"
  23. if test "$E1" != 0 || test "$E2" = 0; then
  24. echo "Broken shell detected. Trying alternatives."
  25. export FF_CONF_EXEC
  26. if test "0$FF_CONF_EXEC" -lt 1; then
  27. FF_CONF_EXEC=1
  28. try_exec bash "$0" "$@"
  29. fi
  30. if test "0$FF_CONF_EXEC" -lt 2; then
  31. FF_CONF_EXEC=2
  32. try_exec ksh "$0" "$@"
  33. fi
  34. if test "0$FF_CONF_EXEC" -lt 3; then
  35. FF_CONF_EXEC=3
  36. try_exec /usr/xpg4/bin/sh "$0" "$@"
  37. fi
  38. echo "No compatible shell script interpreter found."
  39. echo "This configure script requires a POSIX-compatible shell"
  40. echo "such as bash or ksh."
  41. echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
  42. echo "Instead, install a working POSIX-compatible shell."
  43. echo "Disabling this configure test will create a broken FFmpeg."
  44. if test "$BASH_VERSION" = '2.04.0(1)-release'; then
  45. echo "This bash version ($BASH_VERSION) is broken on your platform."
  46. echo "Upgrade to a later version if available."
  47. fi
  48. exit 1
  49. fi
  50. show_help(){
  51. echo "Usage: configure [options]"
  52. echo "Options: [defaults in brackets after descriptions]"
  53. echo
  54. echo "Standard options:"
  55. echo " --help print this message"
  56. echo " --logfile=FILE log tests and output to FILE [config.err]"
  57. echo " --disable-logging do not log configure debug information"
  58. echo " --prefix=PREFIX install in PREFIX [$prefix]"
  59. echo " --bindir=DIR install binaries in DIR [PREFIX/bin]"
  60. echo " --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]"
  61. echo " --libdir=DIR install libs in DIR [PREFIX/lib]"
  62. echo " --shlibdir=DIR install shared libs in DIR [PREFIX/lib]"
  63. echo " --incdir=DIR install includes in DIR [PREFIX/include]"
  64. echo " --mandir=DIR install man page in DIR [PREFIX/share/man]"
  65. echo
  66. echo "Configuration options:"
  67. echo " --disable-static do not build static libraries [no]"
  68. echo " --enable-shared build shared libraries [no]"
  69. echo " --enable-gpl allow use of GPL code, the resulting libs"
  70. echo " and binaries will be under GPL [no]"
  71. echo " --enable-nonfree allow use of nonfree code, the resulting libs"
  72. echo " and binaries will be unredistributable [no]"
  73. echo " --disable-ffmpeg disable ffmpeg build"
  74. echo " --disable-ffplay disable ffplay build"
  75. echo " --disable-ffserver disable ffserver build"
  76. echo " --enable-postproc enable GPLed postprocessing support [no]"
  77. echo " --enable-avfilter video filter support [no]"
  78. echo " --enable-avfilter-lavf video filters dependent on avformat [no]"
  79. echo " --enable-beosthreads use BeOS threads [no]"
  80. echo " --enable-os2threads use OS/2 threads [no]"
  81. echo " --enable-pthreads use pthreads [no]"
  82. echo " --enable-w32threads use Win32 threads [no]"
  83. echo " --enable-x11grab enable X11 grabbing [no]"
  84. echo " --disable-network disable network support [no]"
  85. echo " --disable-ipv6 disable IPv6 support [no]"
  86. echo " --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]"
  87. echo " --enable-gray enable full grayscale support (slower color)"
  88. echo " --disable-swscale-alpha disable alpha channel support in swscale"
  89. echo " --disable-fastdiv disable table-based division"
  90. echo " --enable-small optimize for size instead of speed"
  91. echo " --disable-aandct disable AAN DCT code"
  92. echo " --disable-fft disable FFT code"
  93. echo " --disable-golomb disable Golomb code"
  94. echo " --disable-mdct disable MDCT code"
  95. echo " --disable-rdft disable RDFT code"
  96. echo " --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)"
  97. echo " --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
  98. echo " --enable-memalign-hack emulate memalign, interferes with memory debuggers"
  99. echo " --enable-beos-netserver enable BeOS netserver"
  100. echo " --disable-encoder=NAME disable encoder NAME"
  101. echo " --enable-encoder=NAME enable encoder NAME"
  102. echo " --disable-encoders disable all encoders"
  103. echo " --disable-decoder=NAME disable decoder NAME"
  104. echo " --enable-decoder=NAME enable decoder NAME"
  105. echo " --disable-decoders disable all decoders"
  106. echo " --disable-hwaccel=NAME disable hwaccel NAME"
  107. echo " --enable-hwaccel=NAME enable hwaccel NAME"
  108. echo " --disable-hwaccels disable all hwaccels"
  109. echo " --disable-muxer=NAME disable muxer NAME"
  110. echo " --enable-muxer=NAME enable muxer NAME"
  111. echo " --disable-muxers disable all muxers"
  112. echo " --disable-demuxer=NAME disable demuxer NAME"
  113. echo " --enable-demuxer=NAME enable demuxer NAME"
  114. echo " --disable-demuxers disable all demuxers"
  115. echo " --enable-parser=NAME enable parser NAME"
  116. echo " --disable-parser=NAME disable parser NAME"
  117. echo " --disable-parsers disable all parsers"
  118. echo " --enable-bsf=NAME enable bitstream filter NAME"
  119. echo " --disable-bsf=NAME disable bitstream filter NAME"
  120. echo " --disable-bsfs disable all bitstream filters"
  121. echo " --enable-protocol=NAME enable protocol NAME"
  122. echo " --disable-protocol=NAME disable protocol NAME"
  123. echo " --disable-protocols disable all protocols"
  124. echo " --disable-indevs disable input devices"
  125. echo " --disable-outdevs disable output devices"
  126. echo " --disable-devices disable all devices"
  127. echo " --enable-filter=NAME enable filter NAME"
  128. echo " --disable-filter=NAME disable filter NAME"
  129. echo " --disable-filters disable all filters"
  130. echo " --list-decoders show all available decoders"
  131. echo " --list-encoders show all available encoders"
  132. echo " --list-hwaccels show all available hardware accelerators"
  133. echo " --list-muxers show all available muxers"
  134. echo " --list-demuxers show all available demuxers"
  135. echo " --list-parsers show all available parsers"
  136. echo " --list-protocols show all available protocols"
  137. echo " --list-bsfs show all available bitstream filters"
  138. echo " --list-indevs show all available input devices"
  139. echo " --list-outdevs show all available output devices"
  140. echo " --list-filters show all available filters"
  141. echo
  142. echo "External library support:"
  143. echo " --enable-avisynth enable reading of AVISynth script files [no]"
  144. echo " --enable-bzlib enable bzlib [autodetect]"
  145. echo " --enable-libamr-nb enable libamr-nb floating point audio codec [no]"
  146. echo " --enable-libamr-wb enable libamr-wb floating point audio codec [no]"
  147. echo " --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394"
  148. echo " and libraw1394 [no]"
  149. echo " --enable-libdirac enable Dirac support via libdirac [no]"
  150. echo " --enable-libfaac enable FAAC support via libfaac [no]"
  151. echo " --enable-libfaad enable FAAD support via libfaad [no]"
  152. echo " --enable-libfaadbin open libfaad.so.0 at runtime [no]"
  153. echo " --enable-libgsm enable GSM support via libgsm [no]"
  154. echo " --enable-libmp3lame enable MP3 encoding via libmp3lame [no]"
  155. echo " --enable-libnut enable NUT (de)muxing via libnut,"
  156. echo " native (de)muxer exists [no]"
  157. echo " --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]"
  158. echo " --enable-libschroedinger enable Dirac support via libschroedinger [no]"
  159. echo " --enable-libspeex enable Speex decoding via libspeex [no]"
  160. echo " --enable-libtheora enable Theora encoding via libtheora [no]"
  161. echo " --enable-libvorbis enable Vorbis encoding via libvorbis,"
  162. echo " native implementation exists [no]"
  163. echo " --enable-libx264 enable H.264 encoding via x264 [no]"
  164. echo " --enable-libxvid enable Xvid encoding via xvidcore,"
  165. echo " native MPEG-4/Xvid encoder exists [no]"
  166. echo " --enable-mlib enable Sun medialib [no]"
  167. echo " --enable-zlib enable zlib [autodetect]"
  168. echo ""
  169. echo "Advanced options (experts only):"
  170. echo " --source-path=PATH path to source code [$source_path]"
  171. echo " --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]"
  172. echo " --enable-cross-compile assume a cross-compiler is used"
  173. echo " --sysroot=PATH root of cross-build tree"
  174. echo " --sysinclude=PATH location of cross-build system headers"
  175. echo " --target-os=OS compiler targets OS [$target_os]"
  176. echo " --target-exec=CMD command to run executables on target"
  177. echo " --target-path=DIR path to view of build directory on target"
  178. echo " --nm=NM use nm tool"
  179. echo " --as=AS use assembler AS [$as_default]"
  180. echo " --cc=CC use C compiler CC [$cc_default]"
  181. echo " --host-cc=HOSTCC use host C compiler HOSTCC"
  182. echo " --host-cflags=HCFLAGS use HCFLAGS when compiling for host"
  183. echo " --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host"
  184. echo " --host-libs=HLIBS use libs HLIBS when linking for host"
  185. echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
  186. echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
  187. echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
  188. echo " --extra-version=STRING version string suffix []"
  189. echo " --build-suffix=SUFFIX library name suffix []"
  190. echo " --arch=ARCH select architecture [$arch]"
  191. echo " --cpu=CPU select the minimum required CPU (affects"
  192. echo " instruction selection, may crash on older CPUs)"
  193. echo " --enable-powerpc-perf enable performance report on PPC"
  194. echo " (requires enabling PMC)"
  195. echo " --disable-altivec disable AltiVec optimizations"
  196. echo " --disable-amd3dnow disable 3DNow! optimizations"
  197. echo " --disable-amd3dnowext disable 3DNow! extended optimizations"
  198. echo " --disable-mmx disable MMX optimizations"
  199. echo " --disable-mmx2 disable MMX2 optimizations"
  200. echo " --disable-sse disable SSE optimizations"
  201. echo " --disable-ssse3 disable SSSE3 optimizations"
  202. echo " --disable-armv5te disable armv5te optimizations"
  203. echo " --disable-armv6 disable armv6 optimizations"
  204. echo " --disable-armv6t2 disable armv6t2 optimizations"
  205. echo " --disable-armvfp disable ARM VFP optimizations"
  206. echo " --disable-iwmmxt disable iwmmxt optimizations"
  207. echo " --disable-mmi disable MMI optimizations"
  208. echo " --disable-neon disable neon optimizations"
  209. echo " --disable-vis disable VIS optimizations"
  210. echo " --disable-yasm disable use of yasm assembler"
  211. echo
  212. echo "Developer options (useful when working on FFmpeg itself):"
  213. echo " --disable-debug disable debugging symbols"
  214. echo " --enable-debug=LEVEL set the debug level [$debuglevel]"
  215. echo " --enable-gprof enable profiling with gprof [$gprof]"
  216. echo " --disable-optimizations disable compiler optimizations"
  217. echo " --enable-extra-warnings enable more compiler warnings"
  218. echo " --disable-stripping disable stripping of executables and shared libraries"
  219. echo ""
  220. echo "NOTE: Object files are built at the place where configure is launched."
  221. exit 0
  222. }
  223. log(){
  224. echo "$@" >> $logfile
  225. }
  226. log_file(){
  227. log BEGIN $1
  228. pr -n -t $1 >> $logfile
  229. log END $1
  230. }
  231. echolog(){
  232. log "$@"
  233. echo "$@"
  234. }
  235. die(){
  236. echolog "$@"
  237. cat <<EOF
  238. If you think configure made a mistake, make sure you are using the latest
  239. version from SVN. If the latest version fails, report the problem to the
  240. ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
  241. EOF
  242. if disabled logging; then
  243. cat <<EOF
  244. Rerun configure with logging enabled (do not use --disable-logging), and
  245. include the log this produces with your report.
  246. EOF
  247. else
  248. cat <<EOF
  249. Include the log file "$logfile" produced by configure as this will help
  250. solving the problem.
  251. EOF
  252. fi
  253. exit 1
  254. }
  255. # Avoid locale weirdness, besides we really just want to translate ASCII.
  256. toupper(){
  257. echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
  258. }
  259. tolower(){
  260. echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
  261. }
  262. c_escape(){
  263. echo "$*" | sed 's/["\\]/\\\0/g'
  264. }
  265. set_all(){
  266. value=$1
  267. shift
  268. for var in $*; do
  269. eval $var=$value
  270. done
  271. }
  272. set_weak(){
  273. value=$1
  274. shift
  275. for var; do
  276. eval : \${$var:=$value}
  277. done
  278. }
  279. pushvar(){
  280. for var in $*; do
  281. eval level=\${${var}_level:=0}
  282. eval ${var}_${level}="\$$var"
  283. eval ${var}_level=$(($level+1))
  284. done
  285. }
  286. popvar(){
  287. for var in $*; do
  288. eval level=\${${var}_level:-0}
  289. test $level = 0 && continue
  290. eval level=$(($level-1))
  291. eval $var="\${${var}_${level}}"
  292. eval ${var}_level=$level
  293. eval unset ${var}_${level}
  294. done
  295. }
  296. enable(){
  297. set_all yes $*
  298. }
  299. disable(){
  300. set_all no $*
  301. }
  302. enable_weak(){
  303. set_weak yes $*
  304. }
  305. disable_weak(){
  306. set_weak no $*
  307. }
  308. enable_safe(){
  309. enable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
  310. }
  311. disable_safe(){
  312. disable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
  313. }
  314. do_enable_deep(){
  315. for var; do
  316. enabled $var && continue
  317. eval sel="\$${var}_select"
  318. eval sgs="\$${var}_suggest"
  319. pushvar var sgs
  320. enable_deep $sel
  321. popvar sgs
  322. enable_deep_weak $sgs
  323. popvar var
  324. done
  325. }
  326. enable_deep(){
  327. do_enable_deep $*
  328. enable $*
  329. }
  330. enable_deep_weak(){
  331. do_enable_deep $*
  332. enable_weak $*
  333. }
  334. enabled(){
  335. test "${1#!}" = "$1" && op== || op=!=
  336. eval test "x\$${1#!}" $op "xyes"
  337. }
  338. disabled(){
  339. test "${1#!}" = "$1" && op== || op=!=
  340. eval test "x\$${1#!}" $op "xno"
  341. }
  342. enabled_all(){
  343. for opt; do
  344. enabled $opt || return 1
  345. done
  346. }
  347. disabled_all(){
  348. for opt; do
  349. disabled $opt || return 1
  350. done
  351. }
  352. enabled_any(){
  353. for opt; do
  354. enabled $opt && return 0
  355. done
  356. }
  357. disabled_any(){
  358. for opt; do
  359. disabled $opt && return 0
  360. done
  361. return 1
  362. }
  363. set_default(){
  364. for opt; do
  365. eval : \${$opt:=\$${opt}_default}
  366. done
  367. }
  368. is_in(){
  369. value=$1
  370. shift
  371. for var in $*; do
  372. [ $var = $value ] && return 0
  373. done
  374. return 1
  375. }
  376. check_deps(){
  377. for cfg; do
  378. cfg="${cfg#!}"
  379. enabled ${cfg}_checking && die "Circular dependency for $cfg."
  380. disabled ${cfg}_checking && continue
  381. enable ${cfg}_checking
  382. eval dep_all="\$${cfg}_deps"
  383. eval dep_any="\$${cfg}_deps_any"
  384. eval dep_sel="\$${cfg}_select"
  385. eval dep_sgs="\$${cfg}_suggest"
  386. pushvar cfg dep_all dep_any dep_sel dep_sgs
  387. check_deps $dep_all $dep_any $dep_sel $dep_sgs
  388. popvar cfg dep_all dep_any dep_sel dep_sgs
  389. enabled_all $dep_all || disable $cfg
  390. enabled_any $dep_any || disable $cfg
  391. disabled_any $dep_sel && disable $cfg
  392. if enabled $cfg; then
  393. eval dep_extralibs="\$${cfg}_extralibs"
  394. test -n "$dep_extralibs" && add_extralibs $dep_extralibs
  395. enable_deep $dep_sel
  396. enable_deep_weak $dep_sgs
  397. fi
  398. disable ${cfg}_checking
  399. done
  400. }
  401. print_config(){
  402. pfx=$1
  403. header=$2
  404. makefile=$3
  405. shift 3
  406. for cfg; do
  407. ucname="$(toupper $cfg)"
  408. if enabled $cfg; then
  409. echo "#define ${pfx}${ucname} 1" >> $header
  410. echo "${pfx}${ucname}=yes" >> $makefile
  411. else
  412. echo "#define ${pfx}${ucname} 0" >> $header
  413. fi
  414. done
  415. }
  416. flags_saved(){
  417. (: ${SAVE_CFLAGS?}) 2> /dev/null
  418. }
  419. save_flags(){
  420. flags_saved && return
  421. SAVE_CFLAGS="$CFLAGS"
  422. SAVE_LDFLAGS="$LDFLAGS"
  423. SAVE_extralibs="$extralibs"
  424. }
  425. restore_flags(){
  426. flags_saved || return
  427. CFLAGS="$SAVE_CFLAGS"
  428. LDFLAGS="$SAVE_LDFLAGS"
  429. extralibs="$SAVE_extralibs"
  430. unset SAVE_CFLAGS
  431. unset SAVE_LDFLAGS
  432. unset SAVE_extralibs
  433. }
  434. temp_cflags(){
  435. save_flags
  436. CFLAGS="$CFLAGS $*"
  437. }
  438. temp_ldflags(){
  439. save_flags
  440. LDFLAGS="$LDFLAGS $*"
  441. }
  442. temp_extralibs(){
  443. save_flags
  444. extralibs="$extralibs $*"
  445. }
  446. append(){
  447. var=$1
  448. shift
  449. flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
  450. eval "$var=\"\$$var $*\""
  451. }
  452. add_cflags(){
  453. append CFLAGS "$@"
  454. }
  455. add_ldflags(){
  456. append LDFLAGS "$@"
  457. }
  458. add_extralibs(){
  459. append extralibs "$@"
  460. }
  461. check_cmd(){
  462. log "$@"
  463. "$@" >> $logfile 2>&1
  464. }
  465. check_cc(){
  466. log check_cc "$@"
  467. cat > $TMPC
  468. log_file $TMPC
  469. check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
  470. }
  471. check_cpp(){
  472. log check_cpp "$@"
  473. cat > $TMPC
  474. log_file $TMPC
  475. check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
  476. }
  477. check_as(){
  478. log check_as "$@"
  479. cat > $TMPC
  480. log_file $TMPC
  481. check_cmd $as $CFLAGS "$@" -c -o $TMPO $TMPC
  482. }
  483. check_asm(){
  484. log check_asm "$@"
  485. name="$1"
  486. asm="$2"
  487. shift 2
  488. check_as "$@" <<EOF && enable $name || disable $name
  489. void foo(void){ __asm__ volatile($asm); }
  490. EOF
  491. }
  492. check_yasm(){
  493. log check_yasm "$@"
  494. echo "$1" > $TMPS
  495. log_file $TMPS
  496. shift 1
  497. check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
  498. }
  499. check_ld(){
  500. log check_ld "$@"
  501. check_cc || return
  502. flags=''
  503. libs=''
  504. for f; do
  505. test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
  506. done
  507. check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
  508. }
  509. check_cflags(){
  510. log check_cflags "$@"
  511. check_cc "$@" <<EOF && add_cflags "$@"
  512. int x;
  513. EOF
  514. }
  515. check_ldflags(){
  516. log check_ldflags "$@"
  517. check_ld "$@" <<EOF && add_ldflags "$@"
  518. int main(void){ return 0; }
  519. EOF
  520. }
  521. check_header(){
  522. log check_header "$@"
  523. header=$1
  524. shift
  525. disable_safe $header
  526. check_cpp "$@" <<EOF && enable_safe $header
  527. #include <$header>
  528. int x;
  529. EOF
  530. }
  531. check_func(){
  532. log check_func "$@"
  533. func=$1
  534. shift
  535. disable $func
  536. check_ld "$@" <<EOF && enable $func
  537. extern int $func();
  538. int main(void){ $func(); }
  539. EOF
  540. }
  541. check_func_headers(){
  542. log check_func_headers "$@"
  543. headers=$1
  544. func=$2
  545. shift 2
  546. disable $func
  547. incs=""
  548. for hdr in $headers; do
  549. incs="$incs
  550. #include <$hdr>"
  551. done
  552. check_ld "$@" <<EOF && enable $func && enable_safe $headers
  553. $incs
  554. int main(int argc, char **argv){
  555. (void) $func;
  556. return 0;
  557. }
  558. EOF
  559. }
  560. check_cpp_condition(){
  561. log check_cpp_condition "$@"
  562. header=$1
  563. condition=$2
  564. check_cpp <<EOF
  565. #include <$header>
  566. #if !($condition)
  567. #error "unsatisfied condition: $condition"
  568. #endif
  569. EOF
  570. }
  571. check_lib(){
  572. log check_lib "$@"
  573. header="$1"
  574. func="$2"
  575. shift 2
  576. temp_extralibs "$@"
  577. check_header $header && check_func $func && add_extralibs "$@"
  578. err=$?
  579. restore_flags
  580. return $err
  581. }
  582. check_lib2(){
  583. log check_lib2 "$@"
  584. headers="$1"
  585. func="$2"
  586. shift 2
  587. temp_extralibs "$@"
  588. check_func_headers "$headers" $func && add_extralibs "$@"
  589. err=$?
  590. restore_flags
  591. return $err
  592. }
  593. check_exec(){
  594. check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
  595. }
  596. check_exec_crash(){
  597. code=$(cat)
  598. # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
  599. # are safe but may not be available everywhere. Thus we use
  600. # raise(SIGTERM) instead. The check is run in a subshell so we
  601. # can redirect the "Terminated" message from the shell. SIGBUS
  602. # is not defined by standard C so it is used conditionally.
  603. (check_exec "$@") >> $logfile 2>&1 <<EOF
  604. #include <signal.h>
  605. static void sighandler(int sig){
  606. raise(SIGTERM);
  607. }
  608. int main(void){
  609. signal(SIGILL, sighandler);
  610. signal(SIGFPE, sighandler);
  611. signal(SIGSEGV, sighandler);
  612. #ifdef SIGBUS
  613. signal(SIGBUS, sighandler);
  614. #endif
  615. { $code }
  616. }
  617. EOF
  618. }
  619. check_type(){
  620. log check_type "$@"
  621. headers=$1
  622. type=$2
  623. shift 2
  624. disable $type
  625. incs=""
  626. for hdr in $headers; do
  627. incs="$incs
  628. #include <$hdr>"
  629. done
  630. check_cc "$@" <<EOF && enable $type
  631. $incs
  632. $type v;
  633. EOF
  634. }
  635. require(){
  636. name="$1"
  637. header="$2"
  638. func="$3"
  639. shift 3
  640. check_lib $header $func "$@" || die "ERROR: $name not found"
  641. }
  642. require2(){
  643. name="$1"
  644. headers="$2"
  645. func="$3"
  646. shift 3
  647. check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
  648. }
  649. check_foo_config(){
  650. cfg=$1
  651. pkg=$2
  652. header=$3
  653. func=$4
  654. shift 4
  655. disable $cfg
  656. check_cmd ${pkg}-config --version
  657. err=$?
  658. if test "$err" = 0; then
  659. temp_cflags $(${pkg}-config --cflags)
  660. temp_extralibs $(${pkg}-config --libs)
  661. check_lib "$@" $header $func && enable $cfg
  662. fi
  663. return $err
  664. }
  665. apply(){
  666. file=$1
  667. shift
  668. "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
  669. }
  670. # CONFIG_LIST contains configurable options, while HAVE_LIST is for
  671. # system-dependent things.
  672. COMPONENT_LIST="
  673. bsfs
  674. decoders
  675. demuxers
  676. encoders
  677. filters
  678. hwaccels
  679. indevs
  680. muxers
  681. outdevs
  682. parsers
  683. protocols
  684. "
  685. CONFIG_LIST="
  686. $COMPONENT_LIST
  687. aandct
  688. avfilter
  689. avfilter_lavf
  690. avisynth
  691. beos_netserver
  692. bzlib
  693. fastdiv
  694. ffmpeg
  695. ffplay
  696. ffserver
  697. fft
  698. golomb
  699. gpl
  700. gprof
  701. gray
  702. hardcoded_tables
  703. ipv6
  704. libamr_nb
  705. libamr_wb
  706. libdc1394
  707. libdirac
  708. libfaac
  709. libfaad
  710. libfaadbin
  711. libgsm
  712. libmp3lame
  713. libnut
  714. libopenjpeg
  715. libschroedinger
  716. libspeex
  717. libtheora
  718. libvorbis
  719. libx264
  720. libxvid
  721. mdct
  722. memalign_hack
  723. mlib
  724. mpegaudio_hp
  725. network
  726. nonfree
  727. postproc
  728. powerpc_perf
  729. rdft
  730. runtime_cpudetect
  731. shared
  732. small
  733. static
  734. swscale_alpha
  735. x11grab
  736. zlib
  737. "
  738. THREADS_LIST='
  739. beosthreads
  740. os2threads
  741. pthreads
  742. w32threads
  743. '
  744. ARCH_LIST='
  745. alpha
  746. arm
  747. bfin
  748. ia64
  749. m68k
  750. mips
  751. parisc
  752. ppc
  753. s390
  754. sh4
  755. sparc
  756. sparc64
  757. x86
  758. x86_32
  759. x86_64
  760. '
  761. ARCH_EXT_LIST='
  762. altivec
  763. amd3dnow
  764. amd3dnowext
  765. armv5te
  766. armv6
  767. armv6t2
  768. armvfp
  769. iwmmxt
  770. mmi
  771. mmx
  772. mmx2
  773. neon
  774. ppc4xx
  775. sse
  776. ssse3
  777. vis
  778. '
  779. HAVE_LIST="
  780. $ARCH_EXT_LIST
  781. $THREADS_LIST
  782. alsa_asoundlib_h
  783. altivec_h
  784. arpa_inet_h
  785. bswap
  786. closesocket
  787. cmov
  788. conio_h
  789. dcbzl
  790. dev_bktr_ioctl_bt848_h
  791. dev_bktr_ioctl_meteor_h
  792. dev_ic_bt8xx_h
  793. dev_video_meteor_ioctl_meteor_h
  794. dev_video_bktr_ioctl_bt848_h
  795. dlfcn_h
  796. dlopen
  797. dos_paths
  798. ebp_available
  799. ebx_available
  800. fast_64bit
  801. fast_cmov
  802. fast_unaligned
  803. fork
  804. gethrtime
  805. GetProcessTimes
  806. getrusage
  807. inet_aton
  808. inline_asm
  809. ldbrx
  810. libdc1394_1
  811. libdc1394_2
  812. llrint
  813. lrint
  814. lrintf
  815. lzo1x_999_compress
  816. machine_ioctl_bt848_h
  817. machine_ioctl_meteor_h
  818. malloc_h
  819. memalign
  820. mkstemp
  821. pld
  822. posix_memalign
  823. ppc64
  824. round
  825. roundf
  826. sdl
  827. sdl_video_size
  828. setmode
  829. socklen_t
  830. soundcard_h
  831. poll_h
  832. sys_mman_h
  833. sys_resource_h
  834. sys_select_h
  835. sys_soundcard_h
  836. sys_videoio_h
  837. ten_operands
  838. termios_h
  839. threads
  840. truncf
  841. VirtualAlloc
  842. winsock2_h
  843. xform_asm
  844. yasm
  845. "
  846. # options emitted with CONFIG_ prefix but not available on command line
  847. CONFIG_EXTRA="
  848. "
  849. CMDLINE_SELECT="
  850. $ARCH_EXT_LIST
  851. $CONFIG_LIST
  852. $THREADS_LIST
  853. cross_compile
  854. debug
  855. extra_warnings
  856. logging
  857. optimizations
  858. stripping
  859. yasm
  860. "
  861. PATHS_LIST='
  862. bindir
  863. datadir
  864. incdir
  865. libdir
  866. mandir
  867. prefix
  868. shlibdir
  869. '
  870. CMDLINE_SET="
  871. $PATHS_LIST
  872. arch
  873. as
  874. build_suffix
  875. cc
  876. cpu
  877. cross_prefix
  878. extra_version
  879. host_cc
  880. host_cflags
  881. host_ldflags
  882. host_libs
  883. host_os
  884. logfile
  885. nm
  886. source_path
  887. sysinclude
  888. sysroot
  889. target_exec
  890. target_os
  891. target_path
  892. "
  893. # code dependency declarations
  894. # architecture extensions
  895. altivec_deps="ppc"
  896. amd3dnow_deps="mmx"
  897. amd3dnowext_deps="amd3dnow"
  898. armv5te_deps="arm"
  899. armv6_deps="arm"
  900. armv6t2_deps="arm"
  901. armvfp_deps="arm"
  902. iwmmxt_deps="arm"
  903. mmi_deps="mips"
  904. mmx_deps="x86"
  905. mmx2_deps="mmx"
  906. neon_deps="arm"
  907. ppc4xx_deps="ppc"
  908. sse_deps="mmx"
  909. ssse3_deps="sse"
  910. vis_deps="sparc"
  911. # decoders / encoders / hardware accelerators
  912. aac_decoder_select="fft mdct"
  913. ac3_decoder_deps="gpl"
  914. ac3_decoder_select="fft mdct"
  915. atrac3_decoder_select="fft mdct"
  916. cavs_decoder_select="golomb"
  917. cook_decoder_select="fft mdct"
  918. cscd_decoder_suggest="zlib"
  919. dca_decoder_select="fft mdct"
  920. dnxhd_encoder_select="aandct"
  921. dxa_decoder_select="zlib"
  922. eac3_decoder_deps="gpl"
  923. eac3_decoder_select="fft mdct"
  924. eatgq_decoder_select="aandct"
  925. eatqi_decoder_select="aandct"
  926. ffv1_decoder_select="golomb"
  927. flac_decoder_select="golomb"
  928. flac_encoder_select="golomb"
  929. flashsv_decoder_select="zlib"
  930. flashsv_encoder_select="zlib"
  931. flv_encoder_select="aandct"
  932. h261_encoder_select="aandct"
  933. h263_encoder_select="aandct"
  934. h263_vaapi_hwaccel_deps="va_va_h"
  935. h263p_encoder_select="aandct"
  936. h264_decoder_select="golomb"
  937. h264_vaapi_hwaccel_deps="va_va_h"
  938. h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
  939. imc_decoder_select="fft mdct"
  940. jpegls_decoder_select="golomb"
  941. jpegls_encoder_select="golomb"
  942. ljpeg_encoder_select="aandct"
  943. loco_decoder_select="golomb"
  944. mjpeg_encoder_select="aandct"
  945. mpeg1video_encoder_select="aandct"
  946. mpeg2video_encoder_select="aandct"
  947. mpeg4_encoder_select="aandct"
  948. mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
  949. mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
  950. mpeg2_vaapi_hwaccel_deps="va_va_h"
  951. mpeg4_vaapi_hwaccel_deps="va_va_h"
  952. mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
  953. msmpeg4v1_encoder_select="aandct"
  954. msmpeg4v2_encoder_select="aandct"
  955. msmpeg4v3_encoder_select="aandct"
  956. nellymoser_decoder_select="fft mdct"
  957. nellymoser_encoder_select="fft mdct"
  958. png_decoder_select="zlib"
  959. png_encoder_select="zlib"
  960. qdm2_decoder_select="fft mdct rdft"
  961. rv10_encoder_select="aandct"
  962. rv20_encoder_select="aandct"
  963. rv30_decoder_select="golomb"
  964. rv40_decoder_select="golomb"
  965. shorten_decoder_select="golomb"
  966. sonic_decoder_select="golomb"
  967. sonic_encoder_select="golomb"
  968. sonic_ls_encoder_select="golomb"
  969. svq3_decoder_select="golomb"
  970. svq3_decoder_suggest="zlib"
  971. tiff_decoder_suggest="zlib"
  972. tiff_encoder_suggest="zlib"
  973. tscc_decoder_select="zlib"
  974. vc1_vaapi_hwaccel_deps="va_va_h"
  975. vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
  976. vorbis_decoder_select="fft mdct"
  977. vorbis_encoder_select="fft mdct"
  978. wmav1_decoder_select="fft mdct"
  979. wmav1_encoder_select="fft mdct"
  980. wmav2_decoder_select="fft mdct"
  981. wmav2_encoder_select="fft mdct"
  982. wmv1_encoder_select="aandct"
  983. wmv2_encoder_select="aandct"
  984. wmv3_vaapi_hwaccel_deps="va_va_h"
  985. wmv3_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
  986. zlib_decoder_select="zlib"
  987. zlib_encoder_select="zlib"
  988. zmbv_decoder_select="zlib"
  989. zmbv_encoder_select="zlib"
  990. # external libraries
  991. libamr_nb_decoder_deps="libamr_nb"
  992. libamr_nb_encoder_deps="libamr_nb"
  993. libamr_wb_decoder_deps="libamr_wb"
  994. libamr_wb_encoder_deps="libamr_wb"
  995. libdirac_decoder_deps="libdirac !libschroedinger"
  996. libdirac_encoder_deps="libdirac"
  997. libfaac_encoder_deps="libfaac"
  998. libfaad_decoder_deps="libfaad"
  999. libfaadbin_decoder_extralibs='$ldl'
  1000. libgsm_decoder_deps="libgsm"
  1001. libgsm_encoder_deps="libgsm"
  1002. libgsm_ms_decoder_deps="libgsm"
  1003. libgsm_ms_encoder_deps="libgsm"
  1004. libmp3lame_encoder_deps="libmp3lame"
  1005. libopenjpeg_decoder_deps="libopenjpeg"
  1006. libschroedinger_decoder_deps="libschroedinger"
  1007. libschroedinger_encoder_deps="libschroedinger"
  1008. libspeex_decoder_deps="libspeex"
  1009. libtheora_encoder_deps="libtheora"
  1010. libvorbis_encoder_deps="libvorbis"
  1011. libx264_encoder_deps="libx264"
  1012. libxvid_encoder_deps="libxvid"
  1013. # demuxers / muxers
  1014. ac3_demuxer_deps="ac3_parser"
  1015. alsa_demuxer_deps="alsa_asoundlib_h snd_pcm_htimestamp"
  1016. alsa_demuxer_extralibs="-lasound"
  1017. alsa_muxer_deps="alsa_asoundlib_h"
  1018. alsa_muxer_extralibs="-lasound"
  1019. audio_beos_demuxer_deps="audio_beos"
  1020. audio_beos_demuxer_extralibs="-lmedia -lbe"
  1021. audio_beos_muxer_deps="audio_beos"
  1022. audio_beos_muxer_extralibs="-lmedia -lbe"
  1023. avisynth_demuxer_deps="avisynth"
  1024. bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
  1025. dirac_demuxer_deps="dirac_parser"
  1026. dv1394_demuxer_deps="dv1394 dv_demuxer"
  1027. jack_demuxer_deps="jack_jack_h"
  1028. jack_demuxer_extralibs="-ljack"
  1029. libdc1394_demuxer_deps="libdc1394"
  1030. libnut_demuxer_deps="libnut"
  1031. libnut_muxer_deps="libnut"
  1032. matroska_demuxer_suggest="zlib bzlib"
  1033. mov_demuxer_suggest="zlib"
  1034. mp3_demuxer_deps="mpegaudio_parser"
  1035. oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
  1036. oss_muxer_deps_any="soundcard_h sys_soundcard_h"
  1037. redir_demuxer_deps="network"
  1038. rtp_muxer_deps="network rtp_protocol"
  1039. rtsp_demuxer_deps="sdp_demuxer"
  1040. sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
  1041. v4l_demuxer_deps="linux_videodev_h"
  1042. v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
  1043. vfwcap_demuxer_deps="capCreateCaptureWindow"
  1044. vfwcap_demuxer_extralibs="-lvfw32"
  1045. x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
  1046. x11_grab_device_demuxer_extralibs="-lX11 -lXext"
  1047. # protocols
  1048. gopher_protocol_deps="network"
  1049. http_protocol_deps="network"
  1050. rtp_protocol_deps="udp_protocol"
  1051. tcp_protocol_deps="network"
  1052. udp_protocol_deps="network"
  1053. # filters
  1054. movie_filter_deps="avfilter_lavf"
  1055. # programs
  1056. ffplay_deps="sdl"
  1057. ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
  1058. ffserver_extralibs='$ldl'
  1059. # default parameters
  1060. logfile="config.err"
  1061. # installation paths
  1062. prefix_default="/usr/local"
  1063. bindir_default='${prefix}/bin'
  1064. datadir_default='${prefix}/share/ffmpeg'
  1065. incdir_default='${prefix}/include'
  1066. libdir_default='${prefix}/lib'
  1067. mandir_default='${prefix}/share/man'
  1068. shlibdir_default="$libdir_default"
  1069. # toolchain
  1070. ar="ar"
  1071. cc_default="gcc"
  1072. host_cc_default="gcc"
  1073. ln_s="ln -sf"
  1074. nm_default="nm"
  1075. objformat="elf"
  1076. ranlib="ranlib"
  1077. strip="strip"
  1078. yasmexe="yasm"
  1079. # machine
  1080. arch=$(uname -m)
  1081. cpu="generic"
  1082. # OS
  1083. target_os=$(tolower $(uname -s))
  1084. host_os=$target_os
  1085. # configurable options
  1086. enable debug
  1087. enable fastdiv
  1088. enable ffmpeg
  1089. enable ffplay
  1090. enable ffserver
  1091. enable ipv6
  1092. enable mpegaudio_hp
  1093. enable network
  1094. enable optimizations
  1095. enable protocols
  1096. enable static
  1097. enable stripping
  1098. enable swscale_alpha
  1099. # build settings
  1100. add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
  1101. SHFLAGS='-shared -Wl,-soname,$$(@F)'
  1102. FFSERVERLDFLAGS=-Wl,-E
  1103. LIBPREF="lib"
  1104. LIBSUF=".a"
  1105. FULLNAME='$(NAME)$(BUILDSUF)'
  1106. LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
  1107. SLIBPREF="lib"
  1108. SLIBSUF=".so"
  1109. SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
  1110. SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
  1111. SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
  1112. LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
  1113. host_cflags='-O3 -g -Wall'
  1114. host_libs='-lm'
  1115. target_path='.'
  1116. # gcc stupidly only outputs the basename of targets with -MM, but we need the
  1117. # full relative path for objects in subdirectories for non-recursive Make.
  1118. DEPEND_CMD='$(CC) $(CFLAGS) -MM $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
  1119. # find source path
  1120. source_path="$(dirname "$0")"
  1121. enable source_path_used
  1122. if test -z "$source_path" -o "$source_path" = "." ; then
  1123. source_path="$(pwd)"
  1124. disable source_path_used
  1125. else
  1126. source_path="$(cd "$source_path"; pwd)"
  1127. echo "$source_path" | grep -q '[[:blank:]]' &&
  1128. die "Out of tree builds are impossible with whitespace in source path."
  1129. test -e "$source_path/config.h" &&
  1130. die "Out of tree builds are impossible with config.h in source dir."
  1131. fi
  1132. for v in "$@"; do
  1133. r="${v#*=}"
  1134. l="${v%$r}"
  1135. test "$r" = "${r#* }" || r="'$r'"
  1136. FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
  1137. done
  1138. find_things(){
  1139. thing=$1
  1140. pattern=$2
  1141. file=$source_path/$3
  1142. sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
  1143. }
  1144. ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
  1145. DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
  1146. HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
  1147. PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
  1148. BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
  1149. MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
  1150. DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
  1151. OUTDEV_LIST=$(find_things muxer _MUX libavdevice/alldevices.c)
  1152. INDEV_LIST=$(find_things demuxer DEMUX libavdevice/alldevices.c)
  1153. PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
  1154. FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
  1155. enable $ARCH_EXT_LIST \
  1156. $DECODER_LIST \
  1157. $ENCODER_LIST \
  1158. $HWACCEL_LIST \
  1159. $PARSER_LIST \
  1160. $BSF_LIST \
  1161. $DEMUXER_LIST \
  1162. $MUXER_LIST \
  1163. $FILTER_LIST \
  1164. $PROTOCOL_LIST \
  1165. $INDEV_LIST \
  1166. $OUTDEV_LIST \
  1167. die_unknown(){
  1168. echo "Unknown option \"$1\"."
  1169. echo "See $0 --help for available options."
  1170. exit 1
  1171. }
  1172. show_list() {
  1173. suffix=_$1
  1174. shift
  1175. echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
  1176. exit 0
  1177. }
  1178. for opt do
  1179. optval="${opt#*=}"
  1180. case "$opt" in
  1181. --extra-cflags=*) add_cflags $optval
  1182. ;;
  1183. --extra-ldflags=*) add_ldflags $optval
  1184. ;;
  1185. --extra-libs=*) add_extralibs $optval
  1186. ;;
  1187. --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
  1188. ;;
  1189. --enable-debug=*) debuglevel="$optval"
  1190. ;;
  1191. --enable-*=*|--disable-*=*)
  1192. eval $(echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/')
  1193. case "$thing" in
  1194. encoder|decoder|hwaccel|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
  1195. *) die_unknown "$opt" ;;
  1196. esac
  1197. ;;
  1198. --enable-?*|--disable-?*)
  1199. eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
  1200. if is_in $option $COMPONENT_LIST; then
  1201. eval $action \$$(toupper ${option%s})_LIST
  1202. elif is_in $option $CMDLINE_SELECT; then
  1203. $action $option
  1204. else
  1205. die_unknown $opt
  1206. fi
  1207. ;;
  1208. --list-*)
  1209. NAME="${opt#--list-}"
  1210. is_in $NAME $COMPONENT_LIST || die_unknown $opt
  1211. NAME=${NAME%s}
  1212. eval show_list $NAME \$$(toupper $NAME)_LIST
  1213. ;;
  1214. --help|-h) show_help
  1215. ;;
  1216. *)
  1217. optname="${opt%%=*}"
  1218. optname="${optname#--}"
  1219. optname=$(echo "$optname" | sed 's/-/_/g')
  1220. is_in $optname $CMDLINE_SET || die_unknown $opt
  1221. eval $optname='$optval'
  1222. ;;
  1223. esac
  1224. done
  1225. disabled logging && logfile=/dev/null
  1226. echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
  1227. set >> $logfile
  1228. test -n "$cross_prefix" && enable cross_compile
  1229. ar="${cross_prefix}${ar}"
  1230. cc_default="${cross_prefix}${cc_default}"
  1231. nm_default="${cross_prefix}${nm_default}"
  1232. ranlib="${cross_prefix}${ranlib}"
  1233. strip="${cross_prefix}${strip}"
  1234. sysinclude_default="${sysroot}/usr/include"
  1235. set_default cc nm sysinclude
  1236. as_default=$cc
  1237. enabled cross_compile || host_cc_default=$cc
  1238. set_default host_cc
  1239. exesuf() {
  1240. case $1 in
  1241. mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
  1242. esac
  1243. }
  1244. EXESUF=$(exesuf $target_os)
  1245. HOSTEXESUF=$(exesuf $host_os)
  1246. # set temporary file name
  1247. : ${TMPDIR:=$TEMPDIR}
  1248. : ${TMPDIR:=$TMP}
  1249. : ${TMPDIR:=/tmp}
  1250. if ! check_cmd type mktemp; then
  1251. # simple replacement for missing mktemp
  1252. # NOT SAFE FOR GENERAL USE
  1253. mktemp(){
  1254. echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
  1255. }
  1256. fi
  1257. tmpfile(){
  1258. tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
  1259. (set -C; exec > $tmp) 2>/dev/null ||
  1260. die "Unable to create temoporary file in $TMPDIR."
  1261. append TMPFILES $tmp
  1262. eval $1=$tmp
  1263. }
  1264. trap 'rm -f -- $TMPFILES' EXIT
  1265. trap exit HUP INT TERM
  1266. tmpfile TMPC .c
  1267. tmpfile TMPE $EXESUF
  1268. tmpfile TMPH .h
  1269. tmpfile TMPO .o
  1270. tmpfile TMPS .S
  1271. tmpfile TMPSH .sh
  1272. unset -f mktemp
  1273. # make sure we can execute files in $TMPDIR
  1274. cat > $TMPSH 2>> $logfile <<EOF
  1275. #! /bin/sh
  1276. EOF
  1277. chmod +x $TMPSH >> $logfile 2>&1
  1278. if ! $TMPSH >> $logfile 2>&1; then
  1279. cat <<EOF
  1280. Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
  1281. variable to another directory and make sure that it is not mounted noexec.
  1282. EOF
  1283. die "Sanity test failed."
  1284. fi
  1285. if $cc --version 2>/dev/null | grep -qi gcc; then
  1286. cc_type=gcc
  1287. elif $cc --version 2>/dev/null | grep -q Intel; then
  1288. cc_type=icc
  1289. elif $cc -v 2>&1 | grep -q xlc; then
  1290. cc_type=xlc
  1291. elif $cc -V 2>/dev/null | grep -q Compaq; then
  1292. cc_type=ccc
  1293. DEPEND_CMD='$(CC) $(CFLAGS) -M $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
  1294. debuglevel=3
  1295. add_ldflags -Wl,-z,now # calls to libots crash without this
  1296. elif $cc --vsn 2>/dev/null | grep -q RVCT; then
  1297. test -d "$sysroot" || die "No valid sysroot specified."
  1298. cc_type=armcc
  1299. armcc_conf="$PWD/armcc.conf"
  1300. $cc --arm_linux_configure \
  1301. --arm_linux_config_file="$armcc_conf" \
  1302. --configure_sysroot="$sysroot" \
  1303. --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
  1304. die "Error creating armcc configuration file."
  1305. cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
  1306. as_default="${cross_prefix}gcc"
  1307. fi
  1308. test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
  1309. set_default as
  1310. if test -n "$sysroot"; then
  1311. case "$cc_type" in
  1312. gcc)
  1313. add_cflags --sysroot="$sysroot"
  1314. add_ldflags --sysroot="$sysroot"
  1315. ;;
  1316. esac
  1317. fi
  1318. # compiler sanity check
  1319. check_exec <<EOF
  1320. int main(void){ return 0; }
  1321. EOF
  1322. if test "$?" != 0; then
  1323. echo "$cc is unable to create an executable file."
  1324. if test -z "$cross_prefix" && ! enabled cross_compile ; then
  1325. echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
  1326. echo "Only do this if you know what cross compiling means."
  1327. fi
  1328. die "C compiler test failed."
  1329. fi
  1330. check_cflags -std=c99
  1331. check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cflags -D_FILE_OFFSET_BITS=64
  1332. #include <stdlib.h>
  1333. EOF
  1334. check_cc -D_LARGEFILE_SOURCE <<EOF && add_cflags -D_LARGEFILE_SOURCE
  1335. #include <stdlib.h>
  1336. EOF
  1337. case "$arch" in
  1338. alpha)
  1339. arch="alpha"
  1340. enable fast_64bit
  1341. check_cflags -mieee
  1342. ;;
  1343. arm|armv[4567]*l)
  1344. arch="arm"
  1345. ;;
  1346. avr32)
  1347. ;;
  1348. bfin)
  1349. arch="bfin"
  1350. ;;
  1351. ia64)
  1352. arch="ia64"
  1353. enable fast_64bit
  1354. ;;
  1355. m68k)
  1356. arch="m68k"
  1357. ;;
  1358. mips|mipsel|IP*)
  1359. arch="mips"
  1360. ;;
  1361. mips64)
  1362. arch="mips"
  1363. enable fast_64bit
  1364. ;;
  1365. parisc|hppa)
  1366. arch="parisc"
  1367. ;;
  1368. parisc64|hppa64)
  1369. arch="parisc"
  1370. enable fast_64bit
  1371. ;;
  1372. "Power Macintosh"|ppc|powerpc)
  1373. arch="ppc"
  1374. enable fast_unaligned
  1375. ;;
  1376. ppc64)
  1377. arch="ppc"
  1378. enable fast_64bit
  1379. enable fast_unaligned
  1380. ;;
  1381. s390|s390x)
  1382. arch="s390"
  1383. ;;
  1384. sh4|sh)
  1385. arch="sh4"
  1386. ;;
  1387. sparc)
  1388. arch="sparc"
  1389. ;;
  1390. sun4u|sparc64)
  1391. arch="sparc"
  1392. subarch="sparc64"
  1393. enable fast_64bit
  1394. ;;
  1395. i386|i486|i586|i686|i86pc|BePC)
  1396. arch="x86"
  1397. subarch="x86_32"
  1398. enable fast_unaligned
  1399. ;;
  1400. x86_64|amd64)
  1401. arch="x86"
  1402. subarch="x86_32"
  1403. enable cmov
  1404. enable fast_cmov
  1405. enable fast_unaligned
  1406. check_cc <<EOF && enable fast_64bit && subarch="x86_64"
  1407. int test[sizeof(char*) - 7];
  1408. EOF
  1409. ;;
  1410. *)
  1411. arch="unknown"
  1412. ;;
  1413. esac
  1414. enable $arch $subarch
  1415. # OS specific
  1416. case $target_os in
  1417. beos|haiku|zeta)
  1418. prefix_default="$HOME/config"
  1419. # helps building libavcodec
  1420. add_cflags -DPIC -fomit-frame-pointer
  1421. # 3 gcc releases known for BeOS, each with ugly bugs
  1422. gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
  1423. case "$gcc_version" in
  1424. 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
  1425. disable mmx
  1426. ;;
  1427. *20010315*) echo "BeBits gcc"
  1428. add_cflags -fno-expensive-optimizations
  1429. ;;
  1430. esac
  1431. SHFLAGS=-nostart
  1432. # enable BeOS things
  1433. enable audio_beos
  1434. # no need for libm, but the inet stuff
  1435. # Check for BONE
  1436. # XXX: actually should check for NOT net_server
  1437. if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
  1438. network_extralibs="-lbind -lsocket"
  1439. else
  1440. enable beos_netserver
  1441. network_extralibs="-lnet"
  1442. fi ;;
  1443. sunos)
  1444. FFSERVERLDFLAGS=""
  1445. SHFLAGS='-shared -Wl,-h,$$(@F)'
  1446. network_extralibs="-lsocket -lnsl"
  1447. add_cflags -D__EXTENSIONS__
  1448. ;;
  1449. netbsd)
  1450. oss_demuxer_extralibs="-lossaudio"
  1451. oss_muxer_extralibs="-lossaudio"
  1452. ;;
  1453. openbsd)
  1454. disable need_memalign
  1455. LIBOBJFLAGS='$(PIC)'
  1456. SHFLAGS='-shared'
  1457. oss_demuxer_extralibs="-lossaudio"
  1458. oss_muxer_extralibs="-lossaudio"
  1459. ;;
  1460. freebsd)
  1461. disable need_memalign
  1462. ;;
  1463. bsd/os)
  1464. osextralibs="-lpoll -lgnugetopt"
  1465. strip="strip -d"
  1466. ;;
  1467. darwin)
  1468. disable need_memalign
  1469. SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
  1470. strip="strip -x"
  1471. FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
  1472. SLIBSUF=".dylib"
  1473. SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
  1474. SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
  1475. FFSERVERLDFLAGS=-Wl,-bind_at_load
  1476. objformat="macho"
  1477. enabled x86_64 && objformat="macho64"
  1478. ;;
  1479. mingw32*)
  1480. target_os=mingw32
  1481. LIBTARGET=i386
  1482. if enabled x86_64; then
  1483. disable need_memalign
  1484. LIBTARGET=x64
  1485. fi
  1486. shlibdir_default="$bindir_default"
  1487. disable ffserver
  1488. SLIBPREF=""
  1489. SLIBSUF=".dll"
  1490. SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
  1491. SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
  1492. SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
  1493. SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
  1494. install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
  1495. SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
  1496. SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
  1497. objformat="win32"
  1498. enable dos_paths
  1499. check_cflags -fno-common
  1500. if ! enabled x86_64; then
  1501. check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
  1502. die "ERROR: MinGW runtime version must be >= 3.15."
  1503. enabled_any avisynth vfwcap_demuxer &&
  1504. { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
  1505. die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
  1506. fi
  1507. ;;
  1508. cygwin*)
  1509. target_os=cygwin
  1510. shlibdir_default="$bindir_default"
  1511. SLIBPREF="cyg"
  1512. SLIBSUF=".dll"
  1513. SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
  1514. SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
  1515. SHFLAGS='-shared -Wl,--enable-auto-image-base'
  1516. objformat="win32"
  1517. enable dos_paths
  1518. check_cflags -fno-common
  1519. ;;
  1520. *-dos|freedos|opendos)
  1521. disable ffplay ffserver
  1522. disable $INDEV_LIST $OUTDEV_LIST
  1523. network_extralibs="-lsocket"
  1524. objformat="coff"
  1525. enable dos_paths
  1526. ;;
  1527. linux)
  1528. enable dv1394
  1529. ;;
  1530. irix*)
  1531. target_os=irix
  1532. ranlib="echo ignoring ranlib"
  1533. ;;
  1534. os/2*)
  1535. strip="lxlite"
  1536. ln_s="cp -f"
  1537. FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
  1538. SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
  1539. FFSERVERLDFLAGS=""
  1540. LIBSUF="_s.a"
  1541. SLIBPREF=""
  1542. SLIBSUF=".dll"
  1543. SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
  1544. SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
  1545. SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
  1546. echo PROTMODE >> $(SUBDIR)$(NAME).def; \
  1547. echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
  1548. echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
  1549. echo EXPORTS >> $(SUBDIR)$(NAME).def; \
  1550. emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
  1551. SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
  1552. emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
  1553. SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
  1554. SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
  1555. enable dos_paths
  1556. ;;
  1557. gnu/kfreebsd)
  1558. ;;
  1559. *)
  1560. die "Unknown OS '$target_os'."
  1561. ;;
  1562. esac
  1563. set_default $PATHS_LIST
  1564. add_extralibs $osextralibs
  1565. # Combine FFLDFLAGS and the LDFLAGS environment variable.
  1566. LDFLAGS="$FFLDFLAGS $LDFLAGS"
  1567. # we need to build at least one lib type
  1568. if ! enabled_any static shared; then
  1569. cat <<EOF
  1570. At least one library type must be built.
  1571. Specify --enable-static to build the static libraries or --enable-shared to
  1572. build the shared libraries as well. To only build the shared libraries specify
  1573. --disable-static in addition to --enable-shared.
  1574. EOF
  1575. exit 1;
  1576. fi
  1577. disabled static && LIBNAME=""
  1578. if enabled_any libfaad libfaadbin ; then
  1579. if check_header faad.h; then
  1580. check_cc <<EOF
  1581. #include <faad.h>
  1582. #ifndef FAAD2_VERSION
  1583. ok faad1
  1584. #endif
  1585. int main(void) { return 0; }
  1586. EOF
  1587. test $? = 0 && enable libfaad2
  1588. else
  1589. die "FAAD test failed."
  1590. fi
  1591. fi
  1592. die_license_disabled() {
  1593. enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
  1594. }
  1595. die_license_disabled gpl libfaad2
  1596. die_license_disabled gpl libx264
  1597. die_license_disabled gpl libxvid
  1598. die_license_disabled gpl postproc
  1599. die_license_disabled gpl x11grab
  1600. die_license_disabled nonfree libamr_nb
  1601. die_license_disabled nonfree libamr_wb
  1602. die_license_disabled nonfree libfaac
  1603. check_deps $ARCH_EXT_LIST
  1604. test -z "$need_memalign" && need_memalign="$mmx"
  1605. #Darwin CC versions
  1606. if test $target_os = darwin; then
  1607. if enabled xlc; then
  1608. add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
  1609. else
  1610. add_cflags -pipe
  1611. check_cflags -force_cpusubtype_ALL
  1612. check_cflags -Wno-sign-compare
  1613. enabled shared || check_cflags -mdynamic-no-pic
  1614. fi
  1615. fi
  1616. disabled optimizations || check_cflags -fomit-frame-pointer
  1617. # Add processor-specific flags
  1618. if test $cpu != "generic"; then
  1619. warn_altivec(){
  1620. $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
  1621. }
  1622. case $cpu in
  1623. 601|ppc601|PowerPC601)
  1624. add_cflags -mcpu=601
  1625. warn_altivec enabled PPC601
  1626. ;;
  1627. 603*|ppc603*|PowerPC603*)
  1628. add_cflags -mcpu=603
  1629. warn_altivec enabled PPC603
  1630. ;;
  1631. 604*|ppc604*|PowerPC604*)
  1632. add_cflags -mcpu=604
  1633. warn_altivec enabled PPC604
  1634. ;;
  1635. G3|g3|75*|ppc75*|PowerPC75*)
  1636. add_cflags -mcpu=750 -mpowerpc-gfxopt
  1637. warn_altivec enabled PPC75x
  1638. ;;
  1639. G4|g4|745*|ppc745*|PowerPC745*)
  1640. add_cflags -mcpu=7450 -mpowerpc-gfxopt
  1641. warn_altivec disabled PPC745x
  1642. ;;
  1643. 74*|ppc74*|PowerPC74*)
  1644. add_cflags -mcpu=7400 -mpowerpc-gfxopt
  1645. warn_altivec disabled PPC74xx
  1646. ;;
  1647. G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
  1648. add_cflags -mcpu=970 -mpowerpc-gfxopt -mpowerpc64
  1649. warn_altivec disabled PPC970
  1650. enable ppc64
  1651. ;;
  1652. Cell|CELL|cell)
  1653. add_cflags -mcpu=cell
  1654. warn_altivec disabled Cell
  1655. enable ppc64 ldbrx
  1656. ;;
  1657. # targets that do NOT support conditional mov (cmov)
  1658. i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
  1659. add_cflags -march=$cpu
  1660. disable cmov
  1661. ;;
  1662. # targets that do support conditional mov (cmov)
  1663. i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
  1664. add_cflags -march=$cpu
  1665. enable cmov
  1666. enable fast_cmov
  1667. ;;
  1668. # targets that do support conditional mov but on which it's slow
  1669. pentium4|pentium4m|prescott|nocona)
  1670. add_cflags -march=$cpu
  1671. enable cmov
  1672. disable fast_cmov
  1673. ;;
  1674. sparc64)
  1675. add_cflags -mcpu=v9
  1676. ;;
  1677. arm11*|cortex*)
  1678. add_cflags -mcpu=$cpu
  1679. enable fast_unaligned
  1680. ;;
  1681. armv*)
  1682. add_cflags -march=$cpu
  1683. ;;
  1684. arm*)
  1685. add_cflags -mcpu=$cpu
  1686. ;;
  1687. ev4|ev45|ev5|ev56|pca56|ev6|ev67)
  1688. enabled ccc && add_cflags -arch $cpu || add_cflags -mcpu=$cpu
  1689. ;;
  1690. bf*)
  1691. add_cflags -mcpu=$cpu
  1692. ;;
  1693. *)
  1694. echo "WARNING: Unknown CPU \"$cpu\", ignored."
  1695. ;;
  1696. esac
  1697. fi
  1698. check_cc <<EOF || die "Symbol mangling check failed."
  1699. int ff_extern;
  1700. EOF
  1701. sym=$($nm -P -g $TMPO | grep ff_extern)
  1702. extern_prefix=${sym%%ff_extern*}
  1703. check_cc <<EOF && enable inline_asm
  1704. void foo(void) { __asm__ volatile ("" ::); }
  1705. EOF
  1706. if enabled x86; then
  1707. # check whether EBP is available on x86
  1708. # As 'i' is stored on the stack, this program will crash
  1709. # if the base pointer is used to access it because the
  1710. # base pointer is cleared in the inline assembly code.
  1711. check_exec_crash <<EOF && enable ebp_available
  1712. volatile int i=0;
  1713. __asm__ volatile (
  1714. "xorl %%ebp, %%ebp"
  1715. ::: "%ebp");
  1716. return i;
  1717. EOF
  1718. # check wether EBX is available on x86
  1719. check_asm ebx_available '"":::"%ebx"'
  1720. # check whether more than 10 operands are supported
  1721. check_cc <<EOF && enable ten_operands
  1722. int main(void) {
  1723. int x=0;
  1724. __asm__ volatile(
  1725. ""
  1726. :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
  1727. );
  1728. return 0;
  1729. }
  1730. EOF
  1731. # check whether binutils is new enough to compile SSSE3/MMX2
  1732. enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
  1733. enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
  1734. check_asm bswap '"bswap %%eax" ::: "%eax"'
  1735. YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
  1736. enabled x86_64 && append YASMFLAGS "-m amd64"
  1737. enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
  1738. case "$objformat" in
  1739. elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
  1740. macho64) append YASMFLAGS "-DPIC -DPREFIX" ;;
  1741. *) append YASMFLAGS "-DPREFIX" ;;
  1742. esac
  1743. disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
  1744. fi
  1745. # check for assembler specific support
  1746. enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
  1747. enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
  1748. enabled ppc && check_asm xform_asm '"lwzx 0, %y0" :: "Z"(*(int*)0)'
  1749. # check for SIMD availability
  1750. # AltiVec flags: The FSF version of GCC differs from the Apple version
  1751. if enabled altivec; then
  1752. check_cflags -maltivec -mabi=altivec &&
  1753. { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
  1754. check_cflags -faltivec
  1755. # check if our compiler supports Motorola AltiVec C API
  1756. check_cc <<EOF || disable altivec
  1757. $inc_altivec_h
  1758. int main(void) {
  1759. vector signed int v1, v2, v3;
  1760. v1 = vec_add(v2,v3);
  1761. return 0;
  1762. }
  1763. EOF
  1764. # check if our compiler supports braces for vector declarations
  1765. check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
  1766. $inc_altivec_h
  1767. int main (void) { (vector int) {1}; return 0; }
  1768. EOF
  1769. fi
  1770. # We have to check if pld is a nop and disable it.
  1771. enabled arm && check_asm pld '"pld [r0]"'
  1772. enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
  1773. enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
  1774. enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
  1775. enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
  1776. enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
  1777. enabled mmi && check_asm mmi '"lq $2, 0($2)"'
  1778. enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
  1779. enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
  1780. enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
  1781. # ---
  1782. # big/little-endian test
  1783. check_cc <<EOF || die "endian test failed"
  1784. unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
  1785. EOF
  1786. od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
  1787. # ---
  1788. # check availability of some header files
  1789. if check_func dlopen; then
  1790. ldl=
  1791. elif check_func dlopen -ldl; then
  1792. ldl=-ldl
  1793. fi
  1794. # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
  1795. check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
  1796. check_func fork
  1797. check_func gethrtime
  1798. check_func getrusage
  1799. check_func inet_aton $network_extralibs
  1800. check_func memalign
  1801. check_func mkstemp
  1802. check_func posix_memalign
  1803. check_func_headers io.h setmode
  1804. check_func_headers lzo/lzo1x.h lzo1x_999_compress
  1805. check_func_headers windows.h GetProcessTimes
  1806. check_func_headers windows.h VirtualAlloc
  1807. check_header conio.h
  1808. check_header dlfcn.h
  1809. check_header malloc.h
  1810. check_header poll.h
  1811. check_header sys/mman.h
  1812. check_header sys/resource.h
  1813. check_header sys/select.h
  1814. check_header termios.h
  1815. check_header vdpau/vdpau.h
  1816. check_header vdpau/vdpau_x11.h
  1817. check_header X11/extensions/XvMClib.h
  1818. if ! enabled_any memalign memalign_hack posix_memalign && enabled need_memalign ; then
  1819. die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
  1820. fi
  1821. disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
  1822. disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
  1823. # check for some common methods of building with pthread support
  1824. # do this before the optional library checks as some of them require pthreads
  1825. if enabled pthreads; then
  1826. if check_func pthread_create; then
  1827. :
  1828. elif check_func pthread_create -pthread; then
  1829. add_cflags -pthread
  1830. add_extralibs -pthread
  1831. elif check_func pthread_create -pthreads; then
  1832. add_cflags -pthreads
  1833. add_extralibs -pthreads
  1834. elif check_func pthread_create -lpthreadGC2; then
  1835. add_extralibs -lpthreadGC2
  1836. elif ! check_lib pthread.h pthread_create -lpthread; then
  1837. die "ERROR: can't find pthreads library"
  1838. fi
  1839. fi
  1840. for thread in $THREADS_LIST; do
  1841. if enabled $thread; then
  1842. test -n "$thread_type" &&
  1843. die "ERROR: Only one thread type must be selected." ||
  1844. thread_type="$thread"
  1845. fi
  1846. done
  1847. check_lib math.h sin -lm
  1848. check_lib va/va.h vaInitialize -lva
  1849. # test for C99 functions in math.h
  1850. for func in llrint lrint lrintf round roundf truncf; do
  1851. check_exec <<EOF && enable $func || disable $func
  1852. #include <math.h>
  1853. int main(void) { return ($func(3.999f) > 0)?0:1; }
  1854. EOF
  1855. done
  1856. # these are off by default, so fail if requested and not available
  1857. enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
  1858. enabled libamr_nb && require libamrnb amrnb/interf_dec.h Decoder_Interface_init -lamrnb -lm
  1859. enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
  1860. enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
  1861. require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
  1862. require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
  1863. enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
  1864. enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
  1865. enabled libgsm && require libgsm gsm.h gsm_create -lgsm
  1866. enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
  1867. enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
  1868. enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
  1869. enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
  1870. require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
  1871. enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
  1872. enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg
  1873. enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
  1874. enabled libx264 && require libx264 x264.h x264_encoder_open -lx264 -lm &&
  1875. { check_cpp_condition x264.h "X264_BUILD >= 65" ||
  1876. die "ERROR: libx264 version must be >= 0.65."; }
  1877. enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
  1878. enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
  1879. # libdc1394 check
  1880. if enabled libdc1394; then
  1881. { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
  1882. enable libdc1394_2; } ||
  1883. { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
  1884. enable libdc1394_1; } ||
  1885. die "ERROR: No version of libdc1394 found "
  1886. fi
  1887. _restrict=
  1888. for restrict_keyword in restrict __restrict__ __restrict; do
  1889. check_cc <<EOF && _restrict=$restrict_keyword && break
  1890. void foo(char * $restrict_keyword p);
  1891. EOF
  1892. done
  1893. ##########################################
  1894. # SDL check
  1895. disable sdl_too_old
  1896. disable sdl
  1897. SDL_CONFIG="${cross_prefix}sdl-config"
  1898. if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
  1899. sdl_cflags=$("${SDL_CONFIG}" --cflags)
  1900. temp_cflags $sdl_cflags
  1901. temp_extralibs $("${SDL_CONFIG}" --libs)
  1902. if check_lib2 SDL.h SDL_Init; then
  1903. _sdlversion=$("${SDL_CONFIG}" --version | sed 's/[^0-9]//g')
  1904. if test "$_sdlversion" -lt 121 ; then
  1905. enable sdl_too_old
  1906. else
  1907. enable sdl
  1908. check_cc $sdl_cflags <<EOF && enable sdl_video_size
  1909. #include <SDL.h>
  1910. int main(int argc, char **argv){
  1911. const SDL_VideoInfo *vi = SDL_GetVideoInfo();
  1912. int w = vi->current_w;
  1913. return 0;
  1914. }
  1915. EOF
  1916. fi
  1917. fi
  1918. restore_flags
  1919. fi
  1920. texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
  1921. ##########################################
  1922. # Network check
  1923. if enabled network; then
  1924. check_type "sys/types.h sys/socket.h" socklen_t
  1925. # Prefer arpa/inet.h over winsock2
  1926. if check_header arpa/inet.h ; then
  1927. check_func closesocket
  1928. elif check_header winsock2.h ; then
  1929. network_extralibs="-lws2_32"
  1930. check_type ws2tcpip.h socklen_t
  1931. check_func_headers winsock2.h closesocket
  1932. fi
  1933. fi
  1934. ##########################################
  1935. # IPv6 check
  1936. enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
  1937. #include <sys/types.h>
  1938. #include <sys/socket.h>
  1939. #include <netinet/in.h>
  1940. #include <netdb.h>
  1941. int main(void) {
  1942. struct sockaddr_storage saddr;
  1943. struct ipv6_mreq mreq6;
  1944. getaddrinfo(0,0,0,0);
  1945. getnameinfo(0,0,0,0,0,0,0);
  1946. IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
  1947. }
  1948. EOF
  1949. check_header linux/videodev.h
  1950. check_header linux/videodev2.h
  1951. check_header sys/videoio.h
  1952. check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
  1953. # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
  1954. { check_header dev/bktr/ioctl_meteor.h &&
  1955. check_header dev/bktr/ioctl_bt848.h; } ||
  1956. { check_header machine/ioctl_meteor.h &&
  1957. check_header machine/ioctl_bt848.h; } ||
  1958. { check_header dev/video/meteor/ioctl_meteor.h &&
  1959. check_header dev/video/bktr/ioctl_bt848.h; } ||
  1960. check_header dev/ic/bt8xx.h
  1961. check_header sys/soundcard.h
  1962. check_header soundcard.h
  1963. check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
  1964. check_lib2 jack/jack.h jack_client_open -ljack
  1965. # deal with the X11 frame grabber
  1966. enabled x11grab &&
  1967. check_header X11/Xlib.h &&
  1968. check_header X11/extensions/XShm.h &&
  1969. check_func XOpenDisplay -lX11 &&
  1970. check_func XShmCreateImage -lX11 -lXext
  1971. enabled debug && add_cflags -g"$debuglevel"
  1972. # add some useful compiler flags if supported
  1973. check_cflags -Wdeclaration-after-statement
  1974. check_cflags -Wall
  1975. check_cflags -Wno-switch
  1976. check_cflags -Wdisabled-optimization
  1977. check_cflags -Wpointer-arith
  1978. check_cflags -Wredundant-decls
  1979. check_cflags -Wno-pointer-sign
  1980. check_cflags -Wcast-qual
  1981. check_cflags -Wwrite-strings
  1982. check_cflags -Wtype-limits
  1983. check_cflags -Wundef
  1984. enabled extra_warnings && check_cflags -Winline
  1985. # add some linker flags
  1986. check_ldflags -Wl,--warn-common
  1987. check_ldflags -Wl,--as-needed
  1988. check_ldflags '-Wl,-rpath-link,\$(BUILD_ROOT)/libpostproc -Wl,-rpath-link,\$(BUILD_ROOT)/libswscale -Wl,-rpath-link,\$(BUILD_ROOT)/libavfilter -Wl,-rpath-link,\$(BUILD_ROOT)/libavdevice -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
  1989. check_ldflags -Wl,-Bsymbolic
  1990. if enabled small; then
  1991. check_cflags -Os # not all compilers support -Os
  1992. optimizations="small"
  1993. elif enabled optimizations; then
  1994. if enabled xlc; then
  1995. add_cflags -O5
  1996. add_ldflags -O5
  1997. elif enabled ccc; then
  1998. add_cflags -fast
  1999. else
  2000. add_cflags -O3
  2001. fi
  2002. fi
  2003. check_cflags -fno-math-errno
  2004. check_cflags -fno-signed-zeros
  2005. # add some flags for Intel C Compiler
  2006. if enabled icc; then
  2007. # Just warnings, no remarks
  2008. check_cflags -w1
  2009. # -wd: Disable following warnings
  2010. # 144, 167, 556: -Wno-pointer-sign
  2011. # 10006: ignoring unknown option -fno-signed-zeros
  2012. # 10156: ignoring option '-W'; no argument required
  2013. check_cflags -wd144,167,556,10006,10156
  2014. # 11030: Warning unknown option --as-needed
  2015. # 10156: ignoring option '-export'; no argument required
  2016. check_ldflags -wd10156,11030
  2017. # Allow to compile with optimizations
  2018. check_ldflags -march=$cpu
  2019. # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
  2020. enable ebp_available
  2021. elif enabled ccc; then
  2022. # disable some annoying warnings
  2023. add_cflags -msg_disable cvtu32to64
  2024. add_cflags -msg_disable embedcomment
  2025. add_cflags -msg_disable needconstext
  2026. add_cflags -msg_disable nomainieee
  2027. add_cflags -msg_disable ptrmismatch1
  2028. add_cflags -msg_disable unreachcode
  2029. fi
  2030. # PIC flags for shared library objects where they are needed
  2031. if enabled shared; then
  2032. # LIBOBJFLAGS may have already been set in the OS configuration
  2033. if test -z "$LIBOBJFLAGS" ; then
  2034. case "${subarch-$arch}" in
  2035. x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
  2036. esac
  2037. fi
  2038. fi
  2039. if enabled gprof; then
  2040. add_cflags -p
  2041. add_ldflags -p
  2042. fi
  2043. # Find out if the .align argument is a power of two or not.
  2044. check_asm asmalign_pot '".align 3"'
  2045. enabled_any $DECODER_LIST && enable decoders
  2046. enabled_any $ENCODER_LIST && enable encoders
  2047. enabled_any $HWACCEL_LIST && enable hwaccels
  2048. enabled_any $BSF_LIST && enable bsfs
  2049. enabled_any $DEMUXER_LIST && enable demuxers
  2050. enabled_any $MUXER_LIST && enable muxers
  2051. enabled_any $FILTER_LIST && enable filters
  2052. enabled_any $INDEV_LIST && enable demuxers
  2053. enabled_any $OUTDEV_LIST && enable muxers
  2054. enabled_any $PROTOCOL_LIST && enable protocols
  2055. enabled_any $THREADS_LIST && enable threads
  2056. check_deps $CONFIG_LIST \
  2057. $CONFIG_EXTRA \
  2058. $HAVE_LIST \
  2059. $DECODER_LIST \
  2060. $ENCODER_LIST \
  2061. $HWACCEL_LIST \
  2062. $PARSER_LIST \
  2063. $BSF_LIST \
  2064. $DEMUXER_LIST \
  2065. $MUXER_LIST \
  2066. $FILTER_LIST \
  2067. $INDEV_LIST \
  2068. $OUTDEV_LIST \
  2069. $PROTOCOL_LIST \
  2070. echo "install prefix $prefix"
  2071. echo "source path $source_path"
  2072. echo "C compiler $cc"
  2073. echo ".align is power-of-two $asmalign_pot"
  2074. echo "ARCH $arch ($cpu)"
  2075. if test "$build_suffix" != ""; then
  2076. echo "build suffix $build_suffix"
  2077. fi
  2078. if test "$extra_version" != ""; then
  2079. echo "version string suffix $extra_version"
  2080. fi
  2081. echo "big-endian ${bigendian-no}"
  2082. echo "runtime cpu detection ${runtime_cpudetect-no}"
  2083. if enabled x86; then
  2084. echo "yasm ${yasm-no}"
  2085. echo "MMX enabled ${mmx-no}"
  2086. echo "MMX2 enabled ${mmx2-no}"
  2087. echo "3DNow! enabled ${amd3dnow-no}"
  2088. echo "3DNow! extended enabled ${amd3dnowext-no}"
  2089. echo "SSE enabled ${sse-no}"
  2090. echo "SSSE3 enabled ${ssse3-no}"
  2091. echo "CMOV enabled ${cmov-no}"
  2092. echo "CMOV is fast ${fast_cmov-no}"
  2093. echo "EBX available ${ebx_available-no}"
  2094. echo "EBP available ${ebp_available-no}"
  2095. echo "10 operands supported ${ten_operands-no}"
  2096. fi
  2097. if enabled arm; then
  2098. echo "ARMv5TE enabled ${armv5te-no}"
  2099. echo "ARMv6 enabled ${armv6-no}"
  2100. echo "ARMv6T2 enabled ${armv6t2-no}"
  2101. echo "ARM VFP enabled ${armvfp-no}"
  2102. echo "IWMMXT enabled ${iwmmxt-no}"
  2103. echo "NEON enabled ${neon-no}"
  2104. fi
  2105. if enabled mips; then
  2106. echo "MMI enabled ${mmi-no}"
  2107. fi
  2108. if enabled ppc; then
  2109. echo "AltiVec enabled ${altivec-no}"
  2110. echo "PPC 4xx optimizations ${ppc4xx-no}"
  2111. echo "dcbzl available ${dcbzl-no}"
  2112. echo "performance report ${powerpc_perf-no}"
  2113. fi
  2114. if enabled sparc; then
  2115. echo "VIS enabled ${vis-no}"
  2116. fi
  2117. echo "gprof enabled ${gprof-no}"
  2118. echo "debug symbols ${debug-no}"
  2119. echo "strip symbols ${stripping-no}"
  2120. echo "optimizations ${optimizations-no}"
  2121. echo "static ${static-no}"
  2122. echo "shared ${shared-no}"
  2123. echo "postprocessing support ${postproc-no}"
  2124. echo "new filter support ${avfilter-no}"
  2125. echo "filters using lavformat ${avfilter_lavf-no}"
  2126. echo "network support ${network-no}"
  2127. if enabled network; then
  2128. echo "IPv6 support ${ipv6-no}"
  2129. fi
  2130. echo "threading support ${thread_type-no}"
  2131. echo "SDL support ${sdl-no}"
  2132. if enabled sdl_too_old; then
  2133. echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
  2134. fi
  2135. echo "Sun medialib support ${mlib-no}"
  2136. echo "AVISynth enabled ${avisynth-no}"
  2137. echo "libamr-nb support ${libamr_nb-no}"
  2138. echo "libamr-wb support ${libamr_wb-no}"
  2139. echo "libdc1394 support ${libdc1394-no}"
  2140. echo "libdirac enabled ${libdirac-no}"
  2141. echo "libfaac enabled ${libfaac-no}"
  2142. echo "libfaad enabled ${libfaad-no}"
  2143. echo "libfaad dlopened ${libfaadbin-no}"
  2144. echo "libgsm enabled ${libgsm-no}"
  2145. echo "libmp3lame enabled ${libmp3lame-no}"
  2146. echo "libnut enabled ${libnut-no}"
  2147. echo "libopenjpeg enabled ${libopenjpeg-no}"
  2148. echo "libschroedinger enabled ${libschroedinger-no}"
  2149. echo "libspeex enabled ${libspeex-no}"
  2150. echo "libtheora enabled ${libtheora-no}"
  2151. echo "libvorbis enabled ${libvorbis-no}"
  2152. echo "libx264 enabled ${libx264-no}"
  2153. echo "libxvid enabled ${libxvid-no}"
  2154. echo "zlib enabled ${zlib-no}"
  2155. echo "bzlib enabled ${bzlib-no}"
  2156. echo
  2157. for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
  2158. echo "Enabled ${type}s:"
  2159. eval list=\$$(toupper $type)_LIST
  2160. for part in $list; do
  2161. enabled $part && echo ${part%_*}
  2162. done | sort | pr -3 -t
  2163. echo
  2164. done
  2165. license="LGPL"
  2166. if enabled nonfree; then
  2167. license="unredistributable"
  2168. elif enabled gpl; then
  2169. license="GPL"
  2170. fi
  2171. echo "License: $license"
  2172. echo "Creating config.mak and config.h..."
  2173. echo "# Automatically generated by configure - do not modify!" > config.mak
  2174. echo "/* Automatically generated by configure - do not modify! */" > $TMPH
  2175. echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
  2176. echo "#define FFMPEG_CONFIG_H" >> $TMPH
  2177. echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
  2178. echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
  2179. echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
  2180. echo "prefix=$prefix" >> config.mak
  2181. echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
  2182. echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
  2183. echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
  2184. echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
  2185. echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
  2186. echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
  2187. echo "SRC_PATH=\"$source_path\"" >> config.mak
  2188. echo "SRC_PATH_BARE=$source_path" >> config.mak
  2189. echo "BUILD_ROOT=\"$PWD\"" >> config.mak
  2190. echo "CC=$cc" >> config.mak
  2191. echo "AS=$as" >> config.mak
  2192. echo "YASM=$yasmexe" >> config.mak
  2193. echo "AR=$ar" >> config.mak
  2194. echo "RANLIB=$ranlib" >> config.mak
  2195. echo "LN_S=$ln_s" >> config.mak
  2196. enabled stripping &&
  2197. echo "STRIP=$strip" >> config.mak ||
  2198. echo "STRIP=echo ignoring strip" >> config.mak
  2199. echo "OPTFLAGS=$CFLAGS" >> config.mak
  2200. echo "LDFLAGS=$LDFLAGS" >> config.mak
  2201. echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
  2202. echo "SHFLAGS=$SHFLAGS" >> config.mak
  2203. echo "YASMFLAGS=$YASMFLAGS" >> config.mak
  2204. echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
  2205. echo "BUILD_STATIC=$static" >> config.mak
  2206. echo "BUILDSUF=$build_suffix" >> config.mak
  2207. echo "FULLNAME=$FULLNAME" >> config.mak
  2208. echo "LIBPREF=$LIBPREF" >> config.mak
  2209. echo "LIBSUF=$LIBSUF" >> config.mak
  2210. echo "LIBNAME=$LIBNAME" >> config.mak
  2211. echo "SLIBPREF=$SLIBPREF" >> config.mak
  2212. echo "SLIBSUF=$SLIBSUF" >> config.mak
  2213. echo "EXESUF=$EXESUF" >> config.mak
  2214. echo "EXTRA_VERSION=$extra_version" >> config.mak
  2215. echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
  2216. echo "HOSTCC=$host_cc" >> config.mak
  2217. echo "HOSTCFLAGS=$host_cflags" >> config.mak
  2218. echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
  2219. echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
  2220. echo "HOSTLIBS=$host_libs" >> config.mak
  2221. echo "TARGET_EXEC=$target_exec" >> config.mak
  2222. echo "TARGET_PATH=$target_path" >> config.mak
  2223. if enabled bigendian; then
  2224. echo "WORDS_BIGENDIAN=yes" >> config.mak
  2225. echo "#define WORDS_BIGENDIAN 1" >> $TMPH
  2226. fi
  2227. if enabled sdl; then
  2228. echo "SDL_LIBS=$("${SDL_CONFIG}" --libs)" >> config.mak
  2229. echo "SDL_CFLAGS=$("${SDL_CONFIG}" --cflags)" >> config.mak
  2230. fi
  2231. if enabled texi2html; then
  2232. echo "BUILD_DOC=yes" >> config.mak
  2233. fi
  2234. get_version(){
  2235. name=$1
  2236. file=$source_path/$2
  2237. eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
  2238. eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
  2239. lcname=$(tolower $name)
  2240. eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
  2241. eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
  2242. }
  2243. get_version LIBSWSCALE libswscale/swscale.h
  2244. get_version LIBPOSTPROC libpostproc/postprocess.h
  2245. get_version LIBAVCODEC libavcodec/avcodec.h
  2246. get_version LIBAVDEVICE libavdevice/avdevice.h
  2247. get_version LIBAVFORMAT libavformat/avformat.h
  2248. get_version LIBAVUTIL libavutil/avutil.h
  2249. get_version LIBAVFILTER libavfilter/avfilter.h
  2250. if enabled shared; then
  2251. echo "BUILD_SHARED=yes" >> config.mak
  2252. echo "PIC=-fPIC -DPIC" >> config.mak
  2253. echo "LIBTARGET=${LIBTARGET}" >> config.mak
  2254. echo "SLIBNAME=${SLIBNAME}" >> config.mak
  2255. echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
  2256. echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
  2257. echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
  2258. echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
  2259. echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
  2260. echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
  2261. fi
  2262. echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
  2263. echo "EXTRALIBS=$extralibs" >> config.mak
  2264. echo "ARCH=$arch" >> config.mak
  2265. print_config ARCH_ $TMPH config.mak $ARCH_LIST
  2266. print_config HAVE_ $TMPH config.mak $HAVE_LIST
  2267. print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
  2268. $CONFIG_EXTRA \
  2269. $DECODER_LIST \
  2270. $ENCODER_LIST \
  2271. $HWACCEL_LIST \
  2272. $PARSER_LIST \
  2273. $BSF_LIST \
  2274. $DEMUXER_LIST \
  2275. $MUXER_LIST \
  2276. $FILTER_LIST \
  2277. $PROTOCOL_LIST \
  2278. $INDEV_LIST \
  2279. $OUTDEV_LIST \
  2280. echo "#define restrict $_restrict" >> $TMPH
  2281. if enabled small; then
  2282. echo "#define av_always_inline" >> $TMPH
  2283. fi
  2284. # Apparently it's not possible to portably echo a backslash.
  2285. enabled asmalign_pot &&
  2286. printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
  2287. printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
  2288. echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
  2289. echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
  2290. # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
  2291. cmp -s $TMPH config.h &&
  2292. echo "config.h is unchanged" ||
  2293. mv -f $TMPH config.h
  2294. # build tree in object directory if source path is different from current one
  2295. if enabled source_path_used; then
  2296. DIRS="\
  2297. doc \
  2298. libavcodec \
  2299. libavcodec/alpha \
  2300. libavcodec/arm \
  2301. libavcodec/bfin \
  2302. libavcodec/mlib \
  2303. libavcodec/ppc \
  2304. libavcodec/sh4 \
  2305. libavcodec/sparc \
  2306. libavcodec/x86 \
  2307. libavdevice \
  2308. libavfilter \
  2309. libavformat \
  2310. libavutil \
  2311. libpostproc \
  2312. libswscale \
  2313. libswscale/bfin \
  2314. libswscale/mlib \
  2315. libswscale/ppc \
  2316. libswscale/sparc \
  2317. libswscale/x86 \
  2318. tests \
  2319. tools \
  2320. "
  2321. FILES="\
  2322. Makefile \
  2323. common.mak \
  2324. subdir.mak \
  2325. doc/texi2pod.pl \
  2326. libavcodec/Makefile \
  2327. libavdevice/Makefile \
  2328. libavfilter/Makefile \
  2329. libavformat/Makefile \
  2330. libavutil/Makefile \
  2331. libpostproc/Makefile \
  2332. libswscale/Makefile \
  2333. "
  2334. for dir in $DIRS ; do
  2335. mkdir -p $dir
  2336. done
  2337. for f in $FILES ; do
  2338. $ln_s "$source_path/$f" $f
  2339. done
  2340. fi
  2341. # build pkg-config files
  2342. pkgconfig_generate(){
  2343. name=$1
  2344. shortname=${name#lib}${build_suffix}
  2345. comment=$2
  2346. version=$3
  2347. libs=$4
  2348. requires=$5
  2349. cat <<EOF > $name/$name.pc
  2350. prefix=$prefix
  2351. exec_prefix=\${prefix}
  2352. libdir=$libdir
  2353. includedir=$incdir
  2354. Name: $name
  2355. Description: $comment
  2356. Version: $version
  2357. Requires: $(disabled shared && echo $requires)
  2358. Requires.private: $(enabled shared && echo $requires)
  2359. Conflicts:
  2360. Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
  2361. Libs.private: $(enabled shared && echo $libs)
  2362. Cflags: -I\${includedir}
  2363. EOF
  2364. cat <<EOF > $name/$name-uninstalled.pc
  2365. prefix=
  2366. exec_prefix=
  2367. libdir=\${pcfiledir}
  2368. includedir=${source_path}
  2369. Name: $name
  2370. Description: $comment
  2371. Version: $version
  2372. Requires: $requires
  2373. Conflicts:
  2374. Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
  2375. Cflags: -I\${includedir}
  2376. EOF
  2377. }
  2378. pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
  2379. pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
  2380. pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
  2381. pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
  2382. enabled avfilter &&
  2383. pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
  2384. enabled postproc &&
  2385. pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
  2386. pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"