flashsv: check for keyframe before using differential coding
[ffmpeg.git] / configure
index 75468d9..eb6986a 100755 (executable)
--- a/configure
+++ b/configure
@@ -101,12 +101,15 @@ Configuration options:
   --enable-gray            enable full grayscale support (slower color)
   --disable-swscale-alpha  disable alpha channel support in swscale
 
-Component options:
-  --disable-doc            do not build documentation
+Program options:
+  --disable-programs       do not build command line programs
   --disable-avconv         disable avconv build
   --disable-avplay         disable avplay build
   --disable-avprobe        disable avprobe build
   --disable-avserver       disable avserver build
+
+Component options:
+  --disable-doc            do not build documentation
   --disable-avdevice       disable libavdevice build
   --disable-avcodec        disable libavcodec build
   --disable-avformat       disable libavformat build
@@ -120,6 +123,7 @@ Component options:
   --disable-dct            disable DCT code
   --disable-dwt            disable DWT code
   --disable-lsp            disable LSP code
+  --disable-lzo            disable LZO decoder code
   --disable-mdct           disable MDCT code
   --disable-rdft           disable RDFT code
   --disable-fft            disable FFT code
@@ -565,39 +569,36 @@ check_deps(){
     done
 }
 
-print_config_h(){
-    enabled $1 && v=1 || v=0
-    echo "#define $2 $v"
-}
-
-print_config_mak(){
-    enabled $1 && v= || v=!
-    echo "$v$2=yes"
-}
-
-print_config_asm(){
-    enabled $1 && v=1 || v=0
-    echo "%define $2 $v"
-}
-
 print_config(){
     pfx=$1
     files=$2
     shift 2
-    for cfg; do
-        ucname="$(toupper $cfg)"
-        for f in $files; do
-            "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
-        done
-    done
+    map 'eval echo "$v \${$v:-no}"' "$@" |
+    awk "BEGIN { split(\"$files\", files) }
+        {
+            c = \"$pfx\" toupper(\$1);
+            v = \$2;
+            sub(/yes/, 1, v);
+            sub(/no/,  0, v);
+            for (f in files) {
+                file = files[f];
+                if (file ~ /\\.h\$/) {
+                    printf(\"#define %s %d\\n\", c, v) >>file;
+                } else if (file ~ /\\.asm\$/) {
+                    printf(\"%%define %s %d\\n\", c, v) >>file;
+                } else if (file ~ /\\.mak\$/) {
+                    n = -v ? \"\" : \"!\";
+                    printf(\"%s%s=yes\\n\", n, c) >>file;
+                }
+            }
+        }"
 }
 
 print_enabled(){
-    test x"$1" = x-n && end=" " && shift || end="\n"
     suf=$1
     shift
     for v; do
-        enabled $v && printf "%s$end" ${v%$suf};
+        enabled $v && printf "%s\n" ${v%$suf};
     done
 }
 
@@ -784,11 +785,13 @@ EOF
 check_mathfunc(){
     log check_mathfunc "$@"
     func=$1
-    shift
+    narg=$2
+    shift 2
+    test $narg = 2 && args="f, g" || args="f"
     disable $func
     check_ld "$@" <<EOF && enable $func
 #include <math.h>
-float foo(float f) { return $func(f); }
+float foo(float f, float g) { return $func($args); }
 int main(void){ return 0; }
 EOF
 }
@@ -956,7 +959,7 @@ apply(){
 cp_if_changed(){
     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
     mkdir -p "$(dirname $2)"
-    cp -f "$1" "$2"
+    $cp_f "$1" "$2"
 }
 
 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
@@ -1029,6 +1032,7 @@ CONFIG_LIST="
     libxavs
     libxvid
     lsp
+    lzo
     mdct
     memalign_hack
     network
@@ -1060,6 +1064,7 @@ THREADS_LIST='
 '
 
 ARCH_LIST='
+    aarch64
     alpha
     arm
     avr32
@@ -1124,6 +1129,33 @@ HAVE_LIST_PUB='
     fast_unaligned
 '
 
+MATH_FUNCS="
+    atanf
+    atan2f
+    cbrtf
+    cosf
+    exp2
+    exp2f
+    expf
+    isinf
+    isnan
+    ldexpf
+    llrint
+    llrintf
+    log2
+    log2f
+    log10f
+    lrint
+    lrintf
+    powf
+    rint
+    round
+    roundf
+    sinf
+    trunc
+    truncf
+"
+
 HAVE_LIST="
     $ARCH_EXT_LIST
     $(add_suffix _external $ARCH_EXT_LIST)
@@ -1131,6 +1163,7 @@ HAVE_LIST="
     $HAVE_LIST_CMDLINE
     $HAVE_LIST_PUB
     $THREADS_LIST
+    $MATH_FUNCS
     aligned_malloc
     aligned_stack
     alsa_asoundlib_h
@@ -1140,7 +1173,6 @@ HAVE_LIST="
     asm_mod_y
     attribute_may_alias
     attribute_packed
-    cbrtf
     closesocket
     cmov
     cpunop
@@ -1158,8 +1190,6 @@ HAVE_LIST="
     dxva_h
     ebp_available
     ebx_available
-    exp2
-    exp2f
     fast_64bit
     fast_clz
     fast_cmov
@@ -1173,28 +1203,21 @@ HAVE_LIST="
     GetProcessTimes
     GetSystemTimeAsFileTime
     getrusage
+    getservbyport
     gettimeofday
     gnu_as
     ibm_asm
     inet_aton
     io_h
     isatty
-    isinf
-    isnan
     jack_port_get_latency_range
     ldbrx
     libdc1394_1
     libdc1394_2
-    llrint
-    llrintf
     local_aligned_16
     local_aligned_8
     localtime_r
-    log2
-    log2f
     loongson
-    lrint
-    lrintf
     machine_ioctl_bt848_h
     machine_ioctl_meteor_h
     malloc_h
@@ -1209,9 +1232,6 @@ HAVE_LIST="
     poll_h
     posix_memalign
     rdtsc
-    rint
-    round
-    roundf
     sched_getaffinity
     sdl
     sdl_video_size
@@ -1246,8 +1266,6 @@ HAVE_LIST="
     sys_time_h
     sys_videoio_h
     threads
-    trunc
-    truncf
     unistd_h
     usleep
     vfp_args
@@ -1423,7 +1441,9 @@ atrac3_decoder_select="mdct"
 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
 binkaudio_rdft_decoder_select="mdct rdft sinewin"
 cavs_decoder_select="golomb mpegvideo"
+comfortnoise_encoder_select="lpc"
 cook_decoder_select="mdct sinewin"
+cscd_decoder_select="lzo"
 cscd_decoder_suggest="zlib"
 dca_decoder_select="mdct"
 dnxhd_encoder_select="aandcttables mpegvideoenc"
@@ -1503,6 +1523,7 @@ msmpeg4v3_encoder_select="h263_encoder"
 mss2_decoder_select="vc1_decoder"
 nellymoser_decoder_select="mdct sinewin"
 nellymoser_encoder_select="mdct sinewin"
+nuv_decoder_select="lzo"
 png_decoder_select="zlib"
 png_encoder_select="zlib"
 qcelp_decoder_select="lsp"
@@ -1615,7 +1636,7 @@ eac3_demuxer_select="ac3_parser"
 flac_demuxer_select="flac_parser"
 ipod_muxer_select="mov_muxer"
 matroska_audio_muxer_select="matroska_muxer"
-matroska_demuxer_suggest="zlib bzlib"
+matroska_demuxer_suggest="bzlib lzo zlib"
 mov_demuxer_suggest="zlib"
 mp3_demuxer_select="mpegaudio_parser"
 mp4_muxer_select="mov_muxer"
@@ -1723,49 +1744,6 @@ avserver_extralibs='$ldl'
 
 doc_deps="texi2html"
 
-# tests
-
-mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
-seek_lavf_mxf_d10_test_deps="mxf_d10_test"
-
-test_deps(){
-    suf1=$1
-    suf2=$2
-    shift 2
-    for v; do
-        dep=${v%=*}
-        tests=${v#*=}
-        for name in ${tests}; do
-            append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
-        done
-    done
-}
-
-test_deps _muxer _demuxer                                               \
-    aiff                                                                \
-    pcm_alaw=alaw                                                       \
-    asf                                                                 \
-    au                                                                  \
-    avi                                                                 \
-    dv=dv_fmt                                                           \
-    ffm                                                                 \
-    flv=flv_fmt                                                         \
-    gxf                                                                 \
-    matroska=mkv                                                        \
-    mmf                                                                 \
-    mov                                                                 \
-    pcm_mulaw=mulaw                                                     \
-    mxf="mxf mxf_d10"                                                   \
-    nut                                                                 \
-    ogg                                                                 \
-    rawvideo=pixfmt                                                     \
-    rm                                                                  \
-    swf                                                                 \
-    mpegts=ts                                                           \
-    voc                                                                 \
-    wav                                                                 \
-    yuv4mpegpipe=yuv4mpeg                                               \
-
 # default parameters
 
 logfile="config.log"
@@ -1783,6 +1761,7 @@ shlibdir_default="$libdir_default"
 ar_default="ar"
 cc_default="gcc"
 host_cc_default="gcc"
+cp_f="cp -f"
 ln_s="ln -sf"
 nm_default="nm -g"
 objformat="elf"
@@ -1915,23 +1894,15 @@ ALL_COMPONENTS="
     $PROTOCOL_LIST
 "
 
-find_tests(){
-    map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
-}
-
-LAVF_TESTS=$(find_tests lavf)
-LAVFI_TESTS=$(find_tests lavfi)
-SEEK_TESTS=$(find_tests seek seek_)
-
-ALL_TESTS="$LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
-
 for n in $COMPONENT_LIST; do
     v=$(toupper ${n%s})_LIST
     eval enable \$$v
     eval ${n}_if_any="\$$v"
 done
 
-enable $ARCH_EXT_LIST $ALL_TESTS
+disable snow_decoder snow_encoder
+
+enable $ARCH_EXT_LIST
 
 die_unknown(){
     echo "Unknown option \"$1\"."
@@ -1978,6 +1949,9 @@ for opt do
     ;;
     --enable-debug=*) debuglevel="$optval"
     ;;
+    --disable-programs)
+    disable $PROGRAM_LIST
+    ;;
     --disable-everything)
     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
     ;;
@@ -2042,8 +2016,6 @@ if enabled cross_compile; then
         die "Must specify target arch and OS when cross-compiling"
 fi
 
-set_default arch target_os
-
 ar_default="${cross_prefix}${ar_default}"
 cc_default="${cross_prefix}${cc_default}"
 nm_default="${cross_prefix}${nm_default}"
@@ -2068,13 +2040,14 @@ case "$toolchain" in
         ld_default="c99wrap link"
         nm_default="dumpbin -symbols"
         ar_default="lib"
+        target_os_default="win32"
     ;;
     ?*)
         die "Unknown toolchain $toolchain"
     ;;
 esac
 
-set_default cc pkg_config sysinclude
+set_default arch cc pkg_config sysinclude target_os
 enabled cross_compile || host_cc_default=$cc
 set_default host_cc
 
@@ -2085,7 +2058,7 @@ fi
 
 exesuf() {
     case $1 in
-        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
+        mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
     esac
 }
 
@@ -2141,6 +2114,24 @@ EOF
     die "Sanity test failed."
 fi
 
+ccc_flags(){
+    for flag; do
+        case $flag in
+            -std=c99)           echo -c99                       ;;
+            -mcpu=*)            echo -arch ${flag#*=}           ;;
+            -mieee)             echo -ieee                      ;;
+            -O*|-fast)          echo $flag                      ;;
+            -fno-math-errno)    echo -assume nomath_errno       ;;
+            -g)                 echo -g3                        ;;
+            -Wall)              echo -msg_enable level2         ;;
+            -Wno-pointer-sign)  echo -msg_disable ptrmismatch1  ;;
+            -Wl,*)              echo $flag                      ;;
+            -f*|-W*)                                            ;;
+            *)                  echo $flag                      ;;
+        esac
+   done
+}
+
 msvc_flags(){
     for flag; do
         case $flag in
@@ -2149,7 +2140,7 @@ msvc_flags(){
             -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
-                                       -wd4996 ;;
+                                       -wd4996 -wd4273 ;;
             -std=c99)             ;;
             -fno-math-errno)      ;;
             -fno-common)          ;;
@@ -2191,6 +2182,8 @@ suncc_flags(){
                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
                     *-sse3)             echo -xarch=sse3                 ;;
                     core2)              echo -xarch=ssse3 -xchip=core2   ;;
+                    corei7)           echo -xarch=sse4_2 -xchip=nehalem  ;;
+                    corei7-avx)       echo -xarch=avx -xchip=sandybridge ;;
                     amdfam10|barcelona|bdver*) echo -xarch=sse4_1        ;;
                     athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
                     k8|opteron|athlon64|athlon-fx)
@@ -2281,10 +2274,9 @@ probe_cc(){
         _type=ccc
         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
         _DEPFLAGS='-M'
-        debuglevel=3
-        _ldflags='-Wl,-z,now' # calls to libots crash without this
         _cflags_speed='-fast'
         _cflags_size='-O1'
+        _flags_filter=ccc_flags
     elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
         test -d "$sysroot" || die "No valid sysroot specified."
         _type=armcc
@@ -2488,39 +2480,29 @@ fi
 
 # Deal with common $arch aliases
 case "$arch" in
+    aarch64|arm64)
+        arch="aarch64"
+    ;;
     arm*)
         arch="arm"
     ;;
-    mips|mipsel|IP*)
+    mips*|IP*)
         arch="mips"
     ;;
-    mips64*)
-        arch="mips"
-        subarch="mips64"
-    ;;
-    parisc|hppa)
-        arch="parisc"
-    ;;
-    parisc64|hppa64)
+    parisc*|hppa*)
         arch="parisc"
-        subarch="parisc64"
     ;;
-    "Power Macintosh"|ppc|powerpc)
+    "Power Macintosh"|ppc*|powerpc*)
         arch="ppc"
     ;;
-    ppc64|powerpc64)
-        arch="ppc"
-        subarch="ppc64"
-    ;;
     s390|s390x)
         arch="s390"
     ;;
     sh4|sh)
         arch="sh4"
     ;;
-    sun4u|sparc64)
+    sun4u|sparc*)
         arch="sparc"
-        subarch="sparc64"
     ;;
     tilegx|tile-gx)
         arch="tilegx"
@@ -2536,6 +2518,71 @@ enable $arch
 # Add processor-specific flags
 if test "$cpu" = generic; then
     : do nothing
+
+elif enabled aarch64; then
+
+    case $cpu in
+        armv*)
+            cpuflags="-march=$cpu"
+        ;;
+        *)
+            cpuflags="-mcpu=$cpu"
+        ;;
+    esac
+
+elif enabled alpha; then
+
+    cpuflags="-mcpu=$cpu"
+
+elif enabled arm; then
+
+    case $cpu in
+        armv*)
+            cpuflags="-march=$cpu"
+            subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
+        ;;
+        *)
+            cpuflags="-mcpu=$cpu"
+            case $cpu in
+                cortex-a*)                               subarch=armv7a  ;;
+                cortex-r*)                               subarch=armv7r  ;;
+                cortex-m*)                 enable thumb; subarch=armv7m  ;;
+                arm11*)                                  subarch=armv6   ;;
+                arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
+                armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
+            esac
+        ;;
+    esac
+
+elif enabled avr32; then
+
+    case $cpu in
+        ap7[02]0[0-2])
+            subarch="avr32_ap"
+            cpuflags="-mpart=$cpu"
+        ;;
+        ap)
+            subarch="avr32_ap"
+            cpuflags="-march=$cpu"
+        ;;
+        uc3[ab]*)
+            subarch="avr32_uc"
+            cpuflags="-mcpu=$cpu"
+        ;;
+        uc)
+            subarch="avr32_uc"
+            cpuflags="-march=$cpu"
+        ;;
+    esac
+
+elif enabled bfin; then
+
+    cpuflags="-mcpu=$cpu"
+
+elif enabled mips; then
+
+    cpuflags="-march=$cpu"
+
 elif enabled ppc; then
 
     case $(tolower $cpu) in
@@ -2552,20 +2599,20 @@ elif enabled ppc; then
             disable altivec
         ;;
         g3|75*|ppc75*|powerpc75*)
-            cpuflags="-mcpu=750 -mpowerpc-gfxopt"
+            cpuflags="-mcpu=750"
             disable altivec
         ;;
         g4|745*|ppc745*|powerpc745*)
-            cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
+            cpuflags="-mcpu=7450"
         ;;
         74*|ppc74*|powerpc74*)
-            cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
+            cpuflags="-mcpu=7400"
         ;;
         g5|970|ppc970|powerpc970)
-            cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
+            cpuflags="-mcpu=970"
         ;;
         power[3-7]*)
-            cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
+            cpuflags="-mcpu=$cpu"
         ;;
         cell)
             cpuflags="-mcpu=cell"
@@ -2585,6 +2632,18 @@ elif enabled ppc; then
         ;;
     esac
 
+elif enabled sparc; then
+
+    case $cpu in
+        cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
+            cpuflags="-mcpu=$cpu"
+            disable vis
+        ;;
+        ultrasparc*|niagara[234])
+            cpuflags="-mcpu=$cpu"
+        ;;
+    esac
+
 elif enabled x86; then
 
     case $cpu in
@@ -2598,7 +2657,7 @@ elif enabled x86; then
             disable cmov
         ;;
         # targets that do support conditional mov (cmov)
-        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom|bdver*)
+        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
             cpuflags="-march=$cpu"
             enable cmov
             enable fast_cmov
@@ -2611,71 +2670,6 @@ elif enabled x86; then
         ;;
     esac
 
-elif enabled sparc; then
-
-    case $cpu in
-        niagara)
-            cpuflags="-mcpu=$cpu"
-            disable vis
-        ;;
-        sparc64)
-            cpuflags="-mcpu=v9"
-        ;;
-    esac
-
-elif enabled arm; then
-
-    case $cpu in
-        armv*)
-            cpuflags="-march=$cpu"
-            subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
-        ;;
-        *)
-            cpuflags="-mcpu=$cpu"
-            case $cpu in
-                cortex-a*)                               subarch=armv7a  ;;
-                cortex-r*)                               subarch=armv7r  ;;
-                cortex-m*)                 enable thumb; subarch=armv7m  ;;
-                arm11*)                                  subarch=armv6   ;;
-                arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
-                armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
-            esac
-        ;;
-    esac
-
-elif enabled alpha; then
-
-    enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
-
-elif enabled bfin; then
-
-    cpuflags="-mcpu=$cpu"
-
-elif enabled mips; then
-
-    cpuflags="-march=$cpu"
-
-elif enabled avr32; then
-
-    case $cpu in
-        ap7[02]0[0-2])
-            subarch="avr32_ap"
-            cpuflags="-mpart=$cpu"
-        ;;
-        ap)
-            subarch="avr32_ap"
-            cpuflags="-march=$cpu"
-        ;;
-        uc3[ab]*)
-            subarch="avr32_uc"
-            cpuflags="-mcpu=$cpu"
-        ;;
-        uc)
-            subarch="avr32_uc"
-            cpuflags="-march=$cpu"
-        ;;
-    esac
-
 fi
 
 add_cflags $cpuflags
@@ -2706,13 +2700,35 @@ EOF
 check_host_cflags -std=c99
 check_host_cflags -Wall
 
+check_64bit(){
+    arch32=$1
+    arch64=$2
+    expr=$3
+    check_code cc "" "int test[2*($expr) - 1]" &&
+        subarch=$arch64 || subarch=$arch32
+}
+
 case "$arch" in
-    alpha|ia64|mips|parisc|sparc)
+    alpha|ia64)
+        spic=$shared
+    ;;
+    mips)
+        check_64bit mips mips64 '_MIPS_SIM > 1'
+        spic=$shared
+    ;;
+    parisc)
+        check_64bit parisc parisc64 'sizeof(void *) > 4'
+        spic=$shared
+    ;;
+    ppc)
+        check_64bit ppc ppc64 'sizeof(void *) > 4'
+    ;;
+    sparc)
+        check_64bit sparc sparc64 'sizeof(void *) > 4'
         spic=$shared
     ;;
     x86)
-        subarch="x86_32"
-        check_code cc "" "int test[(int)sizeof(char*) - 7]" && subarch="x86_64"
+        check_64bit x86_32 x86_64 'sizeof(void *) > 4'
         if test "$subarch" = "x86_64"; then
             spic=$shared
         fi
@@ -2814,6 +2830,30 @@ case $target_os in
         enable dos_paths
         add_cppflags -U__STRICT_ANSI__
         ;;
+    win32|win64)
+        if enabled shared; then
+            # Link to the import library instead of the normal static library
+            # for shared libs.
+            LD_LIB='%.lib'
+            # Cannot build shared and static libraries at the same time with
+            # MSVC.
+            disable static
+        fi
+        shlibdir_default="$bindir_default"
+        SLIBPREF=""
+        SLIBSUF=".dll"
+        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
+        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
+        SLIB_CREATE_DEF_CMD='makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
+        SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
+        SLIB_INSTALL_LINKS=
+        SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
+        SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
+        SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
+        objformat="win32"
+        ranlib=:
+        enable dos_paths
+        ;;
     cygwin*)
         target_os=cygwin
         shlibdir_default="$bindir_default"
@@ -2827,7 +2867,6 @@ case $target_os in
         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
         objformat="win32"
         enable dos_paths
-        add_cppflags -U__STRICT_ANSI__
         ;;
     *-dos|freedos|opendos)
         network_extralibs="-lsocket"
@@ -2836,7 +2875,6 @@ case $target_os in
         add_cppflags -U__STRICT_ANSI__
         ;;
     linux)
-        add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
         enable dv1394
         ;;
     irix*)
@@ -2867,10 +2905,9 @@ case $target_os in
         enable dos_paths
         ;;
     gnu/kfreebsd)
-        add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
+        add_cppflags -D_BSD_SOURCE
         ;;
     gnu)
-        add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
         ;;
     qnx)
         add_cppflags -D_QNX_SOURCE
@@ -2894,6 +2931,19 @@ case $target_os in
         ;;
     minix)
         ;;
+    plan9)
+        add_cppflags -D_C99_SNPRINTF_EXTENSION  \
+                     -D_REENTRANT_SOURCE        \
+                     -D_RESEARCH_SOURCE         \
+                     -DFD_SETSIZE=96            \
+                     -DHAVE_SOCK_OPTS
+        add_compat strtod.o strtod=avpriv_strtod
+        network_extralibs='-lbsd'
+        exeobjs=compat/plan9/main.o
+        disable avserver
+        ln_s='ln -s -f'
+        cp_f='cp'
+        ;;
     none)
         ;;
     *)
@@ -2905,8 +2955,10 @@ esac
 
 if check_cpp_condition features.h "defined __UCLIBC__"; then
     libc_type=uclibc
+    add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
 elif check_cpp_condition features.h "defined __GLIBC__"; then
     libc_type=glibc
+    add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
 elif check_header _mingw.h; then
     libc_type=mingw
     check_cpp_condition _mingw.h \
@@ -2915,6 +2967,7 @@ elif check_header _mingw.h; then
         die "ERROR: MinGW runtime version must be >= 3.15."
 elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
     libc_type=newlib
+    add_cppflags -U__STRICT_ANSI__
 elif check_func_headers stdlib.h _get_doserrno; then
     libc_type=msvcrt
     add_compat strtod.o strtod=avpriv_strtod
@@ -2937,6 +2990,10 @@ if enabled_all tms470 glibc; then
     add_cflags   -pds=48    # incompatible redefinition of macro
 fi
 
+if enabled_all ccc glibc; then
+    add_ldflags -Wl,-z,now  # calls to libots crash without this
+fi
+
 esc(){
     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
 }
@@ -3059,6 +3116,14 @@ elif enabled mips; then
 
     check_inline_asm loongson '"dmult.g $1, $2, $3"'
 
+elif enabled parisc; then
+
+    if enabled gcc; then
+        case $($cc -dumpversion) in
+            4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
+        esac
+    fi
+
 elif enabled ppc; then
 
     enable local_aligned_8 local_aligned_16
@@ -3091,9 +3156,7 @@ EOF
 
 elif enabled sparc; then
 
-    enabled vis &&
-        check_inline_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
-            add_cflags -mcpu=ultrasparc -mtune=ultrasparc
+    enabled vis && check_inline_asm vis '"pdist %f0, %f0, %f0"'
 
 elif enabled x86; then
 
@@ -3141,9 +3204,8 @@ EOF
             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
         esac
 
-        check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
+        check_yasm "vextractf128 xmm0, ymm0, 0" && enable yasm ||
             die "yasm not found, use --disable-yasm for a crippled build"
-        check_yasm "vextractf128 xmm0, ymm0, 0"      || disable avx_external
         check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
         check_yasm "CPU amdnop" && enable cpunop
     fi
@@ -3182,6 +3244,7 @@ if enabled network; then
     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
     check_type netinet/sctp.h "struct sctp_event_subscribe"
     check_func getaddrinfo $network_extralibs
+    check_func getservbyport $network_extralibs
     # Prefer arpa/inet.h over winsock2
     if check_header arpa/inet.h ; then
         check_func closesocket
@@ -3298,22 +3361,13 @@ done
 check_lib math.h sin -lm && LIBM="-lm"
 enabled vaapi && require vaapi va/va.h vaInitialize -lva
 
-check_mathfunc cbrtf
-check_mathfunc exp2
-check_mathfunc exp2f
-check_mathfunc isinf
-check_mathfunc isnan
-check_mathfunc llrint
-check_mathfunc llrintf
-check_mathfunc log2
-check_mathfunc log2f
-check_mathfunc lrint
-check_mathfunc lrintf
-check_mathfunc rint
-check_mathfunc round
-check_mathfunc roundf
-check_mathfunc trunc
-check_mathfunc truncf
+atan2f_args=2
+ldexpf_args=2
+powf_args=2
+
+for func in $MATH_FUNCS; do
+    eval check_mathfunc $func \${${func}_args:-1}
+done
 
 # these are off by default, so fail if requested and not available
 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
@@ -3341,8 +3395,8 @@ enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lv
 enabled libvpx     && {
     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
                                 die "ERROR: libvpx decoder version must be >=0.9.1"; }
-    enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
-                                die "ERROR: libvpx encoder version must be >=0.9.1"; } }
+    enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_CQ" -lvpx ||
+                                die "ERROR: libvpx encoder version must be >=0.9.6"; } }
 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
                         die "ERROR: libx264 version must be >= 0.118."; }
@@ -3407,7 +3461,7 @@ enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack &&
 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
 
 enabled libcdio &&
-    check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
+    check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio
 
 enabled x11grab                                           &&
 require X11 X11/Xlib.h XOpenDisplay -lX11                 &&
@@ -3525,12 +3579,10 @@ if enabled icc; then
     fi
 elif enabled ccc; then
     # disable some annoying warnings
-    add_cflags -msg_disable cvtu32to64
-    add_cflags -msg_disable embedcomment
-    add_cflags -msg_disable needconstext
-    add_cflags -msg_disable nomainieee
-    add_cflags -msg_disable ptrmismatch1
-    add_cflags -msg_disable unreachcode
+    add_cflags -msg_disable bitnotint
+    add_cflags -msg_disable mixfuncvoid
+    add_cflags -msg_disable nonstandcast
+    add_cflags -msg_disable unsupieee
 elif enabled gcc; then
     check_optflags -fno-tree-vectorize
     check_cflags -Werror=implicit-function-declaration
@@ -3542,6 +3594,8 @@ elif enabled llvm_gcc; then
 elif enabled clang; then
     check_cflags -mllvm -stack-alignment=16
     check_cflags -Qunused-arguments
+    check_cflags -Werror=implicit-function-declaration
+    check_cflags -Werror=missing-prototypes
 elif enabled armcc; then
     # 2523: use of inline assembler is deprecated
     add_cflags -W${armcc_opt},--diag_suppress=2523
@@ -3558,6 +3612,15 @@ elif enabled msvc; then
     enabled x86_32 && disable aligned_stack
 fi
 
+case $target_os in
+    osf1)
+        enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
+    ;;
+    plan9)
+        add_cppflags -Dmain=plan9_main
+    ;;
+esac
+
 enabled_any $THREADS_LIST      && enable threads
 
 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
@@ -3566,7 +3629,6 @@ check_deps $CONFIG_LIST       \
            $CONFIG_EXTRA      \
            $HAVE_LIST         \
            $ALL_COMPONENTS    \
-           $ALL_TESTS         \
 
 ! enabled_any memalign posix_memalign aligned_malloc &&
     enabled_any $need_memalign && enable memalign_hack
@@ -3719,6 +3781,7 @@ ASFLAGS=$ASFLAGS
 AS_C=$AS_C
 AS_O=$AS_O
 CC_C=$CC_C
+CC_E=$CC_E
 CC_O=$CC_O
 LD_O=$LD_O
 LD_LIB=$LD_LIB
@@ -3765,6 +3828,7 @@ ZLIB=$($ldflags_filter -lz)
 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
 EXTRALIBS=$extralibs
 COMPAT_OBJS=$compat_objs
+EXEOBJS=$exeobjs
 INSTALL=install
 LIBTARGET=${LIBTARGET}
 SLIBNAME=${SLIBNAME}
@@ -3825,12 +3889,6 @@ print_config CONFIG_ "$config_files" $CONFIG_LIST       \
                                      $CONFIG_EXTRA      \
                                      $ALL_COMPONENTS    \
 
-cat >>config.mak <<EOF
-LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
-LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
-SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
-EOF
-
 echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
 
 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
@@ -3900,6 +3958,6 @@ pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBM
 pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
 pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
 pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
-pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
-pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs"
+pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
+pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
 pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"