configure: Disable Snow decoder and encoder by default
[ffmpeg.git] / configure
index 12052c0..f892bfe 100755 (executable)
--- a/configure
+++ b/configure
@@ -54,8 +54,10 @@ if test "$E1" != 0 || test "$E2" = 0; then
     exit 1
 fi
 
+test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
+
 show_help(){
-cat <<EOF
+    cat <<EOF
 Usage: configure [options]
 Options: [defaults in brackets after descriptions]
 
@@ -181,6 +183,7 @@ External library support:
   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
   --enable-libopencv       enable video filtering via libopencv [no]
   --enable-libopenjpeg     enable JPEG 2000 de/encoding via OpenJPEG [no]
+  --enable-libopus         enable Opus decoding via libopus [no]
   --enable-libpulse        enable Pulseaudio input via libpulse [no]
   --enable-librtmp         enable RTMP[E] support via librtmp [no]
   --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
@@ -205,6 +208,7 @@ Advanced options (experts only):
   --target-os=OS           compiler targets OS [$target_os]
   --target-exec=CMD        command to run executables on target
   --target-path=DIR        path to view of build directory on target
+  --toolchain=NAME         set tool defaults according to NAME
   --nm=NM                  use nm tool
   --ar=AR                  use archive tool AR [$ar_default]
   --as=AS                  use assembler AS [$as_default]
@@ -213,6 +217,7 @@ Advanced options (experts only):
   --ld=LD                  use linker LD
   --host-cc=HOSTCC         use host C compiler HOSTCC
   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
+  --host-ld=HOSTLD         use host linker HOSTLD
   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
   --host-libs=HLIBS        use libs HLIBS when linking for host
   --host-os=OS             compiler host OS [$target_os]
@@ -235,6 +240,7 @@ Advanced options (experts only):
                            disable buffer boundary checking in bitreaders
                            (faster, but may crash)
   --enable-memalign-hack   emulate memalign, interferes with memory debuggers
+  --enable-lto             use link-time optimization
 
 Optimization options (experts only):
   --disable-asm            disable all assembler optimizations
@@ -244,16 +250,20 @@ Optimization options (experts only):
   --disable-mmx            disable MMX optimizations
   --disable-mmxext         disable MMXEXT optimizations
   --disable-sse            disable SSE optimizations
+  --disable-sse2           disable SSE2 optimizations
+  --disable-sse3           disable SSE3 optimizations
   --disable-ssse3          disable SSSE3 optimizations
+  --disable-sse4           disable SSE4 optimizations
+  --disable-sse42          disable SSE4.2 optimizations
   --disable-avx            disable AVX optimizations
   --disable-fma4           disable FMA4 optimizations
   --disable-armv5te        disable armv5te optimizations
   --disable-armv6          disable armv6 optimizations
   --disable-armv6t2        disable armv6t2 optimizations
   --disable-armvfp         disable ARM VFP optimizations
-  --disable-mmi            disable MMI optimizations
   --disable-neon           disable NEON optimizations
   --disable-vis            disable VIS optimizations
+  --disable-inline-asm     disable use of inline assembler
   --disable-yasm           disable use of yasm assembler
 
 Developer options (useful when working on Libav itself):
@@ -315,7 +325,7 @@ Rerun configure with logging enabled (do not use --disable-logging), and
 include the log this produces with your report.
 EOF
     else
-cat <<EOF
+        cat <<EOF
 Include the log file "$logfile" produced by configure as this will help
 solving the problem.
 EOF
@@ -368,6 +378,12 @@ map(){
     for v; do eval $m; done
 }
 
+add_suffix(){
+    suffix=$1
+    shift
+    for v; do echo ${v}${suffix}; done
+}
+
 set_all(){
     value=$1
     shift
@@ -577,7 +593,7 @@ print_config(){
 }
 
 print_enabled(){
-    test "$1" = -n && end=" " && shift || end="\n"
+    test x"$1" = x-n && end=" " && shift || end="\n"
     suf=$1
     shift
     for v; do
@@ -625,6 +641,12 @@ add_host_ldflags(){
     append host_ldflags $($host_ldflags_filter "$@")
 }
 
+add_compat(){
+    append compat_objs $1
+    shift
+    map 'add_cppflags -D$v' "$@"
+}
+
 check_cmd(){
     log "$@"
     "$@" >> $logfile 2>&1
@@ -652,11 +674,15 @@ check_cpp(){
     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
 }
 
+as_o(){
+    eval printf '%s\\n' $AS_O
+}
+
 check_as(){
     log check_as "$@"
     cat > $TMPC
     log_file $TMPC
-    check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C -o $TMPO $TMPC
+    check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPC
 }
 
 check_inline_asm(){
@@ -678,17 +704,18 @@ check_yasm(){
     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
 }
 
+ld_o(){
+    eval printf '%s\\n' $LD_O
+}
+
 check_ld(){
     log check_ld "$@"
-    flags=''
-    libs=''
-    for f; do
-        test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
-    done
+    flags=$(filter_out '-l*' "$@")
+    libs=$(filter '-l*' "$@")
     check_cc $($cflags_filter $flags) || return
     flags=$($ldflags_filter $flags)
     libs=$($ldflags_filter $libs)
-    check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
+    check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
 }
 
 check_code(){
@@ -843,6 +870,9 @@ check_exec_crash(){
 static void sighandler(int sig){
     raise(SIGTERM);
 }
+int foo(void){
+    $code
+}
 int main(void){
     signal(SIGILL, sighandler);
     signal(SIGFPE, sighandler);
@@ -850,7 +880,7 @@ int main(void){
 #ifdef SIGBUS
     signal(SIGBUS, sighandler);
 #endif
-    { $code }
+    foo();
 }
 EOF
 }
@@ -898,11 +928,15 @@ require_pkg_config(){
     add_extralibs $(get_safe ${pkg}_libs)
 }
 
+hostcc_o(){
+    eval printf '%s\\n' $HOSTCC_O
+}
+
 check_host_cc(){
     log check_host_cc "$@"
     cat > $TMPC
     log_file $TMPC
-    check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
+    check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
 }
 
 check_host_cflags(){
@@ -981,6 +1015,7 @@ CONFIG_LIST="
     libopencore_amrwb
     libopencv
     libopenjpeg
+    libopus
     libpulse
     librtmp
     libschroedinger
@@ -1042,31 +1077,46 @@ ARCH_LIST='
     sh4
     sparc
     sparc64
+    tilegx
+    tilepro
     tomi
     x86
     x86_32
     x86_64
 '
 
-ARCH_EXT_LIST='
-    altivec
+ARCH_EXT_LIST_X86='
     amd3dnow
     amd3dnowext
-    armv5te
-    armv6
-    armv6t2
-    armvfp
     avx
     fma4
-    mmi
     mmx
     mmxext
-    neon
-    ppc4xx
     sse
+    sse2
+    sse3
+    sse4
+    sse42
     ssse3
+'
+
+ARCH_EXT_LIST="
+    $ARCH_EXT_LIST_X86
+    altivec
+    armv5te
+    armv6
+    armv6t2
+    armvfp
+    neon
+    ppc4xx
     vfpv3
     vis
+"
+
+HAVE_LIST_CMDLINE='
+    inline_asm
+    symver
+    yasm
 '
 
 HAVE_LIST_PUB='
@@ -1076,6 +1126,9 @@ HAVE_LIST_PUB='
 
 HAVE_LIST="
     $ARCH_EXT_LIST
+    $(add_suffix _external $ARCH_EXT_LIST)
+    $(add_suffix _inline   $ARCH_EXT_LIST)
+    $HAVE_LIST_CMDLINE
     $HAVE_LIST_PUB
     $THREADS_LIST
     aligned_malloc
@@ -1090,14 +1143,15 @@ HAVE_LIST="
     cbrtf
     closesocket
     cmov
-    cpuid
     cpunop
+    CryptGenRandom
     dcbzl
     dev_bktr_ioctl_bt848_h
     dev_bktr_ioctl_meteor_h
     dev_ic_bt8xx_h
     dev_video_bktr_ioctl_bt848_h
     dev_video_meteor_ioctl_meteor_h
+    direct_h
     dlfcn_h
     dlopen
     dos_paths
@@ -1123,7 +1177,6 @@ HAVE_LIST="
     gnu_as
     ibm_asm
     inet_aton
-    inline_asm
     io_h
     isatty
     isinf
@@ -1150,6 +1203,8 @@ HAVE_LIST="
     mkstemp
     mm_empty
     mmap
+    mprotect
+    msvcrt
     nanosleep
     poll_h
     posix_memalign
@@ -1157,7 +1212,6 @@ HAVE_LIST="
     rint
     round
     roundf
-    rweflags
     sched_getaffinity
     sdl
     sdl_video_size
@@ -1180,7 +1234,6 @@ HAVE_LIST="
     struct_sockaddr_sa_len
     struct_sockaddr_storage
     struct_v4l2_frmivalenum_discrete
-    symver
     symver_asm_label
     symver_gnu_asm
     sysconf
@@ -1202,9 +1255,7 @@ HAVE_LIST="
     windows_h
     winsock2_h
     xform_asm
-    xgetbv
     xmm_clobbers
-    yasm
 "
 
 # options emitted with CONFIG_ prefix but not available on command line
@@ -1223,6 +1274,7 @@ CONFIG_EXTRA="
     huffman
     lgplv3
     lpc
+    mpegaudio
     mpegaudiodsp
     mpegvideo
     mpegvideoenc
@@ -1236,15 +1288,15 @@ CONFIG_EXTRA="
 CMDLINE_SELECT="
     $ARCH_EXT_LIST
     $CONFIG_LIST
+    $HAVE_LIST_CMDLINE
     $THREADS_LIST
     asm
     cross_compile
     debug
     extra_warnings
     logging
+    lto
     optimizations
-    symver
-    yasm
 "
 
 PATHS_LIST='
@@ -1270,6 +1322,7 @@ CMDLINE_SET="
     extra_version
     host_cc
     host_cflags
+    host_ld
     host_ldflags
     host_libs
     host_os
@@ -1286,6 +1339,7 @@ CMDLINE_SET="
     target_exec
     target_os
     target_path
+    toolchain
 "
 
 CMDLINE_APPEND="
@@ -1303,23 +1357,37 @@ armvfp_deps="arm"
 neon_deps="arm"
 vfpv3_deps="armvfp"
 
-mmi_deps="mips"
-
 altivec_deps="ppc"
 ppc4xx_deps="ppc"
 
 vis_deps="sparc"
 
 x86_64_suggest="cmov fast_cmov"
+
 amd3dnow_deps="mmx"
 amd3dnowext_deps="amd3dnow"
 mmx_deps="x86"
 mmxext_deps="mmx"
-sse_deps="mmx"
-ssse3_deps="sse"
-avx_deps="ssse3"
+sse_deps="mmxext"
+sse2_deps="sse"
+sse3_deps="sse2"
+ssse3_deps="sse3"
+sse4_deps="ssse3"
+sse42_deps="sse4"
+avx_deps="sse42"
 fma4_deps="avx"
 
+mmx_external_deps="yasm"
+mmx_inline_deps="inline_asm"
+mmx_suggest="mmx_external mmx_inline"
+
+for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
+    eval dep=\$${ext}_deps
+    eval ${ext}_external_deps='"${dep}_external"'
+    eval ${ext}_inline_deps='"${dep}_inline"'
+    eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
+done
+
 aligned_stack_if_any="ppc x86"
 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
@@ -1330,10 +1398,13 @@ need_memalign="altivec neon sse"
 
 symver_if_any="symver_asm_label symver_gnu_asm"
 
+log2_deps="!msvcrt"
+
 # subsystems
 dct_select="rdft"
 mdct_select="fft"
 rdft_select="fft"
+mpegaudio_select="mpegaudiodsp"
 mpegaudiodsp_select="dct"
 mpegvideoenc_select="mpegvideo"
 
@@ -1359,11 +1430,12 @@ dnxhd_encoder_select="aandcttables mpegvideoenc"
 dxa_decoder_select="zlib"
 eac3_decoder_select="ac3_decoder"
 eac3_encoder_select="ac3_encoder"
-eamad_decoder_select="aandcttables error_resilience"
+eamad_decoder_select="aandcttables error_resilience mpegvideo"
 eatgq_decoder_select="aandcttables"
 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
 ffv1_decoder_select="golomb rangecoder"
 ffv1_encoder_select="rangecoder"
+ffvhuff_encoder_select="huffman"
 flac_decoder_select="golomb"
 flac_encoder_select="golomb lpc"
 flashsv_decoder_select="zlib"
@@ -1385,6 +1457,7 @@ h264_dxva2_hwaccel_select="dxva2 h264_decoder"
 h264_vaapi_hwaccel_select="vaapi h264_decoder"
 h264_vda_hwaccel_select="vda h264_decoder"
 h264_vdpau_decoder_select="vdpau h264_decoder"
+huffyuv_encoder_select="huffman"
 iac_decoder_select="fft mdct sinewin"
 imc_decoder_select="fft mdct sinewin"
 jpegls_decoder_select="golomb"
@@ -1394,16 +1467,16 @@ loco_decoder_select="golomb"
 mdec_decoder_select="error_resilience mpegvideo"
 mjpeg_encoder_select="aandcttables mpegvideoenc"
 mlp_decoder_select="mlp_parser"
-mp1_decoder_select="mpegaudiodsp"
-mp1float_decoder_select="mpegaudiodsp"
-mp2_decoder_select="mpegaudiodsp"
-mp2float_decoder_select="mpegaudiodsp"
-mp3_decoder_select="mpegaudiodsp"
-mp3adu_decoder_select="mpegaudiodsp"
-mp3adufloat_decoder_select="mpegaudiodsp"
-mp3float_decoder_select="mpegaudiodsp"
-mp3on4_decoder_select="mpegaudiodsp"
-mp3on4float_decoder_select="mpegaudiodsp"
+mp1_decoder_select="mpegaudio"
+mp1float_decoder_select="mpegaudio"
+mp2_decoder_select="mpegaudio"
+mp2float_decoder_select="mpegaudio"
+mp3_decoder_select="mpegaudio"
+mp3adu_decoder_select="mpegaudio"
+mp3adufloat_decoder_select="mpegaudio"
+mp3float_decoder_select="mpegaudio"
+mp3on4_decoder_select="mpegaudio"
+mp3on4float_decoder_select="mpegaudio"
 mpc7_decoder_select="mpegaudiodsp"
 mpc8_decoder_select="mpegaudiodsp"
 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
@@ -1427,6 +1500,7 @@ msmpeg4v2_decoder_select="h263_decoder"
 msmpeg4v2_encoder_select="h263_encoder"
 msmpeg4v3_decoder_select="h263_decoder"
 msmpeg4v3_encoder_select="h263_encoder"
+mss2_decoder_select="vc1_decoder"
 nellymoser_decoder_select="mdct sinewin"
 nellymoser_encoder_select="mdct sinewin"
 png_decoder_select="zlib"
@@ -1455,6 +1529,7 @@ tiff_encoder_suggest="zlib"
 truehd_decoder_select="mlp_decoder"
 tscc_decoder_select="zlib"
 twinvq_decoder_select="mdct lsp sinewin"
+utvideo_encoder_select="huffman"
 vc1_decoder_select="h263_decoder h264chroma h264qpel"
 vc1_dxva2_hwaccel_deps="dxva2api_h"
 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
@@ -1515,6 +1590,8 @@ libopencore_amrnb_encoder_deps="libopencore_amrnb"
 libopencore_amrwb_decoder_deps="libopencore_amrwb"
 libopenjpeg_decoder_deps="libopenjpeg"
 libopenjpeg_encoder_deps="libopenjpeg"
+libopus_decoder_deps="libopus"
+libopus_encoder_deps="libopus"
 libschroedinger_decoder_deps="libschroedinger"
 libschroedinger_encoder_deps="libschroedinger"
 libspeex_decoder_deps="libspeex"
@@ -1555,6 +1632,7 @@ rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
 sap_demuxer_select="sdp_demuxer"
 sap_muxer_select="rtp_muxer rtp_protocol"
 sdp_demuxer_select="rtpdec"
+smoothstreaming_muxer_select="ismv_muxer"
 spdif_muxer_select="aac_parser"
 tg2_muxer_select="mov_muxer"
 tgp_muxer_select="mov_muxer"
@@ -1645,49 +1723,6 @@ 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"
@@ -1706,13 +1741,12 @@ ar_default="ar"
 cc_default="gcc"
 host_cc_default="gcc"
 ln_s="ln -sf"
-nm_default="nm"
+nm_default="nm -g"
 objformat="elf"
 pkg_config_default=pkg-config
 ranlib="ranlib"
 yasmexe="yasm"
 
-nm_opts='-g'
 nogas=":"
 
 # machine
@@ -1769,8 +1803,11 @@ CC_C='-c'
 CC_E='-E -o $@'
 CC_O='-o $@'
 LD_O='-o $@'
+LD_LIB='-l%'
+LD_PATH='-L'
 HOSTCC_C='-c'
 HOSTCC_O='-o $@'
+HOSTLD_O='-o $@'
 
 host_cflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600 -O3 -g'
 host_libs='-lm'
@@ -1835,23 +1872,15 @@ 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\"."
@@ -1962,8 +1991,6 @@ 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}"
@@ -1972,7 +1999,30 @@ ranlib="${cross_prefix}${ranlib}"
 
 sysinclude_default="${sysroot}/usr/include"
 
-set_default cc nm pkg_config sysinclude
+case "$toolchain" in
+    clang-asan)
+        cc_default="clang"
+        add_cflags  -faddress-sanitizer
+        add_ldflags -faddress-sanitizer
+    ;;
+    clang-tsan)
+        cc_default="clang"
+        add_cflags  -fthread-sanitizer
+        add_ldflags -fthread-sanitizer
+    ;;
+    msvc)
+        cc_default="c99wrap cl"
+        ld_default="c99wrap link"
+        nm_default="dumpbin -symbols"
+        ar_default="lib"
+        target_os_default="win32"
+    ;;
+    ?*)
+        die "Unknown toolchain $toolchain"
+    ;;
+esac
+
+set_default arch cc pkg_config sysinclude target_os
 enabled cross_compile || host_cc_default=$cc
 set_default host_cc
 
@@ -1983,7 +2033,7 @@ 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
 }
 
@@ -2039,9 +2089,32 @@ EOF
     die "Sanity test failed."
 fi
 
+msvc_flags(){
+    for flag; do
+        case $flag in
+            -fomit-frame-pointer) echo -Oy ;;
+            -g)                   echo -Z7 ;;
+            -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
+                                       -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
+                                       -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
+                                       -wd4996 -wd4273 ;;
+            -std=c99)             ;;
+            -fno-math-errno)      ;;
+            -fno-common)          ;;
+            -fno-signed-zeros)    ;;
+            -lz)                  echo zlib.lib ;;
+            -lavifil32)           echo vfw32.lib ;;
+            -lavicap32)           echo vfw32.lib user32.lib ;;
+            -l*)                  echo ${flag#-l}.lib ;;
+            *)                    echo $flag ;;
+        esac
+    done
+}
+
 pgi_flags(){
     for flag; do
         case $flag in
+            -flto)                echo -Mipa=fast,libopt,libinline,vestigial ;;
             -fomit-frame-pointer) echo -Mnoframe ;;
             -g)                   echo -gopt ;;
             *)                    echo $flag ;;
@@ -2066,7 +2139,7 @@ suncc_flags(){
                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
                     *-sse3)             echo -xarch=sse3                 ;;
                     core2)              echo -xarch=ssse3 -xchip=core2   ;;
-                    amdfam10|barcelona)       echo -xarch=sse4_1         ;;
+                    amdfam10|barcelona|bdver*) echo -xarch=sse4_1        ;;
                     athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
                     k8|opteron|athlon64|athlon-fx)
                                               echo -xarch=sse2a          ;;
@@ -2100,6 +2173,7 @@ tms470_flags(){
             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
             -mfpu=vfp)      echo --float_support=vfpv2        ;;
             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
+            -mfpu=vfpv3-d16) echo --float_support=vfpv3d16    ;;
             -msoft-float)   echo --float_support=vfplib       ;;
             -O[0-3]|-mf=*)  echo $flag                        ;;
             -g)             echo -g -mn                       ;;
@@ -2115,7 +2189,8 @@ probe_cc(){
     pfx=$1
     _cc=$2
 
-    unset _type _ident _cc_c _cc_e _cc_o _flags _cflags _ldflags
+    unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
+    unset _ld_o _ldflags _ld_lib _ld_path
     unset _depflags _DEPCMD _DEPFLAGS
     _flags_filter=echo
 
@@ -2174,15 +2249,12 @@ probe_cc(){
         _depflags='-MMD'
         _cflags_speed='-O3'
         _cflags_size='-Os'
-    elif $_cc -version 2>/dev/null | grep -q TMS470; then
+    elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
         _type=tms470
         _ident=$($_cc -version | head -n1 | tr -s ' ')
         _flags='--gcc --abi=eabi -me'
-        _cflags='-D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__='
         _cc_e='-ppl -fe=$@'
         _cc_o='-fe=$@'
-        as_default="${cross_prefix}gcc"
-        ld_default="${cross_prefix}gcc"
         _depflags='-ppa -ppd=$(@:.o=.d)'
         _cflags_speed='-O3 -mf=5'
         _cflags_size='-O3 -mf=2'
@@ -2219,11 +2291,34 @@ probe_cc(){
     elif $_cc -V 2>&1 | grep -q Portland; then
         _type=pgi
         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
-        opt_common='-alias=ansi -Mlre -Mpre'
+        opt_common='-alias=ansi -Mdse -Mlre -Mpre'
         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
         _cflags_size="-O2 -Munroll=c:1 $opt_common"
         _cflags_noopt="-O1"
         _flags_filter=pgi_flags
+    elif $_cc 2>&1 | grep -q Microsoft; then
+        _type=msvc
+        _ident=$($cc 2>&1 | head -n1)
+        _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
+        _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
+        _cflags_speed="-O2"
+        _cflags_size="-O1"
+        # Nonstandard output options, to avoid msys path conversion issues, relies on wrapper to remap it
+        if $_cc 2>&1 | grep -q Linker; then
+            _ld_o='-out $@'
+        else
+            _ld_o='-Fe$@'
+        fi
+        _cc_o='-Fo $@'
+        _cc_e='-P -Fi $@'
+        _flags_filter=msvc_flags
+        _ld_lib='lib%.a'
+        _ld_path='-libpath:'
+        _flags='-nologo'
+        _cflags='-D_USE_MATH_DEFINES -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
+        if [ $pfx = hostcc ]; then
+            append _cflags -Dsnprintf=_snprintf
+        fi
     fi
 
     eval ${pfx}_type=\$_type
@@ -2255,9 +2350,7 @@ set_ccvars CC
 
 probe_cc hostcc "$host_cc"
 host_cflags_filter=$_flags_filter
-host_ldflags_filter=$_flags_filter
 add_host_cflags  $_flags $_cflags
-add_host_ldflags $_flags $_ldflags
 set_ccvars HOSTCC
 
 test -n "$cc_type" && enable $cc_type ||
@@ -2266,7 +2359,8 @@ test -n "$cc_type" && enable $cc_type ||
 : ${as_default:=$cc}
 : ${dep_cc_default:=$cc}
 : ${ld_default:=$cc}
-set_default ar as dep_cc ld
+: ${host_ld_default:=$host_cc}
+set_default ar as dep_cc ld host_ld
 
 probe_cc as "$as"
 asflags_filter=$_flags_filter
@@ -2277,7 +2371,14 @@ probe_cc ld "$ld"
 ldflags_filter=$_flags_filter
 add_ldflags $_flags $_ldflags
 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
-LD_O=${_cc_o-$LD_O}
+LD_O=${_ld_o-$LD_O}
+LD_LIB=${_ld_lib-$LD_LIB}
+LD_PATH=${_ld_path-$LD_PATH}
+
+probe_cc hostld "$host_ld"
+host_ldflags_filter=$_flags_filter
+add_host_ldflags $_flags $_ldflags
+HOSTLD_O=${_ld_o-$HOSTLD_O}
 
 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
     probe_cc depcc "$dep_cc"
@@ -2286,6 +2387,17 @@ if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
     DEPCCFLAGS=$_flags
 fi
 
+if $ar 2>&1 | grep -q Microsoft; then
+    arflags="-nologo"
+    ar_o='-out:$@'
+elif $ar 2>&1 | grep -q 'Texas Instruments'; then
+    arflags="rq"
+    ar_o='$@'
+else
+    arflags="rc"
+    ar_o='$@'
+fi
+
 add_cflags $extra_cflags
 add_asflags $extra_cflags
 
@@ -2358,6 +2470,9 @@ case "$arch" in
         arch="sparc"
         subarch="sparc64"
     ;;
+    tilegx|tile-gx)
+        arch="tilegx"
+    ;;
     i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
         arch="x86"
     ;;
@@ -2431,7 +2546,7 @@ elif enabled x86; then
             disable cmov
         ;;
         # targets that do support conditional mov (cmov)
-        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
+        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom|bdver*)
             cpuflags="-march=$cpu"
             enable cmov
             enable fast_cmov
@@ -2574,14 +2689,14 @@ case $target_os in
         # guards for processor-specific code, instead suppress
         # generation of the HWCAPS ELF section on Solaris x86 only.
         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
-        nm_opts='-P -g'
+        nm_default='nm -P -g'
         ;;
     netbsd)
         disable symver
         oss_indev_extralibs="-lossaudio"
         oss_outdev_extralibs="-lossaudio"
         ;;
-    openbsd)
+    openbsd|bitrig)
         # On OpenBSD 4.5. the compiler does not use PIC unless
         # explicitly using -fPIC. Libav builds fine without PIC,
         # however the generated executable will not do anything
@@ -2590,6 +2705,8 @@ case $target_os in
         enable pic
         disable symver
         SHFLAGS='-shared'
+        SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBVERSION)'
+        SLIB_INSTALL_LINKS=
         oss_indev_extralibs="-lossaudio"
         oss_outdev_extralibs="-lossaudio"
         ;;
@@ -2641,13 +2758,34 @@ case $target_os in
         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
         objformat="win32"
         dlltool="${cross_prefix}dlltool"
+        ranlib=:
         enable dos_paths
-        check_cflags -fno-common
-        check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
-                                      || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
-                die "ERROR: MinGW runtime version must be >= 3.15."
         add_cppflags -U__STRICT_ANSI__
         ;;
+    win32|win64)
+        if enabled shared; then
+            # Link to the import library instead of the normal static library
+            # for shared libs.
+            LD_LIB='%.lib'
+            # Cannot build shared and static libraries at the same time with
+            # MSVC.
+            disable static
+        fi
+        shlibdir_default="$bindir_default"
+        SLIBPREF=""
+        SLIBSUF=".dll"
+        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
+        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
+        SLIB_CREATE_DEF_CMD='makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
+        SLIB_INSTALL_NAME='$(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"
@@ -2661,7 +2799,6 @@ case $target_os in
         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
         objformat="win32"
         enable dos_paths
-        check_cflags -fno-common
         add_cppflags -U__STRICT_ANSI__
         ;;
     *-dos|freedos|opendos)
@@ -2691,13 +2828,13 @@ case $target_os in
         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
-          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
-          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
-          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
-          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
-          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
+            echo PROTMODE >> $(SUBDIR)$(NAME).def; \
+            echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
+            echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
+            echo EXPORTS >> $(SUBDIR)$(NAME).def; \
+            emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
-          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
+            emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
         enable dos_paths
         ;;
@@ -2723,6 +2860,12 @@ case $target_os in
                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
         ;;
+    osf1)
+        add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
+        AVSERVERLDFLAGS=
+        ;;
+    minix)
+        ;;
     none)
         ;;
     *)
@@ -2730,6 +2873,42 @@ case $target_os in
         ;;
 esac
 
+# determine libc flavour
+
+if check_cpp_condition features.h "defined __UCLIBC__"; then
+    libc_type=uclibc
+elif check_cpp_condition features.h "defined __GLIBC__"; then
+    libc_type=glibc
+elif check_header _mingw.h; then
+    libc_type=mingw
+    check_cpp_condition _mingw.h \
+        "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
+            (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
+        die "ERROR: MinGW runtime version must be >= 3.15."
+elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
+    libc_type=newlib
+elif check_func_headers stdlib.h _get_doserrno; then
+    libc_type=msvcrt
+    add_compat strtod.o strtod=avpriv_strtod
+    add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf   \
+                                 _snprintf=avpriv_snprintf  \
+                                 vsnprintf=avpriv_vsnprintf
+elif check_cpp_condition stddef.h "defined __KLIBC__"; then
+    libc_type=klibc
+fi
+
+test -n "$libc_type" && enable $libc_type
+
+# hacks for compiler/libc/os combinations
+
+if enabled_all tms470 glibc; then
+    CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
+    add_cppflags -D__USER_LABEL_PREFIX__=
+    add_cppflags -D__builtin_memset=memset
+    add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
+    add_cflags   -pds=48    # incompatible redefinition of macro
+fi
+
 esc(){
     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
 }
@@ -2739,6 +2918,7 @@ echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIG
 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
 
 set_default $PATHS_LIST
+set_default nm
 
 # we need to build at least one lib type
 if ! enabled_any static shared; then
@@ -2786,10 +2966,10 @@ enabled pic && enable_pic
 check_cc <<EOF || die "Symbol mangling check failed."
 int ff_extern;
 EOF
-sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
+sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
 extern_prefix=${sym%%ff_extern*}
 
-check_cc <<EOF && enable inline_asm
+check_cc <<EOF && enable_weak inline_asm
 void foo(void) { __asm__ volatile ("" ::); }
 EOF
 
@@ -2850,7 +3030,6 @@ EOF
 elif enabled mips; then
 
     check_inline_asm loongson '"dmult.g $1, $2, $3"'
-    enabled mmi && check_inline_asm mmi '"lq $2, 0($2)"'
 
 elif enabled ppc; then
 
@@ -2886,14 +3065,11 @@ elif enabled sparc; then
 
     enabled vis &&
         check_inline_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
-        add_cflags -mcpu=ultrasparc -mtune=ultrasparc
+            add_cflags -mcpu=ultrasparc -mtune=ultrasparc
 
 elif enabled x86; then
 
-    check_code ld immintrin.h "__xgetbv(0)" && enable xgetbv
-    check_code ld intrin.h "int info[4]; __cpuid(info, 0)" && enable cpuid
     check_code ld intrin.h "__rdtsc()" && enable rdtsc
-    check_code ld intrin.h "unsigned int x = __readeflags()" && enable rweflags
 
     check_code ld mmintrin.h "_mm_empty()" && enable mm_empty
 
@@ -2904,11 +3080,9 @@ elif enabled x86; then
     # if the base pointer is used to access it because the
     # base pointer is cleared in the inline assembly code.
     check_exec_crash <<EOF && enable ebp_available
-    volatile int i=0;
-    __asm__ volatile (
-        "xorl %%ebp, %%ebp"
-    ::: "%ebp");
-    return i;
+volatile int i=0;
+__asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
+return i;
 EOF
 
     # check whether EBX is available on x86
@@ -2919,8 +3093,8 @@ EOF
     check_inline_asm xmm_clobbers '"":::"%xmm0"'
 
     # check whether binutils is new enough to compile SSSE3/MMXEXT
-    enabled ssse3  && check_inline_asm ssse3  '"pabsw %xmm0, %xmm0"'
-    enabled mmxext && check_inline_asm mmxext '"pmaxub %mm0, %mm1"'
+    enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'
+    enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
 
     if ! disabled_any asm mmx yasm; then
         if check_cmd $yasmexe --version; then
@@ -2941,8 +3115,8 @@ EOF
 
         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
             die "yasm not found, use --disable-yasm for a crippled build"
-        check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
-        check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4
+        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
 
@@ -3019,6 +3193,7 @@ check_func  localtime_r
 check_func  ${malloc_prefix}memalign            && enable memalign
 check_func  mkstemp
 check_func  mmap
+check_func  mprotect
 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
 check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc
 check_func  setrlimit
@@ -3031,6 +3206,7 @@ check_func  sysctl
 check_func  usleep
 check_func_headers io.h setmode
 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
+check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
 check_func_headers windows.h GetProcessAffinityMask
 check_func_headers windows.h GetProcessTimes
@@ -3039,6 +3215,7 @@ check_func_headers windows.h MapViewOfFile
 check_func_headers windows.h Sleep
 check_func_headers windows.h VirtualAlloc
 
+check_header direct.h
 check_header dlfcn.h
 check_header dxva.h
 check_header dxva2api.h
@@ -3124,6 +3301,7 @@ enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_de
 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
 enabled libopencv  && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
+enabled libopus    && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
@@ -3201,7 +3379,7 @@ 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                 &&
@@ -3214,10 +3392,8 @@ if ! disabled vda && check_header VideoDecodeAcceleration/VDADecoder.h; then
 fi
 
 if ! disabled vdpau && enabled vdpau_vdpau_h; then
-check_cpp_condition \
-    vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
-    { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
-      disable vdpau; }
+    check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
+        { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." && disable vdpau; }
 fi
 
 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
@@ -3269,17 +3445,31 @@ void ff_foo(void) {}
 EOF
 fi
 
-if [ -n "$optflags" ]; then
-    add_cflags $optflags
-elif enabled small; then
-    add_cflags $cflags_size
-elif enabled optimizations; then
-    add_cflags $cflags_speed
-else
-    add_cflags $cflags_noopt
+if [ -z "$optflags" ]; then
+    if enabled small; then
+        optflags=$cflags_size
+    elif enabled optimizations; then
+        optflags=$cflags_speed
+    else
+        optflags=$cflags_noopt
+    fi
+fi
+
+check_optflags(){
+    check_cflags "$@"
+    enabled lto && check_ldflags "$@"
+}
+
+
+if enabled lto; then
+    test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
+    check_cflags  -flto
+    check_ldflags -flto $cpuflags
 fi
-check_cflags -fno-math-errno
-check_cflags -fno-signed-zeros
+
+check_optflags $optflags
+check_optflags -fno-math-errno
+check_optflags -fno-signed-zeros
 
 if enabled icc; then
     # Just warnings, no remarks
@@ -3314,10 +3504,11 @@ elif enabled ccc; then
     add_cflags -msg_disable ptrmismatch1
     add_cflags -msg_disable unreachcode
 elif enabled gcc; then
-    check_cflags -fno-tree-vectorize
+    check_optflags -fno-tree-vectorize
     check_cflags -Werror=implicit-function-declaration
     check_cflags -Werror=missing-prototypes
     check_cflags -Werror=declaration-after-statement
+    check_cflags -Werror=vla
 elif enabled llvm_gcc; then
     check_cflags -mllvm -stack-alignment=16
 elif enabled clang; then
@@ -3335,17 +3526,18 @@ elif enabled tms470; then
     add_cflags -pds=824 -pds=837
 elif enabled pathscale; then
     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
+elif enabled msvc; then
+    enabled x86_32 && disable aligned_stack
 fi
 
 enabled_any $THREADS_LIST      && enable threads
 
+enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
+
 check_deps $CONFIG_LIST       \
            $CONFIG_EXTRA      \
            $HAVE_LIST         \
            $ALL_COMPONENTS    \
-           $ALL_TESTS         \
-
-enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
 
 ! enabled_any memalign posix_memalign aligned_malloc &&
     enabled_any $need_memalign && enable memalign_hack
@@ -3384,9 +3576,6 @@ if enabled arm; then
     echo "ARM VFP enabled           ${armvfp-no}"
     echo "NEON enabled              ${neon-no}"
 fi
-if enabled mips; then
-    echo "MMI enabled               ${mmi-no}"
-fi
 if enabled ppc; then
     echo "AltiVec enabled           ${altivec-no}"
     echo "PPC 4xx optimizations     ${ppc4xx-no}"
@@ -3422,6 +3611,7 @@ echo "libopencore-amrnb support ${libopencore_amrnb-no}"
 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
 echo "libopencv support         ${libopencv-no}"
 echo "libopenjpeg enabled       ${libopenjpeg-no}"
+echo "libopus enabled           ${libopus-no}"
 echo "libpulse enabled          ${libpulse-no}"
 echo "librtmp enabled           ${librtmp-no}"
 echo "libschroedinger enabled   ${libschroedinger-no}"
@@ -3490,6 +3680,8 @@ DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
 YASM=$yasmexe
 DEPYASM=$yasmexe
 AR=$ar
+ARFLAGS=$arflags
+AR_O=$ar_o
 RANLIB=$ranlib
 LN_S=$ln_s
 CPPFLAGS=$CPPFLAGS
@@ -3500,6 +3692,8 @@ AS_O=$AS_O
 CC_C=$CC_C
 CC_O=$CC_O
 LD_O=$LD_O
+LD_LIB=$LD_LIB
+LD_PATH=$LD_PATH
 DLLTOOL=$dlltool
 LDFLAGS=$LDFLAGS
 LDFLAGS-avserver=$AVSERVERLDFLAGS
@@ -3521,6 +3715,7 @@ ASDEP_FLAGS=$ASDEP_FLAGS
 CC_DEPFLAGS=$CC_DEPFLAGS
 AS_DEPFLAGS=$AS_DEPFLAGS
 HOSTCC=$host_cc
+HOSTLD=$host_ld
 HOSTCFLAGS=$host_cflags
 HOSTEXESUF=$HOSTEXESUF
 HOSTLDFLAGS=$host_ldflags
@@ -3532,12 +3727,15 @@ HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
 HOSTCC_C=$HOSTCC_C
 HOSTCC_O=$HOSTCC_O
+HOSTLD_O=$HOSTLD_O
 TARGET_EXEC=$target_exec
 TARGET_PATH=$target_path
 LIBS-avplay=$sdl_libs
 CFLAGS-avplay=$sdl_cflags
+ZLIB=$($ldflags_filter -lz)
 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
 EXTRALIBS=$extralibs
+COMPAT_OBJS=$compat_objs
 INSTALL=install
 LIBTARGET=${LIBTARGET}
 SLIBNAME=${SLIBNAME}
@@ -3556,7 +3754,7 @@ get_version(){
     lcname=$1
     name=$(toupper $lcname)
     file=$source_path/$lcname/version.h
-    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
+    eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
@@ -3598,12 +3796,6 @@ 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.
@@ -3629,15 +3821,15 @@ test -n "$WARNINGS" && printf "\n$WARNINGS"
 # build pkg-config files
 
 pkgconfig_generate(){
-name=$1
-shortname=${name#lib}${build_suffix}
-comment=$2
-version=$3
-libs=$4
-requires=$5
-enabled ${name#lib} || return 0
-mkdir -p $name
-cat <<EOF > $name/$name.pc
+    name=$1
+    shortname=${name#lib}${build_suffix}
+    comment=$2
+    version=$3
+    libs=$4
+    requires=$5
+    enabled ${name#lib} || return 0
+    mkdir -p $name
+    cat <<EOF > $name/$name.pc
 prefix=$prefix
 exec_prefix=\${prefix}
 libdir=$libdir
@@ -3653,7 +3845,7 @@ Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
 Libs.private: $(enabled shared && echo $libs)
 Cflags: -I\${includedir}
 EOF
-cat <<EOF > $name/$name-uninstalled.pc
+    cat <<EOF > $name/$name-uninstalled.pc
 prefix=
 exec_prefix=
 libdir=\${pcfiledir}