win32: Do not use GetProcAddress when compiled for Vista+
[ffmpeg.git] / configure
index dcda88e..bf511ed 100755 (executable)
--- a/configure
+++ b/configure
@@ -122,6 +122,7 @@ Component options:
   --disable-w32threads     disable Win32 threads [auto]
   --disable-network        disable network support [no]
   --disable-dct            disable DCT code
+  --disable-error-resilience disable error resilience code
   --disable-lsp            disable LSP code
   --disable-lzo            disable LZO decoder code
   --disable-mdct           disable MDCT code
@@ -408,32 +409,36 @@ set_weak(){
     done
 }
 
+sanitize_var_name(){
+    echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
+}
+
 set_safe(){
     var=$1
     shift
-    eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
+    eval $(sanitize_var_name "$var")='$*'
 }
 
 get_safe(){
-    eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
+    eval echo \$$(sanitize_var_name "$1")
 }
 
 pushvar(){
-    for var in $*; do
-        eval level=\${${var}_level:=0}
-        eval ${var}_${level}="\$$var"
-        eval ${var}_level=$(($level+1))
+    for pvar in $*; do
+        eval level=\${${pvar}_level:=0}
+        eval ${pvar}_${level}="\$$pvar"
+        eval ${pvar}_level=$(($level+1))
     done
 }
 
 popvar(){
-    for var in $*; do
-        eval level=\${${var}_level:-0}
+    for pvar in $*; do
+        eval level=\${${pvar}_level:-0}
         test $level = 0 && continue
         eval level=$(($level-1))
-        eval $var="\${${var}_${level}}"
-        eval ${var}_level=$level
-        eval unset ${var}_${level}
+        eval $pvar="\${${pvar}_${level}}"
+        eval ${pvar}_level=$level
+        eval unset ${pvar}_${level}
     done
 }
 
@@ -484,8 +489,13 @@ enable_deep(){
 }
 
 enable_deep_weak(){
-    do_enable_deep $*
-    enable_weak $*
+    for var; do
+        disabled $var && continue
+        pushvar var
+        do_enable_deep $var
+        popvar var
+        enable_weak $var
+    done
 }
 
 enabled(){
@@ -923,7 +933,7 @@ check_type(){
 }
 
 check_struct(){
-    log check_type "$@"
+    log check_struct "$@"
     headers=$1
     struct=$2
     member=$3
@@ -933,6 +943,16 @@ check_struct(){
         enable_safe "${struct}_${member}"
 }
 
+check_builtin(){
+    log check_builtin "$@"
+    name=$1
+    headers=$2
+    builtin=$3
+    shift 3
+    disable "$name"
+    check_code ld "$headers" "$builtin" "$@" && enable "$name"
+}
+
 require(){
     name="$1"
     header="$2"
@@ -1011,6 +1031,41 @@ COMPONENT_LIST="
     protocols
 "
 
+EXTERNAL_LIBRARY_LIST="
+    avisynth
+    bzlib
+    frei0r
+    gnutls
+    libcdio
+    libdc1394
+    libfaac
+    libfdk_aac
+    libfreetype
+    libgsm
+    libilbc
+    libmp3lame
+    libopencore_amrnb
+    libopencore_amrwb
+    libopencv
+    libopenjpeg
+    libopus
+    libpulse
+    librtmp
+    libschroedinger
+    libspeex
+    libtheora
+    libvo_aacenc
+    libvo_amrwbenc
+    libvorbis
+    libvpx
+    libx264
+    libxavs
+    libxvid
+    openssl
+    x11grab
+    zlib
+"
+
 HWACCEL_LIST="
     dxva2
     vaapi
@@ -1036,51 +1091,23 @@ PROGRAM_LIST="
 
 CONFIG_LIST="
     $COMPONENT_LIST
+    $EXTERNAL_LIBRARY_LIST
     $HWACCEL_LIST
     $LIBRARY_LIST
     $PROGRAM_LIST
-    avisynth
-    bzlib
     dct
     doc
+    error_resilience
     fft
-    frei0r
-    gnutls
     gpl
     gray
     hardcoded_tables
-    libcdio
-    libdc1394
-    libfaac
-    libfdk_aac
-    libfreetype
-    libgsm
-    libilbc
-    libmp3lame
-    libopencore_amrnb
-    libopencore_amrwb
-    libopencv
-    libopenjpeg
-    libopus
-    libpulse
-    librtmp
-    libschroedinger
-    libspeex
-    libtheora
-    libvo_aacenc
-    libvo_amrwbenc
-    libvorbis
-    libvpx
-    libx264
-    libxavs
-    libxvid
     lsp
     lzo
     mdct
     memalign_hack
     network
     nonfree
-    openssl
     pic
     rdft
     runtime_cpudetect
@@ -1093,8 +1120,6 @@ CONFIG_LIST="
     thumb
     version3
     xmm_clobber_test
-    x11grab
-    zlib
 "
 
 THREADS_LIST='
@@ -1102,6 +1127,12 @@ THREADS_LIST='
     w32threads
 '
 
+ATOMICS_LIST='
+    atomics_gcc
+    atomics_suncc
+    atomics_win32
+'
+
 ARCH_LIST='
     aarch64
     alpha
@@ -1206,6 +1237,7 @@ HAVE_LIST="
     $HAVE_LIST_CMDLINE
     $HAVE_LIST_PUB
     $THREADS_LIST
+    $ATOMICS_LIST
     $MATH_FUNCS
     aligned_malloc
     aligned_stack
@@ -1214,12 +1246,13 @@ HAVE_LIST="
     arpa_inet_h
     asm_mod_q
     asm_mod_y
+    atomic_cas_ptr
+    atomics_native
     attribute_may_alias
     attribute_packed
     cdio_paranoia_h
     cdio_paranoia_paranoia_h
     closesocket
-    cmov
     CommandLineToArgvW
     cpunop
     CryptGenRandom
@@ -1253,6 +1286,7 @@ HAVE_LIST="
     gettimeofday
     gnu_as
     gsm_h
+    i686
     ibm_asm
     inet_aton
     io_h
@@ -1267,9 +1301,11 @@ HAVE_LIST="
     loongson
     machine_ioctl_bt848_h
     machine_ioctl_meteor_h
+    machine_rw_barrier
     malloc_h
     MapViewOfFile
     memalign
+    MemoryBarrier
     mkstemp
     mm_empty
     mmap
@@ -1281,7 +1317,6 @@ HAVE_LIST="
     rdtsc
     sched_getaffinity
     sdl
-    sdl_video_size
     SetConsoleTextAttribute
     setmode
     setrlimit
@@ -1304,6 +1339,7 @@ HAVE_LIST="
     struct_v4l2_frmivalenum_discrete
     symver_asm_label
     symver_gnu_asm
+    sync_val_compare_and_swap
     sysconf
     sysctl
     sys_mman_h
@@ -1329,7 +1365,7 @@ CONFIG_EXTRA="
     aandcttables
     ac3dsp
     audio_frame_queue
-    error_resilience
+    dsputil
     gcrypt
     golomb
     gplv3
@@ -1337,6 +1373,7 @@ CONFIG_EXTRA="
     h264dsp
     h264pred
     h264qpel
+    hpeldsp
     huffman
     lgplv3
     lpc
@@ -1433,7 +1470,7 @@ ppc4xx_deps="ppc"
 
 vis_deps="sparc"
 
-x86_64_suggest="cmov fast_cmov"
+x86_64_suggest="fast_cmov i686"
 
 amd3dnow_deps="mmx"
 amd3dnowext_deps="amd3dnow"
@@ -1473,68 +1510,95 @@ log2_deps="!msvcrt"
 
 # subsystems
 dct_select="rdft"
+error_resilience_select="dsputil"
+lpc_select="dsputil"
 mdct_select="fft"
 rdft_select="fft"
 mpegaudio_select="mpegaudiodsp"
 mpegaudiodsp_select="dct"
-mpegvideo_select="videodsp"
+mpegvideo_select="dsputil hpeldsp videodsp"
 mpegvideoenc_select="mpegvideo"
 
 # decoders / encoders
 aac_decoder_select="mdct sinewin"
 aac_encoder_select="audio_frame_queue mdct sinewin"
 aac_latm_decoder_select="aac_decoder aac_latm_parser"
-ac3_decoder_select="mdct ac3dsp ac3_parser"
-ac3_encoder_select="mdct ac3dsp"
-ac3_fixed_encoder_select="mdct ac3dsp"
+ac3_decoder_select="mdct ac3dsp ac3_parser dsputil"
+ac3_encoder_select="mdct ac3dsp dsputil"
+ac3_fixed_encoder_select="mdct ac3dsp dsputil"
+aic_decoder_select="dsputil golomb"
 alac_encoder_select="lpc"
+als_decoder_select="dsputil"
 amrnb_decoder_select="lsp"
 amrwb_decoder_select="lsp"
+amv_decoder_select="dsputil hpeldsp"
+ape_decoder_select="dsputil"
+asv1_decoder_select="dsputil"
+asv1_encoder_select="dsputil"
+asv2_decoder_select="dsputil"
+asv2_encoder_select="dsputil"
 atrac1_decoder_select="mdct sinewin"
 atrac3_decoder_select="mdct"
+bink_decoder_select="dsputil hpeldsp"
 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
 binkaudio_rdft_decoder_select="mdct rdft sinewin"
-cavs_decoder_select="golomb mpegvideo"
+cavs_decoder_select="dsputil golomb h264chroma videodsp"
+cllc_decoder_select="dsputil"
 comfortnoise_encoder_select="lpc"
-cook_decoder_select="mdct sinewin"
+cook_decoder_select="dsputil mdct sinewin"
 cscd_decoder_select="lzo"
 cscd_decoder_suggest="zlib"
 dca_decoder_select="mdct"
-dnxhd_encoder_select="aandcttables mpegvideoenc"
+dnxhd_decoder_select="dsputil"
+dnxhd_encoder_select="aandcttables dsputil mpegvideoenc"
+dvvideo_decoder_select="dsputil"
+dvvideo_encoder_select="dsputil"
 dxa_decoder_select="zlib"
 eac3_decoder_select="ac3_decoder"
 eac3_encoder_select="ac3_encoder"
-eamad_decoder_select="aandcttables error_resilience mpegvideo"
-eatgq_decoder_select="aandcttables"
+eamad_decoder_select="aandcttables dsputil mpegvideo"
+eatgq_decoder_select="aandcttables dsputil"
 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
-ffv1_decoder_select="golomb rangecoder"
-ffv1_encoder_select="rangecoder"
-ffvhuff_encoder_select="huffman"
+ffv1_decoder_select="dsputil golomb rangecoder"
+ffv1_encoder_select="dsputil rangecoder"
+ffvhuff_decoder_select="dsputil"
+ffvhuff_encoder_select="dsputil huffman"
 flac_decoder_select="golomb"
-flac_encoder_select="golomb lpc"
+flac_encoder_select="dsputil golomb lpc"
 flashsv_decoder_select="zlib"
 flashsv_encoder_select="zlib"
 flashsv2_decoder_select="zlib"
 flv_decoder_select="h263_decoder"
 flv_encoder_select="h263_encoder"
-fraps_decoder_select="huffman"
+fourxm_decoder_select="dsputil"
+fraps_decoder_select="dsputil huffman"
 h261_decoder_select="error_resilience mpegvideo"
 h261_encoder_select="aandcttables mpegvideoenc"
 h263_decoder_select="error_resilience h263_parser mpegvideo"
-h263_encoder_select="aandcttables error_resilience mpegvideoenc"
+h263_encoder_select="aandcttables mpegvideoenc"
 h263i_decoder_select="h263_decoder"
 h263p_encoder_select="h263_encoder"
-h264_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
-huffyuv_encoder_select="huffman"
-iac_decoder_select="fft mdct sinewin"
-imc_decoder_select="fft mdct sinewin"
-jpegls_decoder_select="golomb"
+h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
+h264_decoder_suggest="error_resilience"
+huffyuv_decoder_select="dsputil"
+huffyuv_encoder_select="dsputil huffman"
+iac_decoder_select="dsputil fft mdct sinewin"
+imc_decoder_select="dsputil fft mdct sinewin"
+indeo3_decoder_select="hpeldsp"
+interplay_video_decoder_select="hpeldsp"
+jpegls_decoder_select="dsputil golomb hpeldsp"
 jpegls_encoder_select="golomb"
+jv_decoder_select="dsputil"
+lagarith_decoder_select="dsputil"
 ljpeg_encoder_select="aandcttables mpegvideoenc"
 loco_decoder_select="golomb"
-mdec_decoder_select="error_resilience mpegvideo"
-mjpeg_encoder_select="aandcttables mpegvideoenc"
-mlp_decoder_select="mlp_parser"
+mdec_decoder_select="dsputil error_resilience mpegvideo"
+mimic_decoder_select="dsputil hpeldsp"
+mjpeg_decoder_select="dsputil hpeldsp"
+mjpegb_decoder_select="dsputil hpeldsp"
+mjpeg_encoder_select="aandcttables dsputil mpegvideoenc"
+mlp_decoder_select="dsputil mlp_parser"
+motionpixels_decoder_select="dsputil"
 mp1_decoder_select="mpegaudio"
 mp1float_decoder_select="mpegaudio"
 mp2_decoder_select="mpegaudio"
@@ -1545,58 +1609,67 @@ mp3adufloat_decoder_select="mpegaudio"
 mp3float_decoder_select="mpegaudio"
 mp3on4_decoder_select="mpegaudio"
 mp3on4float_decoder_select="mpegaudio"
-mpc7_decoder_select="mpegaudiodsp"
-mpc8_decoder_select="mpegaudiodsp"
+mpc7_decoder_select="dsputil mpegaudiodsp"
+mpc8_decoder_select="dsputil mpegaudiodsp"
 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
-mpeg_xvmc_decoder_select="mpegvideo_decoder"
+mpeg_xvmc_decoder_select="mpeg2video_decoder"
 mpeg1video_decoder_select="error_resilience mpegvideo"
-mpeg1video_encoder_select="aandcttables error_resilience mpegvideoenc"
+mpeg1video_encoder_select="aandcttables mpegvideoenc"
 mpeg2video_decoder_select="error_resilience mpegvideo"
-mpeg2video_encoder_select="aandcttables error_resilience mpegvideoenc"
+mpeg2video_encoder_select="aandcttables mpegvideoenc"
 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
 mpeg4_encoder_select="h263_encoder"
 msmpeg4v1_decoder_select="h263_decoder"
-msmpeg4v1_encoder_select="h263_encoder"
 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"
+mss2_decoder_select="error_resilience vc1_decoder"
+mxpeg_decoder_select="dsputil hpeldsp"
 nellymoser_decoder_select="mdct sinewin"
 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
-nuv_decoder_select="lzo"
-png_decoder_select="zlib"
-png_encoder_select="zlib"
+nuv_decoder_select="dsputil lzo"
+png_decoder_select="dsputil zlib"
+png_encoder_select="dsputil zlib"
+prores_decoder_select="dsputil"
+prores_encoder_select="dsputil"
 qcelp_decoder_select="lsp"
 qdm2_decoder_select="mdct rdft mpegaudiodsp"
 ra_144_encoder_select="audio_frame_queue lpc"
 ralf_decoder_select="golomb"
-rv10_decoder_select="h263_decoder"
+rv10_decoder_select="error_resilience h263_decoder"
 rv10_encoder_select="h263_encoder"
-rv20_decoder_select="h263_decoder"
+rv20_decoder_select="error_resilience h263_decoder"
 rv20_encoder_select="h263_encoder"
-rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
-rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
+rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
+rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
 shorten_decoder_select="golomb"
 sipr_decoder_select="lsp"
-svq1_decoder_select="error_resilience mpegvideo"
-svq1_encoder_select="aandcttables error_resilience mpegvideoenc"
-svq3_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
-svq3_decoder_suggest="zlib"
+sp5x_decoder_select="dsputil hpeldsp"
+svq1_decoder_select="hpeldsp"
+svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc"
+svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel hpeldsp mpegvideo videodsp"
+svq3_decoder_suggest="error_resilience zlib"
+tak_decoder_select="dsputil"
 theora_decoder_select="vp3_decoder"
 tiff_decoder_suggest="zlib"
 tiff_encoder_suggest="zlib"
+thp_decoder_select="dsputil hpeldsp"
 truehd_decoder_select="mlp_decoder"
+truemotion2_decoder_select="dsputil"
+truespeech_decoder_select="dsputil"
 tscc_decoder_select="zlib"
 twinvq_decoder_select="mdct lsp sinewin"
-utvideo_encoder_select="huffman"
-vc1_decoder_select="h263_decoder h264chroma h264qpel"
+utvideo_decoder_select="dsputil"
+utvideo_encoder_select="dsputil huffman"
+vble_decoder_select="dsputil"
+vc1_decoder_select="error_resilience h263_decoder h264chroma h264qpel"
 vc1image_decoder_select="vc1_decoder"
 vorbis_decoder_select="mdct"
 vorbis_encoder_select="mdct"
-vp3_decoder_select="vp3dsp videodsp"
-vp5_decoder_select="vp3dsp videodsp"
-vp6_decoder_select="huffman vp3dsp videodsp"
+vp3_decoder_select="hpeldsp vp3dsp videodsp"
+vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
+vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
 vp6a_decoder_select="vp6_decoder"
 vp6f_decoder_select="vp6_decoder"
 vp8_decoder_select="h264pred videodsp"
@@ -1608,7 +1681,7 @@ wmav2_encoder_select="mdct sinewin"
 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
 wmv1_decoder_select="h263_decoder"
 wmv1_encoder_select="h263_encoder"
-wmv2_decoder_select="h263_decoder"
+wmv2_decoder_select="h263_decoder videodsp"
 wmv2_encoder_select="h263_encoder"
 wmv3_decoder_select="vc1_decoder"
 wmv3image_decoder_select="wmv3_decoder"
@@ -1640,7 +1713,7 @@ h264_vdpau_decoder_select="h264_decoder"
 h264_vdpau_hwaccel_deps="vdpau"
 h264_vdpau_hwaccel_select="h264_decoder"
 mpeg_vdpau_decoder_deps="vdpau"
-mpeg_vdpau_decoder_select="mpegvideo_decoder"
+mpeg_vdpau_decoder_select="mpeg2video_decoder"
 mpeg1_vdpau_decoder_deps="vdpau"
 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
 mpeg1_vdpau_hwaccel_deps="vdpau"
@@ -1671,10 +1744,10 @@ wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
 
 # parsers
-h264_parser_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
+h264_parser_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
 mpeg4video_parser_select="error_resilience mpegvideo"
 mpegvideo_parser_select="error_resilience mpegvideo"
-vc1_parser_select="error_resilience mpegvideo"
+vc1_parser_select="mpegvideo"
 
 # external libraries
 libfaac_encoder_deps="libfaac"
@@ -1732,13 +1805,12 @@ mov_demuxer_suggest="zlib"
 mov_muxer_select="rtpenc_chain"
 mp3_demuxer_select="mpegaudio_parser"
 mp4_muxer_select="mov_muxer"
-mpegts_muxer_select="adts_muxer latm_muxer mpegvideo"
+mpegts_muxer_select="adts_muxer latm_muxer"
 mpegtsraw_demuxer_select="mpegts_demuxer"
 mxf_d10_muxer_select="mxf_muxer"
 ogg_demuxer_select="golomb"
 psp_muxer_select="mov_muxer"
 rtp_demuxer_select="sdp_demuxer"
-rtp_muxer_select="mpegvideo"
 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
 rtsp_demuxer_select="http_protocol rtpdec"
 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
@@ -1816,6 +1888,7 @@ frei0r_filter_extralibs='$ldl'
 frei0r_src_filter_deps="frei0r dlopen strtok_r"
 frei0r_src_filter_extralibs='$ldl'
 hqdn3d_filter_deps="gpl"
+interlace_filter_deps="gpl"
 resample_filter_deps="avresample"
 ocv_filter_deps="libopencv"
 scale_filter_deps="swscale"
@@ -1831,9 +1904,9 @@ swscale_deps="avutil"
 
 # programs
 avconv_deps="avcodec avfilter avformat avresample swscale"
-avconv_select="aformat_filter anull_filter asyncts_filter format_filter
+avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
                fps_filter null_filter resample_filter scale_filter
-               setpts_filter"
+               setpts_filter trim_filter"
 avplay_deps="avcodec avformat avresample swscale sdl"
 avplay_select="rdft"
 avprobe_deps="avcodec avformat"
@@ -1860,7 +1933,7 @@ ar_default="ar"
 cc_default="gcc"
 host_cc_default="gcc"
 cp_f="cp -f"
-ln_s="ln -sf"
+ln_s="ln -s -f"
 nm_default="nm -g"
 objformat="elf"
 pkg_config_default=pkg-config
@@ -1888,6 +1961,9 @@ enable safe_bitstream_reader
 enable static
 enable swscale_alpha
 
+# By default, enable only those hwaccels that have no external dependencies.
+enable dxva2 vdpau
+
 # build settings
 SHFLAGS='-shared -Wl,-soname,$$(@F)'
 AVSERVERLDFLAGS=-Wl,-E
@@ -2127,13 +2203,21 @@ sysinclude_default="${sysroot}/usr/include"
 case "$toolchain" in
     clang-asan)
         cc_default="clang"
-        add_cflags  -faddress-sanitizer
-        add_ldflags -faddress-sanitizer
+        add_cflags  -fsanitize=address
+        add_ldflags -fsanitize=address
     ;;
     clang-tsan)
         cc_default="clang"
-        add_cflags  -fthread-sanitizer
-        add_ldflags -fthread-sanitizer
+        add_cflags  -fsanitize=thread -pie
+        add_ldflags -fsanitize=thread -pie
+    ;;
+    valgrind-massif)
+        target_exec_default="valgrind"
+        target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
+    ;;
+    valgrind-memcheck)
+        target_exec_default="valgrind"
+        target_exec_args="--track-origins=yes --leak-check=full"
     ;;
     msvc)
         cc_default="c99wrap cl"
@@ -2142,12 +2226,16 @@ case "$toolchain" in
         ar_default="lib"
         target_os_default="win32"
     ;;
+    gcov)
+        add_cflags  -fprofile-arcs -ftest-coverage
+        add_ldflags -fprofile-arcs -ftest-coverage
+    ;;
     ?*)
         die "Unknown toolchain $toolchain"
     ;;
 esac
 
-set_default arch cc pkg_config sysinclude target_os
+set_default arch cc pkg_config sysinclude target_exec target_os
 enabled cross_compile || host_cc_default=$cc
 set_default host_cc
 
@@ -2360,7 +2448,7 @@ probe_cc(){
         fi
         _cflags_speed='-O3'
         _cflags_size='-Os'
-    elif $_cc --version 2>/dev/null | grep -q Intel; then
+    elif $_cc --version 2>/dev/null | grep -q ^icc; then
         _type=icc
         _ident=$($_cc --version | head -n1)
         _depflags='-MMD'
@@ -2787,21 +2875,21 @@ elif enabled x86; then
             cpuflags="-march=$cpu"
             disable mmx
         ;;
-        # targets that do NOT support conditional mov (cmov)
+        # targets that do NOT support nopl and conditional mov (cmov)
         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
             cpuflags="-march=$cpu"
-            disable cmov
+            disable i686
         ;;
-        # targets that do support conditional mov (cmov)
+        # targets that do support nopl and conditional mov (cmov)
         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
             cpuflags="-march=$cpu"
-            enable cmov
+            enable i686
             enable fast_cmov
         ;;
         # targets that do support conditional mov but on which it's slow
         pentium4|pentium4m|prescott|nocona)
             cpuflags="-march=$cpu"
-            enable cmov
+            enable i686
             disable fast_cmov
         ;;
     esac
@@ -2875,7 +2963,7 @@ case "$arch" in
 esac
 
 enable $subarch
-enabled spic && enable pic
+enabled spic && enable_weak pic
 
 # OS specific
 case $target_os in
@@ -2946,6 +3034,8 @@ case $target_os in
         elif enabled arm; then
             LIBTARGET=arm-wince
         fi
+        check_ldflags -Wl,--nxcompat
+        check_ldflags -Wl,--dynamicbase
         shlibdir_default="$bindir_default"
         SLIBPREF=""
         SLIBSUF=".dll"
@@ -2961,6 +3051,7 @@ case $target_os in
         dlltool="${cross_prefix}dlltool"
         ranlib=:
         enable dos_paths
+        disable pic
         ;;
     win32|win64)
         if enabled shared; then
@@ -2985,6 +3076,7 @@ case $target_os in
         objformat="win32"
         ranlib=:
         enable dos_paths
+        disable pic
         ;;
     cygwin*)
         target_os=cygwin
@@ -2999,6 +3091,7 @@ case $target_os in
         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
         objformat="win32"
         enable dos_paths
+        disable pic
         ;;
     *-dos|freedos|opendos)
         network_extralibs="-lsocket"
@@ -3073,7 +3166,6 @@ case $target_os in
         network_extralibs='-lbsd'
         exeobjs=compat/plan9/main.o
         disable avserver
-        ln_s='ln -s -f'
         cp_f='cp'
         ;;
     none)
@@ -3109,6 +3201,13 @@ elif check_func_headers stdlib.h _get_doserrno; then
     add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf   \
                                  _snprintf=avpriv_snprintf  \
                                  vsnprintf=avpriv_vsnprintf
+    # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
+    # 0x601 by default unless something else is set by the user.
+    # This can easily lead to us detecting functions only present
+    # in such new versions and producing binaries requiring windows 7.0.
+    # Therefore explicitly set the default to XP unless the user has
+    # set something else on the command line.
+    check_cpp_condition stdlib.h "defined(_WIN32_WINNT)" || add_cppflags -D_WIN32_WINNT=0x0502
 elif check_cpp_condition stddef.h "defined __KLIBC__"; then
     libc_type=klibc
 fi
@@ -3135,7 +3234,7 @@ esc(){
 
 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
 
-check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
+check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
 
 set_default $PATHS_LIST
 set_default nm
@@ -3174,14 +3273,15 @@ enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
 
 disabled optimizations || check_cflags -fomit-frame-pointer
 
-enable_pic() {
+enable_weak_pic() {
+    disabled pic && return
     enable pic
     add_cppflags -DPIC
     add_cflags   -fPIC
     add_asflags  -fPIC
 }
 
-enabled pic && enable_pic
+enabled pic && enable_weak_pic
 
 check_cc <<EOF || die "Symbol mangling check failed."
 int ff_extern;
@@ -3250,7 +3350,7 @@ EOF
     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
     check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
 
-    enabled_all armv6t2 shared !pic && enable_pic
+    enabled_all armv6t2 shared !pic && enable_weak_pic
 
 elif enabled mips; then
 
@@ -3300,9 +3400,8 @@ elif enabled sparc; then
 
 elif enabled x86; then
 
-    check_code ld intrin.h "__rdtsc()" && enable rdtsc
-
-    check_code ld mmintrin.h "_mm_empty()" && enable mm_empty
+    check_builtin rdtsc    intrin.h   "__rdtsc()"
+    check_builtin mm_empty mmintrin.h "_mm_empty()"
 
     enable local_aligned_8 local_aligned_16
 
@@ -3347,7 +3446,7 @@ EOF
         check_yasm "vextractf128 xmm0, ymm0, 0" && enable yasm ||
             die "yasm not found, use --disable-yasm for a crippled build"
         check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
-        check_yasm "CPU amdnop" && enable cpunop
+        check_yasm "CPU amdnop" && enabled i686 && enable cpunop
     fi
 
     case "$cpu" in
@@ -3418,6 +3517,7 @@ check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
 
 check_func  fcntl
 check_func  fork
+check_func_headers stdlib.h getenv
 check_func  gethrtime
 check_func  getopt
 check_func  getrusage
@@ -3437,6 +3537,10 @@ check_func  strerror_r
 check_func  strptime
 check_func  strtok_r
 check_func  sched_getaffinity
+check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
+check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
+check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
+check_builtin MemoryBarrier windows.h "MemoryBarrier()"
 check_func  sysconf
 check_func  sysctl
 check_func  usleep
@@ -3505,6 +3609,10 @@ for thread in $THREADS_LIST; do
     fi
 done
 
+enabled sync_val_compare_and_swap && enable atomics_gcc
+enabled machine_rw_barrier && enabled atomic_cas_ptr && enable atomics_suncc
+enabled MemoryBarrier && enable atomics_win32
+
 check_lib math.h sin -lm && LIBM="-lm"
 enabled vaapi && require vaapi va/va.h vaInitialize -lva
 
@@ -3574,8 +3682,8 @@ fi
 
 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
-    enable sdl &&
-    check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
+    check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
+    enable sdl
 fi
 
 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
@@ -3713,8 +3821,6 @@ if enabled icc; then
     # 11030: Warning unknown option --as-needed
     # 10156: ignoring option '-export'; no argument required
     check_ldflags -wd10156,11030
-    # Allow to compile with optimizations
-    check_ldflags -march=$cpu
     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
     enable ebp_available
     if enabled x86_32; then
@@ -3770,6 +3876,7 @@ case $target_os in
 esac
 
 enabled_any $THREADS_LIST      && enable threads
+enabled_any $ATOMICS_LIST      && enable atomics_native
 
 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
 
@@ -3803,7 +3910,7 @@ if enabled x86; then
     echo "SSSE3 enabled             ${ssse3-no}"
     echo "AVX enabled               ${avx-no}"
     echo "FMA4 enabled              ${fma4-no}"
-    echo "CMOV enabled              ${cmov-no}"
+    echo "i686 features enabled     ${i686-no}"
     echo "CMOV is fast              ${fast_cmov-no}"
     echo "EBX available             ${ebx_available-no}"
     echo "EBP available             ${ebp_available-no}"
@@ -3833,40 +3940,14 @@ echo "network support           ${network-no}"
 echo "threading support         ${thread_type-no}"
 echo "safe bitstream reader     ${safe_bitstream_reader-no}"
 echo "SDL support               ${sdl-no}"
-echo "AVISynth enabled          ${avisynth-no}"
-echo "frei0r enabled            ${frei0r-no}"
-echo "gnutls enabled            ${gnutls-no}"
-echo "libcdio support           ${libcdio-no}"
-echo "libdc1394 support         ${libdc1394-no}"
-echo "libfaac enabled           ${libfaac-no}"
-echo "libfdk-aac enabled        ${libfdk_aac-no}"
-echo "libgsm enabled            ${libgsm-no}"
-echo "libilbc enabled           ${libilbc-no}"
-echo "libmp3lame enabled        ${libmp3lame-no}"
-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}"
-echo "libspeex enabled          ${libspeex-no}"
-echo "libtheora enabled         ${libtheora-no}"
-echo "libvo-aacenc support      ${libvo_aacenc-no}"
-echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
-echo "libvorbis enabled         ${libvorbis-no}"
-echo "libvpx enabled            ${libvpx-no}"
-echo "libx264 enabled           ${libx264-no}"
-echo "libxavs enabled           ${libxavs-no}"
-echo "libxvid enabled           ${libxvid-no}"
-echo "openssl enabled           ${openssl-no}"
-echo "zlib enabled              ${zlib-no}"
-echo "bzlib enabled             ${bzlib-no}"
 test -n "$random_seed" &&
     echo "random seed               ${random_seed}"
 echo
 
+echo "External libraries:"
+print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
+echo
+
 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
     echo "Enabled ${type}s:"
     eval list=\$$(toupper $type)_LIST
@@ -3966,7 +4047,7 @@ HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
 HOSTCC_C=$HOSTCC_C
 HOSTCC_O=$HOSTCC_O
 HOSTLD_O=$HOSTLD_O
-TARGET_EXEC=$target_exec
+TARGET_EXEC=$target_exec $target_exec_args
 TARGET_PATH=$target_path
 LIBS-avplay=$sdl_libs
 CFLAGS-avplay=$sdl_cflags
@@ -4024,6 +4105,8 @@ if enabled yasm; then
     printf '' >$TMPASM
 fi
 
+enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
+
 print_config ARCH_   "$config_files" $ARCH_LIST
 print_config HAVE_   "$config_files" $HAVE_LIST
 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
@@ -4095,10 +4178,15 @@ Cflags: -I\${includedir}
 EOF
 }
 
+lavfi_libs="libavutil = $LIBAVUTIL_VERSION"
+enabled movie_filter    && prepend lavfi_libs "libavformat >= $LIBAVFORMAT_VERSION, libavcodec >= $LIBAVCODEC_VERSION,"
+enabled resample_filter && prepend lavfi_libs "libavresample >= $LIBAVRESAMPLE_VERSION,"
+enabled scale_filter    && prepend lavfi_libs "libswscale >= $LIBSWSCALE_VERSION,"
+
 pkgconfig_generate libavutil "Libav utility library" "$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" "libavutil = $LIBAVUTIL_VERSION"
+pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$lavfi_libs"
 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"