]> git.sesse.net Git - ffmpeg/blobdiff - configure
mpegvideo: call av_frame_unref() instead of avcodec_get_frame_defaults().
[ffmpeg] / configure
index 397006d493b5bc5fa4310744c885c20bb6fd41a9..1ccd75ff6d4e53d87a1c72046a2bc7437de7d0e6 100755 (executable)
--- a/configure
+++ b/configure
@@ -81,6 +81,7 @@ Standard options:
   --prefix=PREFIX          install in PREFIX [$prefix]
   --bindir=DIR             install binaries in DIR [PREFIX/bin]
   --datadir=DIR            install data files in DIR [PREFIX/share/avconv]
+  --docdir=DIR             install documentation in DIR [PREFIX/share/doc/libav]
   --libdir=DIR             install libs in DIR [PREFIX/lib]
   --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]
   --incdir=DIR             install includes in DIR [PREFIX/include]
@@ -181,7 +182,7 @@ External library support:
   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
                            and libraw1394 [no]
   --enable-libfaac         enable AAC encoding via libfaac [no]
-  --enable-libfdk-aac      enable AAC encoding via libfdk-aac [no]
+  --enable-libfdk-aac      enable AAC de/encoding via libfdk-aac [no]
   --enable-libfreetype     enable libfreetype [no]
   --enable-libgsm          enable GSM de/encoding via libgsm [no]
   --enable-libilbc         enable iLBC de/encoding via libilbc [no]
@@ -268,6 +269,7 @@ Optimization options (experts only):
   --disable-sse42          disable SSE4.2 optimizations
   --disable-avx            disable AVX optimizations
   --disable-fma4           disable FMA4 optimizations
+  --disable-avx2           disable AVX2 optimizations
   --disable-armv5te        disable armv5te optimizations
   --disable-armv6          disable armv6 optimizations
   --disable-armv6t2        disable armv6t2 optimizations
@@ -328,7 +330,7 @@ die(){
 
 If you think configure made a mistake, make sure you are using the latest
 version from Git.  If the latest version fails, report the problem to the
-libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
+libav-tools@libav.org mailing list or IRC #libav on irc.freenode.net.
 EOF
     if disabled logging; then
         cat <<EOF
@@ -657,6 +659,10 @@ add_ldflags(){
     append LDFLAGS $($ldflags_filter "$@")
 }
 
+add_stripflags(){
+    append STRIPFLAGS "$@"
+}
+
 add_extralibs(){
     prepend extralibs $($ldflags_filter "$@")
 }
@@ -777,14 +783,19 @@ int x;
 EOF
 }
 
-check_cflags(){
-    log check_cflags "$@"
+test_cflags(){
+    log test_cflags "$@"
     set -- $($cflags_filter "$@")
-    check_cc "$@" <<EOF && append CFLAGS "$@"
+    check_cc "$@" <<EOF
 int x;
 EOF
 }
 
+check_cflags(){
+    log check_cflags "$@"
+    test_cflags "$@" && add_cflags "$@"
+}
+
 test_ldflags(){
     log test_ldflags "$@"
     check_ld "$@" <<EOF
@@ -797,6 +808,20 @@ check_ldflags(){
     test_ldflags "$@" && add_ldflags "$@"
 }
 
+test_stripflags(){
+    log test_stripflags "$@"
+    # call check_cc to get a fresh TMPO
+    check_cc <<EOF
+int main(void) { return 0; }
+EOF
+    check_cmd $strip $STRIPFLAGS "$@" $TMPO
+}
+
+check_stripflags(){
+    log check_stripflags "$@"
+    test_stripflags "$@" && add_stripflags "$@"
+}
+
 check_header(){
     log check_header "$@"
     header=$1
@@ -884,7 +909,7 @@ check_pkg_config(){
     headers="$2"
     funcs="$3"
     shift 3
-    $pkg_config --exists $pkg || return
+    check_cmd $pkg_config --exists --print-errors $pkg || return
     pkg_cflags=$($pkg_config --cflags $pkg)
     pkg_libs=$($pkg_config --libs $pkg)
     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
@@ -979,6 +1004,10 @@ require_pkg_config(){
     add_extralibs $(get_safe ${pkg}_libs)
 }
 
+hostcc_e(){
+    eval printf '%s\\n' $HOSTCC_E
+}
+
 hostcc_o(){
     eval printf '%s\\n' $HOSTCC_O
 }
@@ -990,6 +1019,13 @@ check_host_cc(){
     check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
 }
 
+check_host_cpp(){
+    log check_host_cpp "$@"
+    cat > $TMPC
+    log_file $TMPC
+    check_cmd $host_cc $HOSTCPPFLAGS $HOSTCFLAGS "$@" $(hostcc_e $TMPO) $TMPC
+}
+
 check_host_cppflags(){
     log check_host_cppflags "$@"
     check_host_cc "$@" <<EOF && append host_cppflags "$@"
@@ -1005,6 +1041,19 @@ int x;
 EOF
 }
 
+check_host_cpp_condition(){
+    log check_host_cpp_condition "$@"
+    header=$1
+    condition=$2
+    shift 2
+    check_host_cpp "$@" <<EOF
+#include <$header>
+#if !($condition)
+#error "unsatisfied condition: $condition"
+#endif
+EOF
+}
+
 apply(){
     file=$1
     shift
@@ -1034,6 +1083,11 @@ COMPONENT_LIST="
     protocols
 "
 
+EXAMPLE_LIST="
+    output_example
+    transcode_aac_example
+"
+
 EXTERNAL_LIBRARY_LIST="
     avisynth
     bzlib
@@ -1095,6 +1149,7 @@ PROGRAM_LIST="
 
 CONFIG_LIST="
     $COMPONENT_LIST
+    $EXAMPLE_LIST
     $EXTERNAL_LIBRARY_LIST
     $HWACCEL_LIST
     $LIBRARY_LIST
@@ -1112,6 +1167,7 @@ CONFIG_LIST="
     memalign_hack
     network
     nonfree
+    pod2man
     pic
     rdft
     runtime_cpudetect
@@ -1121,6 +1177,7 @@ CONFIG_LIST="
     sram
     static
     swscale_alpha
+    texi2html
     thumb
     version3
     xmm_clobber_test
@@ -1177,7 +1234,9 @@ ARCH_EXT_LIST_X86='
     amd3dnow
     amd3dnowext
     avx
+    avx2
     fma4
+    i686
     mmx
     mmxext
     sse
@@ -1290,7 +1349,6 @@ HAVE_LIST="
     gettimeofday
     gnu_as
     gsm_h
-    i686
     ibm_asm
     inet_aton
     io_h
@@ -1298,6 +1356,7 @@ HAVE_LIST="
     isatty
     jack_port_get_latency_range
     ldbrx
+    libc_msvcrt
     libdc1394_1
     libdc1394_2
     local_aligned_16
@@ -1315,7 +1374,6 @@ HAVE_LIST="
     mm_empty
     mmap
     mprotect
-    msvcrt
     nanosleep
     poll_h
     posix_memalign
@@ -1359,11 +1417,13 @@ HAVE_LIST="
     threads
     unistd_h
     usleep
+    vdpau_x11
     vfp_args
     VirtualAlloc
     windows_h
     winsock2_h
     xform_asm
+    xlib
     xmm_clobbers
 "
 
@@ -1376,6 +1436,7 @@ CONFIG_EXTRA="
     gcrypt
     golomb
     gplv3
+    h263dsp
     h264chroma
     h264dsp
     h264pred
@@ -1416,6 +1477,7 @@ CMDLINE_SELECT="
 PATHS_LIST='
     bindir
     datadir
+    docdir
     incdir
     libdir
     mandir
@@ -1480,7 +1542,9 @@ ppc4xx_deps="ppc"
 
 vis_deps="sparc"
 
-x86_64_suggest="fast_cmov i686"
+cpunop_deps="i686"
+x86_64_select="i686"
+x86_64_suggest="fast_cmov"
 
 amd3dnow_deps="mmx"
 amd3dnowext_deps="amd3dnow"
@@ -1494,6 +1558,7 @@ sse4_deps="ssse3"
 sse42_deps="sse4"
 avx_deps="sse42"
 fma4_deps="avx"
+avx2_deps="avx"
 
 mmx_external_deps="yasm"
 mmx_inline_deps="inline_asm"
@@ -1511,12 +1576,12 @@ fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
 fast_clz_if_any="alpha avr32 mips ppc x86"
 fast_unaligned_if_any="ppc x86"
 
-inline_asm_deps="!tms470"
 need_memalign="altivec neon sse"
 
-symver_if_any="symver_asm_label symver_gnu_asm"
+# system capabilities
+log2_deps="!libc_msvcrt"
 
-log2_deps="!msvcrt"
+symver_if_any="symver_asm_label symver_gnu_asm"
 
 # subsystems
 dct_select="rdft"
@@ -1563,7 +1628,7 @@ dnxhd_decoder_select="dsputil"
 dnxhd_encoder_select="aandcttables dsputil mpegvideoenc"
 dvvideo_decoder_select="dsputil"
 dvvideo_encoder_select="dsputil"
-dxa_decoder_select="zlib"
+dxa_decoder_deps="zlib"
 eac3_decoder_select="ac3_decoder"
 eac3_encoder_select="ac3_encoder"
 eamad_decoder_select="aandcttables dsputil mpegvideo"
@@ -1575,22 +1640,24 @@ ffvhuff_decoder_select="dsputil"
 ffvhuff_encoder_select="dsputil huffman"
 flac_decoder_select="golomb"
 flac_encoder_select="dsputil golomb lpc"
-flashsv_decoder_select="zlib"
-flashsv_encoder_select="zlib"
-flashsv2_decoder_select="zlib"
+flashsv_decoder_deps="zlib"
+flashsv_encoder_deps="zlib"
+flashsv2_decoder_deps="zlib"
 flv_decoder_select="h263_decoder"
 flv_encoder_select="h263_encoder"
 fourxm_decoder_select="dsputil"
 fraps_decoder_select="dsputil huffman"
-g2m_decoder_select="dsputil zlib"
+g2m_decoder_deps="zlib"
+g2m_decoder_select="dsputil"
 h261_decoder_select="error_resilience mpegvideo"
 h261_encoder_select="aandcttables mpegvideoenc"
-h263_decoder_select="error_resilience h263_parser mpegvideo"
-h263_encoder_select="aandcttables mpegvideoenc"
+h263_decoder_select="error_resilience h263_parser h263dsp mpegvideo"
+h263_encoder_select="aandcttables h263dsp mpegvideoenc"
 h263i_decoder_select="h263_decoder"
 h263p_encoder_select="h263_encoder"
 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
 h264_decoder_suggest="error_resilience"
+hevc_decoder_select="dsputil golomb videodsp"
 huffyuv_decoder_select="dsputil"
 huffyuv_encoder_select="dsputil huffman"
 iac_decoder_select="dsputil fft mdct sinewin"
@@ -1604,6 +1671,7 @@ lagarith_decoder_select="dsputil"
 ljpeg_encoder_select="aandcttables mpegvideoenc"
 loco_decoder_select="golomb"
 mdec_decoder_select="dsputil error_resilience mpegvideo"
+metasound_decoder_select="lsp mdct sinewin"
 mimic_decoder_select="dsputil hpeldsp"
 mjpeg_decoder_select="dsputil hpeldsp"
 mjpegb_decoder_select="dsputil hpeldsp"
@@ -1640,17 +1708,19 @@ mxpeg_decoder_select="dsputil hpeldsp"
 nellymoser_decoder_select="mdct sinewin"
 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
 nuv_decoder_select="dsputil lzo"
-png_decoder_select="dsputil zlib"
-png_encoder_select="dsputil zlib"
+png_decoder_deps="zlib"
+png_decoder_select="dsputil"
+png_encoder_deps="zlib"
+png_encoder_select="dsputil"
 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="error_resilience h263_decoder"
+rv10_decoder_select="error_resilience h263_decoder h263dsp"
 rv10_encoder_select="h263_encoder"
-rv20_decoder_select="error_resilience h263_decoder"
+rv20_decoder_select="error_resilience h263_decoder h263dsp"
 rv20_encoder_select="h263_encoder"
 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
@@ -1669,7 +1739,7 @@ thp_decoder_select="dsputil hpeldsp"
 truehd_decoder_select="mlp_decoder"
 truemotion2_decoder_select="dsputil"
 truespeech_decoder_select="dsputil"
-tscc_decoder_select="zlib"
+tscc_decoder_deps="zlib"
 twinvq_decoder_select="mdct lsp sinewin"
 utvideo_decoder_select="dsputil"
 utvideo_encoder_select="dsputil huffman"
@@ -1684,6 +1754,8 @@ vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
 vp6a_decoder_select="vp6_decoder"
 vp6f_decoder_select="vp6_decoder"
 vp8_decoder_select="h264pred videodsp"
+vp9_decoder_select="videodsp"
+webp_decoder_select="vp8_decoder"
 wmapro_decoder_select="mdct sinewin"
 wmav1_decoder_select="mdct sinewin"
 wmav1_encoder_select="mdct sinewin"
@@ -1696,11 +1768,11 @@ wmv2_decoder_select="h263_decoder videodsp"
 wmv2_encoder_select="h263_encoder"
 wmv3_decoder_select="vc1_decoder"
 wmv3image_decoder_select="wmv3_decoder"
-zerocodec_decoder_select="zlib"
-zlib_decoder_select="zlib"
-zlib_encoder_select="zlib"
-zmbv_decoder_select="zlib"
-zmbv_encoder_select="zlib"
+zerocodec_decoder_deps="zlib"
+zlib_decoder_deps="zlib"
+zlib_encoder_deps="zlib"
+zmbv_decoder_deps="zlib"
+zmbv_encoder_deps="zlib"
 
 # hardware accelerators
 dxva2_deps="dxva2api_h"
@@ -1752,6 +1824,7 @@ vc1_parser_select="mpegvideo"
 # external libraries
 libfaac_encoder_deps="libfaac"
 libfaac_encoder_select="audio_frame_queue"
+libfdk_aac_decoder_deps="libfdk_aac"
 libfdk_aac_encoder_deps="libfdk_aac"
 libfdk_aac_encoder_select="audio_frame_queue"
 libgsm_decoder_deps="libgsm"
@@ -1804,7 +1877,10 @@ caf_demuxer_select="riffdec"
 dirac_demuxer_select="dirac_parser"
 dxa_demuxer_select="riffdec"
 eac3_demuxer_select="ac3_parser"
+f4v_muxer_select="mov_muxer"
 flac_demuxer_select="flac_parser"
+hds_muxer_select="flv_muxer"
+hls_muxer_select="mpegts_muxer"
 ipod_muxer_select="mov_muxer"
 ismv_muxer_select="mov_muxer"
 matroska_audio_muxer_select="matroska_muxer"
@@ -1836,7 +1912,7 @@ spdif_muxer_select="aac_parser"
 tak_demuxer_select="tak_parser"
 tg2_muxer_select="mov_muxer"
 tgp_muxer_select="mov_muxer"
-w64_demuxer_deps="wav_demuxer"
+w64_demuxer_select="wav_demuxer"
 wav_demuxer_select="riffdec"
 wav_muxer_select="riffenc"
 webm_muxer_select="riffenc"
@@ -1848,7 +1924,8 @@ xwma_demuxer_select="riffdec"
 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
 alsa_outdev_deps="alsa_asoundlib_h"
 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
-dv1394_indev_deps="dv1394 dv_demuxer"
+dv1394_indev_deps="dv1394"
+dv1394_indev_select="dv_demuxer"
 fbdev_indev_deps="linux_fb_h"
 jack_indev_deps="jack_jack_h pthreads"
 libcdio_indev_deps="libcdio"
@@ -1916,6 +1993,10 @@ ocv_filter_deps="libopencv"
 scale_filter_deps="swscale"
 yadif_filter_deps="gpl"
 
+# examples
+output_example_deps="avcodec avformat avutil swscale"
+transcode_aac_example_deps="avcodec avformat avresample"
+
 # libraries
 avcodec_deps="avutil"
 avdevice_deps="avutil avcodec avformat"
@@ -1936,7 +2017,9 @@ avserver_deps="avformat fork !shared"
 avserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
 avserver_extralibs='$ldl'
 
-doc_deps="texi2html"
+# documentation
+pod2man_deps="doc"
+texi2html_deps="doc"
 
 # default parameters
 
@@ -1946,6 +2029,7 @@ logfile="config.log"
 prefix_default="/usr/local"
 bindir_default='${prefix}/bin'
 datadir_default='${prefix}/share/avconv'
+docdir_default='${prefix}/share/doc/libav'
 incdir_default='${prefix}/include'
 libdir_default='${prefix}/lib'
 mandir_default='${prefix}/share/man'
@@ -1961,6 +2045,7 @@ nm_default="nm -g"
 objformat="elf"
 pkg_config_default=pkg-config
 ranlib="ranlib"
+strip="strip"
 yasmexe="yasm"
 
 nogas=":"
@@ -1974,7 +2059,7 @@ target_os_default=$(tolower $(uname -s))
 host_os=$target_os_default
 
 # configurable options
-enable $LIBRARY_LIST $PROGRAM_LIST
+enable $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST
 
 enable asm
 enable debug
@@ -2015,11 +2100,12 @@ LD_O='-o $@'
 LD_LIB='-l%'
 LD_PATH='-L'
 HOSTCC_C='-c'
+HOSTCC_E='-E -o $@'
 HOSTCC_O='-o $@'
 HOSTLD_O='-o $@'
 
 host_cflags='-O3 -g'
-host_cppflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600'
+host_cppflags='-D_ISOC99_SOURCE'
 host_libs='-lm'
 host_cflags_filter=echo
 host_ldflags_filter=echo
@@ -2219,6 +2305,7 @@ cc_default="${cross_prefix}${cc_default}"
 nm_default="${cross_prefix}${nm_default}"
 pkg_config_default="${cross_prefix}${pkg_config_default}"
 ranlib="${cross_prefix}${ranlib}"
+strip="${cross_prefix}${strip}"
 
 sysinclude_default="${sysroot}/usr/include"
 
@@ -2252,23 +2339,44 @@ case "$toolchain" in
         target_exec_args="--track-origins=yes --leak-check=full"
     ;;
     msvc)
-        cc_default="c99wrap cl"
-        ld_default="c99wrap link"
+        # Check whether the current MSVC version needs the C99 converter.
+        # From MSVC 2013 (compiler major version 18) onwards, it does actually
+        # support enough of C99 to build libav. Default to the new
+        # behaviour if the regexp was unable to match anything, since this
+        # successfully parses the version number of existing supported
+        # versions that require the converter (MSVC 2010 and 2012).
+        cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
+        if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
+            cc_default="cl"
+        else
+            cc_default="c99wrap cl"
+        fi
+        ld_default="link"
         nm_default="dumpbin -symbols"
         ar_default="lib"
         target_os_default="win32"
+        # Use a relative path for TMPDIR. This makes sure all the
+        # ffconf temp files are written with a relative path, avoiding
+        # issues with msys/win32 path conversion for MSVC parameters
+        # such as -Fo<file> or -out:<file>.
+        TMPDIR=.
     ;;
     icl)
-        cc_default="c99wrap -noconv icl"
-        ld_default="c99wrap xilink"
+        cc_default="icl"
+        ld_default="xilink"
         nm_default="dumpbin -symbols"
         ar_default="xilib"
         target_os_default="win32"
+        TMPDIR=.
     ;;
     gcov)
         add_cflags  -fprofile-arcs -ftest-coverage
         add_ldflags -fprofile-arcs -ftest-coverage
     ;;
+    hardened)
+        add_cflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all
+        add_ldflags -Wl,-z,relro -Wl,-z,now
+    ;;
     ?*)
         die "Unknown toolchain $toolchain"
     ;;
@@ -2359,6 +2467,18 @@ ccc_flags(){
    done
 }
 
+cparser_flags(){
+    for flag; do
+        case $flag in
+            -Wno-switch)             echo -Wno-switch-enum ;;
+            -Wno-format-zero-length) ;;
+            -Wdisabled-optimization) ;;
+            -Wno-pointer-sign)       echo -Wno-other ;;
+            *)                       echo $flag ;;
+        esac
+    done
+}
+
 msvc_common_flags(){
     for flag; do
         case $flag in
@@ -2392,7 +2512,7 @@ msvc_flags(){
             -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389     \
                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
-                                       -wd4996 -wd4273 ;;
+                                       -wd4273 ;;
         esac
     done
 }
@@ -2603,20 +2723,18 @@ probe_cc(){
         _DEPFLAGS='$(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 $@'
+            _ld_o='-out:$@'
         else
             _ld_o='-Fe$@'
         fi
-        _cc_o='-Fo $@'
-        _cc_e='-P -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'
+        _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
         if [ $pfx = hostcc ]; then
             append _cflags -Dsnprintf=_snprintf
         fi
@@ -2628,14 +2746,12 @@ probe_cc(){
         # versions (tested) as well.
         _cflags_speed="-O2"
         _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
-        # 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 $@'
+            _ld_o='-out:$@'
         else
             _ld_o='-Fe$@'
         fi
-        _cc_o='-Fo $@'
+        _cc_o='-Fo$@'
         _cc_e='-P'
         _flags_filter=icl_flags
         _ld_lib='lib%.a'
@@ -2648,6 +2764,13 @@ probe_cc(){
         if [ $pfx = hostcc ]; then
             append _cflags -Dsnprintf=_snprintf
         fi
+    elif $_cc --version 2>/dev/null | grep -q ^cparser; then
+        _type=cparser
+        _ident=$($_cc --version | head -n1)
+        _depflags='-MMD'
+        _cflags_speed='-O4'
+        _cflags_size='-O2'
+        _flags_filter=cparser_flags
     fi
 
     eval ${pfx}_type=\$_type
@@ -3081,7 +3204,6 @@ case $target_os in
         SHFLAGS='-shared -Wl,-h,$$(@F)'
         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
         network_extralibs="-lsocket -lnsl"
-        add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
         # When using suncc to build, the Solaris linker will mark
         # an executable with each instruction set encountered by
         # the Solaris assembler.  As our libraries contain their own
@@ -3158,11 +3280,12 @@ case $target_os in
         enable dos_paths
         ;;
     win32|win64)
+        disable symver
         if enabled shared; then
             # Link to the import library instead of the normal static library
             # for shared libs.
             LD_LIB='%.lib'
-            # Cannot build shared and static libs at the same time with MSVC.
+            # Cannot build both shared and static libs with MSVC or icl.
             disable static
         fi
         shlibdir_default="$bindir_default"
@@ -3170,7 +3293,7 @@ case $target_os in
         SLIBSUF=".dll"
         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
-        SLIB_CREATE_DEF_CMD='makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
+        SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
         SLIB_INSTALL_LINKS=
         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
@@ -3276,49 +3399,69 @@ esac
 
 # determine libc flavour
 
-# uclibc defines __GLIBC__, so it needs to be checked before glibc.
-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
-# MinGW headers can be installed on Cygwin, so check for newlib first.
-elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
-    libc_type=newlib
-    add_cppflags -U__STRICT_ANSI__
-elif check_header _mingw.h; then
-    libc_type=mingw
-    check_cpp_condition _mingw.h \
-        "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
+probe_libc(){
+    pfx=$1
+    # uclibc defines __GLIBC__, so it needs to be checked before glibc.
+    if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
+        eval ${pfx}libc_type=uclibc
+        add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
+    elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
+        eval ${pfx}libc_type=glibc
+        add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
+    # MinGW headers can be installed on Cygwin, so check for newlib first.
+    elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
+        eval ${pfx}libc_type=newlib
+        add_${pfx}cppflags -U__STRICT_ANSI__
+    # MinGW64 is backwards compatible with MinGW32, so check for it first.
+    elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
+        eval ${pfx}libc_type=mingw64
+        add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
+    elif check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
+        eval ${pfx}libc_type=mingw32
+        check_${pfx}cpp_condition _mingw.h "__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__
-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
-    # 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
-elif check_cpp_condition sys/cdefs.h "defined __BIONIC__"; then
-    libc_type=bionic
-    add_compat strtod.o strtod=avpriv_strtod
-fi
+            die "ERROR: MinGW32 runtime version must be >= 3.15."
+        add_${pfx}cppflags -U__STRICT_ANSI__
+    elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
+        eval ${pfx}libc_type=msvcrt
+        # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
+        # 0x601 by default unless something else is set by the user.
+        # This can easily lead to us detecting functions only present
+        # in such new versions and producing binaries requiring windows 7.0.
+        # Therefore explicitly set the default to XP unless the user has
+        # set something else on the command line.
+        check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
+            add_${pfx}cppflags -D_WIN32_WINNT=0x0502
+    elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
+        eval ${pfx}libc_type=klibc
+    elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
+        eval ${pfx}libc_type=bionic
+    elif check_${pfx}cpp_condition sys/brand.h "defined SOLARIS_BRAND_NAME"; then
+        eval ${pfx}libc_type=solaris
+        add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
+    fi
+}
+
+probe_libc
+test -n "$libc_type" && enable libc_$libc_type
+probe_libc host_
+test -n "$host_libc_type" && enable host_libc_$host_libc_type
 
-test -n "$libc_type" && enable $libc_type
+case $libc_type in
+    bionic)
+        add_compat strtod.o strtod=avpriv_strtod
+        ;;
+    msvcrt)
+        add_compat strtod.o strtod=avpriv_strtod
+        add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf   \
+                                     _snprintf=avpriv_snprintf  \
+                                     vsnprintf=avpriv_vsnprintf
+        ;;
+esac
 
 # hacks for compiler/libc/os combinations
 
-if enabled_all tms470 glibc; then
+if enabled_all tms470 libc_glibc; then
     CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
     add_cppflags -D__USER_LABEL_PREFIX__=
     add_cppflags -D__builtin_memset=memset
@@ -3326,7 +3469,7 @@ if enabled_all tms470 glibc; then
     add_cflags   -pds=48    # incompatible redefinition of macro
 fi
 
-if enabled_all ccc glibc; then
+if enabled_all ccc libc_glibc; then
     add_ldflags -Wl,-z,now  # calls to libots crash without this
 fi
 
@@ -3557,10 +3700,10 @@ EOF
             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
         esac
 
-        check_yasm "vextractf128 xmm0, ymm0, 0" && enable yasm ||
-            die "yasm not found, use --disable-yasm for a crippled build"
+        check_yasm "movbe ecx, [5]" && enable yasm ||
+            die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
         check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
-        check_yasm "CPU amdnop" && enabled i686 && enable cpunop
+        check_yasm "CPU amdnop" && enable cpunop
     fi
 
     case "$cpu" in
@@ -3701,17 +3844,17 @@ fi
 # do this before the optional library checks as some of them require pthreads
 if ! disabled pthreads && ! enabled w32threads; then
     enable pthreads
-    if check_func pthread_create; then
+    if check_func pthread_join; then
         :
-    elif check_func pthread_create -pthread; then
+    elif check_func pthread_join -pthread; then
         add_cflags -pthread
         add_extralibs -pthread
-    elif check_func pthread_create -pthreads; then
+    elif check_func pthread_join -pthreads; then
         add_cflags -pthreads
         add_extralibs -pthreads
-    elif check_func pthread_create -lpthreadGC2; then
+    elif check_func pthread_join -lpthreadGC2; then
         add_extralibs -lpthreadGC2
-    elif ! check_lib pthread.h pthread_create -lpthread; then
+    elif ! check_lib pthread.h pthread_join -lpthread; then
         disable pthreads
     fi
 fi
@@ -3740,7 +3883,9 @@ for func in $MATH_FUNCS; do
 done
 
 # these are off by default, so fail if requested and not available
-enabled avisynth          && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
+enabled avisynth          && { { check_header "avisynth/avisynth_c.h" && check_lib2 "windows.h" LoadLibrary; } ||
+                               { check_header "avxsynth/avxsynth_c.h" && check_lib2 "dlfcn.h" dlopen -ldl; } ||
+                               die "ERROR: LoadLibrary/dlopen not found, or avisynth header not found"; }
 enabled frei0r            && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
 enabled gnutls            && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
 enabled libfaac           && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
@@ -3802,6 +3947,7 @@ if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
     enable sdl
 fi
 
+pod2man --help     > /dev/null 2>&1 && enable pod2man   || disable pod2man
 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
 
 check_header linux/fb.h
@@ -3841,27 +3987,29 @@ if enabled libcdio; then
     check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio
 fi
 
+check_lib X11/Xlib.h XOpenDisplay -lX11 && enable xlib
+
 enabled x11grab                                           &&
-require X11 X11/Xlib.h XOpenDisplay -lX11                 &&
 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
-require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
+require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes &&
+{ enabled xlib || die "ERROR: Xlib not found"; }
 
 enabled vdpau &&
     check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
     disable vdpau
 
+enabled vdpau && enabled xlib &&
+    check_lib2 "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
+    enable vdpau_x11
+
 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
 
 # add some useful compiler flags if supported
 check_cflags -Wdeclaration-after-statement
 check_cflags -Wall
-check_cflags -Wno-parentheses
-check_cflags -Wno-switch
-check_cflags -Wno-format-zero-length
 check_cflags -Wdisabled-optimization
 check_cflags -Wpointer-arith
 check_cflags -Wredundant-decls
-check_cflags -Wno-pointer-sign
 check_cflags -Wcast-qual
 check_cflags -Wwrite-strings
 check_cflags -Wtype-limits
@@ -3870,18 +4018,32 @@ check_cflags -Wmissing-prototypes
 check_cflags -Wstrict-prototypes
 enabled extra_warnings && check_cflags -Winline
 
+check_disable_warning(){
+    warning_flag=-W${1#-Wno-}
+    test_cflags $warning_flag && add_cflags $1
+}
+
+check_disable_warning -Wno-parentheses
+check_disable_warning -Wno-switch
+check_disable_warning -Wno-format-zero-length
+check_disable_warning -Wno-pointer-sign
+
 # add some linker flags
 check_ldflags -Wl,--warn-common
 check_ldflags -Wl,-rpath-link=libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
 
+# add some strip flags
+# -wN '..@*' is more selective than -x, but not available everywhere.
+check_stripflags -wN \'..@*\' || check_stripflags -x || strip='true'
+
 enabled xmm_clobber_test &&
     check_ldflags -Wl,--wrap,avcodec_open2              \
                   -Wl,--wrap,avcodec_decode_audio4      \
                   -Wl,--wrap,avcodec_decode_video2      \
                   -Wl,--wrap,avcodec_decode_subtitle2   \
                   -Wl,--wrap,avcodec_encode_audio2      \
-                  -Wl,--wrap,avcodec_encode_video       \
+                  -Wl,--wrap,avcodec_encode_video2      \
                   -Wl,--wrap,avcodec_encode_subtitle    \
                   -Wl,--wrap,sws_scale ||
     disable xmm_clobber_test
@@ -3960,6 +4122,7 @@ elif enabled gcc; then
     check_cflags -Werror=return-type
     check_cflags -Werror=declaration-after-statement
     check_cflags -Werror=vla
+    enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
 elif enabled llvm_gcc; then
     check_cflags -mllvm -stack-alignment=16
 elif enabled clang; then
@@ -3968,6 +4131,9 @@ elif enabled clang; then
     check_cflags -Werror=implicit-function-declaration
     check_cflags -Werror=missing-prototypes
     check_cflags -Werror=return-type
+elif enabled cparser; then
+    add_cflags -Wno-missing-variable-declarations
+    add_cflags -Wno-empty-statement
 elif enabled armcc; then
     # 2523: use of inline assembler is deprecated
     add_cflags -W${armcc_opt},--diag_suppress=2523
@@ -3978,15 +4144,19 @@ elif enabled armcc; then
     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
 elif enabled tms470; then
     add_cflags -pds=824 -pds=837
+    disable inline_asm
 elif enabled pathscale; then
     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
 elif enabled_any msvc icl; then
     enabled x86_32 && disable aligned_stack
     enabled_all x86_32 debug && add_cflags -Oy-
     enabled debug && add_ldflags -debug
+    enable pragma_deprecated
     if enabled icl; then
-        # basically -fstrict-aliasing that does not work (correctly) on icl 13.x
-        check_cpp_condition "windows.h" "__ICL < 1300" && add_cflags -Qansi-alias
+        # -Qansi-alias is basically -fstrict-aliasing, but does not work
+        # (correctly) on icl 13.x.
+        check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
+            add_cflags -Qansi-alias
         # icl will pass the inline asm tests but inline asm is currently
         # not supported (build will fail)
         disable inline_asm
@@ -4018,6 +4188,11 @@ check_deps $CONFIG_LIST       \
 echo "install prefix            $prefix"
 echo "source path               $source_path"
 echo "C compiler                $cc"
+echo "C library                 $libc_type"
+if test "$host_cc" != "$cc"; then
+    echo "host C compiler           $host_cc"
+    echo "host C library            $host_libc_type"
+fi
 echo "ARCH                      $arch ($cpu)"
 if test "$build_suffix" != ""; then
     echo "build suffix              $build_suffix"
@@ -4097,7 +4272,7 @@ echo "License: $license"
 
 echo "Creating config.mak and config.h..."
 
-test -e Makefile || $ln_s "$source_path/Makefile" .
+test -e Makefile || echo "include $source_path/Makefile" > Makefile
 
 config_files="$TMPH config.mak"
 
@@ -4110,6 +4285,7 @@ SHLIBDIR=\$(DESTDIR)$shlibdir
 INCDIR=\$(DESTDIR)$incdir
 BINDIR=\$(DESTDIR)$bindir
 DATADIR=\$(DESTDIR)$datadir
+DOCDIR=\$(DESTDIR)$docdir
 MANDIR=\$(DESTDIR)$mandir
 SRC_PATH=$source_path
 CC_IDENT=$cc_ident
@@ -4127,6 +4303,7 @@ AR=$ar
 ARFLAGS=$arflags
 AR_O=$ar_o
 RANLIB=$ranlib
+STRIP=$strip
 LN_S=$ln_s
 CPPFLAGS=$CPPFLAGS
 CFLAGS=$CFLAGS
@@ -4142,6 +4319,7 @@ LD_PATH=$LD_PATH
 DLLTOOL=$dlltool
 LDFLAGS=$LDFLAGS
 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
+STRIPFLAGS=$STRIPFLAGS
 YASMFLAGS=$YASMFLAGS
 BUILDSUF=$build_suffix
 FULLNAME=$FULLNAME