[FFmpeg-cvslog] Merge commit 'd66fe7ff53a5cade7a702100a9006dfe5ae1c473'

James Almer git at videolan.org
Sat Nov 11 20:49:50 EET 2017


ffmpeg | branch: master | James Almer <jamrial at gmail.com> | Sat Nov 11 15:35:32 2017 -0300| [93ccba96df6340249b0db227d5bc3297010797a4] | committer: James Almer

Merge commit 'd66fe7ff53a5cade7a702100a9006dfe5ae1c473'

* commit 'd66fe7ff53a5cade7a702100a9006dfe5ae1c473':
  configure: Add test_pkg_config()

Merged-by: James Almer <jamrial at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=93ccba96df6340249b0db227d5bc3297010797a4
---

 configure | 64 +++++++++++++++++++++++++++++++--------------------------------
 1 file changed, 32 insertions(+), 32 deletions(-)

diff --git a/configure b/configure
index d949fecbef..f73f7850c0 100755
--- a/configure
+++ b/configure
@@ -1269,8 +1269,8 @@ check_lib_cpp(){
         enable $name && eval ${name}_extralibs="\$@"
 }
 
-check_pkg_config(){
-    log check_pkg_config "$@"
+test_pkg_config(){
+    log test_pkg_config "$@"
     name="$1"
     pkg_version="$2"
     pkg="${2%% *}"
@@ -1287,6 +1287,13 @@ check_pkg_config(){
         set_sanitized "${name}_extralibs" $pkg_libs
 }
 
+check_pkg_config(){
+    log check_pkg_config "$@"
+    name="$1"
+    test_pkg_config "$@" &&
+        eval add_cflags \$${name}_cflags
+}
+
 check_exec(){
     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
 }
@@ -1395,17 +1402,10 @@ require_cpp_condition(){
     check_cpp_condition "$header" "$condition" "$@" || die "ERROR: $condition not satisfied"
 }
 
-use_pkg_config(){
-    log use_pkg_config "$@"
-    name="$1"
-    check_pkg_config "$@" || return 1
-    add_cflags    $(get_sanitized "${name}_cflags")
-}
-
 require_pkg_config(){
     log require_pkg_config "$@"
     pkg_version="$2"
-    use_pkg_config "$@" || die "ERROR: $pkg_version not found using pkg-config$pkg_config_fail_message"
+    check_pkg_config "$@" || die "ERROR: $pkg_version not found using pkg-config$pkg_config_fail_message"
 }
 
 hostcc_e(){
@@ -5965,7 +5965,7 @@ enabled libcelt           && require libcelt celt/celt.h celt_decode -lcelt0 &&
 enabled libcaca           && require_pkg_config libcaca caca caca.h caca_create_canvas
 enabled libdc1394         && require_pkg_config libdc1394 libdc1394-2 dc1394/dc1394.h dc1394_new
 enabled libdrm            && require_pkg_config libdrm libdrm xf86drm.h drmGetVersion
-enabled libfdk_aac        && { use_pkg_config libfdk_aac fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
+enabled libfdk_aac        && { check_pkg_config libfdk_aac fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
                                { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&
                                  warn "using libfdk without pkg-config"; } }
 flite_extralibs="-lflite_cmu_time_awb -lflite_cmu_us_awb -lflite_cmu_us_kal -lflite_cmu_us_kal16 -lflite_cmu_us_rms -lflite_cmu_us_slt -lflite_usenglish -lflite_cmulex -lflite"
@@ -5974,7 +5974,7 @@ enabled fontconfig        && enable libfontconfig
 enabled libfontconfig     && require_pkg_config libfontconfig fontconfig "fontconfig/fontconfig.h" FcInit
 enabled libfreetype       && require_pkg_config libfreetype freetype2 "ft2build.h FT_FREETYPE_H" FT_Init_FreeType
 enabled libfribidi        && require_pkg_config libfribidi fribidi fribidi.h fribidi_version_info
-enabled libgme            && { use_pkg_config libgme libgme gme/gme.h gme_new_emu ||
+enabled libgme            && { check_pkg_config libgme libgme gme/gme.h gme_new_emu ||
                                require libgme gme/gme.h gme_new_emu -lgme -lstdc++; }
 enabled libgsm            && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
                                    check_lib libgsm "${gsm_hdr}" gsm_create -lgsm && break;
@@ -5987,7 +5987,7 @@ enabled libkvazaar        && require_pkg_config libkvazaar "kvazaar >= 0.8.1" kv
 # Media SDK or Intel Media Server Studio, these don't come with
 # pkg-config support.  Instead, users should make sure that the build
 # can find the libraries and headers through other means.
-enabled libmfx            && { use_pkg_config libmfx libmfx "mfx/mfxvideo.h" MFXInit ||
+enabled libmfx            && { check_pkg_config libmfx libmfx "mfx/mfxvideo.h" MFXInit ||
                                { require libmfx "mfx/mfxvideo.h" MFXInit "-llibmfx $advapi32_extralibs" && warn "using libmfx without pkg-config"; } }
 enabled libmodplug        && require_pkg_config libmodplug libmodplug libmodplug/modplug.h ModPlug_Load
 enabled libmp3lame        && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
@@ -5998,11 +5998,11 @@ enabled libnpp            && { check_lib libnpp npp.h nppGetLibVersion -lnppig -
 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
 enabled libopencv         && { check_header opencv2/core/core_c.h &&
-                               { use_pkg_config libopencv opencv opencv2/core/core_c.h cvCreateImageHeader ||
+                               { check_pkg_config libopencv opencv opencv2/core/core_c.h cvCreateImageHeader ||
                                  require libopencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } ||
                                require_pkg_config libopencv opencv opencv/cxcore.h cvCreateImageHeader; }
 enabled libopenh264       && require_pkg_config libopenh264 openh264 wels/codec_api.h WelsGetCodecVersion
-enabled libopenjpeg       && { use_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version ||
+enabled libopenjpeg       && { check_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version ||
                                { require_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } }
 enabled libopenmpt        && require_pkg_config libopenmpt "libopenmpt >= 0.2.6557" libopenmpt/libopenmpt.h openmpt_module_create -lstdc++ && append libopenmpt_extralibs "-lstdc++"
 enabled libopus           && {
@@ -6018,7 +6018,7 @@ enabled librsvg           && require_pkg_config librsvg librsvg-2.0 librsvg-2.0/
 enabled librtmp           && require_pkg_config librtmp librtmp librtmp/rtmp.h RTMP_Socket
 enabled librubberband     && require_pkg_config librubberband "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new -lstdc++ && append librubberband_extralibs "-lstdc++"
 enabled libshine          && require_pkg_config libshine shine shine/layer3.h shine_encode_buffer
-enabled libsmbclient      && { use_pkg_config libsmbclient smbclient libsmbclient.h smbc_init ||
+enabled libsmbclient      && { check_pkg_config libsmbclient smbclient libsmbclient.h smbc_init ||
                                require libsmbclient libsmbclient.h smbc_init -lsmbclient; }
 enabled libsnappy         && require libsnappy snappy-c.h snappy_compress -lsnappy -lstdc++
 enabled libsoxr           && require libsoxr soxr.h soxr_create -lsoxr
@@ -6038,21 +6038,21 @@ enabled libvorbis         && require_pkg_config libvorbis vorbis vorbis/codec.h
 
 enabled libvpx            && {
     enabled libvpx_vp8_decoder && {
-        use_pkg_config libvpx_vp8_decoder "vpx >= 0.9.1" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
+        check_pkg_config libvpx_vp8_decoder "vpx >= 0.9.1" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
             check_lib libvpx_vp8_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
                 die "ERROR: libvpx decoder version must be >=0.9.1";
     }
     enabled libvpx_vp8_encoder && {
-        use_pkg_config libvpx_vp8_encoder "vpx >= 0.9.7" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
+        check_pkg_config libvpx_vp8_encoder "vpx >= 0.9.7" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
             check_lib libvpx_vp8_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||
                 die "ERROR: libvpx encoder version must be >=0.9.7";
     }
     enabled libvpx_vp9_decoder && {
-        use_pkg_config libvpx_vp9_decoder "vpx >= 1.3.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
+        check_pkg_config libvpx_vp9_decoder "vpx >= 1.3.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
             check_lib libvpx_vp9_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx
     }
     enabled libvpx_vp9_encoder && {
-        use_pkg_config libvpx_vp9_encoder "vpx >= 1.3.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
+        check_pkg_config libvpx_vp9_encoder "vpx >= 1.3.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
             check_lib libvpx_vp9_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx
     }
     if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
@@ -6063,8 +6063,8 @@ enabled libvpx            && {
 enabled libwavpack        && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput  -lwavpack
 enabled libwebp           && {
     enabled libwebp_encoder      && require_pkg_config libwebp "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
-    enabled libwebp_anim_encoder && use_pkg_config libwebp_anim_encoder "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit; }
-enabled libx264           && { use_pkg_config libx264 x264 "stdint.h x264.h" x264_encoder_encode ||
+    enabled libwebp_anim_encoder && check_pkg_config libwebp_anim_encoder "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit; }
+enabled libx264           && { check_pkg_config libx264 x264 "stdint.h x264.h" x264_encoder_encode ||
                                { require libx264 "stdint.h x264.h" x264_encoder_encode -lx264 &&
                                  warn "using libx264 without pkg-config"; } } &&
                              require_cpp_condition x264.h "X264_BUILD >= 118" &&
@@ -6109,8 +6109,8 @@ enabled omx               && require_header OMX_Core.h
 enabled omx_rpi           && { check_header OMX_Core.h ||
                                { ! enabled cross_compile && add_cflags -isystem/opt/vc/include/IL && check_header OMX_Core.h ; } ||
                                die "ERROR: OpenMAX IL headers not found"; } && enable omx
-enabled openssl           && { use_pkg_config openssl openssl openssl/ssl.h OPENSSL_init_ssl ||
-                               use_pkg_config openssl openssl openssl/ssl.h SSL_library_init ||
+enabled openssl           && { check_pkg_config openssl openssl openssl/ssl.h OPENSSL_init_ssl ||
+                               check_pkg_config openssl openssl openssl/ssl.h SSL_library_init ||
                                check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto ||
                                check_lib openssl openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
                                check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
@@ -6138,7 +6138,7 @@ fi
 
 if enabled sdl2; then
     SDL2_CONFIG="${cross_prefix}sdl2-config"
-    if check_pkg_config sdl2 "sdl2 >= 2.0.1 sdl2 < 2.1.0" SDL_events.h SDL_PollEvent; then
+    if test_pkg_config sdl2 "sdl2 >= 2.0.1 sdl2 < 2.1.0" SDL_events.h SDL_PollEvent; then
         check_func SDL_Init $sdl2_extralibs $sdl2_cflags ||
             disable sdl2
     elif "${SDL2_CONFIG}" --version > /dev/null 2>&1; then
@@ -6228,7 +6228,7 @@ EOF
 fi
 check_header soundcard.h
 
-enabled alsa && use_pkg_config alsa alsa "alsa/asoundlib.h" snd_pcm_htimestamp ||
+enabled alsa && check_pkg_config alsa alsa "alsa/asoundlib.h" snd_pcm_htimestamp ||
     check_lib alsa alsa/asoundlib.h snd_pcm_htimestamp -lasound
 
 enabled libjack &&
@@ -6237,20 +6237,20 @@ enabled libjack &&
 enabled sndio && check_lib sndio sndio.h sio_open -lsndio
 
 if enabled libcdio; then
-    use_pkg_config libcdio libcdio_paranoia "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open ||
-    use_pkg_config libcdio libcdio_paranoia "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open ||
+    check_pkg_config libcdio libcdio_paranoia "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open ||
+    check_pkg_config libcdio libcdio_paranoia "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open ||
     check_lib libcdio "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
     check_lib libcdio "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
     die "ERROR: No usable libcdio/cdparanoia found"
 fi
 
-enabled libxcb && use_pkg_config libxcb "xcb >= 1.4" xcb/xcb.h xcb_connect ||
+enabled libxcb && check_pkg_config libxcb "xcb >= 1.4" xcb/xcb.h xcb_connect ||
     disable libxcb_shm libxcb_shape libxcb_xfixes
 
 if enabled libxcb; then
-    enabled libxcb_shm    && use_pkg_config libxcb_shm    xcb-shm    xcb/shm.h    xcb_shm_attach
-    enabled libxcb_shape  && use_pkg_config libxcb_shape  xcb-shape  xcb/shape.h  xcb_shape_get_rectangles
-    enabled libxcb_xfixes && use_pkg_config libxcb_xfixes xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image
+    enabled libxcb_shm    && check_pkg_config libxcb_shm    xcb-shm    xcb/shm.h    xcb_shm_attach
+    enabled libxcb_shape  && check_pkg_config libxcb_shape  xcb-shape  xcb/shape.h  xcb_shape_get_rectangles
+    enabled libxcb_xfixes && check_pkg_config libxcb_xfixes xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image
 fi
 
 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"


======================================================================

diff --cc configure
index d949fecbef,aa87ac7279..f73f7850c0
--- a/configure
+++ b/configure
@@@ -1258,19 -1025,8 +1258,19 @@@ check_lib()
          enable $name && eval ${name}_extralibs="\$@"
  }
  
 +check_lib_cpp(){
 +    log check_lib_cpp "$@"
 +    name="$1"
 +    headers="$2"
 +    classes="$3"
 +    shift 3
 +    disable $name
 +    check_class_headers_cpp "$headers" "$classes" "$@" &&
 +        enable $name && eval ${name}_extralibs="\$@"
 +}
 +
- check_pkg_config(){
-     log check_pkg_config "$@"
+ test_pkg_config(){
+     log test_pkg_config "$@"
      name="$1"
      pkg_version="$2"
      pkg="${2%% *}"
@@@ -1287,8 -1043,15 +1287,15 @@@
          set_sanitized "${name}_extralibs" $pkg_libs
  }
  
+ check_pkg_config(){
+     log check_pkg_config "$@"
+     name="$1"
+     test_pkg_config "$@" &&
+         eval add_cflags \$${name}_cflags
+ }
+ 
  check_exec(){
 -    check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
 +    check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
  }
  
  check_exec_crash(){
@@@ -1398,14 -1153,7 +1405,7 @@@ require_cpp_condition()
  require_pkg_config(){
      log require_pkg_config "$@"
      pkg_version="$2"
-     use_pkg_config "$@" || die "ERROR: $pkg_version not found using pkg-config$pkg_config_fail_message"
 -    check_pkg_config "$@" || die "ERROR: $pkg_version not found"
++    check_pkg_config "$@" || die "ERROR: $pkg_version not found using pkg-config$pkg_config_fail_message"
  }
  
  hostcc_e(){
@@@ -5936,137 -4784,61 +5936,137 @@@ for func in $MATH_FUNCS; d
      eval check_mathfunc $func \${${func}_args:-1} $libm_extralibs
  done
  
 +for func in $COMPLEX_FUNCS; do
 +    eval check_complexfunc $func \${${func}_args:-1}
 +done
 +
  # these are off by default, so fail if requested and not available
 -enabled avisynth          && require_header avisynth/avisynth_c.h
 -enabled avxsynth          && require_header avxsynth/avxsynth_c.h
 -enabled cuda              && require cuda cuda.h cuInit -lcuda
 -enabled cuvid             && require cuvid cuviddec.h cuvidCreateDecoder -lnvcuvid
 +enabled cuda_sdk          && require cuda_sdk cuda.h cuCtxCreate -lcuda
 +enabled cuvid             && { enabled cuda ||
 +                               die "ERROR: CUVID requires CUDA"; }
 +enabled nvdec             && { enabled cuda ||
 +                               die "ERROR: NVDEC hwaccel requires CUDA"; }
 +enabled chromaprint       && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint
 +enabled decklink          && { require_header DeckLinkAPI.h &&
 +                               { check_cpp_condition DeckLinkAPIVersion.h "BLACKMAGIC_DECKLINK_API_VERSION >= 0x0a060100" || die "ERROR: Decklink API version must be >= 10.6.1."; } }
 +enabled libndi_newtek     && require_header Processing.NDI.Lib.h
  enabled frei0r            && require_header frei0r.h
 +enabled gmp               && require gmp gmp.h mpz_export -lgmp
  enabled gnutls            && require_pkg_config gnutls gnutls gnutls/gnutls.h gnutls_global_init
 +enabled jni               && { [ $target_os = "android" ] && check_header jni.h && enabled pthreads || die "ERROR: jni not found"; }
 +enabled ladspa            && require_header ladspa.h
 +enabled libiec61883       && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
 +enabled libass            && require_pkg_config libass libass ass/ass.h ass_library_init
 +enabled libbluray         && require_pkg_config libbluray libbluray libbluray/bluray.h bd_open
  enabled libbs2b           && require_pkg_config libbs2b libbs2b bs2b.h bs2b_open
 +enabled libcelt           && require libcelt celt/celt.h celt_decode -lcelt0 &&
 +                             { check_lib libcelt celt/celt.h celt_decoder_create_custom -lcelt0 ||
 +                               die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
 +enabled libcaca           && require_pkg_config libcaca caca caca.h caca_create_canvas
  enabled libdc1394         && require_pkg_config libdc1394 libdc1394-2 dc1394/dc1394.h dc1394_new
 -enabled libdcadec         && require libdcadec libdcadec/dca_context.h dcadec_context_create -ldcadec
 -enabled libfaac           && require libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
 -enabled libfdk_aac        && require_pkg_config libfdk_aac fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen
 +enabled libdrm            && require_pkg_config libdrm libdrm xf86drm.h drmGetVersion
- enabled libfdk_aac        && { use_pkg_config libfdk_aac fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
++enabled libfdk_aac        && { check_pkg_config libfdk_aac fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
 +                               { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&
 +                                 warn "using libfdk without pkg-config"; } }
 +flite_extralibs="-lflite_cmu_time_awb -lflite_cmu_us_awb -lflite_cmu_us_kal -lflite_cmu_us_kal16 -lflite_cmu_us_rms -lflite_cmu_us_slt -lflite_usenglish -lflite_cmulex -lflite"
 +enabled libflite          && require libflite "flite/flite.h" flite_init $flite_extralibs
 +enabled fontconfig        && enable libfontconfig
  enabled libfontconfig     && require_pkg_config libfontconfig fontconfig "fontconfig/fontconfig.h" FcInit
  enabled libfreetype       && require_pkg_config libfreetype freetype2 "ft2build.h FT_FREETYPE_H" FT_Init_FreeType
 +enabled libfribidi        && require_pkg_config libfribidi fribidi fribidi.h fribidi_version_info
- enabled libgme            && { use_pkg_config libgme libgme gme/gme.h gme_new_emu ||
++enabled libgme            && { check_pkg_config libgme libgme gme/gme.h gme_new_emu ||
 +                               require libgme gme/gme.h gme_new_emu -lgme -lstdc++; }
  enabled libgsm            && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
                                     check_lib libgsm "${gsm_hdr}" gsm_create -lgsm && break;
                                 done || die "ERROR: libgsm not found"; }
 -enabled libhdcd           && require_pkg_config libhdcd libhdcd "hdcd/hdcd_simple.h" hdcd_new
 -enabled libilbc           && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
 +enabled libilbc           && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc $pthreads_extralibs
  enabled libkvazaar        && require_pkg_config libkvazaar "kvazaar >= 0.8.1" kvazaar.h kvz_api_get
 -enabled libmfx            && require_pkg_config libmfx libmfx "mfx/mfxvideo.h" MFXInit
 +# While it may appear that require is being used as a pkg-config
 +# fallback for libmfx, it is actually being used to detect a different
 +# installation route altogether.  If libmfx is installed via the Intel
 +# Media SDK or Intel Media Server Studio, these don't come with
 +# pkg-config support.  Instead, users should make sure that the build
 +# can find the libraries and headers through other means.
- enabled libmfx            && { use_pkg_config libmfx libmfx "mfx/mfxvideo.h" MFXInit ||
++enabled libmfx            && { check_pkg_config libmfx libmfx "mfx/mfxvideo.h" MFXInit ||
 +                               { require libmfx "mfx/mfxvideo.h" MFXInit "-llibmfx $advapi32_extralibs" && warn "using libmfx without pkg-config"; } }
 +enabled libmodplug        && require_pkg_config libmodplug libmodplug libmodplug/modplug.h ModPlug_Load
  enabled libmp3lame        && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
 -enabled libnpp            && require libnpp npp.h nppGetLibVersion -lnppi -lnppc
 +enabled libmysofa         && require libmysofa "mysofa.h" mysofa_load -lmysofa $zlib_extralibs
 +enabled libnpp            && { check_lib libnpp npp.h nppGetLibVersion -lnppig -lnppicc -lnppc ||
 +                               check_lib libnpp npp.h nppGetLibVersion -lnppi -lnppc ||
 +                               die "ERROR: libnpp not found"; }
  enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
  enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
 -enabled libopencv         && require_pkg_config libopencv opencv opencv/cv.h cvCreateImageHeader
 +enabled libopencv         && { check_header opencv2/core/core_c.h &&
-                                { use_pkg_config libopencv opencv opencv2/core/core_c.h cvCreateImageHeader ||
++                               { check_pkg_config libopencv opencv opencv2/core/core_c.h cvCreateImageHeader ||
 +                                 require libopencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } ||
 +                               require_pkg_config libopencv opencv opencv/cxcore.h cvCreateImageHeader; }
  enabled libopenh264       && require_pkg_config libopenh264 openh264 wels/codec_api.h WelsGetCodecVersion
- enabled libopenjpeg       && { use_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version ||
 -enabled libopenjpeg       && { check_lib libopenjpeg openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
 -                               require_pkg_config libopenjpeg libopenjpeg1 openjpeg.h opj_version -DOPJ_STATIC; }
 -enabled libopus           && require_pkg_config libopus opus opus_multistream.h opus_multistream_decoder_create
 -enabled libpulse          && require_pkg_config libpulse libpulse-simple pulse/simple.h pa_simple_new
++enabled libopenjpeg       && { check_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version ||
 +                               { require_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } }
 +enabled libopenmpt        && require_pkg_config libopenmpt "libopenmpt >= 0.2.6557" libopenmpt/libopenmpt.h openmpt_module_create -lstdc++ && append libopenmpt_extralibs "-lstdc++"
 +enabled libopus           && {
 +    enabled libopus_decoder && {
 +        require_pkg_config libopus opus opus_multistream.h opus_multistream_decoder_create
 +    }
 +    enabled libopus_encoder && {
 +        require_pkg_config libopus opus opus_multistream.h opus_multistream_surround_encoder_create
 +    }
 +}
 +enabled libpulse          && require_pkg_config libpulse libpulse pulse/pulseaudio.h pa_context_new
 +enabled librsvg           && require_pkg_config librsvg librsvg-2.0 librsvg-2.0/librsvg/rsvg.h rsvg_handle_render_cairo
  enabled librtmp           && require_pkg_config librtmp librtmp librtmp/rtmp.h RTMP_Socket
 -enabled libschroedinger   && require_pkg_config libschroedinger schroedinger-1.0 schroedinger/schro.h schro_init
 -enabled libsnappy         && require libsnappy snappy-c.h snappy_compress -lsnappy
 +enabled librubberband     && require_pkg_config librubberband "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new -lstdc++ && append librubberband_extralibs "-lstdc++"
 +enabled libshine          && require_pkg_config libshine shine shine/layer3.h shine_encode_buffer
- enabled libsmbclient      && { use_pkg_config libsmbclient smbclient libsmbclient.h smbc_init ||
++enabled libsmbclient      && { check_pkg_config libsmbclient smbclient libsmbclient.h smbc_init ||
 +                               require libsmbclient libsmbclient.h smbc_init -lsmbclient; }
 +enabled libsnappy         && require libsnappy snappy-c.h snappy_compress -lsnappy -lstdc++
 +enabled libsoxr           && require libsoxr soxr.h soxr_create -lsoxr
 +enabled libssh            && require_pkg_config libssh libssh libssh/sftp.h sftp_init
  enabled libspeex          && require_pkg_config libspeex speex speex/speex.h speex_decoder_init -lspeex
 +enabled libtesseract      && require_pkg_config libtesseract tesseract tesseract/capi.h TessBaseAPICreate
  enabled libtheora         && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
 -enabled libtwolame        && require libtwolame twolame.h twolame_init -ltwolame
 -enabled libvo_aacenc      && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
 +enabled libtwolame        && require libtwolame twolame.h twolame_init -ltwolame &&
 +                             { check_lib libtwolame twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
 +                               die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
 +enabled libv4l2           && require_pkg_config libv4l2 libv4l2 libv4l2.h v4l2_ioctl
 +enabled libvidstab        && require_pkg_config libvidstab "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
 +enabled libvmaf           && require_pkg_config libvmaf libvmaf libvmaf.h compute_vmaf
  enabled libvo_amrwbenc    && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
 -enabled libvorbis         && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
 -enabled libvpx            && require_pkg_config libvpx "vpx >= 1.3.0" vpx/vpx_codec.h vpx_codec_version &&
 -                             { enabled libvpx_vp8_decoder &&
 -                                   check_pkg_config libvpx_vp8_decoder vpx "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx
 -                               enabled libvpx_vp8_encoder &&
 -                                   check_pkg_config libvpx_vp8_encoder vpx "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx
 -                               enabled libvpx_vp9_decoder &&
 -                                   check_pkg_config libvpx_vp9_decoder vpx "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx
 -                               enabled libvpx_vp9_encoder &&
 -                                   check_pkg_config libvpx_vp9_encoder vpx "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx
 -                               disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder &&
 -                                   die "libvpx enabled but no supported decoders/encoders found"
 -                             }
 +enabled libvorbis         && require_pkg_config libvorbis vorbis vorbis/codec.h vorbis_info_init &&
 +                             require_pkg_config libvorbisenc vorbisenc vorbis/vorbisenc.h vorbis_encode_init
 +
 +enabled libvpx            && {
 +    enabled libvpx_vp8_decoder && {
-         use_pkg_config libvpx_vp8_decoder "vpx >= 0.9.1" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
++        check_pkg_config libvpx_vp8_decoder "vpx >= 0.9.1" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
 +            check_lib libvpx_vp8_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
 +                die "ERROR: libvpx decoder version must be >=0.9.1";
 +    }
 +    enabled libvpx_vp8_encoder && {
-         use_pkg_config libvpx_vp8_encoder "vpx >= 0.9.7" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
++        check_pkg_config libvpx_vp8_encoder "vpx >= 0.9.7" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
 +            check_lib libvpx_vp8_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||
 +                die "ERROR: libvpx encoder version must be >=0.9.7";
 +    }
 +    enabled libvpx_vp9_decoder && {
-         use_pkg_config libvpx_vp9_decoder "vpx >= 1.3.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
++        check_pkg_config libvpx_vp9_decoder "vpx >= 1.3.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
 +            check_lib libvpx_vp9_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx
 +    }
 +    enabled libvpx_vp9_encoder && {
-         use_pkg_config libvpx_vp9_encoder "vpx >= 1.3.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
++        check_pkg_config libvpx_vp9_encoder "vpx >= 1.3.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
 +            check_lib libvpx_vp9_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx
 +    }
 +    if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
 +        die "libvpx enabled but no supported decoders found"
 +    fi
 +}
 +
  enabled libwavpack        && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput  -lwavpack
 -enabled libwebp           && require_pkg_config libwebp libwebp webp/encode.h WebPGetEncoderVersion
 -enabled libx264           && require_pkg_config libx264 x264 "stdint.h x264.h" x264_encoder_encode &&
 +enabled libwebp           && {
 +    enabled libwebp_encoder      && require_pkg_config libwebp "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
-     enabled libwebp_anim_encoder && use_pkg_config libwebp_anim_encoder "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit; }
- enabled libx264           && { use_pkg_config libx264 x264 "stdint.h x264.h" x264_encoder_encode ||
++    enabled libwebp_anim_encoder && check_pkg_config libwebp_anim_encoder "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit; }
++enabled libx264           && { check_pkg_config libx264 x264 "stdint.h x264.h" x264_encoder_encode ||
 +                               { require libx264 "stdint.h x264.h" x264_encoder_encode -lx264 &&
 +                                 warn "using libx264 without pkg-config"; } } &&
                               require_cpp_condition x264.h "X264_BUILD >= 118" &&
                               { check_cpp_condition x264.h "X264_MPEG2" &&
                                 enable libx262; }
@@@ -6109,97 -4857,38 +6109,97 @@@ enabled omx               && require_he
  enabled omx_rpi           && { check_header OMX_Core.h ||
                                 { ! enabled cross_compile && add_cflags -isystem/opt/vc/include/IL && check_header OMX_Core.h ; } ||
                                 die "ERROR: OpenMAX IL headers not found"; } && enable omx
- enabled openssl           && { use_pkg_config openssl openssl openssl/ssl.h OPENSSL_init_ssl ||
-                                use_pkg_config openssl openssl openssl/ssl.h SSL_library_init ||
 -enabled openssl           && { { check_pkg_config openssl openssl openssl/ssl.h OPENSSL_init_ssl ||
 -                                 check_pkg_config openssl openssl openssl/ssl.h SSL_library_init; } ||
++enabled openssl           && { check_pkg_config openssl openssl openssl/ssl.h OPENSSL_init_ssl ||
++                               check_pkg_config openssl openssl openssl/ssl.h SSL_library_init ||
                                 check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto ||
                                 check_lib openssl openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
                                 check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
                                 die "ERROR: openssl not found"; }
 +enabled rkmpp             && { { require_pkg_config rkmpp rockchip_mpp rockchip/rk_mpi.h mpp_create ||
 +                                 die "ERROR : Rockchip MPP was not found."; } &&
 +                               { check_func_headers rockchip/rk_mpi_cmd.h "MPP_DEC_GET_FREE_PACKET_SLOT_COUNT" ||
 +                                 die "ERROR: Rockchip MPP is outdated, please get a more recent one."; } &&
 +                               { enabled libdrm ||
 +                                 die "ERROR: rkmpp requires --enable-libdrm"; }
 +                             }
  
 -enabled gnutls            && check_lib gmp gmp.h mpz_export -lgmp
 -
 -if enabled nvenc; then
 -    require_header nvEncodeAPI.h
 -    require_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 6"
 +if enabled gcrypt; then
 +    GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"
 +    if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then
 +        gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags)
 +        gcrypt_extralibs=$("${GCRYPT_CONFIG}" --libs)
 +        check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_extralibs ||
 +            die "ERROR: gcrypt not found"
 +        add_cflags $gcrypt_cflags
 +    else
 +        require gcrypt gcrypt.h gcry_mpi_new -lgcrypt
 +    fi
  fi
  
 -# SDL is "special" and adds some CFLAGS that should not pollute anything else.
 -if enabled avplay; then
 -    CFLAGS_SAVE=$CFLAGS
 -    check_pkg_config sdl "sdl >= 1.2.1 sdl < 1.3.0" SDL_events.h SDL_PollEvent &&
 -    sdl_cflags=$pkg_cflags
 -    CFLAGS=$CFLAGS_SAVE
 +if enabled sdl2; then
 +    SDL2_CONFIG="${cross_prefix}sdl2-config"
-     if check_pkg_config sdl2 "sdl2 >= 2.0.1 sdl2 < 2.1.0" SDL_events.h SDL_PollEvent; then
++    if test_pkg_config sdl2 "sdl2 >= 2.0.1 sdl2 < 2.1.0" SDL_events.h SDL_PollEvent; then
 +        check_func SDL_Init $sdl2_extralibs $sdl2_cflags ||
 +            disable sdl2
 +    elif "${SDL2_CONFIG}" --version > /dev/null 2>&1; then
 +        sdl2_cflags=$("${SDL2_CONFIG}" --cflags)
 +        sdl2_extralibs=$("${SDL2_CONFIG}" --libs)
 +        check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x020001" $sdl2_cflags &&
 +        check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x020100" $sdl2_cflags &&
 +        check_func SDL_Init $sdl2_extralibs $sdl2_cflags &&
 +            enable sdl2
 +    fi
 +    if test $target_os = "mingw32"; then
 +        sdl2_extralibs=$(filter_out '-mwindows' $sdl2_extralibs)
 +    fi
  fi
  
 -! disabled pod2man   && check_cmd pod2man --help     && enable pod2man   || disable pod2man
 -! disabled texi2html && check_cmd texi2html -version && enable texi2html || disable texi2html
 +if enabled decklink; then
 +    case $target_os in
 +        mingw32*|mingw64*|win32|win64)
 +            decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"
 +            decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"
 +            ;;
 +    esac
 +fi
  
 +enabled securetransport &&
 +    check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
 +    check_lib securetransport "Security/SecureTransport.h Security/Security.h" "SSLCreateContext SecItemImport" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" ||
 +        disable securetransport
 +
 +enabled schannel &&
 +    check_func_headers "windows.h security.h" InitializeSecurityContext -DSECURITY_WIN32 -lsecur32 &&
 +    check_cpp_condition winerror.h "defined(SEC_I_CONTEXT_EXPIRED)" &&
 +    schannel_extralibs="-lsecur32" ||
 +        disable schannel
 +
 +makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo
 +enabled makeinfo \
 +    && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \
 +    && enable makeinfo_html || disable makeinfo_html
 +disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
 +perl -v            > /dev/null 2>&1 && enable perl      || disable perl
 +pod2man --help     > /dev/null 2>&1 && enable pod2man   || disable pod2man
 +rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
 +
 +# check V4L2 codecs available in the API
  check_header linux/fb.h
  check_header linux/videodev2.h
 -check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
 -
 -check_header AVFoundation/AVFoundation.h
 +check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete
 +check_code cc linux/videodev2.h "int i = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_VIDEO_M2M | V4L2_BUF_FLAG_LAST;" || disable v4l2_m2m
 +check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_VC1_ANNEX_G;" && enable vc1_v4l2_m2m
 +check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG1;" && enable mpeg1_v4l2_m2m
 +check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG2;" && enable mpeg2_v4l2_m2m
 +check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG4;" && enable mpeg4_v4l2_m2m
 +check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_HEVC;" && enable hevc_v4l2_m2m
 +check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_H263;" && enable h263_v4l2_m2m
 +check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_H264;" && enable h264_v4l2_m2m
 +check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_VP8;" && enable vp8_v4l2_m2m
 +check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_VP9;" && enable vp9_v4l2_m2m
  
  check_header sys/videoio.h
 +check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete
  
  check_lib user32 "windows.h winuser.h" GetShellWindow -luser32
  check_lib vfw32 "windows.h vfw.h" capCreateCaptureWindow -lvfw32
@@@ -6218,43 -4905,32 +6218,43 @@@ check_type "dshow.h" IBaseFilte
    check_header dev/video/bktr/ioctl_bt848.h; } ||
  check_header dev/ic/bt8xx.h
  
 -check_header sys/soundcard.h
 +if check_struct sys/soundcard.h audio_buf_info bytes; then
 +    enable_sanitized sys/soundcard.h
 +else
 +    check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_sanitized sys/soundcard.h
 +    #include <sys/soundcard.h>
 +    audio_buf_info abc;
 +EOF
 +fi
  check_header soundcard.h
  
- enabled alsa && use_pkg_config alsa alsa "alsa/asoundlib.h" snd_pcm_htimestamp ||
 -enabled_any alsa_indev alsa_outdev &&
++enabled alsa && check_pkg_config alsa alsa "alsa/asoundlib.h" snd_pcm_htimestamp ||
      check_lib alsa alsa/asoundlib.h snd_pcm_htimestamp -lasound
  
  enabled libjack &&
      require_pkg_config libjack jack jack/jack.h jack_port_get_latency_range
  
 -enabled_any sndio_indev sndio_outdev && check_lib sndio sndio.h sio_open -lsndio
 +enabled sndio && check_lib sndio sndio.h sio_open -lsndio
  
  if enabled libcdio; then
-     use_pkg_config libcdio libcdio_paranoia "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open ||
-     use_pkg_config libcdio libcdio_paranoia "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open ||
++    check_pkg_config libcdio libcdio_paranoia "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open ||
++    check_pkg_config libcdio libcdio_paranoia "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open ||
      check_lib libcdio "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
      check_lib libcdio "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
      die "ERROR: No usable libcdio/cdparanoia found"
  fi
  
- enabled libxcb && use_pkg_config libxcb "xcb >= 1.4" xcb/xcb.h xcb_connect ||
++enabled libxcb && check_pkg_config libxcb "xcb >= 1.4" xcb/xcb.h xcb_connect ||
 +    disable libxcb_shm libxcb_shape libxcb_xfixes
 +
  if enabled libxcb; then
-     enabled libxcb_shm    && use_pkg_config libxcb_shm    xcb-shm    xcb/shm.h    xcb_shm_attach
-     enabled libxcb_shape  && use_pkg_config libxcb_shape  xcb-shape  xcb/shape.h  xcb_shape_get_rectangles
-     enabled libxcb_xfixes && use_pkg_config libxcb_xfixes xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image
 -    require_pkg_config libxcb xcb xcb/xcb.h xcb_connect
 -    require_pkg_config libxcb_shape xcb-shape xcb/shape.h xcb_shape_rectangles
 -    disabled libxcb_shm ||
 -        check_pkg_config libxcb_shm xcb-shm xcb/shm.h xcb_shm_attach
 -    disabled libxcb_xfixes ||
 -        check_pkg_config libxcb_xfixes xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image
++    enabled libxcb_shm    && check_pkg_config libxcb_shm    xcb-shm    xcb/shm.h    xcb_shm_attach
++    enabled libxcb_shape  && check_pkg_config libxcb_shape  xcb-shape  xcb/shape.h  xcb_shape_get_rectangles
++    enabled libxcb_xfixes && check_pkg_config libxcb_xfixes xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image
  fi
  
 +check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
 +
  # d3d11va requires linking directly to dxgi and d3d11 if not building for
  # the desktop api partition
  check_cpp <<EOF && enable uwp && d3d11va_extralibs="-ldxgi -ld3d11"




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