ffmpeg: build with shaderc

enables various vulkan related things

mingw-w64-ffmpeg/PKGBUILD

@@ -7,7 +7,7 @@ _realname=ffmpeg
 pkgbase="mingw-w64-${_realname}"
 pkgname="${MINGW_PACKAGE_PREFIX}-${_realname}"
 pkgver=8.0
-pkgrel=1
+pkgrel=2
 pkgdesc="Complete solution to record, convert and stream audio and video (mingw-w64)"
 arch=('any')
 mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64' 'clangarm64')
@@ -59,6 +59,7 @@ depends=("${MINGW_PACKAGE_PREFIX}-aom"
          "${MINGW_PACKAGE_PREFIX}-srt"
          $([[ "${CARCH}" == "i686" ]] || echo "${MINGW_PACKAGE_PREFIX}-svt-av1")
          $([[ "${CARCH}" == "i686" ]] || echo "${MINGW_PACKAGE_PREFIX}-liblc3")
+         $([[ "${CARCH}" == "i686" ]] || echo "${MINGW_PACKAGE_PREFIX}-shaderc")
          "${MINGW_PACKAGE_PREFIX}-vid.stab"
          "${MINGW_PACKAGE_PREFIX}-vulkan"
          "${MINGW_PACKAGE_PREFIX}-libx264"
@@ -173,6 +174,7 @@ build() {
        --enable-librav1e
        --enable-librsvg
        --enable-libsvtav1
+       --enable-libshaderc
     )
   fi