* [libwebp] update to 1.2.1

* update version

* Convert patch CRLF to LF

* update version

* update patch and portfile,cmake

* update version

* update portifile.cmake

* update portfile.cmake

* update version

* update portfile.cmake

* update version

* revert portfile.cmake

* update version

* add trailing line break

* update version

```
function Convert-Control {
    Param($full)
    .\vcpkg.exe format-manifest $full
    $root = $full.Substring(0, $full.Length - 7) # CONTROL
    $new = $root + 'vcpkg.json'
    $content = Get-Content -Raw $new
    $asJson = ConvertFrom-Json $content -AsHashtable -Depth 100
    $oldVersion = $asJson['port-version']
    if ($null -eq $oldVersion) {
        $oldVersionFull = $asJson['version-string']
        Write-Host "Got version $oldVersionFull"
        $match = [System.Text.RegularExpressions.Regex]::Match($oldVersionFull, '^(.+)-(\d+)$')
        if ($match.Success -and -not [System.Text.RegularExpressions.Regex]::IsMatch($oldVersionFull, '^\d\d\d\d-\d\d-\d\d$')) {
            $newFullVersion = [string]$match.Groups[1].Value
            $oldVersion = [int]$match.Groups[2].Value
            Write-Host "newFullVersion $newFullVersion oldVersion $oldVersion"
            $newVersion = $oldVersion + 1
            $asJson['version-string'] = $newFullVersion
            Write-Host "Previous version for $full extracted from version field -- setting version-string $newFullVersion and port-version $newVersion"
        } else {
            Write-Host "No previous version for $full -- setting 1"
            $newVersion = 1
        }
    } else {
        $newVersion = [int]$oldVersion + 1
        Write-Host "New version for $full : $newVersion"
    }

    $asJson['port-version'] = $newVersion

    $content = ConvertTo-Json $asJson -Depth 100
    Set-Content -Path $new -Value $content
    .\vcpkg.exe format-manifest $new
}

Get-ChildItem ports\CONTROL -Recurse | Foreach-Object {
    Convert-Control $_.FullName
}

git commit -am "this message"
.\vcpkg.exe x-add-version -all
git commit -a --amend
```

* Fix release-only builds of libwebp

* Bump port version

* Update versions

* [tesseract] Use vcpkg_fixup_pkgconfig.

* [libxml2] Correct pkgconfig lib name.

* [libwebp] Use vcpkg_fixup_pkgconfig.

* [libssh] Export pkgconfig on windows.

Also move to using git to get source.

* [modplug] Export pkgconfig on windows.

* [ffmpeg] Add support for fontconfig,freetype,fribidi,modplug,openjpeg,libssh,tesseract,libxml2 dependencies.

* [openjpeg] Correct required static link libs in pkgconfig.

* [modplug] Combine vcpkg_from_github using variable.

* Update ports/libssh/CONTROL

* Improve portfile.cmake

* update version records.

* [openjpeg] Update libs in pkgcfg.

Co-authored-by: Jack·Boos·Yu <47264268+JackBoosY@users.noreply.github.com>

* update version records

* [libssh] Add pthread to pkgconfig when using mbedtls.

* [libssh] Correct pthread naming on windows.

* [fontconfig] Add libintl to pkgconfig on windows.

* update version records

* [ffmpeg] Fixup FindFFmpeg.

* [ffmpeg] speex now supports non-windows.

* [ffmpeg] Add feature libass.

* [ffmpeg] Add dav1d feature.

* [ffmpeg] Add feature ilbc.

* [ffmpeg] Add tensorflow feature.

* [ffmpeg] update version record.

* [ffmpeg] Add CI feature test.

* [ffmpeg] Limit features based on CI failures.

* [ffmpeg] Update version record.

* [ffmpeg] limit features based on ci.baseline.

* [various ports] Update supports field.

* [ffmpeg] Limit features more based on CI.

* update version records.

* [ffmpeg] Add detection of additional non target deps..

select_library_configurations_from_names currently detects the debug libs even for release builds as  _IMPORT_PREFIX was not being set.

* [aubio] Silence warning about FindFFMPEG.

* [pangolin] Use vcpkg supplied FindFFMPEG.

* update version files.

* [ffnvcodec] Set as not supporting uwp.

ffnvcodec will build under uwp as its a header only lib, but it can not be used as it requires dynamic dll loading.

* [ffmpeg] Update feature all.

* update version records

* [tesseract] Wrap debug pkgcfg update.

* [libssh,libxml2,openjpeg,fontconfig] Fix pkg-config for release only triplets.

* [libssh] Correct port version after merge.

* [ffmpeg] Fixup after merge.

* Update version files.

* [ffmpeg] Add opengl support.

* [ffmpeg] Update package version.

* [ffmpeg] Fix ffnvcodec support.

* [ffmpeg] Fix x265 detection on osx.

* [libvpx] Enable arm-uwp build.

* [ffmpeg] Fixup x265 patch.

* trigger sdl rebuild

* [ffmpeg] Disable opengl on osx.

* Revert "trigger sdl rebuild"

This reverts commit 94065bfe8414259ad5a5576bd4ac0b7ab4b97c6b.

* [ffmpeg] Disable failing features on osx.

* Update ports/ffmpeg/FindFFMPEG.cmake.in

Co-authored-by: Matthias C. M. Troffaes <matthias.troffaes@gmail.com>

* [ffmpeg] Add ass dependencies to FindFFmpeg.

* Update ports/ffmpeg/FindFFMPEG.cmake.in

Co-authored-by: Matthias C. M. Troffaes <matthias.troffaes@gmail.com>

* update version

* [fontconfig] disable pthread/json as they are not needed for lib builds.

Only used for tests.

* [ffmpeg] Enable fontconfig on static+windows.

* update versions

* update versions.

* Fix incorrectly included commits

* revert pangolin commit

Reverts most of 2543be2edf60bf38511c2d477bb17b617398a108

* update versions

* Correct port version after merge.

* update versions.

* [ffmpeg] Fix cmake dependency detection on non-windows.

* Revert "revert pangolin commit"

This reverts commit f59bc5a53ea74fd9df17fc368886e9d1a80ac42f.

* [ffmpeg] Fix dependency loading that does not define separate debug/release libs.

* update versions.

* [ffmpeg] set CMP0072 policy.

* [wavpack] Fix cmake config export.

* [ffmpeg] Add optional system dependent libraries.

* update versions after merge.

* update versions.

Co-authored-by: Jack·Boos·Yu <47264268+JackBoosY@users.noreply.github.com>
Co-authored-by: JackBoosY <yuzaiyang@beyondsoft.com>
Co-authored-by: Matthias C. M. Troffaes <matthias.troffaes@gmail.com>

-> removed feature.