[qt5] Add qtdeploy.ps1 to enhance applocal.ps1 when Qt is in use.

ports/qt5/CONTROL

@@ -1,4 +1,4 @@
 Source: qt5
-Version: 5.7.1-6
+Version: 5.7.1-7
 Description: Qt5 application framework main components. Webengine, examples and tests not included.
 Build-Depends: sqlite3, libpq, double-conversion

ports/qt5/portfile.cmake

@@ -198,6 +198,12 @@ vcpkg_execute_required_process(
 )
 
 file(INSTALL ${SOURCE_PATH}/LICENSE.LGPLv3 DESTINATION  ${CURRENT_PACKAGES_DIR}/share/qt5 RENAME copyright)
+if(EXISTS ${CURRENT_PACKAGES_DIR}/plugins)
+    file(INSTALL ${CMAKE_CURRENT_LIST_DIR}/qtdeploy.ps1 DESTINATION ${CURRENT_PACKAGES_DIR}/plugins)
+endif()
+if(EXISTS ${CURRENT_PACKAGES_DIR}/debug/plugins)
+    file(INSTALL ${CMAKE_CURRENT_LIST_DIR}/qtdeploy.ps1 DESTINATION ${CURRENT_PACKAGES_DIR}/debug/plugins)
+endif()
 
 vcpkg_copy_pdbs()
 

ports/qt5/qtdeploy.ps1

@@ -0,0 +1,68 @@
+# This script is based on the implementation of windeployqt for qt5.7.1
+#
+# Qt's plugin deployment strategy is that each main Qt Module has a hardcoded
+# set of plugin subdirectories. Each of these subdirectories is deployed in
+# full if that Module is referenced.
+#
+# This hardcoded list is found inside qttools\src\windeployqt\main.cpp. For
+# updating, inspect the symbols qtModuleEntries and qtModuleForPlugin.
+
+# Note: this function signature and behavior is depended upon by applocal.ps1
+function deployPluginsIfQt([string]$targetBinaryDir, [string]$QtPluginsDir, [string]$targetBinaryName) {
+
+    function deployPlugins([string]$pluginSubdirName) {
+        if (Test-Path "$QtPluginsDir\$pluginSubdirName") {
+            Write-Verbose "  Deploying plugins directory '$pluginSubdirName'"
+            New-Item "$targetBinaryDir\$pluginSubdirName" -ItemType Directory -ErrorAction SilentlyContinue | Out-Null
+            Get-ChildItem "$QtPluginsDir\$pluginSubdirName\*.dll" | % {
+                deployBinary "$targetBinaryDir\$pluginSubdirName" "$QtPluginsDir\$pluginSubdirName" $_.Name
+            }
+        } else {
+            Write-Verbose "  Skipping plugins directory '$pluginSubdirName': doesn't exist"
+        }
+    }
+
+    # We detect Qt modules in use via the DLLs themselves. See qtModuleEntries in Qt to find the mapping.
+    if ($targetBinaryName -like "Qt5Gui*.dll") {
+        Write-Verbose "  Deploying platforms"
+        New-Item "$targetBinaryDir\platforms" -ItemType Directory -ErrorAction SilentlyContinue | Out-Null
+        Get-ChildItem "$QtPluginsDir\platforms\qwindows*.dll" | % {
+            deployBinary "$targetBinaryDir\platforms" "$QtPluginsDir\platforms" $_.Name
+        }
+
+        deployPlugins "accessible"
+        deployPlugins "imageformats"
+        deployPlugins "iconengines"
+        deployPlugins "platforminputcontexts"
+    } elseif ($targetBinaryName -like "Qt5Network*.dll") {
+        deployPlugins "bearer"
+    } elseif ($targetBinaryName -like "Qt5Sql*.dll") {
+        deployPlugins "sqldrivers"
+    } elseif ($targetBinaryName -like "Qt5Multimedia*.dll") {
+        deployPlugins "audio"
+        deployPlugins "mediaservice"
+        deployPlugins "playlistformats"
+    } elseif ($targetBinaryName -like "Qt5PrintSupport*.dll") {
+        deployPlugins "printsupport"
+    } elseif ($targetBinaryName -like "Qt5Quick*.dll") {
+        deployPlugins "scenegraph"
+        deployPlugins "qmltooling"
+    } elseif ($targetBinaryName -like "Qt5Declarative*.dll") {
+        deployPlugins "qml1tooling"
+    } elseif ($targetBinaryName -like "Qt5Positioning*.dll") {
+        deployPlugins "position"
+    } elseif ($targetBinaryName -like "Qt5Location*.dll") {
+        deployPlugins "geoservices"
+    } elseif ($targetBinaryName -like "Qt5Sensors*.dll") {
+        deployPlugins "sensors"
+        deployPlugins "sensorgestures"
+    } elseif ($targetBinaryName -like "Qt5WebEngineCore*.dll") {
+        deployPlugins "qtwebengine"
+    } elseif ($targetBinaryName -like "Qt53DRenderer*.dll") {
+        deployPlugins "sceneparsers"
+    } elseif ($targetBinaryName -like "Qt5TextToSpeech*.dll") {
+        deployPlugins "texttospeech"
+    } elseif ($targetBinaryName -like "Qt5SerialBus*.dll") {
+        deployPlugins "canbus"
+    }
+}

scripts/buildsystems/msbuild/applocal.ps1

@@ -2,14 +2,17 @@
 param([string]$targetBinary, [string]$installedDir, [string]$tlogFile)
 
 $g_searched = @{}
+# Note: installedDir is actually the bin\ directory.
+$g_install_root = Split-Path $installedDir -parent
 
-function deployBinary([string]$targetBinaryDir, [string]$targetBinaryName) {
+# Note: this function signature is depended upon by the qtdeploy.ps1 script introduced in 5.7.1-7
+function deployBinary([string]$targetBinaryDir, [string]$SourceDir, [string]$targetBinaryName) {
     if (Test-Path "$targetBinaryDir\$targetBinaryName") {
-        Write-Verbose "  ${targetBinaryName}: already present - Only recurse"
+        Write-Verbose "  ${targetBinaryName}: already present"
     }
     else {
-        Copy-Item "$installedDir\$targetBinaryName" $targetBinaryDir
-        Write-Verbose "  ${targetBinaryName}: Copying $installedDir\$targetBinaryName"
+        Write-Verbose "  ${targetBinaryName}: Copying $SourceDir\$targetBinaryName"
+        Copy-Item "$SourceDir\$targetBinaryName" $targetBinaryDir
     }
     "$targetBinaryDir\$targetBinaryName"
     if ($tlogFile) { Add-Content $tlogFile "$targetBinaryDir\$targetBinaryName" }
@@ -38,8 +41,9 @@ function resolve([string]$targetBinary) {
         }
         $g_searched.Set_Item($_, $true)
         if (Test-Path "$installedDir\$_") {
-            deployBinary($targetBinaryDir, $_)
-            resolve("$targetBinaryDir\$_")
+            deployBinary $targetBinaryDir $installedDir "$_"
+            if (Test-Path function:\deployPluginsIfQt) { deployPluginsIfQt $targetBinaryDir "$g_install_root\plugins" "$_" }
+            resolve "$targetBinaryDir\$_"
         } else {
             Write-Verbose "  ${_}: $installedDir\$_ not found"
         }
@@ -47,5 +51,11 @@ function resolve([string]$targetBinary) {
     Write-Verbose "Done Resolving $targetBinary."
 }
 
+# Note: This is a hack to make Qt5 work.
+# Introduced with Qt package version 5.7.1-7
+if (Test-Path "$g_install_root\plugins\qtdeploy.ps1") {
+    . "$g_install_root\plugins\qtdeploy.ps1"
+}
+
 resolve($targetBinary)
 Write-Verbose $($g_searched | out-string)