Added libTIFF for static Qt build

We don't use TIFF at all, so, it's will be a minified build that supports no compression, only API.

Author: Wohlstand

.gitmodules

@@ -46,3 +46,6 @@
 	path = _Libs/FileMapper
 	url = https://github.com/WohlSoft/FileMapper.git
 	branch = master
+[submodule "_Libs/libtiff"]
+	path = _Libs/libtiff
+	url = https://github.com/WohlSoft/libtiff.git

CMakeLists.txt

@@ -65,6 +65,9 @@ include(_common/library_FreeImage.cmake)
 include(_common/library_FreeType.cmake)
 include(_common/library_SDLMixerX.cmake)
 include(_common/library_PGE_FL.cmake)
+if(PGE_ENABLE_STATIC_QT AND "${CMAKE_SYSTEM}" MATCHES "Linux")
+    include(_common/library_tiff.cmake)
+endif()
 
 if(NOT USE_SYSTEM_LIBPNG)
     add_dependencies(libpng_Local AudioCodecs_Local) #Zlib is needed to libPNG

_Libs/libtiff

@@ -0,0 +1,43 @@
+# Build of the minimal libTIFF library as a workaround
+
+add_library(PGE_libtiff INTERFACE)
+
+set_static_lib(libtiff_A_Lib "${DEPENDENCIES_INSTALL_DIR}" tiff)
+set(TIFF_INCLUDE_DIRS "${DEPENDENCIES_INSTALL_DIR}/include")
+
+ExternalProject_Add(
+    tiff_Local
+    PREFIX ${CMAKE_BINARY_DIR}/external/libtiff
+    SOURCE_DIR ${CMAKE_SOURCE_DIR}/_Libs/libtiff
+    CMAKE_ARGS
+        "-DCMAKE_INSTALL_PREFIX=${DEPENDENCIES_INSTALL_DIR}"
+        "-DCMAKE_TOOLCHAIN_FILE=${CMAKE_TOOLCHAIN_FILE}"
+        "-DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}"
+        "-DCMAKE_CONFIGURATION_TYPES=${CMAKE_CONFIGURATION_TYPES}"
+        "-DCMAKE_POSITION_INDEPENDENT_CODE=ON"
+        "-DDISABLE_FORCE_DEBUG_POSTFIX=ON"
+        "-DCMAKE_DEBUG_POSTFIX=${PGE_LIBS_DEBUG_SUFFIX}"
+        "-DBUILD_SHARED_LIBS=OFF"
+        "-DBUILD_TESTING=OFF"
+        "-Djbig=OFF"
+        "-Djpeg=OFF"
+        "-Djpeg12=OFF"
+        "-Dlzma=OFF"
+        "-Dsphinx=OFF"
+        "-Dsphinx-linkcheck=OFF"
+        "-Dtiff-tools=OFF"
+        "-Dwebp=OFF"
+        "-Dwin32-io=OFF"
+        "-Dzlib=OFF"
+        "-Dzstd=OFF"
+        ${ANDROID_CMAKE_FLAGS}
+        ${APPLE_CMAKE_FLAGS}
+    BUILD_BYPRODUCTS
+        "${libtiff_A_Lib}"
+)
+
+message("-- libtiff will be built: ${libtiff_A_Lib} --")
+
+target_link_libraries(PGE_libtiff INTERFACE "${libtiff_A_Lib}")
+target_include_directories(PGE_libtiff INTERFACE "${TIFF_INCLUDE_DIRS}")
+add_dependencies(PGE_libtiff tiff_Local)

_common/library_tiff.cmake

@@ -11,6 +11,11 @@ set(QT_FOUND_EXTRA_LIBS_PRE)
 
 set(ENABLE_GTK_THEME_PLUGIN OFF)
 
+macro(force_qt_lib_path LIBNAME FORCEPATH)
+    set(_Qt5Gui_RELEASE_${LIBNAME}_PATH "${FORCEPATH}" CACHE FILEPATH "" FORCE)
+    set(_Qt5Widgets_RELEASE_${LIBNAME}_PATH "${FORCEPATH}" CACHE FILEPATH "" FORCE)
+endmacro()
+
 # Manually turn on static Qt deployment
 if(PGE_ENABLE_STATIC_QT)
     set(MOONDUST_STATIC_QT_ROOT "${CMAKE_PREFIX_PATH}" CACHE STRING "Path to the static Qt root")
@@ -27,13 +32,13 @@ if(PGE_ENABLE_STATIC_QT)
         endif()
     endif()
 
-    find_library(QT_HARFBUZZ qtharfbuzz)
+    find_library(QT_HARFBUZZ libqtharfbuzz.a)
     if(QT_HARFBUZZ)
-        # message("==Qt-HarfBuzz detected! (${QT_HARFBUZZ})==")
+        message("==Qt-HarfBuzz detected! (${QT_HARFBUZZ})==")
         list(APPEND QT_FOUND_EXTRA_LIBS ${QT_HARFBUZZ})
         set(PGE_QT_STATIC_DETECTED TRUE)
     else()
-        find_library(QT_HARFBUZZ harfbuzz)
+        find_library(QT_HARFBUZZ libharfbuzz.a)
         if(QT_HARFBUZZ)
             list(APPEND QT_FOUND_EXTRA_LIBS ${QT_HARFBUZZ})
         endif()
@@ -400,7 +405,20 @@ if(PGE_ENABLE_STATIC_QT)
 
             if(NOT QT_FREETYPE)
             #     find_library(QT_freetype freetype)
-                list(APPEND QT_FOUND_EXTRA_LIBS freetype$<$<CONFIG:Debug>:d>)
+                if(USE_SYSTEM_LIBFREETYPE)
+                    find_library(QT_SysFreeType libfreetype$<$<CONFIG:Debug>:d>.a)
+                    list(APPEND QT_FOUND_EXTRA_LIBS "${QT_SysFreeType}")
+                    force_qt_lib_path(freetype "${QT_SysFreeType}")
+                else()
+                    list(APPEND QT_FOUND_EXTRA_LIBS "${libFreeType_Libs}")
+                    force_qt_lib_path(freetype "${libFreeType_Libs}")
+                endif()
+            else()
+                force_qt_lib_path(freetype "${QT_FREETYPE}")
+            endif()
+
+            if(QT_HARFBUZZ)
+                force_qt_lib_path(harfbuzz "${QT_HARFBUZZ}")
             endif()
 
             foreach(xxlib Qt5DBus dbus-1)
@@ -420,6 +438,12 @@ if(PGE_ENABLE_STATIC_QT)
                 message("!!! EGL NOT FOUND!!!")
             endif()
 
+            # find_library(QT_tiff libtiff.a)
+            set(_Qt5Gui_RELEASE_tiff_PATH "${libtiff_A_Lib}" CACHE FILEPATH "" FORCE)
+            list(APPEND QT_FOUND_EXTRA_LIBS PGE_libtiff)
+
+            set(_Qt5Gui_RELEASE_z_PATH "${libZLib_A_Lib}" CACHE FILEPATH "" FORCE)
+
             find_library(QT_udev udev)
             list(APPEND QT_FOUND_EXTRA_LIBS ${QT_udev})