Fix bug with classes, use slim exclusively, add package private data and change rehaul cmake configs

CMakeLists.txt

@@ -4,6 +4,7 @@ include(cmake/version.cmake)
 project(TessesCrossLang VERSION ${CROSSLANG_MAJOR_VERSION}.${CROSSLANG_MINOR_VERSION}.${CROSSLANG_PATCH_VERSION})
 
 set(CMAKE_CXX_STANDARD 17)
+include(CMakePackageConfigHelpers)
 include(GNUInstallDirs)
 include(CheckLibraryExists)
 include(FetchContent)

Packaging/Linux/PKGBUILD

@@ -30,14 +30,14 @@ prepare() {
 build() {
 	cd "$srcdir/${pkgname}"
 	mkdir build
+	cd build
 
 	if [[ -z "$CMAKE_TOOLCHAIN" ]]; then
- 	cmake -S . -B build -DCMAKE_INSTALL_PREFIX=/usr -DCROSSLANG_FETCHCONTENT=OFF -DCMAKE_BUILD_TYPE=Release
+ 	cmake -S .. -B . -DCMAKE_INSTALL_PREFIX=/usr -DCROSSLANG_FETCHCONTENT=OFF -DCMAKE_BUILD_TYPE=Release
   	else
-	cmake -S . -B build -DCMAKE_INSTALL_PREFIX=/usr -DCROSSLANG_FETCHCONTENT=OFF -DCMAKE_BUILD_TYPE=Release -DCMAKE_TOOLCHAIN_FILE="$CMAKE_TOOLCHAIN"
+	cmake -S .. -B . -DCMAKE_INSTALL_PREFIX=/usr -DCROSSLANG_FETCHCONTENT=OFF -DCMAKE_BUILD_TYPE=Release -DCMAKE_TOOLCHAIN_FILE="$CMAKE_TOOLCHAIN"
 	fi
 
-	cd build
 	make -j`nproc`
 
 }