Fixed cmake

CMakeLists.txt

@@ -19,11 +19,20 @@ target_link_libraries(${PROJECT_NAME}
     wthttp
     curl
     xml2
-    cpp-httplib
 )
 
 find_package(Boost COMPONENTS system filesystem REQUIRED)
+if(UNIX)
+    # Ubuntu-spezifische Include-Verzeichnisse
+    find_package(PkgConfig)
+    pkg_check_modules(XML2 libxml-2.0)
+    if(XML2_FOUND)
+        target_include_directories(${PROJECT_NAME} PRIVATE /usr/include/GgraphicsMagick ${XML2_INCLUDE_DIRS})
+    endif()
+elseif(EXISTS "/etc/os-release" AND ("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux"))
+    # Tumbleweed-spezifische Include-Verzeichnisse
     target_include_directories(${PROJECT_NAME} PRIVATE /usr/include/GraphicsMagick)
+endif()
 
 if(Boost_FOUND)
     include_directories(${Boost_INCLUDE_DIRS})