Build docs after API if Doxygen and LaTeX are found

CMakeLists.txt

@@ -489,3 +489,14 @@ add_custom_command(TARGET tests POST_BUILD
     COMMAND ${CMAKE_COMMAND} -E copy_directory
         ${SOURCE_DIR}
         $<TARGET_FILE_DIR:tests>)
+
+find_package(Doxygen)
+find_package(LATEX)
+
+IF (DOXYGEN_FOUND AND LATEX_FOUND)
+    # Run Doxygen and LaTeX to generate readme
+    add_custom_command(TARGET loot_api POST_BUILD
+        COMMAND ${DOXYGEN_EXECUTABLE} Doxyfile
+        COMMAND "${CMAKE_SOURCE_DIR}/docs/latex/make.bat"
+        WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}/docs")
+ENDIF ()