Merge pull request #4666

Maxim Biro (1):
      fix(build): Fixed header file of libfilteraudio not being found

CMakeLists.txt

@@ -538,7 +538,7 @@ if(${ENABLE_GTK_SYSTRAY})
 endif()
 
 if(${USE_FILTERAUDIO})
-    search_dependency(FILTERAUDIO LIBRARY filteraudio OPTIONAL)
+    search_dependency(FILTERAUDIO LIBRARY filteraudio HEADER filter_audio.h OPTIONAL)
     if(${FILTERAUDIO_FOUND})
         set(${PROJECT_NAME}_SOURCES ${${PROJECT_NAME}_SOURCES}
             src/audio/backend/openal2.cpp

cmake/Dependencies.cmake

@@ -35,7 +35,7 @@ include(Qt5CorePatches)
 
 function(search_dependency pkg)
   set(options OPTIONAL)
-  set(oneValueArgs PACKAGE LIBRARY FRAMEWORK)
+  set(oneValueArgs PACKAGE LIBRARY FRAMEWORK HEADER)
   set(multiValueArgs)
   cmake_parse_arguments(arg "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
 
@@ -60,7 +60,8 @@ function(search_dependency pkg)
   # Last, search for the library itself globally.
   if(NOT ${pkg}_FOUND AND arg_LIBRARY)
     find_library(${pkg}_LIBRARIES NAMES ${arg_LIBRARY})
-    if(${pkg}_LIBRARIES)
+    find_path(${pkg}_INCLUDE_DIRS NAMES ${arg_HEADER})
+    if(${pkg}_LIBRARIES AND ${pkg}_INCLUDE_DIRS)
       set(${pkg}_FOUND TRUE)
     endif()
   endif()