- fix ubuntu 20.04 link

Author: dgcor

CMakeLists.txt

@@ -21,7 +21,7 @@ if(MOVIE_SUPPORT)
     find_package(FFmpeg COMPONENTS avcodec avformat avutil swscale)
 endif()
 find_package(PhysFS REQUIRED)
-find_package(SFML 2.5 COMPONENTS audio graphics REQUIRED)
+find_package(SFML 2.6 COMPONENTS audio graphics REQUIRED)
 
 include_directories(src)
 

DGEngine.core/CMakeLists.txt

@@ -449,6 +449,7 @@ elseif(CMAKE_CXX_COMPILER_ID MATCHES "GNU")
         message(FATAL_ERROR "GCC version must be at least 11.1!")
     endif()
     target_compile_options(${PROJECT_NAME} PRIVATE -Wall -Wpedantic)
+    target_link_libraries(${PROJECT_NAME} -lm -ldl)
 elseif(CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
     target_compile_options(${PROJECT_NAME} PRIVATE /GF /EHsc /W3 /wd4250 /wd4996)
     target_link_options(${PROJECT_NAME} PRIVATE /OPT:ICF /OPT:REF)