Use return more for less indentations

external/gsl/CMakeLists.txt

@@ -16,12 +16,11 @@ if (DESKTOP_APP_USE_PACKAGED)
 
     if (Microsoft.GSL_FOUND)
         target_link_libraries(external_gsl INTERFACE Microsoft.GSL::GSL)
+        return()
     endif()
 endif()
 
-if (NOT Microsoft.GSL_FOUND)
 target_include_directories(external_gsl SYSTEM
 INTERFACE
     ${third_party_loc}/GSL/include
 )
-endif()

external/openal/CMakeLists.txt

@@ -12,11 +12,13 @@ if (DESKTOP_APP_USE_PACKAGED)
     if (OPENAL_FOUND)
         target_include_directories(external_openal SYSTEM INTERFACE ${OPENAL_INCLUDE_DIR})
         target_link_libraries(external_openal INTERFACE ${OPENAL_LIBRARY})
-    else()
+        return()
+    endif()
+
     find_package(PkgConfig REQUIRED)
     pkg_check_modules(OPENAL REQUIRED IMPORTED_TARGET openal)
     target_link_libraries(external_openal INTERFACE PkgConfig::OPENAL)
-    endif()
+    return()
 elseif (WIN32)
     target_include_directories(external_openal SYSTEM
     INTERFACE
@@ -49,9 +51,7 @@ else()
     )
 endif()
 
-if (NOT DESKTOP_APP_USE_PACKAGED)
 target_compile_definitions(external_openal
 INTERFACE
     AL_LIBTYPE_STATIC
 )
-endif()

external/ranges/CMakeLists.txt

@@ -16,10 +16,10 @@ if (DESKTOP_APP_USE_PACKAGED)
 
     if (range-v3_FOUND)
         target_link_libraries(external_ranges INTERFACE range-v3::range-v3)
+        return()
     endif()
 endif()
 
-if (NOT range-v3_FOUND)
 target_include_directories(external_ranges SYSTEM
 INTERFACE
     ${third_party_loc}/range-v3/include
@@ -32,4 +32,3 @@ if (NOT range-v3_FOUND)
         /wd5105 # needed for `/Zc:preprocessor`, suppressing C5105 "macro expansion producing 'defined' has undefined behavior"
     )
 endif()
-endif()