Log by line compilation option

Signed-off-by: swurl <swurl@swurl.xyz>

CMakeLists.txt

@@ -73,6 +73,8 @@ option(YUZU_ENABLE_LTO "Enable link-time optimization" OFF)
 
 option(YUZU_DOWNLOAD_TIME_ZONE_DATA "Always download time zone binaries" OFF)
 
+option(YUZU_LOG_BY_LINE "Flush log data by the line rather than 4KB buffers" OFF)
+
 option(YUZU_ENABLE_PORTABLE "Allow yuzu to enable portable mode if a user folder is found in the CWD" ON)
 
 CMAKE_DEPENDENT_OPTION(YUZU_USE_FASTER_LD "Check if a faster linker is available" ON "NOT WIN32" OFF)
@@ -285,6 +287,11 @@ if (ARCHITECTURE_arm64 AND (ANDROID OR ${CMAKE_SYSTEM_NAME} STREQUAL "Linux"))
     add_definitions(-DHAS_NCE=1)
 endif()
 
+if (YUZU_LOG_BY_LINE)
+    add_definitions(-DYUZU_LOG_BY_LINE=1)
+endif()
+
+
 # Configure C++ standard
 # ===========================