Allow linking against system libraries for almost everything (#1790)

src/CMakeData-globals.cmake

@@ -1,19 +1,22 @@
 list(APPEND SMDATA_GLOBAL_FILES_SRC
-  "GameLoop.cpp"
-  "global.cpp"
-  "SpecialFiles.cpp"
-  "StepMania.cpp" # TODO: Refactor into separate main project.
-  "${SM_SRC_DIR}/generated/verstub.cpp"
-)
+            "GameLoop.cpp"
+            "global.cpp"
+            "SpecialFiles.cpp"
+            "StepMania.cpp" # TODO: Refactor into separate main project.
+            "${SM_SRC_DIR}/generated/verstub.cpp")
 
 list(APPEND SMDATA_GLOBAL_FILES_HPP
-  "generated/config.hpp"
-  "GameLoop.h"
-  "global.h"
-  "ProductInfo.h" # TODO: Have this be auto-generated.
-  "SpecialFiles.h"
-  "StdString.h" # TODO: Remove the need for this file, transition to std::string.
-  "StepMania.h" # TODO: Refactor into separate main project.
-)
+            "generated/config.hpp"
+            "GameLoop.h"
+            "global.h"
+            "ProductInfo.h" # TODO: Have this be auto-generated.
+            "SpecialFiles.h"
+            "StdString.h" # TODO: Remove the need for this file, transition to
+                          # std::string.
+            "StepMania.h" # TODO: Refactor into separate main project.
+     )
 
-source_group("Global Files" FILES ${SMDATA_GLOBAL_FILES_SRC} ${SMDATA_GLOBAL_FILES_HPP})
+source_group("Global Files"
+             FILES
+             ${SMDATA_GLOBAL_FILES_SRC}
+             ${SMDATA_GLOBAL_FILES_HPP})