[ox] Cleanup, fix GBA build

deps/ox/src/ox/CMakeLists.txt

@@ -1,5 +1,14 @@
-set(OX_FREEBSD ${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD")
-set(OX_LINUX ${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
+if(${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD")
+	set(OX_OS_FREEBSD TRUE)
+else()
+	set(OX_OS_FREEBSD FALSE)
+endif()
+
+if(${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
+	set(OX_OS_LINUX TRUE)
+else()
+	set(OX_OS_LINUX FALSE)
+endif()
 
 if(OX_USE_STDLIB)
 	add_subdirectory(oc)

deps/ox/src/ox/fs/CMakeLists.txt

@@ -16,7 +16,7 @@ if(NOT MSVC)
 endif()
 
 if(NOT OX_BARE_METAL)
-	if(NOT APPLE AND NOT MSVC AND NOT ${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD")
+	if(NOT APPLE AND NOT MSVC AND NOT ${OX_OS_FREEBSD})
 		target_link_libraries(
 			OxFS PUBLIC
 				stdc++fs

deps/ox/src/ox/logconn/CMakeLists.txt

@@ -20,7 +20,7 @@ target_link_libraries(
 	OxLogConn PUBLIC
 		OxStd
 		OxMetalClaw
-		$<$<BOOL:OX_FREEBSD>:pthread>
+		$<$<BOOL:${OX_OS_FREEBSD}>:pthread>
 )
 
 install(

deps/ox/src/ox/std/CMakeLists.txt

@@ -44,10 +44,10 @@ add_library(
 if(NOT MSVC)
 	target_compile_options(OxStd PRIVATE -Wsign-conversion)
 	target_compile_options(OxStd PRIVATE -Wconversion)
-	if(${OX_LINUX})
+	if(${OX_OS_LINUX})
 		target_compile_options(OxStd PUBLIC -export-dynamic)
 		#target_link_options(OxStd PUBLIC -W1,-E)
-	elseif(${OX_FREEBSD})
+	elseif(${OX_OS_FREEBSD})
 		target_link_libraries(
 			OxStd PUBLIC
 				execinfo