ISO build (partial)

cmake/targets/dolphin.cmake

@@ -1,3 +1,7 @@
+# Build type: FAT (SD/USB via libfat) or ISO (DVD disc via libogc DVD driver)
+set(DUSK_DOLPHIN_BUILD_TYPE "FAT" CACHE STRING "Dolphin asset source: FAT (SD/USB) or ISO (DVD disc)")
+set_property(CACHE DUSK_DOLPHIN_BUILD_TYPE PROPERTY STRINGS "FAT" "ISO")
+
 # Target definitions
 target_compile_definitions(${DUSK_LIBRARY_TARGET_NAME} PUBLIC
   DUSK_DOLPHIN
@@ -5,8 +9,10 @@ target_compile_definitions(${DUSK_LIBRARY_TARGET_NAME} PUBLIC
   DUSK_DISPLAY_WIDTH=640
   DUSK_DISPLAY_HEIGHT=480
   DUSK_THREAD_PTHREAD
+  DUSK_DOLPHIN_BUILD_TYPE="${DUSK_DOLPHIN_BUILD_TYPE}"
 )
 
+
 # Custom compiler flags
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-rtti -fno-exceptions")
 
@@ -26,11 +32,16 @@ find_package(cglm REQUIRED)
 target_link_libraries(${DUSK_LIBRARY_TARGET_NAME} PRIVATE
   cglm
   m
-  fat
   PkgConfig::zip
 )
 
-# Postbuild
+if(DUSK_DOLPHIN_BUILD_TYPE STREQUAL "ISO")
+  target_compile_definitions(${DUSK_LIBRARY_TARGET_NAME} PUBLIC DUSK_DOLPHIN_BUILD_ISO)
+else()
+  target_link_libraries(${DUSK_LIBRARY_TARGET_NAME} PRIVATE fat)
+endif()
+
+# Postbuild: ELF -> DOL
 set(DUSK_BINARY_TARGET_NAME_DOL "${DUSK_BUILD_DIR}/Dusk.dol")
 add_custom_command(TARGET ${DUSK_BINARY_TARGET_NAME} POST_BUILD
   COMMAND elf2dol