[cmake] fix offline build

Signed-off-by: crueter <crueter@eden-emu.dev>

CMakeLists.txt

@@ -34,6 +34,7 @@ endif()
 # On Linux system SDL2 is likely to be lacking HIDAPI support which have drawbacks but is needed for SDL motion
 option(ENABLE_SDL2 "Enable the SDL2 frontend" ON)
 CMAKE_DEPENDENT_OPTION(YUZU_USE_BUNDLED_SDL2 "Download bundled SDL2 binaries" ON "ENABLE_SDL2;MSVC" OFF)
+
 if (${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD")
     CMAKE_DEPENDENT_OPTION(YUZU_USE_EXTERNAL_SDL2 "Compile external SDL2" OFF "ENABLE_SDL2;NOT MSVC" OFF)
 else()
@@ -629,6 +630,9 @@ find_package(VulkanHeaders REQUIRED)
 find_package(VulkanUtilityLibraries REQUIRED)
 find_package(VulkanMemoryAllocator REQUIRED)
 find_package(httplib REQUIRED)
+if (NOT YUZU_USE_BUNDLED_SDL2)
+    find_package(SDL2 REQUIRED)
+endif()
 
 if (ENABLE_QT)
     if (YUZU_USE_BUNDLED_QT)
@@ -733,10 +737,6 @@ find_package(Threads REQUIRED)
 # Platform-specific library requirements
 # ======================================
 
-if (TARGET Boost::headers)
-    target_link_libraries(Boost::headers INTERFACE Boost::disable_autolinking)
-endif()
-
 if (APPLE)
     # Umbrella framework for everything GUI-related
     find_library(COCOA_LIBRARY Cocoa)

externals/CMakeLists.txt

@@ -133,6 +133,7 @@ if (YUZU_USE_EXTERNAL_SDL2)
         SHA ${SDL_HASH}
         HASH ${SDL_SHA512SUM}
         KEY ${YUZU_SYSTEM_PROFILE}
+        SYSTEM_PACKAGE OFF
     )
 endif()
 

src/shader_recompiler/CMakeLists.txt

@@ -242,13 +242,7 @@ add_library(shader_recompiler STATIC
     varying_state.h
 )
 
-if (YUZU_USE_EXTERNAL_VULKAN_SPIRV_TOOLS)
-    set(SPIRV_TOOLS_LIBRARY SPIRV-Tools-opt)
-else()
-    set(SPIRV_TOOLS_LIBRARY SPIRV-Tools-opt SPIRV-Tools SPIRV-Tools-link)
-endif()
-
-target_link_libraries(shader_recompiler PUBLIC common fmt::fmt sirit ${SPIRV_TOOLS_LIBRARY})
+target_link_libraries(shader_recompiler PUBLIC common fmt::fmt sirit SPIRV-Tools-opt SPIRV-Tools SPIRV-Tools-link)
 
 if (MSVC)
     target_compile_options(shader_recompiler PRIVATE