[cmake] add a `YUZU_STATIC_ROOM` option (#3411)

Lets you build ONLY the necessary targets to get a statically linked
room executable.

Only intended to be used on musl targets due to getaddrinfo et al.

Signed-off-by: crueter <crueter@eden-emu.dev>
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/3411
Reviewed-by: MaranBr <maranbr@eden-emu.dev>

1 files changed, 36 insertions, 30 deletions

diff --git a/externals/CMakeLists.txt b/externals/CMakeLists.txt
index 6851016a07..271e49caaa 100644
--- a/externals/CMakeLists.txt
+++ b/externals/CMakeLists.txt
@@ -1,4 +1,4 @@
-# SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+# SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 # SPDX-FileCopyrightText: 2016 Citra Emulator Project
@@ -34,19 +34,6 @@ if (ARCHITECTURE_x86 OR ARCHITECTURE_x86_64)
     endif()
 endif()
 
-# Oaknut
-if (ARCHITECTURE_arm64 OR DYNARMIC_TESTS)
-    AddJsonPackage(oaknut)
-endif()
-
-# biscuit
-if (ARCHITECTURE_riscv64)
-    AddJsonPackage(biscuit)
-endif()
-
-# mcl
-AddJsonPackage(mcl)
-
 # enet
 AddJsonPackage(enet)
 
@@ -61,6 +48,41 @@ endif()
 # mbedtls
 AddJsonPackage(mbedtls)
 
+# stb
+add_library(stb stb/stb_dxt.cpp)
+target_include_directories(stb PUBLIC ./stb)
+
+if (NOT TARGET stb::headers)
+    add_library(stb::headers ALIAS stb)
+endif()
+
+# ItaniumDemangle
+if (NOT TARGET LLVM::Demangle)
+    add_library(demangle demangle/ItaniumDemangle.cpp)
+    target_include_directories(demangle PUBLIC ./demangle)
+    if (NOT MSVC)
+        target_compile_options(demangle PRIVATE -Wno-deprecated-declarations) # std::is_pod
+    endif()
+    add_library(LLVM::Demangle ALIAS demangle)
+endif()
+
+if (YUZU_STATIC_ROOM)
+    return()
+endif()
+
+# Oaknut
+if (ARCHITECTURE_arm64 OR DYNARMIC_TESTS)
+    AddJsonPackage(oaknut)
+endif()
+
+# biscuit
+if (ARCHITECTURE_riscv64)
+    AddJsonPackage(biscuit)
+endif()
+
+# mcl
+AddJsonPackage(mcl)
+
 # VulkanUtilityHeaders - pulls in headers and utility libs
 AddJsonPackage(vulkan-utility-headers)
 
@@ -243,22 +265,6 @@ endif()
 # TZDB (Time Zone Database)
 add_subdirectory(nx_tzdb)
 
-if (NOT TARGET LLVM::Demangle)
-    add_library(demangle demangle/ItaniumDemangle.cpp)
-    target_include_directories(demangle PUBLIC ./demangle)
-    if (NOT MSVC)
-        target_compile_options(demangle PRIVATE -Wno-deprecated-declarations) # std::is_pod
-    endif()
-    add_library(LLVM::Demangle ALIAS demangle)
-endif()
-
-add_library(stb stb/stb_dxt.cpp)
-target_include_directories(stb PUBLIC ./stb)
-
-if (NOT TARGET stb::headers)
-    add_library(stb::headers ALIAS stb)
-endif()
-
 add_library(tz tz/tz/tz.cpp)
 target_include_directories(tz PUBLIC ./tz)