illwieckz · Sep 26, 2025 · Sep 26, 2025 · Jun 25, 2026 · Jun 25, 2026 · Jun 26, 2026
diff --git a/.gitignore b/.gitignore
@@ -40,6 +40,7 @@ build
 #ignore external deps
 external_deps/*
 !external_deps/build.sh
+!external_deps/sdk-build.sh
 !external_deps/cygtar.py
 !external_deps/*.patch
 

diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -76,7 +76,15 @@ if (Daemon_OUT)
 endif()
 
 include(Yokai/All)
-include(DaemonNaclHost)
+
+if (NOT YOKAI_TARGET_SYSTEM_NACL)
+	include(DaemonNaclArchitecture)
+
+	daemon_detect_nacl_arch("${YOKAI_TARGET_ARCH_NAME}")
+
+	# Add printable strings to the executable.
+	yokai_add_buildinfo("char*" "DAEMON_NACL_ARCH_STRING" "\"${DAEMON_NACL_ARCH_NAME}\"")
+endif()
 
 ################################################################################
 # Configuration options
@@ -142,7 +150,6 @@ set(DEFAULT_NACL_VM_INHERITED_OPTIONS
     BUILD_SGAME
     CMAKE_BUILD_TYPE
     CMAKE_VERBOSE_MAKEFILE
-    DAEMON_CBSE_PYTHON_PATH
     USE_ARCH_INTRINSICS
     USE_COMPILER_CUSTOMIZATION
     USE_COMPILER_INTRINSICS
@@ -190,8 +197,9 @@ else()
     set(FULL_OUTPUT_DIR ${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR})
 endif()
 
-# Dependencies version, this must match the number in external_deps/build.sh
-set(DEPS_VERSION 11)
+# Dependencies versions
+set(DEPS_VERSION 12) # This must match the number in external_deps/build.sh
+set(SAIGOSDK_VERSION 20260925) # This must match the number in external_deps/sdk-build.sh
 
 option(USE_EXTERNAL_DEPS "Download or reuse dependencies from EXTERNAL_DEPS_DIR (mandatory for building and running NaCl .nexe binaries)." ON)
 
@@ -221,17 +229,7 @@ if (USE_EXTERNAL_DEPS AND NOT YOKAI_TARGET_SYSTEM_NACL)
         set(SUPPORTED_${DEPS_SYSTEM}_ARCH amd64 i686)
     elseif (YOKAI_TARGET_SYSTEM_MACOS)
         set(DEPS_SYSTEM macos)
-        set(SUPPORTED_${DEPS_SYSTEM}_ARCH amd64)
-
-        if (YOKAI_TARGET_ARCH_ARM64)
-            set(DEPS_ARCH amd64)
-
-            set_deps_dir()
-
-            if (NOT EXISTS ${DEPS_DIR})
-                set(DEFAULT_USE_EXTERNAL_DEPS_LIBS OFF)
-            endif()
-        endif()
+        set(SUPPORTED_${DEPS_SYSTEM}_ARCH amd64 arm64)
     elseif (YOKAI_TARGET_SYSTEM_LINUX)
         set(DEPS_SYSTEM linux)
         set(SUPPORTED_${DEPS_SYSTEM}_ARCH amd64 i686 arm64 armhf)
@@ -266,6 +264,9 @@ endif()
 
 option(USE_EXTERNAL_DEPS_LIBS "Build and link against libraries from the EXTERNAL_DEPS_DIR" ${DEFAULT_USE_EXTERNAL_DEPS_LIBS})
 
+set(PNACLSDK_PREFIX "${DEPS_DIR}/pnacl" CACHE PATH "PNaCl SDK path")
+mark_as_advanced(PNACLSDK_PREFIX)
+
 if (USE_EXTERNAL_DEPS AND NOT YOKAI_TARGET_SYSTEM_NACL)
     if (DEPS_DIR)
         message(STATUS "Using external deps dir: ${DEPS_DIR}")
@@ -292,6 +293,7 @@ endif()
 # meaning we have to detect useless engine compiler to set
 # useless engine flags when only building vms.
 include(DaemonFlags)
+include(DaemonNaclFlags)
 
 # FIXME: Once engine flags would be only set when building the engine
 # this would be likely unused by vms as they are built by DaemonGame.
@@ -398,33 +400,33 @@ if (DEPS_DIR)
     if (NOT EXISTS ${DEPS_DIR})
         file(MAKE_DIRECTORY ${EXTERNAL_DEPS_DIR})
         get_filename_component(BASENAME ${DEPS_DIR} NAME)
-		set(DEPS_FILENAME "${BASENAME}${DEPS_EXT}")
-
-		# Download test DEPS archive if DEPS archive isn't available yet.
-		# This makes possible to get the CI working before releasing the DEPS archive.
-		foreach(REMOTE_BASEURL https://dl.unvanquished.net/deps;https://dl.unvanquished.net/test/deps)
-			set(REMOTE "${REMOTE_BASEURL}/${DEPS_FILENAME}")
-			message(STATUS "Downloading dependencies from '${REMOTE}'")
-
-			file(DOWNLOAD "${REMOTE}" "${OBJ_DIR}/${DEPS_FILENAME}"
-				SHOW_PROGRESS
-				STATUS DOWNLOAD_RESULT
-				LOG DOWNLOAD_LOG
-			)
-
-			list(GET DOWNLOAD_RESULT 0 DOWNLOAD_STATUS)
-			list(GET DOWNLOAD_RESULT 1 DOWNLOAD_STRING)
-
-			if (DOWNLOAD_STATUS EQUAL 0)
-				break()
-			else ()
-				message(WARNING "Error downloading '${REMOTE}':
-					Status code: ${DOWNLOAD_STATUS}
-					Error string: ${DOWNLOAD_STRING}
-					Download log: ${DOWNLOAD_LOG}"
-				)
-			endif()
-		endforeach()
+        set(DEPS_FILENAME "${BASENAME}${DEPS_EXT}")
+
+        # Download test DEPS archive if DEPS archive isn't available yet.
+        # This makes possible to get the CI working before releasing the DEPS archive.
+        foreach(REMOTE_BASEURL https://dl.unvanquished.net/deps;https://dl.unvanquished.net/test/deps)
+            set(REMOTE "${REMOTE_BASEURL}/${DEPS_FILENAME}")
+            message(STATUS "Downloading dependencies from '${REMOTE}'")
+
+            file(DOWNLOAD "${REMOTE}" "${OBJ_DIR}/${DEPS_FILENAME}"
+                SHOW_PROGRESS
+                STATUS DOWNLOAD_RESULT
+                LOG DOWNLOAD_LOG
+            )
+
+            list(GET DOWNLOAD_RESULT 0 DOWNLOAD_STATUS)
+            list(GET DOWNLOAD_RESULT 1 DOWNLOAD_STRING)
+
+            if (DOWNLOAD_STATUS EQUAL 0)
+                break()
+            else ()
+                message(WARNING "Error downloading '${REMOTE}':
+                    Status code: ${DOWNLOAD_STATUS}
+                    Error string: ${DOWNLOAD_STRING}
+                    Download log: ${DOWNLOAD_LOG}"
+                )
+            endif()
+        endforeach()
 
         if (NOT DOWNLOAD_STATUS EQUAL 0)
             message(FATAL_ERROR "Failed to download '${DEPS_FILENAME}'")
@@ -443,6 +445,11 @@ if (DEPS_DIR)
         endif()
     endif()
 
+    if (BUILD_GAME_NACL AND USE_NACL_SAIGO AND NOT SAIGOSDK_PREFIX)
+        include(DaemonDependenciesDownload)
+        download_saigosdk()
+    endif()
+
     if (USE_EXTERNAL_DEPS_LIBS)
         # Add to paths
         set(CMAKE_FIND_ROOT_PATH ${DEPS_DIR} ${CMAKE_FIND_ROOT_PATH})
@@ -463,7 +470,6 @@ endif()
 # LIBS_BASE, LIBS_ENGINE_BASE LIBS_ENGINE, LIBS_BASECLIENT, LIBS_CLIENT
 
 # Native client
-include(DaemonNacl)
 if (YOKAI_TARGET_SYSTEM_NACL)
     add_library(srclibs-nacl-module EXCLUDE_FROM_ALL ${NACLLIST_MODULE})
     set(LIBS_BASE ${LIBS_BASE} srclibs-nacl-module)
@@ -484,16 +490,6 @@ elseif (YOKAI_TARGET_SYSTEM_NACL)
     find_library(NACL_EXCEPTION nacl_exception)
     find_library(NACL_MINIDUMP minidump_generator)
 
-    # HACK: To be removed when Saigo is repackaged properly.
-    if (NOT NACL_MINIDUMP
-    # NACL_TARGET is specific to Saigo, PNaCl target is le32 and doesn't set NACL_TARGET.
-    AND "${NACL_TARGET}" STREQUAL "i686"
-    # x86_64-nacl/lib32 is specific to Google build, other builds may provide i686-nacl/lib instead.
-    AND EXISTS "${DEPS_DIR}/saigo_newlib/x86_64-nacl/lib32")
-        set(NACL_EXCEPTION "${DEPS_DIR}/saigo_newlib/x86_64-nacl/lib32/libnacl_exception.a")
-        set(NACL_MINIDUMP "${DEPS_DIR}/saigo_newlib/x86_64-nacl/lib32/libminidump_generator.a")
-    endif()
-
     set(LIBS_BASE ${LIBS_BASE} ${NACL_MINIDUMP} ${NACL_EXCEPTION})
 else()
     find_library(LIBM m)
@@ -970,56 +966,49 @@ if (DEPS_DIR AND HAS_NACL AND (BUILD_CLIENT OR BUILD_TTY_CLIENT OR BUILD_SERVER
     add_custom_target(runtime_deps)
     set_target_properties(runtime_deps PROPERTIES FOLDER "CMakePlumbing")
 
-    # The NaCl loader and IRT are required to load .nexe files
-    add_custom_command(TARGET runtime_deps PRE_BUILD
-        COMMAND ${CMAKE_COMMAND} -E copy_if_different
-            ${DEPS_DIR}/nacl_loader${CMAKE_EXECUTABLE_SUFFIX}
-            ${FULL_OUTPUT_DIR}/nacl_loader${CMAKE_EXECUTABLE_SUFFIX}
-    )
+    foreach(arch_name IN LISTS DAEMON_NACL_ARCH_NAME_LIST)
+        # The NaCl loader and IRT are required to load .nexe files
+            add_custom_command(TARGET runtime_deps PRE_BUILD
+                COMMAND ${CMAKE_COMMAND} -E copy_if_different
+                    ${DEPS_DIR}/nacl_loader-${arch_name}${CMAKE_EXECUTABLE_SUFFIX}
+                    ${FULL_OUTPUT_DIR}/nacl_loader-${arch_name}${CMAKE_EXECUTABLE_SUFFIX}
+            )
 
-    add_custom_command(TARGET runtime_deps PRE_BUILD
-        COMMAND ${CMAKE_COMMAND} -E copy_if_different
-            ${DEPS_DIR}/irt_core-${DAEMON_NACL_ARCH_NAME}.nexe
-            ${FULL_OUTPUT_DIR}/irt_core-${DAEMON_NACL_ARCH_NAME}.nexe
-    )
+        add_custom_command(TARGET runtime_deps PRE_BUILD
+            COMMAND ${CMAKE_COMMAND} -E copy_if_different
+                ${DEPS_DIR}/irt_core-${arch_name}.nexe
+                ${FULL_OUTPUT_DIR}/irt_core-${arch_name}.nexe
+        )
+    endforeach()
 
-    # Linux uses a bootstrap program to reserve address space
     if (YOKAI_TARGET_SYSTEM_LINUX_COMPATIBILITY)
-        if (YOKAI_TARGET_ARCH_ARM64)
-            add_executable(nacl_helper_bootstrap-armhf tools/nacl_helper_bootstrap-armhf/nacl_helper_bootstrap-armhf.cpp)
-            add_dependencies(runtime_deps nacl_helper_bootstrap-armhf)
-
+        foreach(arch_name IN LISTS DAEMON_NACL_MULTILIB_ARCH_NAME_LIST)
             add_custom_command(TARGET runtime_deps PRE_BUILD
-                COMMAND ${CMAKE_COMMAND} -E make_directory
-                    ${FULL_OUTPUT_DIR}/lib-armhf
+                COMMAND ${CMAKE_COMMAND} -E copy_directory
+                    ${DEPS_DIR}/libs-linux-${arch_name}
+                    ${FULL_OUTPUT_DIR}/libs-linux-${arch_name}
             )
+        endforeach()
+
+        # Linux uses a bootstrap program to reserve address space for 32-bit runtimes.
+        foreach(arch_name IN LISTS DAEMON_NACL_ARCH_NAME_LIST)
+            set(arch_32bit "i686" "armhf")
+            if ("${arch_name}" IN_LIST arch_32bit)
+                add_custom_command(TARGET runtime_deps PRE_BUILD
+                    COMMAND ${CMAKE_COMMAND} -E copy_if_different
+                        ${DEPS_DIR}/nacl_helper_bootstrap-${arch_name}
+                        ${FULL_OUTPUT_DIR}/nacl_helper_bootstrap-${arch_name}
+                )
+            endif()
+        endforeach()
 
+        if (DAEMON_NACL_BOX64_EMULATION)
             add_custom_command(TARGET runtime_deps PRE_BUILD
-                COMMAND ${CMAKE_COMMAND} -E copy_directory
-                    ${DEPS_DIR}/lib-armhf
-                    ${FULL_OUTPUT_DIR}/lib-armhf
+                COMMAND ${CMAKE_COMMAND} -E copy_if_different
+                    ${DEPS_DIR}/box64
+                    ${FULL_OUTPUT_DIR}/box64
             )
         endif()
-
-        add_custom_command(TARGET runtime_deps PRE_BUILD
-            COMMAND ${CMAKE_COMMAND} -E copy_if_different
-                ${DEPS_DIR}/nacl_helper_bootstrap
-                ${FULL_OUTPUT_DIR}/nacl_helper_bootstrap
-        )
-    endif()
-
-    # Win32 requires nacl_loader_amd64.exe in order to run on Win64
-    if (YOKAI_TARGET_SYSTEM_WINDOWS AND YOKAI_TARGET_ARCH_I686)
-        add_custom_command(TARGET runtime_deps PRE_BUILD
-            COMMAND ${CMAKE_COMMAND} -E copy_if_different
-                ${DEPS_DIR}/nacl_loader-amd64${CMAKE_EXECUTABLE_SUFFIX}
-                ${FULL_OUTPUT_DIR}/nacl_loader-amd64${CMAKE_EXECUTABLE_SUFFIX}
-        )
-        add_custom_command(TARGET runtime_deps PRE_BUILD
-            COMMAND ${CMAKE_COMMAND} -E copy_if_different
-                ${DEPS_DIR}/irt_core-amd64.nexe
-                ${FULL_OUTPUT_DIR}/irt_core-amd64.nexe
-        )
     endif()
 
     # Mac requires some libraries from external_deps

diff --git a/cmake/DaemonDependenciesDownload.cmake b/cmake/DaemonDependenciesDownload.cmake
@@ -0,0 +1,74 @@
+# Daemon BSD Source Code
+# Copyright (c) 2013-2026, Daemon Developers
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#  * Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+#  * Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#  * Neither the name of the Daemon developers nor the
+#    names of its contributors may be used to endorse or promote products
+#    derived from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL DAEMON DEVELOPERS BE LIABLE FOR ANY
+# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+# TODO: Move other deps downloading code in here.
+
+set(SAIGOSDK_BASENAME "saigosdk-${DEPS_SYSTEM}-${DEPS_ARCH}_${SAIGOSDK_VERSION}")
+
+# Warning: changing SAIGOSDK_PREFIX/SAIGOSDK_VERSION after subprojects have been configured WILL
+# change the compiler, but it is a bad idea since flag tests and such (not to mention the actual
+# compiled artifacts) will be out of date.
+set(SAIGOSDK_PREFIX "${EXTERNAL_DEPS_DIR}/${SAIGOSDK_BASENAME}" CACHE PATH "PNaCl SDK path")
+mark_as_advanced(SAIGOSDK_PREFIX)
+
+# As an alternative to downloading, external_deps/sdk-build.sh can be used, to build the host-mode
+# dependencies and install them in the expected path.
+function(download_saigosdk)
+    if (NOT EXISTS "${SAIGOSDK_PREFIX}")
+        set(DEPS_FILENAME "${SAIGOSDK_BASENAME}.tar.xz")
+        set(REMOTE "https://github.com/DaemonEngine/saigo-nacl-sdk/releases/download/v${SAIGOSDK_VERSION}/${DEPS_FILENAME}")
+        message(STATUS "Downloading NaCl SDK from '${REMOTE}'")
+
+        file(DOWNLOAD "${REMOTE}" "${OBJ_DIR}/${DEPS_FILENAME}"
+            SHOW_PROGRESS
+            STATUS DOWNLOAD_RESULT
+            LOG DOWNLOAD_LOG
+        )
+
+        list(GET DOWNLOAD_RESULT 0 DOWNLOAD_STATUS)
+        list(GET DOWNLOAD_RESULT 1 DOWNLOAD_STRING)
+
+        if (NOT DOWNLOAD_STATUS EQUAL 0)
+            message(FATAL_ERROR "Failed to download '${REMOTE}': This may be a network error, or your system may be an unsupported host platform.
+                Status code: ${DOWNLOAD_STATUS}
+                Error string: ${DOWNLOAD_STRING}
+                Download log: ${DOWNLOAD_LOG}"
+            )
+        endif()
+
+        message(STATUS "SDK download completed successfully")
+
+        # Extract the downloaded archive
+        execute_process(
+            COMMAND ${CMAKE_COMMAND} -E tar xJf ${OBJ_DIR}/${DEPS_FILENAME}
+            WORKING_DIRECTORY ${EXTERNAL_DEPS_DIR}
+            RESULT_VARIABLE EXTRACT_RESULT
+        )
+        if (NOT EXTRACT_RESULT EQUAL 0)
+            message(FATAL_ERROR "Could not extract ${DEPS_FILENAME}")
+        endif()
+    endif()
+endfunction()