From 4fd1a35b2a9baff0b2158f96c6383ea435d36180 Mon Sep 17 00:00:00 2001
From: Ryan Houdek <Sonicadvance1@gmail.com>
Date: Mon, 1 Dec 2025 16:17:37 -0800
Subject: [PATCH] CMake: Disable some installs when building for Steam

---
 CMakeLists.txt                | 12 ++++++++++--
 FEXCore/CMakeLists.txt        |  8 +++++---
 FEXCore/Source/CMakeLists.txt |  8 +++++---
 Source/Tools/CMakeLists.txt   |  5 ++++-
 4 files changed, 24 insertions(+), 9 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 68e48349c..4023fbc91 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -33,6 +33,7 @@ option(ENABLE_FEXCORE_PROFILER "Enables use of the FEXCore timeline profiling ca
 set (FEXCORE_PROFILER_BACKEND "gpuvis" CACHE STRING "Set which backend to use for the FEXCore profiler (gpuvis, tracy)")
 option(ENABLE_GLIBC_ALLOCATOR_HOOK_FAULT "Enables glibc memory allocation hooking with fault for CI testing")
 option(USE_PDB_DEBUGINFO "Builds debug info in PDB format" FALSE)
+option(BUILD_STEAM_SUPPORT "Builds support for steampipe depot creation" FALSE)
 
 set (X86_32_TOOLCHAIN_FILE "${CMAKE_CURRENT_SOURCE_DIR}/Data/CMake/toolchain_x86_32.cmake" CACHE FILEPATH "Toolchain file for the (cross-)compiler targeting i686")
 set (X86_64_TOOLCHAIN_FILE "${CMAKE_CURRENT_SOURCE_DIR}/Data/CMake/toolchain_x86_64.cmake" CACHE FILEPATH "Toolchain file for the (cross-)compiler targeting x86_64")
@@ -64,6 +65,10 @@ if (NOT MINGW_BUILD)
   endif()
 endif()
 
+if (BUILD_STEAM_SUPPORT)
+  add_definitions(-DFEX_STEAM_SUPPORT=1)
+endif()
+
 if (ENABLE_FEXCORE_PROFILER)
   add_definitions(-DENABLE_FEXCORE_PROFILER=1)
   string(TOUPPER "${FEXCORE_PROFILER_BACKEND}" FEXCORE_PROFILER_BACKEND)
@@ -476,13 +481,16 @@ add_subdirectory(FEXHeaderUtils/)
 add_subdirectory(CodeEmitter/)
 add_subdirectory(FEXCore/)
 
-if (_M_ARM_64 AND NOT MINGW_BUILD)
+if (_M_ARM_64 AND NOT MINGW_BUILD AND NOT BUILD_STEAM_SUPPORT)
   # Binfmt_misc files must be installed prior to Source/ installs
   add_subdirectory(Data/binfmts/)
 endif()
 
 add_subdirectory(Source/)
-add_subdirectory(Data/AppConfig/)
+
+if (NOT BUILD_STEAM_SUPPORT)
+  add_subdirectory(Data/AppConfig/)
+endif()
 
 # Install the ThunksDB file
 file(GLOB CONFIG_SOURCES CONFIGURE_DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/Data/*.json)
diff --git a/FEXCore/CMakeLists.txt b/FEXCore/CMakeLists.txt
index 90a14210c..8f60d8f39 100644
--- a/FEXCore/CMakeLists.txt
+++ b/FEXCore/CMakeLists.txt
@@ -74,9 +74,11 @@ add_compile_options($<$<COMPILE_LANGUAGE:CXX>:-fno-strict-aliasing> $<$<COMPILE_
 
 add_subdirectory(Source/)
 
-install (DIRECTORY include/FEXCore ${CMAKE_BINARY_DIR}/include/FEXCore
-  DESTINATION include
-  COMPONENT Development)
+if (NOT BUILD_STEAM_SUPPORT)
+  install (DIRECTORY include/FEXCore ${CMAKE_BINARY_DIR}/include/FEXCore
+    DESTINATION include
+    COMPONENT Development)
+endif()
 
 if (BUILD_TESTING)
   add_subdirectory(unittests/)
diff --git a/FEXCore/Source/CMakeLists.txt b/FEXCore/Source/CMakeLists.txt
index a4c9aa031..de1de9bde 100644
--- a/FEXCore/Source/CMakeLists.txt
+++ b/FEXCore/Source/CMakeLists.txt
@@ -201,8 +201,10 @@ add_custom_target(CONFIG_INC
   DEPENDS "${OUTPUT_MAN_NAME}"
   DEPENDS "${OUTPUT_MAN_NAME_COMPRESS}")
 
-# Install the compressed man page
-install(FILES ${OUTPUT_MAN_NAME_COMPRESS} COMPONENT Runtime DESTINATION ${MAN_DIR}/man1)
+if (NOT BUILD_STEAM_SUPPORT)
+  # Install the compressed man page
+  install(FILES ${OUTPUT_MAN_NAME_COMPRESS} COMPONENT Runtime DESTINATION ${MAN_DIR}/man1)
+endif()
 
 # Add in diagnostic colours if the option is available.
 # Ninja code generator will kill colours if this isn't here
@@ -289,7 +291,7 @@ AddObject(${PROJECT_NAME}_object OBJECT)
 AddLibrary(${PROJECT_NAME} STATIC)
 AddLibrary(${PROJECT_NAME}_shared SHARED)
 
-if (NOT MINGW_BUILD)
+if (NOT MINGW_BUILD AND NOT BUILD_STEAM_SUPPORT)
   install(TARGETS ${PROJECT_NAME}_shared
     LIBRARY
       DESTINATION ${CMAKE_INSTALL_LIBDIR}
diff --git a/Source/Tools/CMakeLists.txt b/Source/Tools/CMakeLists.txt
index cd900de5d..69f6dfc9b 100644
--- a/Source/Tools/CMakeLists.txt
+++ b/Source/Tools/CMakeLists.txt
@@ -14,7 +14,10 @@ if (NOT MINGW_BUILD)
     add_subdirectory(FEXGDBReader/)
   endif()
 
-  add_subdirectory(FEXRootFSFetcher/)
+  if (NOT BUILD_STEAM_SUPPORT)
+    add_subdirectory(FEXRootFSFetcher/)
+  endif()
+
   add_subdirectory(FEXGetConfig/)
   add_subdirectory(FEXServer/)
   add_subdirectory(FEXBash/)