0001-android-build-compatabilty.patch

From bab337368cb4af98ba86f96fb97bd11973358bba Mon Sep 17 00:00:00 2001
From: lumaparallax <257510328+lumaparallax@users.noreply.github.com>
Date: Mon, 20 Apr 2026 20:19:17 +0900
Subject: [PATCH 01/10] android-build-compatabilty

---
 CMakeLists.txt                     | 10 ++++++++++
 cmake/common/compiler_common.cmake |  6 +++++-
 cmake/common/osconfig.cmake        | 11 ++++++++---
 cmake/linux/compilerconfig.cmake   | 10 ++++++++++
 frontend/cmake/os-linux.cmake      |  6 ++++--
 plugins/CMakeLists.txt             |  4 +++-
 6 files changed, 40 insertions(+), 7 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4af6f90b7..22daf3e67 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,6 +4,16 @@ include("${CMAKE_CURRENT_SOURCE_DIR}/cmake/common/bootstrap.cmake" NO_POLICY_SCO
 
 project(obs-studio VERSION ${OBS_VERSION_CANONICAL})
 
+# OBS subdirectories and Find*.cmake modules often strictly check for "Linux".
+if(CMAKE_SYSTEM_NAME MATCHES "Android" OR CMAKE_HOST_SYSTEM_NAME MATCHES "Android")
+    message(STATUS "Android platform detected. Enforcing Linux build paths.")
+    set(CMAKE_SYSTEM_NAME "Linux")
+    set(CMAKE_HOST_SYSTEM_NAME "Linux")
+    set(OS_LINUX TRUE)
+    set(OS_POSIX TRUE)
+    set(OS_ANDROID TRUE)
+endif()
+
 if(CMAKE_HOST_SYSTEM_NAME MATCHES "Windows")
   include("${CMAKE_CURRENT_SOURCE_DIR}/cmake/windows/architecture.cmake")
   if(NOT OBS_PARENT_ARCHITECTURE STREQUAL CMAKE_VS_PLATFORM_NAME)
diff --git a/cmake/common/compiler_common.cmake b/cmake/common/compiler_common.cmake
index f6b9dd36f..bcb522b39 100644
--- a/cmake/common/compiler_common.cmake
+++ b/cmake/common/compiler_common.cmake
@@ -83,7 +83,11 @@ if(CMAKE_CXX_STANDARD GREATER_EQUAL 20)
 endif()
 
 if(NOT DEFINED CMAKE_COMPILE_WARNING_AS_ERROR)
-  set(CMAKE_COMPILE_WARNING_AS_ERROR ON)
+  if(OS_ANDROID)
+    set(CMAKE_COMPILE_WARNING_AS_ERROR OFF)
+  else()
+    set(CMAKE_COMPILE_WARNING_AS_ERROR ON)
+  endif()
 endif()
 
 # Enable interprocedural optimization
diff --git a/cmake/common/osconfig.cmake b/cmake/common/osconfig.cmake
index 2dc6dedb8..2c765d35b 100644
--- a/cmake/common/osconfig.cmake
+++ b/cmake/common/osconfig.cmake
@@ -12,9 +12,14 @@ elseif(CMAKE_HOST_SYSTEM_NAME STREQUAL "Darwin")
   set(CMAKE_CXX_EXTENSIONS FALSE)
   list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/macos")
   set(OS_MACOS TRUE)
-elseif(CMAKE_HOST_SYSTEM_NAME MATCHES "Linux|FreeBSD|OpenBSD")
+elseif(CMAKE_HOST_SYSTEM_NAME MATCHES "Linux|FreeBSD|OpenBSD|Android")
   set(CMAKE_CXX_EXTENSIONS FALSE)
   list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/linux")
-  string(TOUPPER "${CMAKE_HOST_SYSTEM_NAME}" _SYSTEM_NAME_U)
-  set(OS_${_SYSTEM_NAME_U} TRUE)
+  if(CMAKE_HOST_SYSTEM_NAME STREQUAL "Android")
+    set(OS_LINUX TRUE)
+    set(OS_ANDROID TRUE)
+  else()
+    string(TOUPPER "${CMAKE_HOST_SYSTEM_NAME}" _SYSTEM_NAME_U)
+    set(OS_${_SYSTEM_NAME_U} TRUE)
+  endif()
 endif()
diff --git a/cmake/linux/compilerconfig.cmake b/cmake/linux/compilerconfig.cmake
index 3f4d45e4d..53bd28c82 100644
--- a/cmake/linux/compilerconfig.cmake
+++ b/cmake/linux/compilerconfig.cmake
@@ -85,3 +85,13 @@ else()
 endif()
 
 add_compile_definitions($<$<CONFIG:DEBUG>:DEBUG> $<$<CONFIG:DEBUG>:_DEBUG> SIMDE_ENABLE_OPENMP)
+
+if(OS_ANDROID OR CMAKE_SYSTEM_PROCESSOR MATCHES "aarch64|arm64")
+    add_compile_options(-fPIC)
+    add_compile_options(-ftls-model=global-dynamic)
+    if(CMAKE_VERSION VERSION_GREATER_EQUAL 3.13)
+        add_link_options(-fPIC)
+    else()
+        set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -fPIC")
+    endif()
+endif()
diff --git a/frontend/cmake/os-linux.cmake b/frontend/cmake/os-linux.cmake
index d146e7297..0aa18d558 100644
--- a/frontend/cmake/os-linux.cmake
+++ b/frontend/cmake/os-linux.cmake
@@ -16,8 +16,10 @@ if(Qt6_VERSION AND Qt6_VERSION VERSION_LESS "6.9.0")
   target_link_libraries(obs-studio PRIVATE Qt::GuiPrivate)
 endif()
 
-find_package(Libpci REQUIRED)
-target_link_libraries(obs-studio PRIVATE Libpci::pci)
+if(NOT OS_ANDROID)
+    find_package(Libpci REQUIRED)
+    target_link_libraries(obs-studio PRIVATE Libpci::pci)
+endif()
 
 if(TARGET OBS::python)
   find_package(Python REQUIRED COMPONENTS Interpreter Development)
diff --git a/plugins/CMakeLists.txt b/plugins/CMakeLists.txt
index c12f015c8..5f540bd77 100644
--- a/plugins/CMakeLists.txt
+++ b/plugins/CMakeLists.txt
@@ -61,13 +61,15 @@ check_obs_browser()
 add_obs_plugin(obs-ffmpeg)
 add_obs_plugin(obs-filters)
 add_obs_plugin(obs-libfdk)
-add_obs_plugin(obs-nvenc PLATFORMS WINDOWS LINUX ARCHITECTURES x64 x86_64)
 add_obs_plugin(obs-outputs)
+if (NOT OS_ANDROID)
+add_obs_plugin(obs-nvenc PLATFORMS WINDOWS LINUX ARCHITECTURES x64 x86_64)
 add_obs_plugin(
     obs-qsv11
     PLATFORMS WINDOWS LINUX
     ARCHITECTURES x64 x86_64
 )
+endif()
 add_obs_plugin(obs-text PLATFORMS WINDOWS)
 add_obs_plugin(obs-transitions)
 add_obs_plugin(
-- 
2.54.0