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ARMSX1/build.sh
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#!/bin/sh
set -e
# Usage:
# ./build.sh -> desktop build (static SDL if available)
# ./build.sh shared -> build shared lib (forces dynamic SDL)
# ./build.sh ios -> build iOS dylib using iPhone SDK + ios/Frameworks/SDL2.xcframework
# ./build.sh macosapp -> build desktop exe and bundle armsx.app
# ./build.sh wasm -> build WebAssembly target to bin/wasm using emscripten
# ./build.sh android -> build SDL2/libarmsx for Android and stage under android/app/src/main/jniLibs
# ./build.sh psvita -> build Vita native archive + Rust SDL host and package ARMSX.vpk
MODE="$1"
BUILD_JOBS="${BUILD_JOBS:-4}"
export USE_CHD="${USE_CHD:-1}"
# Profile-guided optimisation. Off unless asked for; forwarded verbatim to make by the android
# branch below, which is the only target wired for it today. See the PGO block in Makefile for
# what each value does, frontend/pgo.c for how the profile is collected on-device, and
# tools/pgo.sh for the loop that drives all of it.
#
# PGO=generate ./build.sh android instrumented build (slow; for collecting a profile)
# PGO=use ./build.sh android optimised build against build/pgo/armsx.profdata
#
# PGO_PROFILE / PGO_ALLOW_STALE / PGO_STRICT ride along for the staleness guard. PGO_ALLOW_STALE
# is NOT defaulted here on purpose: the Makefile's default of 0 is what makes a stale profile a
# build failure instead of a silent slowdown, and defaulting it in two places is how that kind of
# guard ends up accidentally disabled.
#
# Written as if-blocks rather than `[ -n "$x" ] && ...`: under `set -e` that idiom evaluates to a
# non-zero status on the common path (the variable being unset), which is a footgun waiting for
# whoever adds the next one.
PGO="${PGO:-off}"
PGO_MAKE_ARGS="PGO=${PGO}"
if [ -n "${PGO_PROFILE:-}" ]; then
PGO_MAKE_ARGS="${PGO_MAKE_ARGS} PGO_PROFILE=${PGO_PROFILE}"
fi
if [ -n "${PGO_ALLOW_STALE:-}" ]; then
PGO_MAKE_ARGS="${PGO_MAKE_ARGS} PGO_ALLOW_STALE=${PGO_ALLOW_STALE}"
fi
if [ -n "${PGO_STRICT:-}" ]; then
PGO_MAKE_ARGS="${PGO_MAKE_ARGS} PGO_STRICT=${PGO_STRICT}"
fi
build_fsui_native() {
if [ "$(uname -s)" = "Darwin" ]; then
MACOS_DEPLOYMENT_TARGET="${MACOS_DEPLOYMENT_TARGET:-10.15}"
cmake -S third_party/fsui-lib -B build/fsui/native \
-DFSUI_BUILD_SAMPLES=OFF \
-DFSUI_PLATFORM_BACKEND=SDL2 \
-DFSUI_USE_SYSTEM_SDL2=ON \
-DCMAKE_OSX_DEPLOYMENT_TARGET="${MACOS_DEPLOYMENT_TARGET}"
else
cmake -S third_party/fsui-lib -B build/fsui/native \
-DFSUI_BUILD_SAMPLES=OFF \
-DFSUI_PLATFORM_BACKEND=SDL2 \
-DFSUI_USE_SYSTEM_SDL2=ON
fi
cmake --build build/fsui/native -j"${BUILD_JOBS}"
}
build_fsui_wasm() {
if ! command -v emcmake >/dev/null 2>&1 || ! command -v emcc >/dev/null 2>&1; then
for candidate in "${EMSCRIPTEN_ROOT:-}" "${EMSDK:-}" "$HOME/emsdk" "/opt/emsdk" "/Volumes/FastDrive/linkertools/emsdk"; do
if [ -z "${candidate}" ] || [ ! -d "${candidate}" ]; then
continue
fi
if [ -x "${candidate}/upstream/emscripten/emcmake" ] && [ -x "${candidate}/upstream/emscripten/emcc" ]; then
export EMSDK="${candidate}"
export EMSCRIPTEN="${candidate}/upstream/emscripten"
PATH="${candidate}/upstream/emscripten:${PATH}"
node_bin="$(find "${candidate}/node" -type f -name node 2>/dev/null | head -n 1)"
if [ -n "${node_bin}" ]; then
PATH="$(dirname "${node_bin}"):${PATH}"
fi
export PATH
break
fi
if [ -x "${candidate}/emcmake" ] && [ -x "${candidate}/emcc" ]; then
PATH="${candidate}:${PATH}"
export PATH
break
fi
done
fi
if ! command -v emcmake >/dev/null 2>&1 || ! command -v emcc >/dev/null 2>&1; then
echo "emcmake/emcc are required for the wasm FSUI build. Set EMSCRIPTEN_ROOT, EMSDK, or install Emscripten under \$HOME/emsdk."
exit 1
fi
emcmake cmake -S third_party/fsui-lib -B build/fsui/wasm \
-DFSUI_BUILD_SAMPLES=OFF \
-DFSUI_PLATFORM_BACKEND=SDL2
cmake --build build/fsui/wasm -j"${BUILD_JOBS}"
}
build_fsui_psvita() {
if [ -z "${VITASDK:-}" ]; then
echo "VITASDK must be set for PSVita builds."
exit 1
fi
cmake -S cmake/psvita-fsui -B build/fsui/psvita \
-DCMAKE_TOOLCHAIN_FILE="${VITASDK}/share/vita.toolchain.cmake" \
-DCMAKE_BUILD_TYPE=Release \
-DCMAKE_POSITION_INDEPENDENT_CODE=OFF \
-DVITASDK="${VITASDK}" \
-DFSUI_BUILD_SAMPLES=OFF \
-DFSUI_ENABLE_INSTALL=OFF \
-DFSUI_PLATFORM_BACKEND=SDL2 \
-DFSUI_IMGUI_OPENGL_ES3=ON
cmake --build build/fsui/psvita -j"${BUILD_JOBS}"
# The Vita Rust wrapper expects the FSUI archives in the CMake root output
# directory, so stage the real archives out of the nested fsui-lib build.
cp build/fsui/psvita/fsui-lib/libfsui*.a build/fsui/psvita/
}
bundle_macos_app() {
rm -rf armsx.app/Contents/Libraries
mkdir -p armsx.app/Contents/MacOS
mkdir -p armsx.app/Contents/Resources/icons
cp bin/armsx armsx.app/Contents/MacOS
cp icons/ArmsxDesktop.icns armsx.app/Contents/Resources/armsx.icns
cp -R icons/. armsx.app/Contents/Resources/icons/
chmod 777 armsx.app/Contents/MacOS/armsx
dylibbundler -b -x ./armsx.app/Contents/MacOS/armsx -d ./armsx.app/Contents/Libraries/ -p @executable_path/../Libraries/ -cd
cp Info.plist armsx.app/Contents/Info.plist
}
stage_android_runtime_icons() {
mkdir -p android/app/src/main/assets/icons
cp -R icons/. android/app/src/main/assets/icons/
}
prepare_ios_sdl_package() {
IOS_SDL_FRAMEWORK="$1"
IOS_SDL_PACKAGE_ROOT="$(pwd)/build/fsui/ios-sdl-package/SDL2.framework"
rm -rf "${IOS_SDL_PACKAGE_ROOT}"
mkdir -p "${IOS_SDL_PACKAGE_ROOT}/Versions/A/Resources/CMake"
mkdir -p "${IOS_SDL_PACKAGE_ROOT}/Versions/A"
ln -s "${IOS_SDL_FRAMEWORK}/Headers" "${IOS_SDL_PACKAGE_ROOT}/Headers"
ln -s "${IOS_SDL_FRAMEWORK}/Headers" "${IOS_SDL_PACKAGE_ROOT}/Versions/A/Headers"
ln -s "${IOS_SDL_FRAMEWORK}/SDL2" "${IOS_SDL_PACKAGE_ROOT}/Versions/A/SDL2"
cp "${IOS_SDL_FRAMEWORK}/CMake/sdl2-config.cmake" "${IOS_SDL_PACKAGE_ROOT}/Versions/A/Resources/CMake/"
cp "${IOS_SDL_FRAMEWORK}/CMake/sdl2-config-version.cmake" "${IOS_SDL_PACKAGE_ROOT}/Versions/A/Resources/CMake/"
printf '%s\n' "${IOS_SDL_PACKAGE_ROOT}/Versions/A/Resources/CMake"
}
if [ "$MODE" = "ios" ]; then
IOS_SDK="${IOS_SDK:-iphoneos}"
IOS_DEPLOYMENT_TARGET="${IOS_DEPLOYMENT_TARGET:-13.0}"
IOS_SDKROOT="$(xcrun --sdk "${IOS_SDK}" --show-sdk-path)"
IOS_CC="$(xcrun --sdk "${IOS_SDK}" --find clang)"
IOS_CXX="$(xcrun --sdk "${IOS_SDK}" --find clang++)"
DEFAULT_SDL_FW_ROOT="$(pwd)/ios/Frameworks/SDL2.xcframework"
IOS_SDL_FRAMEWORK="${IOS_SDL_FRAMEWORK:-$DEFAULT_SDL_FW_ROOT}"
# Resolve to the actual SDL2.framework path
if [ -d "${IOS_SDL_FRAMEWORK}/SDL2.framework" ]; then
IOS_SDL_FRAMEWORK="${IOS_SDL_FRAMEWORK}/SDL2.framework"
elif [ -d "${IOS_SDL_FRAMEWORK}/ios-arm64/SDL2.framework" ]; then
IOS_SDL_FRAMEWORK="${IOS_SDL_FRAMEWORK}/ios-arm64/SDL2.framework"
elif [ ! -d "${IOS_SDL_FRAMEWORK}/Headers" ]; then
echo "SDL2.framework not found under ${IOS_SDL_FRAMEWORK}"
echo "Place the xcframework in ios/Frameworks or set IOS_SDL_FRAMEWORK to the SDL2.framework path."
exit 1
fi
if [ ! -d "${IOS_SDL_FRAMEWORK}" ]; then
echo "SDL2.xcframework not found at ${IOS_SDL_FRAMEWORK}"
echo "Place the framework in ios/Frameworks (or set IOS_SDL_FRAMEWORK) and retry."
exit 1
fi
IOS_SDL2_DIR="$(prepare_ios_sdl_package "${IOS_SDL_FRAMEWORK}")"
echo "Building iOS dylib with SDK ${IOS_SDK} (${IOS_SDKROOT})"
cmake -S third_party/fsui-lib -B build/fsui/ios \
-DFSUI_BUILD_SAMPLES=OFF \
-DFSUI_PLATFORM_BACKEND=SDL2 \
-DFSUI_USE_SYSTEM_SDL2=ON \
-DCMAKE_SYSTEM_NAME=iOS \
-DCMAKE_OSX_ARCHITECTURES=arm64 \
-DCMAKE_OSX_DEPLOYMENT_TARGET="${IOS_DEPLOYMENT_TARGET}" \
-DCMAKE_OSX_SYSROOT="${IOS_SDKROOT}" \
-DSDL2_DIR="${IOS_SDL2_DIR}"
cmake --build build/fsui/ios -j"${BUILD_JOBS}"
make clean
IOS_ENV="IOS_TARGET=1 IOS_SDK=${IOS_SDK} IOS_DEPLOYMENT_TARGET=${IOS_DEPLOYMENT_TARGET} SDKROOT=${IOS_SDKROOT} CC=${IOS_CC} CXX=${IOS_CXX} SDL_STATIC=0 IOS_SDL_FRAMEWORK=${IOS_SDL_FRAMEWORK} FSUI_BUILD_DIR=$(pwd)/build/fsui/ios"
eval "make shared LIBCHDR_BUILD_DIR=$(pwd)/build/libchdr/ios ${IOS_ENV}"
echo "Copying libarmsx.dylib to ios/Frameworks/"
cp bin/libarmsx.dylib ios/Frameworks/
elif [ "$MODE" = "shared" ]; then
build_fsui_native
make clean
SDL_STATIC=0 MACOS_DEPLOYMENT_TARGET="${MACOS_DEPLOYMENT_TARGET:-10.15}" FSUI_BUILD_DIR="$(pwd)/build/fsui/native" LIBCHDR_BUILD_DIR="$(pwd)/build/libchdr/native" make shared
elif [ "$MODE" = "android" ]; then
stage_android_runtime_icons
ANDROID_NDK_ROOT="${ANDROID_NDK_ROOT:-${ANDROID_NDK_HOME:-${NDK_HOME:-}}}"
if [ -z "${ANDROID_NDK_ROOT}" ]; then
echo "ANDROID_NDK_ROOT (or ANDROID_NDK_HOME / NDK_HOME) must be set to a valid NDK path."
exit 1
fi
if [ ! -d "${ANDROID_NDK_ROOT}" ]; then
echo "Android NDK path ${ANDROID_NDK_ROOT} does not exist."
exit 1
fi
ANDROID_ABI="${ANDROID_ABI:-arm64-v8a}"
ANDROID_API="${ANDROID_API:-26}"
ANDROID_PLATFORM="android-${ANDROID_API}"
case "${ANDROID_ABI}" in
arm64-v8a)
ANDROID_TRIPLE="aarch64-linux-android"
ANDROID_CXX_RUNTIME_TRIPLE="aarch64-linux-android"
;;
armeabi-v7a)
ANDROID_TRIPLE="armv7a-linux-androideabi"
ANDROID_CXX_RUNTIME_TRIPLE="arm-linux-androideabi"
;;
x86)
ANDROID_TRIPLE="i686-linux-android"
ANDROID_CXX_RUNTIME_TRIPLE="i686-linux-android"
;;
x86_64)
ANDROID_TRIPLE="x86_64-linux-android"
ANDROID_CXX_RUNTIME_TRIPLE="x86_64-linux-android"
;;
*)
echo "Unsupported ANDROID_ABI '${ANDROID_ABI}'."
exit 1
;;
esac
HOST_OS="$(uname -s | tr '[:upper:]' '[:lower:]')"
HOST_ARCH="$(uname -m)"
case "${HOST_ARCH}" in
arm64|aarch64)
HOST_ARCH_TAG="arm64"
;;
x86_64)
HOST_ARCH_TAG="x86_64"
;;
*)
HOST_ARCH_TAG="${HOST_ARCH}"
;;
esac
HOST_TAG="${HOST_OS}-${HOST_ARCH_TAG}"
TOOLCHAIN_DIR="${ANDROID_NDK_ROOT}/toolchains/llvm/prebuilt/${HOST_TAG}"
if [ ! -d "${TOOLCHAIN_DIR}" ]; then
# Fallback to the first available prebuilt toolchain
TOOLCHAIN_DIR="$(ls -d "${ANDROID_NDK_ROOT}/toolchains/llvm/prebuilt/"* 2>/dev/null | head -n 1)"
if [ -z "${TOOLCHAIN_DIR}" ]; then
echo "Unable to locate LLVM toolchain inside ${ANDROID_NDK_ROOT}."
exit 1
fi
HOST_TAG="$(basename "${TOOLCHAIN_DIR}")"
fi
echo "Using Android NDK at ${ANDROID_NDK_ROOT} (toolchain ${HOST_TAG}, ABI ${ANDROID_ABI}, API ${ANDROID_API})"
ANDROID_TOOLCHAIN_FILE="${ANDROID_NDK_ROOT}/build/cmake/android.toolchain.cmake"
if [ ! -f "${ANDROID_TOOLCHAIN_FILE}" ]; then
echo "Android toolchain file not found at ${ANDROID_TOOLCHAIN_FILE}"
exit 1
fi
REPO_ROOT="$(pwd)"
SDL_BUILD_ROOT="${REPO_ROOT}/build/android/sdl/${ANDROID_ABI}"
SDL_INSTALL_DIR="${SDL_BUILD_ROOT}/install"
rm -rf "${SDL_BUILD_ROOT}"
mkdir -p "${SDL_BUILD_ROOT}"
cmake -S third_party/SDL -B "${SDL_BUILD_ROOT}" \
-DCMAKE_TOOLCHAIN_FILE="${ANDROID_TOOLCHAIN_FILE}" \
-DANDROID_ABI="${ANDROID_ABI}" \
-DANDROID_PLATFORM="${ANDROID_PLATFORM}" \
-DANDROID_STL=c++_shared \
-DCMAKE_BUILD_TYPE=Release \
-DBUILD_SHARED_LIBS=ON \
-DSDL_STATIC=OFF \
-DSDL_TEST=OFF \
-DCMAKE_INSTALL_PREFIX="${SDL_INSTALL_DIR}"
cmake --build "${SDL_BUILD_ROOT}" --config Release
cmake --install "${SDL_BUILD_ROOT}" --config Release
SDL_LIB_PATH="${SDL_INSTALL_DIR}/lib"
SDL_INCLUDE_PATH="${SDL_INSTALL_DIR}/include/SDL2"
SDL_SHARED_LIB="${SDL_LIB_PATH}/libSDL2.so"
CXX_SHARED_RUNTIME="${TOOLCHAIN_DIR}/sysroot/usr/lib/${ANDROID_CXX_RUNTIME_TRIPLE}/libc++_shared.so"
if [ ! -f "${SDL_SHARED_LIB}" ]; then
echo "SDL shared library not found at ${SDL_SHARED_LIB}"
exit 1
fi
if [ ! -f "${CXX_SHARED_RUNTIME}" ]; then
echo "Android C++ shared runtime not found at ${CXX_SHARED_RUNTIME}"
exit 1
fi
JNI_LIB_DIR="${REPO_ROOT}/android/app/src/main/jniLibs/${ANDROID_ABI}"
SDL_HEADER_STAGE="${REPO_ROOT}/android/native-deps/SDL2/include"
mkdir -p "${JNI_LIB_DIR}"
rm -rf "${SDL_HEADER_STAGE}"
mkdir -p "${SDL_HEADER_STAGE}"
cp -R "${SDL_INCLUDE_PATH}/." "${SDL_HEADER_STAGE}/"
TOOLCHAIN_BIN="${TOOLCHAIN_DIR}/bin"
CC="${TOOLCHAIN_BIN}/${ANDROID_TRIPLE}${ANDROID_API}-clang"
CXX="${TOOLCHAIN_BIN}/${ANDROID_TRIPLE}${ANDROID_API}-clang++"
export CC
export CXX
SDL_CFLAGS="-D_REENTRANT -DANDROID -I${SDL_INCLUDE_PATH}"
# -lEGL/-lGLESv3 are what the GLES 3.0 present path (frontend/render_gl.cpp) binds to when
# it attaches EGL directly to the Compose host's ANativeWindow. There is deliberately no
# -lvulkan: frontend/render_vk.cpp dlopen()s the loader through a replaceable function
# pointer so an adrenotools custom driver can be substituted at runtime.
SDL_LIBS="-L${SDL_LIB_PATH} -lSDL2 -llog -landroid -lGLESv3 -lEGL -lOpenSLES -lm -lc++_shared"
# Presentation backends. Vulkan is EXPERIMENTAL (compile-verified only) and is never
# selected unless settings.toml asks for gpu_backend = "vulkan"; set
# ARMSX_ENABLE_VULKAN=0 to leave it out of the build entirely.
ARMSX_ENABLE_GL="${ARMSX_ENABLE_GL:-1}"
ARMSX_ENABLE_VULKAN="${ARMSX_ENABLE_VULKAN:-1}"
# RetroArch (.slangp) shader chains (frontend/render_shaders.cpp). librashader is
# dlopen()ed, never linked, so this adds nothing to libarmsx.so's DT_NEEDED — but the
# .so has to be in jniLibs for dlopen("liblibrashader_capi.so") to resolve by SONAME.
# If it is not vendored, build with shaders compiled out rather than shipping a feature
# that can only fail at runtime.
LIBRASHADER_SO="${REPO_ROOT}/third_party/librashader/prebuilt/${ANDROID_ABI}/liblibrashader_capi.so"
ARMSX_ENABLE_SHADERS="${ARMSX_ENABLE_SHADERS:-1}"
if [ "${ARMSX_ENABLE_SHADERS}" = "1" ] && [ ! -f "${LIBRASHADER_SO}" ]; then
echo "librashader is not vendored at ${LIBRASHADER_SO};"
echo "building without shader chains. Run third_party/librashader/build-android.sh to add it."
ARMSX_ENABLE_SHADERS=0
fi
# ---- adrenotools (BSD 2-Clause) --------------------------------------------------------
#
# Custom Vulkan drivers CANNOT be loaded with a plain dlopen: a Turnip pack links against
# system libraries (libcutils and friends) that are not resolvable from an app's
# classloader namespace, so the load fails with
# dlopen failed: library "libcutils.so" not found ... in namespace classloader-namespace
# adrenotools exists to solve exactly that — it loads the driver inside a patched linker
# namespace where the vendor ICD resolves.
#
# Static lib linked into libarmsx.so, plus FOUR hook .so files that must be PACKAGED (the
# loader hands adrenotools their directory at runtime and it dlopens them by name).
ADRENOTOOLS_BUILD_DIR="${REPO_ROOT}/build/adrenotools/android/${ANDROID_ABI}"
cmake -S "${REPO_ROOT}/third_party/libadrenotools" -B "${ADRENOTOOLS_BUILD_DIR}" \
-DCMAKE_TOOLCHAIN_FILE="${ANDROID_NDK_ROOT}/build/cmake/android.toolchain.cmake" \
-DANDROID_ABI="${ANDROID_ABI}" \
-DANDROID_PLATFORM="android-${ANDROID_API}" \
-DCMAKE_BUILD_TYPE=Release \
-DBUILD_SHARED_LIBS=OFF
cmake --build "${ADRENOTOOLS_BUILD_DIR}" -j"${BUILD_JOBS}"
# FSUI cut: the Jetpack Compose front-end owns all menus, so fsui-lib is no longer built or
# linked. FSUI_INCLUDE_FLAGS/COMPILE_DEFS/LIBS are overridden empty (keeping only
# -DSDL_MAIN_HANDLED, which the Android external_main entry still needs).
if [ "${PGO}" != "off" ]; then
echo "pgo: building with PGO=${PGO} (see tools/pgo.sh for the full loop)"
fi
# ${PGO_MAKE_ARGS} is intentionally unquoted: it is a list of make variable assignments and
# has to word-split. It is "PGO=off" and nothing else unless PGO was asked for, so the normal
# build is byte-identical to what it was before PGO existed.
make clean
make \
${PGO_MAKE_ARGS} \
SDL_STATIC=0 \
ARMSX_ENABLE_GL="${ARMSX_ENABLE_GL}" \
ARMSX_ENABLE_VULKAN="${ARMSX_ENABLE_VULKAN}" \
ARMSX_ENABLE_SHADERS="${ARMSX_ENABLE_SHADERS}" \
SDL_CFLAGS="${SDL_CFLAGS}" \
SDL_LIBS_DYNAMIC="${SDL_LIBS}" \
FSUI_INCLUDE_FLAGS= \
FSUI_COMPILE_DEFS=-DSDL_MAIN_HANDLED \
FSUI_LIBS= \
AR="${TOOLCHAIN_BIN}/llvm-ar" \
RANLIB="${TOOLCHAIN_BIN}/llvm-ranlib" \
LIBCHDR_EXTRA_CMAKE_ARGS="-DCMAKE_SYSTEM_NAME=Linux -DCMAKE_SYSTEM_PROCESSOR=aarch64" \
LIBCHDR_BUILD_DIR="${REPO_ROOT}/build/libchdr/android/${ANDROID_ABI}" \
PLATFORM=Android \
OS_INFO=Android \
PLATFORM_EXTRA_LDFLAGS= \
PLATFORM_EXTRA_LIBS="${ADRENOTOOLS_BUILD_DIR}/libadrenotools.a ${ADRENOTOOLS_BUILD_DIR}/lib/linkernsbypass/liblinkernsbypass.a" \
ADRENOTOOLS_FLAGS="-I${REPO_ROOT}/third_party/libadrenotools/include -DARMSX_HAVE_ADRENOTOOLS=1" \
shared
# The hook libraries adrenotools dlopens at runtime. They must sit in the app's
# nativeLibraryDir, which is what CustomDriver.kt passes as hookLibDir.
for hook in main_hook hook_impl file_redirect_hook gsl_alloc_hook; do
if [ -f "${ADRENOTOOLS_BUILD_DIR}/src/hook/lib${hook}.so" ]; then
cp "${ADRENOTOOLS_BUILD_DIR}/src/hook/lib${hook}.so" "${JNI_LIB_DIR}/"
fi
done
cp "${SDL_SHARED_LIB}" "${JNI_LIB_DIR}/"
cp "${CXX_SHARED_RUNTIME}" "${JNI_LIB_DIR}/"
cp bin/libarmsx.so "${JNI_LIB_DIR}/"
# librashader rides along as a plain payload: nothing links against it, the app never
# System.loadLibrary()s it, and frontend/render_shaders.cpp dlopen()s it by SONAME the
# first time a shader chain is actually switched on. A stale copy left behind after
# ARMSX_ENABLE_SHADERS=0 would be 13 MB of dead weight in the APK, so remove it then.
if [ "${ARMSX_ENABLE_SHADERS}" = "1" ]; then
cp "${LIBRASHADER_SO}" "${JNI_LIB_DIR}/"
else
rm -f "${JNI_LIB_DIR}/liblibrashader_capi.so"
fi
# ---- Discord rich presence helper (libarmsx_discord.so) --------------------------------
#
# Its OWN shared library, linked against the Discord Social SDK and nothing else — not
# libarmsx, not SDL. That is the whole point: it is loaded only in the :discord process
# (see AndroidManifest), so with the feature off the proprietary SDK is not merely idle,
# it is never mapped, and an SDK crash cannot take the emulator down mid-game.
#
# The application id and callback scheme come from android/app/src/main/assets/discord_creds.env
# — the SAME file app/build.gradle reads for the manifest's intent-filter scheme. One source,
# so the redirect the SDK sends and the scheme the OS routes back can never disagree.
#
# Absent SDK or absent id => the stub half of discord_bridge.cpp is built instead. It still
# exports every JNI entry point, so DiscordNative loads, available() answers false, and the
# Friends UI hides itself. A missing .so would instead be an UnsatisfiedLinkError per call.
DISCORD_AAR="${REPO_ROOT}/android/app/libs/discord_partner_sdk.aar"
DISCORD_ENV="${REPO_ROOT}/android/app/src/main/assets/discord_creds.env"
DISCORD_SRC="${REPO_ROOT}/android/app/src/main/cpp/discord_bridge.cpp"
DISCORD_STAGE="${REPO_ROOT}/build/android/discord/${ANDROID_ABI}"
# Read one KEY=VALUE out of the .env, ignoring comments. The key must start the line, so the
# explanatory comments in that file (which name the keys) cannot be picked up as values.
discord_env_value() {
[ -f "${DISCORD_ENV}" ] || return 0
sed -n "s/^[[:space:]]*$1[[:space:]]*=[[:space:]]*\(.*\)\$/\1/p" "${DISCORD_ENV}" \
| tail -n 1 | tr -d '\r' | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//'
}
# Mirrors the sanitizeScheme closure in app/build.gradle: accept a bare scheme, or anything
# written as a URI, and keep only the scheme part.
discord_sanitize_scheme() {
printf '%s' "$1" | sed -e 's|://.*$||' -e 's|:.*$||' -e 's|/.*$||' \
-e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//'
}
DISCORD_APP_ID="$(discord_env_value APPLICATION_ID)"
DISCORD_SCHEME="$(discord_sanitize_scheme "$(discord_env_value APPLICATION_SCHEME)")"
# An id that is not a plain integer would compile into a nonsense constant, so reject it here
# rather than shipping a client that authorizes against garbage.
DISCORD_WHY=""
case "${DISCORD_APP_ID}" in
''|*[!0-9]*)
if [ -n "${DISCORD_APP_ID}" ]; then
DISCORD_WHY="APPLICATION_ID '${DISCORD_APP_ID}' is not numeric"
fi
DISCORD_APP_ID=""
;;
esac
if [ -z "${DISCORD_SCHEME}" ] && [ -n "${DISCORD_APP_ID}" ]; then
DISCORD_SCHEME="discord-${DISCORD_APP_ID}"
fi
# -nostdlib++ then libc++_shared.so BY PATH: the NDK's clang driver otherwise links
# libc++_static.a AND honours the -l, putting TWO C++ runtimes in one process and re-exporting
# ~1000 libc++ symbols out of this .so. libc++_shared.so is already staged above for libarmsx,
# so sharing it costs no APK bytes and saves ~700 KB over the static runtime.
#
# ★ By path, NOT "-L<sysroot>/usr/lib/<triple> -lc++_shared". That directory holds
# libc.a / libm.a / libdl.a next to libc++_shared.so, and an explicit -L is searched BEFORE the
# API-level directory the driver adds — so the driver's own implicit -lc/-lm/-ldl resolved to
# the STATIC archives. This .so then carried a whole second copy of bionic and no DT_NEEDED on
# libc.so at all, and compiler-rt's outline-atomics constructor called that copy's getauxval()
# from .init_array at dlopen: a static libc's __libc_shared_globals are filled in by its own
# process startup, which never runs inside a .so, so it read a null auxv and took SIGSEGV.
# The :discord process died inside System.loadLibrary, before DiscordService.onCreate could
# return — presenting as "The Discord helper didn't start", on a loop. libc++_shared.so carries
# a SONAME, so DT_NEEDED still reads "libc++_shared.so"; same trick as the SDK .so below.
#
# Safe against the SDK because nothing but the C API crosses that boundary: the shipped .so
# exports zero discordpp:: symbols (discordpp.h is a header-only wrapper over Discord_*), and
# its own libc++ is ABI-namespaced as std::__Cr so it cannot collide with ours.
#
# --exclude-libs,ALL keeps static-archive symbols out of the dynamic table; with it and
# -fvisibility=hidden this .so exports 15 symbols, 11 of them the JNI entry points.
DISCORD_CXXFLAGS="-std=c++20 -fPIC -O2 -g0 -fvisibility=hidden -fvisibility-inlines-hidden -Wall -ffunction-sections -fdata-sections"
DISCORD_LDFLAGS="-nostdlib++ ${TOOLCHAIN_DIR}/sysroot/usr/lib/${ANDROID_CXX_RUNTIME_TRIPLE}/libc++_shared.so -llog -Wl,--exclude-libs,ALL -Wl,--gc-sections"
if [ -f "${DISCORD_AAR}" ] && [ -n "${DISCORD_APP_ID}" ]; then
# The .aar carries a prefab module: headers AND a per-ABI .so, so nothing else has to be
# vendored. Extracted for LINKING ONLY — the .so is deliberately not copied into jniLibs,
# because gradle already packages it from the same .aar and two copies fail the merger.
rm -rf "${DISCORD_STAGE}"
mkdir -p "${DISCORD_STAGE}"
unzip -o -q "${DISCORD_AAR}" \
"prefab/modules/discord_partner_sdk/include/*" \
"jni/${ANDROID_ABI}/libdiscord_partner_sdk.so" \
-d "${DISCORD_STAGE}"
DISCORD_INCLUDE="${DISCORD_STAGE}/prefab/modules/discord_partner_sdk/include"
DISCORD_SDK_SO="${DISCORD_STAGE}/jni/${ANDROID_ABI}/libdiscord_partner_sdk.so"
if [ ! -f "${DISCORD_INCLUDE}/discordpp.h" ] || [ ! -f "${DISCORD_SDK_SO}" ]; then
DISCORD_WHY="${DISCORD_AAR} has no ${ANDROID_ABI} slice or no headers"
DISCORD_APP_ID=""
fi
fi
if [ -f "${DISCORD_AAR}" ] && [ -n "${DISCORD_APP_ID}" ]; then
echo "discord: application ${DISCORD_APP_ID}, callback scheme ${DISCORD_SCHEME}://"
# -fvisibility=hidden keeps discordpp.h's thousands of inline symbols out of the dynamic
# table; JNIEXPORT is visibility("default") in the NDK's jni.h, so the entry points survive.
# Linked against the extracted .so by path; it carries a SONAME, so what lands in
# DT_NEEDED is "libdiscord_partner_sdk.so" and the loader finds gradle's copy at runtime.
"${CXX}" ${DISCORD_CXXFLAGS} -shared \
-DARMSX_HAS_DISCORD=1 \
-DARMSX_DISCORD_APPLICATION_ID="${DISCORD_APP_ID}" \
-DARMSX_DISCORD_CALLBACK_SCHEME="\"${DISCORD_SCHEME}\"" \
-I"${DISCORD_INCLUDE}" \
-o "${JNI_LIB_DIR}/libarmsx_discord.so" \
"${DISCORD_SRC}" \
"${DISCORD_SDK_SO}" \
${DISCORD_LDFLAGS}
else
if [ -n "${DISCORD_WHY}" ]; then
echo "discord: ${DISCORD_WHY}; building the stub helper (feature reports unavailable)."
elif [ ! -f "${DISCORD_AAR}" ]; then
echo "discord: ${DISCORD_AAR} not staged; building the stub helper (feature reports unavailable)."
else
echo "discord: no APPLICATION_ID in ${DISCORD_ENV}; building the stub helper."
fi
"${CXX}" ${DISCORD_CXXFLAGS} -shared \
-o "${JNI_LIB_DIR}/libarmsx_discord.so" \
"${DISCORD_SRC}" \
${DISCORD_LDFLAGS}
fi
elif [ "$MODE" = "psvita" ]; then
if [ -z "${VITASDK:-}" ]; then
echo "VITASDK must be set for PSVita builds."
exit 1
fi
if ! command -v cargo >/dev/null 2>&1; then
echo "cargo is required for the PSVita Rust host build."
exit 1
fi
export PATH="${VITASDK}/bin:${PATH}"
build_fsui_psvita
make clean
VITASDK="${VITASDK}" PSVITA_TARGET=1 FSUI_BUILD_DIR="$(pwd)/build/fsui/psvita" LIBCHDR_BUILD_DIR="$(pwd)/build/libchdr/psvita" make psvita-lib
export PKG_CONFIG_ALLOW_CROSS=1
export PKG_CONFIG="${VITASDK}/bin/arm-vita-eabi-pkg-config"
export CARGO_TARGET_ARMV7_SONY_VITA_NEWLIBEABIHF_LINKER=arm-vita-eabi-g++
export ARMSX_VITA_NATIVE_DIR="$(pwd)/bin/psvita"
export ARMSX_VITA_FSUI_DIR="$(pwd)/build/fsui/psvita"
export ARMSX_VITA_LIBCHDR_DIR="$(pwd)/build/libchdr/psvita"
cargo build \
--manifest-path psvita/Cargo.toml \
--release \
--target armv7-sony-vita-newlibeabihf \
-Z build-std=std,panic_abort
VITA_PACKAGE_DIR="$(pwd)/build/psvita/package"
VITA_TARGET_DIR="$(pwd)/psvita/target/armv7-sony-vita-newlibeabihf/release"
VITA_ELF="${VITA_TARGET_DIR}/ARMSX_vita.elf"
if [ ! -f "${VITA_ELF}" ] && [ -f "${VITA_TARGET_DIR}/ARMSX_vita" ]; then
VITA_ELF="${VITA_TARGET_DIR}/ARMSX_vita"
fi
VITA_VELF="${VITA_PACKAGE_DIR}/eboot.velf"
VITA_EBOOT="${VITA_PACKAGE_DIR}/eboot.bin"
VITA_PARAM="${VITA_PACKAGE_DIR}/param.sfo"
VITA_VPK="${VITA_PACKAGE_DIR}/ARMSX.vpk"
if [ ! -f "${VITA_ELF}" ]; then
echo "Expected Vita host ELF not found at ${VITA_ELF}"
exit 1
fi
rm -rf "${VITA_PACKAGE_DIR}"
mkdir -p "${VITA_PACKAGE_DIR}/sce_sys"
cp icons/ArmsxDesktop.png "${VITA_PACKAGE_DIR}/sce_sys/icon0.png"
vita-mksfoex -s TITLE_ID=ARMSX001 "ARMSX PSVita" "${VITA_PARAM}"
vita-elf-create -s "${VITA_ELF}" "${VITA_VELF}"
vita-make-fself -s "${VITA_VELF}" "${VITA_EBOOT}"
vita-pack-vpk "${VITA_VPK}" \
-s "${VITA_PARAM}" \
-b "${VITA_EBOOT}" \
-a "$(pwd)/icons=icons" \
-a "${VITA_PACKAGE_DIR}/sce_sys=sce_sys"
cp "${VITA_VPK}" bin/psvita/
echo "Packaged Vita build at bin/psvita/ARMSX.vpk"
elif [ "$MODE" = "wasm" ]; then
build_fsui_wasm
make clean
if command -v emmake >/dev/null 2>&1; then
emmake make wasm FSUI_BUILD_DIR="$(pwd)/build/fsui/wasm" LIBCHDR_BUILD_DIR="$(pwd)/build/libchdr/wasm"
else
make wasm FSUI_BUILD_DIR="$(pwd)/build/fsui/wasm" LIBCHDR_BUILD_DIR="$(pwd)/build/libchdr/wasm"
fi
elif [ "$MODE" = "macosapp" ]; then
build_fsui_native
make clean
SDL_STATIC=0 MACOS_DEPLOYMENT_TARGET="${MACOS_DEPLOYMENT_TARGET:-10.15}" FSUI_BUILD_DIR="$(pwd)/build/fsui/native" LIBCHDR_BUILD_DIR="$(pwd)/build/libchdr/native" make
bundle_macos_app
else
build_fsui_native
make clean
SDL_STATIC=0 MACOS_DEPLOYMENT_TARGET="${MACOS_DEPLOYMENT_TARGET:-10.15}" FSUI_BUILD_DIR="$(pwd)/build/fsui/native" LIBCHDR_BUILD_DIR="$(pwd)/build/libchdr/native" make
fi
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