Mobile target cross-compilation of sqlite3mc (#2100)

Used in OP-Engineering/op-sqlite#286

Author: levydsa

bindings/c/Cargo.toml

@@ -19,14 +19,8 @@ tracing = "0.1.40"
 tracing-subscriber = "0.3.18"
 http = "1.1.0"
 anyhow = "1.0.86"
-
-[target.'cfg(not(any(target_os = "ios", target_os = "android")))'.dependencies]
 libsql = { path = "../../libsql", features = ["encryption"] }
 
-# Disable encryption for ios and android targets
-[target.'cfg(any(target_os = "ios", target_os = "android"))'.dependencies]
-libsql = { path = "../../libsql"}
-
 
 # The produced binaries are too large for mobiles
 # When compiling for iOS or Android, you should turn on symbol stripping, lto and cut debug symbols

bindings/c/Makefile

@@ -1,7 +1,7 @@
 OS := $(shell uname)
 CFLAGS := -Iinclude
 LDFLAGS := -lm
-ARCHS_IOS = x86_64-apple-ios aarch64-apple-ios aarch64-apple-ios-sim
+ARCHS_IOS = aarch64-apple-ios aarch64-apple-ios-sim
 ARCHS_ANDROID = aarch64-linux-android armv7-linux-androideabi x86_64-linux-android i686-linux-android
 LIB = libsql_experimental.a
 HEADER = libsql.h
@@ -40,11 +40,21 @@ $(ARCHS_ANDROID): %:
 ios: $(XCFRAMEWORK)
 
 $(ARCHS_IOS): %:
-	cargo build --release --target $@
-
-$(XCFRAMEWORK): $(ARCHS_IOS)
+	cargo build  --release --target $@
+
+x86_64-apple-ios:
+	SDKROOT=$$(xcrun --sdk iphonesimulator --show-sdk-path) \
+	CFLAGS_x86_64_apple_ios="-target x86_64-apple-ios-simulator" \
+	CXXFLAGS_x86_64_apple_ios="-target x86_64-apple-ios-simulator" \
+	CC_x86_64_apple_ios=$$(xcrun --sdk iphonesimulator --find clang) \
+	CXX_x86_64_apple_ios=$$(xcrun --sdk iphonesimulator --find clang++) \
+	CMAKE_SYSTEM_NAME=iOS \
+	CMAKE_OSX_SYSROOT=$$(xcrun --sdk iphonesimulator --show-sdk-path) \
+	cargo build --release --target x86_64-apple-ios
+
+$(XCFRAMEWORK): $(ARCHS_IOS) x86_64-apple-ios
 	rm -rf generated
 	mkdir -p generated/simulator_fat
 	rm -rf $@
 	lipo -create $(wildcard ../../target/x86_64-apple-ios/release/$(LIB)) $(wildcard ../../target/aarch64-apple-ios-sim/release/$(LIB)) -output generated/simulator_fat/$(LIB)
-	xcodebuild -create-xcframework -library $(wildcard ../../target/aarch64-apple-ios/release/$(LIB)) -headers include -library generated/simulator_fat/$(LIB) -headers include -output $@
+	xcodebuild -create-xcframework -library $(wildcard ../../target/aarch64-apple-ios/release/$(LIB)) -headers include -library generated/simulator_fat/$(LIB) -headers include -output $@

libsql-ffi/build.rs

@@ -485,6 +485,11 @@ fn build_multiple_ciphers(out_path: &Path) -> PathBuf {
         build.compiler(cxx);
         config.init_cxx_cfg(build);
     }
+    let target = env::var("TARGET").unwrap();
+
+    if target.ends_with("apple-ios") {
+        config.define("SQLITE3MC_OMIT_AES_HARDWARE_SUPPORT", "ON");
+    }
 
     if cfg!(feature = "wasmtime-bindings") {
         config.define("LIBSQL_ENABLE_WASM_RUNTIME", "1");
@@ -496,6 +501,14 @@ fn build_multiple_ciphers(out_path: &Path) -> PathBuf {
             .define("SQLITE_ENABLE_SESSION", "ON");
     }
 
+    if let Ok(abi) = env::var("CARGO_NDK_ANDROID_TARGET") {
+        config.define("ANDROID_ABI", abi);
+    }
+
+    if let Ok(platform) = env::var("ANDROID_PLATFORM") {
+        config.define("ANDROID_PLATFORM", platform);
+    }
+
     config.build()
 }
 

libsql-ffi/bundled/SQLite3MultipleCiphers/CMakeLists.txt

@@ -313,11 +313,12 @@ if (CMAKE_C_COMPILER_ID STREQUAL "Clang" AND NOT (
       CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64"
       OR CMAKE_SYSTEM_PROCESSOR STREQUAL "arm64"
       OR CMAKE_SYSTEM_PROCESSOR STREQUAL "arm"
+      OR CMAKE_ANDROID_ARCH_ABI STREQUAL "arm64-v8a"
+      OR CMAKE_ANDROID_ARCH_ABI STREQUAL "armeabi-v7a"
   ))
   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -msse4.2 -maes -Wno-error=incompatible-function-pointer-types")
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse4.2 -maes")
 endif()
-
 set(_LIB_DIFINITIONS
   _LIB
 )