fix(bdk-swift): set iOS deployment target in xcframework build scripts

Author: maltsevoff

bdk-swift/build-xcframework-dev.sh

@@ -11,6 +11,7 @@ NEW_HEADER_DIR="../bdk-ffi/target/include"
 PROFILE_DIR="debug"
 SWIFT_OUT_DIR="../bdk-swift/Sources/BitcoinDevKit"
 HEADER_OUT_DIR="${NEW_HEADER_DIR}/${HEADER_BASENAME}"
+MIN_IOS_VERSION="15.0"
 
 HOST_ARCH=$(uname -m)
 if [ "$HOST_ARCH" = "arm64" ]; then
@@ -22,6 +23,8 @@ else
 fi
 IOS_DEVICE_TARGET="aarch64-apple-ios"
 
+export IPHONEOS_DEPLOYMENT_TARGET="${MIN_IOS_VERSION}"
+
 cd ../bdk-ffi/ || exit
 
 rustup component add rust-src

bdk-swift/build-xcframework.sh

@@ -12,6 +12,9 @@ STATIC_LIB_NAME="lib${NAME}.a"
 NEW_HEADER_DIR="../bdk-ffi/target/include"
 SWIFT_OUT_DIR="../bdk-swift/Sources/BitcoinDevKit"
 HEADER_OUT_DIR="${NEW_HEADER_DIR}/${HEADER_BASENAME}"
+MIN_IOS_VERSION="15.0"
+
+export IPHONEOS_DEPLOYMENT_TARGET="${MIN_IOS_VERSION}"
 
 cd ../bdk-ffi/ || exit