Drop i386 support in TFMobile iOS Makefiles

PiperOrigin-RevId: 237811714

tensorflow/contrib/makefile/compile_ios_protobuf.sh

@@ -24,11 +24,11 @@ fi
 usage() {
   echo "Usage: $(basename "$0") [-a]"
   echo "-a [build_arch] build for specified arch comma separate for multiple archs (eg: x86_64,arm64)"
-  echo "default arch i386, x86_64, armv7, armv7s, arm64"
+  echo "default arch x86_64, armv7, armv7s, arm64"
   exit 1
 }
 
-BUILD_TARGET="i386 x86_64 armv7 armv7s arm64"
+BUILD_TARGET="x86_64 armv7 armv7s arm64"
 while getopts "a:" opt_name; do
   case "$opt_name" in
     a) BUILD_TARGET="${OPTARG}";;
@@ -115,39 +115,6 @@ package_pb_library() {
 
 build_target() {
 case "$1" in
-    i386)  make distclean
-        ./configure \
-        --host=i386-apple-${OSX_VERSION} \
-        --disable-shared \
-        --enable-cross-compile \
-        --with-protoc="${PROTOC_PATH}" \
-        --prefix=${LIBDIR}/iossim_386 \
-        --exec-prefix=${LIBDIR}/iossim_386 \
-        "CFLAGS=${CFLAGS} \
-        -mios-simulator-version-min=${MIN_SDK_VERSION} \
-        -arch i386 \
-        -fembed-bitcode \
-        -isysroot ${IPHONESIMULATOR_SYSROOT}" \
-        "CXX=${CXX}" \
-        "CXXFLAGS=${CXXFLAGS} \
-        -mios-simulator-version-min=${MIN_SDK_VERSION} \
-        -arch i386 \
-        -fembed-bitcode \
-        -isysroot \
-        ${IPHONESIMULATOR_SYSROOT}" \
-        LDFLAGS="-arch i386 \
-        -fembed-bitcode \
-        -mios-simulator-version-min=${MIN_SDK_VERSION} \
-        ${LDFLAGS} \
-        -L${IPHONESIMULATOR_SYSROOT}/usr/lib/ \
-        -L${IPHONESIMULATOR_SYSROOT}/usr/lib/system" \
-        "LIBS=${LIBS}"
-        make -j"${JOB_COUNT}"
-        make install
-
-        package_pb_library "iossim_386"
-        ;;
-
     x86_64) make distclean
         ./configure \
         --host=x86_64-apple-${OSX_VERSION} \

tensorflow/contrib/makefile/compile_ios_tensorflow.sh

@@ -46,11 +46,11 @@ fi
 usage() {
   echo "Usage: $(basename "$0") [-a]"
   echo "-a [build_arch] build for specified arch comma separate for multiple archs (eg: x86_64,arm64)"
-  echo "default is [i386, x86_64, armv7, armv7s, arm64]"
+  echo "default is [x86_64, armv7, armv7s, arm64]"
   exit 1
 }
 
-BUILD_TARGET="i386 x86_64 armv7 armv7s arm64"
+BUILD_TARGET="x86_64 armv7 armv7s arm64"
 while getopts "a:f:h:n:" opt_name; do
   case "$opt_name" in
     a) BUILD_TARGET="${OPTARG}";;
@@ -126,18 +126,6 @@ case "$1" in
         fi
         package_tf_library "arm64"
         ;;
-    i386)
-        make -j"${JOB_COUNT}" -f tensorflow/contrib/makefile/Makefile \
-        TARGET=IOS IOS_ARCH=I386 LIB_NAME=${LIB_PREFIX}-i386.a \
-        OPTFLAGS="${BUILD_OPT}" HOST_NSYNC_LIB="${NSYNC_HOST}" \
-        TARGET_NSYNC_LIB="${NSYNC_TARGET}"
-        if [ $? -ne 0 ]
-        then
-          echo "i386 compilation failed."
-          exit 1
-        fi
-        package_tf_library "i386"
-        ;;
     x86_64)
         make -j"${JOB_COUNT}" -f tensorflow/contrib/makefile/Makefile \
         TARGET=IOS IOS_ARCH=X86_64 LIB_NAME=${LIB_PREFIX}-x86_64.a \

tensorflow/contrib/makefile/compile_nsync.sh

@@ -22,7 +22,7 @@ set -e
 prog=compile_nsync.sh
 android_api_version=21
 default_android_arch=armeabi-v7a
-default_ios_arch="i386 x86_64 armv7 armv7s arm64"
+default_ios_arch="x86_64 armv7 armv7s arm64"
 
 usage="usage: $prog [-t linux|ios|android|macos|native]
         [-a architecture] [-v android_api_version]
@@ -130,7 +130,7 @@ for arch in $archs; do
 
         ios)    arch_flags=
                 case "$arch" in
-                i386|x86_64)
+                x86_64)
                         arch_flags="$arch_flags -mios-simulator-version-min=8.0"
                         arch_flags="$arch_flags -isysroot $(xcrun --sdk iphonesimulator --show-sdk-path)"
                         ;;