Reverting xcode to 10.3 and adding MACOSX_DEPLOYMENT_TARGET to just nonpip

PiperOrigin-RevId: 338745176
Change-Id: Ib241fbf2c40d2e9bbea70421f8e851af6de33c05

tensorflow/tools/ci_build/rel/macos/cpu_libtensorflow.sh

@@ -23,8 +23,7 @@ if [[ "$IS_NIGHTLY" -eq 1 ]]; then
   install_bazelisk
 
   # Pick a version of xcode
-  export DEVELOPER_DIR=/Applications/Xcode_11.3.app/Contents/Developer
-  export MACOSX_DEPLOYMENT_TARGET=10.15
+  export DEVELOPER_DIR=/Applications/Xcode_10.3.app/Contents/Developer
   sudo xcode-select -s "${DEVELOPER_DIR}"
 
   # Update the version string to nightly

tensorflow/tools/ci_build/rel/macos/cpu_py36_nonpip.sh

@@ -20,8 +20,8 @@ source tensorflow/tools/ci_build/release/common.sh
 install_bazelisk
 
 # Pick a more recent version of xcode
-export DEVELOPER_DIR=/Applications/Xcode_11.3.app/Contents/Developer
-export MACOSX_DEPLOYMENT_TARGET=10.15
+export DEVELOPER_DIR=/Applications/Xcode_10.3.app/Contents/Developer
+export MACOSX_DEPLOYMENT_TARGET=10.10
 sudo xcode-select -s "${DEVELOPER_DIR}"
 python3.6 -m virtualenv tf_build_env --system-site-packages
 source tf_build_env/bin/activate

tensorflow/tools/ci_build/rel/macos/cpu_py36_pip.sh

@@ -20,8 +20,7 @@ source tensorflow/tools/ci_build/release/common.sh
 install_bazelisk
 
 # Pick a more recent version of xcode
-export DEVELOPER_DIR=/Applications/Xcode_11.3.app/Contents/Developer
-export MACOSX_DEPLOYMENT_TARGET=10.15
+export DEVELOPER_DIR=/Applications/Xcode_10.3.app/Contents/Developer
 sudo xcode-select -s "${DEVELOPER_DIR}"
 
 # Install macos pip dependencies

tensorflow/tools/ci_build/rel/macos/cpu_py37_pip.sh

@@ -20,8 +20,7 @@ source tensorflow/tools/ci_build/release/common.sh
 install_bazelisk
 
 # Pick a more recent version of xcode
-export DEVELOPER_DIR=/Applications/Xcode_11.3.app/Contents/Developer
-export MACOSX_DEPLOYMENT_TARGET=10.15
+export DEVELOPER_DIR=/Applications/Xcode_10.3.app/Contents/Developer
 sudo xcode-select -s "${DEVELOPER_DIR}"
 
 # Install macos pip dependencies

tensorflow/tools/ci_build/rel/macos/cpu_py38_nonpip.sh

@@ -20,8 +20,8 @@ source tensorflow/tools/ci_build/release/common.sh
 install_bazelisk
 
 # Pick a more recent version of xcode
-export DEVELOPER_DIR=/Applications/Xcode_11.3.app/Contents/Developer
-export MACOSX_DEPLOYMENT_TARGET=10.15
+export DEVELOPER_DIR=/Applications/Xcode_10.3.app/Contents/Developer
+export MACOSX_DEPLOYMENT_TARGET=10.10
 sudo xcode-select -s "${DEVELOPER_DIR}"
 python -m virtualenv tf_build_env --system-site-packages
 source tf_build_env/bin/activate

tensorflow/tools/ci_build/rel/macos/cpu_py38_pip.sh

@@ -20,8 +20,7 @@ source tensorflow/tools/ci_build/release/common.sh
 install_bazelisk
 
 # Pick a more recent version of xcode
-export DEVELOPER_DIR=/Applications/Xcode_11.3.app/Contents/Developer
-export MACOSX_DEPLOYMENT_TARGET=10.15
+export DEVELOPER_DIR=/Applications/Xcode_10.3.app/Contents/Developer
 sudo xcode-select -s "${DEVELOPER_DIR}"
 
 # Install macos pip dependencies