Updating TensorFlow's bazel version 4.0.0 (the first LTS release).

https://blog.bazel.build/2021/01/19/bazel-4-0.html

PiperOrigin-RevId: 353139694
Change-Id: If2c4516b5d7fa59d032e9c74fb2a0716b2a4f618

Author: mihaimaruseac

.bazelversion

@@ -1 +1 @@
-4.0.0
+3.7.2

configure.py

@@ -46,8 +46,8 @@
 _TF_WORKSPACE_ROOT = ''
 _TF_BAZELRC = ''
 _TF_CURRENT_BAZEL_VERSION = None
-_TF_MIN_BAZEL_VERSION = '4.0.0'
-_TF_MAX_BAZEL_VERSION = '4.99.0'
+_TF_MIN_BAZEL_VERSION = '3.7.2'
+_TF_MAX_BAZEL_VERSION = '3.99.0'
 
 NCCL_LIB_PATHS = [
     'lib64/', 'lib/powerpc64le-linux-gnu/', 'lib/x86_64-linux-gnu/', ''

tensorflow/tools/ci_build/install/install_bazel.sh

@@ -15,7 +15,7 @@
 # ==============================================================================
 
 # Select bazel version.
-BAZEL_VERSION="4.0.0"
+BAZEL_VERSION="3.7.2"
 
 set +e
 local_bazel_ver=$(bazel version 2>&1 | grep -i label | awk '{print $3}')

tensorflow/tools/ci_build/install/install_bazel_from_source.sh

@@ -18,7 +18,7 @@
 # It will compile bazel from source and install it in /usr/local/bin
 
 # Select bazel version.
-BAZEL_VERSION="4.0.0"
+BAZEL_VERSION="3.7.2"
 
 set +e
 local_bazel_ver=$(bazel version 2>&1 | grep -i label | awk '{print $3}')

tensorflow/tools/ci_build/release/common.sh

@@ -17,7 +17,7 @@
 
 # Keep in sync with tensorflow_estimator and configure.py.
 # LINT.IfChange
-LATEST_BAZEL_VERSION=4.0.0
+LATEST_BAZEL_VERSION=3.7.2
 # LINT.ThenChange(
 #   //tensorflow/opensource_only/configure.py,
 #   //tensorflow_estimator/google/kokoro/common.sh,

tensorflow/tools/ci_build/release/common_win.bat

@@ -71,7 +71,7 @@ SET PATH=%CUDNN_INSTALL_PATH%\bin;%PATH%
 @REM Setup Bazel
 @REM
 :: Download Bazel from github and make sure its found in PATH.
-SET BAZEL_VERSION=4.0.0
+SET BAZEL_VERSION=3.7.2
 md C:\tools\bazel\
 wget -q https://github.com/bazelbuild/bazel/releases/download/%BAZEL_VERSION%/bazel-%BAZEL_VERSION%-windows-x86_64.exe -O C:/tools/bazel/bazel.exe
 SET PATH=C:\tools\bazel;%PATH%

tensorflow/tools/dockerfiles/dockerfiles/arm64v8/devel-cpu-arm64v8-jupyter.Dockerfile

@@ -96,7 +96,7 @@ RUN python3 -m pip --no-cache-dir install \
     enum34
 
 # Build and install bazel
-ENV BAZEL_VERSION 4.0.0
+ENV BAZEL_VERSION 3.7.2
 WORKDIR /
 RUN mkdir /bazel && \
     cd /bazel && \

tensorflow/tools/dockerfiles/dockerfiles/arm64v8/devel-cpu-arm64v8.Dockerfile

@@ -96,7 +96,7 @@ RUN python3 -m pip --no-cache-dir install \
     enum34
 
 # Build and install bazel
-ENV BAZEL_VERSION 4.0.0
+ENV BAZEL_VERSION 3.7.2
 WORKDIR /
 RUN mkdir /bazel && \
     cd /bazel && \

tensorflow/tools/dockerfiles/dockerfiles/devel-cpu-jupyter.Dockerfile

@@ -93,7 +93,7 @@ RUN python3 -m pip --no-cache-dir install \
     enum34
 
 # Install bazel
-ARG BAZEL_VERSION=4.0.0
+ARG BAZEL_VERSION=3.7.2
 RUN mkdir /bazel && \
     wget -O /bazel/installer.sh "https://github.com/bazelbuild/bazel/releases/download/${BAZEL_VERSION}/bazel-${BAZEL_VERSION}-installer-linux-x86_64.sh" && \
     wget -O /bazel/LICENSE.txt "https://raw.githubusercontent.com/bazelbuild/bazel/master/LICENSE" && \

tensorflow/tools/dockerfiles/dockerfiles/devel-cpu.Dockerfile

@@ -93,7 +93,7 @@ RUN python3 -m pip --no-cache-dir install \
     enum34
 
 # Install bazel
-ARG BAZEL_VERSION=4.0.0
+ARG BAZEL_VERSION=3.7.2
 RUN mkdir /bazel && \
     wget -O /bazel/installer.sh "https://github.com/bazelbuild/bazel/releases/download/${BAZEL_VERSION}/bazel-${BAZEL_VERSION}-installer-linux-x86_64.sh" && \
     wget -O /bazel/LICENSE.txt "https://raw.githubusercontent.com/bazelbuild/bazel/master/LICENSE" && \