Re-enable manylinux2010_x86_64 build

pypa/manylinux#836 has been resolved with
image tag 2020-12-03-912b0de.

.github/workflows/CI.yml

@@ -24,7 +24,6 @@ env:
 jobs:
   manylinux2010_x86_64:
     runs-on: ubuntu-20.04
-    if: false
     steps:
       - name: check out repository
         uses: actions/checkout@v2
@@ -212,7 +211,7 @@ jobs:
 
   deploy:
     if: github.event_name == 'push' && github.ref == 'refs/heads/master'
-    needs: [manylinux2014_aarch64, manylinux2014_ppc64le, macosx_10_9_x86_64, windows_x86_64]  #
+    needs: [manylinux2010_x86_64, manylinux2014_aarch64, manylinux2014_ppc64le, macosx_10_9_x86_64, windows_x86_64]
     runs-on: ubuntu-20.04
     env:
       PYPI_TOKEN: ${{ secrets.PYPI_TOKEN }}

.github/workflows/build_manylinux.sh

@@ -23,9 +23,7 @@ set -euxo pipefail
 # ccache
 #   Speed up build times by caching results from previous builds.
 PROCESSOR="$(uname -p)"
-if [ "$PROCESSOR" = aarch64 ] || [ "$PROCESSOR" = ppc64le ]; then
-  yum install -y epel-release
-fi
+yum install -y epel-release
 if [ "$PROCESSOR" = aarch64 ] || [ "$PROCESSOR" = ppc64le ]; then
   # this mirror is often slow, so disable it
   echo "exclude=csc.mcs.sdsmt.edu" >> /etc/yum/pluginconf.d/fastestmirror.conf

.github/workflows/dependencies.sh

@@ -18,7 +18,7 @@ PYENV_TOOL_VERSION=1.2.21
 BUILDCACHE_NAME="Release v0.23.0"
 BUILDCACHE_URL_WIN=https://github.com/mbitsnbites/buildcache/releases/download/v0.23.0/buildcache-win-msvc.zip
 CYTHON_VERSION=0.29.21
-MANYLINUX2010_X86_64_TAG=2020-11-11-201fb79
+MANYLINUX2010_X86_64_TAG=2020-12-03-912b0de
 MANYLINUX2014_AARCH64_TAG=2020-11-11-bc8ce45
 MANYLINUX2014_PPC64LE_TAG=2020-11-11-bc8ce45
 # END DEPENDENCY-AUTOUPDATE SECTION

.github/workflows/deploy.sh

@@ -38,7 +38,7 @@
 
 set -euxo pipefail
 
-EXPECTED_WHEEL_COUNT=4  # 4 platforms
+EXPECTED_WHEEL_COUNT=5  # 5 platforms
 
 if [ "$GITHUB_EVENT_NAME" = push ] && \
     [ "$GITHUB_REF" = refs/heads/master ] && \