Merge branch 'master' into dependabot/submodules/vtr-verilog-to-routing-4834fd0

.github/workflows/build.yml

@@ -22,7 +22,7 @@ env:
 jobs:
   change_detect:
     name: "Detect code changes"
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     outputs:
       # this is output as string, see https://docs.github.com/en/actions/reference/workflow-syntax-for-github-actions#jobsjob_idoutputs
       source_modified: ${{ steps.changes.outputs.status_code == '1' }}
@@ -67,7 +67,7 @@ jobs:
     needs: change_detect
     if: ${{ fromJSON(needs.change_detect.outputs.source_modified) }}
     name: ${{ matrix.config.name }}
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     # Note: dependencies are installed in the container. See details about dependency list in docker/Dockerfile.master
     # Comment the line out when base image is built again
     #container: ghcr.io/${{ needs.change_detect.outputs.docker_repo }}/openfpga-build-${{ matrix.config.cc}}
@@ -76,31 +76,31 @@ jobs:
       fail-fast: false
       matrix:
         config:
-          - name: "Build Compatibility: GCC-7 (Ubuntu 18.04)"
+          - name: "Build Compatibility: GCC-7 (Ubuntu 20.04)"
             cc: gcc-7
             cxx: g++-7
-          - name: "Build Compatibility: GCC-8 (Ubuntu 18.04)"
+          - name: "Build Compatibility: GCC-8 (Ubuntu 20.04)"
             cc: gcc-8
             cxx: g++-8
-          - name: "Build Compatibility: GCC-9 (Ubuntu 18.04)"
+          - name: "Build Compatibility: GCC-9 (Ubuntu 20.04)"
             cc: gcc-9
             cxx: g++-9
-          - name: "Build Compatibility: GCC-10 (Ubuntu 18.04)"
+          - name: "Build Compatibility: GCC-10 (Ubuntu 20.04)"
             cc: gcc-10
             cxx: g++-10
-          - name: "Build Compatibility: GCC-11 (Ubuntu 18.04)"
+          - name: "Build Compatibility: GCC-11 (Ubuntu 20.04)"
             cc: gcc-11
             cxx: g++-11
-          - name: "Build Compatibility: Clang-6 (Ubuntu 18.04)"
+          - name: "Build Compatibility: Clang-6 (Ubuntu 20.04)"
             cc: clang-6.0
             cxx: clang++-6.0
-          - name: "Build Compatibility: Clang-7 (Ubuntu 18.04)"
+          - name: "Build Compatibility: Clang-7 (Ubuntu 20.04)"
             cc: clang-7
             cxx: clang++-7
-          - name: "Build Compatibility: Clang-8 (Ubuntu 18.04)"
+          - name: "Build Compatibility: Clang-8 (Ubuntu 20.04)"
             cc: clang-8
             cxx: clang++-8
-          - name: "Build Compatibility: Clang-10 (Ubuntu 18.04)"
+          - name: "Build Compatibility: Clang-10 (Ubuntu 20.04)"
             cc: clang-10
             cxx: clang++-10
     # Define the steps to run the build job
@@ -119,7 +119,7 @@ jobs:
           submodules: true
 
       - name: Install dependencies
-        run: ./.github/workflows/install_dependencies_build.sh
+        run: sudo bash ./.github/workflows/install_dependencies_build.sh
       
       - name: Dump tool versions
         run: |
@@ -200,7 +200,7 @@ jobs:
           submodules: true
 
       - name: Install dependencies
-        run: ./.github/workflows/install_dependencies_build.sh
+        run: sudo bash ./.github/workflows/install_dependencies_build.sh
       
       - name: Dump tool versions
         run: |
@@ -217,7 +217,7 @@ jobs:
 
   docker_distribution:
     name: Build docker image for distribution
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     needs: [linux_build, change_detect]
     steps:
       - name: Cancel previous
@@ -251,9 +251,10 @@ jobs:
           tags: |
             ghcr.io/${{ needs.change_detect.outputs.docker_repo }}/openfpga-master:latest
             ghcr.io/${{ needs.change_detect.outputs.docker_repo }}/openfpga-master:${{ needs.change_detect.outputs.sha_short }}
+
   linux_regression_tests:
     name: linux_regression_tests
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     needs: [linux_build, change_detect]
     container: ghcr.io/${{ needs.change_detect.outputs.docker_repo }}/openfpga-env
     strategy:
@@ -293,7 +294,7 @@ jobs:
           chmod +x yosys/install/bin/yosys-config
           chmod +x yosys/install/bin/yosys-filterlib
           chmod +x yosys/install/bin/yosys-smtbmc
-      - name: ${{matrix.config.name}}_GCC-8_(Ubuntu 18.04)
+      - name: ${{matrix.config.name}}_GCC-8_(Ubuntu 20.04)
         shell: bash
         run: source openfpga.sh && source openfpga_flow/regression_test_scripts/${{matrix.config.name}}.sh --debug --show_thread_logs
       - name: Upload artifact
@@ -304,11 +305,12 @@ jobs:
           retention-days: 1
           path: |
             openfpga_flow/**/*.log
+
   docker_regression_tests:
     needs: change_detect
     if: ${{ !fromJSON(needs.change_detect.outputs.source_modified) }}
     name: docker_regression_tests
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     container: 
       image: ghcr.io/${{ needs.change_detect.outputs.docker_repo }}/openfpga-master:latest
       options: --user root --workdir /home/openfpga_user
@@ -336,7 +338,7 @@ jobs:
         uses: actions/checkout@v2
         with:
           submodules: true
-      - name: ${{matrix.config.name}}_GCC-8_(Ubuntu 18.04)
+      - name: ${{matrix.config.name}}_GCC-8_(Ubuntu 20.04)
         shell: bash
         run: |
           bash .github/workflows/install_dependencies_run.sh

.github/workflows/cell_lib_test.yml

@@ -13,7 +13,7 @@ jobs:
   # Test the RTL compilation compatibility
   verilog:
     name: RTL compilation and tests
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
       - name: Cancel previous
         uses: styfle/cancel-workflow-action@0.9.1

.github/workflows/docker.yml

@@ -10,7 +10,7 @@ env:
 jobs:
   change_detect:
     name: "Detect code changes"
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     outputs:
       docker_repo: ${{ steps.changes.outputs.docker_repo }}
     steps:

.github/workflows/format.yaml

@@ -31,7 +31,7 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Install dependencies
-        run: ./.github/workflows/install_dependencies_build.sh
+        run: sudo bash ./.github/workflows/install_dependencies_build.sh
           
       - name: Dump tool versions
         run: |

.github/workflows/install_dependencies_build.sh

@@ -1,8 +1,9 @@
 #!/usr/bin/env bash
 
 # The package list is designed for Ubuntu 20.04 LTS
-sudo apt-get update
-sudo apt-get install -y \
+add-apt-repository -y ppa:ubuntu-toolchain-r/test
+apt-get update
+apt-get install -y \
     autoconf \
     automake \
     bison \
@@ -25,6 +26,7 @@ sudo apt-get install -y \
     liblist-moreutils-perl \
     libncurses5-dev \
     libreadline-dev \
+    libreadline8 \
     libx11-dev \
     libxft-dev \
     libxml++2.6-dev \

.github/workflows/install_dependencies_run.sh

@@ -1,4 +1,4 @@
 apt-get install --no-install-recommends -y \
-libdatetime-perl libc6 libffi6 libgcc1 libreadline7 libstdc++6 \
+libdatetime-perl libc6 libffi-dev libgcc1 libreadline8 libstdc++6 \
 libtcl8.6 python3.8 python3-pip zlib1g libbz2-1.0 \
 iverilog git rsync make curl wget tree python3.8-venv

docker/Dockerfile.base

@@ -1,4 +1,4 @@
-FROM ubuntu:18.04
+FROM ubuntu:20.04
 ENV DEBIAN_FRONTEND=noninteractive
 RUN apt-get update && apt-get install software-properties-common -y
 # 18.04 includes 2.17 but github requires 2.18+ to support submodules.

docker/Dockerfile.env

@@ -1,14 +1,15 @@
-FROM ubuntu:18.04
+FROM ubuntu:20.04
 ENV DEBIAN_FRONTEND=noninteractive
 RUN apt-get update && apt-get install --no-install-recommends software-properties-common -y
 # 18.04 includes 2.17 but github requires 2.18+ to support submodules.
-RUN add-apt-repository ppa:git-core/ppa
+#RUN add-apt-repository ppa:git-core/ppa
 ADD .github/workflows/install_dependencies_run.sh install_dependencies_run.sh
 RUN bash install_dependencies_run.sh
 RUN curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
 RUN python3.8 get-pip.py && rm get-pip.py
 RUN update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.8 2
-RUN update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.6 1
+# Comment out this line since Ubuntu 20.04 does not support it
+# RUN update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.6 1
 ADD requirements.txt requirements.txt
 ENV PYTHON_EXEC=python3.8
 RUN ${PYTHON_EXEC} -m pip install -r requirements.txt

docker/Dockerfile.gcc-10

@@ -1,2 +1,2 @@
 FROM ghcr.io/lnis-uofu/openfpga-build-base
-RUN apt-get update && apt-get install -y gcc-10 g++-10
+RUN add-apt-repository -y ppa:ubuntu-toolchain-r/test && apt-get update && apt-get install -y gcc-10 g++-10

docker/Dockerfile.gcc-11

@@ -1,2 +1,2 @@
 FROM ghcr.io/lnis-uofu/openfpga-build-base
-RUN apt-get update && apt-get install -y gcc-11 g++-11
+RUN add-apt-repository -y ppa:ubuntu-toolchain-r/test && apt-get update && apt-get install -y gcc-11 g++-11