gh-actions: use ccache and build tools before running tests

Signed-off-by: Alessandro Comodi <acomodi@antmicro.com>

.github/ci/build_interchange.sh

@@ -1,48 +1,52 @@
 #!/bin/bash
 
 # Install capnproto libraries
-curl -O https://capnproto.org/capnproto-c++-0.8.0.tar.gz
-tar zxf capnproto-c++-0.8.0.tar.gz
-pushd capnproto-c++-0.8.0
-./configure
-make -j`nproc` check
-sudo make install
-popd
+function build_capnp {
+    curl -O https://capnproto.org/capnproto-c++-0.8.0.tar.gz
+    tar zxf capnproto-c++-0.8.0.tar.gz
+    pushd capnproto-c++-0.8.0
+    ./configure
+    make -j`nproc` check
+    sudo make install
+    popd
+
+    git clone https://github.com/capnproto/capnproto-java.git
+    pushd capnproto-java
+    make -j`nproc`
+    sudo make install
+    popd
+}
 
 # Install latest Yosys
-git clone https://github.com/YosysHQ/yosys.git
-pushd yosys
-make -j`nproc`
-sudo make install
-popd
+function build_yosys {
+    git clone https://github.com/YosysHQ/yosys.git
+    pushd yosys
+    make -j`nproc`
+    sudo make install
+    popd
+}
 
-# Install capnproto java
-git clone https://github.com/capnproto/capnproto-java.git
-pushd capnproto-java
-make -j`nproc`
-sudo make install
-popd
 
-RAPIDWRIGHT_PATH="`pwd`/RapidWright"
-INTERCHANGE_SCHEMA_PATH="`pwd`/3rdparty/fpga-interchange-schema/interchange"
-PYTHON_INTERCHANGE_PATH="`pwd`/python-fpga-interchange"
-PYTHON_INTERCHANGE_TAG="v0.0.4"
+function get_dependencies {
+    # Install python-fpga-interchange libraries
+    git clone -b ${PYTHON_INTERCHANGE_TAG} https://github.com/SymbiFlow/python-fpga-interchange.git ${PYTHON_INTERCHANGE_PATH}
+    pushd ${PYTHON_INTERCHANGE_PATH}
+    git submodule update --init --recursive
+    python3 -m pip install -r requirements.txt
+    popd
 
-# Install python-fpga-interchange libraries
-git clone -b $PYTHON_INTERCHANGE_TAG https://github.com/SymbiFlow/python-fpga-interchange.git $PYTHON_INTERCHANGE_PATH
-pushd $PYTHON_INTERCHANGE_PATH
-git submodule update --init --recursive
-python3 -m pip install -r requirements.txt
-popd
+    ## Install RapidWright
+    git clone https://github.com/Xilinx/RapidWright.git ${RAPIDWRIGHT_PATH}
+    pushd ${RAPIDWRIGHT_PATH}
+    make update_jars
+    popd
+}
 
-# Install RapidWright
-git clone https://github.com/Xilinx/RapidWright.git $RAPIDWRIGHT_PATH
-pushd $RAPIDWRIGHT_PATH
-make update_jars
-popd
-
-mkdir build
-pushd build
-cmake .. -DARCH=fpga_interchange -DRAPIDWRIGHT_PATH=$RAPIDWRIGHT_PATH -DINTERCHANGE_SCHEMA_PATH=$INTERCHANGE_SCHEMA_PATH -DPYTHON_INTERCHANGE_PATH=$PYTHON_INTERCHANGE_PATH
-make nextpnr-fpga_interchange -j`nproc`
-popd
+function build_nextpnr {
+    build_capnp
+    mkdir build
+    pushd build
+    cmake .. -DARCH=fpga_interchange -DRAPIDWRIGHT_PATH=${RAPIDWRIGHT_PATH} -DINTERCHANGE_SCHEMA_PATH=${INTERCHANGE_SCHEMA_PATH} -DPYTHON_INTERCHANGE_PATH=${PYTHON_INTERCHANGE_PATH}
+    make nextpnr-fpga_interchange -j`nproc`
+    popd
+}

.github/workflows/interchange_ci.yml

@@ -3,8 +3,57 @@ name: FPGA interchange CI tests
 on: [push, pull_request]
 
 jobs:
+  Build-yosys:
+    runs-on: ubuntu-latest
+    steps:
+
+    - uses: actions/checkout@v2
+      with:
+        submodules: recursive
+
+    - uses: actions/setup-python@v2
+
+    - name: Install
+      run: |
+        sudo apt-get update
+        sudo apt-get install git make cmake libboost-all-dev python3-dev libeigen3-dev tcl-dev clang bison flex swig
+
+    - name: ccache
+      uses: hendrikmuhs/ccache-action@v1
+
+    - name: Execute build yosys script
+      run: |
+        export PATH="/usr/lib/ccache:/usr/local/opt/ccache/libexec:$PATH"
+        source ./.github/ci/build_interchange.sh
+        build_yosys
+
+  Build-nextpnr:
+    runs-on: ubuntu-latest
+    steps:
+
+    - uses: actions/checkout@v2
+      with:
+        submodules: recursive
+
+    - uses: actions/setup-python@v2
+
+    - name: Install
+      run: |
+        sudo apt-get update
+        sudo apt-get install git make cmake libboost-all-dev python3-dev libeigen3-dev tcl-dev clang bison flex swig
+
+    - name: ccache
+      uses: hendrikmuhs/ccache-action@v1
+
+    - name: Execute build interchange script
+      run: |
+        export PATH="/usr/lib/ccache:/usr/local/opt/ccache/libexec:$PATH"
+        source ./.github/ci/build_interchange.sh
+        build_nextpnr
+
   Run-Tests:
     runs-on: ubuntu-latest
+    needs: [Build-yosys, Build-nextpnr]
     strategy:
       matrix:
         device: [xc7a35t, xc7a100t, xc7a200t, xc7z010]
@@ -21,8 +70,20 @@ jobs:
         sudo apt-get update
         sudo apt-get install git make cmake libboost-all-dev python3-dev libeigen3-dev tcl-dev clang bison flex swig
 
+    - name: ccache
+      uses: hendrikmuhs/ccache-action@v1
+
     - name: Execute build interchange script
-      run: stdbuf -i0 -o0 -e0 ./.github/ci/build_interchange.sh
+      env:
+        RAPIDWRIGHT_PATH: ${{ github.workspace }}/RapidWright
+        INTERCHANGE_SCHEMA_PATH: ${{ github.workspace }}/3rdparty/fpga-interchange-schema/interchange
+        PYTHON_INTERCHANGE_PATH: ${{ github.workspace }}/python-fpga-interchange
+        PYTHON_INTERCHANGE_TAG: v0.0.4
+
+      run: |
+        export PATH="/usr/lib/ccache:/usr/local/opt/ccache/libexec:$PATH"
+        source ./.github/ci/build_interchange.sh
+        build_yosys && build_nextpnr && get_dependencies
 
     - name: Run tests
       env: