Drop extra parts, add pip

.github/workflows/tests.yml

@@ -23,34 +23,3 @@ jobs:
         run: git diff --exit-code
         if: always()
 
-  gcc_48:
-    name: GCC 4.8
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v1
-
-      # Inspired by https://github.com/onqtam/doctest/pull/285/files/875052e18cf5f5f0b9176e59f847b6205f3efb78
-    - name: Prepare environment
-      run: |
-           sudo apt-get update
-           sudo apt-get install -y g++-4.8 g++-4.8-multilib
-           echo "::set-env name=CC::gcc-4.8"
-           echo "::set-env name=CXX::g++-4.8"
-
-    - name: Create Build Environment
-       run: cmake -E make_directory ${{runner.workspace}}/build
-
-     - name: Configure CMake
-       shell: bash
-       working-directory: ${{runner.workspace}}/build
-       run: cmake $GITHUB_WORKSPACE -DCMAKE_BUILD_TYPE=$BUILD_TYPE
-
-     - name: Build
-       working-directory: ${{runner.workspace}}/build
-       shell: bash
-       run: cmake --build . --config $BUILD_TYPE
-
-     - name: Test
-       working-directory: ${{runner.workspace}}/build
-       shell: bash
-       run: ctest -C $BUILD_TYPE

.travis.yml

@@ -68,6 +68,10 @@ matrix:
     # GCC 4.8 and Conan
   - compiler: gcc
     dist: bionic
+    addons:
+      apt:
+        packages:
+        - python3-pip
     install:
     - python3 -VV
     - python3 -m pip install --user conan