ci: Remove unsupported platforms

diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index f5495a35b2f44b71f434a4f5997f4781420b174b..3850a7d59a6ad6d90a30fea468406b0939bf2b20 100644 (file)
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -22,14 +22,6 @@ jobs:
       fail-fast: false
       matrix:
         config:
-          - os: ubuntu-18.04
-            compiler: gcc
-            version: "7"
-
-          - os: ubuntu-18.04
-            compiler: gcc
-            version: "8"
-
           - os: ubuntu-18.04
             compiler: gcc
             version: "9"
@@ -74,10 +66,6 @@ jobs:
             compiler: gcc
             version: "11"
 
-          - os: macOS-10.15
-            compiler: xcode
-            version: "10.3"
-
           - os: macOS-10.15
             compiler: xcode
             version: "11.7"

diff --git a/dockerfiles/ubuntu-18.04/Dockerfile b/dockerfiles/ubuntu-18.04/Dockerfile
index 02df590d5eed763d24a39793ab0b1f746924b805..49ae973bfb28208ccacc8bbe21edecca88b482ae 100644 (file)
--- a/dockerfiles/ubuntu-18.04/Dockerfile
+++ b/dockerfiles/ubuntu-18.04/Dockerfile
@@ -17,7 +17,10 @@ RUN apt-get update \
         python3 \
         redis-server \
         redis-tools \
+        software-properties-common \
         wget \
+ && add-apt-repository ppa:ubuntu-toolchain-r/test \
+ && apt install -y --no-install-recommends g++-9 \
  && wget -O - https://apt.kitware.com/keys/kitware-archive-latest.asc | gpg --dearmor - >/usr/share/keyrings/kitware-archive-keyring.gpg \
  && echo 'deb [signed-by=/usr/share/keyrings/kitware-archive-keyring.gpg] https://apt.kitware.com/ubuntu/ bionic main' >/etc/apt/sources.list.d/kitware.list \
  && apt-get update \