Only update to CMake minimum to 3.5 turn on all policies up to CMake 3.31

Author: andrewhop

.github/docker_images/gcc-4.8/Dockerfile

@@ -10,15 +10,15 @@ COPY entry.sh /
 
 WORKDIR /
 
-RUN curl -LOk "https://github.com/Kitware/CMake/releases/download/v3.9.6/cmake-3.9.6-Linux-x86_64.tar.gz"
-RUN sha256sum cmake-3.9.6-Linux-x86_64.tar.gz | grep -q "062bf45bee36ce7c2a55ae26b8b5324720f370d420a05cba91b9448c64ffdbea"
-RUN tar -C /usr/local -xzf cmake-3.9.6-Linux-x86_64.tar.gz
-RUN rm cmake-3.9.6-Linux-x86_64.tar.gz
+RUN curl -LOk "https://github.com/Kitware/CMake/releases/download/v3.6.3/cmake-3.6.3-Linux-x86_64.tar.gz"
+RUN sha256sum cmake-3.6.3-Linux-x86_64.tar.gz | grep -q "9d915d505c07d84b610e1be6242c7cad68b4b7a4090ce85ecf9cec5effa47c43"
+RUN tar -C /usr/local -xzf cmake-3.6.3-Linux-x86_64.tar.gz
+RUN rm cmake-3.6.3-Linux-x86_64.tar.gz
 RUN curl -LOk "https://go.dev/dl/go1.18.10.linux-amd64.tar.gz"
 RUN sha256sum go1.18.10.linux-amd64.tar.gz | grep -q "5e05400e4c79ef5394424c0eff5b9141cb782da25f64f79d54c98af0a37f8d49"
 RUN rm -rf /usr/local/go && tar -C /usr/local -xzf go1.18.10.linux-amd64.tar.gz
 RUN rm go1.18.10.linux-amd64.tar.gz
 
-ENV PATH="${PATH}:/usr/local/cmake-3.9.6-Linux-x86_64/bin:/usr/local/go/bin"
+ENV PATH="${PATH}:/usr/local/cmake-3.6.3-Linux-x86_64/bin:/usr/local/go/bin"
 
 ENTRYPOINT ["/entry.sh"]

.github/workflows/cmake.yml

@@ -18,7 +18,7 @@ jobs:
       fail-fast: false
       matrix:
         cmake:
-          - { version: "3.9", url: "https://cmake.org/files/v3.9/cmake-3.9.6.tar.gz", hash: "7410851a783a41b521214ad987bb534a7e4a65e059651a2514e6ebfc8f46b218" }
+          - { version: "3.5", url: "https://cmake.org/files/v3.5/cmake-3.5.0.tar.gz", hash: "92c83ad8a4fd6224cf6319a60b399854f55b38ebe9d297c942408b792b1a9efa" }
           - { version: "3.28", url: "https://cmake.org/files/v3.28/cmake-3.28.1.tar.gz", hash: "15e94f83e647f7d620a140a7a5da76349fc47a1bfed66d0f5cdee8e7344079ad" }
         generator:
           - "Unix Makefiles"

CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.9)
+cmake_minimum_required(VERSION 3.5..3.31)
 
 if(POLICY CMP0091)
 cmake_policy(SET CMP0091 NEW)