provide docker file for github builds with cmake

.github/workflows/build.yml

@@ -15,7 +15,7 @@ jobs:
 
     runs-on: ubuntu-22.04
     container:
-      image: ballaswag/guppydev:latest
+      image: pellcorp/guppydev:latest
       options: --user 1001
 
     env:

Dockerfile

@@ -0,0 +1,18 @@
+FROM ubuntu:22.04
+
+RUN DEBIAN_FRONTEND=noninteractive apt-get update && \
+    apt-get install -y --no-install-recommends wget build-essential cmake git ca-certificates && update-ca-certificates && \
+    apt-get clean all && \
+    apt-get -y autoremove
+
+RUN mkdir /toolchains && \
+    wget "https://developer.arm.com/-/media/Files/downloads/gnu-a/10.2-2020.11/binrel/gcc-arm-10.2-2020.11-x86_64-aarch64-none-linux-gnu.tar.xz?revision=972019b5-912f-4ae6-864a-f61f570e2e7e&rev=972019b5912f4ae6864af61f570e2e7e&hash=A973F165C6D012E0738F90FB4A0C2BA7" -O /tmp/gcc-arm-10.2-2020.11-x86_64-aarch64-none-linux-gnu.tar.xz && \
+    wget https://github.com/ballaswag/k1-discovery/releases/download/1.0.0/mips-gcc720-glibc229.tar.gz -O /tmp/mips-gcc720-glibc229.tar.gz && \
+    tar -Jxf /tmp/gcc-arm-10.2-2020.11-x86_64-aarch64-none-linux-gnu.tar.xz -C /toolchains && \
+    tar -zxf /tmp/mips-gcc720-glibc229.tar.gz -C /toolchains && \
+    rm /tmp/mips-gcc720-glibc229.tar.gz && \
+    rm /tmp/gcc-arm-10.2-2020.11-x86_64-aarch64-none-linux-gnu.tar.xz
+
+ENV PATH=/toolchains/gcc-arm-10.2-2020.11-x86_64-aarch64-none-linux-gnu/bin:/toolchains/mips-gcc720-glibc229/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
+WORKDIR /toolchains
+CMD ["/bin/bash"]                                                                                                                                            

Makefile

@@ -102,7 +102,7 @@ libhv.a:
 
 libspdlog.a:
 	@mkdir -p $(SPDLOG_DIR)/build
-	@cmake -B $(SPDLOG_DIR)/build -S $(SPDLOG_DIR)/
+	@cmake -B $(SPDLOG_DIR)/build -S $(SPDLOG_DIR)/ -DCMAKE_CXX_COMPILER=$(CXX)
 	$(MAKE) -C $(SPDLOG_DIR)/build -j$(nproc)
 
 wpaclient: