Replace makefile by cmake

.dockerignore

@@ -0,0 +1,3 @@
+build
+.vscode
+.github

CMakeLists.txt

@@ -0,0 +1,9 @@
+cmake_minimum_required(VERSION 3.14)
+project(rainflow)
+
+include_directories(src)
+
+add_executable(example_rainflow src/rainflow.cpp example/example_rainflow.cpp)
+add_executable(test_rainflow src/rainflow.cpp test/test_rainflow.cpp)
+
+target_link_libraries(test_rainflow gtest gtest_main pthread)

Dockerfile

@@ -3,11 +3,12 @@ FROM ubuntu:latest
 WORKDIR /usr/src/app
 
 RUN apt-get update; \
-    apt-get install -y --no-install-recommends make g++ libgtest-dev; \
+    apt-get install -y --no-install-recommends make g++ libgtest-dev cmake; \
     rm -rf /var/lib/apt/lists/*
 
 COPY . .
 
-RUN make
+RUN cmake -S . -B build; \
+    cmake --build build
 
 CMD [ "build/example_rainflow", "example/samples.txt" ]

README.md

@@ -82,7 +82,8 @@ docker run --rm rainflow
 or locally:
 
 ```sh
-make
+cmake -S . -B build
+cmake --build build
 build/example_rainflow example/samples.txt
 ```
 
@@ -93,13 +94,15 @@ Build and run unit tests using `docker`:
 
 ```sh
 docker build -t rainflow .
-docker run --rm rainflow make test
+docker run --rm rainflow build/test_rainflow
 ```
 
 or locally:
 
 ```sh
-make test
+cmake -S . -B build
+cmake --build build
+build/test_rainflow
 ```
 
 To run tests locally the [GoogleTest](https://github.com/google/googletest) library is required. Under linux it can be installed via package manager eg.: