diff --git a/.clang-tidy b/.clang-tidy
new file mode 100644
index 0000000..68da04a
--- /dev/null
+++ b/.clang-tidy
@@ -0,0 +1,5 @@
+---
+Checks:           'clang-diagnostic-*,clang-analyzer-*,cert-*,cppcoreguidelines-*,modernize-*,performance-*,readability-*'
+WarningsAsErrors: ''
+FormatStyle:      file
+
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
new file mode 100644
index 0000000..bfe4f44
--- /dev/null
+++ b/.github/workflows/build.yml
@@ -0,0 +1,42 @@
+name: Build
+
+on: [pull_request, push]
+
+jobs:
+  build:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: ubuntu
+            cc: gcc
+            cxx: g++
+
+          - os: ubuntu
+            cc: clang
+            cxx: clang++
+
+          - os: macos
+
+          - os: windows
+
+    runs-on: ${{matrix.os}}-latest
+
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          submodules: recursive
+
+      - name: Configure CC & CXX
+        if: matrix.cc != '' && matrix.cxx != ''
+        run: echo "CC=${{matrix.cc}}" >> $GITHUB_ENV && echo "CXX=${{matrix.cxx}}" >> $GITHUB_ENV
+
+      - name: Configure CMake
+        run: cmake -B ${{github.workspace}}/build -DCMAKE_VERBOSE_MAKEFILE:BOOL=ON -DCMAKE_BUILD_TYPE=Release -DCMAKE_COMPILE_WARNING_AS_ERROR=ON -DCMAKE_EXPORT_COMPILE_COMMANDS=ON
+
+      - name: Build
+        run: cmake --build ${{github.workspace}}/build --config Release
+
+      - name: Run clang-tidy
+        if: matrix.os == 'ubuntu' && matrix.cc == 'clang'
+        run: clang-tidy --warnings-as-errors="*" -p ${{github.workspace}}/build src/**/*.*
diff --git a/.gitignore b/.gitignore
index b8c1896..53bb566 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,3 +11,6 @@ build/
 build-debug/
 build-release/
 build-relwithdebinfo/
+cmake-build-*/
+
+.idea/
\ No newline at end of file
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 53ba954..e8d60c4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,13 +1,13 @@
-cmake_minimum_required(VERSION 3.2)
+cmake_minimum_required(VERSION 3.5)
 project(bin2s)
 
-if (${CMAKE_CXX_COMPILER_ID} STREQUAL "GNU" OR ${CMAKE_CXX_COMPILER_ID} STREQUAL "Clang")
-	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -Wall -Wextra -Wpedantic -Werror")
-	set(CMAKE_CXX_FLAGS_DEBUG "-g")
+if (${CMAKE_CXX_COMPILER_ID} STREQUAL "GNU" OR ${CMAKE_CXX_COMPILER_ID} MATCHES "Clang")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -Wall -Wextra -Wpedantic")
+  set(CMAKE_CXX_FLAGS_DEBUG "-g")
   set(CMAKE_CXX_FLAGS_RELEASE "-O3 -DNDEBUG")
   set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-g -O2 -DNDEBUG")
 
-  if (${CMAKE_CXX_COMPILER_ID} STREQUAL "Clang")
+  if (${CMAKE_CXX_COMPILER_ID} MATCHES "Clang")
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
     set(CMAKE_EXECUTABLE_LINKER_FLAGS "${CMAKE_EXECUTABLE_LINKER_FLAGS} -stdlib=libc++")
   endif()
@@ -16,7 +16,7 @@ if (${CMAKE_CXX_COMPILER_ID} STREQUAL "GNU" OR ${CMAKE_CXX_COMPILER_ID} STREQUAL
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mmacosx-version-min=10.7")
   endif()
 elseif (${CMAKE_CXX_COMPILER_ID} STREQUAL "MSVC")
-  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W4 /WX /MP")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W4 /MP")
   set(CMAKE_CXX_FLAGS_DEBUG "/ZI")
   set(CMAKE_CXX_FLAGS_RELEASE "/O2 /DNDEBUG")
   set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "/O2 /Zi /DNDEBUG")
diff --git a/src/bin2s.cpp b/src/bin2s.cpp
index 2344cbd..a8e6945 100644
--- a/src/bin2s.cpp
+++ b/src/bin2s.cpp
@@ -86,7 +86,7 @@ result bin2s(const std::string &identifier, std::istream &input,
 
   auto cur_pos = input.tellg();
   input.seekg(0, std::ios::end);
-  auto size = input.tellg() - cur_pos;
+  std::streamsize size = input.tellg() - cur_pos;
   input.seekg(cur_pos);
 
   if (size == 0) return result::empty_stream;