v5.1.4

.editorconfig

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+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[Makefile]
+indent_size = 8
+indent_style = tab
+
+[*.{ps1,cmd,bat}]
+end_of_line = crlf

.gitattributes

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+* text eol=lf
+*.ps1 eol=crlf
+*.cmd eol=crlf
+*.bat eol=crlf

.github/workflows/build.yml

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+name: Build Versions
+on:
+  push:
+    tags:
+      - 'v*'
+
+jobs:
+  build:
+    strategy:
+      matrix:
+        os: [ 'windows-latest', 'ubuntu-latest', 'macos-latest' ]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v2
+      - name: Build Binaries
+        run: |
+          cmake -E remove_directory build
+          cmake -E remove_directory dist
+          cmake -Bbuild -DCMAKE_INSTALL_PREFIX=dist
+          cmake --build build --target install --config release
+          cmake --build build --target package --config release
+      - name: Upload Artifact
+        uses: actions/upload-artifact@v2
+        with:
+          name: lua-${{ matrix.os }}
+          path: artifacts/lua*.*
+
+  create-releases:
+    needs:
+      - build
+    runs-on: ubuntu-latest
+    steps:
+      - name: Create Release
+        id: create-release
+        uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          tag_name: ${{ github.ref }}
+          release_name: Release ${{ github.ref }}
+          draft: false
+          prerelease: false
+      - name: Download Artifacts
+        id: download-artifacts
+        uses: actions/download-artifact@v2
+        with:
+          path: ~/artifacts
+      - name: Upload Assets
+        uses: dwenegar/upload-release-assets@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          release_id: ${{ steps.create-release.outputs.id }}
+          assets_path: ${{ steps.download-artifacts.outputs.download-path }}/**/*
+

.gitignore

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+### https://raw.github.com/github/gitignore/c608298e61930c0d8f72b31921df7dcaed18a28a/C.gitignore
+
+# Object files
+*.o
+*.ko
+*.obj
+*.elf
+
+# Precompiled Headers
+*.gch
+*.pch
+
+# Libraries
+*.lib
+*.a
+*.la
+*.lo
+
+# Shared objects (inc. Windows DLLs)
+*.dll
+*.so
+*.so.*
+*.dylib
+*.def
+
+# Executables
+*.exe
+*.out
+*.app
+*.i*86
+*.x86_64
+*.hex
+*.exp
+
+# Debug files
+*.dSYM/
+### macOS
+
+# General
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+
+### VisualStudioCode
+
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+
+### Custom
+
+.luacheckcache
+build/
+dist/
+artifacts/
+

CMakeLists.txt

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+cmake_minimum_required(VERSION 3.5 FATAL_ERROR)
+
+project(lua VERSION 5.1.4)
+
+if(NOT CMAKE_BUILD_TYPE)
+  set(CMAKE_BUILD_TYPE "Release")
+endif()
+
+if("${PROJECT_SOURCE_DIR}" STREQUAL "${PROJECT_BINARY_DIR}")
+  message(FATAL_ERROR "Not allowed to run in-source build!")
+endif()
+
+include(cmake/policy.cmake)
+
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake/macros")
+include(CheckPlatform)
+
+message(STATUS "Building Lua ${lua_VERSION}")
+
+add_subdirectory(src)
+
+if(${CMAKE_HOST_SYSTEM_PROCESSOR} STREQUAL "x86_64")
+  set(CPACK_SYSTEM_NAME "${CPACK_SYSTEM_NAME}-amd64")
+else()
+  set(CPACK_SYSTEM_NAME "${CPACK_SYSTEM_NAME}-${CMAKE_HOST_SYSTEM_PROCESSOR}")
+endif()
+string(TOLOWER "${CPACK_SYSTEM_NAME}" CPACK_SYSTEM_NAME)
+
+set(CPACK_TOPLEVEL_TAG lua)
+set(CPACK_PACKAGE_CHECKSUM SHA256)
+set(CPACK_INCLUDE_TOPLEVEL_DIRECTORY OFF)
+set(CPACK_PACKAGE_DIRECTORY "${CMAKE_SOURCE_DIR}/artifacts")
+include(CPack)
+

build.ps1

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+cmake -E remove_directory build
+cmake -E remove_directory dist
+cmake -Bbuild -DCMAKE_INSTALL_PREFIX=dist
+cmake --build build --target install --config release
+cmake --build build --target package --config release

build.sh

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+cmake -E remove_directory build
+cmake -E remove_directory dist
+cmake --verbose -H. -Bbuild -DCMAKE_INSTALL_PREFIX=dist
+cmake --build build --target install --config release
+cmake --build build --target package --config release

cmake/macros/CheckPlatform.cmake

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+if(WIN32)
+  include("${CMAKE_SOURCE_DIR}/cmake/platform/windows.cmake")
+elseif(UNIX)
+  include("${CMAKE_SOURCE_DIR}/cmake/platform/unix.cmake")
+endif()

cmake/macros/FindLibDL.cmake

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+# - Find libdl
+# Find the native LIBDL includes and library
+#
+# Usage of this module as follows:
+#
+#     find_package(Readline)
+#
+# Variables defined by this module:
+#
+#  LIBDL_INCLUDE_DIR - where to find dlfcn.h, etc.
+#  LIBDL_LIBRARIES   - List of libraries when using libdl.
+#  LIBDL_FOUND       - True if libdl found.
+
+include(FindPackageHandleStandardArgs)
+
+# Already in cache, be silent
+if(LIBDL_INCLUDE_DIR)
+  set(LIBDL_FIND_QUIETLY TRUE)
+endif()
+
+find_path(LIBDL_INCLUDE_DIR dlfcn.h)
+
+set(LIBDL_NAMES dl libdl ltdl libltdl)
+find_library(LIBDL_LIBRARY NAMES ${LIBDL_NAMES} )
+
+find_package_handle_standard_args(LibDL DEFAULT_MSG LIBDL_LIBRARY LIBDL_INCLUDE_DIR)
+
+if(LIBDL_FOUND)
+  set(LIBDL_LIBRARIES ${LIBDL_LIBRARY})
+else()
+  set(LIBDL_LIBRARIES)
+endif()
+
+mark_as_advanced(LIBDL_LIBRARY LIBDL_INCLUDE_DIR)

cmake/platform/unix.cmake

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+message(STATUS "UNIX: Detected C compiler: ${CMAKE_C_COMPILER_ID} ${CMAKE_C_COMPILER}")
+
+list(APPEND CMAKE_C_FLAGS -fPIC)
+list(APPEND LUA_EXTERNAL_LIBS m)
+
+if(APPLE)
+  add_definitions(-DLUA_USE_MACOSX)
+else()
+  add_definitions(-DLUA_USE_LINUX)
+
+  find_package(LibDL REQUIRED)
+  include_directories(${LIBDL_INCLUDE_DIR})
+  list(APPEND LUA_EXTERNAL_LIBS ${LIBDL_LIBRARIES})
+endif()
+
+set(LUA_LIBLUA_NAME "lua")
+set(CPACK_GENERATOR "TGZ")
+set(CPACK_SYSTEM_NAME "${CMAKE_HOST_SYSTEM_NAME}")

cmake/platform/windows.cmake

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+message(STATUS "Windows: Detected C compiler: ${CMAKE_C_COMPILER_ID} ${CMAKE_C_COMPILER}")
+
+add_compile_options(/MP /W4 /nologo /MD)
+add_definitions(-DWIN32_LEAN_AND_MEAN)
+add_definitions(-DLUA_BUILD_AS_DLL)
+set(LUA_LIBLUA_NAME "lua${PROJECT_VERSION_MAJOR}${PROJECT_VERSION_MINOR}")
+set(CPACK_SYSTEM_NAME "Windows")
+set(CPACK_GENERATOR "ZIP")

cmake/policy.cmake

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+cmake_policy(SET CMP0025 NEW) # Compiler id for Apple Clang is now AppleClang
+cmake_policy(SET CMP0005 NEW) # Preprocessor definition values are now escaped automatically.
+if(POLICY CMP0053)
+  cmake_policy(SET CMP0053 NEW) # faster evaluation of variable references
+endif()
+if(POLICY CMP0054)
+  cmake_policy(SET CMP0054 NEW) # Only interpret if() arguments as variables or keywords when unquoted
+endif()
+if (POLICY CMP0048)
+  cmake_policy(SET CMP0048 NEW) # project() command manages VERSION variables.
+endif()

src/CMakeLists.txt

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+add_subdirectory(lua)

src/lua/CMakeLists.txt

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+include(GenerateExportHeader)
+
+set(_HEADERS
+  lua.h luaconf.h lualib.h lauxlib.h lua.hpp)
+
+set(_SRCS
+  lapi.c lcode.c ldebug.c ldo.c ldump.c lfunc.c lgc.c llex.c lmem.c
+  lobject.c lopcodes.c lparser.c lstate.c lstring.c ltable.c ltm.c
+  lundump.c lvm.c lzio.c
+  lauxlib.c lbaselib.c ldblib.c liolib.c lmathlib.c loslib.c ltablib.c
+  lstrlib.c loadlib.c linit.c
+  ${_HEADERS})
+
+install(
+  FILES ${_HEADERS}
+  DESTINATION "include")
+
+add_library(liblua SHARED ${_SRCS})
+generate_export_header(liblua)
+set_target_properties(liblua PROPERTIES OUTPUT_NAME "${LUA_LIBLUA_NAME}")
+set_target_properties(liblua PROPERTIES VERSION "${lua_VERSION}")
+set_target_properties(liblua PROPERTIES SOVERSION "${lua_VERSION}")
+
+if(APPLE)
+  set(CMAKE_INSTALL_RPATH "@executable_path/../lib")
+elseif(UNIX)
+  set(CMAKE_INSTALL_RPATH "$ORIGIN/../lib")
+endif()
+
+install(
+  TARGETS liblua
+  RUNTIME DESTINATION "bin"
+  LIBRARY DESTINATION "lib"
+  ARCHIVE DESTINATION "lib")
+
+add_executable(lua lua.c)
+set_target_properties(lua PROPERTIES ENABLE_EXPORTS true)
+target_link_libraries(lua liblua ${LUA_EXTERNAL_LIBS})
+install(
+  TARGETS lua
+  RUNTIME DESTINATION "bin")