Add CMake support and fix winmain.h missing problem

.gitignore

@@ -0,0 +1,5 @@
+obj/
+build/
+build.*/
+.vscode/
+config.log

CMakeLists.txt

@@ -0,0 +1,210 @@
+cmake_minimum_required(VERSION 3.13)
+
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/cmake")
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/external/findwix/cmake/")
+
+project(crfpp VERSION 0.59 LANGUAGES C CXX)
+
+if(DEFINED ENV{VCPKG_ROOT} AND NOT DEFINED CMAKE_TOOLCHAIN_FILE)
+    if(CMAKE_SIZEOF_VOID_P MATCHES "8")
+        set(VCPKG_TARGET_TRIPLET "x64-windows-static" CACHE STRING "VCPKG_TARGET_TRIPLET" FORCE)
+    else()
+        set(VCPKG_TARGET_TRIPLET "x86-windows-static" CACHE STRING "VCPKG_TARGET_TRIPLET" FORCE)
+    endif()
+    set(CMAKE_TOOLCHAIN_FILE "$ENV{VCPKG_ROOT}/scripts/buildsystems/vcpkg.cmake" CACHE STRING "CMAKE_TOOLCHAIN_FILE" FORCE)
+endif()
+
+include(CheckIncludeFile)
+include(CheckIncludeFiles)
+include(CheckFunctionExists)
+include(CheckSymbolExists)
+include(CheckCSourceCompiles)
+include(CheckCXXSourceCompiles)
+include(FindLibM)
+
+set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
+set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
+set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
+
+# Generate 'compile_commands.json' for clang_complete
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+
+set(CXX_STD 14 CACHE STRING "Set to 11, 14, 17 or 20 to enable C++11, C++14, C++17 or C++20 builds, respectively." FORCE)
+set(C_STD 11 CACHE STRING "Set to 99 or 11 to enable C99 or C11 builds, respectively." FORCE)
+
+if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU" OR "${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
+    if("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
+        add_compile_options("-Wno-everything")
+    endif()
+endif()
+
+add_compile_definitions(HAVE_CONFIG_H)
+
+if(WIN32)
+    add_compile_definitions(_CRT_SECURE_NO_DEPRECATE WIN32_LEAN_AND_MEAN _CRT_SECURE_NO_WARNINGS UNICODE _UNICODE HAVE_WINDOWS_H DLL_EXPORT)
+    add_compile_options("/utf-8" "/EHsc" "/GA" "/GL" "/Gy" "/Oi" "/Ob2" "/nologo" "/W3" "/wd4244")
+    add_link_options("/OPT:REF" "/OPT:ICF" "/LTCG" "/NXCOMPAT" "/DYNAMICBASE")
+    if(MSVC)
+        set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /O2 /MT")
+        set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /MTd")
+    endif()
+else()
+    if(UNIX)
+        if(APPLE)
+            add_compile_options("-m64" "-fPIC" "-O3" "-march=native")
+            set(CMAKE_MACOSX_RPATH 1 CACHE STRING "CMAKE_MACOSX_RPATH" FORCE)
+        else()
+            add_compile_options("-fPIC" "-O3")
+            if(CMAKE_SYSTEM_PROCESSOR MATCHES "(x86)|(X86)|(amd64)|(AMD64)")
+                add_compile_options("-m64" "-march=westmere")
+            endif()
+        endif()
+    endif()
+endif()
+
+foreach(keyword "__thread" "__declspec(thread)")
+    check_c_source_compiles(
+        "#if defined(__MINGW32__) && !(__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5))
+        #error This MinGW version has broken __thread support
+        #endif
+        #ifdef __OpenBSD__
+        #error OpenBSD has broken __thread support
+        #endif
+
+        int ${keyword} test;
+        int main() { return 0; }"
+        HAVE_TLS_${keyword})
+    if(HAVE_TLS_${keyword})
+        set(HAVE_TLS_KEYWORD 1)
+        break()
+    endif()
+endforeach()
+
+set(CHECK_SIZE_T_COMPATIBILITY 1 CACHE STRING "CHECK_SIZE_T_COMPATIBILITY" FORCE)
+foreach(type "unsigned short int" "unsigned int" "unsigned long int")
+    string(REGEX REPLACE "[^0-9a-zA-Z_]" "_" TYPE_VAR ${type})
+    string(REGEX REPLACE "^[^a-zA-Z_]+" "" TYPE_VAR ${TYPE_VAR})
+    string(TOUPPER ${TYPE_VAR} TYPE_VAR)
+    check_cxx_source_compiles(
+        "#include <cstddef>
+        void foo(size_t x) {}
+        void foo(${type} x) {}
+        int main() { return 0; }"
+        ${TYPE_VAR}_COMPATIBLE_TO_SIZE_T)
+    message(STATUS "Checking if '${type}' is compatible with 'size_t': ${TYPE_VAR} [${${TYPE_VAR}_COMPATIBLE_TO_SIZE_T}]")
+endforeach()
+
+CHECK_INCLUDE_FILES("stdint.h;stddef.h" STDC_HEADERS)
+CHECK_INCLUDE_FILE("stdint.h" HAVE_STDINT_H)
+CHECK_INCLUDE_FILE("stdlib.h" HAVE_STDLIB_H)
+CHECK_INCLUDE_FILE("ctype.h" HAVE_CTYPE_H)
+CHECK_INCLUDE_FILE("dlfcn.h" HAVE_DLFCN_H)
+CHECK_INCLUDE_FILE("fcntl.h" HAVE_FCNTL_H)
+CHECK_INCLUDE_FILE("inttypes.h" HAVE_INTTYPES_H)
+CHECK_INCLUDE_FILE("math.h" HAVE_MATH_H)
+CHECK_INCLUDE_FILE("memory.h" HAVE_MEMORY_H)
+CHECK_INCLUDE_FILE("strings.h" HAVE_STRINGS_H)
+CHECK_INCLUDE_FILE("string.h" HAVE_STRING_H)
+CHECK_INCLUDE_FILE("sys/mman.h" HAVE_SYS_MMAN_H)
+CHECK_INCLUDE_FILE("sys/param.h" HAVE_SYS_PARAM_H)
+CHECK_INCLUDE_FILE("sys/stat.h" HAVE_SYS_STAT_H)
+CHECK_INCLUDE_FILE("sys/times.h" HAVE_SYS_TIMES_H)
+CHECK_INCLUDE_FILE("sys/types.h" HAVE_SYS_TYPES_H)
+CHECK_INCLUDE_FILE("unistd.h" HAVE_UNISTD_H)
+CHECK_INCLUDE_FILE("pthread.h" HAVE_PTHREAD_H)
+
+check_function_exists("getpagesize" HAVE_GETPAGESIZE)
+check_function_exists("mmap" HAVE_MMAP)
+
+check_symbol_exists("_SC_NPROCESSORS_CONF" "unistd.h" HAVE_SYS_CONF_SC_NPROCESSORS_CONF)
+
+set(EXTRA_LINKING_LIBRARIES "")
+
+find_package(LibM QUIET)
+if(LIBM_FOUND)
+    list(APPEND EXTRA_LINKING_LIBRARIES ${LIBM_LIBRARIES})
+    include_directories(${LIBM_INCLUDE_DIRS})
+    set(HAVE_LIBM 1 CACHE STRING "HAVE_LIBM" FORCE)
+endif()
+
+find_package(Threads QUIET)
+if(Threads_FOUND)
+    list(APPEND EXTRA_LINKING_LIBRARIES ${CMAKE_THREAD_LIBS_INIT})
+    include_directories(${Threads_INCLUDE_DIRS})
+    set(HAVE_LIBPTHREAD 1 CACHE STRING "HAVE_LIBPTHREAD" FORCE)
+endif()
+
+message(STATUS "Project: ${PROJECT_NAME}")
+message(STATUS "Version: ${PROJECT_VERSION}")
+
+set(CRF_PACKAGE_NAME ${PROJECT_NAME} CACHE STRING "CRF_PACKAGE_NAME" FORCE)
+set(CRF_PACKAGE_VERSION ${PROJECT_VERSION} CACHE STRING "CRF_PACKAGE_VERSION" FORCE)
+
+configure_file(${CMAKE_CURRENT_LIST_DIR}/config.h.cmake.in config.h)
+
+include_directories(
+    ${CMAKE_CURRENT_LIST_DIR}
+    ${CMAKE_BINARY_DIR}
+    ${CMAKE_CURRENT_BINARY_DIR})
+
+file(GLOB CRFPP_SOURCE_FILES
+	${CMAKE_CURRENT_LIST_DIR}/*.c
+    ${CMAKE_CURRENT_LIST_DIR}/*.cpp
+    ${CMAKE_CURRENT_BINARY_DIR}/*.c
+    ${CMAKE_CURRENT_BINARY_DIR}/*.cpp)
+
+set(CRF_LEARN_SOURCE_FILES "${CMAKE_CURRENT_LIST_DIR}/crf_learn.cpp")
+
+set(CRF_TEST_SOURCE_FILES "${CMAKE_CURRENT_LIST_DIR}/crf_test.cpp")
+
+list(FILTER CRFPP_SOURCE_FILES EXCLUDE REGEX "crf_.+\.cpp")
+list(REMOVE_DUPLICATES CRFPP_SOURCE_FILES)
+
+add_library(crfpp-static STATIC ${CRFPP_SOURCE_FILES})
+target_include_directories(crfpp-static PUBLIC ${CMAKE_CURRENT_LIST_DIR})
+target_link_libraries(crfpp-static ${EXTRA_LINKING_LIBRARIES})
+if(NOT WIN32)
+    set_target_properties(crfpp-static PROPERTIES OUTPUT_NAME "crfpp")
+endif()
+set_target_properties(crfpp-static PROPERTIES PUBLIC_HEADER "crfpp.h")
+
+add_library(crfpp SHARED ${CRFPP_SOURCE_FILES})
+target_include_directories(crfpp PUBLIC ${CMAKE_CURRENT_LIST_DIR})
+target_link_libraries(crfpp ${EXTRA_LINKING_LIBRARIES})
+set_target_properties(crfpp PROPERTIES PUBLIC_HEADER "crfpp.h")
+
+add_executable(crf_learn ${CRF_LEARN_SOURCE_FILES})
+target_link_libraries(crf_learn crfpp-static)
+
+add_executable(crf_test ${CRF_LEARN_SOURCE_FILES})
+target_link_libraries(crf_test crfpp-static)
+
+add_subdirectory(sdk)
+add_subdirectory(example)
+
+# Installer
+
+install(TARGETS crfpp crfpp-static
+    RUNTIME
+        DESTINATION bin
+    LIBRARY
+        DESTINATION bin
+    RESOURCE
+        DESTINATION bin
+    LIBRARY
+        DESTINATION lib
+    ARCHIVE
+        DESTINATION lib
+    PUBLIC_HEADER
+        DESTINATION include)
+
+if(WIN32)
+	if(CMAKE_SIZEOF_VOID_P MATCHES "8")
+		set(CPACK_WIX_PLATFORM "x64" CACHE STRING "CPACK_WIX_PLATFORM" FORCE)
+	else()
+		set(CPACK_WIX_PLATFORM "x86" CACHE STRING "CPACK_WIX_PLATFORM" FORCE)
+	endif()
+	set(CPACK_WIX_EXTENSIONS "WixUtilExtension" "WixUIExtension" "WixNetFxExtension" CACHE STRING "CPACK_WIX_EXTENSIONS" FORCE)
+else()
+    include(GNUInstallDirs)
+endif()