Refactor library version and installation

CMakeLists.txt

@@ -1,11 +1,24 @@
 cmake_minimum_required(VERSION 3.20)
 
-project(fimdlp)
+project(fimdlp 
+    LANGUAGES CXX
+    DESCRIPTION "Discretization algorithm based on the paper by Fayyad & Irani Multi-Interval Discretization of Continuous-Valued Attributes for Classification Learning."
+    HOMEPAGE_URL "https://github.com/rmontanana/mdlp"
+    VERSION 2.0.1
+)
 set(CMAKE_CXX_STANDARD 17)
 cmake_policy(SET CMP0135 NEW)
 
 find_package(Torch CONFIG REQUIRED)
 
+# Options
+# -------
+option(ENABLE_TESTING OFF)
+option(ENABLE_SAMPLE  OFF)
+option(COVERAGE       OFF)
+
+add_subdirectory(config)
+
 set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -fno-elide-constructors")
 set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O3")
 if (NOT ${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
@@ -13,23 +26,24 @@ if (NOT ${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
 endif()
 
 if (ENABLE_TESTING)
-    MESSAGE("Debug mode")
+    message("Debug mode")
     enable_testing()
     set(CODE_COVERAGE ON)
-    SET(GCC_COVERAGE_LINK_FLAGS " ${GCC_COVERAGE_LINK_FLAGS} -lgcov --coverage")
+    set(GCC_COVERAGE_LINK_FLAGS "${GCC_COVERAGE_LINK_FLAGS} -lgcov --coverage")
     add_subdirectory(tests)
-else(ENABLE_TESTING)
+else()
-    MESSAGE("Release mode")
+    message("Release mode")
-endif(ENABLE_TESTING)
+endif()
 
 if (ENABLE_SAMPLE)
     message("Building sample")
     add_subdirectory(sample)
-endif(ENABLE_SAMPLE)
+endif()
 
 include_directories(
     ${TORCH_INCLUDE_DIRS}
     ${fimdlp_SOURCE_DIR}/src
+    ${CMAKE_BINARY_DIR}/configured_files/include
 )
 
 add_library(fimdlp src/CPPFImdlp.cpp src/Metrics.cpp src/BinDisc.cpp src/Discretizer.cpp)
@@ -37,8 +51,29 @@ target_link_libraries(fimdlp "${TORCH_LIBRARIES}")
 
 # Installation
 # ------------
+include(CMakePackageConfigHelpers)
+write_basic_package_version_file(
+    "${CMAKE_CURRENT_BINARY_DIR}/fimdlpConfigVersion.cmake"
+    VERSION ${PROJECT_VERSION}
+    COMPATIBILITY AnyNewerVersion
+)
+
 install(TARGETS fimdlp
+        EXPORT fimdlpTargets
         ARCHIVE DESTINATION lib
         LIBRARY DESTINATION lib
         CONFIGURATIONS Release)
+
 install(DIRECTORY src/ DESTINATION include/fimdlp FILES_MATCHING CONFIGURATIONS Release PATTERN "*.h")
+install(FILES ${CMAKE_BINARY_DIR}/configured_files/include/config.h DESTINATION include/fimdlp CONFIGURATIONS Release)
+
+install(EXPORT fimdlpTargets
+        FILE fimdlpTargets.cmake
+        NAMESPACE fimdlp::
+        DESTINATION lib/cmake/fimdlp)
+
+configure_file(fimdlpConfig.cmake.in "${CMAKE_CURRENT_BINARY_DIR}/fimdlpConfig.cmake" @ONLY)
+install(FILES "${CMAKE_CURRENT_BINARY_DIR}/fimdlpConfig.cmake"
+              "${CMAKE_CURRENT_BINARY_DIR}/fimdlpConfigVersion.cmake"
+        DESTINATION lib/cmake/fimdlp)
+

config/CMakeLists.txt

@@ -0,0 +1,4 @@
+configure_file(
+  "config.h.in"
+  "${CMAKE_BINARY_DIR}/configured_files/include/config.h" ESCAPE_QUOTES
+)

config/config.h.in

@@ -0,0 +1,13 @@
+#pragma once
+
+#include <string>
+#include <string_view>
+
+#define PROJECT_VERSION_MAJOR @PROJECT_VERSION_MAJOR @
+#define PROJECT_VERSION_MINOR @PROJECT_VERSION_MINOR @
+#define PROJECT_VERSION_PATCH @PROJECT_VERSION_PATCH @
+
+static constexpr std::string_view project_name = "@PROJECT_NAME@";
+static constexpr std::string_view project_version = "@PROJECT_VERSION@";
+static constexpr std::string_view project_description = "@PROJECT_DESCRIPTION@";
+static constexpr std::string_view git_sha = "@GIT_SHA@";

fimdlpConfig.cmake.in

@@ -0,0 +1,2 @@
+@PACKAGE_INIT@
+include("${CMAKE_CURRENT_LIST_DIR}/fimdlpTargets.cmake")

sample/CMakeLists.txt

@@ -5,6 +5,7 @@ set(CMAKE_BUILD_TYPE Debug)
 include_directories(
     ${fimdlp_SOURCE_DIR}/src
     ${fimdlp_SOURCE_DIR}/tests/lib/Files
+    ${CMAKE_BINARY_DIR}/configured_files/include
 )
 
 add_executable(sample sample.cpp )

src/Discretizer.h

@@ -11,6 +11,7 @@
 #include <algorithm>
 #include "typesFImdlp.h"
 #include <torch/torch.h>
+#include "config.h"
 
 namespace mdlp {
     enum class bound_dir_t {
@@ -29,7 +30,7 @@ namespace mdlp {
         void fit_t(const torch::Tensor& X_, const torch::Tensor& y_);
         torch::Tensor transform_t(const torch::Tensor& X_);
         torch::Tensor fit_transform_t(const torch::Tensor& X_, const torch::Tensor& y_);
-        static inline std::string version() { return "2.0.1"; };
+        static inline std::string version() { return { project_version.begin(), project_version.end() };; };
     protected:
         labels_t discretizedData = labels_t();
         cutPoints_t cutPoints; // At least two cutpoints must be provided, the first and the last will be ignored in transform

tests/CMakeLists.txt

@@ -12,6 +12,7 @@ include_directories(
         ${TORCH_INCLUDE_DIRS}
         ${fimdlp_SOURCE_DIR}/src
         ${fimdlp_SOURCE_DIR}/tests/lib/Files    
+        ${CMAKE_BINARY_DIR}/configured_files/include
 )
 
 add_executable(Metrics_unittest ${fimdlp_SOURCE_DIR}/src/Metrics.cpp Metrics_unittest.cpp)