Draft: Modernize CMake

.github/workflows/ci.yml

@@ -0,0 +1,34 @@
+name: ci
+
+on:
+  push:
+    paths:
+      - "**.c"
+      - "**.cmake"
+      - "**/CMakeLists.txt"
+      - ".github/workflows/ci.yml"
+
+jobs:
+
+  unix:
+
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+
+    runs-on: ${{ matrix.os }}
+    timeout-minutes: 5
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - run: cmake --workflow --preset default
+
+  windows_msvc:
+    runs-on: windows-latest
+    timeout-minutes: 5
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - run: cmake --workflow --preset msvc

CMakeLists.txt

@@ -1,31 +1,58 @@
-cmake_minimum_required(VERSION 2.8)
-project(GKlib C)
+cmake_minimum_required(VERSION 3.14...3.28)
+
+project(GKlib LANGUAGES C
+VERSION 1.0.0
+)
+
+enable_testing()
+
+option(BUILD_TESTING "Build tests" ON)
 
 option(BUILD_SHARED_LIBS "Build shared libraries (.dll/.so) instead of static ones (.lib/.a)" OFF)
 
-get_filename_component(abs "." ABSOLUTE)
-set(GKLIB_PATH ${abs})
-unset(abs)
+if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT AND GKlib_IS_TOP_LEVEL)
+  set(CMAKE_INSTALL_PREFIX "${PROJECT_BINARY_DIR}/local" CACHE PATH "install prefix" FORCE)
+endif()
+
+set(CMAKE_C_STANDARD 99)
+
+message(STATUS "${PROJECT_NAME} ${PROJECT_VERSION} CMake ${CMAKE_VERSION} Arch: ${CMAKE_SYSTEM_PROCESSOR} install prefix: ${CMAKE_INSTALL_PREFIX}")
+
+set(GKLIB_PATH ${PROJECT_SOURCE_DIR})
+
 include(GKlibSystem.cmake)
 
-include_directories(".")
-if(MSVC)
-  include_directories("win32")
-  file(GLOB win32_sources RELATIVE "win32" "*.c")
-else(MSVC)
-  set(win32_sources, "")
-endif(MSVC)
+set(win32_inc $<$<BOOL:${MSVC}>:${PROJECT_SOURCE_DIR}/win32>)
+set(win32_sources $<$<BOOL:${MSVC}>:win32/adapt.c>)
+
+set(GKlib_sources b64.c		evaluate.c	gkregex.c	mcore.c		seq.c
+blas.c		fkvkselect.c	graph.c		memory.c	sort.c
+cache.c		fs.c		htable.c	pqueue.c	string.c
+csr.c		getopt.c	io.c		random.c	timers.c
+error.c		gk_util.c	itemsets.c	rw.c		tokenizer.c)
 
 add_library(GKlib ${GKlib_sources} ${win32_sources})
+target_include_directories(GKlib PUBLIC
+$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
+$<INSTALL_INTERFACE:include>
+)
+target_link_libraries(GKlib PRIVATE
+$<$<BOOL:${UNIX}>:m>
+$<$<BOOL:${OPENMP}>:OpenMP::OpenMP_C>
+)
+
+add_library(GKlib::GKlib INTERFACE IMPORTED GLOBAL)
+target_link_libraries(GKlib::GKlib INTERFACE GKlib)
+
+if(BUILD_TESTING)
+add_subdirectory(test)
+endif()
 
-if(UNIX)
-  target_link_libraries(GKlib m)
-endif(UNIX)
+install(TARGETS GKlib EXPORT ${PROJECT_NAME}-targets)
 
-include_directories("test")
-add_subdirectory("test")
+install(FILES GKlib.h TYPE INCLUDE)
+# must have trailing slash or it makes a vestigial subdir
+install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/ TYPE INCLUDE
+FILES_MATCHING PATTERN "gk_*.h")
 
-install(TARGETS GKlib
-  ARCHIVE DESTINATION lib/${LINSTALL_PATH}
-  LIBRARY DESTINATION lib/${LINSTALL_PATH})
-install(FILES ${GKlib_includes} DESTINATION include/${HINSTALL_PATH})
+include(cmake/install.cmake)

CMakePresets.json

@@ -0,0 +1,114 @@
+{
+  "version": 6,
+
+"configurePresets": [
+{
+  "name": "default",
+  "binaryDir": "${sourceDir}/build",
+  "cacheVariables": {
+    "CMAKE_COMPILE_WARNING_AS_ERROR": true
+  }
+},
+{
+  "name": "msvc", "inherits": "default",
+  "generator": "Visual Studio 17 2022",
+  "cacheVariables": {
+    "CMAKE_COMPILE_WARNING_AS_ERROR": false
+  }
+}
+],
+"buildPresets": [
+  {
+    "name": "default",
+    "configurePreset": "default"
+  },
+  {
+    "name": "release",
+    "configurePreset": "default",
+    "configuration": "Release"
+  },
+  {
+    "name": "msvc-debug",
+    "configurePreset": "msvc",
+    "configuration": "Debug"
+  }
+],
+"testPresets": [
+{
+  "name": "default",
+  "configurePreset": "default",
+  "output": {
+    "outputOnFailure": true,
+    "verbosity": "verbose"
+  },
+  "execution": {
+    "noTestsAction": "error",
+    "scheduleRandom": true,
+    "stopOnFailure": false,
+    "timeout": 60
+  }
+},
+{
+  "name": "release", "inherits": "default",
+  "configuration": "Release"
+},
+{
+  "name": "msvc-debug", "inherits": "default",
+  "configurePreset": "msvc",
+  "configuration": "Debug"
+}
+],
+"workflowPresets": [
+  {
+    "name": "default",
+    "steps": [
+      {
+        "type": "configure",
+        "name": "default"
+      },
+      {
+        "type": "build",
+        "name": "default"
+      },
+      {
+        "type": "test",
+        "name": "default"
+      }
+    ]
+  },
+  {
+    "name": "msvc",
+    "steps": [
+      {
+        "type": "configure",
+        "name": "msvc"
+      },
+      {
+        "type": "build",
+        "name": "msvc-debug"
+      },
+      {
+        "type": "test",
+        "name": "msvc-debug"
+      }
+    ]
+  },
+  {
+    "name": "release",
+    "steps": [
+      {
+        "type": "configure",
+        "name": "default"
+      },
+      {
+        "type": "build",
+        "name": "release"
+      },
+      {
+        "type": "test",
+        "name": "release"
+      }
+    ]
+  }
+]
+}