Addition of cmake

.github/workflows/CI.yml

@@ -7,7 +7,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        build: [fpm, meson]
+        build: [cmake, fpm, meson]
         os: [ubuntu-latest, macos-latest, windows-latest]
         gcc: [10] # Version of GFortran we want to use.
         build-type: [debug]
@@ -25,6 +25,7 @@ jobs:
       CC: gcc
       FPM_FC: gfortran
       FPM_CC: gcc
+      BUILD_DIR: ${{ matrix.build == 'cmake' && 'build' || '.' }}
     steps:
     - name: Checkout code
       uses: actions/checkout@v2
@@ -66,11 +67,27 @@ jobs:
 
     - name: Install dependencies
       uses: mamba-org/provision-with-micromamba@main
+      if: ${{ matrix.build == 'fpm' || 'meson' }}
       with:
         environment-file: config/ci/${{ matrix.build }}-env.yaml
         extra-specs: |
           ${{ matrix.build-type == 'coverage' && 'gcovr' || '' }}
 
+    - name: Configure (cmake)
+      if: ${{ matrix.build == 'cmake' }}
+      run: >-
+        cmake -Wdev
+        -DCMAKE_INSTALL_PREFIX=$PWD/_dist
+        -S . -B ${{ env.BUILD_DIR }}
+
+    - name: Compile (cmake)
+      if: ${{ matrix.build == 'cmake' }}
+      run: cmake --build ${{ env.BUILD_DIR }} --parallel
+
+    - name: Run test (cmake)
+      if: ${{ matrix.build == 'cmake' }}
+      run: cmake --build ${{ env.BUILD_DIR }} --target test
+
     - name: Compile (fpm)
       if: ${{ matrix.build == 'fpm' }}
       run: fpm build --profile release

CMakeLists.txt

@@ -0,0 +1,35 @@
+cmake_minimum_required(VERSION 3.14.0)
+
+# Include overwrites before setting up the project
+set(CMAKE_USER_MAKE_RULES_OVERRIDE ${CMAKE_CURRENT_SOURCE_DIR}/config/DefaultFlags.cmake)
+
+project(minpack
+        LANGUAGES Fortran
+	VERSION "2.0.0"
+        DESCRIPTION "Minpack includes software for solving nonlinear equations and nonlinear least squares problems"
+)
+
+include(CTest)
+
+# Follow GNU conventions for installation directories
+include(GNUInstallDirs)
+
+# --- CMake specific configuration and package data export
+add_subdirectory(config)
+
+# --- compiler feature checks
+include(CheckFortranSourceCompiles)
+include(CheckFortranSourceRuns)
+
+add_subdirectory(src)
+
+if(BUILD_TESTING)
+  enable_testing()
+  add_subdirectory(test)
+  add_subdirectory(examples)
+endif()
+
+install(EXPORT ${PROJECT_NAME}-targets
+        NAMESPACE ${PROJECT_NAME}::
+        DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}"
+)

README.md

@@ -32,6 +32,7 @@ Further updates are planned...
 To build this project from the source code in this repository you need to have
 a Fortran compiler supporting Fortran 2008 and one of the supported build systems:
 
+- [cmake](https://cmake.org) version 3.14.0 or newer
 - [fpm](https://fpm.fortran-lang.org) version 0.3.0 or newer
 - [meson](https://mesonbuild.com) version 0.55 or newer, with
   a build-system backend, *i.e.* [ninja](https://ninja-build.org) version 1.7 or newer
@@ -44,6 +45,21 @@ cd minpack
 ```
 
 
+#### Building with cmake
+
+Invoke cmake in the project root with
+
+```
+cmake -B build
+cmake --build build
+```
+
+To run the testsuite use
+
+```
+cmake --build build --target test
+```
+
 #### Building with fpm
 
 Invoke fpm in the project root with

config/CMakeLists.txt

@@ -0,0 +1,53 @@
+# SPDX-Identifier: MIT
+
+if(NOT DEFINED CMAKE_INSTALL_MODULEDIR)
+  set(
+    CMAKE_INSTALL_MODULEDIR
+    "${CMAKE_INSTALL_INCLUDEDIR}/${PROJECT_NAME}/${CMAKE_Fortran_COMPILER_ID}-${CMAKE_Fortran_COMPILER_VERSION}"
+    CACHE
+    STRING
+    "Directory in prefix to install generated module files"
+  )
+endif()
+
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
+set(CMAKE_MODULE_PATH "${CMAKE_MODULE_PATH}" PARENT_SCOPE)
+
+# Export a pkg-config file
+configure_file(
+  "${CMAKE_CURRENT_SOURCE_DIR}/template.pc"
+  "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}.pc"
+  @ONLY
+)
+install(
+  FILES
+  "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}.pc"
+  DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig"
+)
+
+# Export CMake package file
+include(CMakePackageConfigHelpers)
+configure_package_config_file(
+  "${CMAKE_CURRENT_SOURCE_DIR}/template.cmake"
+  "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-config.cmake"
+  INSTALL_DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}"
+)
+if(BUILD_SHARED_LIBS OR PROJECT_VERSION_MAJOR EQUAL 0)
+  # Due to the uncertain ABI compatibility of Fortran shared libraries
+  # limit compatibility for dynamic linking to same minor version.
+  set(COMPATIBILITY SameMinorVersion)
+else()
+  # Require API compatibility via semantic versioning for static linking.
+  set(COMPATIBILITY SameMajorVersion)
+endif()
+write_basic_package_version_file(
+  "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-config-version.cmake"
+  VERSION "${PROJECT_VERSION}"
+  COMPATIBILITY ${COMPATIBILITY}
+)
+install(
+  FILES
+  "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-config.cmake"
+  "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-config-version.cmake"
+  DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}"
+)

config/DefaultFlags.cmake

@@ -0,0 +1,50 @@
+if(CMAKE_Fortran_COMPILER_ID STREQUAL "GNU")
+  set(
+    CMAKE_Fortran_FLAGS_INIT
+    "-fimplicit-none"
+    "-ffree-line-length-132"
+  )
+  set(
+    CMAKE_Fortran_FLAGS_RELEASE_INIT
+  )
+  set(
+    CMAKE_Fortran_FLAGS_DEBUG_INIT
+    "-Wall"
+    "-Wextra"
+    "-Wimplicit-procedure"
+    "-std=f2018"
+  )
+elseif(CMAKE_Fortran_COMPILER_ID MATCHES "^Intel")
+  set(
+    CMAKE_Fortran_FLAGS_INIT
+  )
+  set(
+    CMAKE_Fortran_FLAGS_RELEASE_INIT
+  )
+  if(WIN32)
+    set(
+      CMAKE_Fortran_FLAGS_DEBUG_INIT
+      "/stand:f18"
+      "/warn:declarations,general,usage,interfaces,unused"
+    )
+  else()
+    set(
+      CMAKE_Fortran_FLAGS_DEBUG_INIT
+      "-stand f18"
+      "-warn declarations,general,usage,interfaces,unused"
+    )
+  endif()
+else()
+  set(
+    CMAKE_Fortran_FLAGS_INIT
+  )
+  set(
+    CMAKE_Fortran_FLAGS_RELEASE_INIT
+  )
+  set(
+    CMAKE_Fortran_FLAGS_DEBUG_INIT
+  )
+endif()
+string(REPLACE ";" " " CMAKE_Fortran_FLAGS_INIT "${CMAKE_Fortran_FLAGS_INIT}")
+string(REPLACE ";" " " CMAKE_Fortran_FLAGS_RELEASE_INIT "${CMAKE_Fortran_FLAGS_RELEASE_INIT}")
+string(REPLACE ";" " " CMAKE_Fortran_FLAGS_DEBUG_INIT "${CMAKE_Fortran_FLAGS_DEBUG_INIT}")

config/template.cmake

@@ -0,0 +1,5 @@
+@PACKAGE_INIT@
+
+if(NOT TARGET "@PROJECT_NAME@::@PROJECT_NAME@")
+  include("${CMAKE_CURRENT_LIST_DIR}/@[email protected]")
+endif()

config/template.pc

@@ -0,0 +1,10 @@
+prefix=@CMAKE_INSTALL_PREFIX@
+libdir=${prefix}/@CMAKE_INSTALL_LIBDIR@
+includedir=${prefix}/@CMAKE_INSTALL_INCLUDEDIR@
+moduledir=${prefix}/@CMAKE_INSTALL_MODULEDIR@
+
+Name: @PROJECT_NAME@
+Description: @PROJECT_DESCRIPTION@
+Version: @PROJECT_VERSION@
+Libs: -L${libdir} -l@PROJECT_NAME@
+Cflags: -I${includedir} -I${moduledir}

examples/CMakeLists.txt

@@ -0,0 +1,19 @@
+macro(ADDEXAMPLE name)
+    add_executable(example_${name} example_${name}.f90)
+    target_link_libraries(example_${name} "${PROJECT_NAME}")
+    add_test(NAME ${name}
+             COMMAND $<TARGET_FILE:example_${name}> ${CMAKE_CURRENT_BINARY_DIR}
+             WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
+endmacro(ADDEXAMPLE)
+
+set(examples
+    "hybrd"
+    "hybrd1"
+    "lmder1"
+    "lmdif1"
+    "primes"
+)
+
+foreach(example IN LISTS examples)
+  ADDEXAMPLE(${example})
+endforeach()

src/CMakeLists.txt

@@ -0,0 +1,44 @@
+set(SRC
+    minpack.f90
+    minpack_capi.f90
+)
+
+add_library(${PROJECT_NAME} ${SRC})
+
+set_target_properties(
+  ${PROJECT_NAME}
+  PROPERTIES
+  POSITION_INDEPENDENT_CODE ON
+  WINDOWS_EXPORT_ALL_SYMBOLS ON
+)
+
+if(CMAKE_Fortran_COMPILER_ID STREQUAL GNU AND CMAKE_Fortran_COMPILER_VERSION VERSION_LESS 10.0)
+  target_compile_options(
+     ${PROJECT_NAME}
+     PRIVATE
+     $<$<COMPILE_LANGUAGE:Fortran>:-fno-range-check>
+   )
+endif()
+
+set(LIB_MOD_DIR ${CMAKE_CURRENT_BINARY_DIR}/mod_files/)
+# We need the module directory before we finish the configure stage since the
+# build interface might resolve before the module directory is generated by CMake
+if(NOT EXISTS "${LIB_MOD_DIR}")
+  make_directory("${LIB_MOD_DIR}")
+endif()
+
+set_target_properties(${PROJECT_NAME} PROPERTIES
+    Fortran_MODULE_DIRECTORY ${LIB_MOD_DIR})
+
+target_include_directories(${PROJECT_NAME} PUBLIC
+    $<BUILD_INTERFACE:${LIB_MOD_DIR}>
+    $<INSTALL_INTERFACE:${CMAKE_INSTALL_MODULEDIR}>
+)
+
+install(TARGETS ${PROJECT_NAME}
+        EXPORT ${PROJECT_NAME}-targets
+        RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
+        ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
+        LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
+)
+install(DIRECTORY ${LIB_MOD_DIR} DESTINATION "${CMAKE_INSTALL_MODULEDIR}")

test/CMakeLists.txt

@@ -0,0 +1,22 @@
+macro(ADDTEST name)
+    add_executable(test_${name} test_${name}.f90)
+    target_link_libraries(test_${name} "${PROJECT_NAME}")
+    add_test(NAME ${name}
+             COMMAND $<TARGET_FILE:test_${name}> ${CMAKE_CURRENT_BINARY_DIR}
+             WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
+endmacro(ADDTEST)
+
+set(tests
+    "chkder"
+    "hybrd"
+    "hybrj"
+    "lmder"
+    "lmdif"
+    "lmstr"
+)
+
+foreach(test IN LISTS tests)
+  ADDTEST(${test})
+endforeach()
+
+