build: Add CMake build

.github/workflows/cmake.yml

@@ -0,0 +1,91 @@
+# inspired by "build GDAL library and to run test with CMake"
+# from https://github.com/OSGeo/gdal/blob/master/.github/workflows/cmake_builds.yml
+
+name: Build and test with CMake
+
+on:
+    push:
+        paths-ignore:
+            - 'doc/**'
+        branches-ignore:
+            - 'backport**'
+    pull_request:
+        paths-ignore:
+            - 'doc/**'
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.ref }}
+  cancel-in-progress: true
+
+env:
+  CMAKE_UNITY_BUILD: OFF
+
+permissions:
+  contents: read  #  to fetch code (actions/checkout)
+
+jobs:
+
+  build-linux-ubuntu-20.04:
+    runs-on: ubuntu-20.04
+    env:
+      CMAKE_OPTIONS: -DPython_LOOKUP_VERSION=3.8 -DUSE_CCACHE=ON
+      cache-name: cmake-ubuntu-20.04
+    steps:
+    - name: Checkout GRASS
+      uses: actions/checkout@v3
+    - name: Setup cache
+      uses: actions/cache@v3
+      id: cache
+      with:
+          path: ${{ github.workspace }}/.ccache
+          key: ${{ runner.os }}-${{ env.cache-name }}-${{ github.base_ref }}${{ github.ref_name }}-${{ github.run_id }}
+          restore-keys: |
+            ${{ runner.os }}-${{ env.cache-name }}-${{ github.base_ref }}
+            ${{ runner.os }}-${{ env.cache-name }}
+    - name: Install CMake 3.11.4
+      run: |
+        cd ${GITHUB_WORKSPACE}
+        wget https://github.com/Kitware/CMake/releases/download/v3.11.4/cmake-3.11.4-Linux-x86_64.tar.gz
+        tar xzf cmake-3.11.4-Linux-x86_64.tar.gz
+        echo "CMAKE_DIR=$GITHUB_WORKSPACE/cmake-3.11.4-Linux-x86_64/bin" >> $GITHUB_ENV
+        echo "$GITHUB_WORKSPACE/cmake-3.11.4-Linux-x86_64/bin" >> $GITHUB_PATH
+    - run: |
+        cmake --version
+    - name: Install dependencies
+      run: |
+        sudo add-apt-repository -y ppa:ubuntugis/ubuntugis-unstable
+        sudo apt-get update
+        sudo apt-get install -y -q build-essential \
+         flex make bison gcc libgcc1 g++ ccache \
+         python3 python3-dev \
+         python3-opengl python3-wxgtk4.0 \
+         python3-dateutil libgsl-dev python3-numpy \
+         wx3.0-headers wx-common libwxgtk3.0-gtk3-dev \
+         libwxbase3.0-dev libbz2-dev zlib1g-dev gettext \
+         libtiff5-dev libpnglite-dev libcairo2 libcairo2-dev \
+         sqlite3 libsqlite3-dev \
+         libpq-dev libreadline6-dev libfreetype6-dev \
+         libfftw3-3 libfftw3-dev \
+         libboost-thread-dev libboost-program-options-dev libpdal-dev\
+         subversion libzstd-dev checkinstall \
+         libglu1-mesa-dev libxmu-dev \
+         ghostscript wget -y make ccache g++ 
+        sudo apt-get update -y
+    - name: Configure ccache
+      run: |
+          echo CCACHE_BASEDIR=$PWD >> ${GITHUB_ENV}
+          echo CCACHE_DIR=$PWD/.ccache >> ${GITHUB_ENV}
+          echo CCACHE_MAXSIZE=250M >> ${GITHUB_ENV}
+          ccache -z
+      working-directory: ${{ github.workspace }}
+    - name: Configure
+      run: |
+        mkdir build
+        cmake ${CMAKE_OPTIONS} -S $GITHUB_WORKSPACE -B $GITHUB_WORKSPACE/build
+    - name: Build
+      run: |
+        cd $GITHUB_WORKSPACE/build
+        cmake --build . -j$(nproc)
+    - name: ccache statistics
+      run: ccache -s
+

.github/workflows/python-code-quality.yml

@@ -109,7 +109,7 @@ jobs:
           export PYTHONPATH=`grass --config python_path`:$PYTHONPATH
           export LD_LIBRARY_PATH=$HOME/install/grass84/lib:$LD_LIBRARY_PATH
           cd gui/wxpython
-          pylint --persistent=no --py-version=${{ matrix.min-python-version }} --jobs=$(nproc) *
+          pylint --persistent=no --py-version=${{ matrix.min-python-version }} --jobs=$(nproc) --ignore=CMakeLists.txt *
 
       - name: Run Pylint on other files using pytest
         run: |

.gitignore

@@ -6,6 +6,8 @@ OBJ.*
 locale/scriptstrings/*
 bin.*/*
 dist.*/*
+.vs/*
+CMakeSettings.json
 config.log
 config.status*
 error.log
@@ -49,3 +51,6 @@ test_keyvalue_result.txt
 
 # ignore paths generated by helper tools
 node_modules
+
+# ignore cmake build directory
+build

CMakeLists.txt

@@ -0,0 +1,245 @@
+# AUTHOR(S): Rashad Kanavath <rashad km gmail>
+# PURPOSE: 	 GRASS GIS root that adds options to activate/deactivate 3rd party libraries
+# COPYRIGHT: (C) 2020-2022 by the GRASS Development Team
+#   	    	 This program is free software under the GPL (>=v2)
+#   	    	 Read the file COPYING that comes with GRASS for details.
+
+cmake_minimum_required(VERSION 3.11)
+set(CMAKE_DISABLE_IN_SOURCE_BUILD ON)
+
+#if(DEFINED ENV{VCPKG_DEFAULT_TRIPLET} AND NOT DEFINED VCPKG_TARGET_TRIPLET)
+#  set(VCPKG_TARGET_TRIPLET "$ENV{VCPKG_DEFAULT_TRIPLET}" CACHE STRING "")
+#endif()
+
+project(GRASSGIS)
+
+set(BUILD_SHARED_LIBS ON)
+#message(FATAL_ERROR "VCPKG_TARGET_TRIPLET=${VCPKG_TARGET_TRIPLET}")
+if(MSVC)
+  if(BUILD_SHARED_LIBS)
+    set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS TRUE)
+  endif()
+
+  set_property(GLOBAL PROPERTY USE_FOLDERS ON)
+endif()
+
+set(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake/find_scripts;${CMAKE_SOURCE_DIR}/cmake/modules;${CMAKE_MODULE_PATH}")
+
+set(default_option_enabled ON)
+if(WIN32)
+  set(default_option_enabled OFF)
+endif()
+
+# Configure CCache if available
+if(NOT MSVC)
+  option(USE_CCACHE "Use ccache" ON)
+  if (USE_CCACHE)
+    find_program(CCACHE_FOUND ccache)
+    if(CCACHE_FOUND)
+        set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ccache)
+        set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK ccache)
+        message(STATUS "ccache found")
+    endif(CCACHE_FOUND)
+  endif(USE_CCACHE)
+endif(NOT MSVC)
+
+if(USE_ALTERNATE_LINKER)
+  include("cmake/modules/linker.cmake")
+endif()
+
+if(CMAKE_BUILD_TYPE)
+set( grass_build_type "${CMAKE_BUILD_TYPE}" )
+string( TOLOWER "${grass_build_type}" grass_build_type_lc )
+set(find_library_suffix "_RELEASE")
+if( grass_build_type_lc STREQUAL "debug" )
+set(find_library_suffix "_DEBUG")
+endif()
+else()
+set(find_library_suffix "")
+endif()
+
+option(WITH_CAIRO "Build with cairo support ." ON)
+option(WITH_X11 "Build with X11 support ." ${default_option_enabled})
+option(WITH_OPENGL "Build with opengl support ." ON)
+option(WITH_SQLITE "enable sqlite support" ON)
+option(WITH_POSTGRES "enable postgres support" ON)
+option(WITH_NLS "enable nls support" ${default_option_enabled})
+option(WITH_BZLIB "enable bzlib support" ON)
+option(WITH_BLAS "enable blas support" ON)
+option(WITH_LAPACK "enable lapack support" ON)
+option(WITH_LIBLAS "enable libLAS support" OFF)
+option(WITH_OPENDWG "enable v.in.dwg" OFF)
+
+option(WITH_PYTHON "Build python bindings" ON)
+option(WITH_LARGEFILES "enable largefile support" ${default_option_enabled})
+option(WITH_DOCS "Build documentation" ON)
+if(APPLE)
+  if(POLICY CMP0042)
+    cmake_policy(SET CMP0042 NEW)
+  endif()
+  set(CMAKE_MACOSX_RPATH TRUE)
+endif()
+
+set(CMAKE_SKIP_BUILD_RPATH  FALSE)
+set(CMAKE_BUILD_WITH_INSTALL_RPATH FALSE)
+set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib")
+set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
+list(FIND CMAKE_PLATFORM_IMPLICIT_LINK_DIRECTORIES "${CMAKE_INSTALL_PREFIX}/lib" isSystemDir)
+if("${isSystemDir}" STREQUAL "-1")
+  set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib")
+endif("${isSystemDir}" STREQUAL "-1")
+
+include(get_host_arch)
+get_host_arch(BUILD_ARCH)
+
+include(get_versions)
+get_versions("include/VERSION"
+  GRASS_VERSION_MAJOR
+  GRASS_VERSION_MINOR
+  GRASS_VERSION_RELEASE
+  GRASS_VERSION_DATE)
+
+set(GRASS_VERSION_NUMBER ${GRASS_VERSION_MAJOR}.${GRASS_VERSION_MINOR}.${GRASS_VERSION_RELEASE})
+message(STATUS "GRASS_VERSION_NUMBER  =  '${GRASS_VERSION_NUMBER}'")
+set(GRASS_VERSION_UPDATE_PKG "0.2")
+
+include(set_compiler_flags)
+set_compiler_flags()
+
+include(repo_status)
+repo_status("${CMAKE_CURRENT_LIST_DIR}" GRASS_VERSION_GIT)
+
+enable_testing()
+
+# Setup build locations.
+if(NOT CMAKE_RUNTIME_OUTPUT_DIRECTORY)
+  set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
+endif()
+if(NOT CMAKE_LIBRARY_OUTPUT_DIRECTORY)
+  set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
+endif()
+if(NOT CMAKE_ARCHIVE_OUTPUT_DIRECTORY)
+  set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
+endif()
+
+include(build_module)
+include(build_program)
+include(build_program_in_subdir)
+include(build_library_in_subdir)
+include(copy_python_files_in_subdir)
+include(build_script_in_subdir)
+include(build_gui_in_subdir)
+include(check_target)
+
+add_subdirectory(thirdparty)
+set(MKHTML_PY ${CMAKE_BINARY_DIR}/utils/mkhtml.py)
+
+set(GISBASE ${CMAKE_BINARY_DIR}/gisbase)
+file(TO_NATIVE_PATH "${GISBASE}" GISBASE_NATIVE)
+file(TO_NATIVE_PATH "${CMAKE_BINARY_DIR}/bin" BINARY_DIR)
+file(TO_NATIVE_PATH "${CMAKE_BINARY_DIR}/lib" LIB_DIR)
+file(TO_NATIVE_PATH "${CMAKE_SOURCE_DIR}" MODULE_TOPDIR)
+file(TO_NATIVE_PATH "${GISBASE}/scripts" SCRIPTS_DIR)
+file(TO_NATIVE_PATH "${GISBASE}/etc/config/rc" GISRC)
+file(TO_NATIVE_PATH "${GISBASE}/etc/python" ETC_PYTHON_DIR)
+file(TO_NATIVE_PATH "${GISBASE}/gui/wxpython" GUI_WXPYTHON_DIR)
+if(WIN32)
+set(sep "\;")
+set(env_path "")
+else()
+set(sep ":")
+set(env_path ":$ENV{PATH}")
+endif()
+
+
+set(grass_env_command ${CMAKE_COMMAND} -E env
+	"PATH=${BINARY_DIR}${sep}${SCRIPTS_DIR}${env_path}"
+	"PYTHONPATH=${ETC_PYTHON_DIR}${sep}${GUI_WXPYTHON_DIR}${sep}$ENV{PYTHONPATH}"
+	"LD_LIBRARY_PATH=${LIB_DIR}${sep}$ENV{LD_LIBRARY_PATH}"
+	"GISBASE=${GISBASE_NATIVE}"
+	"GISRC=${GISRC}"
+	"LC_ALL=C"
+	"LANG=C"
+	"LANGUAGE=C"
+	"MODULE_TOPDIR=${MODULE_TOPDIR}"
+    "VERSION_NUMBER=\"${GRASS_VERSION_NUMBER}\""
+    "VERSION_DATE=\"${GRASS_VERSION_DATE}\"")
+
+
+
+set(NO_HTML_DESCR_TARGETS "g.parser;ximgview;test.raster3d.lib")
+add_subdirectory(include)
+
+include_directories("${CMAKE_BINARY_DIR}/include")
+include_directories(${CMAKE_BINARY_DIR}/include/grass)
+if(MSVC)
+	include_directories("${CMAKE_SOURCE_DIR}/msvc")
+endif()
+
+execute_process(
+  COMMAND ${CMAKE_COMMAND} -E echo "Creating directories in ${GISBASE}"
+  COMMAND ${CMAKE_COMMAND} -E make_directory ${GISBASE}/bin/
+  COMMAND ${CMAKE_COMMAND} -E make_directory ${GISBASE}/scripts/
+  COMMAND ${CMAKE_COMMAND} -E make_directory ${GISBASE}/demolocation/
+  COMMAND ${CMAKE_COMMAND} -E make_directory ${GISBASE}/etc/config/
+  COMMAND ${CMAKE_COMMAND} -E make_directory ${GISBASE}/driver/db/
+  COMMAND ${CMAKE_COMMAND} -E make_directory ${GISBASE}/utils/
+  COMMAND ${CMAKE_COMMAND} -E make_directory ${GISBASE}/lib/
+  COMMAND ${CMAKE_COMMAND} -E make_directory ${GISBASE}/python/
+  COMMAND ${CMAKE_COMMAND} -E make_directory ${GISBASE}/etc/lister/
+  COMMAND ${CMAKE_COMMAND} -E make_directory ${GISBASE}/etc/python/grass/lib
+  COMMAND ${CMAKE_COMMAND} -E make_directory ${GISBASE}/gui/wxpython/xml/
+  COMMAND ${CMAKE_COMMAND} -E make_directory ${GISBASE}/gui/icons/
+  COMMAND ${CMAKE_COMMAND} -E make_directory ${GISBASE}/gui/images/
+  COMMAND ${CMAKE_COMMAND} -E make_directory ${GISBASE}/docs/html/
+  )
+
+add_subdirectory(lib)
+add_subdirectory(utils)
+set(modules_list)
+
+
+set(ALL_SUBDIRS
+  general
+  db
+  display
+  imagery
+  misc
+  raster
+  raster3d
+  scripts
+  vector
+  temporal
+  ps
+)
+
+foreach(d ${ALL_SUBDIRS})
+  add_subdirectory(${d})
+endforeach()
+add_custom_target(ALL_MODULES
+	COMMAND ${CMAKE_COMMAND} -E echo "Building all modules"
+	DEPENDS ${modules_list})
+
+###message(FATAL_ERROR "modules_list=${modules_list}")
+
+if(WITH_PYTHON)
+ add_subdirectory(gui)
+endif()
+
+add_subdirectory(python)
+
+if(WITH_DOCS)
+  add_subdirectory(doc)
+  add_subdirectory(man)
+endif() # WITH_DOCS
+
+
+####add_subdirectory(locale)
+
+# TODO: To be discussed
+# add_subdirectory(testsuite)
+# add_subdirectory(macosx)
+
+if(WITH_X11)
+  build_program_in_subdir(visualization/ximgview DEPENDS grass_gis X11)
+endif()

cmake/copy_g_gui_module.cmake

@@ -0,0 +1,35 @@
+# AUTHOR(S): Rashad Kanavath <rashad km gmail>
+# PURPOSE:  Copy g.gui script plus .bat file if on windows
+# COPYRIGHT: (C) 2020 by the GRASS Development Team
+#   	    	 This program is free software under the GPL (>=v2)
+#   	    	 Read the file COPYING that comes with GRASS for details.
+# -DSOURCE_DIR
+# -DGISBASE
+# -DG_NAME
+# -DSRC_SCRIPT_FILE
+# -DBINARY_DIR
+
+set(SCRIPT_EXT "")
+if(WIN32)
+  set(SCRIPT_EXT ".py")
+endif()
+
+if(WIN32)
+  set(PGM_NAME ${G_NAME})
+  configure_file(
+    ${SOURCE_DIR}/cmake/windows_launch.bat.in
+    ${GISBASE}/scripts/${G_NAME}.bat @ONLY)
+endif(WIN32)
+
+set(TMP_SCRIPT_FILE ${BINARY_DIR}/CMakeFiles/${G_NAME}${SCRIPT_EXT})
+configure_file(${SRC_SCRIPT_FILE} ${TMP_SCRIPT_FILE} COPYONLY)
+file(
+  COPY ${TMP_SCRIPT_FILE}
+  DESTINATION ${GISBASE}/scripts/
+  FILE_PERMISSIONS
+  OWNER_READ OWNER_WRITE OWNER_EXECUTE
+  GROUP_READ GROUP_EXECUTE
+  WORLD_READ WORLD_EXECUTE)
+
+
+file(REMOVE ${TMP_SCRIPT_FILE})