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CMakeLists.txt
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CMakeLists.txt
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# ######################################################################## #
# File: /CMakeLists.txt
#
# Purpose: Top-level CMake lists file for shwild
#
# Created: 21st December 2023
# Updated: 11th January 2024
#
# ######################################################################## #
# ##########################################################
# CMake
cmake_minimum_required(VERSION 3.20 FATAL_ERROR)
# require out-of-source builds
file(TO_CMAKE_PATH "${CMAKE_CURRENT_BINARY_DIR}/CMakeLists.txt" LOC_PATH)
if(EXISTS "${LOC_PATH}")
message(FATAL_ERROR "You cannot build in a source directory (or any directory with a CMakeLists.txt file). Please make a build subdirectory. Feel free to remove CMakeCache.txt and CMakeFiles.")
endif()
# directory for CMake specific extensions and source files.
set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake" ${CMAKE_MODULE_PATH})
# ##########################################################
# project
project(shwild
DESCRIPTION "shwild is a small, standalone library, implemented in C++ with a C and a C++ API, that provides shell-compatible wildcard matching."
HOMEPAGE_URL "https://github.com/synesissoftware/shwild"
LANGUAGES C CXX
)
string(TOLOWER ${PROJECT_NAME} PROJECT_NAME_LOWER)
string(TOUPPER ${PROJECT_NAME} PROJECT_NAME_UPPER)
# handle version number
set(RX_PROJ_TAG "${PROJECT_NAME_UPPER}")
set(RX_WS "[ \t]")
file(READ "${CMAKE_SOURCE_DIR}/include/${PROJECT_NAME_LOWER}/${PROJECT_NAME_LOWER}.h" _header_file)
string(REGEX MATCH "#${RX_WS}*define${RX_WS}+_?${RX_PROJ_TAG}_VER_MAJOR${RX_WS}+([0-9]+)" MAJOR_DUMMY ${_header_file})
set(_VERSION_MAJOR ${CMAKE_MATCH_1})
string(REGEX MATCH "#${RX_WS}*define${RX_WS}+_?${RX_PROJ_TAG}_VER_MINOR${RX_WS}+([0-9]+)" MINOR_DUMMY ${_header_file})
set(_VERSION_MINOR ${CMAKE_MATCH_1})
string(REGEX MATCH "#${RX_WS}*define${RX_WS}+_?${RX_PROJ_TAG}_VER_REVISION${RX_WS}+([0-9]+)" PATCH_DUMMY ${_header_file})
set(_VERSION_PATCH ${CMAKE_MATCH_1})
# set project version number here
set(PROJECT_VERSION_MAJOR ${_VERSION_MAJOR})
set(PROJECT_VERSION_MINOR ${_VERSION_MINOR})
set(PROJECT_VERSION_PATCH ${_VERSION_PATCH})
set(PROJECT_VERSION "${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}.${PROJECT_VERSION_PATCH}")
message(NOTICE "Generating CMake build scripts for ${PROJECT_NAME} ${PROJECT_VERSION}")
# adhere strictly to C and C++ standards plus extensions. These are actually
# useless since we do not compile anything; they merely state our intention.
set(CMAKE_C_STANDARD 99)
set(CMAKE_C_STANDARD_REQUIRED ON)
set(CMAKE_C_EXTENSIONS ON) # GNU extensions and POSIX standard
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS ON)
# ##########################################################
# install
# provides install directory variables as defined by the GNU Coding Standards.
include(GNUInstallDirs)
# ##########################################################
# STLSoft
add_definitions(-DSHWILD_NO_STLSOFT)
# ##########################################################
# build
# load/default `CMAKE_BUILD_TYPE`
include(BuildType)
add_subdirectory(src)
# ##########################################################
# test
include(CTest)
if(BUILD_TESTING)
add_subdirectory(test)
endif()
# ##########################################################
# examples
option(BUILD_EXAMPLES "Build examples" ON)
if(BUILD_EXAMPLES)
add_subdirectory(examples)
endif()
# ##########################################################
# install
install(
DIRECTORY ${CMAKE_SOURCE_DIR}/include/shwild/internal
DESTINATION include/shwild/
FILES_MATCHING
PATTERN "*.h*"
)
# ##########################################################
# export
include(CMakePackageConfigHelpers)
string(TOLOWER ${PROJECT_NAME} EXPORT_NAME)
configure_package_config_file(
${CMAKE_CURRENT_SOURCE_DIR}/cmake/${EXPORT_NAME}-config.cmake.in
${CMAKE_CURRENT_BINARY_DIR}/cmake/${EXPORT_NAME}-config.cmake
INSTALL_DESTINATION ${LIB_INSTALL_DIR}/${EXPORT_NAME}/cmake
)
write_basic_package_version_file(
${CMAKE_CURRENT_BINARY_DIR}/cmake/${EXPORT_NAME}-config-version.cmake
VERSION ${PROJECT_VERSION}
COMPATIBILITY AnyNewerVersion
)
export(EXPORT project-targets
FILE "${CMAKE_CURRENT_BINARY_DIR}/cmake/${EXPORT_NAME}-targets.cmake"
NAMESPACE "${PROJECT_NAME}::"
)
install(EXPORT project-targets
NAMESPACE "${PROJECT_NAME}::"
FILE "${EXPORT_NAME}-targets.cmake"
DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/${EXPORT_NAME}
)
install( FILES
"${CMAKE_CURRENT_BINARY_DIR}/cmake/${EXPORT_NAME}-config.cmake"
"${CMAKE_CURRENT_BINARY_DIR}/cmake/${EXPORT_NAME}-config-version.cmake"
DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/${EXPORT_NAME}
)
# ############################## end of file ############################# #