blob: e13bcdd27cbf040712e4a66e2a4ac879b9b68527 [file] [log] [blame]
cmake_minimum_required(VERSION 3.0)
project(double-conversion VERSION 3.2.0)
if(BUILD_SHARED_LIBS AND MSVC)
set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON)
endif()
set(headers
double-conversion/bignum.h
double-conversion/cached-powers.h
double-conversion/diy-fp.h
double-conversion/double-conversion.h
double-conversion/double-to-string.h
double-conversion/fast-dtoa.h
double-conversion/fixed-dtoa.h
double-conversion/ieee.h
double-conversion/string-to-double.h
double-conversion/strtod.h
double-conversion/utils.h)
add_library(double-conversion
double-conversion/bignum.cc
double-conversion/bignum-dtoa.cc
double-conversion/cached-powers.cc
double-conversion/double-to-string.cc
double-conversion/fast-dtoa.cc
double-conversion/fixed-dtoa.cc
double-conversion/string-to-double.cc
double-conversion/strtod.cc
${headers})
target_include_directories(
double-conversion PUBLIC
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>)
# pick a version #
set_target_properties(double-conversion PROPERTIES VERSION ${PROJECT_VERSION} SOVERSION 3)
# set up testing if requested
option(BUILD_TESTING "Build test programs" OFF)
if(BUILD_TESTING)
enable_testing()
include(CTest)
add_subdirectory(test)
endif()
####
# Installation (https://github.com/forexample/package-example)
include(GNUInstallDirs)
# Layout. This works for all platforms:
# * <prefix>/lib/cmake/<PROJECT-NAME>
# * <prefix>/lib/
# * <prefix>/include/
set(config_install_dir "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}")
set(generated_dir "${CMAKE_CURRENT_BINARY_DIR}/generated")
# Configuration
set(version_config "${generated_dir}/${PROJECT_NAME}ConfigVersion.cmake")
set(project_config "${generated_dir}/${PROJECT_NAME}Config.cmake")
set(targets_export_name "${PROJECT_NAME}Targets")
set(namespace "${PROJECT_NAME}::")
# Include module with function 'write_basic_package_version_file'
include(CMakePackageConfigHelpers)
# Configure '<PROJECT-NAME>ConfigVersion.cmake'
# Note: PROJECT_VERSION is used as a VERSION
write_basic_package_version_file(
"${version_config}" COMPATIBILITY SameMajorVersion
)
# Configure '<PROJECT-NAME>Config.cmake'
# Use variables:
# * targets_export_name
# * PROJECT_NAME
configure_package_config_file(
"cmake/Config.cmake.in"
"${project_config}"
INSTALL_DESTINATION "${config_install_dir}"
)
# Targets:
# * <prefix>/lib/libdouble-conversion.a
# * header location after install: <prefix>/include/double-conversion/*.h
# * headers can be included by C++ code `#include <double-conversion/*.h>`
install(
TARGETS double-conversion
EXPORT "${targets_export_name}"
LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
INCLUDES DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
)
# Headers:
# * double-conversion/*.h -> <prefix>/include/double-conversion/*.h
install(
FILES ${headers}
DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/double-conversion"
)
# Config
# * <prefix>/lib/cmake/double-conversion/double-conversionConfig.cmake
# * <prefix>/lib/cmake/double-conversion/double-conversionConfigVersion.cmake
install(
FILES "${project_config}" "${version_config}"
DESTINATION "${config_install_dir}"
)
# Config
# * <prefix>/lib/cmake/double-conversion/double-conversionTargets.cmake
install(
EXPORT "${targets_export_name}"
NAMESPACE "${namespace}"
DESTINATION "${config_install_dir}"
)