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# Note: we need >= v3.23 in order to make use of file sets for header installation
cmake_minimum_required(VERSION 3.23...3.31 FATAL_ERROR)
set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/find_modules")
include(soci_parse_version)
soci_parse_version(
ROOT_DIR "${CMAKE_CURRENT_SOURCE_DIR}"
OUTPUT_VARIABLE SOCI_VERSION
)
project(SOCI
VERSION ${SOCI_VERSION}
DESCRIPTION "C++ database access library"
HOMEPAGE_URL "https://soci.sourceforge.net/"
LANGUAGES C CXX
)
include(soci_utils)
if (NOT DEFINED CMAKE_CXX_STANDARD OR CMAKE_CXX_STANDARD LESS 14)
set(CMAKE_CXX_STANDARD 14)
endif()
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
set(CMAKE_POSITION_INDEPENDENT_CODE ON)
set(CMAKE_CXX_VISIBILITY_PRESET hidden)
include(CMakeDependentOption)
include(CheckIPOSupported)
check_ipo_supported(RESULT LTO_AVAILABLE)
if (SOCI_STATIC)
set(SHARED_DEFAULT OFF)
elseif(DEFINED BUILD_SHARED_LIBS)
set(SHARED_DEFAULT ${BUILD_SHARED_LIBS})
else()
set(SHARED_DEFAULT ON)
endif()
option(SOCI_SHARED "Enable building SOCI as a shared library" ${SHARED_DEFAULT})
option(SOCI_TESTS "Enable building SOCI test cases" ${PROJECT_IS_TOP_LEVEL})
option(WITH_BOOST "Enable Boost support" ON)
cmake_dependent_option(SOCI_LTO "Enable link time optimizations in release builds" ON "LTO_AVAILABLE" OFF)
# Configure LTO for anything but Debug builds (if enabled in the first place)
set(CMAKE_INTERPROCEDURAL_OPTIMIZATION ${SOCI_LTO})
set(CMAKE_INTERPROCEDURAL_OPTIMIZATION_DEBUG OFF)
if (NOT APPLE)
# This makes runtime loaders look for library dependencies
# in the same directory as the library is located in.
# For details see Craig Scott's CppCon 2019 talk
# Note: The variable's content is set to $ORIGIN literally,
# this is NOT a butchered cmake variable expansion
set(CMAKE_INSTALL_RPATH "$ORIGIN")
endif()
if (NOT DEFINED CMAKE_RUNTIME_OUTPUT_DIRECTORY)
# Ensure that build artifacts are easy to find. And on Windows this
# guarantees that the built DLLs end up next to applications
# linking to them as otherwise they won't be found.
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
if (NOT PROJECT_IS_TOP_LEVEL)
# If the embedding project does not define these variables, this can lead to
# inconsistencies which can cause issues on Windows when e.g. the embedding
# project has an executable that links to a SOCI DLL which will be put into
# a different directory which will lead to the exe not finding the DLL.
message(WARNING "Setting CMAKE_{LIBRARY, ARCHIVE, RUNTIME}_DIRECTORY variables which should have done by the embedding cmake project")
endif()
endif()
if (SOCI_SHARED)
set(SOCI_LIB_TYPE "SHARED")
else()
set(SOCI_LIB_TYPE "STATIC")
endif()
# When using shared libraries, use version-dependent suffix in their names.
if (SOCI_SHARED)
if (WIN32)
# Use the full version number as ABI version on Windows and define
# ABI_SUFFIX which is used to add it to the DLL name manually because this
# is just a convention and so is not done automatically by CMake.
set(ABI_VERSION "${PROJECT_VERSION_MAJOR}_${PROJECT_VERSION_MINOR}")
set(ABI_SUFFIX "_${ABI_VERSION}")
elseif(UNIX)
# Use same value as for SOVERSION, which is only the major version (and is
# used automatically to construct the shared libraries names, so there is
# no need for ABI_SUFFIX).
set(ABI_VERSION "${PROJECT_VERSION_MAJOR}")
endif()
endif()
include(soci_compiler_options)
include(soci_install_dirs)
add_subdirectory(src)
include(soci_compat)
if (SOCI_TESTS)
include(CTest)
enable_testing()
add_subdirectory(tests)
endif()
# Packaging
include(CMakePackageConfigHelpers)
configure_package_config_file("soci-config.cmake.in" "${CMAKE_CURRENT_BINARY_DIR}/soci-config.cmake"
INSTALL_DESTINATION "${SOCI_INSTALL_CMAKEDIR}"
)
write_basic_package_version_file(soci-config-version.cmake
VERSION ${PROJECT_VERSION}
COMPATIBILITY SameMajorVersion
)
install(
FILES
"${CMAKE_CURRENT_BINARY_DIR}/soci-config.cmake"
"${CMAKE_CURRENT_BINARY_DIR}/soci-config-version.cmake"
DESTINATION "${SOCI_INSTALL_CMAKEDIR}"
)
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