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797 lines
28 KiB
CMake
797 lines
28 KiB
CMake
# CMake configuration file of gflags project
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#
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# This CMakeLists.txt defines some gflags specific configuration variables using
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# the "gflags_define" utility macro. The default values of these variables can
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# be overridden either on the CMake command-line using the -D option of the
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# cmake command or in a super-project which includes the gflags source tree by
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# setting the GFLAGS_<varname> CMake variables before adding the gflags source
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# directory via CMake's "add_subdirectory" command. Only when the non-cached
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# variable GFLAGS_IS_SUBPROJECT has a value equivalent to FALSE, these
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# configuration variables are added to the CMake cache so they can be edited in
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# the CMake GUI. By default, GFLAGS_IS_SUBPROJECT is set to TRUE when the
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# CMAKE_SOURCE_DIR is not identical to the directory of this CMakeLists.txt
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# file, i.e., the top-level directory of the gflags project source tree.
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#
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# When this project is a subproject (GFLAGS_IS_SUBPROJECT is TRUE), the default
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# settings are such that only the static single-threaded library is built
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# without installation of the gflags files. The "gflags::gflags" target is in
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# this case an ALIAS library target for the "gflags_nothreads_static" library
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# target. Targets which depend on the gflags library should link to the
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# "gflags::gflags" library target.
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#
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# Example CMakeLists.txt of user project which requires separate gflags
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# installation: cmake_minimum_required(VERSION 2.8.12 FATAL_ERROR)
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#
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# project(Foo)
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#
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# find_package(gflags REQUIRED)
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#
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# add_executable(foo src/foo.cc) target_link_libraries(foo gflags::gflags)
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#
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# Example CMakeLists.txt of user project which requires separate single-threaded
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# static gflags installation: cmake_minimum_required(VERSION 2.8.12 FATAL_ERROR)
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#
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# project(Foo)
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#
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# find_package(gflags COMPONENTS nothreads_static)
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#
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# add_executable(foo src/foo.cc) target_link_libraries(foo gflags::gflags)
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#
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# Example CMakeLists.txt of super-project which contains gflags source tree:
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# cmake_minimum_required(VERSION 2.8.12 FATAL_ERROR)
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#
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# project(Foo)
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#
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# add_subdirectory(gflags)
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#
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# add_executable(foo src/foo.cc) target_link_libraries(foo gflags::gflags)
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#
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# Variables to configure the source files: - GFLAGS_IS_A_DLL - GFLAGS_NAMESPACE
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# - GFLAGS_ATTRIBUTE_UNUSED - GFLAGS_INTTYPES_FORMAT
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#
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# Variables to configure the build: - GFLAGS_SOVERSION -
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# GFLAGS_BUILD_SHARED_LIBS - GFLAGS_BUILD_STATIC_LIBS - GFLAGS_BUILD_gflags_LIB
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# - GFLAGS_BUILD_gflags_nothreads_LIB - GFLAGS_BUILD_TESTING -
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# GFLAGS_BUILD_PACKAGING
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#
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# Variables to configure the installation: - GFLAGS_INCLUDE_DIR -
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# GFLAGS_LIBRARY_INSTALL_DIR or LIB_INSTALL_DIR or LIB_SUFFIX -
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# GFLAGS_INSTALL_HEADERS - GFLAGS_INSTALL_SHARED_LIBS -
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# GFLAGS_INSTALL_STATIC_LIBS
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cmake_minimum_required(VERSION 3.0.2 FATAL_ERROR)
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if(POLICY CMP0042)
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cmake_policy(SET CMP0042 NEW)
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endif()
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if(POLICY CMP0048)
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cmake_policy(SET CMP0048 NEW)
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endif()
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# ----------------------------------------------------------------------------
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# includes
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include("${CMAKE_CURRENT_SOURCE_DIR}/cmake/utils.cmake")
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# ----------------------------------------------------------------------------
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# package information
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set(PACKAGE_NAME "gflags")
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set(PACKAGE_VERSION "2.2.2")
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set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}")
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set(PACKAGE_TARNAME "${PACKAGE_NAME}-${PACKAGE_VERSION}")
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set(PACKAGE_BUGREPORT "https://github.com/gflags/gflags/issues")
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set(PACKAGE_DESCRIPTION
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"A commandline flags library that allows for distributed flags.")
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set(PACKAGE_URL "http://gflags.github.io/gflags")
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project(
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${PACKAGE_NAME}
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VERSION ${PACKAGE_VERSION}
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LANGUAGES CXX)
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if(CMAKE_VERSION VERSION_LESS 3.4)
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# C language still needed because the following required CMake modules (or
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# their dependencies, respectively) are not correctly handling the case where
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# only CXX is enabled - CheckTypeSize.cmake (fixed in CMake 3.1, cf.
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# https://cmake.org/Bug/view.php?id=14056) - FindThreads.cmake (fixed in
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# CMake 3.4, cf. https://cmake.org/Bug/view.php?id=14905)
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enable_language(C)
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endif()
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version_numbers(${PACKAGE_VERSION} PACKAGE_VERSION_MAJOR PACKAGE_VERSION_MINOR
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PACKAGE_VERSION_PATCH)
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# shared library ABI version number, can be overridden by package maintainers
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# using -DGFLAGS_SOVERSION=XXX on the command-line
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if(GFLAGS_SOVERSION)
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set(PACKAGE_SOVERSION "${GFLAGS_SOVERSION}")
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else()
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# TODO: Change default SOVERSION back to PACKAGE_VERSION_MAJOR with the next
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# increase of major version number (i.e., 3.0.0 -> SOVERSION 3) The
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# <major>.<minor> SOVERSION should be used for the 2.x releases versions only
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# which temporarily broke the API by changing the default namespace from
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# "google" to "gflags".
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set(PACKAGE_SOVERSION "${PACKAGE_VERSION_MAJOR}.${PACKAGE_VERSION_MINOR}")
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endif()
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# when gflags is included as subproject (e.g., as Git submodule/subtree) in the
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# source tree of a project that uses it, no variables should be added to the
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# CMake cache; users may set the non-cached variable GFLAGS_IS_SUBPROJECT before
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# add_subdirectory(gflags)
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if(NOT DEFINED GFLAGS_IS_SUBPROJECT)
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if("^${CMAKE_SOURCE_DIR}$" STREQUAL "^${PROJECT_SOURCE_DIR}$")
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set(GFLAGS_IS_SUBPROJECT FALSE)
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else()
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set(GFLAGS_IS_SUBPROJECT TRUE)
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endif()
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endif()
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# prefix for package variables in CMake configuration file
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string(TOUPPER "${PACKAGE_NAME}" PACKAGE_PREFIX)
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# convert file path on Windows with back slashes to path with forward slashes
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# otherwise this causes an issue with the cmake_install.cmake script
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file(TO_CMAKE_PATH "${CMAKE_INSTALL_PREFIX}" CMAKE_INSTALL_PREFIX)
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# ----------------------------------------------------------------------------
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# options
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# maintain binary backwards compatibility with gflags library version <= 2.0,
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# but at the same time enable the use of the preferred new "gflags" namespace
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gflags_define(
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STRING NAMESPACE
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"Name(s) of library namespace (separate multiple options by semicolon)"
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"google;${PACKAGE_NAME}" "${PACKAGE_NAME}")
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gflags_property(NAMESPACE ADVANCED TRUE)
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set(GFLAGS_NAMESPACE_SECONDARY "${NAMESPACE}")
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list(REMOVE_DUPLICATES GFLAGS_NAMESPACE_SECONDARY)
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if(NOT GFLAGS_NAMESPACE_SECONDARY)
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message(
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FATAL_ERROR
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"GFLAGS_NAMESPACE must be set to one (or more) valid C++ namespace identifier(s separated by semicolon \";\")."
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)
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endif()
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foreach(ns IN LISTS GFLAGS_NAMESPACE_SECONDARY)
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if(NOT ns MATCHES "^[a-zA-Z][a-zA-Z0-9_]*$")
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message(
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FATAL_ERROR
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"GFLAGS_NAMESPACE contains invalid namespace identifier: ${ns}")
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endif()
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endforeach()
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list(GET GFLAGS_NAMESPACE_SECONDARY 0 GFLAGS_NAMESPACE)
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list(REMOVE_AT GFLAGS_NAMESPACE_SECONDARY 0)
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# cached build options when gflags is not a subproject, otherwise non-cached
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# CMake variables usage: gflags_define(BOOL <name> <doc> <default> [<subproject
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# default>])
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gflags_define(BOOL BUILD_SHARED_LIBS "Request build of shared libraries." OFF
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OFF)
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gflags_define(
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BOOL BUILD_STATIC_LIBS
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"Request build of static libraries (default if BUILD_SHARED_LIBS is OFF)."
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OFF ON)
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gflags_define(BOOL BUILD_gflags_LIB
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"Request build of the multi-threaded gflags library." ON ON)
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gflags_define(BOOL BUILD_gflags_nothreads_LIB
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"Request build of the single-threaded gflags library." OFF OFF)
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gflags_define(BOOL BUILD_PACKAGING
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"Enable build of distribution packages using CPack." OFF OFF)
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gflags_define(
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BOOL BUILD_TESTING
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"Enable build of the unit tests and their execution using CTest." OFF OFF)
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gflags_define(
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BOOL INSTALL_HEADERS
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"Request installation of headers and other development files." OFF OFF)
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gflags_define(BOOL INSTALL_SHARED_LIBS
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"Request installation of shared libraries." OFF OFF)
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gflags_define(BOOL INSTALL_STATIC_LIBS
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"Request installation of static libraries." OFF OFF)
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gflags_define(
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BOOL REGISTER_BUILD_DIR
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"Request entry of build directory in CMake's package registry." ON ON)
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gflags_define(
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BOOL REGISTER_INSTALL_PREFIX
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"Request entry of installed package in CMake's package registry." ON OFF)
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gflags_property(BUILD_STATIC_LIBS ADVANCED TRUE)
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gflags_property(INSTALL_HEADERS ADVANCED TRUE)
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gflags_property(INSTALL_SHARED_LIBS ADVANCED TRUE)
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gflags_property(INSTALL_STATIC_LIBS ADVANCED TRUE)
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if(NOT GFLAGS_IS_SUBPROJECT)
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foreach(varname IN ITEMS CMAKE_INSTALL_PREFIX)
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gflags_property(${varname} ADVANCED FALSE)
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endforeach()
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foreach(varname IN ITEMS CMAKE_CONFIGURATION_TYPES CMAKE_OSX_ARCHITECTURES
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CMAKE_OSX_DEPLOYMENT_TARGET CMAKE_OSX_SYSROOT)
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gflags_property(${varname} ADVANCED TRUE)
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endforeach()
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if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CXX_FLAGS)
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gflags_set(CMAKE_BUILD_TYPE Release)
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endif()
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if(CMAKE_CONFIGURATION_TYPES)
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gflags_property(CMAKE_BUILD_TYPE STRINGS "${CMAKE_CONFIGURATION_TYPES}")
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endif()
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endif() # NOT GFLAGS_IS_SUBPROJECT
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if(NOT BUILD_SHARED_LIBS AND NOT BUILD_STATIC_LIBS)
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set(BUILD_STATIC_LIBS ON)
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endif()
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if(NOT BUILD_gflags_LIB AND NOT BUILD_gflags_nothreads_LIB)
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message(
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FATAL_ERROR
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"At least one of [GFLAGS_]BUILD_gflags_LIB and [GFLAGS_]BUILD_gflags_nothreads_LIB must be ON."
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)
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endif()
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gflags_define(
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STRING
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INCLUDE_DIR
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"Name of include directory of installed header files relative to CMAKE_INSTALL_PREFIX/include/"
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"${PACKAGE_NAME}")
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gflags_property(INCLUDE_DIR ADVANCED TRUE)
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file(TO_CMAKE_PATH "${INCLUDE_DIR}" INCLUDE_DIR)
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if(IS_ABSOLUTE INCLUDE_DIR)
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message(
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FATAL_ERROR
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"[GFLAGS_]INCLUDE_DIR must be a path relative to CMAKE_INSTALL_PREFIX/include/"
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)
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endif()
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if(INCLUDE_DIR MATCHES "^\\.\\.[/\\]")
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message(
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FATAL_ERROR
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"[GFLAGS_]INCLUDE_DIR must not start with parent directory reference (../)"
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)
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endif()
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set(GFLAGS_INCLUDE_DIR "${INCLUDE_DIR}")
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# ----------------------------------------------------------------------------
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# system checks
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include(CheckTypeSize)
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include(CheckIncludeFileCXX)
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include(CheckCXXSymbolExists)
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if(WIN32 AND NOT CYGWIN)
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set(OS_WINDOWS 1)
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else()
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set(OS_WINDOWS 0)
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endif()
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if(MSVC)
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set(HAVE_SYS_TYPES_H 1)
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set(HAVE_STDDEF_H 1) # used by CheckTypeSize module
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set(HAVE_UNISTD_H 0)
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set(HAVE_SYS_STAT_H 1)
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set(HAVE_SHLWAPI_H 1)
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if(MSVC_VERSION VERSION_LESS 1600)
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check_include_file_cxx("stdint.h" HAVE_STDINT_H)
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bool_to_int(HAVE_STDINT_H) # used in #if directive
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else()
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set(HAVE_STDINT_H 1)
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endif()
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if(MSVC_VERSION VERSION_LESS 1800)
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check_include_file_cxx("inttypes.h" HAVE_INTTYPES_H)
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bool_to_int(HAVE_INTTYPES_H) # used in #if directive
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else()
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set(HAVE_INTTYPES_H 1)
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endif()
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else()
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foreach(fname IN ITEMS unistd stdint inttypes sys/types sys/stat fnmatch)
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string(TOUPPER "${fname}" FNAME)
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string(REPLACE "/" "_" FNAME "${FNAME}")
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if(NOT HAVE_${FNAME}_H)
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check_include_file_cxx("${fname}.h" HAVE_${FNAME}_H)
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endif()
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endforeach()
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if(NOT HAVE_FNMATCH_H AND OS_WINDOWS)
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check_include_file_cxx("shlwapi.h" HAVE_SHLWAPI_H)
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endif()
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# the following are used in #if directives not #ifdef
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bool_to_int(HAVE_STDINT_H)
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bool_to_int(HAVE_SYS_TYPES_H)
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bool_to_int(HAVE_INTTYPES_H)
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endif()
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gflags_define(
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STRING
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INTTYPES_FORMAT
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"Format of integer types: \"C99\" (uint32_t), \"BSD\" (u_int32_t), \"VC7\" (__int32)"
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"")
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gflags_property(INTTYPES_FORMAT STRINGS "C99;BSD;VC7")
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gflags_property(INTTYPES_FORMAT ADVANCED TRUE)
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if(NOT INTTYPES_FORMAT)
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set(TYPES uint32_t u_int32_t)
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if(MSVC)
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list(INSERT TYPES 0 __int32)
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endif()
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foreach(type IN LISTS TYPES)
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check_type_size(${type} ${type} LANGUAGE CXX)
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if(HAVE_${type})
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break()
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endif()
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endforeach()
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if(HAVE_uint32_t)
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gflags_set(INTTYPES_FORMAT C99)
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elseif(HAVE_u_int32_t)
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gflags_set(INTTYPES_FORMAT BSD)
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elseif(HAVE___int32)
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gflags_set(INTTYPES_FORMAT VC7)
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else()
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gflags_property(INTTYPES_FORMAT ADVANCED FALSE)
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message(
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FATAL_ERROR
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"Do not know how to define a 32-bit integer quantity on your system!"
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" Neither uint32_t, u_int32_t, nor __int32 seem to be available."
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" Set [GFLAGS_]INTTYPES_FORMAT to either C99, BSD, or VC7 and try again."
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)
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endif()
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endif()
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# use of special characters in strings to circumvent bug #0008226
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if("^${INTTYPES_FORMAT}$" STREQUAL "^WIN$")
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gflags_set(INTTYPES_FORMAT VC7)
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endif()
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if(NOT INTTYPES_FORMAT MATCHES "^(C99|BSD|VC7)$")
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message(
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FATAL_ERROR
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"Invalid value for [GFLAGS_]INTTYPES_FORMAT! Choose one of \"C99\", \"BSD\", or \"VC7\""
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)
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endif()
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set(GFLAGS_INTTYPES_FORMAT "${INTTYPES_FORMAT}")
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set(GFLAGS_INTTYPES_FORMAT_C99 0)
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set(GFLAGS_INTTYPES_FORMAT_BSD 0)
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set(GFLAGS_INTTYPES_FORMAT_VC7 0)
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set("GFLAGS_INTTYPES_FORMAT_${INTTYPES_FORMAT}" 1)
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if(MSVC)
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set(HAVE_strtoll 0)
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set(HAVE_strtoq 0)
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else()
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check_cxx_symbol_exists(strtoll stdlib.h HAVE_STRTOLL)
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if(NOT HAVE_STRTOLL)
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check_cxx_symbol_exists(strtoq stdlib.h HAVE_STRTOQ)
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endif()
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endif()
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if(BUILD_gflags_LIB)
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set(CMAKE_THREAD_PREFER_PTHREAD TRUE)
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find_package(Threads)
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if(Threads_FOUND AND CMAKE_USE_PTHREADS_INIT)
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set(HAVE_PTHREAD 1)
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check_type_size(pthread_rwlock_t RWLOCK LANGUAGE CXX)
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else()
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set(HAVE_PTHREAD 0)
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endif()
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if(UNIX AND NOT HAVE_PTHREAD)
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if(CMAKE_HAVE_PTHREAD_H)
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set(what "library")
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else()
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set(what ".h file")
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endif()
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message(
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FATAL_ERROR
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"Could not find pthread${what}. Check the log file"
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"\n\t${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log"
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"\nor disable the build of the multi-threaded gflags library (BUILD_gflags_LIB=OFF)."
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)
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endif()
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else()
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set(HAVE_PTHREAD 0)
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endif()
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# ----------------------------------------------------------------------------
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# source files - excluding root subdirectory and/or .in suffix
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set(PUBLIC_HDRS "gflags.h" "gflags_declare.h" "gflags_completions.h")
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|
|
|
if(GFLAGS_NAMESPACE_SECONDARY)
|
|
set(INCLUDE_GFLAGS_NS_H
|
|
"// Import gflags library symbols into alternative/deprecated namespace(s)"
|
|
)
|
|
foreach(ns IN LISTS GFLAGS_NAMESPACE_SECONDARY)
|
|
string(TOUPPER "${ns}" NS)
|
|
set(gflags_ns_h
|
|
"${PROJECT_BINARY_DIR}/include/${GFLAGS_INCLUDE_DIR}/gflags_${ns}.h")
|
|
configure_file("${PROJECT_SOURCE_DIR}/src/gflags_ns.h.in" "${gflags_ns_h}"
|
|
@ONLY)
|
|
list(APPEND PUBLIC_HDRS "${gflags_ns_h}")
|
|
set(INCLUDE_GFLAGS_NS_H
|
|
"${INCLUDE_GFLAGS_NS_H}\n#include \"gflags_${ns}.h\"")
|
|
endforeach()
|
|
else()
|
|
set(INCLUDE_GFLAGS_NS_H)
|
|
endif()
|
|
|
|
set(PRIVATE_HDRS "defines.h" "config.h" "util.h" "mutex.h")
|
|
|
|
set(GFLAGS_SRCS "gflags.cc" "gflags_reporting.cc" "gflags_completions.cc")
|
|
|
|
if(OS_WINDOWS)
|
|
list(APPEND PRIVATE_HDRS "windows_port.h")
|
|
list(APPEND GFLAGS_SRCS "windows_port.cc")
|
|
endif()
|
|
|
|
# ----------------------------------------------------------------------------
|
|
# configure source files
|
|
if(NOT DEFINED GFLAGS_ATTRIBUTE_UNUSED)
|
|
if(CMAKE_COMPILER_IS_GNUCXX)
|
|
set(GFLAGS_ATTRIBUTE_UNUSED "__attribute((unused))")
|
|
else()
|
|
set(GFLAGS_ATTRIBUTE_UNUSED)
|
|
endif()
|
|
endif()
|
|
|
|
# whenever we build a shared library (DLL on Windows), configure the public
|
|
# headers of the API for use of this shared library rather than the optionally
|
|
# also build statically linked library; users can override GFLAGS_DLL_DECL in
|
|
# particular, this done by setting the INTERFACE_COMPILE_DEFINITIONS of static
|
|
# libraries to include an empty definition for GFLAGS_DLL_DECL
|
|
if(NOT DEFINED GFLAGS_IS_A_DLL)
|
|
if(BUILD_SHARED_LIBS)
|
|
set(GFLAGS_IS_A_DLL 1)
|
|
else()
|
|
set(GFLAGS_IS_A_DLL 0)
|
|
endif()
|
|
endif()
|
|
|
|
configure_headers(PUBLIC_HDRS ${PUBLIC_HDRS})
|
|
configure_sources(PRIVATE_HDRS ${PRIVATE_HDRS})
|
|
configure_sources(GFLAGS_SRCS ${GFLAGS_SRCS})
|
|
|
|
# ----------------------------------------------------------------------------
|
|
# output directories
|
|
if(NOT GFLAGS_IS_SUBPROJECT)
|
|
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "bin")
|
|
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY "lib")
|
|
set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "lib")
|
|
endif()
|
|
# Set postfixes for generated libraries based on buildtype.
|
|
set(CMAKE_RELEASE_POSTFIX "")
|
|
set(CMAKE_DEBUG_POSTFIX "_debug")
|
|
|
|
# ----------------------------------------------------------------------------
|
|
# installation directories
|
|
if(OS_WINDOWS)
|
|
set(RUNTIME_INSTALL_DIR "bin")
|
|
set(LIBRARY_INSTALL_DIR "lib")
|
|
set(INCLUDE_INSTALL_DIR "include")
|
|
set(CONFIG_INSTALL_DIR "lib/cmake/${PACKAGE_NAME}")
|
|
set(PKGCONFIG_INSTALL_DIR)
|
|
else()
|
|
set(RUNTIME_INSTALL_DIR bin)
|
|
# The LIB_INSTALL_DIR and LIB_SUFFIX variables are used by the Fedora package
|
|
# maintainers. Also package maintainers of other distribution packages need to
|
|
# be able to specify the name of the library directory.
|
|
if(NOT GFLAGS_LIBRARY_INSTALL_DIR AND LIB_INSTALL_DIR)
|
|
set(GFLAGS_LIBRARY_INSTALL_DIR "${LIB_INSTALL_DIR}")
|
|
endif()
|
|
gflags_define(
|
|
PATH LIBRARY_INSTALL_DIR
|
|
"Directory of installed libraries, e.g., \"lib64\"" "lib${LIB_SUFFIX}")
|
|
gflags_property(LIBRARY_INSTALL_DIR ADVANCED TRUE)
|
|
set(INCLUDE_INSTALL_DIR include)
|
|
set(CONFIG_INSTALL_DIR ${LIBRARY_INSTALL_DIR}/cmake/${PACKAGE_NAME})
|
|
set(PKGCONFIG_INSTALL_DIR ${LIBRARY_INSTALL_DIR}/pkgconfig)
|
|
endif()
|
|
|
|
# ----------------------------------------------------------------------------
|
|
# add library targets
|
|
set(TARGETS)
|
|
# static vs. shared
|
|
foreach(TYPE IN ITEMS STATIC SHARED)
|
|
if(BUILD_${TYPE}_LIBS)
|
|
string(TOLOWER "${TYPE}" type)
|
|
# whether or not targets are a DLL
|
|
if(OS_WINDOWS AND "^${TYPE}$" STREQUAL "^SHARED$")
|
|
set(GFLAGS_IS_A_DLL 1)
|
|
else()
|
|
set(GFLAGS_IS_A_DLL 0)
|
|
endif()
|
|
# filename suffix for static libraries on Windows
|
|
if(OS_WINDOWS AND "^${TYPE}$" STREQUAL "^STATIC$")
|
|
set(type_suffix "_${type}")
|
|
else()
|
|
set(type_suffix "")
|
|
endif()
|
|
# multi-threaded vs. single-threaded
|
|
foreach(opts IN ITEMS "" _nothreads)
|
|
if(BUILD_gflags${opts}_LIB)
|
|
set(target_name "gflags${opts}_${type}")
|
|
add_library(${target_name} ${TYPE} ${GFLAGS_SRCS} ${PRIVATE_HDRS}
|
|
${PUBLIC_HDRS})
|
|
set_target_properties(
|
|
${target_name}
|
|
PROPERTIES OUTPUT_NAME "gflags${opts}${type_suffix}"
|
|
VERSION "${PACKAGE_VERSION}"
|
|
SOVERSION "${PACKAGE_SOVERSION}")
|
|
set(include_dirs "$<BUILD_INTERFACE:${PROJECT_BINARY_DIR}/include>")
|
|
if(INSTALL_HEADERS)
|
|
list(APPEND include_dirs
|
|
"$<INSTALL_INTERFACE:${INCLUDE_INSTALL_DIR}>")
|
|
endif()
|
|
target_include_directories(
|
|
${target_name}
|
|
PUBLIC "${include_dirs}"
|
|
PRIVATE
|
|
"${PROJECT_SOURCE_DIR}/src;${PROJECT_BINARY_DIR}/include/${GFLAGS_INCLUDE_DIR}"
|
|
)
|
|
target_compile_definitions(${target_name}
|
|
PUBLIC GFLAGS_IS_A_DLL=${GFLAGS_IS_A_DLL})
|
|
if(opts MATCHES "nothreads")
|
|
target_compile_definitions(${target_name} PRIVATE NO_THREADS)
|
|
elseif(CMAKE_USE_PTHREADS_INIT)
|
|
target_link_libraries(${target_name} ${CMAKE_THREAD_LIBS_INIT})
|
|
endif()
|
|
if(HAVE_SHLWAPI_H)
|
|
target_link_libraries(${target_name} shlwapi.lib)
|
|
endif()
|
|
list(APPEND TARGETS ${target_name})
|
|
# add convenience make target for build of both shared and static
|
|
# libraries
|
|
if(NOT GFLAGS_IS_SUBPROJECT)
|
|
if(NOT TARGET gflags${opts})
|
|
add_custom_target(gflags${opts})
|
|
endif()
|
|
add_dependencies(gflags${opts} ${target_name})
|
|
endif()
|
|
endif()
|
|
endforeach()
|
|
endif()
|
|
endforeach()
|
|
|
|
# add ALIAS target for use in super-project, prefer static over shared,
|
|
# single-threaded over multi-threaded
|
|
if(GFLAGS_IS_SUBPROJECT)
|
|
foreach(type IN ITEMS static shared)
|
|
foreach(opts IN ITEMS "_nothreads" "")
|
|
if(TARGET gflags${opts}_${type})
|
|
# Define "gflags" alias for super-projects treating targets of this
|
|
# library as part of their own project (also for backwards compatibility
|
|
# with gflags 2.2.1 which only defined this alias)
|
|
add_library(gflags ALIAS gflags${opts}_${type})
|
|
# Define "gflags::gflags" alias for projects that support both
|
|
# find_package(gflags) and add_subdirectory(gflags)
|
|
add_library(gflags::gflags ALIAS gflags${opts}_${type})
|
|
break()
|
|
endif()
|
|
endforeach()
|
|
if(TARGET gflags::gflags)
|
|
break()
|
|
endif()
|
|
endforeach()
|
|
endif()
|
|
|
|
# ----------------------------------------------------------------------------
|
|
# installation rules
|
|
set(EXPORT_NAME ${PACKAGE_NAME}-targets)
|
|
file(RELATIVE_PATH INSTALL_PREFIX_REL2CONFIG_DIR
|
|
"${CMAKE_INSTALL_PREFIX}/${CONFIG_INSTALL_DIR}" "${CMAKE_INSTALL_PREFIX}")
|
|
configure_file(
|
|
cmake/config.cmake.in
|
|
"${PROJECT_BINARY_DIR}/${PACKAGE_NAME}-config-install.cmake" @ONLY)
|
|
configure_file(
|
|
cmake/version.cmake.in
|
|
"${PROJECT_BINARY_DIR}/${PACKAGE_NAME}-config-version.cmake" @ONLY)
|
|
|
|
if(BUILD_SHARED_LIBS AND INSTALL_SHARED_LIBS)
|
|
foreach(opts IN ITEMS "" _nothreads)
|
|
if(BUILD_gflags${opts}_LIB)
|
|
install(
|
|
TARGETS gflags${opts}_shared
|
|
EXPORT ${EXPORT_NAME}
|
|
RUNTIME DESTINATION ${RUNTIME_INSTALL_DIR}
|
|
LIBRARY DESTINATION ${LIBRARY_INSTALL_DIR}
|
|
ARCHIVE DESTINATION ${LIBRARY_INSTALL_DIR})
|
|
endif()
|
|
endforeach()
|
|
endif()
|
|
if(BUILD_STATIC_LIBS AND INSTALL_STATIC_LIBS)
|
|
foreach(opts IN ITEMS "" _nothreads)
|
|
if(BUILD_gflags${opts}_LIB)
|
|
install(
|
|
TARGETS gflags${opts}_static
|
|
EXPORT ${EXPORT_NAME}
|
|
RUNTIME DESTINATION ${RUNTIME_INSTALL_DIR}
|
|
LIBRARY DESTINATION ${LIBRARY_INSTALL_DIR}
|
|
ARCHIVE DESTINATION ${LIBRARY_INSTALL_DIR})
|
|
endif()
|
|
endforeach()
|
|
endif()
|
|
|
|
if(INSTALL_HEADERS)
|
|
install(FILES ${PUBLIC_HDRS}
|
|
DESTINATION ${INCLUDE_INSTALL_DIR}/${GFLAGS_INCLUDE_DIR})
|
|
install(
|
|
FILES "${PROJECT_BINARY_DIR}/${PACKAGE_NAME}-config-install.cmake"
|
|
RENAME ${PACKAGE_NAME}-config.cmake
|
|
DESTINATION ${CONFIG_INSTALL_DIR})
|
|
install(FILES "${PROJECT_BINARY_DIR}/${PACKAGE_NAME}-config-version.cmake"
|
|
DESTINATION ${CONFIG_INSTALL_DIR})
|
|
install(
|
|
EXPORT ${EXPORT_NAME}
|
|
NAMESPACE ${PACKAGE_NAME}::
|
|
DESTINATION ${CONFIG_INSTALL_DIR})
|
|
install(
|
|
EXPORT ${EXPORT_NAME}
|
|
FILE ${PACKAGE_NAME}-nonamespace-targets.cmake
|
|
DESTINATION ${CONFIG_INSTALL_DIR})
|
|
if(UNIX)
|
|
install(PROGRAMS src/gflags_completions.sh
|
|
DESTINATION ${RUNTIME_INSTALL_DIR})
|
|
endif()
|
|
endif()
|
|
|
|
if(PKGCONFIG_INSTALL_DIR)
|
|
configure_file("cmake/package.pc.in"
|
|
"${PROJECT_BINARY_DIR}/${PACKAGE_NAME}.pc" @ONLY)
|
|
install(FILES "${PROJECT_BINARY_DIR}/${PACKAGE_NAME}.pc"
|
|
DESTINATION "${PKGCONFIG_INSTALL_DIR}")
|
|
endif()
|
|
|
|
# ----------------------------------------------------------------------------
|
|
# support direct use of build tree
|
|
set(INSTALL_PREFIX_REL2CONFIG_DIR .)
|
|
export(
|
|
TARGETS ${TARGETS}
|
|
NAMESPACE ${PACKAGE_NAME}::
|
|
FILE "${PROJECT_BINARY_DIR}/${EXPORT_NAME}.cmake")
|
|
export(TARGETS ${TARGETS}
|
|
FILE "${PROJECT_BINARY_DIR}/${PACKAGE_NAME}-nonamespace-targets.cmake")
|
|
if(REGISTER_BUILD_DIR)
|
|
export(PACKAGE ${PACKAGE_NAME})
|
|
endif()
|
|
if(REGISTER_INSTALL_PREFIX)
|
|
register_gflags_package(${CONFIG_INSTALL_DIR})
|
|
endif()
|
|
# configure_file(cmake/config.cmake.in
|
|
# "${PROJECT_BINARY_DIR}/${PACKAGE_NAME}-config.cmake" @ONLY)
|
|
|
|
# ----------------------------------------------------------------------------
|
|
# testing - MUST follow the generation of the build tree config file
|
|
# if(BUILD_TESTING) include(CTest) add_subdirectory(test) endif()
|
|
|
|
# ----------------------------------------------------------------------------
|
|
# packaging
|
|
if(BUILD_PACKAGING)
|
|
|
|
if(NOT BUILD_SHARED_LIBS AND NOT INSTALL_HEADERS)
|
|
message(
|
|
WARNING "Package will contain static libraries without headers!"
|
|
"\nRecommended options for generation of runtime package:"
|
|
"\n BUILD_SHARED_LIBS=ON"
|
|
"\n BUILD_STATIC_LIBS=OFF"
|
|
"\n INSTALL_HEADERS=OFF"
|
|
"\n INSTALL_SHARED_LIBS=ON"
|
|
"\nRecommended options for generation of development package:"
|
|
"\n BUILD_SHARED_LIBS=ON"
|
|
"\n BUILD_STATIC_LIBS=ON"
|
|
"\n INSTALL_HEADERS=ON"
|
|
"\n INSTALL_SHARED_LIBS=ON"
|
|
"\n INSTALL_STATIC_LIBS=ON")
|
|
endif()
|
|
|
|
# default package generators
|
|
if(APPLE)
|
|
set(PACKAGE_GENERATOR "PackageMaker")
|
|
set(PACKAGE_SOURCE_GENERATOR "TGZ;ZIP")
|
|
elseif(UNIX)
|
|
set(PACKAGE_GENERATOR "DEB;RPM")
|
|
set(PACKAGE_SOURCE_GENERATOR "TGZ;ZIP")
|
|
else()
|
|
set(PACKAGE_GENERATOR "ZIP")
|
|
set(PACKAGE_SOURCE_GENERATOR "ZIP")
|
|
endif()
|
|
|
|
# used package generators
|
|
set(CPACK_GENERATOR
|
|
"${PACKAGE_GENERATOR}"
|
|
CACHE STRING "List of binary package generators (CPack).")
|
|
set(CPACK_SOURCE_GENERATOR
|
|
"${PACKAGE_SOURCE_GENERATOR}"
|
|
CACHE STRING "List of source package generators (CPack).")
|
|
mark_as_advanced(CPACK_GENERATOR CPACK_SOURCE_GENERATOR)
|
|
|
|
# some package generators (e.g., PackageMaker) do not allow .md extension
|
|
configure_file("${CMAKE_CURRENT_LIST_DIR}/README.md"
|
|
"${CMAKE_CURRENT_BINARY_DIR}/README.txt" COPYONLY)
|
|
|
|
# common package information
|
|
set(CPACK_PACKAGE_VENDOR "Andreas Schuh")
|
|
set(CPACK_PACKAGE_CONTACT "google-gflags@googlegroups.com")
|
|
set(CPACK_PACKAGE_NAME "${PACKAGE_NAME}")
|
|
set(CPACK_PACKAGE_VERSION "${PACKAGE_VERSION}")
|
|
set(CPACK_PACKAGE_VERSION_MAJOR "${PACKAGE_VERSION_MAJOR}")
|
|
set(CPACK_PACKAGE_VERSION_MINOR "${PACKAGE_VERSION_MINOR}")
|
|
set(CPACK_PACKAGE_VERSION_PATCH "${PACKAGE_VERSION_PATCH}")
|
|
set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "${PACKAGE_DESCRIPTION}")
|
|
set(CPACK_RESOURCE_FILE_WELCOME "${CMAKE_CURRENT_BINARY_DIR}/README.txt")
|
|
set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_LIST_DIR}/COPYING.txt")
|
|
set(CPACK_PACKAGE_DESCRIPTION_FILE "${CMAKE_CURRENT_BINARY_DIR}/README.txt")
|
|
set(CPACK_INSTALL_PREFIX "${CMAKE_INSTALL_PREFIX}")
|
|
set(CPACK_OUTPUT_FILE_PREFIX packages)
|
|
set(CPACK_PACKAGE_RELOCATABLE TRUE)
|
|
set(CPACK_MONOLITHIC_INSTALL TRUE)
|
|
|
|
# RPM package information -- used in cmake/package.cmake.in also for DEB
|
|
set(CPACK_RPM_PACKAGE_GROUP "Development/Libraries")
|
|
set(CPACK_RPM_PACKAGE_LICENSE "BSD")
|
|
set(CPACK_RPM_PACKAGE_URL "${PACKAGE_URL}")
|
|
set(CPACK_RPM_CHANGELOG_FILE "${CMAKE_CURRENT_LIST_DIR}/ChangeLog.txt")
|
|
|
|
if(INSTALL_HEADERS)
|
|
set(CPACK_RESOURCE_FILE_README "${CMAKE_CURRENT_LIST_DIR}/doc/index.html")
|
|
else()
|
|
set(CPACK_RESOURCE_FILE_README
|
|
"${CMAKE_CURRENT_LIST_DIR}/cmake/README_runtime.txt")
|
|
endif()
|
|
|
|
# system/architecture
|
|
if(WINDOWS)
|
|
if(CMAKE_CL_64)
|
|
set(CPACK_SYSTEM_NAME "win64")
|
|
else()
|
|
set(CPACK_SYSTEM_NAME "win32")
|
|
endif()
|
|
set(CPACK_PACKAGE_ARCHITECTURE)
|
|
elseif(APPLE)
|
|
set(CPACK_PACKAGE_ARCHITECTURE darwin)
|
|
else()
|
|
string(TOLOWER "${CMAKE_SYSTEM_NAME}" CPACK_SYSTEM_NAME)
|
|
if(CMAKE_CXX_FLAGS MATCHES "-m32")
|
|
set(CPACK_PACKAGE_ARCHITECTURE i386)
|
|
else()
|
|
execute_process(
|
|
COMMAND dpkg --print-architecture
|
|
RESULT_VARIABLE RV
|
|
OUTPUT_VARIABLE CPACK_PACKAGE_ARCHITECTURE)
|
|
if(RV EQUAL 0)
|
|
string(STRIP "${CPACK_PACKAGE_ARCHITECTURE}" CPACK_PACKAGE_ARCHITECTURE)
|
|
else()
|
|
execute_process(COMMAND uname -m
|
|
OUTPUT_VARIABLE CPACK_PACKAGE_ARCHITECTURE)
|
|
if(CPACK_PACKAGE_ARCHITECTURE MATCHES "x86_64")
|
|
set(CPACK_PACKAGE_ARCHITECTURE amd64)
|
|
else()
|
|
set(CPACK_PACKAGE_ARCHITECTURE i386)
|
|
endif()
|
|
endif()
|
|
endif()
|
|
endif()
|
|
|
|
# source package settings
|
|
set(CPACK_SOURCE_TOPLEVEL_TAG "source")
|
|
set(CPACK_SOURCE_PACKAGE_FILE_NAME
|
|
"${CPACK_PACKAGE_NAME}-${CPACK_PACKAGE_VERSION}")
|
|
set(CPACK_SOURCE_IGNORE_FILES
|
|
"/\\\\.git/;\\\\.swp$;\\\\.#;/#;\\\\.*~;cscope\\\\.*;/[Bb]uild[.+-_a-zA-Z0-9]*/"
|
|
)
|
|
|
|
# default binary package settings
|
|
set(CPACK_INCLUDE_TOPLEVEL_DIRECTORY TRUE)
|
|
set(CPACK_PACKAGE_FILE_NAME
|
|
"${CPACK_PACKAGE_NAME}-${CPACK_PACKAGE_VERSION}-${CPACK_SYSTEM_NAME}")
|
|
if(CPACK_PACKAGE_ARCHITECTURE)
|
|
set(CPACK_PACKAGE_FILE_NAME
|
|
"${CPACK_PACKAGE_FILE_NAME}-${CPACK_PACKAGE_ARCHITECTURE}")
|
|
endif()
|
|
|
|
# generator specific configuration file
|
|
#
|
|
# allow package maintainers to use their own configuration file $ cmake
|
|
# -DCPACK_PROJECT_CONFIG_FILE:FILE=/path/to/package/config
|
|
if(NOT CPACK_PROJECT_CONFIG_FILE)
|
|
configure_file("${CMAKE_CURRENT_LIST_DIR}/cmake/package.cmake.in"
|
|
"${PROJECT_BINARY_DIR}/${PACKAGE_NAME}-package.cmake" @ONLY)
|
|
set(CPACK_PROJECT_CONFIG_FILE
|
|
"${PROJECT_BINARY_DIR}/${PACKAGE_NAME}-package.cmake")
|
|
endif()
|
|
|
|
include(CPack)
|
|
|
|
endif() # BUILD_PACKAGING
|
|
|
|
if(NOT GFLAGS_IS_SUBPROJECT AND NOT TARGET uninstall)
|
|
configure_file("${CMAKE_CURRENT_SOURCE_DIR}/cmake/cmake_uninstall.cmake.in"
|
|
"${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake" @ONLY)
|
|
add_custom_target(
|
|
uninstall COMMAND ${CMAKE_COMMAND} -P
|
|
"${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake")
|
|
endif()
|