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v811_spc009/external/gflags/CMakeLists.txt

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## CMake configuration file of gflags project
##
## This CMakeLists.txt defines some gflags specific configuration variables
## using the "gflags_define" utility macro. The default values of these variables
## can be overridden either on the CMake command-line using the -D option of
## the cmake command or in a super-project which includes the gflags source
## tree by setting the GFLAGS_<varname> CMake variables before adding the
## gflags source directory via CMake's "add_subdirectory" command. Only when
## the non-cached variable GFLAGS_IS_SUBPROJECT has a value equivalent to FALSE,
## these configuration variables are added to the CMake cache so they can be
## edited in the CMake GUI. By default, GFLAGS_IS_SUBPROJECT is set to TRUE when
## the CMAKE_SOURCE_DIR is not identical to the directory of this CMakeLists.txt
## file, i.e., the top-level directory of the gflags project source tree.
##
## When this project is a subproject (GFLAGS_IS_SUBPROJECT is TRUE), the default
## settings are such that only the static single-threaded library is built without
## installation of the gflags files. The "gflags::gflags" target is in this case an ALIAS
## library target for the "gflags_nothreads_static" library target. Targets which
## depend on the gflags library should link to the "gflags::gflags" library target.
##
## Example CMakeLists.txt of user project which requires separate gflags installation:
## cmake_minimum_required(VERSION 2.8.12 FATAL_ERROR)
##
## project(Foo)
##
## find_package(gflags REQUIRED)
##
## add_executable(foo src/foo.cc)
## target_link_libraries(foo gflags::gflags)
##
## Example CMakeLists.txt of user project which requires separate single-threaded static gflags installation:
## cmake_minimum_required(VERSION 2.8.12 FATAL_ERROR)
##
## project(Foo)
##
## find_package(gflags COMPONENTS nothreads_static)
##
## add_executable(foo src/foo.cc)
## target_link_libraries(foo gflags::gflags)
##
## Example CMakeLists.txt of super-project which contains gflags source tree:
## cmake_minimum_required(VERSION 2.8.12 FATAL_ERROR)
##
## project(Foo)
##
## add_subdirectory(gflags)
##
## add_executable(foo src/foo.cc)
## target_link_libraries(foo gflags::gflags)
##
## Variables to configure the source files:
## - GFLAGS_IS_A_DLL
## - GFLAGS_NAMESPACE
## - GFLAGS_ATTRIBUTE_UNUSED
## - GFLAGS_INTTYPES_FORMAT
##
## Variables to configure the build:
## - GFLAGS_SOVERSION
## - GFLAGS_BUILD_SHARED_LIBS
## - GFLAGS_BUILD_STATIC_LIBS
## - GFLAGS_BUILD_gflags_LIB
## - GFLAGS_BUILD_gflags_nothreads_LIB
## - GFLAGS_BUILD_TESTING
## - GFLAGS_BUILD_PACKAGING
##
## Variables to configure the installation:
## - GFLAGS_INCLUDE_DIR
## - GFLAGS_LIBRARY_INSTALL_DIR or LIB_INSTALL_DIR or LIB_SUFFIX
## - GFLAGS_INSTALL_HEADERS
## - GFLAGS_INSTALL_SHARED_LIBS
## - GFLAGS_INSTALL_STATIC_LIBS
cmake_minimum_required (VERSION 3.0.2 FATAL_ERROR)
if (POLICY CMP0042)
cmake_policy (SET CMP0042 NEW)
endif ()
if (POLICY CMP0048)
cmake_policy (SET CMP0048 NEW)
endif ()
# ----------------------------------------------------------------------------
# includes
include ("${CMAKE_CURRENT_SOURCE_DIR}/cmake/utils.cmake")
# ----------------------------------------------------------------------------
# package information
set (PACKAGE_NAME "gflags")
set (PACKAGE_VERSION "2.2.2")
set (PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}")
set (PACKAGE_TARNAME "${PACKAGE_NAME}-${PACKAGE_VERSION}")
set (PACKAGE_BUGREPORT "https://github.com/gflags/gflags/issues")
set (PACKAGE_DESCRIPTION "A commandline flags library that allows for distributed flags.")
set (PACKAGE_URL "http://gflags.github.io/gflags")
project (${PACKAGE_NAME} VERSION ${PACKAGE_VERSION} LANGUAGES CXX)
if (CMAKE_VERSION VERSION_LESS 3.4)
# C language still needed because the following required CMake modules
# (or their dependencies, respectively) are not correctly handling
# the case where only CXX is enabled
# - CheckTypeSize.cmake (fixed in CMake 3.1, cf. https://cmake.org/Bug/view.php?id=14056)
# - FindThreads.cmake (fixed in CMake 3.4, cf. https://cmake.org/Bug/view.php?id=14905)
enable_language (C)
endif ()
version_numbers (
${PACKAGE_VERSION}
PACKAGE_VERSION_MAJOR
PACKAGE_VERSION_MINOR
PACKAGE_VERSION_PATCH
)
# shared library ABI version number, can be overridden by package maintainers
# using -DGFLAGS_SOVERSION=XXX on the command-line
if (GFLAGS_SOVERSION)
set (PACKAGE_SOVERSION "${GFLAGS_SOVERSION}")
else ()
# TODO: Change default SOVERSION back to PACKAGE_VERSION_MAJOR with the
# next increase of major version number (i.e., 3.0.0 -> SOVERSION 3)
# The <major>.<minor> SOVERSION should be used for the 2.x releases
# versions only which temporarily broke the API by changing the default
# namespace from "google" to "gflags".
set (PACKAGE_SOVERSION "${PACKAGE_VERSION_MAJOR}.${PACKAGE_VERSION_MINOR}")
endif ()
# when gflags is included as subproject (e.g., as Git submodule/subtree) in the source
# tree of a project that uses it, no variables should be added to the CMake cache;
# users may set the non-cached variable GFLAGS_IS_SUBPROJECT before add_subdirectory(gflags)
if (NOT DEFINED GFLAGS_IS_SUBPROJECT)
if ("^${CMAKE_SOURCE_DIR}$" STREQUAL "^${PROJECT_SOURCE_DIR}$")
set (GFLAGS_IS_SUBPROJECT FALSE)
else ()
set (GFLAGS_IS_SUBPROJECT TRUE)
endif ()
endif ()
# prefix for package variables in CMake configuration file
string (TOUPPER "${PACKAGE_NAME}" PACKAGE_PREFIX)
# convert file path on Windows with back slashes to path with forward slashes
# otherwise this causes an issue with the cmake_install.cmake script
file (TO_CMAKE_PATH "${CMAKE_INSTALL_PREFIX}" CMAKE_INSTALL_PREFIX)
# ----------------------------------------------------------------------------
# options
# maintain binary backwards compatibility with gflags library version <= 2.0,
# but at the same time enable the use of the preferred new "gflags" namespace
gflags_define (STRING NAMESPACE "Name(s) of library namespace (separate multiple options by semicolon)" "google;${PACKAGE_NAME}" "${PACKAGE_NAME}")
gflags_property (NAMESPACE ADVANCED TRUE)
set (GFLAGS_NAMESPACE_SECONDARY "${NAMESPACE}")
list (REMOVE_DUPLICATES GFLAGS_NAMESPACE_SECONDARY)
if (NOT GFLAGS_NAMESPACE_SECONDARY)
message (FATAL_ERROR "GFLAGS_NAMESPACE must be set to one (or more) valid C++ namespace identifier(s separated by semicolon \";\").")
endif ()
foreach (ns IN LISTS GFLAGS_NAMESPACE_SECONDARY)
if (NOT ns MATCHES "^[a-zA-Z][a-zA-Z0-9_]*$")
message (FATAL_ERROR "GFLAGS_NAMESPACE contains invalid namespace identifier: ${ns}")
endif ()
endforeach ()
list (GET GFLAGS_NAMESPACE_SECONDARY 0 GFLAGS_NAMESPACE)
list (REMOVE_AT GFLAGS_NAMESPACE_SECONDARY 0)
# cached build options when gflags is not a subproject, otherwise non-cached CMake variables
# usage: gflags_define(BOOL <name> <doc> <default> [<subproject default>])
gflags_define (BOOL BUILD_SHARED_LIBS "Request build of shared libraries." OFF OFF)
gflags_define (BOOL BUILD_STATIC_LIBS "Request build of static libraries (default if BUILD_SHARED_LIBS is OFF)." OFF ON)
gflags_define (BOOL BUILD_gflags_LIB "Request build of the multi-threaded gflags library." ON OFF)
gflags_define (BOOL BUILD_gflags_nothreads_LIB "Request build of the single-threaded gflags library." ON ON)
gflags_define (BOOL BUILD_PACKAGING "Enable build of distribution packages using CPack." OFF OFF)
gflags_define (BOOL BUILD_TESTING "Enable build of the unit tests and their execution using CTest." OFF OFF)
gflags_define (BOOL INSTALL_HEADERS "Request installation of headers and other development files." ON OFF)
gflags_define (BOOL INSTALL_SHARED_LIBS "Request installation of shared libraries." ON ON)
gflags_define (BOOL INSTALL_STATIC_LIBS "Request installation of static libraries." ON OFF)
gflags_define (BOOL REGISTER_BUILD_DIR "Request entry of build directory in CMake's package registry." OFF OFF)
gflags_define (BOOL REGISTER_INSTALL_PREFIX "Request entry of installed package in CMake's package registry." ON OFF)
gflags_property (BUILD_STATIC_LIBS ADVANCED TRUE)
gflags_property (INSTALL_HEADERS ADVANCED TRUE)
gflags_property (INSTALL_SHARED_LIBS ADVANCED TRUE)
gflags_property (INSTALL_STATIC_LIBS ADVANCED TRUE)
if (NOT GFLAGS_IS_SUBPROJECT)
foreach (varname IN ITEMS CMAKE_INSTALL_PREFIX)
gflags_property (${varname} ADVANCED FALSE)
endforeach ()
foreach (varname IN ITEMS CMAKE_CONFIGURATION_TYPES CMAKE_OSX_ARCHITECTURES CMAKE_OSX_DEPLOYMENT_TARGET CMAKE_OSX_SYSROOT)
gflags_property (${varname} ADVANCED TRUE)
endforeach ()
if (NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CXX_FLAGS)
gflags_set (CMAKE_BUILD_TYPE Release)
endif ()
if (CMAKE_CONFIGURATION_TYPES)
gflags_property (CMAKE_BUILD_TYPE STRINGS "${CMAKE_CONFIGURATION_TYPES}")
endif ()
endif () # NOT GFLAGS_IS_SUBPROJECT
if (NOT BUILD_SHARED_LIBS AND NOT BUILD_STATIC_LIBS)
set (BUILD_STATIC_LIBS ON)
endif ()
if (NOT BUILD_gflags_LIB AND NOT BUILD_gflags_nothreads_LIB)
message (FATAL_ERROR "At least one of [GFLAGS_]BUILD_gflags_LIB and [GFLAGS_]BUILD_gflags_nothreads_LIB must be ON.")
endif ()
gflags_define (STRING INCLUDE_DIR "Name of include directory of installed header files relative to CMAKE_INSTALL_PREFIX/include/" "${PACKAGE_NAME}")
gflags_property (INCLUDE_DIR ADVANCED TRUE)
file (TO_CMAKE_PATH "${INCLUDE_DIR}" INCLUDE_DIR)
if (IS_ABSOLUTE INCLUDE_DIR)
message (FATAL_ERROR "[GFLAGS_]INCLUDE_DIR must be a path relative to CMAKE_INSTALL_PREFIX/include/")
endif ()
if (INCLUDE_DIR MATCHES "^\\.\\.[/\\]")
message (FATAL_ERROR "[GFLAGS_]INCLUDE_DIR must not start with parent directory reference (../)")
endif ()
set (GFLAGS_INCLUDE_DIR "${INCLUDE_DIR}")
# ----------------------------------------------------------------------------
# system checks
include (CheckTypeSize)
include (CheckIncludeFileCXX)
include (CheckCXXSymbolExists)
if (WIN32 AND NOT CYGWIN)
set (OS_WINDOWS 1)
else ()
set (OS_WINDOWS 0)
endif ()
if (MSVC)
set (HAVE_SYS_TYPES_H 1)
set (HAVE_STDDEF_H 1) # used by CheckTypeSize module
set (HAVE_UNISTD_H 0)
set (HAVE_SYS_STAT_H 1)
set (HAVE_SHLWAPI_H 1)
if (MSVC_VERSION VERSION_LESS 1600)
check_include_file_cxx ("stdint.h" HAVE_STDINT_H)
bool_to_int (HAVE_STDINT_H) # used in #if directive
else ()
set (HAVE_STDINT_H 1)
endif ()
if (MSVC_VERSION VERSION_LESS 1800)
check_include_file_cxx ("inttypes.h" HAVE_INTTYPES_H)
bool_to_int (HAVE_INTTYPES_H) # used in #if directive
else ()
set (HAVE_INTTYPES_H 1)
endif ()
else ()
foreach (fname IN ITEMS unistd stdint inttypes sys/types sys/stat fnmatch)
string (TOUPPER "${fname}" FNAME)
string (REPLACE "/" "_" FNAME "${FNAME}")
if (NOT HAVE_${FNAME}_H)
check_include_file_cxx ("${fname}.h" HAVE_${FNAME}_H)
endif ()
endforeach ()
if (NOT HAVE_FNMATCH_H AND OS_WINDOWS)
check_include_file_cxx ("shlwapi.h" HAVE_SHLWAPI_H)
endif ()
# the following are used in #if directives not #ifdef
bool_to_int (HAVE_STDINT_H)
bool_to_int (HAVE_SYS_TYPES_H)
bool_to_int (HAVE_INTTYPES_H)
endif ()
gflags_define (STRING INTTYPES_FORMAT "Format of integer types: \"C99\" (uint32_t), \"BSD\" (u_int32_t), \"VC7\" (__int32)" "")
gflags_property (INTTYPES_FORMAT STRINGS "C99;BSD;VC7")
gflags_property (INTTYPES_FORMAT ADVANCED TRUE)
if (NOT INTTYPES_FORMAT)
set (TYPES uint32_t u_int32_t)
if (MSVC)
list (INSERT TYPES 0 __int32)
endif ()
foreach (type IN LISTS TYPES)
check_type_size (${type} ${type} LANGUAGE CXX)
if (HAVE_${type})
break ()
endif ()
endforeach ()
if (HAVE_uint32_t)
gflags_set (INTTYPES_FORMAT C99)
elseif (HAVE_u_int32_t)
gflags_set (INTTYPES_FORMAT BSD)
elseif (HAVE___int32)
gflags_set (INTTYPES_FORMAT VC7)
else ()
gflags_property (INTTYPES_FORMAT ADVANCED FALSE)
message (FATAL_ERROR "Do not know how to define a 32-bit integer quantity on your system!"
" Neither uint32_t, u_int32_t, nor __int32 seem to be available."
" Set [GFLAGS_]INTTYPES_FORMAT to either C99, BSD, or VC7 and try again.")
endif ()
endif ()
# use of special characters in strings to circumvent bug #0008226
if ("^${INTTYPES_FORMAT}$" STREQUAL "^WIN$")
gflags_set (INTTYPES_FORMAT VC7)
endif ()
if (NOT INTTYPES_FORMAT MATCHES "^(C99|BSD|VC7)$")
message (FATAL_ERROR "Invalid value for [GFLAGS_]INTTYPES_FORMAT! Choose one of \"C99\", \"BSD\", or \"VC7\"")
endif ()
set (GFLAGS_INTTYPES_FORMAT "${INTTYPES_FORMAT}")
set (GFLAGS_INTTYPES_FORMAT_C99 0)
set (GFLAGS_INTTYPES_FORMAT_BSD 0)
set (GFLAGS_INTTYPES_FORMAT_VC7 0)
set ("GFLAGS_INTTYPES_FORMAT_${INTTYPES_FORMAT}" 1)
if (MSVC)
set (HAVE_strtoll 0)
set (HAVE_strtoq 0)
else ()
check_cxx_symbol_exists (strtoll stdlib.h HAVE_STRTOLL)
if (NOT HAVE_STRTOLL)
check_cxx_symbol_exists (strtoq stdlib.h HAVE_STRTOQ)
endif ()
endif ()
if (BUILD_gflags_LIB)
set (CMAKE_THREAD_PREFER_PTHREAD TRUE)
find_package (Threads)
if (Threads_FOUND AND CMAKE_USE_PTHREADS_INIT)
set (HAVE_PTHREAD 1)
check_type_size (pthread_rwlock_t RWLOCK LANGUAGE CXX)
else ()
set (HAVE_PTHREAD 0)
endif ()
if (UNIX AND NOT HAVE_PTHREAD)
if (CMAKE_HAVE_PTHREAD_H)
set (what "library")
else ()
set (what ".h file")
endif ()
message (FATAL_ERROR "Could not find pthread${what}. Check the log file"
"\n\t${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log"
"\nor disable the build of the multi-threaded gflags library (BUILD_gflags_LIB=OFF).")
endif ()
else ()
set (HAVE_PTHREAD 0)
endif ()
# ----------------------------------------------------------------------------
# source files - excluding root subdirectory and/or .in suffix
set (PUBLIC_HDRS
"gflags.h"
"gflags_declare.h"
"gflags_completions.h"
)
if (GFLAGS_NAMESPACE_SECONDARY)
set (INCLUDE_GFLAGS_NS_H "// Import gflags library symbols into alternative/deprecated namespace(s)")
foreach (ns IN LISTS GFLAGS_NAMESPACE_SECONDARY)
string (TOUPPER "${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 ()
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