1 cmake_minimum_required (VERSION 2.8.4 FATAL_ERROR)
3 # ----------------------------------------------------------------------------
5 set (CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
8 # ----------------------------------------------------------------------------
10 set (PACKAGE_NAME "gflags")
11 set (PACKAGE_VERSION "2.1")
12 set (PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}")
13 set (PACKAGE_TARNAME "${PACKAGE_NAME}-${PACKAGE_VERSION}")
14 set (PACKAGE_BUGREPORT "https://code.google.com/p/gflags/issues/")
16 project (${PACKAGE_NAME} CXX)
25 # ----------------------------------------------------------------------------
27 set (GFLAGS_NAMESPACE "${PACKAGE_NAME}" CACHE STRING "C++ namespace identifier of gflags library.")
29 option (BUILD_SHARED_LIBS "Request build of shared libraries." OFF)
30 option (BUILD_STATIC_LIBS "Request build of static libraries (default if BUILD_SHARED_LIBS is OFF)." OFF)
31 option (BUILD_gflags_LIB "Request build of the multi-threaded gflags library." ON)
32 option (BUILD_gflags_nothreads_LIB "Request build of the single-threaded gflags library." ON)
33 option (BUILD_PACKAGING "Enable build of distribution packages using CPack." OFF)
34 option (BUILD_TESTING "Enable build of the unit tests and their execution using CTest." OFF)
35 option (BUILD_NC_TESTS "Request addition of negative compilation tests." OFF)
36 option (INSTALL_HEADERS "Request packaging of headers and other development files." ON)
38 mark_as_advanced (CLEAR CMAKE_INSTALL_PREFIX)
39 mark_as_advanced (CMAKE_CONFIGURATION_TYPES
45 mark_as_advanced(CMAKE_OSX_ARCHITECTURES
46 CMAKE_OSX_DEPLOYMENT_TARGET
50 if (NOT BUILD_SHARED_LIBS AND NOT BUILD_STATIC_LIBS)
51 set (BUILD_STATIC_LIBS ON)
53 if (NOT BUILD_gflags_LIB AND NOT BUILD_gflags_nothreads_LIB)
54 message (FATAL_ERROR "At least one of BUILD_gflags_LIB and BUILD_gflags_nothreads_LIB must be ON.")
57 if (NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CXX_FLAGS)
58 set_property (CACHE CMAKE_BUILD_TYPE PROPERTY VALUE Release)
61 # ----------------------------------------------------------------------------
63 include (CheckTypeSize)
64 include (CheckIncludeFileCXX)
65 include (CheckCXXSymbolExists)
67 if (WIN32 AND NOT CYGWIN)
74 set (HAVE_SYS_TYPES_H 1)
76 set (HAVE_STDDEF_H 1) # used by CheckTypeSize module
77 set (HAVE_INTTYPES_H 0)
79 set (HAVE_SYS_STAT_H 1)
80 set (HAVE_SHLWAPI_H 1)
82 foreach (fname IN ITEMS unistd stdint inttypes sys/types sys/stat fnmatch)
83 string (TOUPPER "${fname}" FNAME)
84 string (REPLACE "/" "_" FNAME "${FNAME}")
85 if (NOT HAVE_${FNAME}_H)
86 check_include_file_cxx ("${fname}.h" HAVE_${FNAME}_H)
89 # the following are used in #if directives not #ifdef
90 bool_to_int (HAVE_STDINT_H)
91 bool_to_int (HAVE_SYS_TYPES_H)
92 bool_to_int (HAVE_INTTYPES_H)
93 if (NOT HAVE_FNMATCH_H AND OS_WINDOWS)
94 check_include_file_cxx ("shlwapi.h" HAVE_SHLWAPI_H)
98 set (GFLAGS_INTTYPES_FORMAT "" CACHE STRING "Format of integer types: \"C99\" (uint32_t), \"BSD\" (u_int32_t), \"VC7\" (__int32)")
99 set_property (CACHE GFLAGS_INTTYPES_FORMAT PROPERTY STRINGS "C99;BSD;VC7")
100 mark_as_advanced (GFLAGS_INTTYPES_FORMAT)
101 if (NOT GFLAGS_INTTYPES_FORMAT)
102 set (TYPES uint32_t u_int32_t)
104 list (INSERT TYPES 0 __int32)
106 foreach (type IN LISTS TYPES)
107 check_type_size (${type} ${type} LANGUAGE CXX)
113 set_property (CACHE GFLAGS_INTTYPES_FORMAT PROPERTY VALUE C99)
114 elseif (HAVE_u_int32_t)
115 set_property (CACHE GFLAGS_INTTYPES_FORMAT PROPERTY VALUE BSD)
116 elseif (HAVE___int32)
117 set_property (CACHE GFLAGS_INTTYPES_FORMAT PROPERTY VALUE VC7)
119 mark_as_advanced (CLEAR GFLAGS_INTTYPES_FORMAT)
120 message (FATAL_ERROR "Do not know how to define a 32-bit integer quantity on your system!"
121 " Neither uint32_t, u_int32_t, nor __int32 seem to be available."
122 " Set GFLAGS_INTTYPES_FORMAT to either C99, BSD, or VC7 and try again.")
125 # use of special characters in strings to circumvent bug #0008226
126 if ("^${GFLAGS_INTTYPES_FORMAT}$" STREQUAL "^WIN$")
127 set_property (CACHE GFLAGS_INTTYPES_FORMAT PROPERTY VALUE VC7)
129 if (NOT GFLAGS_INTTYPES_FORMAT MATCHES "^(C99|BSD|VC7)$")
130 message (FATAL_ERROR "Invalid value for GFLAGS_INTTYPES_FORMAT! Choose one of \"C99\", \"BSD\", or \"VC7\"")
132 set (GFLAGS_INTTYPES_FORMAT_C99 0)
133 set (GFLAGS_INTTYPES_FORMAT_BSD 0)
134 set (GFLAGS_INTTYPES_FORMAT_VC7 0)
135 set ("GFLAGS_INTTYPES_FORMAT_${GFLAGS_INTTYPES_FORMAT}" 1)
141 check_cxx_symbol_exists (strtoll stdlib.h HAVE_STRTOLL)
142 if (NOT HAVE_STRTOLL)
143 check_cxx_symbol_exists (strtoq stdlib.h HAVE_STRTOQ)
147 set (CMAKE_THREAD_PREFER_PTHREAD TRUE)
148 find_package (ThreadsCXX)
149 if (Threads_FOUND AND CMAKE_USE_PTHREADS_INIT)
151 check_type_size (pthread_rwlock_t RWLOCK LANGUAGE CXX)
156 if (UNIX AND NOT HAVE_PTHREAD AND BUILD_gflags_LIB)
157 if (CMAKE_HAVE_PTHREAD_H)
162 message (FATAL_ERROR "Could not find pthread${what}. Check the log file"
163 "\n\t${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log"
164 "\nor disable the build of the multi-threaded gflags library (BUILD_gflags_LIB=OFF).")
167 # ----------------------------------------------------------------------------
168 # source files - excluding root subdirectory and/or .in suffix
172 "gflags_completions.h"
183 "gflags_reporting.cc"
184 "gflags_completions.cc"
188 list (APPEND PRIVATE_HDRS "windows_port.h")
189 list (APPEND GFLAGS_SRCS "windows_port.cc")
192 # ----------------------------------------------------------------------------
193 # configure source files
194 if (CMAKE_COMPILER_IS_GNUCXX)
195 set (GFLAGS_ATTRIBUTE_UNUSED "__attribute((unused))")
197 set (GFLAGS_ATTRIBUTE_UNUSED)
200 configure_headers (PUBLIC_HDRS ${PUBLIC_HDRS})
201 configure_sources (PRIVATE_HDRS ${PRIVATE_HDRS})
202 configure_sources (GFLAGS_SRCS ${GFLAGS_SRCS})
204 include_directories ("${PROJECT_SOURCE_DIR}/src")
205 include_directories ("${PROJECT_BINARY_DIR}/include")
206 include_directories ("${PROJECT_BINARY_DIR}/include/${GFLAGS_NAMESPACE}")
208 # ----------------------------------------------------------------------------
210 set (CMAKE_RUNTIME_OUTPUT_DIRECTORY "bin")
211 set (CMAKE_LIBRARY_OUTPUT_DIRECTORY "lib")
212 set (CMAKE_ARCHIVE_OUTPUT_DIRECTORY "lib")
214 # ----------------------------------------------------------------------------
215 # add library targets
218 foreach (TYPE IN ITEMS STATIC SHARED)
219 if (BUILD_${TYPE}_LIBS)
220 # whether or not targets are a DLL
221 if (OS_WINDOWS AND "^${TYPE}$" STREQUAL "^SHARED$")
222 set (GFLAGS_IS_A_DLL 1)
224 set (GFLAGS_IS_A_DLL 0)
226 string (TOLOWER "${TYPE}" type)
227 # multi-threaded vs. single-threaded
228 foreach (opts IN ITEMS "" _nothreads)
229 if (BUILD_gflags${opts}_LIB)
230 add_library (gflags${opts}-${type} ${TYPE} ${GFLAGS_SRCS} ${PRIVATE_HDRS} ${PUBLIC_HDRS})
231 if (opts MATCHES "nothreads")
232 set (defines "GFLAGS_IS_A_DLL=${GFLAGS_IS_A_DLL};NOTHREADS")
234 set (defines "GFLAGS_IS_A_DLL=${GFLAGS_IS_A_DLL}")
236 set_target_properties (
237 gflags${opts}-${type} PROPERTIES COMPILE_DEFINITIONS "${defines}"
238 OUTPUT_NAME "gflags${opts}"
241 target_link_libraries (gflags${opts}-${type} shlwapi.lib)
243 if (NOT TARGET gflags${opts})
244 add_custom_target (gflags${opts})
246 add_dependencies (gflags${opts} gflags${opts}-${type})
247 list (APPEND TARGETS gflags${opts}-${type})
253 # ----------------------------------------------------------------------------
256 set (RUNTIME_INSTALL_DIR Bin)
257 set (LIBRARY_INSTALL_DIR Lib)
258 set (INCLUDE_INSTALL_DIR Include)
259 set (CONFIG_INSTALL_DIR CMake)
261 set (RUNTIME_INSTALL_DIR bin)
262 set (LIBRARY_INSTALL_DIR lib)
263 set (INCLUDE_INSTALL_DIR include)
264 set (CONFIG_INSTALL_DIR lib/cmake/${PACKAGE_NAME})
267 file (RELATIVE_PATH INSTALL_PREFIX_REL2CONFIG_DIR "${CMAKE_INSTALL_PREFIX}/${CONFIG_INSTALL_DIR}" "${CMAKE_INSTALL_PREFIX}")
268 configure_file (cmake/config.cmake.in "${PROJECT_BINARY_DIR}/${PACKAGE_NAME}-config-install.cmake" @ONLY)
269 configure_file (cmake/version.cmake.in "${PROJECT_BINARY_DIR}/${PACKAGE_NAME}-config-version.cmake" @ONLY)
271 install (TARGETS ${TARGETS} DESTINATION ${LIBRARY_INSTALL_DIR} EXPORT gflags-lib)
273 install (FILES ${PUBLIC_HDRS} DESTINATION ${INCLUDE_INSTALL_DIR}/${GFLAGS_NAMESPACE})
275 FILES "${PROJECT_BINARY_DIR}/${PACKAGE_NAME}-config-install.cmake"
276 RENAME ${PACKAGE_NAME}-config.cmake
277 DESTINATION ${CONFIG_INSTALL_DIR}
280 FILES "${PROJECT_BINARY_DIR}/${PACKAGE_NAME}-config-version.cmake"
281 DESTINATION ${CONFIG_INSTALL_DIR}
283 install (EXPORT gflags-lib DESTINATION ${CONFIG_INSTALL_DIR} FILE ${PACKAGE_NAME}-export.cmake)
285 install (PROGRAMS src/gflags_completions.sh DESTINATION ${RUNTIME_INSTALL_DIR})
289 # ----------------------------------------------------------------------------
290 # support direct use of build tree
291 set (INSTALL_PREFIX_REL2CONFIG_DIR .)
292 export (TARGETS ${TARGETS} FILE "${PROJECT_BINARY_DIR}/${PACKAGE_NAME}-export.cmake")
293 export (PACKAGE gflags)
294 configure_file (cmake/config.cmake.in "${PROJECT_BINARY_DIR}/${PACKAGE_NAME}-config.cmake" @ONLY)
296 # ----------------------------------------------------------------------------
297 # testing - MUST follow the generation of the build tree config file
301 add_subdirectory (test)
304 # ----------------------------------------------------------------------------
308 if (NOT BUILD_SHARED_LIBS AND NOT INSTALL_HEADERS)
309 message (WARNING "Package will contain static libraries without headers!"
310 "\nRecommended options for generation of runtime package:"
311 "\n BUILD_SHARED_LIBS=ON"
312 "\n BUILD_STATIC_LIBS=OFF"
313 "\n INSTALL_HEADERS=OFF"
314 "\nRecommended options for generation of development package:"
315 "\n BUILD_SHARED_LIBS=ON"
316 "\n BUILD_STATIC_LIBS=ON"
317 "\n INSTALL_HEADERS=ON")
320 # default package generators
322 set (PACKAGE_GENERATOR "PackageMaker")
323 set (PACKAGE_SOURCE_GENERATOR "TGZ;ZIP")
325 set (PACKAGE_GENERATOR "DEB;RPM")
326 set (PACKAGE_SOURCE_GENERATOR "TGZ;ZIP")
328 set (PACKAGE_GENERATOR "ZIP")
329 set (PACKAGE_SOURCE_GENERATOR "ZIP")
332 # used package generators
333 set (CPACK_GENERATOR "${PACKAGE_GENERATOR}" CACHE STRING "List of binary package generators (CPack).")
334 set (CPACK_SOURCE_GENERATOR "${PACKAGE_SOURCE_GENERATOR}" CACHE STRING "List of source package generators (CPack).")
335 mark_as_advanced (CPACK_GENERATOR CPACK_SOURCE_GENERATOR)
337 # common package information
338 set (CPACK_PACKAGE_VENDOR "Open Source by Andreas Schuh")
339 set (CPACK_PACKAGE_CONTACT "google-gflags@googlegroups.com")
340 set (CPACK_PACKAGE_NAME "${PACKAGE_NAME}")
341 set (CPACK_PACKAGE_VERSION "${PACKAGE_VERSION}")
342 set (CPACK_PACKAGE_VERSION_MAJOR "${PACKAGE_VERSION_MAJOR}")
343 set (CPACK_PACKAGE_VERSION_MINOR "${PACKAGE_VERSION_MINOR}")
344 set (CPACK_PACKAGE_VERSION_PATCH "${PACKAGE_VERSION_PATCH}")
345 set (CPACK_PACKAGE_DESCRIPTION_SUMMARY "A commandline flags library that allows for distributed flags.")
346 set (CPACK_RESOURCE_FILE_WELCOME "${CMAKE_CURRENT_LIST_DIR}/README.txt")
347 set (CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_LIST_DIR}/COPYING.txt")
348 set (CPACK_PACKAGE_DESCRIPTION_FILE "${CMAKE_CURRENT_LIST_DIR}/INSTALL.txt")
349 set (CPACK_INSTALL_PREFIX "${CMAKE_INSTALL_PREFIX}")
350 set (CPACK_OUTPUT_FILE_PREFIX packages)
351 set (CPACK_PACKAGE_RELOCATABLE TRUE)
352 set (CPACK_MONOLITHIC_INSTALL TRUE)
355 set (CPACK_RESOURCE_FILE_README "${CMAKE_CURRENT_LIST_DIR}/doc/gflags.html")
357 set (CPACK_RESOURCE_FILE_README "${CMAKE_CURRENT_LIST_DIR}/cmake/README_runtime.txt")
360 # system name used for binary package file name
363 set (CPACK_SYSTEM_NAME "win64")
365 set (CPACK_SYSTEM_NAME "win32")
368 string (TOLOWER "${CMAKE_SYSTEM_NAME}" CPACK_SYSTEM_NAME)
371 # source package settings
372 set (CPACK_SOURCE_TOPLEVEL_TAG "source")
373 set (CPACK_SOURCE_PACKAGE_FILE_NAME "${CPACK_PACKAGE_NAME}-${CPACK_PACKAGE_VERSION}")
374 set (CPACK_SOURCE_IGNORE_FILES "/\\\\.git/;\\\\.swp$;\\\\.#;/#;\\\\.*~;cscope\\\\.*;/[Bb]uild[.+-_a-zA-Z0-9]*/")
376 # default binary package settings
377 set (CPACK_INCLUDE_TOPLEVEL_DIRECTORY TRUE)
378 set (CPACK_PACKAGE_FILE_NAME "${CPACK_PACKAGE_NAME}-${CPACK_PACKAGE_VERSION}-${CPACK_SYSTEM_NAME}")
379 if (CMAKE_SYSTEM_PROCESSOR)
380 set (CPACK_PACKAGE_FILE_NAME "${CPACK_PACKAGE_FILE_NAME}-${CMAKE_SYSTEM_PROCESSOR}")
383 # generator specific configuration file
385 # allow package maintainers to use their own configuration file
386 # $ cmake -DCPACK_PROJECT_CONFIG_FILE:FILE=/path/to/package/config
387 if (NOT CPACK_PROJECT_CONFIG_FILE)
389 "${CMAKE_CURRENT_LIST_DIR}/cmake/package.cmake.in"
390 "${PROJECT_BINARY_DIR}/${PACKAGE_NAME}-package.cmake" @ONLY
392 set (CPACK_PROJECT_CONFIG_FILE "${PROJECT_BINARY_DIR}/${PACKAGE_NAME}-package.cmake")
397 endif () # BUILD_PACKAGING