cmake: enable position independent code (PIC)
[platform/upstream/glog.git] / CMakeLists.txt
1 cmake_minimum_required (VERSION 3.0)
2
3 if (POLICY CMP0042)
4   cmake_policy (SET CMP0042 NEW)
5 endif (POLICY CMP0042)
6
7 if (POLICY CMP0063)
8   cmake_policy (SET CMP0063 NEW)
9 endif (POLICY CMP0063)
10
11 project (google-glog)
12
13 enable_testing ()
14
15 set (GLOG_MAJOR_VERSION 0)
16 set (GLOG_MINOR_VERSION 3)
17 set (GLOG_PATCH_VERSION 4)
18
19 set (GLOG_VERSION
20   ${GLOG_MAJOR_VERSION}.${GLOG_MINOR_VERSION}.${GLOG_PATCH_VERSION})
21
22 set (CPACK_PACKAGE_NAME glog)
23 set (CPACK_PACKAGE_DESCRIPTION_SUMMARY "")
24 set (CPACK_PACKAGE_VERSION_MAJOR ${GLOG_MAJOR_VERSION})
25 set (CPACK_PACKAGE_VERSION_MINOR ${GLOG_MINOR_VERSION})
26 set (CPACK_PACKAGE_VERSION_PATCH ${GLOG_PATCH_VERSION})
27 set (CPACK_PACKAGE_VERSION ${GLOG_VERSION})
28
29 option (WITH_GFLAGS "Use gflags" ON)
30 option (WITH_THREADS "Enable multithreading support" ON)
31
32 list (APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
33
34 include (CMakePackageConfigHelpers)
35 include (CPack)
36 include (CheckCSourceCompiles)
37 include (CheckCXXCompilerFlag)
38 include (CheckCXXSourceCompiles)
39 include (CheckFunctionExists)
40 include (CheckIncludeFile)
41 include (CheckIncludeFileCXX)
42 include (CheckLibraryExists)
43 include (CheckStructHasMember)
44 include (CheckSymbolExists)
45 include (CheckTypeSize)
46 include (DetermineGflagsNamespace)
47
48 set (CMAKE_THREAD_PREFER_PTHREAD 1)
49
50 if (WITH_GFLAGS)
51   find_package (gflags)
52
53   if (gflags_FOUND)
54     set (HAVE_LIB_GFLAGS 1)
55     determine_gflags_namespace (gflags_NAMESPACE)
56   endif (gflags_FOUND)
57 endif (WITH_GFLAGS)
58
59 if (WITH_THREADS)
60   find_package (Threads)
61 endif (WITH_THREADS)
62
63 check_include_file (dlfcn.h HAVE_DLFCN_H)
64 check_include_file (execinfo.h HAVE_EXECINFO_H)
65 check_include_file (glob.h HAVE_GLOB_H)
66 check_include_file (inttypes.h HAVE_INTTYPES_H)
67 check_include_file (libunwind.h HAVE_LIBUNWIND_H)
68 check_include_file (memory.h HAVE_MEMORY_H)
69 check_include_file (pwd.h HAVE_PWD_H)
70 check_include_file (stdint.h HAVE_STDINT_H)
71 check_include_file (stdlib.h HAVE_STDLIB_H)
72 check_include_file (string.h HAVE_STRING_H)
73 check_include_file (strings.h HAVE_STRINGS_H)
74 check_include_file (sys/stat.h HAVE_SYS_STAT_H)
75 check_include_file (sys/syscall.h HAVE_SYS_SYSCALL_H)
76 check_include_file (sys/time.h HAVE_SYS_TIME_H)
77 check_include_file (sys/types.h HAVE_SYS_TYPES_H)
78 check_include_file (sys/utsname.h HAVE_SYS_UTSNAME_H)
79 check_include_file (syscall.h HAVE_SYSCALL_H)
80 check_include_file (syslog.h HAVE_SYSLOG_H)
81 check_include_file (ucontext.h HAVE_UCONTEXT_H)
82 check_include_file (unistd.h HAVE_UNISTD_H)
83 check_include_file (unwind.h HAVE_UNWIND_H)
84
85 check_include_file_cxx ("ext/hash_map" HAVE_EXT_HASH_MAP)
86 check_include_file_cxx ("ext/hash_set" HAVE_EXT_HASH_SET)
87 check_include_file_cxx ("ext/slist" HAVE_EXT_SLIST)
88 check_include_file_cxx ("tr1/unordered_map" HAVE_TR1_UNORDERED_MAP)
89 check_include_file_cxx ("tr1/unordered_set" HAVE_TR1_UNORDERED_SET)
90 check_include_file_cxx ("unordered_map" HAVE_UNORDERED_MAP)
91 check_include_file_cxx ("unordered_set" HAVE_UNORDERED_SET)
92
93 check_type_size ("unsigned __int16" HAVE___UINT16)
94 check_type_size (u_int16_t HAVE_U_INT16_T)
95 check_type_size (uint16_t HAVE_UINT16_T)
96
97 check_function_exists (dladdr HAVE_DLADDR)
98 check_function_exists (fcntl HAVE_FCNTL)
99 check_function_exists (pread HAVE_PREAD)
100 check_function_exists (pwrite HAVE_PWRITE)
101 check_function_exists (sigaction HAVE_SIGACTION)
102 check_function_exists (sigaltstack HAVE_SIGALSTACK)
103
104 check_cxx_compiler_flag (-Wno-deprecated HAVE_NO_DEPRECATED)
105 check_cxx_compiler_flag (-Wno-unnamed-type-template-args
106     HAVE_NO_UNNAMED_TYPE_TEMPLATE_ARGS)
107
108 # NOTE: Cannot use check_function_exists here since >=vc-14.0 can define
109 # snprintf as an inline function
110 check_symbol_exists (snprintf stdio.h HAVE_SNPRINTF)
111
112 check_library_exists (unwind get_static_proc_name "" HAVE_LIB_UNWIND)
113
114 find_library (UNWIND_LIBRARY NAMES unwind DOC "unwind library")
115 mark_as_advanced (UNWIND_LIBRARY)
116
117 check_c_source_compiles ("
118 #include <stdlib.h>
119 static void foo(void) __attribute__ ((unused));
120 int main(void) { return 0; }
121 " HAVE___ATTRIBUTE__)
122
123 check_c_source_compiles ("
124 #include <stdlib.h>
125 static void foo(void) __attribute__ ((visibility(\"default\")));
126 int main(void) { return 0; }
127 " HAVE___ATTRIBUTE__VISIBILITY_DEFAULT)
128
129 check_c_source_compiles ("
130 #include <stdlib.h>
131 static void foo(void) __attribute__ ((visibility(\"hidden\")));
132 int main(void) { return 0; }
133 " HAVE___ATTRIBUTE__VISIBILITY_HIDDEN)
134
135 check_c_source_compiles ("
136 int main(void) { if (__builtin_expect(0, 0)) return 1; return 0; }
137 " HAVE___BUILTIN_EXPECT)
138
139 check_c_source_compiles ("
140 int main(void)
141 {
142   int a; if (__sync_val_compare_and_swap(&a, 0, 1)) return 1; return 0;
143 }
144 " HAVE___SYNC_VAL_COMPARE_AND_SWAP)
145
146 check_c_source_compiles ("
147 #define _XOPEN_SOURCE 500
148 #include <pthread.h>
149 int main(void)
150 {
151   pthread_rwlock_t l;
152   pthread_rwlock_init(&l, NULL);
153   pthread_rwlock_rdlock(&l);
154   return 0;
155 }
156 " HAVE_RWLOCK)
157
158 check_c_source_compiles ("
159 __declspec(selectany) int a;
160 int main(void) { return 0; }
161 " HAVE___DECLSPEC)
162
163 check_cxx_source_compiles ("
164 #include <vector>
165 vector<int> t; int main() { }
166 " STL_NO_NAMESPACE)
167
168 check_cxx_source_compiles ("
169 #include <vector>
170 std::vector<int> t; int main() { }
171 " STL_STD_NAMESPACE)
172
173 check_cxx_source_compiles ("
174 #include <iostream>
175 std::ostream& operator<<(std::ostream&, struct s);
176 using ::operator<<;
177 int main() { }
178 " HAVE_USING_OPERATOR)
179
180 check_cxx_source_compiles ("
181 namespace Outer { namespace Inner { int i = 0; }}
182 using namespace Outer::Inner;;
183 int main() { return i; }
184 " HAVE_NAMESPACES)
185
186 set (_PC_FIELDS
187   "gregs[REG_PC]"
188   "gregs[REG_EIP]"
189   "gregs[REG_RIP]"
190   "sc_ip"
191   "uc_regs->gregs[PT_NIP]"
192   "gregs[R15]"
193   "arm_pc"
194   "mc_eip"
195   "mc_rip"
196   "__gregs[REG_EIP]"
197   "__gregs[REG_RIP]"
198   "ss.eip"
199   "__ss.__eip"
200   "ss.rip"
201   "__ss.__rip"
202   "ss.srr0"
203   "__ss.__srr0"
204 )
205
206 set (_PC_HEADERS ucontext.h signal.h)
207
208 if (HAVE_UCONTEXT_H AND NOT PC_FROM_UCONTEXT)
209   foreach (_PC_FIELD ${_PC_FIELDS})
210     foreach (_PC_HEADER ${_PC_HEADERS})
211       set (_TMP
212       ${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/uctfield.c)
213       file (WRITE ${_TMP} "
214 #define _GNU_SOURCE 1
215 #include <${_PC_HEADER}>
216 int main(void)
217 {
218   ucontext_t u;
219   return u.${_PC_FIELD} == 0;
220 }
221 ")
222       try_compile (HAVE_PC_FROM_UCONTEXT ${CMAKE_CURRENT_BINARY_DIR} ${_TMP}
223         COMPILE_DEFINITIONS _GNU_SOURCE=1)
224
225       if (HAVE_PC_FROM_UCONTEXT)
226         set (PC_FROM_UCONTEXT ${_PC_FIELD} CACHE)
227       endif (HAVE_PC_FROM_UCONTEXT)
228     endforeach (_PC_HEADER)
229   endforeach (_PC_FIELD)
230 endif  (HAVE_UCONTEXT_H AND NOT PC_FROM_UCONTEXT)
231
232 if (STL_STD_NAMESPACE)
233   set (STL_NAMESPACE std)
234 else (STL_STD_NAMESPACE)
235   set (STL_NAMESPACE "")
236 endif (STL_STD_NAMESPACE)
237
238 set (GOOGLE_NAMESPACE google)
239 set (_START_GOOGLE_NAMESPACE_ "namespace ${GOOGLE_NAMESPACE} {")
240 set (_END_GOOGLE_NAMESPACE_ "}")
241
242 if (HAVE___UINT16)
243   set (ac_cv_have___uint16 1)
244 else (HAVE___UINT16)
245   set (ac_cv_have___uint16 0)
246 endif (HAVE___UINT16)
247
248 if (HAVE_INTTYPES_H)
249   set (ac_cv_have_inttypes_h 1)
250 else (HAVE_INTTYPES_H)
251   set (ac_cv_have_inttypes_h 0)
252 endif (HAVE_INTTYPES_H)
253
254 if (HAVE_LIB_GFLAGS)
255   set (ac_cv_have_libgflags 1)
256 else (HAVE_LIB_GFLAGS)
257   set (ac_cv_have_libgflags 0)
258 endif (HAVE_LIB_GFLAGS)
259
260 if (HAVE_STDINT_H)
261   set (ac_cv_have_stdint_h 1)
262 else (HAVE_STDINT_H)
263   set (ac_cv_have_stdint_h 0)
264 endif (HAVE_STDINT_H)
265
266 if (HAVE_SYS_TYPES_H)
267   set (ac_cv_have_systypes_h 1)
268 else (HAVE_SYS_TYPES_H)
269   set (ac_cv_have_systypes_h 0)
270 endif (HAVE_SYS_TYPES_H)
271
272 if (HAVE_U_INT16_T)
273   set (ac_cv_have_u_int16_t 1)
274 else (HAVE_U_INT16_T)
275   set (ac_cv_have_u_int16_t 0)
276 endif (HAVE_U_INT16_T)
277
278 if (HAVE_UINT16_T)
279   set (ac_cv_have_uint16_t 1)
280 else (HAVE_UINT16_T)
281   set (ac_cv_have_uint16_t 0)
282 endif (HAVE_UINT16_T)
283
284 if (HAVE_UNISTD_H)
285   set (ac_cv_have_unistd_h 1)
286 else (HAVE_UNISTD_H)
287   set (ac_cv_have_unistd_h 0)
288 endif (HAVE_UNISTD_H)
289
290 set (ac_google_namespace ${GOOGLE_NAMESPACE})
291 set (ac_google_end_namespace ${_END_GOOGLE_NAMESPACE_})
292 set (ac_google_start_namespace ${_START_GOOGLE_NAMESPACE_})
293
294 if (HAVE___ATTRIBUTE__)
295   set (ac_cv___attribute___noreturn "__attribute__((noreturn))")
296   set (ac_cv___attribute___noinline "__attribute__((noinline))")
297 elseif (HAVE___DECLSPEC)
298   set (ac_cv___attribute___noreturn "__declspec(noreturn)")
299   #set (ac_cv___attribute___noinline "__declspec(noinline)")
300 endif (HAVE___ATTRIBUTE__)
301
302 if (HAVE___BUILTIN_EXPECT)
303   set (ac_cv_have___builtin_expect 1)
304 else (HAVE___BUILTIN_EXPECT)
305   set (ac_cv_have___builtin_expect 0)
306 endif (HAVE___BUILTIN_EXPECT)
307
308 if (HAVE_USING_OPERATOR)
309   set (ac_cv_cxx_using_operator 1)
310 else (HAVE_USING_OPERATOR)
311   set (ac_cv_cxx_using_operator 0)
312 endif (HAVE_USING_OPERATOR)
313
314 set (SIZEOF_VOID_P ${CMAKE_SIZEOF_VOID_P})
315
316 if (WITH_THREADS AND Threads_FOUND)
317   if (CMAKE_USE_PTHREADS_INIT)
318     set (HAVE_PTHREAD 1)
319   endif (CMAKE_USE_PTHREADS_INIT)
320 else (WITH_THREADS AND Threads_FOUND)
321   set (NO_THREADS 1)
322 endif (WITH_THREADS AND Threads_FOUND)
323
324 set (TEST_SRC_DIR \"${CMAKE_CURRENT_SOURCE_DIR}\")
325
326 configure_file (src/config.h.cmake.in config.h)
327 configure_file (src/glog/logging.h.in glog/logging.h @ONLY)
328 configure_file (src/glog/raw_logging.h.in glog/raw_logging.h @ONLY)
329 configure_file (src/glog/stl_logging.h.in glog/stl_logging.h @ONLY)
330 configure_file (src/glog/vlog_is_on.h.in glog/vlog_is_on.h @ONLY)
331
332 set (CMAKE_CXX_VISIBILITY_PRESET default)
333 set (CMAKE_VISIBILITY_INLINES_HIDDEN 1)
334
335 set (GLOG_PUBLIC_H
336   ${CMAKE_CURRENT_BINARY_DIR}/config.h
337   ${CMAKE_CURRENT_BINARY_DIR}/glog/logging.h
338   ${CMAKE_CURRENT_BINARY_DIR}/glog/raw_logging.h
339   ${CMAKE_CURRENT_BINARY_DIR}/glog/stl_logging.h
340   ${CMAKE_CURRENT_BINARY_DIR}/glog/vlog_is_on.h
341   src/glog/log_severity.h
342 )
343
344 set (GLOG_SRCS
345   ${GLOG_PUBLIC_H}
346   src/base/commandlineflags.h
347   src/base/googleinit.h
348   src/base/mutex.h
349   src/demangle.cc
350   src/demangle.h
351   src/logging.cc
352   src/raw_logging.cc
353   src/symbolize.cc
354   src/symbolize.h
355   src/utilities.cc
356   src/utilities.h
357   src/vlog_is_on.cc
358 )
359
360 if (HAVE_PTHREAD)
361   list (APPEND GLOG_SRCS src/signalhandler.cc)
362 endif (HAVE_PTHREAD)
363
364 if (WIN32)
365   list (APPEND GLOG_SRCS
366     src/windows/port.cc
367     src/windows/port.h
368   )
369 endif (WIN32)
370
371 add_library (glog
372   ${GLOG_SRCS}
373 )
374
375 set_target_properties (glog PROPERTIES POSITION_INDEPENDENT_CODE ON)
376
377 if (UNWIND_LIBRARY)
378   target_link_libraries (glog PUBLIC ${UNWIND_LIBRARY})
379 endif (UNWIND_LIBRARY)
380
381 if (HAVE_PTHREAD)
382   target_link_libraries (glog PUBLIC ${CMAKE_THREAD_LIBS_INIT})
383 endif (HAVE_PTHREAD)
384
385 if (WIN32 AND HAVE_SNPRINTF)
386   set_property (SOURCE src/windows/port.cc APPEND PROPERTY COMPILE_DEFINITIONS
387     HAVE_SNPRINTF)
388 endif (WIN32 AND HAVE_SNPRINTF)
389
390 if (HAVE_NO_UNNAMED_TYPE_TEMPLATE_ARGS)
391   target_compile_options (glog PUBLIC -Wno-unnamed-type-template-args)
392 endif (HAVE_NO_UNNAMED_TYPE_TEMPLATE_ARGS)
393
394 if (gflags_FOUND)
395   target_include_directories (glog PUBLIC ${gflags_INCLUDE_DIR})
396   target_link_libraries (glog PUBLIC ${gflags_LIBRARIES})
397
398   if (NOT BUILD_SHARED_LIBS)
399     # Don't use __declspec(dllexport|dllimport) if this is a static build
400     targeT_compile_definitions (glog PUBLIC GFLAGS_DLL_DECLARE_FLAG= GFLAGS_DLL_DEFINE_FLAG=)
401   endif (NOT BUILD_SHARED_LIBS)
402 endif (gflags_FOUND)
403
404 set_target_properties (glog PROPERTIES VERSION ${GLOG_MAJOR_VERSION})
405 set_target_properties (glog PROPERTIES SOVERSION ${GLOG_VERSION})
406
407 if (WIN32)
408   target_compile_definitions (glog PUBLIC GLOG_NO_ABBREVIATED_SEVERITIES)
409 endif (WIN32)
410
411 set_target_properties (glog PROPERTIES PUBLIC_HEADER "${GLOG_PUBLIC_H}")
412
413 target_include_directories (glog BEFORE PUBLIC
414   "$<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}>"
415   "$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/src>"
416   "$<INSTALL_INTERFACE:include>"
417   PRIVATE ${CMAKE_CURRENT_BINARY_DIR}
418   PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/src)
419
420 if (WIN32)
421   target_include_directories (glog PUBLIC
422     "$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/src/windows>"
423     PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/src/windows)
424 endif (WIN32)
425
426 set_target_properties (glog PROPERTIES DEFINE_SYMBOL LIBGLOG_EXPORTS)
427
428 if (NOT BUILD_SHARED_LIBS)
429   target_compile_definitions (glog PUBLIC GOOGLE_GLOG_DLL_DECL=)
430 else (NOT BUILD_SHARED_LIBS)
431   target_compile_definitions (glog PRIVATE GOOGLE_GLOG_IS_A_DLL=1)
432
433   if (HAVE___ATTRIBUTE__VISIBILITY_DEFAULT)
434     set (_EXPORT "__attribute__((visibility(\"default\")))")
435     set (_IMPORT "")
436   elseif (HAVE___DECLSPEC)
437     set (_EXPORT "__declspec(dllexport)")
438     set (_IMPORT "__declspec(dllimport)")
439   endif (HAVE___ATTRIBUTE__VISIBILITY_DEFAULT)
440
441   target_compile_definitions (glog PRIVATE
442     "GOOGLE_GLOG_DLL_DECL=${_EXPORT}")
443   target_compile_definitions (glog INTERFACE
444     "GOOGLE_GLOG_DLL_DECL=${_IMPORT}")
445   target_compile_definitions (glog INTERFACE
446     "GOOGLE_GLOG_DLL_DECL_FOR_UNITTESTS=${_IMPORT}")
447 endif (NOT BUILD_SHARED_LIBS)
448
449 if (HAVE_EXECINFO_H)
450   set (HAVE_STACKTRACE 1)
451 endif (HAVE_EXECINFO_H)
452
453 if (UNIX OR (APPLE AND HAVE_DLADDR))
454   set (HAVE_SYMBOLIZE 1)
455 endif (UNIX OR (APPLE AND HAVE_DLADDR))
456
457 # Unit testing
458
459 add_executable (logging_unittest
460   src/logging_unittest.cc
461 )
462
463 target_link_libraries (logging_unittest PRIVATE glog)
464
465 add_executable (stl_logging_unittest
466   src/stl_logging_unittest.cc
467 )
468
469 target_link_libraries (stl_logging_unittest PRIVATE glog)
470
471 if (HAVE_NO_DEPRECATED)
472   set_property (TARGET stl_logging_unittest APPEND PROPERTY COMPILE_OPTIONS
473     -Wno-deprecated)
474 endif (HAVE_NO_DEPRECATED)
475
476 if (HAVE_UNORDERED_MAP AND HAVE_UNORDERED_SET)
477   target_compile_definitions (stl_logging_unittest PRIVATE
478     GLOG_STL_LOGGING_FOR_UNORDERED)
479 endif (HAVE_UNORDERED_MAP AND HAVE_UNORDERED_SET)
480
481 if (HAVE_TR1_UNORDERED_MAP AND HAVE_TR1_UNORDERED_SET)
482   target_compile_definitions (stl_logging_unittest PRIVATE
483     GLOG_STL_LOGGING_FOR_TR1_UNORDERED)
484 endif (HAVE_TR1_UNORDERED_MAP AND HAVE_TR1_UNORDERED_SET)
485
486 if (HAVE_EXT_HASH_MAP AND HAVE_EXT_HASH_SET)
487   target_compile_definitions (stl_logging_unittest PRIVATE
488     GLOG_STL_LOGGING_FOR_EXT_HASH)
489 endif (HAVE_EXT_HASH_MAP AND HAVE_EXT_HASH_SET)
490
491 if (HAVE_EXT_SLIST)
492   target_compile_definitions (stl_logging_unittest PRIVATE
493     GLOG_STL_LOGGING_FOR_EXT_SLIST)
494 endif (HAVE_EXT_SLIST)
495
496 if (HAVE_SYMBOLIZE)
497   add_executable (symbolize_unittest
498     src/symbolize_unittest.cc
499   )
500
501   target_link_libraries (symbolize_unittest PRIVATE glog)
502 endif (HAVE_SYMBOLIZE)
503
504 add_executable (demangle_unittest
505   src/demangle_unittest.cc
506 )
507
508 target_link_libraries (demangle_unittest PRIVATE glog)
509
510 if (HAVE_STACKTRACE)
511   add_executable (stacktrace_unittest
512     src/stacktrace_unittest.cc
513   )
514
515   target_link_libraries (stacktrace_unittest PRIVATE glog)
516 endif (HAVE_STACKTRACE)
517
518 add_executable (utilities_unittest
519   src/utilities_unittest.cc
520 )
521
522 target_link_libraries (utilities_unittest PRIVATE glog)
523
524 if (HAVE_STACKTRACE AND HAVE_SYMBOLIZE)
525   add_executable (signalhandler_unittest
526     src/signalhandler_unittest.cc
527   )
528
529   target_link_libraries (signalhandler_unittest PRIVATE glog)
530 endif (HAVE_STACKTRACE AND HAVE_SYMBOLIZE)
531
532 add_test (NAME demangle COMMAND demangle_unittest)
533 add_test (NAME logging COMMAND logging_unittest)
534
535 if (TARGET signalhandler_unittest)
536   add_test (NAME signalhandler COMMAND signalhandler_unittest)
537 endif (TARGET signalhandler_unittest)
538
539 if (TARGET stacktrace_unittest)
540   add_test (NAME stacktrace COMMAND stacktrace_unittest)
541 endif (TARGET stacktrace_unittest)
542
543 add_test (NAME stl_logging COMMAND stl_logging_unittest)
544
545 if (TARGET symbolize_unittest)
546   add_test (NAME symbolize COMMAND symbolize_unittest)
547 endif (TARGET symbolize_unittest)
548
549 install (TARGETS glog
550   EXPORT glog-targets
551   RUNTIME DESTINATION bin
552   PUBLIC_HEADER DESTINATION include/glog
553   LIBRARY DESTINATION lib
554   ARCHIVE DESTINATION lib)
555
556 if (gflags_FOUND)
557   set (gflags_DEPENDENCY "find_dependency (gflags ${gflags_VERSION})")
558 endif (gflags_FOUND)
559
560 configure_package_config_file (glog-config.cmake.in
561   ${CMAKE_CURRENT_BINARY_DIR}/glog-config.cmake
562   INSTALL_DESTINATION lib/cmake/glog
563   NO_CHECK_REQUIRED_COMPONENTS_MACRO)
564
565 write_basic_package_version_file (glog-config-version.cmake VERSION
566   ${GLOG_VERSION} COMPATIBILITY SameMajorVersion)
567
568 export (TARGETS glog NAMESPACE glog:: FILE glog-targets.cmake)
569 export (PACKAGE glog)
570
571 install (FILES
572   ${CMAKE_CURRENT_BINARY_DIR}/glog-config.cmake
573   ${CMAKE_CURRENT_BINARY_DIR}/glog-config-version.cmake
574   DESTINATION lib/cmake/glog)
575
576 install (EXPORT glog-targets NAMESPACE glog:: DESTINATION lib/cmake/glog)