xref: /freebsd/contrib/libfido2/CMakeLists.txt (revision 60a517b66a69b8c011b04063ef63a938738719bd)
1# Copyright (c) 2018-2022 Yubico AB. All rights reserved.
2# Use of this source code is governed by a BSD-style
3# license that can be found in the LICENSE file.
4# SPDX-License-Identifier: BSD-2-Clause
5cmake_minimum_required(VERSION 3.7)
6
7# detect AppleClang; needs to come before project()
8cmake_policy(SET CMP0025 NEW)
9
10project(libfido2 C)
11# Set PIE flags for POSITION_INDEPENDENT_CODE targets, added in CMake 3.14.
12if(POLICY CMP0083)
13	cmake_policy(SET CMP0083 NEW)
14endif()
15
16include(CheckCCompilerFlag)
17include(CheckFunctionExists)
18include(CheckLibraryExists)
19include(CheckSymbolExists)
20include(CheckIncludeFiles)
21include(CheckTypeSize)
22include(GNUInstallDirs)
23include(CheckPIESupported OPTIONAL RESULT_VARIABLE CHECK_PIE_SUPPORTED)
24if(CHECK_PIE_SUPPORTED)
25	check_pie_supported(LANGUAGES C)
26endif()
27
28set(CMAKE_POSITION_INDEPENDENT_CODE ON)
29set(CMAKE_COLOR_MAKEFILE OFF)
30set(CMAKE_VERBOSE_MAKEFILE ON)
31set(FIDO_MAJOR "1")
32set(FIDO_MINOR "14")
33set(FIDO_PATCH "0")
34set(FIDO_VERSION ${FIDO_MAJOR}.${FIDO_MINOR}.${FIDO_PATCH})
35
36option(BUILD_TESTS       "Build the regress tests"                 ON)
37option(BUILD_EXAMPLES    "Build example programs"                  ON)
38option(BUILD_MANPAGES    "Build man pages"                         ON)
39option(BUILD_SHARED_LIBS "Build a shared library"                  ON)
40option(BUILD_STATIC_LIBS "Build a static library"                  ON)
41option(BUILD_TOOLS       "Build tool programs"                     ON)
42option(FUZZ              "Enable fuzzing instrumentation"          OFF)
43option(USE_HIDAPI        "Use hidapi as the HID backend"           OFF)
44option(USE_PCSC          "Enable experimental PCSC support"        OFF)
45option(USE_WINHELLO      "Abstract Windows Hello as a FIDO device" ON)
46option(NFC_LINUX         "Enable NFC support on Linux"             ON)
47
48add_definitions(-D_FIDO_MAJOR=${FIDO_MAJOR})
49add_definitions(-D_FIDO_MINOR=${FIDO_MINOR})
50add_definitions(-D_FIDO_PATCH=${FIDO_PATCH})
51
52if(BUILD_SHARED_LIBS)
53	set(_FIDO2_LIBRARY fido2_shared)
54elseif(BUILD_STATIC_LIBS)
55	set(_FIDO2_LIBRARY fido2)
56else()
57	message(FATAL_ERROR "Nothing to build (BUILD_*_LIBS=OFF)")
58endif()
59
60if(CYGWIN OR MSYS OR MINGW)
61	set(WIN32 1)
62endif()
63
64if(WIN32)
65	add_definitions(-DWIN32_LEAN_AND_MEAN -D_WIN32_WINNT=0x0600)
66endif()
67
68if(APPLE)
69	set(CMAKE_INSTALL_NAME_DIR
70	    "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}")
71endif()
72
73if(NOT MSVC)
74	set(FIDO_CFLAGS "${FIDO_CFLAGS} -D_POSIX_C_SOURCE=200809L")
75	set(FIDO_CFLAGS "${FIDO_CFLAGS} -D_BSD_SOURCE")
76	if(APPLE)
77		set(FIDO_CFLAGS "${FIDO_CFLAGS} -D_DARWIN_C_SOURCE")
78		set(FIDO_CFLAGS "${FIDO_CFLAGS} -D__STDC_WANT_LIB_EXT1__=1")
79	elseif((CMAKE_SYSTEM_NAME STREQUAL "Linux") OR MINGW OR CYGWIN)
80		set(FIDO_CFLAGS "${FIDO_CFLAGS} -D_GNU_SOURCE")
81		set(FIDO_CFLAGS "${FIDO_CFLAGS} -D_DEFAULT_SOURCE")
82	elseif(CMAKE_SYSTEM_NAME STREQUAL "FreeBSD" OR
83	    CMAKE_SYSTEM_NAME STREQUAL "MidnightBSD")
84		set(FIDO_CFLAGS "${FIDO_CFLAGS} -D__BSD_VISIBLE=1")
85	elseif(CMAKE_SYSTEM_NAME STREQUAL "NetBSD")
86		set(FIDO_CFLAGS "${FIDO_CFLAGS} -D_NETBSD_SOURCE")
87	endif()
88	set(FIDO_CFLAGS "${FIDO_CFLAGS} -std=c99")
89	set(CMAKE_C_FLAGS "${FIDO_CFLAGS} ${CMAKE_C_FLAGS}")
90endif()
91
92check_c_compiler_flag("-Wshorten-64-to-32" HAVE_SHORTEN_64_TO_32)
93check_c_compiler_flag("-Werror -fstack-protector-all" HAVE_STACK_PROTECTOR_ALL)
94
95check_include_files(cbor.h HAVE_CBOR_H)
96check_include_files(endian.h HAVE_ENDIAN_H)
97check_include_files(err.h HAVE_ERR_H)
98check_include_files(openssl/opensslv.h HAVE_OPENSSLV_H)
99check_include_files(signal.h HAVE_SIGNAL_H)
100check_include_files(sys/random.h HAVE_SYS_RANDOM_H)
101check_include_files(unistd.h HAVE_UNISTD_H)
102
103check_symbol_exists(arc4random_buf stdlib.h HAVE_ARC4RANDOM_BUF)
104check_symbol_exists(asprintf stdio.h HAVE_ASPRINTF)
105check_symbol_exists(clock_gettime time.h HAVE_CLOCK_GETTIME)
106check_symbol_exists(explicit_bzero string.h HAVE_EXPLICIT_BZERO)
107check_symbol_exists(freezero stdlib.h HAVE_FREEZERO)
108check_symbol_exists(getline stdio.h HAVE_GETLINE)
109check_symbol_exists(getopt unistd.h HAVE_GETOPT)
110check_symbol_exists(getpagesize unistd.h HAVE_GETPAGESIZE)
111check_symbol_exists(getrandom sys/random.h HAVE_GETRANDOM)
112check_symbol_exists(memset_s string.h HAVE_MEMSET_S)
113check_symbol_exists(readpassphrase readpassphrase.h HAVE_READPASSPHRASE)
114check_symbol_exists(recallocarray stdlib.h HAVE_RECALLOCARRAY)
115check_symbol_exists(strlcat string.h HAVE_STRLCAT)
116check_symbol_exists(strlcpy string.h HAVE_STRLCPY)
117check_symbol_exists(strsep string.h HAVE_STRSEP)
118check_symbol_exists(sysconf unistd.h HAVE_SYSCONF)
119check_symbol_exists(timespecsub sys/time.h HAVE_TIMESPECSUB)
120check_symbol_exists(timingsafe_bcmp string.h HAVE_TIMINGSAFE_BCMP)
121
122set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
123try_compile(HAVE_POSIX_IOCTL
124    "${CMAKE_CURRENT_BINARY_DIR}/posix_ioctl_check.o"
125    "${CMAKE_CURRENT_SOURCE_DIR}/openbsd-compat/posix_ioctl_check.c"
126    COMPILE_DEFINITIONS "-Werror -Woverflow -Wsign-conversion")
127
128list(APPEND CHECK_VARIABLES
129	HAVE_ARC4RANDOM_BUF
130	HAVE_ASPRINTF
131	HAVE_CBOR_H
132	HAVE_CLOCK_GETTIME
133	HAVE_ENDIAN_H
134	HAVE_ERR_H
135	HAVE_FREEZERO
136	HAVE_GETLINE
137	HAVE_GETOPT
138	HAVE_GETPAGESIZE
139	HAVE_GETRANDOM
140	HAVE_MEMSET_S
141	HAVE_OPENSSLV_H
142	HAVE_POSIX_IOCTL
143	HAVE_READPASSPHRASE
144	HAVE_RECALLOCARRAY
145	HAVE_SIGNAL_H
146	HAVE_STRLCAT
147	HAVE_STRLCPY
148	HAVE_STRSEP
149	HAVE_SYSCONF
150	HAVE_SYS_RANDOM_H
151	HAVE_TIMESPECSUB
152	HAVE_TIMINGSAFE_BCMP
153	HAVE_UNISTD_H
154)
155
156foreach(v ${CHECK_VARIABLES})
157	if (${v})
158		add_definitions(-D${v})
159	endif()
160endforeach()
161
162if(HAVE_EXPLICIT_BZERO AND NOT FUZZ)
163	add_definitions(-DHAVE_EXPLICIT_BZERO)
164endif()
165
166if(UNIX)
167	add_definitions(-DHAVE_DEV_URANDOM)
168endif()
169
170
171if(MSVC)
172	if((NOT CBOR_INCLUDE_DIRS) OR (NOT CBOR_LIBRARY_DIRS) OR
173	   (NOT CRYPTO_INCLUDE_DIRS) OR (NOT CRYPTO_LIBRARY_DIRS) OR
174	   (NOT ZLIB_INCLUDE_DIRS) OR (NOT ZLIB_LIBRARY_DIRS))
175		message(FATAL_ERROR "please define "
176		   "{CBOR,CRYPTO,ZLIB}_{INCLUDE,LIBRARY}_DIRS when "
177		   "building under msvc")
178	endif()
179	if(BUILD_TESTS AND BUILD_SHARED_LIBS AND
180	   ((NOT CBOR_BIN_DIRS) OR (NOT ZLIB_BIN_DIRS) OR (NOT CRYPTO_BIN_DIRS)))
181		message(FATAL_ERROR "please define {CBOR,CRYPTO,ZLIB}_BIN_DIRS "
182		   "when building tests")
183	endif()
184	if(NOT CBOR_LIBRARIES)
185		set(CBOR_LIBRARIES cbor)
186	endif()
187	if(NOT ZLIB_LIBRARIES)
188		set(ZLIB_LIBRARIES zlib1)
189	endif()
190	if(NOT CRYPTO_LIBRARIES)
191		set(CRYPTO_LIBRARIES crypto)
192	endif()
193
194	set(MSVC_DISABLED_WARNINGS_LIST
195		"C4152" # nonstandard extension used: function/data pointer
196			# conversion in expression;
197		"C4200" # nonstandard extension used: zero-sized array in
198			# struct/union;
199		"C4201" # nonstandard extension used: nameless struct/union;
200		"C4204" # nonstandard extension used: non-constant aggregate
201			# initializer;
202		"C4706" # assignment within conditional expression;
203		"C4996" # The POSIX name for this item is deprecated. Instead,
204			# use the ISO C and C++ conformant name;
205		"C6287" # redundant code: the left and right subexpressions are identical
206		)
207	# The construction in the following 3 lines was taken from LibreSSL's
208	# CMakeLists.txt.
209	string(REPLACE "C" " -wd" MSVC_DISABLED_WARNINGS_STR
210	    ${MSVC_DISABLED_WARNINGS_LIST})
211	string(REGEX REPLACE "[/-]W[1234][ ]?" "" CMAKE_C_FLAGS ${CMAKE_C_FLAGS})
212	set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -MP -W4 -WX ${MSVC_DISABLED_WARNINGS_STR}")
213	set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} /Od /Z7 /guard:cf /sdl /RTCcsu")
214	set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} /Zi /guard:cf /sdl")
215	if(USE_WINHELLO)
216		add_definitions(-DUSE_WINHELLO)
217	endif()
218	set(NFC_LINUX OFF)
219else()
220	include(FindPkgConfig)
221	pkg_search_module(CBOR libcbor)
222	pkg_search_module(CRYPTO libcrypto)
223	pkg_search_module(ZLIB zlib)
224
225	if(NOT CBOR_FOUND AND NOT HAVE_CBOR_H)
226		message(FATAL_ERROR "could not find libcbor")
227	endif()
228	if(NOT CRYPTO_FOUND AND NOT HAVE_OPENSSLV_H)
229		message(FATAL_ERROR "could not find libcrypto")
230	endif()
231	if(NOT ZLIB_FOUND)
232		message(FATAL_ERROR "could not find zlib")
233	endif()
234
235	if(NOT CBOR_LIBRARIES)
236		set(CBOR_LIBRARIES "cbor")
237	endif()
238	if(NOT CRYPTO_LIBRARIES)
239		set(CRYPTO_LIBRARIES "crypto")
240	endif()
241
242	if(CMAKE_SYSTEM_NAME STREQUAL "Linux")
243		pkg_search_module(UDEV libudev REQUIRED)
244		set(UDEV_NAME "udev")
245		# If using hidapi, use hidapi-hidraw.
246		set(HIDAPI_SUFFIX -hidraw)
247		if(NOT HAVE_CLOCK_GETTIME)
248			# Look for clock_gettime in librt.
249			check_library_exists(rt clock_gettime "time.h"
250			    HAVE_CLOCK_GETTIME)
251			if (HAVE_CLOCK_GETTIME)
252				add_definitions(-DHAVE_CLOCK_GETTIME)
253				set(BASE_LIBRARIES ${BASE_LIBRARIES} rt)
254			endif()
255		endif()
256	else()
257		set(NFC_LINUX OFF)
258	endif()
259
260	if(MINGW)
261		# MinGW is stuck with a flavour of C89.
262		add_definitions(-DFIDO_NO_DIAGNOSTIC)
263		add_definitions(-DWC_ERR_INVALID_CHARS=0x80)
264		add_compile_options(-Wno-unused-parameter)
265	endif()
266
267	if(FUZZ)
268		set(USE_PCSC ON)
269		add_definitions(-DFIDO_FUZZ)
270	endif()
271
272	# If building with PCSC, look for pcsc-lite.
273	if(USE_PCSC AND NOT (APPLE OR CYGWIN OR MSYS OR MINGW))
274		pkg_search_module(PCSC libpcsclite REQUIRED)
275		set(PCSC_LIBRARIES pcsclite)
276	endif()
277
278	if(USE_HIDAPI)
279		add_definitions(-DUSE_HIDAPI)
280		pkg_search_module(HIDAPI hidapi${HIDAPI_SUFFIX} REQUIRED)
281		set(HIDAPI_LIBRARIES hidapi${HIDAPI_SUFFIX})
282	endif()
283
284	if(NFC_LINUX)
285		add_definitions(-DUSE_NFC)
286	endif()
287
288	if(WIN32)
289		if(USE_WINHELLO)
290			add_definitions(-DUSE_WINHELLO)
291		endif()
292	else()
293		set(USE_WINHELLO OFF)
294	endif()
295
296	add_compile_options(-Wall)
297	add_compile_options(-Wextra)
298	add_compile_options(-Werror)
299	add_compile_options(-Wshadow)
300	add_compile_options(-Wcast-qual)
301	add_compile_options(-Wwrite-strings)
302	add_compile_options(-Wmissing-prototypes)
303	add_compile_options(-Wbad-function-cast)
304	add_compile_options(-Wimplicit-fallthrough)
305	add_compile_options(-pedantic)
306	add_compile_options(-pedantic-errors)
307
308	set(EXTRA_CFLAGS "-Wconversion -Wsign-conversion")
309
310	if(WIN32)
311		add_compile_options(-Wno-type-limits)
312		add_compile_options(-Wno-cast-function-type)
313	endif()
314
315	if(HAVE_SHORTEN_64_TO_32)
316		add_compile_options(-Wshorten-64-to-32)
317	endif()
318
319	if(HAVE_STACK_PROTECTOR_ALL)
320		add_compile_options(-fstack-protector-all)
321	endif()
322
323	set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -g2")
324	set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -fno-omit-frame-pointer")
325	set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -D_FORTIFY_SOURCE=2")
326
327	if(CRYPTO_VERSION VERSION_GREATER_EQUAL 3.0)
328		add_definitions(-DOPENSSL_API_COMPAT=0x10100000L)
329	endif()
330
331	if(NOT FUZZ)
332		set(EXTRA_CFLAGS "${EXTRA_CFLAGS} -Wframe-larger-than=2047")
333	endif()
334endif()
335
336# Avoid https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66425
337if(CMAKE_COMPILER_IS_GNUCC)
338	add_compile_options(-Wno-unused-result)
339endif()
340
341# Decide which keyword to use for thread-local storage.
342if(CMAKE_COMPILER_IS_GNUCC OR
343   CMAKE_C_COMPILER_ID STREQUAL "Clang" OR
344   CMAKE_C_COMPILER_ID STREQUAL "AppleClang")
345	set(TLS "__thread")
346elseif(WIN32)
347	set(TLS "__declspec(thread)")
348endif()
349add_definitions(-DTLS=${TLS})
350
351if(USE_PCSC)
352	add_definitions(-DUSE_PCSC)
353endif()
354
355# export list
356if(APPLE AND (CMAKE_C_COMPILER_ID STREQUAL "Clang" OR
357   CMAKE_C_COMPILER_ID STREQUAL "AppleClang"))
358	# clang + lld
359	string(CONCAT CMAKE_SHARED_LINKER_FLAGS ${CMAKE_SHARED_LINKER_FLAGS}
360	    " -exported_symbols_list ${CMAKE_CURRENT_SOURCE_DIR}/src/export.llvm")
361elseif(NOT MSVC)
362	# clang/gcc + gnu ld
363	if(FUZZ)
364		string(CONCAT CMAKE_SHARED_LINKER_FLAGS ${CMAKE_SHARED_LINKER_FLAGS}
365		    " -Wl,--version-script=${CMAKE_CURRENT_SOURCE_DIR}/fuzz/export.gnu")
366	else()
367		string(CONCAT CMAKE_SHARED_LINKER_FLAGS ${CMAKE_SHARED_LINKER_FLAGS}
368		    " -Wl,--version-script=${CMAKE_CURRENT_SOURCE_DIR}/src/export.gnu")
369	endif()
370	if(NOT WIN32)
371		string(CONCAT CMAKE_SHARED_LINKER_FLAGS
372		    ${CMAKE_SHARED_LINKER_FLAGS}
373		    " -Wl,-z,noexecstack -Wl,-z,relro,-z,now")
374		string(CONCAT CMAKE_EXE_LINKER_FLAGS
375		    ${CMAKE_EXE_LINKER_FLAGS}
376		    " -Wl,-z,noexecstack -Wl,-z,relro,-z,now")
377		if(FUZZ)
378			file(STRINGS fuzz/wrapped.sym WRAPPED_SYMBOLS)
379			foreach(s ${WRAPPED_SYMBOLS})
380				string(CONCAT CMAKE_SHARED_LINKER_FLAGS
381				    ${CMAKE_SHARED_LINKER_FLAGS}
382				    " -Wl,--wrap=${s}")
383			endforeach()
384		endif()
385	endif()
386else()
387	string(CONCAT CMAKE_SHARED_LINKER_FLAGS ${CMAKE_SHARED_LINKER_FLAGS}
388	    " /def:\"${CMAKE_CURRENT_SOURCE_DIR}/src/export.msvc\"")
389endif()
390
391include_directories(${PROJECT_SOURCE_DIR}/src)
392include_directories(${CBOR_INCLUDE_DIRS})
393include_directories(${CRYPTO_INCLUDE_DIRS})
394include_directories(${HIDAPI_INCLUDE_DIRS})
395include_directories(${PCSC_INCLUDE_DIRS})
396include_directories(${UDEV_INCLUDE_DIRS})
397include_directories(${ZLIB_INCLUDE_DIRS})
398
399link_directories(${CBOR_LIBRARY_DIRS})
400link_directories(${CRYPTO_LIBRARY_DIRS})
401link_directories(${HIDAPI_LIBRARY_DIRS})
402link_directories(${PCSC_LIBRARY_DIRS})
403link_directories(${UDEV_LIBRARY_DIRS})
404link_directories(${ZLIB_LIBRARY_DIRS})
405
406message(STATUS "BASE_LIBRARIES: ${BASE_LIBRARIES}")
407message(STATUS "BUILD_EXAMPLES: ${BUILD_EXAMPLES}")
408message(STATUS "BUILD_MANPAGES: ${BUILD_MANPAGES}")
409message(STATUS "BUILD_SHARED_LIBS: ${BUILD_SHARED_LIBS}")
410message(STATUS "BUILD_STATIC_LIBS: ${BUILD_STATIC_LIBS}")
411message(STATUS "BUILD_TOOLS: ${BUILD_TOOLS}")
412message(STATUS "CBOR_INCLUDE_DIRS: ${CBOR_INCLUDE_DIRS}")
413message(STATUS "CBOR_LIBRARIES: ${CBOR_LIBRARIES}")
414message(STATUS "CBOR_LIBRARY_DIRS: ${CBOR_LIBRARY_DIRS}")
415if(BUILD_TESTS)
416	message(STATUS "CBOR_BIN_DIRS: ${CBOR_BIN_DIRS}")
417endif()
418message(STATUS "CBOR_VERSION: ${CBOR_VERSION}")
419message(STATUS "CMAKE_BUILD_TYPE: ${CMAKE_BUILD_TYPE}")
420message(STATUS "CMAKE_C_COMPILER: ${CMAKE_C_COMPILER}")
421message(STATUS "CMAKE_C_COMPILER_ID: ${CMAKE_C_COMPILER_ID}")
422message(STATUS "CMAKE_C_FLAGS: ${CMAKE_C_FLAGS}")
423message(STATUS "CMAKE_CROSSCOMPILING: ${CMAKE_CROSSCOMPILING}")
424message(STATUS "CMAKE_GENERATOR_PLATFORM: ${CMAKE_GENERATOR_PLATFORM}")
425message(STATUS "CMAKE_HOST_SYSTEM_NAME: ${CMAKE_HOST_SYSTEM_NAME}")
426message(STATUS "CMAKE_HOST_SYSTEM_PROCESSOR: ${CMAKE_HOST_SYSTEM_PROCESSOR}")
427message(STATUS "CMAKE_INSTALL_LIBDIR: ${CMAKE_INSTALL_LIBDIR}")
428message(STATUS "CMAKE_INSTALL_PREFIX: ${CMAKE_INSTALL_PREFIX}")
429message(STATUS "CMAKE_SYSTEM_NAME: ${CMAKE_SYSTEM_NAME}")
430message(STATUS "CMAKE_SYSTEM_PROCESSOR: ${CMAKE_SYSTEM_PROCESSOR}")
431message(STATUS "CMAKE_SYSTEM_VERSION: ${CMAKE_SYSTEM_VERSION}")
432message(STATUS "CRYPTO_INCLUDE_DIRS: ${CRYPTO_INCLUDE_DIRS}")
433message(STATUS "CRYPTO_LIBRARIES: ${CRYPTO_LIBRARIES}")
434message(STATUS "CRYPTO_LIBRARY_DIRS: ${CRYPTO_LIBRARY_DIRS}")
435if(BUILD_TESTS)
436	message(STATUS "CRYPTO_BIN_DIRS: ${CRYPTO_BIN_DIRS}")
437endif()
438message(STATUS "CRYPTO_VERSION: ${CRYPTO_VERSION}")
439message(STATUS "FIDO_VERSION: ${FIDO_VERSION}")
440message(STATUS "FUZZ: ${FUZZ}")
441if(FUZZ)
442	message(STATUS "FUZZ_LDFLAGS: ${FUZZ_LDFLAGS}")
443endif()
444message(STATUS "ZLIB_INCLUDE_DIRS: ${ZLIB_INCLUDE_DIRS}")
445message(STATUS "ZLIB_LIBRARIES: ${ZLIB_LIBRARIES}")
446message(STATUS "ZLIB_LIBRARY_DIRS: ${ZLIB_LIBRARY_DIRS}")
447if(BUILD_TESTS)
448	message(STATUS "ZLIB_BIN_DIRS: ${ZLIB_BIN_DIRS}")
449endif()
450message(STATUS "ZLIB_VERSION: ${ZLIB_VERSION}")
451if(USE_HIDAPI)
452	message(STATUS "HIDAPI_INCLUDE_DIRS: ${HIDAPI_INCLUDE_DIRS}")
453	message(STATUS "HIDAPI_LIBRARIES: ${HIDAPI_LIBRARIES}")
454	message(STATUS "HIDAPI_LIBRARY_DIRS: ${HIDAPI_LIBRARY_DIRS}")
455	message(STATUS "HIDAPI_VERSION: ${HIDAPI_VERSION}")
456endif()
457message(STATUS "PCSC_INCLUDE_DIRS: ${PCSC_INCLUDE_DIRS}")
458message(STATUS "PCSC_LIBRARIES: ${PCSC_LIBRARIES}")
459message(STATUS "PCSC_LIBRARY_DIRS: ${PCSC_LIBRARY_DIRS}")
460message(STATUS "PCSC_VERSION: ${PCSC_VERSION}")
461message(STATUS "TLS: ${TLS}")
462message(STATUS "UDEV_INCLUDE_DIRS: ${UDEV_INCLUDE_DIRS}")
463message(STATUS "UDEV_LIBRARIES: ${UDEV_LIBRARIES}")
464message(STATUS "UDEV_LIBRARY_DIRS: ${UDEV_LIBRARY_DIRS}")
465message(STATUS "UDEV_RULES_DIR: ${UDEV_RULES_DIR}")
466message(STATUS "UDEV_VERSION: ${UDEV_VERSION}")
467message(STATUS "USE_HIDAPI: ${USE_HIDAPI}")
468message(STATUS "USE_PCSC: ${USE_PCSC}")
469message(STATUS "USE_WINHELLO: ${USE_WINHELLO}")
470message(STATUS "NFC_LINUX: ${NFC_LINUX}")
471
472if(BUILD_TESTS)
473	enable_testing()
474endif()
475
476add_subdirectory(src)
477
478if(BUILD_TESTS)
479	add_subdirectory(regress)
480endif()
481if(BUILD_EXAMPLES)
482	add_subdirectory(examples)
483endif()
484if(BUILD_TOOLS)
485	add_subdirectory(tools)
486endif()
487if(BUILD_MANPAGES)
488	add_subdirectory(man)
489endif()
490
491if(NOT WIN32)
492	if(FUZZ)
493		add_subdirectory(fuzz)
494	endif()
495	if(CMAKE_SYSTEM_NAME STREQUAL "Linux")
496		add_subdirectory(udev)
497	endif()
498endif()
499