CMakeLists.txt revision 966c52fc
1# Copyright (c) 2017 - 2020 LiteSpeed Technologies Inc. See LICENSE. 2cmake_minimum_required(VERSION 2.8) 3 4 5PROJECT(lsquic C) 6 7OPTION(LSQUIC_FIU "Use Fault Injection in Userspace (FIU)" OFF) 8OPTION(LSQUIC_BIN "Compile example binaries that use the library" ON) 9OPTION(LSQUIC_TESTS "Compile library unit tests" ON) 10OPTION(LSQUIC_SHARED_LIB "Compile as shared librarry" OFF) 11 12INCLUDE(GNUInstallDirs) 13 14IF (CMAKE_SYSTEM_NAME STREQUAL "Linux") 15 # If using older glibc, need to link with -lrt. See clock_getres(2). 16 EXECUTE_PROCESS( 17 COMMAND ${PROJECT_SOURCE_DIR}/print-glibc-version.sh ${CMAKE_C_COMPILER} 18 OUTPUT_VARIABLE GLIBC_VERSION) 19 IF(NOT GLIBC_VERSION EQUAL "" AND GLIBC_VERSION VERSION_LESS 2.17) 20 SET(LIBS ${LIBS} rt) 21 ENDIF() 22ELSEIF (CMAKE_SYSTEM_NAME STREQUAL "Android") 23 # for android-ndk >= r19b 24 set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY "BOTH") 25 set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE "BOTH") 26 set(CMAKE_FIND_ROOT_PATH_MODE_PATH "BOTH") 27ENDIF() 28 29IF("${CMAKE_BUILD_TYPE}" STREQUAL "") 30 SET(CMAKE_BUILD_TYPE Debug) 31ENDIF() 32 33MESSAGE(STATUS "Build type: ${CMAKE_BUILD_TYPE}") 34 35IF (NOT "$ENV{EXTRA_CFLAGS}" MATCHES "-DLSQUIC_DEBUG_NEXT_ADV_TICK") 36 SET(MY_CMAKE_FLAGS "-DLSQUIC_DEBUG_NEXT_ADV_TICK=1") 37ENDIF() 38 39IF (NOT MSVC) 40 41SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -Wall -Wextra -Wno-unused-parameter") 42SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -fno-omit-frame-pointer") 43INCLUDE(CheckCCompilerFlag) 44CHECK_C_COMPILER_FLAG(-Wno-implicit-fallthrough HAS_NO_IMPLICIT_FALLTHROUGH) 45IF (HAS_NO_IMPLICIT_FALLTHROUGH) 46 SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -Wno-implicit-fallthrough") 47ENDIF() 48 49IF(CMAKE_COMPILER_IS_GNUCC AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.9.3) 50 SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -Wno-missing-field-initializers") 51ENDIF() 52 53IF(LSQUIC_FIU) 54 SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -DFIU_ENABLE=1") 55 SET(LIBS ${LIBS} fiu) 56ENDIF() 57 58IF(CMAKE_BUILD_TYPE STREQUAL "Debug") 59 SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -O0 -g3") 60 IF(CMAKE_C_COMPILER MATCHES "clang" AND 61 NOT "$ENV{TRAVIS}" MATCHES "^true$" AND 62 NOT "$ENV{EXTRA_CFLAGS}" MATCHES "-fsanitize") 63 SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -fsanitize=address") 64 SET(LIBS ${LIBS} -fsanitize=address) 65 ENDIF() 66 # Uncomment to enable cleartext protocol mode (no crypto): 67 #SET (MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -DLSQUIC_ENABLE_HANDSHAKE_DISABLE=1") 68ELSE() 69 SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -O3 -g0") 70 # Comment out the following line to compile out debug messages: 71 #SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -DLSQUIC_LOWEST_LOG_LEVEL=LSQ_LOG_INFO") 72ENDIF() 73 74IF(LSQUIC_PROFILE EQUAL 1) 75 SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -g -pg") 76ENDIF() 77 78IF(LSQUIC_COVERAGE EQUAL 1) 79 SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -fprofile-arcs -ftest-coverage") 80ENDIF() 81 82IF(MY_CMAKE_FLAGS MATCHES "fsanitize=address") 83 MESSAGE(STATUS "AddressSanitizer is ON") 84ELSE() 85 MESSAGE(STATUS "AddressSanitizer is OFF") 86ENDIF() 87 88#MSVC 89ELSE() 90SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} /wd4100") # unreferenced formal parameter 91SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} /wd4115") # unnamed type definition in parentheses 92SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} /wd4116") # named type definition in parentheses 93SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} /wd4146") # unary minus operator applied to unsigned type, result still unsigned 94SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} /wd4132") # const initialization 95SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} /wd4200") # zero-sized array 96SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} /wd4204") # non-constant aggregate initializer 97SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} /wd4244") # integer conversion 98SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} /wd4245") # conversion from 'int' to 'unsigned int', signed/unsigned mismatch 99SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} /wd4267") # integer conversion 100SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} /wd4214") # nonstandard extension used: bit field types other than int 101SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} /wd4295") # array is too small to include a terminating null character 102SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} /wd4334") # result of 32-bit shift implicitly converted to 64 bits (was 64-bit shift intended?) 103SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} /wd4456") # hide previous local declaration 104SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} /wd4459") # hide global declaration 105SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} /wd4706") # assignment within conditional expression 106SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -W4 -WX -Zi -DWIN32_LEAN_AND_MEAN -DNOMINMAX -D_CRT_SECURE_NO_WARNINGS -I${CMAKE_CURRENT_SOURCE_DIR}/wincompat") 107IF(CMAKE_BUILD_TYPE STREQUAL "Debug") 108 SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -Od") 109 #SET (MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -DFIU_ENABLE=1") 110 #SET(LIBS ${LIBS} fiu) 111ELSE() 112 SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -Ox") 113 # Comment out the following line to compile out debug messages: 114 #SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -DLSQUIC_LOWEST_LOG_LEVEL=LSQ_LOG_INFO") 115ENDIF() 116 117ENDIF() #MSVC 118 119set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${MY_CMAKE_FLAGS} $ENV{EXTRA_CFLAGS}") 120 121MESSAGE(STATUS "Compiler flags: ${CMAKE_C_FLAGS}") 122 123find_package(Perl) 124IF(NOT PERL_FOUND) 125 MESSAGE(FATAL_ERROR "Perl not found -- need it to generate source code") 126ENDIF() 127 128IF(LSQUIC_SHARED_LIB) 129 SET(LIB_SUFFIX .so) 130ELSE() 131 SET(LIB_SUFFIX .a) 132ENDIF() 133 134IF (NOT DEFINED BORINGSSL_INCLUDE AND DEFINED BORINGSSL_DIR) 135 FIND_PATH(BORINGSSL_INCLUDE NAMES openssl/ssl.h 136 PATHS ${BORINGSSL_DIR}/include 137 NO_DEFAULT_PATH) 138ENDIF() 139# This must be done before adding other include directories to take 140# precedence over header files from other SSL installs. 141 142IF (BORINGSSL_INCLUDE) 143 MESSAGE(STATUS "BoringSSL include directory ${BORINGSSL_INCLUDE}") 144 INCLUDE_DIRECTORIES(${BORINGSSL_INCLUDE}) 145ELSE() 146 MESSAGE(FATAL_ERROR "BoringSSL headers not found") 147ENDIF() 148 149IF (NOT DEFINED BORINGSSL_LIB AND DEFINED BORINGSSL_DIR) 150 FOREACH(LIB_NAME ssl crypto decrepit) 151 IF (CMAKE_SYSTEM_NAME STREQUAL Windows) 152 FIND_LIBRARY(BORINGSSL_LIB_${LIB_NAME} 153 NAMES ${LIB_NAME} 154 PATHS ${BORINGSSL_DIR}/${LIB_NAME} 155 PATH_SUFFIXES Debug Release MinSizeRel RelWithDebInfo 156 NO_DEFAULT_PATH) 157 ELSE() 158 FIND_LIBRARY(BORINGSSL_LIB_${LIB_NAME} 159 NAMES lib${LIB_NAME}${LIB_SUFFIX} 160 PATHS ${BORINGSSL_DIR}/${LIB_NAME} 161 NO_DEFAULT_PATH) 162 ENDIF() 163 IF(BORINGSSL_LIB_${LIB_NAME}) 164 MESSAGE(STATUS "Found ${LIB_NAME} library: ${BORINGSSL_LIB_${LIB_NAME}}") 165 ELSE() 166 MESSAGE(STATUS "${LIB_NAME} library not found") 167 ENDIF() 168 ENDFOREACH() 169 170ELSE() 171 172 173 FOREACH(LIB_NAME ssl crypto decrepit) 174 IF (CMAKE_SYSTEM_NAME STREQUAL Windows) 175 FIND_LIBRARY(BORINGSSL_LIB_${LIB_NAME} 176 NAMES ${LIB_NAME} 177 PATHS ${BORINGSSL_LIB} 178 PATH_SUFFIXES Debug Release MinSizeRel RelWithDebInfo 179 NO_DEFAULT_PATH) 180 ELSE() 181 FIND_LIBRARY(BORINGSSL_LIB_${LIB_NAME} 182 NAMES lib${LIB_NAME}${LIB_SUFFIX} 183 PATHS ${BORINGSSL_LIB} 184 PATH_SUFFIXES ${LIB_NAME} 185 NO_DEFAULT_PATH) 186 ENDIF() 187 IF(BORINGSSL_LIB_${LIB_NAME}) 188 MESSAGE(STATUS "Found ${BORINGSSL_LIB} library: ${BORINGSSL_LIB_${LIB_NAME}}") 189 ELSE() 190 MESSAGE(STATUS "${BORINGSSL_LIB} library not found") 191 ENDIF() 192 ENDFOREACH() 193 194ENDIF() 195 196SET(CMAKE_INCLUDE_CURRENT_DIR ON) 197INCLUDE_DIRECTORIES(include) 198IF(CMAKE_SYSTEM_NAME STREQUAL "FreeBSD" OR CMAKE_SYSTEM_NAME STREQUAL "Darwin") 199 # Find libevent on FreeBSD: 200 include_directories( /usr/local/include ) 201 link_directories( /usr/local/lib ) 202ENDIF() 203 204# Find zlib and libevent header files and library files 205# TODO: libevent is not strictly necessary to build the library. 206FIND_PATH(ZLIB_INCLUDE_DIR NAMES zlib.h) 207IF (ZLIB_INCLUDE_DIR) 208 INCLUDE_DIRECTORIES(${ZLIB_INCLUDE_DIR}) 209ELSE() 210 MESSAGE(FATAL_ERROR "zlib.h was not found") 211ENDIF() 212IF (CMAKE_SYSTEM_NAME STREQUAL Windows) 213 FIND_LIBRARY(ZLIB_LIB zlib) 214ELSEIF(CMAKE_SYSTEM_NAME STREQUAL Darwin) 215 # XXX somehow FIND_LIBRARY() does not find zlib on Travis? 216 SET(ZLIB_LIB z) 217ELSE() 218 FIND_LIBRARY(ZLIB_LIB libz${LIB_SUFFIX}) 219ENDIF() 220IF(ZLIB_LIB) 221 MESSAGE(STATUS "Found zlib: ${ZLIB_LIB}") 222ELSE() 223 MESSAGE(STATUS "zlib not found") 224ENDIF() 225 226IF (LSQUIC_BIN OR LSQUIC_TESTS) 227FIND_PATH(EVENT_INCLUDE_DIR NAMES event2/event.h) 228IF (EVENT_INCLUDE_DIR) 229 INCLUDE_DIRECTORIES(${EVENT_INCLUDE_DIR}) 230ELSE() 231 MESSAGE(FATAL_ERROR "event2/event.h was not found") 232ENDIF() 233IF (CMAKE_SYSTEM_NAME STREQUAL Windows) 234 FIND_LIBRARY(EVENT_LIB event) 235ELSE() 236 FIND_LIBRARY(EVENT_LIB libevent${LIB_SUFFIX}) 237 IF(NOT EVENT_LIB) 238 FIND_LIBRARY(EVENT_LIB libevent.so) 239 ENDIF() 240ENDIF() 241IF(EVENT_LIB) 242 MESSAGE(STATUS "Found event: ${EVENT_LIB}") 243ELSE() 244 MESSAGE(STATUS "libevent not found") 245ENDIF() 246SET(LIBS lsquic ${EVENT_LIB} ${BORINGSSL_LIB_ssl} ${BORINGSSL_LIB_crypto} ${ZLIB_LIB} ${LIBS}) 247IF(MSVC) 248FIND_LIBRARY(PCRE_LIB pcre) 249IF(PCRE_LIB) 250 MESSAGE(STATUS "Found pcre: ${PCRE_LIB}") 251 LIST(APPEND LIBS ${PCRE_LIB}) 252ELSE() 253 MESSAGE(STATUS "pcre not found: http_server won't work") 254ENDIF() 255FIND_LIBRARY(PCREPOSIX_LIB pcreposix) 256IF(PCREPOSIX_LIB) 257 MESSAGE(STATUS "Found pcreposix: ${PCREPOSIX_LIB}") 258 LIST(APPEND LIBS ${PCREPOSIX_LIB}) 259ELSE() 260 MESSAGE(STATUS "pcreposix not found: http_server won't work") 261ENDIF() 262LIST(APPEND LIBS ws2_32) 263ENDIF() 264ENDIF() # LSQUIC_BIN OR LSQUIC_TESTS 265 266IF(LSQUIC_BIN) 267IF(MSVC) 268 SET(GETOPT_C wincompat/getopt.c) 269ENDIF() 270add_executable(http_server bin/http_server.c bin/prog.c bin/test_common.c bin/test_cert.c ${GETOPT_C}) 271IF(NOT MSVC) # TODO: port MD5 server and client to Windows 272add_executable(md5_server bin/md5_server.c bin/prog.c bin/test_common.c bin/test_cert.c ${GETOPT_C}) 273add_executable(md5_client bin/md5_client.c bin/prog.c bin/test_common.c bin/test_cert.c ${GETOPT_C}) 274ENDIF() 275add_executable(echo_server bin/echo_server.c bin/prog.c bin/test_common.c bin/test_cert.c ${GETOPT_C}) 276add_executable(echo_client bin/echo_client.c bin/prog.c bin/test_common.c bin/test_cert.c ${GETOPT_C}) 277add_executable(duck_server bin/duck_server.c bin/prog.c bin/test_common.c bin/test_cert.c ${GETOPT_C}) 278add_executable(duck_client bin/duck_client.c bin/prog.c bin/test_common.c bin/test_cert.c ${GETOPT_C}) 279 280 281IF (NOT MSVC) 282 283add_executable(http_client 284 bin/http_client.c 285 bin/prog.c 286 bin/test_common.c 287 bin/test_cert.c 288) 289LIST(APPEND LIBS pthread m) 290 291#MSVC 292ELSE() 293 294add_executable(http_client 295 bin/http_client.c 296 bin/prog.c 297 bin/test_common.c 298 bin/test_cert.c 299 wincompat/getopt.c 300 wincompat/getopt1.c 301) 302LIST(APPEND LIBS ws2_32) 303 304ENDIF() 305 306TARGET_LINK_LIBRARIES(http_client ${LIBS}) 307TARGET_LINK_LIBRARIES(http_server ${LIBS}) 308IF(NOT MSVC) 309TARGET_LINK_LIBRARIES(md5_server ${LIBS}) 310TARGET_LINK_LIBRARIES(md5_client ${LIBS}) 311ENDIF() 312TARGET_LINK_LIBRARIES(echo_server ${LIBS}) 313TARGET_LINK_LIBRARIES(echo_client ${LIBS}) 314TARGET_LINK_LIBRARIES(duck_server ${LIBS}) 315TARGET_LINK_LIBRARIES(duck_client ${LIBS}) 316 317add_subdirectory(bin) 318ENDIF() # LSQUIC_BIN 319 320add_subdirectory(src) 321 322IF(LSQUIC_TESTS AND CMAKE_BUILD_TYPE STREQUAL "Debug") 323 # Our test framework relies on assertions, only compile if assertions are 324 # enabled. 325 # 326 enable_testing() 327 add_subdirectory(tests) 328ENDIF() 329 330 331FIND_PROGRAM(SPHINX NAMES sphinx-build) 332IF(SPHINX) 333 ADD_CUSTOM_TARGET(docs 334 ${SPHINX} -b html 335 docs 336 docs/_build 337 ) 338ELSE() 339 MESSAGE(STATUS "sphinx-build not found: docs won't be made") 340ENDIF() 341 342INSTALL(FILES 343 include/lsquic.h 344 include/lsquic_types.h 345 include/lsxpack_header.h 346 DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/lsquic 347) 348