CMakeLists.txt revision 03e6b668 
1# Copyright (c) 2017 - 2019 LiteSpeed Technologies Inc.  See LICENSE.
2cmake_minimum_required(VERSION 2.8)
3
4
5PROJECT(lsquic C)
6
7IF (CMAKE_SYSTEM_NAME STREQUAL "Linux")
8    # If using older glibc, need to link with -lrt.  See clock_getres(2).
9    EXECUTE_PROCESS(
10        COMMAND ${PROJECT_SOURCE_DIR}/print-glibc-version.sh ${CMAKE_C_COMPILER}
11        OUTPUT_VARIABLE GLIBC_VERSION)
12    IF(NOT GLIBC_VERSION EQUAL "" AND GLIBC_VERSION VERSION_LESS 2.17)
13        SET(LIBS ${LIBS} rt)
14    ENDIF()
15ENDIF()
16
17IF("${CMAKE_BUILD_TYPE}" STREQUAL "")
18    SET(CMAKE_BUILD_TYPE Debug)
19ENDIF()
20
21MESSAGE(STATUS "Build type: ${CMAKE_BUILD_TYPE}")
22
23OPTION(LSQUIC_FIU "Use Fault Injection in Userspace (FIU)" OFF)
24
25IF (NOT "$ENV{EXTRA_CFLAGS}" MATCHES "-DLSQUIC_DEBUG_NEXT_ADV_TICK")
26    SET(MY_CMAKE_FLAGS "-DLSQUIC_DEBUG_NEXT_ADV_TICK=1")
27ENDIF()
28
29IF (NOT MSVC)
30
31SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -Wall -Wextra -Wno-unused-parameter")
32SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -fno-omit-frame-pointer")
33INCLUDE(CheckCCompilerFlag)
34CHECK_C_COMPILER_FLAG(-Wno-implicit-fallthrough HAS_NO_IMPLICIT_FALLTHROUGH)
35IF (HAS_NO_IMPLICIT_FALLTHROUGH)
36    SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -Wno-implicit-fallthrough")
37ENDIF()
38
39IF(CMAKE_COMPILER_IS_GNUCC AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.9.3)
40    SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -Wno-missing-field-initializers")
41ENDIF()
42
43IF(LSQUIC_FIU)
44    SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -DFIU_ENABLE=1")
45    SET(LIBS ${LIBS} fiu)
46ENDIF()
47
48IF(CMAKE_BUILD_TYPE STREQUAL "Debug")
49    SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -O0 -g3")
50    SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -Werror")
51    IF(CMAKE_C_COMPILER MATCHES "clang" AND
52                        NOT "$ENV{TRAVIS}" MATCHES "^true$" AND
53                        NOT "$ENV{EXTRA_CFLAGS}" MATCHES "-fsanitize")
54        SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -fsanitize=address")
55    ENDIF()
56    # Uncomment to enable cleartext protocol mode (no crypto):
57    #SET (MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -DLSQUIC_ENABLE_HANDSHAKE_DISABLE=1")
58ELSE()
59    SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -O3 -g0")
60    # Comment out the following line to compile out debug messages:
61    #SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -DLSQUIC_LOWEST_LOG_LEVEL=LSQ_LOG_INFO")
62ENDIF()
63
64IF(LSQUIC_PROFILE EQUAL 1)
65    SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -g -pg")
66ENDIF()
67
68IF(LSQUIC_COVERAGE EQUAL 1)
69    SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -fprofile-arcs -ftest-coverage")
70ENDIF()
71
72IF(MY_CMAKE_FLAGS MATCHES "fsanitize=address")
73    MESSAGE(STATUS "AddressSanitizer is ON")
74ELSE()
75    MESSAGE(STATUS "AddressSanitizer is OFF")
76ENDIF()
77
78#MSVC
79ELSE()
80SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} /wd4214")	# nonstandard extension used: bit field types other than int
81SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -W4 -WX -Zi -DWIN32_LEAN_AND_MEAN -DNOMINMAX -D_CRT_SECURE_NO_WARNINGS -I${CMAKE_CURRENT_SOURCE_DIR}/wincompat")
82IF(CMAKE_BUILD_TYPE STREQUAL "Debug")
83    SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -Od")
84    #SET (MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -DFIU_ENABLE=1")
85    #SET(LIBS ${LIBS} fiu)
86ELSE()
87    SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -Ox")
88    # Comment out the following line to compile out debug messages:
89    #SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -DLSQUIC_LOWEST_LOG_LEVEL=LSQ_LOG_INFO")
90ENDIF()
91
92ENDIF() #MSVC
93
94set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}  ${MY_CMAKE_FLAGS} $ENV{EXTRA_CFLAGS}")
95
96MESSAGE(STATUS "Compiler flags: ${CMAKE_C_FLAGS}")
97
98IF (NOT DEFINED BORINGSSL_INCLUDE AND DEFINED BORINGSSL_DIR)
99    FIND_PATH(BORINGSSL_INCLUDE NAMES openssl/ssl.h
100                PATHS ${BORINGSSL_DIR}/include
101                NO_DEFAULT_PATH)
102ENDIF()
103# This must be done before adding other include directories to take
104# precedence over header files from other SSL installs.
105
106IF (BORINGSSL_INCLUDE)
107    MESSAGE(STATUS "BoringSSL include directory ${BORINGSSL_INCLUDE}")
108    INCLUDE_DIRECTORIES(${BORINGSSL_INCLUDE})
109ELSE()
110    MESSAGE(FATAL_ERROR "BoringSSL headers not found")
111ENDIF()
112
113IF (NOT DEFINED BORINGSSL_LIB AND DEFINED BORINGSSL_DIR)
114    FOREACH(LIB_NAME ssl crypto decrepit)
115        IF (CMAKE_SYSTEM_NAME STREQUAL Windows)
116            FIND_LIBRARY(BORINGSSL_LIB_${LIB_NAME}
117                NAMES ${LIB_NAME}
118                PATHS ${BORINGSSL_DIR}/${LIB_NAME}
119                PATH_SUFFIXES Debug Release MinSizeRel RelWithDebInfo
120                NO_DEFAULT_PATH)
121        ELSE()
122            FIND_LIBRARY(BORINGSSL_LIB_${LIB_NAME}
123                NAMES lib${LIB_NAME}.a
124                PATHS ${BORINGSSL_DIR}/${LIB_NAME}
125                NO_DEFAULT_PATH)
126        ENDIF()
127        IF(BORINGSSL_LIB_${LIB_NAME})
128            MESSAGE(STATUS "Found ${LIB_NAME} library: ${BORINGSSL_LIB_${LIB_NAME}}")
129        ELSE()
130            MESSAGE(STATUS "${LIB_NAME} library not found")
131        ENDIF()
132    ENDFOREACH()
133
134ELSE()
135
136
137    FOREACH(LIB_NAME ssl crypto decrepit)
138        IF (CMAKE_SYSTEM_NAME STREQUAL Windows)
139            FIND_LIBRARY(BORINGSSL_LIB_${LIB_NAME}
140                NAMES ${LIB_NAME}
141                PATHS ${BORINGSSL_LIB}
142                PATH_SUFFIXES Debug Release MinSizeRel RelWithDebInfo
143                NO_DEFAULT_PATH)
144        ELSE()
145            FIND_LIBRARY(BORINGSSL_LIB_${LIB_NAME}
146                NAMES lib${LIB_NAME}.a
147                PATHS ${BORINGSSL_LIB}
148                NO_DEFAULT_PATH)
149        ENDIF()
150        IF(BORINGSSL_LIB_${LIB_NAME})
151            MESSAGE(STATUS "Found ${BORINGSSL_LIB} library: ${BORINGSSL_LIB_${LIB_NAME}}")
152        ELSE()
153            MESSAGE(STATUS "${BORINGSSL_LIB} library not found")
154        ENDIF()
155    ENDFOREACH()
156#endif
157
158ENDIF()
159
160SET(CMAKE_INCLUDE_CURRENT_DIR ON)
161INCLUDE_DIRECTORIES(include src/lshpack)
162IF(CMAKE_SYSTEM_NAME STREQUAL "FreeBSD" OR CMAKE_SYSTEM_NAME STREQUAL "Darwin")
163    # Find libevent on FreeBSD:
164    include_directories( /usr/local/include )
165    link_directories( /usr/local/lib )
166ENDIF()
167
168# Find zlib and libevent header files and library files
169# TODO: libevent is not strictly necessary to build the library.
170FIND_PATH(ZLIB_INCLUDE_DIR NAMES zlib.h)
171IF (ZLIB_INCLUDE_DIR)
172    INCLUDE_DIRECTORIES(${ZLIB_INCLUDE_DIR})
173ELSE()
174    MESSAGE(FATAL_ERROR "zlib.h was not found")
175ENDIF()
176IF (CMAKE_SYSTEM_NAME STREQUAL Windows)
177    FIND_LIBRARY(ZLIB_LIB zlib)
178ELSEIF(CMAKE_SYSTEM_NAME STREQUAL Darwin)
179    # XXX somehow FIND_LIBRARY() does not find zlib on Travis?
180    SET(ZLIB_LIB z)
181ELSE()
182    FIND_LIBRARY(ZLIB_LIB libz.a)
183ENDIF()
184IF(ZLIB_LIB)
185    MESSAGE(STATUS "Found zlib: ${ZLIB_LIB}")
186ELSE()
187    MESSAGE(STATUS "zlib not found")
188ENDIF()
189FIND_PATH(EVENT_INCLUDE_DIR NAMES event2/event.h)
190IF (EVENT_INCLUDE_DIR)
191    INCLUDE_DIRECTORIES(${EVENT_INCLUDE_DIR})
192ELSE()
193    MESSAGE(FATAL_ERROR "event2/event.h was not found")
194ENDIF()
195IF (CMAKE_SYSTEM_NAME STREQUAL Windows)
196    FIND_LIBRARY(EVENT_LIB event)
197ELSE()
198    FIND_LIBRARY(EVENT_LIB libevent.a libevent.so)
199ENDIF()
200IF(EVENT_LIB)
201    MESSAGE(STATUS "Found event: ${EVENT_LIB}")
202ELSE()
203    MESSAGE(STATUS "libevent not found")
204ENDIF()
205
206add_executable(http_server test/http_server.c test/prog.c test/test_common.c test/test_cert.c)
207add_executable(md5_server test/md5_server.c test/prog.c test/test_common.c test/test_cert.c)
208add_executable(md5_client test/md5_client.c test/prog.c test/test_common.c test/test_cert.c)
209add_executable(echo_server test/echo_server.c test/prog.c test/test_common.c test/test_cert.c)
210add_executable(echo_client test/echo_client.c test/prog.c test/test_common.c test/test_cert.c)
211
212
213SET(LIBS lsquic ${EVENT_LIB} ${BORINGSSL_LIB_ssl} ${BORINGSSL_LIB_crypto} ${ZLIB_LIB} ${LIBS})
214
215IF (NOT MSVC)
216
217add_executable(http_client
218    test/http_client.c
219    test/prog.c
220    test/test_common.c
221    test/test_cert.c
222)
223LIST(APPEND LIBS pthread m)
224
225#MSVC
226ELSE()
227
228add_executable(http_client
229    test/http_client.c
230    test/prog.c
231    test/test_common.c
232    wincompat/getopt.c
233    wincompat/getopt1.c
234)
235LIST(APPEND LIBS ws2_32)
236
237ENDIF()
238
239TARGET_LINK_LIBRARIES(http_client ${LIBS})
240TARGET_LINK_LIBRARIES(http_server ${LIBS})
241TARGET_LINK_LIBRARIES(md5_server  ${LIBS})
242TARGET_LINK_LIBRARIES(md5_client  ${LIBS})
243TARGET_LINK_LIBRARIES(echo_server ${LIBS})
244TARGET_LINK_LIBRARIES(echo_client ${LIBS})
245
246add_subdirectory(src)
247
248add_subdirectory(test)
249
250IF(CMAKE_BUILD_TYPE STREQUAL "Debug")
251    # Our test framework relies on assertions, only compile if assertions are
252    # enabled.
253    #
254    enable_testing()
255ENDIF()
256
257
258ADD_CUSTOM_TARGET(docs doxygen dox.cfg)
259