CMakeLists.txt revision a0e1aeee 
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$")
53        SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -fsanitize=address")
54    ENDIF()
55    # Uncomment to enable cleartext protocol mode (no crypto):
56    #SET (MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -DLSQUIC_ENABLE_HANDSHAKE_DISABLE=1")
57ELSE()
58    SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -O3 -g0")
59    # Comment out the following line to compile out debug messages:
60    #SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -DLSQUIC_LOWEST_LOG_LEVEL=LSQ_LOG_INFO")
61ENDIF()
62
63IF(LSQUIC_PROFILE EQUAL 1)
64    SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -g -pg")
65ENDIF()
66
67IF(LSQUIC_COVERAGE EQUAL 1)
68    SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -fprofile-arcs -ftest-coverage")
69ENDIF()
70
71IF(MY_CMAKE_FLAGS MATCHES "fsanitize=address")
72    MESSAGE(STATUS "AddressSanitizer is ON")
73ELSE()
74    MESSAGE(STATUS "AddressSanitizer is OFF")
75ENDIF()
76
77#MSVC
78ELSE()
79SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} /wd4214")	# nonstandard extension used: bit field types other than int
80SET(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")
81IF(CMAKE_BUILD_TYPE STREQUAL "Debug")
82    SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -Od")
83    #SET (MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -DFIU_ENABLE=1")
84    #SET(LIBS ${LIBS} fiu)
85ELSE()
86    SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -Ox")
87    # Comment out the following line to compile out debug messages:
88    #SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -DLSQUIC_LOWEST_LOG_LEVEL=LSQ_LOG_INFO")
89ENDIF()
90
91ENDIF() #MSVC
92
93set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}  ${MY_CMAKE_FLAGS} $ENV{EXTRA_CFLAGS}")
94
95MESSAGE(STATUS "Compiler flags: ${CMAKE_C_FLAGS}")
96
97IF (NOT DEFINED BORINGSSL_INCLUDE AND DEFINED BORINGSSL_DIR)
98    FIND_PATH(BORINGSSL_INCLUDE NAMES openssl/ssl.h
99                PATHS ${BORINGSSL_DIR}/include
100                NO_DEFAULT_PATH)
101ENDIF()
102# This must be done before adding other include directories to take
103# precedence over header files from other SSL installs.
104
105IF (BORINGSSL_INCLUDE)
106    MESSAGE(STATUS "BoringSSL include directory ${BORINGSSL_INCLUDE}")
107    INCLUDE_DIRECTORIES(${BORINGSSL_INCLUDE})
108ELSE()
109    MESSAGE(FATAL_ERROR "BoringSSL headers not found")
110ENDIF()
111
112IF (NOT DEFINED BORINGSSL_LIB AND DEFINED BORINGSSL_DIR)
113    FOREACH(LIB_NAME ssl crypto decrepit)
114        IF (CMAKE_SYSTEM_NAME STREQUAL Windows)
115            FIND_LIBRARY(BORINGSSL_LIB_${LIB_NAME}
116                NAMES ${LIB_NAME}
117                PATHS ${BORINGSSL_DIR}/${LIB_NAME}
118                PATH_SUFFIXES Debug Release MinSizeRel RelWithDebInfo
119                NO_DEFAULT_PATH)
120        ELSE()
121            FIND_LIBRARY(BORINGSSL_LIB_${LIB_NAME}
122                NAMES lib${LIB_NAME}.a
123                PATHS ${BORINGSSL_DIR}/${LIB_NAME}
124                NO_DEFAULT_PATH)
125        ENDIF()
126        IF(BORINGSSL_LIB_${LIB_NAME})
127            MESSAGE(STATUS "Found ${LIB_NAME} library: ${BORINGSSL_LIB_${LIB_NAME}}")
128        ELSE()
129            MESSAGE(STATUS "${LIB_NAME} library not found")
130        ENDIF()
131    ENDFOREACH()
132
133ELSE()
134
135
136    FOREACH(LIB_NAME ssl crypto decrepit)
137        IF (CMAKE_SYSTEM_NAME STREQUAL Windows)
138            FIND_LIBRARY(BORINGSSL_LIB_${LIB_NAME}
139                NAMES ${LIB_NAME}
140                PATHS ${BORINGSSL_LIB}
141                PATH_SUFFIXES Debug Release MinSizeRel RelWithDebInfo
142                NO_DEFAULT_PATH)
143        ELSE()
144            FIND_LIBRARY(BORINGSSL_LIB_${LIB_NAME}
145                NAMES lib${LIB_NAME}.a
146                PATHS ${BORINGSSL_LIB}
147                NO_DEFAULT_PATH)
148        ENDIF()
149        IF(BORINGSSL_LIB_${LIB_NAME})
150            MESSAGE(STATUS "Found ${BORINGSSL_LIB} library: ${BORINGSSL_LIB_${LIB_NAME}}")
151        ELSE()
152            MESSAGE(STATUS "${BORINGSSL_LIB} library not found")
153        ENDIF()
154    ENDFOREACH()
155#endif
156
157ENDIF()
158
159SET(CMAKE_INCLUDE_CURRENT_DIR ON)
160INCLUDE_DIRECTORIES(include src/lshpack)
161IF(CMAKE_SYSTEM_NAME STREQUAL "FreeBSD" OR CMAKE_SYSTEM_NAME STREQUAL "Darwin")
162    # Find libevent on FreeBSD:
163    include_directories( /usr/local/include )
164    link_directories( /usr/local/lib )
165ENDIF()
166
167# Find zlib and libevent header files and library files
168# TODO: libevent is not strictly necessary to build the library.
169FIND_PATH(ZLIB_INCLUDE_DIR NAMES zlib.h)
170IF (ZLIB_INCLUDE_DIR)
171    INCLUDE_DIRECTORIES(${ZLIB_INCLUDE_DIR})
172ELSE()
173    MESSAGE(FATAL_ERROR "zlib.h was not found")
174ENDIF()
175IF (CMAKE_SYSTEM_NAME STREQUAL Windows)
176    FIND_LIBRARY(ZLIB_LIB zlib)
177ELSEIF(CMAKE_SYSTEM_NAME STREQUAL Darwin)
178    # XXX somehow FIND_LIBRARY() does not find zlib on Travis?
179    SET(ZLIB_LIB z)
180ELSE()
181    FIND_LIBRARY(ZLIB_LIB libz.a)
182ENDIF()
183IF(ZLIB_LIB)
184    MESSAGE(STATUS "Found zlib: ${ZLIB_LIB}")
185ELSE()
186    MESSAGE(STATUS "zlib not found")
187ENDIF()
188FIND_PATH(EVENT_INCLUDE_DIR NAMES event2/event.h)
189IF (EVENT_INCLUDE_DIR)
190    INCLUDE_DIRECTORIES(${EVENT_INCLUDE_DIR})
191ELSE()
192    MESSAGE(FATAL_ERROR "event2/event.h was not found")
193ENDIF()
194IF (CMAKE_SYSTEM_NAME STREQUAL Windows)
195    FIND_LIBRARY(EVENT_LIB event)
196ELSE()
197    FIND_LIBRARY(EVENT_LIB libevent.a libevent.so)
198ENDIF()
199IF(EVENT_LIB)
200    MESSAGE(STATUS "Found event: ${EVENT_LIB}")
201ELSE()
202    MESSAGE(STATUS "libevent not found")
203ENDIF()
204
205add_executable(http_server test/http_server.c test/prog.c test/test_common.c test/test_cert.c)
206add_executable(md5_server test/md5_server.c test/prog.c test/test_common.c test/test_cert.c)
207add_executable(md5_client test/md5_client.c test/prog.c test/test_common.c test/test_cert.c)
208add_executable(echo_server test/echo_server.c test/prog.c test/test_common.c test/test_cert.c)
209add_executable(echo_client test/echo_client.c test/prog.c test/test_common.c test/test_cert.c)
210
211
212SET(LIBS lsquic ${EVENT_LIB} ${BORINGSSL_LIB_ssl} ${BORINGSSL_LIB_crypto} ${ZLIB_LIB} ${LIBS})
213
214IF (NOT MSVC)
215
216add_executable(http_client
217    test/http_client.c
218    test/prog.c
219    test/test_common.c
220    test/test_cert.c
221)
222LIST(APPEND LIBS pthread m)
223
224#MSVC
225ELSE()
226
227add_executable(http_client
228    test/http_client.c
229    test/prog.c
230    test/test_common.c
231    wincompat/getopt.c
232    wincompat/getopt1.c
233)
234LIST(APPEND LIBS ws2_32)
235
236ENDIF()
237
238TARGET_LINK_LIBRARIES(http_client ${LIBS})
239TARGET_LINK_LIBRARIES(http_server ${LIBS})
240TARGET_LINK_LIBRARIES(md5_server  ${LIBS})
241TARGET_LINK_LIBRARIES(md5_client  ${LIBS})
242TARGET_LINK_LIBRARIES(echo_server ${LIBS})
243TARGET_LINK_LIBRARIES(echo_client ${LIBS})
244
245add_subdirectory(src)
246
247add_subdirectory(test)
248
249IF(CMAKE_BUILD_TYPE STREQUAL "Debug")
250    # Our test framework relies on assertions, only compile if assertions are
251    # enabled.
252    #
253    enable_testing()
254ENDIF()
255
256
257ADD_CUSTOM_TARGET(docs doxygen dox.cfg)
258