CMakeLists.txt revision df992bce 
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: ${CMAKE_BUILD_TYPE}")
22
23OPTION(LSQUIC_FIU "Use Fault Injection in Userspace (FIU)" OFF)
24
25SET(MY_CMAKE_FLAGS "-DLSQUIC_DEBUG_NEXT_ADV_TICK=1")
26
27IF (NOT MSVC)
28
29SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -Wall -Wextra -Wno-unused-parameter")
30SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -fno-omit-frame-pointer")
31INCLUDE(CheckCCompilerFlag)
32CHECK_C_COMPILER_FLAG(-Wno-implicit-fallthrough HAS_NO_IMPLICIT_FALLTHROUGH)
33IF (HAS_NO_IMPLICIT_FALLTHROUGH)
34    SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -Wno-implicit-fallthrough")
35ENDIF()
36
37IF(CMAKE_COMPILER_IS_GNUCC AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.9.3)
38    SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -Wno-missing-field-initializers")
39ENDIF()
40
41IF(LSQUIC_FIU)
42    SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -DFIU_ENABLE=1")
43    SET(LIBS ${LIBS} fiu)
44ENDIF()
45
46IF(CMAKE_BUILD_TYPE STREQUAL "Debug")
47    SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -O0 -g3")
48    SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -Werror")
49    IF(CMAKE_C_COMPILER MATCHES "clang" AND
50                        NOT "$ENV{TRAVIS}" MATCHES "^true$")
51        SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -fsanitize=address")
52    ENDIF()
53    # Uncomment to enable cleartext protocol mode (no crypto):
54    #SET (MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -DLSQUIC_ENABLE_HANDSHAKE_DISABLE=1")
55ELSE()
56    SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -O3 -g0")
57    # Comment out the following line to compile out debug messages:
58    #SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -DLSQUIC_LOWEST_LOG_LEVEL=LSQ_LOG_INFO")
59ENDIF()
60
61IF(LSQUIC_PROFILE EQUAL 1)
62    SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -g -pg")
63ENDIF()
64
65IF(LSQUIC_COVERAGE EQUAL 1)
66    SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -fprofile-arcs -ftest-coverage")
67ENDIF()
68
69IF(MY_CMAKE_FLAGS MATCHES "fsanitize=address")
70    MESSAGE(STATUS "AddressSanitizer is ON")
71ELSE()
72    MESSAGE(STATUS "AddressSanitizer is OFF")
73ENDIF()
74
75#MSVC
76ELSE()
77SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} /wd4214")	# nonstandard extension used: bit field types other than int
78SET(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")
79IF(CMAKE_BUILD_TYPE STREQUAL "Debug")
80    SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -Od")
81    #SET (MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -DFIU_ENABLE=1")
82    #SET(LIBS ${LIBS} fiu)
83ELSE()
84    SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -Ox")
85    # Comment out the following line to compile out debug messages:
86    #SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -DLSQUIC_LOWEST_LOG_LEVEL=LSQ_LOG_INFO")
87ENDIF()
88
89ENDIF() #MSVC
90
91set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}  ${MY_CMAKE_FLAGS} $ENV{EXTRA_CFLAGS}")
92
93MESSAGE(STATUS "Compiler flags: ${CMAKE_C_FLAGS}")
94
95IF (NOT DEFINED BORINGSSL_INCLUDE AND DEFINED BORINGSSL_DIR)
96    FIND_PATH(BORINGSSL_INCLUDE NAMES openssl/ssl.h
97                PATHS ${BORINGSSL_DIR}/include
98                NO_DEFAULT_PATH)
99ENDIF()
100# This must be done before adding other include directories to take
101# precedence over header files from other SSL installs.
102
103IF (BORINGSSL_INCLUDE)
104    MESSAGE(STATUS "BoringSSL include directory ${BORINGSSL_INCLUDE}")
105    INCLUDE_DIRECTORIES(${BORINGSSL_INCLUDE})
106ELSE()
107    MESSAGE(FATAL_ERROR "BoringSSL headers not found")
108ENDIF()
109
110IF (NOT DEFINED BORINGSSL_LIB AND DEFINED BORINGSSL_DIR)
111    FOREACH(LIB_NAME ssl crypto decrepit)
112        IF (CMAKE_SYSTEM_NAME STREQUAL Windows)
113            FIND_LIBRARY(BORINGSSL_LIB_${LIB_NAME}
114                NAMES ${LIB_NAME}
115                PATHS ${BORINGSSL_DIR}/${LIB_NAME}
116                PATH_SUFFIXES Debug Release MinSizeRel RelWithDebInfo
117                NO_DEFAULT_PATH)
118        ELSE()
119            FIND_LIBRARY(BORINGSSL_LIB_${LIB_NAME}
120                NAMES lib${LIB_NAME}.a
121                PATHS ${BORINGSSL_DIR}/${LIB_NAME}
122                NO_DEFAULT_PATH)
123        ENDIF()
124        IF(BORINGSSL_LIB_${LIB_NAME})
125            MESSAGE(STATUS "Found ${LIB_NAME} library: ${BORINGSSL_LIB_${LIB_NAME}}")
126        ELSE()
127            MESSAGE(STATUS "${LIB_NAME} library not found")
128        ENDIF()
129    ENDFOREACH()
130
131ELSE()
132
133
134    FOREACH(LIB_NAME ssl crypto decrepit)
135        IF (CMAKE_SYSTEM_NAME STREQUAL Windows)
136            FIND_LIBRARY(BORINGSSL_LIB_${LIB_NAME}
137                NAMES ${LIB_NAME}
138                PATHS ${BORINGSSL_LIB}
139                PATH_SUFFIXES Debug Release MinSizeRel RelWithDebInfo
140                NO_DEFAULT_PATH)
141        ELSE()
142            FIND_LIBRARY(BORINGSSL_LIB_${LIB_NAME}
143                NAMES lib${LIB_NAME}.a
144                PATHS ${BORINGSSL_LIB}
145                NO_DEFAULT_PATH)
146        ENDIF()
147        IF(BORINGSSL_LIB_${LIB_NAME})
148            MESSAGE(STATUS "Found ${BORINGSSL_LIB} library: ${BORINGSSL_LIB_${LIB_NAME}}")
149        ELSE()
150            MESSAGE(STATUS "${BORINGSSL_LIB} library not found")
151        ENDIF()
152    ENDFOREACH()
153#endif
154
155ENDIF()
156
157SET(CMAKE_INCLUDE_CURRENT_DIR ON)
158INCLUDE_DIRECTORIES(include src/lshpack)
159IF(CMAKE_SYSTEM_NAME STREQUAL "FreeBSD" OR CMAKE_SYSTEM_NAME STREQUAL "Darwin")
160    # Find libevent on FreeBSD:
161    include_directories( /usr/local/include )
162    link_directories( /usr/local/lib )
163ENDIF()
164
165# Find zlib and libevent header files and library files
166# TODO: libevent is not strictly necessary to build the library.
167FIND_PATH(ZLIB_INCLUDE_DIR NAMES zlib.h)
168IF (ZLIB_INCLUDE_DIR)
169    INCLUDE_DIRECTORIES(${ZLIB_INCLUDE_DIR})
170ELSE()
171    MESSAGE(FATAL_ERROR "zlib.h was not found")
172ENDIF()
173IF (CMAKE_SYSTEM_NAME STREQUAL Windows)
174    FIND_LIBRARY(ZLIB_LIB zlib)
175ELSEIF(CMAKE_SYSTEM_NAME STREQUAL Darwin)
176    # XXX somehow FIND_LIBRARY() does not find zlib on Travis?
177    SET(ZLIB_LIB z)
178ELSE()
179    FIND_LIBRARY(ZLIB_LIB libz.a)
180ENDIF()
181IF(ZLIB_LIB)
182    MESSAGE(STATUS "Found zlib: ${ZLIB_LIB}")
183ELSE()
184    MESSAGE(STATUS "zlib not found")
185ENDIF()
186FIND_PATH(EVENT_INCLUDE_DIR NAMES event2/event.h)
187IF (EVENT_INCLUDE_DIR)
188    INCLUDE_DIRECTORIES(${EVENT_INCLUDE_DIR})
189ELSE()
190    MESSAGE(FATAL_ERROR "event2/event.h was not found")
191ENDIF()
192IF (CMAKE_SYSTEM_NAME STREQUAL Windows)
193    FIND_LIBRARY(EVENT_LIB event)
194ELSE()
195    FIND_LIBRARY(EVENT_LIB libevent.a libevent.so)
196ENDIF()
197IF(EVENT_LIB)
198    MESSAGE(STATUS "Found event: ${EVENT_LIB}")
199ELSE()
200    MESSAGE(STATUS "libevent not found")
201ENDIF()
202
203add_executable(http_server test/http_server.c test/prog.c test/test_common.c test/test_cert.c)
204add_executable(md5_server test/md5_server.c test/prog.c test/test_common.c test/test_cert.c)
205add_executable(md5_client test/md5_client.c test/prog.c test/test_common.c test/test_cert.c)
206add_executable(echo_server test/echo_server.c test/prog.c test/test_common.c test/test_cert.c)
207add_executable(echo_client test/echo_client.c test/prog.c test/test_common.c test/test_cert.c)
208
209
210SET(LIBS lsquic ${EVENT_LIB} ${BORINGSSL_LIB_ssl} ${BORINGSSL_LIB_crypto} ${ZLIB_LIB} ${LIBS})
211
212IF (NOT MSVC)
213
214add_executable(http_client
215    test/http_client.c
216    test/prog.c
217    test/test_common.c
218    test/test_cert.c
219)
220LIST(APPEND LIBS pthread m)
221
222#MSVC
223ELSE()
224
225add_executable(http_client
226    test/http_client.c
227    test/prog.c
228    test/test_common.c
229    wincompat/getopt.c
230    wincompat/getopt1.c
231)
232LIST(APPEND LIBS ws2_32)
233
234ENDIF()
235
236TARGET_LINK_LIBRARIES(http_client ${LIBS})
237TARGET_LINK_LIBRARIES(http_server ${LIBS})
238TARGET_LINK_LIBRARIES(md5_server  ${LIBS})
239TARGET_LINK_LIBRARIES(md5_client  ${LIBS})
240TARGET_LINK_LIBRARIES(echo_server ${LIBS})
241TARGET_LINK_LIBRARIES(echo_client ${LIBS})
242
243add_subdirectory(src)
244
245add_subdirectory(test)
246
247IF(CMAKE_BUILD_TYPE STREQUAL "Debug")
248    # Our test framework relies on assertions, only compile if assertions are
249    # enabled.
250    #
251    enable_testing()
252ENDIF()
253
254
255ADD_CUSTOM_TARGET(docs doxygen dox.cfg)
256