CMakeLists.txt revision 747be414 
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        SET(LIBS ${LIBS} -fsanitize=address)
56    ENDIF()
57    # Uncomment to enable cleartext protocol mode (no crypto):
58    #SET (MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -DLSQUIC_ENABLE_HANDSHAKE_DISABLE=1")
59ELSE()
60    SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -O3 -g0")
61    # Comment out the following line to compile out debug messages:
62    #SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -DLSQUIC_LOWEST_LOG_LEVEL=LSQ_LOG_INFO")
63ENDIF()
64
65IF(LSQUIC_PROFILE EQUAL 1)
66    SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -g -pg")
67ENDIF()
68
69IF(LSQUIC_COVERAGE EQUAL 1)
70    SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -fprofile-arcs -ftest-coverage")
71ENDIF()
72
73IF(MY_CMAKE_FLAGS MATCHES "fsanitize=address")
74    MESSAGE(STATUS "AddressSanitizer is ON")
75ELSE()
76    MESSAGE(STATUS "AddressSanitizer is OFF")
77ENDIF()
78
79#MSVC
80ELSE()
81SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} /wd4214")	# nonstandard extension used: bit field types other than int
82SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -W4 -WX -Zi -DWIN32_LEAN_AND_MEAN -DNOMINMAX -D_CRT_SECURE_NO_WARNINGS -I${CMAKE_CURRENT_SOURCE_DIR}/wincompat")
83IF(CMAKE_BUILD_TYPE STREQUAL "Debug")
84    SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -Od")
85    #SET (MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -DFIU_ENABLE=1")
86    #SET(LIBS ${LIBS} fiu)
87ELSE()
88    SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -Ox")
89    # Comment out the following line to compile out debug messages:
90    #SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -DLSQUIC_LOWEST_LOG_LEVEL=LSQ_LOG_INFO")
91ENDIF()
92
93ENDIF() #MSVC
94
95set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}  ${MY_CMAKE_FLAGS} $ENV{EXTRA_CFLAGS}")
96
97MESSAGE(STATUS "Compiler flags: ${CMAKE_C_FLAGS}")
98
99IF (NOT DEFINED BORINGSSL_INCLUDE AND DEFINED BORINGSSL_DIR)
100    FIND_PATH(BORINGSSL_INCLUDE NAMES openssl/ssl.h
101                PATHS ${BORINGSSL_DIR}/include
102                NO_DEFAULT_PATH)
103ENDIF()
104# This must be done before adding other include directories to take
105# precedence over header files from other SSL installs.
106
107IF (BORINGSSL_INCLUDE)
108    MESSAGE(STATUS "BoringSSL include directory ${BORINGSSL_INCLUDE}")
109    INCLUDE_DIRECTORIES(${BORINGSSL_INCLUDE})
110ELSE()
111    MESSAGE(FATAL_ERROR "BoringSSL headers not found")
112ENDIF()
113
114IF (NOT DEFINED BORINGSSL_LIB AND DEFINED BORINGSSL_DIR)
115    FOREACH(LIB_NAME ssl crypto decrepit)
116        IF (CMAKE_SYSTEM_NAME STREQUAL Windows)
117            FIND_LIBRARY(BORINGSSL_LIB_${LIB_NAME}
118                NAMES ${LIB_NAME}
119                PATHS ${BORINGSSL_DIR}/${LIB_NAME}
120                PATH_SUFFIXES Debug Release MinSizeRel RelWithDebInfo
121                NO_DEFAULT_PATH)
122        ELSE()
123            FIND_LIBRARY(BORINGSSL_LIB_${LIB_NAME}
124                NAMES lib${LIB_NAME}.a
125                PATHS ${BORINGSSL_DIR}/${LIB_NAME}
126                NO_DEFAULT_PATH)
127        ENDIF()
128        IF(BORINGSSL_LIB_${LIB_NAME})
129            MESSAGE(STATUS "Found ${LIB_NAME} library: ${BORINGSSL_LIB_${LIB_NAME}}")
130        ELSE()
131            MESSAGE(STATUS "${LIB_NAME} library not found")
132        ENDIF()
133    ENDFOREACH()
134
135ELSE()
136
137
138    FOREACH(LIB_NAME ssl crypto decrepit)
139        IF (CMAKE_SYSTEM_NAME STREQUAL Windows)
140            FIND_LIBRARY(BORINGSSL_LIB_${LIB_NAME}
141                NAMES ${LIB_NAME}
142                PATHS ${BORINGSSL_LIB}
143                PATH_SUFFIXES Debug Release MinSizeRel RelWithDebInfo
144                NO_DEFAULT_PATH)
145        ELSE()
146            FIND_LIBRARY(BORINGSSL_LIB_${LIB_NAME}
147                NAMES lib${LIB_NAME}.a
148                PATHS ${BORINGSSL_LIB}
149                NO_DEFAULT_PATH)
150        ENDIF()
151        IF(BORINGSSL_LIB_${LIB_NAME})
152            MESSAGE(STATUS "Found ${BORINGSSL_LIB} library: ${BORINGSSL_LIB_${LIB_NAME}}")
153        ELSE()
154            MESSAGE(STATUS "${BORINGSSL_LIB} library not found")
155        ENDIF()
156    ENDFOREACH()
157#endif
158
159ENDIF()
160
161SET(CMAKE_INCLUDE_CURRENT_DIR ON)
162INCLUDE_DIRECTORIES(include src/lshpack)
163IF(CMAKE_SYSTEM_NAME STREQUAL "FreeBSD" OR CMAKE_SYSTEM_NAME STREQUAL "Darwin")
164    # Find libevent on FreeBSD:
165    include_directories( /usr/local/include )
166    link_directories( /usr/local/lib )
167ENDIF()
168
169# Find zlib and libevent header files and library files
170# TODO: libevent is not strictly necessary to build the library.
171FIND_PATH(ZLIB_INCLUDE_DIR NAMES zlib.h)
172IF (ZLIB_INCLUDE_DIR)
173    INCLUDE_DIRECTORIES(${ZLIB_INCLUDE_DIR})
174ELSE()
175    MESSAGE(FATAL_ERROR "zlib.h was not found")
176ENDIF()
177IF (CMAKE_SYSTEM_NAME STREQUAL Windows)
178    FIND_LIBRARY(ZLIB_LIB zlib)
179ELSEIF(CMAKE_SYSTEM_NAME STREQUAL Darwin)
180    # XXX somehow FIND_LIBRARY() does not find zlib on Travis?
181    SET(ZLIB_LIB z)
182ELSE()
183    FIND_LIBRARY(ZLIB_LIB libz.a)
184ENDIF()
185IF(ZLIB_LIB)
186    MESSAGE(STATUS "Found zlib: ${ZLIB_LIB}")
187ELSE()
188    MESSAGE(STATUS "zlib not found")
189ENDIF()
190FIND_PATH(EVENT_INCLUDE_DIR NAMES event2/event.h)
191IF (EVENT_INCLUDE_DIR)
192    INCLUDE_DIRECTORIES(${EVENT_INCLUDE_DIR})
193ELSE()
194    MESSAGE(FATAL_ERROR "event2/event.h was not found")
195ENDIF()
196IF (CMAKE_SYSTEM_NAME STREQUAL Windows)
197    FIND_LIBRARY(EVENT_LIB event)
198ELSE()
199    FIND_LIBRARY(EVENT_LIB libevent.a)
200    IF(NOT EVENT_LIB)
201        FIND_LIBRARY(EVENT_LIB libevent.so)
202    ENDIF()
203ENDIF()
204IF(EVENT_LIB)
205    MESSAGE(STATUS "Found event: ${EVENT_LIB}")
206ELSE()
207    MESSAGE(STATUS "libevent not found")
208ENDIF()
209
210add_executable(http_server test/http_server.c test/prog.c test/test_common.c test/test_cert.c)
211add_executable(md5_server test/md5_server.c test/prog.c test/test_common.c test/test_cert.c)
212add_executable(md5_client test/md5_client.c test/prog.c test/test_common.c test/test_cert.c)
213add_executable(echo_server test/echo_server.c test/prog.c test/test_common.c test/test_cert.c)
214add_executable(echo_client test/echo_client.c test/prog.c test/test_common.c test/test_cert.c)
215
216
217SET(LIBS lsquic ${EVENT_LIB} ${BORINGSSL_LIB_ssl} ${BORINGSSL_LIB_crypto} ${ZLIB_LIB} ${LIBS})
218
219IF (NOT MSVC)
220
221add_executable(http_client
222    test/http_client.c
223    test/prog.c
224    test/test_common.c
225    test/test_cert.c
226)
227LIST(APPEND LIBS pthread m)
228
229#MSVC
230ELSE()
231
232add_executable(http_client
233    test/http_client.c
234    test/prog.c
235    test/test_common.c
236    wincompat/getopt.c
237    wincompat/getopt1.c
238)
239LIST(APPEND LIBS ws2_32)
240
241ENDIF()
242
243TARGET_LINK_LIBRARIES(http_client ${LIBS})
244TARGET_LINK_LIBRARIES(http_server ${LIBS})
245TARGET_LINK_LIBRARIES(md5_server  ${LIBS})
246TARGET_LINK_LIBRARIES(md5_client  ${LIBS})
247TARGET_LINK_LIBRARIES(echo_server ${LIBS})
248TARGET_LINK_LIBRARIES(echo_client ${LIBS})
249
250add_subdirectory(src)
251
252add_subdirectory(test)
253
254IF(CMAKE_BUILD_TYPE STREQUAL "Debug")
255    # Our test framework relies on assertions, only compile if assertions are
256    # enabled.
257    #
258    enable_testing()
259ENDIF()
260
261
262ADD_CUSTOM_TARGET(docs doxygen dox.cfg)
263