CMakeLists.txt revision 8ca33e0e 
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
21
22MESSAGE(STATUS "Build type: ${CMAKE_BUILD_TYPE}")
23
24
25IF (NOT MSVC)
26
27SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -Wall -Wextra -Wno-unused-parameter")
28SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -fno-omit-frame-pointer")
29
30IF(CMAKE_COMPILER_IS_GNUCC AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.9.3)
31    SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -Wno-missing-field-initializers")
32ENDIF()
33IF(CMAKE_BUILD_TYPE STREQUAL "Debug")
34    SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -O0 -g3")
35    IF(CMAKE_C_COMPILER MATCHES "clang" AND
36                        NOT "$ENV{TRAVIS}" MATCHES "^true$")
37        SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -fsanitize=address")
38    ENDIF()
39    # Uncomment to enable fault injection testing via libfiu:
40    #SET (MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -DFIU_ENABLE=1")
41    #SET(LIBS ${LIBS} fiu)
42ELSE()
43    SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -O3 -g0")
44    SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -DNDEBUG")
45    # Comment out the following line to compile out debug messages:
46    #SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -DLSQUIC_LOWEST_LOG_LEVEL=LSQ_LOG_INFO")
47ENDIF()
48
49IF(LSQUIC_PROFILE EQUAL 1)
50    SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -g -pg")
51ENDIF()
52
53IF(LSQUIC_COVERAGE EQUAL 1)
54    SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -fprofile-arcs -ftest-coverage")
55ENDIF()
56
57IF(MY_CMAKE_FLAGS MATCHES "fsanitize=address")
58    MESSAGE(STATUS "AddressSanitizer is ON")
59ELSE()
60    MESSAGE(STATUS "AddressSanitizer is OFF")
61ENDIF()
62
63#MSVC
64ELSE()
65SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} /wd4214")	# nonstandard extension used: bit field types other than int
66SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -W4 -WX -Zi -DWIN32_LEAN_AND_MEAN -DNOMINMAX -D_CRT_SECURE_NO_WARNINGS -I${CMAKE_CURRENT_SOURCE_DIR}/wincompat")
67IF(CMAKE_BUILD_TYPE STREQUAL "Debug")
68    SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -Od")
69    #SET (MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -DFIU_ENABLE=1")
70    #SET(LIBS ${LIBS} fiu)
71ELSE()
72    SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -Ox")
73    SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -DNDEBUG")
74    # Comment out the following line to compile out debug messages:
75    #SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -DLSQUIC_LOWEST_LOG_LEVEL=LSQ_LOG_INFO")
76ENDIF()
77
78ENDIF() #MSVC
79
80set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}  ${MY_CMAKE_FLAGS} $ENV{EXTRA_CFLAGS}")
81
82MESSAGE(STATUS "Compiler flags: ${CMAKE_C_FLAGS}")
83
84IF (NOT DEFINED BORINGSSL_INCLUDE AND DEFINED BORINGSSL_DIR)
85    FIND_PATH(BORINGSSL_INCLUDE NAMES openssl/ssl.h
86                PATHS ${BORINGSSL_DIR}/include
87                NO_DEFAULT_PATH)
88ENDIF()
89# This must be done before adding other include directories to take
90# precedence over header files from other SSL installs.
91
92IF (BORINGSSL_INCLUDE)
93    MESSAGE(STATUS "BoringSSL include directory ${BORINGSSL_INCLUDE}")
94    INCLUDE_DIRECTORIES(${BORINGSSL_INCLUDE})
95ELSE()
96    MESSAGE(FATAL_ERROR "BoringSSL headers not found")
97ENDIF()
98
99IF (NOT DEFINED BORINGSSL_LIB AND DEFINED BORINGSSL_DIR)
100    FOREACH(LIB_NAME ssl crypto decrepit)
101        IF (CMAKE_SYSTEM_NAME STREQUAL Windows)
102            FIND_LIBRARY(BORINGSSL_LIB_${LIB_NAME}
103                NAMES ${LIB_NAME}
104                PATHS ${BORINGSSL_DIR}/${LIB_NAME}
105                PATH_SUFFIXES Debug Release MinSizeRel RelWithDebInfo
106                NO_DEFAULT_PATH)
107        ELSE()
108            FIND_LIBRARY(BORINGSSL_LIB_${LIB_NAME}
109                NAMES lib${LIB_NAME}.a
110                PATHS ${BORINGSSL_DIR}/${LIB_NAME}
111                NO_DEFAULT_PATH)
112        ENDIF()
113        IF(BORINGSSL_LIB_${LIB_NAME})
114            MESSAGE(STATUS "Found ${LIB_NAME} library: ${BORINGSSL_LIB_${LIB_NAME}}")
115        ELSE()
116            MESSAGE(STATUS "${LIB_NAME} library not found")
117        ENDIF()
118    ENDFOREACH()
119
120ELSE()
121
122
123    FOREACH(LIB_NAME ssl crypto decrepit)
124        IF (CMAKE_SYSTEM_NAME STREQUAL Windows)
125            FIND_LIBRARY(BORINGSSL_LIB_${LIB_NAME}
126                NAMES ${LIB_NAME}
127                PATHS ${BORINGSSL_LIB}
128                PATH_SUFFIXES Debug Release MinSizeRel RelWithDebInfo
129                NO_DEFAULT_PATH)
130        ELSE()
131            FIND_LIBRARY(BORINGSSL_LIB_${LIB_NAME}
132                NAMES lib${LIB_NAME}.a
133                PATHS ${BORINGSSL_LIB}
134                NO_DEFAULT_PATH)
135        ENDIF()
136        IF(BORINGSSL_LIB_${LIB_NAME})
137            MESSAGE(STATUS "Found ${BORINGSSL_LIB} library: ${BORINGSSL_LIB_${LIB_NAME}}")
138        ELSE()
139            MESSAGE(STATUS "${BORINGSSL_LIB} library not found")
140        ENDIF()
141    ENDFOREACH()
142#endif
143
144ENDIF()
145
146SET(CMAKE_INCLUDE_CURRENT_DIR ON)
147INCLUDE_DIRECTORIES(include src/lshpack)
148IF(CMAKE_SYSTEM_NAME STREQUAL "FreeBSD" OR CMAKE_SYSTEM_NAME STREQUAL "Darwin")
149    # Find libevent on FreeBSD:
150    include_directories( /usr/local/include )
151    link_directories( /usr/local/lib )
152ENDIF()
153
154# Find zlib and libevent header files and library files
155# TODO: libevent is not strictly necessary to build the library.
156FIND_PATH(ZLIB_INCLUDE_DIR NAMES zlib.h)
157IF (ZLIB_INCLUDE_DIR)
158    INCLUDE_DIRECTORIES(${ZLIB_INCLUDE_DIR})
159ELSE()
160    MESSAGE(FATAL_ERROR "zlib.h was not found")
161ENDIF()
162IF (CMAKE_SYSTEM_NAME STREQUAL Windows)
163    FIND_LIBRARY(ZLIB_LIB zlib)
164ELSEIF(CMAKE_SYSTEM_NAME STREQUAL Darwin)
165    # XXX somehow FIND_LIBRARY() does not find zlib on Travis?
166    SET(ZLIB_LIB z)
167ELSE()
168    FIND_LIBRARY(ZLIB_LIB libz.a)
169ENDIF()
170IF(ZLIB_LIB)
171    MESSAGE(STATUS "Found zlib: ${ZLIB_LIB}")
172ELSE()
173    MESSAGE(STATUS "zlib not found")
174ENDIF()
175FIND_PATH(EVENT_INCLUDE_DIR NAMES event2/event.h)
176IF (EVENT_INCLUDE_DIR)
177    INCLUDE_DIRECTORIES(${EVENT_INCLUDE_DIR})
178ELSE()
179    MESSAGE(FATAL_ERROR "event2/event.h was not found")
180ENDIF()
181IF (CMAKE_SYSTEM_NAME STREQUAL Windows)
182    FIND_LIBRARY(EVENT_LIB event)
183ELSE()
184    FIND_LIBRARY(EVENT_LIB libevent.a)
185ENDIF()
186IF(EVENT_LIB)
187    MESSAGE(STATUS "Found event: ${EVENT_LIB}")
188ELSE()
189    MESSAGE(STATUS "libevent not found")
190ENDIF()
191
192
193SET(LIBS lsquic ${EVENT_LIB} ${BORINGSSL_LIB_ssl} ${BORINGSSL_LIB_crypto} ${ZLIB_LIB} ${LIBS})
194
195IF (NOT MSVC)
196add_executable(http_client
197    test/http_client.c
198    test/prog.c
199    test/test_common.c
200)
201LIST(APPEND LIBS pthread m)
202
203#MSVC
204ELSE()
205add_executable(http_client
206    test/http_client.c
207    test/prog.c
208    test/test_common.c
209    wincompat/getopt.c
210    wincompat/getopt1.c
211)
212LIST(APPEND LIBS ws2_32)
213
214ENDIF()
215
216TARGET_LINK_LIBRARIES(http_client ${LIBS})
217
218
219add_subdirectory(src)
220
221add_subdirectory(test)
222
223IF(NOT (CMAKE_C_FLAGS MATCHES "-DNDEBUG"))
224    # Our test framework relies on assertions, only compile if assertions are
225    # enabled.
226    #
227    enable_testing()
228ENDIF()
229
230
231ADD_CUSTOM_TARGET(docs doxygen dox.cfg)
232