CMakeLists.txt revision b1af35d6 
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
84# This must be done before adding other include directories to take
85# precedence over header files from other SSL installs.
86FIND_PATH(BORINGSSL_INCLUDE_DIR NAMES openssl/ssl.h
87            PATHS ${BORINGSSL_DIR}/include
88            NO_DEFAULT_PATH)
89IF (BORINGSSL_INCLUDE_DIR)
90    MESSAGE(STATUS "BoringSSL include directory ${BORINGSSL_INCLUDE_DIR}")
91    INCLUDE_DIRECTORIES(${BORINGSSL_INCLUDE_DIR})
92ELSE()
93    MESSAGE(FATAL_ERROR "BoringSSL headers not found")
94ENDIF()
95
96FOREACH(BORINGSSL_LIB ssl crypto decrepit)
97    IF (CMAKE_SYSTEM_NAME STREQUAL Windows)
98        FIND_LIBRARY(BORINGSSL_LIB_${BORINGSSL_LIB}
99            NAMES ${BORINGSSL_LIB}
100            PATHS ${BORINGSSL_DIR}/${BORINGSSL_LIB}
101            PATH_SUFFIXES Debug Release MinSizeRel RelWithDebInfo
102            NO_DEFAULT_PATH)
103    ELSE()
104        FIND_LIBRARY(BORINGSSL_LIB_${BORINGSSL_LIB}
105            NAMES lib${BORINGSSL_LIB}.a
106            PATHS ${BORINGSSL_DIR}/${BORINGSSL_LIB}
107            NO_DEFAULT_PATH)
108    ENDIF()
109    IF(BORINGSSL_LIB_${BORINGSSL_LIB})
110        MESSAGE(STATUS "Found ${BORINGSSL_LIB} library: ${BORINGSSL_LIB_${BORINGSSL_LIB}}")
111    ELSE()
112        MESSAGE(STATUS "${BORINGSSL_LIB} library not found")
113    ENDIF()
114ENDFOREACH()
115
116IF(CMAKE_SYSTEM_NAME STREQUAL "FreeBSD" OR CMAKE_SYSTEM_NAME STREQUAL "Darwin")
117    # Find libevent on FreeBSD:
118    INCLUDE_DIRECTORIES( /usr/local/include )
119    LINK_DIRECTORIES( /usr/local/lib )
120ENDIF()
121
122# Find zlib and libevent header files and library files
123# TODO: libevent is not strictly necessary to build the library.
124FIND_PATH(ZLIB_INCLUDE_DIR NAMES zlib.h)
125IF (ZLIB_INCLUDE_DIR)
126    INCLUDE_DIRECTORIES(${ZLIB_INCLUDE_DIR})
127ELSE()
128    MESSAGE(FATAL_ERROR "zlib.h was not found")
129ENDIF()
130IF (CMAKE_SYSTEM_NAME STREQUAL Windows)
131    FIND_LIBRARY(ZLIB_LIB zlib)
132ELSEIF(CMAKE_SYSTEM_NAME STREQUAL Darwin)
133    # XXX somehow FIND_LIBRARY() does not find zlib on Travis?
134    SET(ZLIB_LIB z)
135ELSE()
136    FIND_LIBRARY(ZLIB_LIB libz.a)
137ENDIF()
138IF(ZLIB_LIB)
139    MESSAGE(STATUS "Found zlib: ${ZLIB_LIB}")
140ELSE()
141    MESSAGE(STATUS "zlib not found")
142ENDIF()
143FIND_PATH(EVENT_INCLUDE_DIR NAMES event2/event.h)
144IF (EVENT_INCLUDE_DIR)
145    INCLUDE_DIRECTORIES(${EVENT_INCLUDE_DIR})
146ELSE()
147    MESSAGE(FATAL_ERROR "event2/event.h was not found")
148ENDIF()
149IF (CMAKE_SYSTEM_NAME STREQUAL Windows)
150    FIND_LIBRARY(EVENT_LIB event)
151ELSE()
152    FIND_LIBRARY(EVENT_LIB libevent.a)
153ENDIF()
154IF(EVENT_LIB)
155    MESSAGE(STATUS "Found event: ${EVENT_LIB}")
156ELSE()
157    MESSAGE(STATUS "libevent not found")
158ENDIF()
159
160SET(CMAKE_INCLUDE_CURRENT_DIR ON)
161include_directories( include src/lshpack)
162
163IF (NOT MSVC)
164add_executable(http_client
165    test/http_client.c
166    test/prog.c
167    test/test_common.c
168)
169TARGET_LINK_LIBRARIES(http_client lsquic ${EVENT_LIB} pthread
170    ${BORINGSSL_LIB_ssl} ${BORINGSSL_LIB_crypto} ${LIBS} ${ZLIB_LIB} m)
171
172#MSVC
173ELSE()
174add_executable(http_client
175    test/http_client.c
176    test/prog.c
177    test/test_common.c
178    wincompat/getopt.c
179    wincompat/getopt1.c
180)
181
182target_link_libraries(http_client
183        lsquic
184        ${EVENT_LIB}
185        ${ZLIB_LIB}
186		${BORINGSSL_LIB_ssl}
187		${BORINGSSL_LIB_crypto}
188		ws2_32
189		${LIBS} )
190
191ENDIF()
192
193#target_link_libraries(http_client lsquic event pthread libssl.a libcrypto.a ${LIBS} z m)
194
195add_subdirectory(src)
196
197add_subdirectory(test)
198
199IF(NOT (CMAKE_C_FLAGS MATCHES "-DNDEBUG"))
200    # Our test framework relies on assertions, only compile if assertions are
201    # enabled.
202    #
203    enable_testing()
204ENDIF()
205
206
207ADD_CUSTOM_TARGET(docs doxygen dox.cfg)
208