1 cmake_minimum_required(VERSION 2.8)
2 include(CheckCSourceCompiles)
3 include(CheckLibraryExists)
5 set(SAMP lws-minimal-dbus-server)
8 if (NOT LWS_WITH_MINIMAL_EXAMPLES)
9 CHECK_LIBRARY_EXISTS(dbus-1 dbus_connection_set_watch_functions "" LWS_HAVE_LIBDBUS)
10 if (NOT LWS_HAVE_LIBDBUS)
11 message(FATAL_ERROR "Install dbus-devel, or libdbus-1-dev etc")
15 set(LWS_DBUS_LIB "dbus-1")
18 if (NOT LWS_DBUS_INCLUDE1)
19 # look in fedora and debian / ubuntu place
20 if (EXISTS "/usr/include/dbus-1.0")
21 set(LWS_DBUS_INCLUDE1 "/usr/include/dbus-1.0")
23 message(FATAL_ERROR "Set LWS_DBUS_INCLUDE1 to /usr/include/dbus-1.0 or wherever the main dbus includes are")
27 if (NOT LWS_DBUS_INCLUDE2)
28 # look in fedora... debian / ubuntu has the ARCH in the path...
29 if (EXISTS "/usr/lib64/dbus-1.0/include")
30 set(LWS_DBUS_INCLUDE2 "/usr/lib64/dbus-1.0/include")
32 message(FATAL_ERROR "Set LWS_DBUS_INCLUDE2 to /usr/lib/ARCH-linux-gnu/dbus-1.0/include or wherever dbus-arch-deps.h is on your system")
36 set(CMAKE_REQUIRED_INCLUDES ${CMAKE_REQUIRED_INCLUDES};${LWS_DBUS_INCLUDE1};${LWS_DBUS_INCLUDE2})
38 if (NOT LWS_DBUS_INCLUDE1 OR NOT LWS_DBUS_INCLUDE2)
39 message(FATAL_ERROR "To build with libdbus, LWS_DBUS_INCLUDE1/2 must be given. See lib/roles/dbus/README.md")
44 # If we are being built as part of lws, confirm current build config supports
45 # reqconfig, else skip building ourselves.
47 # If we are being built externally, confirm installed lws was configured to
48 # support reqconfig, else error out with a helpful message about the problem.
50 MACRO(require_lws_config reqconfig _val result)
52 if (DEFINED ${reqconfig})
62 if (${_val} EQUAL ${rq})
68 if (LWS_WITH_MINIMAL_EXAMPLES AND NOT ${SAME})
70 message("${SAMP}: skipping as lws being built without ${reqconfig}")
72 message("${SAMP}: skipping as lws built with ${reqconfig}")
76 if (LWS_WITH_MINIMAL_EXAMPLES)
79 CHECK_C_SOURCE_COMPILES("#include <libwebsockets.h>\nint main(void) {\n#if defined(${reqconfig})\n return 0;\n#else\n fail;\n#endif\n return 0;\n}\n" HAS_${reqconfig})
80 if (NOT DEFINED HAS_${reqconfig} OR NOT HAS_${reqconfig})
81 set(HAS_${reqconfig} 0)
83 set(HAS_${reqconfig} 1)
85 if ((HAS_${reqconfig} AND ${_val}) OR (NOT HAS_${reqconfig} AND NOT ${_val}))
93 message(FATAL_ERROR "This project requires lws must have been configured with ${reqconfig}")
95 message(FATAL_ERROR "Lws configuration of ${reqconfig} is incompatible with this project")
104 require_lws_config(LWS_ROLE_DBUS 1 requirements)
105 require_lws_config(LWS_WITHOUT_SERVER 0 requirements)
108 add_executable(${SAMP} ${SRCS})
110 include_directories("${LWS_DBUS_INCLUDE1}")
111 include_directories("${LWS_DBUS_INCLUDE2}")
112 list(APPEND LIB_LIST dbus-1)
114 if (websockets_shared)
115 target_link_libraries(${SAMP} websockets_shared)
116 add_dependencies(${SAMP} websockets_shared ${LWS_DBUS_LIB})
118 target_link_libraries(${SAMP} websockets ${LWS_DBUS_LIB})