mirror of
https://github.com/warmcat/libwebsockets.git
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126 lines
3.9 KiB
CMake
126 lines
3.9 KiB
CMake
project(lws-minimal-http-server-eventlib-foreign)
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cmake_minimum_required(VERSION 2.8)
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include(CheckCSourceCompiles)
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set(SAMP lws-minimal-http-server-eventlib-foreign)
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set(SRCS minimal-http-server-eventlib-foreign.c)
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# If we are being built as part of lws, confirm current build config supports
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# reqconfig, else skip building ourselves.
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#
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# If we are being built externally, confirm installed lws was configured to
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# support reqconfig, else error out with a helpful message about the problem.
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#
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MACRO(require_lws_config reqconfig _val result)
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if (DEFINED ${reqconfig})
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if (${reqconfig})
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set (rq 1)
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else()
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set (rq 0)
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endif()
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else()
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set(rq 0)
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endif()
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if (${_val} EQUAL ${rq})
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set(SAME 1)
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else()
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set(SAME 0)
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endif()
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if (LWS_WITH_MINIMAL_EXAMPLES AND NOT ${SAME})
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if (${_val})
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message("${SAMP}: skipping as lws being built without ${reqconfig}")
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else()
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message("${SAMP}: skipping as lws built with ${reqconfig}")
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endif()
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set(${result} 0)
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else()
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if (LWS_WITH_MINIMAL_EXAMPLES)
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set(MET ${SAME})
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else()
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CHECK_C_SOURCE_COMPILES("#include <libwebsockets.h>\nint main(void) {\n#if defined(${reqconfig})\n return 0;\n#else\n fail;\n#endif\n return 0;\n}\n" HAS_${reqconfig})
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if (NOT DEFINED HAS_${reqconfig} OR NOT HAS_${reqconfig})
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set(HAS_${reqconfig} 0)
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else()
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set(HAS_${reqconfig} 1)
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endif()
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if ((HAS_${reqconfig} AND ${_val}) OR (NOT HAS_${reqconfig} AND NOT ${_val}))
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set(MET 1)
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else()
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set(MET 0)
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endif()
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endif()
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if (NOT MET)
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if (${_val})
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message(FATAL_ERROR "This project requires lws must have been configured with ${reqconfig}")
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else()
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message(FATAL_ERROR "Lws configuration of ${reqconfig} is incompatible with this project")
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endif()
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endif()
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endif()
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ENDMACRO()
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set(requirements 1)
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require_lws_config(LWS_ROLE_H1 1 requirements)
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require_lws_config(LWS_WITH_SERVER 1 requirements)
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CHECK_C_SOURCE_COMPILES("#include <libwebsockets.h>\nint main(void) {\n#if defined(LWS_WITH_LIBUV)\n return 0;\n#else\n fail;\n#endif\n return 0;\n}\n" LWS_WITH_LIBUV)
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CHECK_C_SOURCE_COMPILES("#include <libwebsockets.h>\nint main(void) {\n#if defined(LWS_WITH_LIBEVENT)\n return 0;\n#else\n fail;\n#endif\n return 0;\n}\n" LWS_WITH_LIBEVENT)
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CHECK_C_SOURCE_COMPILES("#include <libwebsockets.h>\nint main(void) {\n#if defined(LWS_WITH_LIBEV)\n return 0;\n#else\n fail;\n#endif\n return 0;\n}\n" LWS_WITH_LIBEV)
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CHECK_C_SOURCE_COMPILES("#include <libwebsockets.h>\nint main(void) {\n#if defined(LWS_WITH_GLIB)\n return 0;\n#else\n fail;\n#endif\n return 0;\n}\n" LWS_WITH_GLIB)
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if (LWS_WITH_LIBUV)
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set(extralibs ${extralibs} uv)
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endif()
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if (LWS_WITH_LIBEVENT)
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set(extralibs ${extralibs} event)
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endif()
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if (LWS_WITH_LIBEV)
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set(extralibs ${extralibs} ev)
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endif()
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if (LWS_WITH_GLIB)
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set(LWS_GLIB_INCLUDE_DIRS CACHE PATH "Path to the glib include directory")
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set(LWS_GLIB_LIBRARIES CACHE PATH "Path to the glib library")
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include (FindPkgConfig)
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if (NOT GLIB_FOUND)
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find_path(GLIB_INCLUDE_DIRS NAMES glib-2.0/glib.h)
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find_library(GLIB_LIBRARIES NAMES glib-2.0)
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if(GLIB_INCLUDE_DIRS AND GLIB_LIBRARIES)
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set(GLIB_FOUND 1)
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endif()
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if (GLIB_INCLUDE_DIRS)
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set(GLIB_INCLUDE_DIRS "${GLIB_INCLUDE_DIRS}/glib-2.0")
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endif()
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endif()
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PKG_SEARCH_MODULE(LWS_GLIB2 glib-2.0)
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if (LWS_GLIB2_FOUND)
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list(APPEND GLIB_INCLUDE_DIRS "${LWS_GLIB2_INCLUDE_DIRS}")
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endif()
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message("glib include dir: ${GLIB_INCLUDE_DIRS}")
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message("glib libraries: ${GLIB_LIBRARIES}")
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include_directories("${GLIB_INCLUDE_DIRS}")
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set(extralibs ${extralibs} ${GLIB_LIBRARIES})
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endif()
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message("Extra libs: ${extralibs}")
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if (NOT LWS_WITH_LIBUV AND NOT LWS_WITH_LIBEVENT AND NOT LWS_WITH_LIBEV AND NOT LWS_WITH_GLIB)
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set(requirements 0)
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endif()
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if (requirements)
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add_executable(${SAMP} ${SRCS})
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if (websockets_shared)
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target_link_libraries(${SAMP} websockets_shared ${extralibs})
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add_dependencies(${SAMP} websockets_shared)
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else()
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target_link_libraries(${SAMP} websockets ${extralibs})
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endif()
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endif()
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