mirror of
https://github.com/warmcat/libwebsockets.git
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b3131fdfdd
Establish a new distributed CMake architecture with CMake code related to a source directory moving to be in the subdir in its own CMakeLists.txt. In particular, there's now one in ./lib which calls through to ones further down the directory tree like ./lib/plat/xxx, ./lib/roles/xxx etc. This cuts the main CMakelists.txt from 98KB -> 33KB, about a 66% reduction, and it's much easier to maintain sub-CMakeLists.txt that are in the same directory as the sources they manage, and conceal all the details that that level. Child CMakelists.txt become responsible for: - include_directories() definition (this is not supported by CMake directly, it passes it back up via PARENT_SCOPE vars in helper macros) - Addition child CMakeLists.txt inclusion, for example toplevel -> role -> role subdir - Source file addition to the build - Dependent library path resolution... this is now a private thing in the child CMakeLists.txt, it just passes back any adaptations to include_directories() and the LIB_LIST without filling the parent namespace with the details
103 lines
3.2 KiB
CMake
103 lines
3.2 KiB
CMake
#
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# libwebsockets - small server side websockets and web server implementation
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#
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# Copyright (C) 2010 - 2020 Andy Green <andy@warmcat.com>
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to
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# deal in the Software without restriction, including without limitation the
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# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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# sell copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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# IN THE SOFTWARE.
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#
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# The strategy is to only export to PARENT_SCOPE
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#
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# - changes to LIB_LIST
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# - changes to SOURCES
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# - includes via include_directories
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#
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# and keep everything else private
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include_directories(.)
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list(APPEND SOURCES
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plat/windows/windows-fds.c
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plat/windows/windows-file.c
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plat/windows/windows-init.c
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plat/windows/windows-misc.c
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plat/windows/windows-pipe.c
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plat/windows/windows-plugins.c
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plat/windows/windows-service.c
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plat/windows/windows-sockets.c
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)
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if (LWS_WITH_SYS_ASYNC_DNS)
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list(APPEND SOURCES plat/windows/windows-resolv.c)
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endif()
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if (LWS_WITH_SPAWN)
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list(APPEND SOURCES plat/windows/windows-spawn.c)
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endif()
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if (LWS_WITH_ZLIB AND LWS_WITH_BUNDLED_ZLIB)
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set(WIN32_ZLIB_PATH "win32port/zlib")
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set(ZLIB_SRCS
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${WIN32_ZLIB_PATH}/adler32.c
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${WIN32_ZLIB_PATH}/compress.c
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${WIN32_ZLIB_PATH}/crc32.c
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${WIN32_ZLIB_PATH}/deflate.c
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${WIN32_ZLIB_PATH}/gzlib.c
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${WIN32_ZLIB_PATH}/gzread.c
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${WIN32_ZLIB_PATH}/gzwrite.c
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${WIN32_ZLIB_PATH}/infback.c
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${WIN32_ZLIB_PATH}/inffast.c
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${WIN32_ZLIB_PATH}/inflate.c
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${WIN32_ZLIB_PATH}/inftrees.c
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${WIN32_ZLIB_PATH}/trees.c
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${WIN32_ZLIB_PATH}/uncompr.c
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${WIN32_ZLIB_PATH}/zutil.c)
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add_library(zlib_internal STATIC ${ZLIB_SRCS})
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set(ZLIB_INCLUDE_DIRS ${WIN32_ZLIB_PATH})
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get_property(ZLIB_LIBRARIES TARGET zlib_internal PROPERTY LOCATION)
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set(ZLIB_FOUND 1)
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# Make sure zlib_internal is compiled before the libs.
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foreach (lib ${LWS_LIBRARIES})
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add_dependencies(${lib} zlib_internal)
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endforeach()
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endif()
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# Add helper files for Windows
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# (from ./lib perspective)
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set(WIN32_HELPERS_PATH ../win32port/win32helpers)
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# from our perspective in ./lib/plat/windows
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include_directories(../../${WIN32_HELPERS_PATH})
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list(APPEND SOURCES
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${WIN32_HELPERS_PATH}/gettimeofday.c
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)
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list(APPEND HDR_PRIVATE
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${WIN32_HELPERS_PATH}/gettimeofday.h
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)
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#
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# Keep explicit parent scope exports at end
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#
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exports_to_parent_scope()
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set(WIN32_HELPERS_PATH ${WIN32_HELPERS_PATH} PARENT_SCOPE)
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set(HDR_PRIVATE ${HDR_PRIVATE} PARENT_SCOPE)
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set(ZLIB_FOUND ${ZLIB_FOUND} PARENT_SCOPE)
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set(LIB_LIST_AT_END ${LIB_LIST_AT_END} PARENT_SCOPE)
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