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
69 lines
2.5 KiB
CMake
69 lines
2.5 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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# - 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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set(LWS_LIBUV_LIBRARIES CACHE PATH "Path to the libuv library")
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set(LWS_LIBUV_INCLUDE_DIRS CACHE PATH "Path to the libuv include directory")
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if (NOT LIBUV_FOUND)
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find_path(LIBUV_INCLUDE_DIRS NAMES uv.h)
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find_library(LIBUV_LIBRARIES NAMES uv)
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endif()
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message("libuv include dir: ${LIBUV_INCLUDE_DIRS}")
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message("libuv libraries: ${LIBUV_LIBRARIES}")
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include_directories("${LIBUV_INCLUDE_DIRS}")
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list(APPEND LIB_LIST ${LIBUV_LIBRARIES})
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if ("${LWS_LIBUV_LIBRARIES}" STREQUAL "" OR "${LWS_LIBUV_INCLUDE_DIRS}" STREQUAL "")
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else()
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set(LIBUV_LIBRARIES ${LWS_LIBUV_LIBRARIES})
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set(LIBUV_INCLUDE_DIRS ${LWS_LIBUV_INCLUDE_DIRS})
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endif()
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CHECK_INCLUDE_FILE(uv-version.h LWS_HAVE_UV_VERSION_H)
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# libuv changed the location in 1.21.0. Retain both
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# checks temporarily to ensure a smooth transition.
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if (NOT LWS_HAVE_UV_VERSION_H)
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CHECK_INCLUDE_FILE(uv/version.h LWS_HAVE_NEW_UV_VERSION_H)
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endif()
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if (LWS_WITH_NETWORK)
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list(APPEND SOURCES
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event-libs/libuv/libuv.c)
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endif()
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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(LWS_HAVE_UV_VERSION_H ${LWS_HAVE_UV_VERSION_H} PARENT_SCOPE)
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set(LWS_HAVE_NEW_UV_VERSION_H ${LWS_HAVE_NEW_UV_VERSION_H} PARENT_SCOPE)
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