mirror of
https://github.com/neovim/neovim.git
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124 lines
3.1 KiB
CMake
124 lines
3.1 KiB
CMake
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if(NOT DEFINED PREFIX)
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message(FATAL_ERROR "PREFIX must be defined.")
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endif()
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if(NOT DEFINED URL)
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message(FATAL_ERROR "URL must be defined.")
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endif()
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if(NOT DEFINED DOWNLOAD_DIR)
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message(FATAL_ERROR "DOWNLOAD_DIR must be defined.")
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endif()
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if(NOT DEFINED EXPECTED_MD5)
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message(FATAL_ERROR "EXPECTED_MD5 must be defined.")
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endif()
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if(NOT DEFINED TARGET)
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message(FATAL_ERROR "TARGET must be defined.")
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endif()
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# Taken from ExternalProject_Add. Let's hope we can drop this one day when
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# ExternalProject_Add allows you to disable SHOW_PROGRESS on the file download.
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if(TIMEOUT)
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set(timeout_args TIMEOUT ${timeout})
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set(timeout_msg "${timeout} seconds")
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else()
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set(timeout_args "# no TIMEOUT")
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set(timeout_msg "none")
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endif()
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string(REGEX MATCH "[^/\\?]*$" fname "${URL}")
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if(NOT "${fname}" MATCHES "(\\.|=)(bz2|tar|tgz|tar\\.gz|zip)$")
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string(REGEX MATCH "([^/\\?]+(\\.|=)(bz2|tar|tgz|tar\\.gz|zip))/.*$" match_result "${URL}")
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set(fname "${CMAKE_MATCH_1}")
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endif()
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if(NOT "${fname}" MATCHES "(\\.|=)(bz2|tar|tgz|tar\\.gz|zip)$")
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message(FATAL_ERROR "Could not extract tarball filename from url:\n ${url}")
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endif()
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string(REPLACE ";" "-" fname "${fname}")
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set(file ${DOWNLOAD_DIR}/${fname})
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message(STATUS "file: ${file}")
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message(STATUS "downloading...
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src='${URL}'
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dst='${file}'
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timeout='${timeout_msg}'")
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file(DOWNLOAD ${URL} ${file}
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${timeout_args}
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EXPECTED_MD5 ${EXPECTED_MD5}
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STATUS status
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LOG log)
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list(GET status 0 status_code)
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list(GET status 1 status_string)
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if(NOT status_code EQUAL 0)
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message(FATAL_ERROR "error: downloading '${URL}' failed
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status_code: ${status_code}
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status_string: ${status_string}
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log: ${log}
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")
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endif()
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message(STATUS "downloading... done")
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set(SRC_DIR ${PREFIX}/src/${TARGET})
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# Slurped from a generated extract-TARGET.cmake file.
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message(STATUS "extracting...
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src='${file}'
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dst='${SRC_DIR}'")
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if(NOT EXISTS "${file}")
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message(FATAL_ERROR "error: file to extract does not exist: '${file}'")
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endif()
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# Prepare a space for extracting:
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#
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set(i 1234)
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while(EXISTS "${SRC_DIR}/../ex-${TARGET}${i}")
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math(EXPR i "${i} + 1")
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endwhile()
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set(ut_dir "${SRC_DIR}/../ex-${TARGET}${i}")
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file(MAKE_DIRECTORY "${ut_dir}")
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# Extract it:
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#
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message(STATUS "extracting... [tar xfz]")
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execute_process(COMMAND ${CMAKE_COMMAND} -E tar xfz ${file}
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WORKING_DIRECTORY ${ut_dir}
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RESULT_VARIABLE rv)
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if(NOT rv EQUAL 0)
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message(STATUS "extracting... [error clean up]")
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file(REMOVE_RECURSE "${ut_dir}")
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message(FATAL_ERROR "error: extract of '${file}' failed")
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endif()
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# Analyze what came out of the tar file:
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#
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message(STATUS "extracting... [analysis]")
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file(GLOB contents "${ut_dir}/*")
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list(LENGTH contents n)
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if(NOT n EQUAL 1 OR NOT IS_DIRECTORY "${contents}")
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set(contents "${ut_dir}")
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endif()
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# Move "the one" directory to the final directory:
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#
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message(STATUS "extracting... [rename]")
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file(REMOVE_RECURSE ${SRC_DIR})
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get_filename_component(contents ${contents} ABSOLUTE)
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file(RENAME ${contents} ${SRC_DIR})
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# Clean up:
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#
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message(STATUS "extracting... [clean up]")
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file(REMOVE_RECURSE "${ut_dir}")
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message(STATUS "extracting... done")
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