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[CMake] macOS: Replace FetchPrebuilt.sh with FetchPrebuilt.cmake
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@past-due
past-due committed Jun 16, 2019
1 parent 7d62105 commit 2ae759b
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Showing 4 changed files with 266 additions and 221 deletions.
21 changes: 18 additions & 3 deletions macosx/cmake/FindQt5.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -5,21 +5,36 @@ cmake_minimum_required(VERSION 3.5)

get_filename_component(_qt5_framework_prefix "${CMAKE_BINARY_DIR}/macosx/external/QT" ABSOLUTE)

set(_download_script_path "${CMAKE_CURRENT_LIST_DIR}/../configs/fetchscripts/SetupPrebuiltComponents-QT.sh")
set(_download_script_path "${CMAKE_CURRENT_LIST_DIR}/../configs/FetchPrebuilt.cmake")
if(NOT EXISTS "${_qt5_framework_prefix}")
# Download the Qt5 minimal bundle for macOS to the build dir

set(_qt5_dl_filename "QT-5.9.7.tgz")
set(_qt5_dl_url "https://github.com/past-due/wz2100-mac-build-tools/raw/master/QT-5.9.7.tgz")
set(_qt5_dl_sha256 "46c385d424512f1d01cd1a7458b4001737a81542ac63c528a171e342aa1c323b")

if(NOT EXISTS "${_download_script_path}")
message( FATAL_ERROR "Missing required download script: \"${_download_script_path}\"" )
endif()

message( STATUS "Downloading missing Qt5 minimal bundle to: \"${_qt5_framework_prefix}\"" )
execute_process(
COMMAND ${CMAKE_COMMAND} -E make_directory macosx
WORKING_DIRECTORY "${CMAKE_BINARY_DIR}"
)
execute_process(
COMMAND bash ${_download_script_path}
WORKING_DIRECTORY "${CMAKE_BINARY_DIR}/macosx"
COMMAND ${CMAKE_COMMAND}
-DFILENAME=${_qt5_dl_filename}
-DURL=${_qt5_dl_url}
-DEXPECTED_SHA256=${_qt5_dl_sha256}
-DOUT_DIR=QT
-P ${_download_script_path}
WORKING_DIRECTORY "${CMAKE_BINARY_DIR}"
RESULT_VARIABLE _exstatus
)
if(NOT _exstatus EQUAL 0)
message(FATAL_ERROR "Failed to download Qt5 minimal bundle")
endif()
endif()

if(NOT IS_DIRECTORY "${_qt5_framework_prefix}")
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248 changes: 248 additions & 0 deletions macosx/configs/FetchPrebuilt.cmake
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@@ -0,0 +1,248 @@
#
# Required input defines:
# - FILENAME
# - URL
# - EXPECTED_SHA256
# - OUT_DIR
#
#######################################################################
#
# Note:
#
# This contains several functions adapted from CMake modules licensed
# under the CMake license (https://cmake.org/licensing)
# (See below.)
#
########################################################################
#
# CMake - Cross Platform Makefile Generator
# Copyright 2000-2019 Kitware, Inc. and Contributors
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# * Neither the name of Kitware, Inc. nor the names of Contributors
# may be used to endorse or promote products derived from this
# software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
#######################################################################
#

set(REQUIRED_INPUT_DEFINES FILENAME URL EXPECTED_SHA256 OUT_DIR)
foreach(_input_define ${REQUIRED_INPUT_DEFINES})
if(NOT DEFINED ${_input_define} OR "${${_input_define}}" STREQUAL "")
message( FATAL_ERROR "Missing required input define: ${_input_define}" )
endif()
endforeach()

#######################################################################

set(_dl_directory "macosx/prebuilt")
set(_extract_directory "macosx/external")

get_filename_component(_full_extract_directory "${_extract_directory}/${OUT_DIR}" ABSOLUTE)

#######################################################################

if(EXISTS "${_full_extract_directory}/.SHA256SumLoc")
file(READ "${_full_extract_directory}/.SHA256SumLoc" _strings_existing_sha256 ENCODING UTF-8)
if(_strings_existing_sha256 STREQUAL EXPECTED_SHA256)
# Already have expected download - skip
message(STATUS "Already downloaded: ${_full_extract_directory}; skipping")
return()
else()
# Not the expected version / content - remove the existing extracted directory
file(REMOVE_RECURSE "${_full_extract_directory}")
endif()
unset(_strings_existing_sha256)
endif()

set(_download_file TRUE)
if(EXISTS "${_dl_directory}/${FILENAME}")
message(STATUS "Verifying existing download: ${FILENAME}")
file(SHA256 "${_dl_directory}/${FILENAME}" _dl_hash)
if(_dl_hash STREQUAL EXPECTED_SHA256)
# Skip download (re-use existing)
message(STATUS "Re-using existing download: ${FILENAME}")
set(_download_file FALSE)
else()
# Remove existing (outdated) download
message(STATUS "Removing outdated (or corrupt) existing download: ${FILENAME}")
file(REMOVE "${_dl_directory}/${FILENAME}")
endif()
endif()

#######################################################################
# Download file (if needed)

if(_download_file)

message(STATUS "Downloading: ${URL}")

# FileDownloadRetry adapted from: https://github.com/Kitware/CMake/blob/master/Modules/ExternalProject-download.cmake.in
function(FileDownloadRetry _url _destination _expectedSHA256Hash)
set(retry_number 3)
set(_dl_attempts 0)
set(_dl_success FALSE)
get_filename_component(_dl_filename "${_destination}" NAME)
while(NOT _dl_success AND _dl_attempts LESS ${retry_number})
if(EXISTS "${_destination}")
file(REMOVE "${_destination}")
endif()
file(
DOWNLOAD "${_url}" "${_destination}"
INACTIVITY_TIMEOUT 60
SHOW_PROGRESS
TLS_VERIFY ON
STATUS _dl_status
LOG _dl_log
)
list(GET _dl_status 0 _dl_status_code)
list(GET _dl_status 1 _dl_status_string)
if (_dl_status_code EQUAL 0)
# Check hash
message(STATUS "Verifying download: ${_dl_filename}")
file(SHA256 "${_destination}" _dl_hash)
if(NOT _dl_hash STREQUAL _expectedSHA256Hash)
message(STATUS "SHA256 does not match for \"${_destination}\": (received: ${_dl_hash}) (expecting: ${_expectedSHA256Hash}); removing...")
else()
# Successful download
set(_dl_success TRUE)
endif()
else()
MATH(EXPR _num_attempt "${_dl_attempts}+1")
string(APPEND _logDLFailures "[Attempt ${_num_attempt}] has failed\n")
string(APPEND _logDLFailures "status_code: ${_dl_status_code}\n")
string(APPEND _logDLFailures "status_string: ${_dl_status_string}\n")
string(APPEND _logDLFailures "--- LOG BEGIN ---\n")
string(APPEND _logDLFailures "${_dl_log}\n")
string(APPEND _logDLFailures "--- LOG END ---\n\n")
message(STATUS "Error (${_dl_status_code}); Attempt (${_num_attempt})...")
endif()
MATH(EXPR _dl_attempts "${_dl_attempts}+1")
endwhile()

if(_dl_success)
message(STATUS "Download successful")
else()
message(FATAL_ERROR "Failed to download: ${_url}\n${_logDLFailures}")
endif()
endfunction()

FileDownloadRetry("${URL}" "${_dl_directory}/${FILENAME}" "${EXPECTED_SHA256}")

endif()

#######################################################################
# Extracting

# ExtractFile adapted from: https://github.com/Kitware/CMake/blob/master/Modules/ExternalProject.cmake
function(ExtractFile filename directory)

set(_tar_args "")

if(filename MATCHES "(\\.|=)(7z|tar\\.bz2|tar\\.gz|tar\\.xz|tbz2|tgz|txz|zip)$")
set(_tar_args xfz)
endif()

if(filename MATCHES "(\\.|=)tar$")
set(_tar_args xf)
endif()

if(_tar_args STREQUAL "")
message(FATAL_ERROR "error: do not know how to extract '${filename}' -- known types are .7z, .tar, .tar.bz2, .tar.gz, .tar.xz, .tbz2, .tgz, .txz and .zip")
return()
endif()

# Make file names absolute:
#
get_filename_component(filename "${filename}" ABSOLUTE)
get_filename_component(directory "${directory}" ABSOLUTE)

message(STATUS "extracting...
src='${filename}'
dst='${directory}'")

if(NOT EXISTS "${filename}")
message(FATAL_ERROR "error: file to extract does not exist: '${filename}'")
endif()

# Prepare a space for extracting:
#
get_filename_component(tmpdir_name "${filename}" NAME_WE)
set(i 1234)
while(EXISTS "${directory}/../ex-${tmpdir_name}${i}")
math(EXPR i "${i} + 1")
endwhile()
set(ut_dir "${directory}/../ex-${tmpdir_name}${i}")
file(MAKE_DIRECTORY "${ut_dir}")

# Extract it:
#
message(STATUS "extracting... [tar ${_tar_args}]")
execute_process(
COMMAND ${CMAKE_COMMAND} -E tar ${_tar_args} ${filename}
WORKING_DIRECTORY "${ut_dir}"
RESULT_VARIABLE rv
)

if(NOT rv EQUAL 0)
message(STATUS "extracting... [error clean up]")
file(REMOVE_RECURSE "${ut_dir}")
message(FATAL_ERROR "error: extract of '${filename}' failed")
endif()

# Analyze what came out of the tar file:
#
message(STATUS "extracting... [analysis]")
file(GLOB contents "${ut_dir}/*")
list(REMOVE_ITEM contents "${ut_dir}/.DS_Store")
list(LENGTH contents n)
if(NOT n EQUAL 1 OR NOT IS_DIRECTORY "${contents}")
set(contents "${ut_dir}")
endif()

# Move "the one" directory to the final directory:
#
message(STATUS "extracting... [rename]")
file(REMOVE_RECURSE "${directory}")
get_filename_component(contents "${contents}" ABSOLUTE)
file(RENAME "${contents}" "${directory}")

# Clean up:
#
message(STATUS "extracting... [clean up]")
file(REMOVE_RECURSE "${ut_dir}")
message(STATUS "extracting... done")

endfunction()

ExtractFile("${_dl_directory}/${FILENAME}" "${_full_extract_directory}")

# Save the SHA256
file(WRITE "${_full_extract_directory}/.SHA256SumLoc" "${EXPECTED_SHA256}")

#######################################################################

message(STATUS "Downloaded and extracted to: ${_full_extract_directory}")

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