mirror of
https://github.com/MaskRay/ccls.git
synced 2024-11-25 00:55:08 +00:00
52 lines
1.9 KiB
CMake
52 lines
1.9 KiB
CMake
# Downloads and extracts the 7-Zip MSI installer from https://www.7-zip.org/.
|
|
#
|
|
# Returns the extracted 7-Zip directory in DOWNLOADED_7ZIP_DIR
|
|
function(download_and_extract_7zip 7ZIP_DOWNLOAD_LOCATION)
|
|
|
|
set(7ZIP_VERSION 1801)
|
|
set(7ZIP_EXT .msi)
|
|
set(7ZIP_NAME 7z${7ZIP_VERSION}-x64)
|
|
set(7ZIP_FULL_NAME ${7ZIP_NAME}${7ZIP_EXT})
|
|
|
|
set(7ZIP_FILE ${7ZIP_DOWNLOAD_LOCATION}/${7ZIP_FULL_NAME})
|
|
set(7ZIP_EXTRACT_DIR ${7ZIP_DOWNLOAD_LOCATION}/${7ZIP_NAME})
|
|
set(7ZIP_URL https://www.7-zip.org/a/${7ZIP_FULL_NAME})
|
|
|
|
# Exit if 7-Zip is already downloaded and extracted
|
|
find_program(7ZIP_EXECUTABLE 7z NO_DEFAULT_PATH
|
|
PATHS ${7ZIP_EXTRACT_DIR}/Files/7-Zip)
|
|
if(7ZIP_EXECUTABLE)
|
|
message(STATUS "7-Zip already downloaded")
|
|
return()
|
|
endif()
|
|
|
|
message(STATUS "Downloading 7-Zip ${7ZIP_VERSION} (${7ZIP_URL}) ...")
|
|
file(DOWNLOAD ${7ZIP_URL} ${7ZIP_FILE})
|
|
|
|
find_program(MSIEXEC_EXECUTABLE msiexec)
|
|
if(NOT MSIEXEC_EXECUTABLE)
|
|
message(FATAL_ERROR "Unable to find msiexec (required to extract 7-Zip msi \
|
|
installer). Install 7-Zip yourself and make sure it is available in the path")
|
|
endif()
|
|
|
|
message(STATUS "Extracting downloaded 7-Zip ...")
|
|
|
|
# msiexec requires Windows path separators (\)
|
|
file(TO_NATIVE_PATH ${7ZIP_FILE} 7ZIP_FILE)
|
|
file(TO_NATIVE_PATH ${7ZIP_EXTRACT_DIR} 7ZIP_EXTRACT_DIR)
|
|
|
|
# msiexec with /a option allows extraction of msi installers without requiring
|
|
# admin privileges. We use this to extract the 7-Zip installer without
|
|
# requiring any actions from the user
|
|
execute_process(COMMAND ${MSIEXEC_EXECUTABLE} /a ${7ZIP_FILE} /qn
|
|
TARGETDIR=${7ZIP_EXTRACT_DIR}
|
|
WORKING_DIRECTORY ${7ZIP_DOWNLOAD_LOCATION}
|
|
OUTPUT_QUIET)
|
|
|
|
# Convert back to CMake separators (/) before returning
|
|
file(TO_CMAKE_PATH ${7ZIP_EXTRACT_DIR} 7ZIP_EXTRACT_DIR)
|
|
|
|
# Actual 7-Zip directory is nested inside the extract directory.
|
|
set(DOWNLOADED_7ZIP_DIR ${7ZIP_EXTRACT_DIR}/Files/7-Zip PARENT_SCOPE)
|
|
|
|
endfunction() |