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Add SHA256 hashes of LLVM downloads and check them when downloading LLVM

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This commit is contained in:
Daan De Meyer 2018-03-18 23:57:26 +01:00 committed by Fangrui Song
parent 193d42ea78
commit 25094bc70d
9 changed files with 43 additions and 14 deletions
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1
clang_archive_hashes/LLVM-5.0.1-win64.exe.SHA256 Normal file
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@ -0,0 +1 @@
981543611d719624acb29a2cffd6a479cff36e8ab5ee8a57d8eca4f9c4c6956f

1
clang_archive_hashes/LLVM-6.0.0-win64.exe.SHA256 Normal file
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@ -0,0 +1 @@
2501887b2f638d3f65b0336f354b96f8108b563522d81e841d5c88c34af283dd

1
clang_archive_hashes/clang+llvm-5.0.1-amd64-unknown-freebsd10.tar.xz.SHA256 Normal file
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@ -0,0 +1 @@
86148b850e78aff743e7aaac337a3a94e9ad16d59ee6629a5ff699c31a73c55b

1
clang_archive_hashes/clang+llvm-5.0.1-x86_64-apple-darwin.tar.xz.SHA256 Normal file
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@ -0,0 +1 @@
c5b105c4960619feb32641ef051fa39ecb913cc0feb6bacebdfa71f8d3cae277

1
clang_archive_hashes/clang+llvm-5.0.1-x86_64-linux-gnu-ubuntu-14.04.tar.xz.SHA256 Normal file
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@ -0,0 +1 @@
9e61c6669991e2f0d065348c95917b2c6b697d75098b60ec1c2e9f17093ce012

1
clang_archive_hashes/clang+llvm-6.0.0-amd64-unknown-freebsd-10.tar.xz.SHA256 Normal file
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@ -0,0 +1 @@
fee8352f5dee2e38fa2bb80ab0b5ef9efef578cbc6892e5c724a1187498119b7

1
clang_archive_hashes/clang+llvm-6.0.0-x86_64-apple-darwin.tar.xz.SHA256 Normal file
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@ -0,0 +1 @@
0ef8e99e9c9b262a53ab8f2821e2391d041615dd3f3ff36fdf5370916b0f4268

1
clang_archive_hashes/clang+llvm-6.0.0-x86_64-linux-gnu-ubuntu-14.04.tar.xz.SHA256 Normal file
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@ -0,0 +1 @@
114e78b2f6db61aaee314c572e07b0d635f653adc5d31bd1cd0bf31a3db4a6e5

49
cmake/DownloadAndExtractLLVM.cmake
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@ -1,6 +1,6 @@
# Downloads and extracts the LLVM archive for the current system from
# https://releases.llvm.org
#
#
# Returns the extracted LLVM archive directory in DOWNLOADED_CLANG_DIR
#
# Downloads 7-Zip to extract LLVM if it isn't available in the PATH
@ -12,13 +12,8 @@ set(CLANG_ARCHIVE_EXT .tar.xz)
if(${CMAKE_SYSTEM_NAME} STREQUAL Linux)
if(${CLANG_VERSION} STREQUAL 5.0.0)
set(CLANG_ARCHIVE_NAME
clang+llvm-${CLANG_VERSION}-linux-x86_64-ubuntu14.04)
else()
set(CLANG_ARCHIVE_NAME
clang+llvm-${CLANG_VERSION}-x86_64-linux-gnu-ubuntu-14.04)
endif()
set(CLANG_ARCHIVE_NAME
clang+llvm-${CLANG_VERSION}-x86_64-linux-gnu-ubuntu-14.04)
elseif(${CMAKE_SYSTEM_NAME} STREQUAL Darwin)
@ -39,19 +34,45 @@ elseif(${CMAKE_SYSTEM_NAME} STREQUAL FreeBSD)
endif()
if(NOT CLANG_ARCHIVE_NAME)
message(FATAL_ERROR "No download available for ${CMAKE_SYSTEM_NAME} + \
${CLANG_VERSION}")
message(FATAL_ERROR "No LLVM archive url specified for current platform \
(${CMAKE_SYSTEM_NAME}). Please file an issue to get it added.")
endif()
set(CLANG_ARCHIVE_FULL_NAME ${CLANG_ARCHIVE_NAME}${CLANG_ARCHIVE_EXT})
set(CLANG_ARCHIVE_FILE ${CMAKE_BINARY_DIR}/${CLANG_ARCHIVE_FULL_NAME})
set(CLANG_ARCHIVE_EXTRACT_DIR ${CMAKE_BINARY_DIR}/${CLANG_ARCHIVE_NAME})
set(CLANG_ARCHIVE_URL
set(CLANG_ARCHIVE_URL
https://releases.llvm.org/${CLANG_VERSION}/${CLANG_ARCHIVE_FULL_NAME})
set(CLANG_ARCHIVE_HASH_FILE
${CMAKE_SOURCE_DIR}/clang_archive_hashes/${CLANG_ARCHIVE_FULL_NAME}.SHA256)
if(NOT EXISTS ${CLANG_ARCHIVE_HASH_FILE})
message(FATAL_ERROR "No SHA256 hash available for the current platform \
(${CMAKE_SYSTEM_NAME}) + clang version (${CLANG_VERSION}) combination. Please \
file an issue to get it added.")
endif()
file(READ ${CLANG_ARCHIVE_HASH_FILE} CLANG_ARCHIVE_EXPECTED_HASH)
# Strip newline
string(STRIP ${CLANG_ARCHIVE_EXPECTED_HASH} CLANG_ARCHIVE_EXPECTED_HASH)
if(NOT EXISTS ${CLANG_ARCHIVE_FILE})
message(STATUS "Downloading LLVM ${CLANG_VERSION} (${CLANG_ARCHIVE_URL}) ...")
file(DOWNLOAD ${CLANG_ARCHIVE_URL} ${CLANG_ARCHIVE_FILE})
file(DOWNLOAD ${CLANG_ARCHIVE_URL} ${CLANG_ARCHIVE_FILE}
STATUS CLANG_ARCHIVE_DOWNLOAD_RESULT)
list(GET ${CLANG_ARCHIVE_DOWNLOAD_RESULT} 0 ERROR_CODE)
if(${ERROR_CODE})
list(GET ${CLANG_ARCHIVE_DOWNLOAD_RESULT} 1 ERROR_STRING)
message(FATAL_ERROR ${ERROR_STRING})
endif()
endif()
file(SHA256 ${CLANG_ARCHIVE_FILE} CLANG_ARCHIVE_HASH)
if(NOT ${CLANG_ARCHIVE_EXPECTED_HASH} STREQUAL ${CLANG_ARCHIVE_HASH})
message(FATAL_ERROR "SHA256 hash of downloaded LLVM does not match \
expected hash. Remove the build directory and try running CMake again. If this \
keeps happening, file an issue to report the problem.")
endif()
if(NOT EXISTS ${CLANG_ARCHIVE_EXTRACT_DIR})
@ -61,7 +82,7 @@ if(NOT EXISTS ${CLANG_ARCHIVE_EXTRACT_DIR})
if(NOT 7ZIP_EXECUTABLE)
message(STATUS "7-Zip not found in PATH")
download_and_extract_7zip()
find_program(7ZIP_EXECUTABLE 7z NO_DEFAULT_PATH
find_program(7ZIP_EXECUTABLE 7z NO_DEFAULT_PATH
PATHS ${DOWNLOADED_7ZIP_DIR})
else()
message(STATUS "7-Zip found in PATH")
@ -70,7 +91,7 @@ if(NOT EXISTS ${CLANG_ARCHIVE_EXTRACT_DIR})
message(STATUS "Extracting downloaded LLVM with 7-Zip ...")
# Avoid running the LLVM installer by extracting the exe with 7-Zip
execute_process(COMMAND ${7ZIP_EXECUTABLE} x
execute_process(COMMAND ${7ZIP_EXECUTABLE} x
-o${CLANG_ARCHIVE_EXTRACT_DIR}
-xr!$PLUGINSDIR ${CLANG_ARCHIVE_FILE}
OUTPUT_QUIET)