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[CMake] Remove byte hacks + add correct url's for different clang versions + abort for unsupported combinations (#532)

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This commit is contained in:
DaanDeMeyer 2018-03-18 21:16:42 +01:00 committed by Fangrui Song
parent ad88f707f7
commit 282ef8ce74
1 changed files with 16 additions and 31 deletions
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47
cmake/DownloadAndExtractLLVM.cmake
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@ -12,8 +12,13 @@ set(CLANG_ARCHIVE_EXT .tar.xz)
if(${CMAKE_SYSTEM_NAME} STREQUAL Linux)
set(CLANG_ARCHIVE_NAME
clang+llvm-${CLANG_VERSION}-x86_64-linux-gnu-ubuntu-14.04)
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-${CLANG_VERSION}-x86_64-linux-gnu-ubuntu-14.04)
endif()
elseif(${CMAKE_SYSTEM_NAME} STREQUAL Darwin)
@ -26,9 +31,16 @@ elseif(${CMAKE_SYSTEM_NAME} STREQUAL Windows)
elseif(${CMAKE_SYSTEM_NAME} STREQUAL FreeBSD)
# 6.0.0 uses freebsd-10 while 5.0.1 uses freebsd10
set(CLANG_ARCHIVE_NAME clang+llvm-${CLANG_VERSION}-amd64-unknown-freebsd-10)
if(${CLANG_VERSION} STREQUAL 6.0.0)
set(CLANG_ARCHIVE_NAME clang+llvm-${CLANG_VERSION}-amd64-unknown-freebsd-10)
else()
set(CLANG_ARCHIVE_NAME clang+llvm-${CLANG_VERSION}-amd64-unknown-freebsd10)
endif()
endif()
if(NOT CLANG_ARCHIVE_NAME)
message(FATAL_ERROR "No download available for ${CMAKE_SYSTEM_NAME} + \
${CLANG_VERSION}")
endif()
set(CLANG_ARCHIVE_FULL_NAME ${CLANG_ARCHIVE_NAME}${CLANG_ARCHIVE_EXT})
@ -68,33 +80,6 @@ if(NOT EXISTS ${CLANG_ARCHIVE_EXTRACT_DIR})
execute_process(COMMAND ${CMAKE_COMMAND} -E tar -xf ${CLANG_ARCHIVE_FILE}
OUTPUT_QUIET)
endif()
# There is a null pointer dereference issue in
# tools/libclang/CXIndexDataConsumer.cpp handleReference.
# https://github.com/cquery-project/cquery/issues/219
if(${CMAKE_SYSTEM_NAME} STREQUAL Linux AND
${CLANG_VERSION} MATCHES 4.0.0|5.0.1)
message(STATUS "Patching downloaded LLVM (see \
https://github.com/cquery-project/cquery/issues/219)")
if(${CLANG_VERSION} STREQUAL 4.0.0)
# 4289205 = $[0x4172b5] (we use decimals for seek since execute_process
# does not evaluate $[] bash syntax)
execute_process(COMMAND printf \\x4d
COMMAND dd
of=${CLANG_ARCHIVE_EXTRACT_DIR}/lib/libclang.so.4.0
obs=1 seek=4289205 conv=notrunc
OUTPUT_QUIET)
elseif(${CLANG_VERSION} STREQUAL 5.0.1)
# 4697806 = $[0x47aece]
execute_process(COMMAND printf \\x4d
COMMAND dd
of=${CLANG_ARCHIVE_EXTRACT_DIR}/lib/libclang.so.5.0
obs=1 seek=4697806 conv=notrunc
OUTPUT_QUIET)
endif()
endif()
endif()
# CMake functions have no return values so we just lift our return variable to