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Allow Clang version and architecture to be overridden.

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This commit is contained in:
Paul Smith 2019-01-19 15:31:58 -05:00
parent 7a79ed92b2
commit 9cfc0abe5b
1 changed files with 21 additions and 8 deletions
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29
cmake/DownloadAndExtractClang.cmake
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@ -6,27 +6,40 @@
# Downloads 7-Zip to extract Clang if it isn't available in the PATH
function(download_and_extract_clang CLANG_DOWNLOAD_LOCATION)
set(CLANG_VERSION 7.0.0)
set(CLANG_ARCHIVE_EXT .tar.xz)
set(CLANG_VERSION 7.0.0
CACHE STRING "Version of Clang to download")
if(${CMAKE_SYSTEM_NAME} STREQUAL Linux)
# Default to Ubuntu 16.04
set(CLANG_ARCHIVE_NAME
clang+llvm-${CLANG_VERSION}-x86_64-linux-gnu-ubuntu-16.04)
set(_default_CLANG_ARCH x86_64-linux-gnu-ubuntu-16.04)
elseif(${CMAKE_SYSTEM_NAME} STREQUAL Darwin)
set(CLANG_ARCHIVE_NAME clang+llvm-${CLANG_VERSION}-x86_64-apple-darwin)
set(_default_CLANG_ARCH x86_64-apple-darwin)
elseif(${CMAKE_SYSTEM_NAME} STREQUAL Windows)
set(CLANG_ARCHIVE_NAME LLVM-${CLANG_VERSION}-win64)
set(CLANG_ARCHIVE_EXT .exe)
set(_default_CLANG_ARCH win64)
elseif(${CMAKE_SYSTEM_NAME} STREQUAL FreeBSD)
set(CLANG_ARCHIVE_NAME clang+llvm-${CLANG_VERSION}-amd64-unknown-freebsd11)
set(_default_CLANG_ARCH amd64-unknown-freebsd11)
endif()
set(CLANG_ARCH_NAME ${_default_CLANG_ARCH}
CACHE STRING "Clang downlaod architecture")
if(${CMAKE_SYSTEM_NAME} STREQUAL Windows)
set(CLANG_ARCHIVE_NAME LLVM-${CLANG_VERSION}-${CLANG_ARCH_NAME})
set(CLANG_ARCHIVE_EXT .exe)
else()
set(CLANG_ARCHIVE_NAME clang+llvm-${CLANG_VERSION}-${CLANG_ARCH_NAME})
set(CLANG_ARCHIVE_EXT .tar.xz)
endif()