On 04/13/2018 11:38 PM, Bruce Dubbs wrote:
Using the new instructions in the book O could not get rustc to build. I
was getting:
--- stderr
error: couldn't load codegen backend
"/tmp/rustc-test/rustc-1.25.0-src/build/x86_64-unknown-linux-gnu/stage1/lib/rustlib/x86_64-unknown-linux-gnu/codegen-backends/librustc_trans-llvm.so":
"/tmp/rustc-test/rustc-1.25.0-src/build/x86_64-unknown-linux-gnu/stage1/lib/rustlib/x86_64-unknown-linux-gnu/codegen-backends/librustc_trans-llvm.so:
undefined symbol: ffi_type_float"
=======
Note: ffi_type_float is defined as a symbol in libffi.so.
When I removed the line
llvm-config = "/usr/bin/llvm-config"
from config.toml, it seem to work (still building, but past the problem
area.)
The build completed and everything seems OK. I do not know why rustc
does not like my version of clang.
$ clang --version
clang version 6.0.0 (tags/RELEASE_600/final)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /usr/bin
Do we need to adjust the book's instructions?
-- Bruce
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