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.)
-- Bruce
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