https://llvm.org/bugs/show_bug.cgi?id=26531
Bug ID: 26531
Summary: Clang ignores --gcc-toolchain, --sysroot, and -B when
looking for linker
Product: clang
Version: trunk
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: P
Component: Driver
Assignee: unassignedclangb...@nondot.org
Reporter: alexchan...@gmail.com
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
Despite a directory configuration of:
~/x86_64-unknown-linux-gnu/
~/x86_64-unknown-linux-gnu/bin/
~/x86_64-unknown-linux-gnu/bin/ld
~/x86_64-unknown-linux-gnu/bin/gcc
~/x86_64-unknown-linux-gnu/usr -> .
~/x86_64-unknown-linux-gnu/lib/
~/x86_64-unknown-linux-gnu/lib/gcc/
~/x86_64-unknown-linux-gnu/lib/gcc/x86_64-unknown-linux-gnu/
~/x86_64-unknown-linux-gnu/lib/gcc/x86_64-unknown-linux-gnu/5 -> ../../../bin
Clang absolutely refuses to invoke ~/x86_64-unknown-linux-gnu/bin/ld as the
linker, instead using /usr/bin/ld. Setting --sysroot and -B do not help.
Tested with `clang --gcc-toolchain=/Users/alex/x86_64-unknown-linux-gnu`,
`clang --gcc-toolchain=/Users/alex/x86_64-unknown-linux-gnu/bin`, `clang
--gcc-toolchain=/Users/alex/x86_64-unknown-linux-gnu/lib`, `clang
--gcc-toolchain=/Users/alex/x86_64-unknown-linux-gnu/lib/gcc`, `clang
--gcc-toolchain=/Users/alex/x86_64-unknown-linux-gnu/lib/gcc/x86_64-unknown-linux-gnu`,
and `clang
--gcc-toolchain=/Users/alex/x86_64-unknown-linux-gnu/lib/gcc/x86_64-unknown-linux-gnu/5`.
Why is it so hard to use LLD with clang ?!?!?
Notes: Tested on OSX x86_64 with clang trunk. ~ is /Users/alex.
~/x86_64-unknown-linux-gnu also contains myriad headers and libraries as
appropriate for a toolchain. ~/x86_64-unknown-linux-gnu/bin/ld is a shell
script that forwards arguments to `lld-gnu -target x86_64-unknown-linux-gnu`.
~/x86_64-unknown-linux-gnu/bin/gcc is a shell script that invokes clang.
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