http://llvm.org/bugs/show_bug.cgi?id=8339
Summary: Clang driver has trouble parsing Gentoo-built linker
version string
Product: clang
Version: trunk
Platform: PC
OS/Version: MacOS X
Status: NEW
Severity: normal
Priority: P
Component: Driver
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Daniel, have I got a pathological driver test case for you.
I have a Gentoo prefix installed on one of my systems. As you may or may not
know, this is a setup where a Gentoo directory tree is installed in some other
directory on the system. This being Gentoo, they insist on building everything,
including the compiler and linker, from source.
Since the linker gets built from source (with patches), the version string is
modified like so:
c...@chips-computer-3 ~ $ ld -v
@(#)PROGRAM:ld PROJECT:ld64-97.14 (Gentoo binutils-apple-3.2.3-r1)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Note the added part in parentheses (with Clang-style emphasis added by me).
This isn't present in normal Apple builds of the linker. Unfortunately, the
-mlinker-version argument barfs on this when the driver passes it to the
frontend. This causes the tests Driver/hello.c and Driver/nostdincxx.cpp to
fail horribly.
I think we need to chop off the part in the parentheses when we build the
driver. What do you think?
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