http://llvm.org/bugs/show_bug.cgi?id=12560
Bug #: 12560
Summary: Would be nice if linker stub is guaranteed to be
writable.
Product: tools
Version: trunk
Platform: PC
OS/Version: Windows NT
Status: NEW
Severity: enhancement
Priority: P
Component: llvm-ld
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Classification: Unclassified
If llvm-stub.exe is read-only (this is the case if it for instance is checked
in to the Perforce version control system), then after llvm-ld copies the stub
the destination stub will be read-only as well.
This can cause scripts to fail when cleaning up temp directories because they
contain files that are read-only. E.g. in python, shutil.rmtree() will fail if
the tree contains a read-only file.
The code change for this is to add:
if (0 != sys::Path(OutputFilename).makeWriteableOnDisk(&ErrMsg))
PrintAndExit(ErrMsg, M);
to llvm-ld.cpp in EmitShellScript() after the call to sys::CopyFile().
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