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Author SHA1 Message Date
serge-sans-paille 1e70ec10eb [lld] Provide a hook to customize undefined symbols error handling 
This is a follow up to https://reviews.llvm.org/D87758, implementing the missing
symbol part, as done by binutils.

Differential Revision: https://reviews.llvm.org/D89687
 2020-11-09 13:28:48 +01:00
serge-sans-paille cfc32267e2 Provide a hook to customize missing library error handling 
Make it possible for lld users to provide a custom script that would help to
find missing libraries. A possible scenario could be:

    % clang /tmp/a.c -fuse-ld=lld -loauth -Wl,--error-handling-script=/tmp/addLibrary.py
    unable to find library -loauth
    looking for relevant packages to provides that library

        liboauth-0.9.7-4.el7.i686
        liboauth-devel-0.9.7-4.el7.i686
        liboauth-0.9.7-4.el7.x86_64
        liboauth-devel-0.9.7-4.el7.x86_64
        pix-1.6.1-3.el7.x86_64

Where addLibrary would be called with the missing library name as first argument
(in that case addLibrary.py oauth)

Differential Revision: https://reviews.llvm.org/D87758
 2020-11-03 11:01:29 +01:00