[LLVMbugs] [Bug 4342] New: llvm-gcc frontend passes non-absolute path to gold plugin

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=4342

           Summary: llvm-gcc frontend passes non-absolute path to gold
                    plugin
           Product: tools
           Version: trunk
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: llvm-gcc
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: nicholas at mxc.ca
                CC: rafael.espindola at gmail.com, llvmbugs at cs.uiuc.edu


If I run "llvm-gcc -use-gold-plugin -flto -O2 hello.c -o hello" then llvm-gcc
will run collect2 with "-plugin-opt=gcc=llvm-gcc" which doesn't work. It's
expecting a full path (in my case /usr/local/bin/llvm-gcc).

Can we fix this in the gcc frontend (so it always passes the absolute path to
itself)? Or do we need to make libLTO willing to do a PATH lookup?


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