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From: "asharif.tools at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sources.redhat.com
Subject: [Bug libc/13695] New: glibc doesn't build properly with -frecord-gcc-switches in CFLAGS
Date: Wed, 15 Feb 2012 18:54:00 -0000
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http://sourceware.org/bugzilla/show_bug.cgi?id=13695

             Bug #: 13695
           Summary: glibc doesn't build properly with
                    -frecord-gcc-switches in CFLAGS
           Product: glibc
           Version: 2.11
            Status: NEW
          Severity: normal
          Priority: P2
         Component: libc
        AssignedTo: drepper.fsp@gmail.com
        ReportedBy: asharif.tools@gmail.com
    Classification: Unclassified


Reproduction:

1. Build a toolchain with CFLAGS="-frecord-gcc-switches".
2. Try building an executable with gold as the linker. It will fail.

See: http://sources.redhat.com/ml/binutils/2011-11/msg00238.html

The reason is the following:

"""The glibc/csu/Makefile runs this code through a sed script that
deletes everything between HEADER_ENDS and _init_PROLOG_BEGINS, which
loses the ".text" directive, and the code for call_gmon_start ends up
placed in the .GCC.command.line section."""

taken from this ML thread:

http://sources.redhat.com/ml/binutils/2012-02/msg00109.html

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