gdb and binutils branch master updated. 6bf045cd32d07ae55d7eec8ff94bd937c6bb2bce

[ppalka at sourceware dot org]

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https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=6bf045cd32d07ae55d7eec8ff94bd937c6bb2bce

commit 6bf045cd32d07ae55d7eec8ff94bd937c6bb2bce
Author: Patrick Palka <patrick@parcs.ath.cx>
Date:   Sun Nov 30 11:47:16 2014 -0500

    Don't munge yacc's #line directives
    
    The #line directives within GDB's autogenerated yacc files (e.g.
    c-exp.c) are being incorrectly munged, causing these directives to refer
    to nonexistent source files, e.g.
    
     #line 36 "/home/patrick/binutils-gdb/gdb//home/patrick/binutils-gdb/gdb/c-exp.y"
    
    as opposed to
    
      #line 36 "/home/patrick/binutils-gdb/gdb/c-exp.y"
    
    The munging happens due to a sed expression added by commit 954d8cae
    whose intended purpose[1] was to work around the fact that ylwrap emitted #line
    directives without any directory information, e.g.
    
      #line 36 "c-exp.y"
    
    So the sed expression was meant to munge such directives to refer to
    absolute paths instead.  But the behavior of ylwrap was changed some
    years ago[2] to emit absolute paths within #line directives.  And when
    our local copy of ylwrap was synced by commit e30465112, the sed
    expression in question became unnecessary, and indeed harmful.
    
    This patch removes the now-obsolete sed expression.  The emitted #line
    directives are now correct without it.
    
    gdb/ChangeLog:
    
    	* Makefile.in (.y.c): Don't munge yacc's #line
    	directives.
    
    [1]: https://sourceware.org/ml/gdb-patches/2010-11/msg00265.html
    [2]: http://git.savannah.gnu.org/cgit/automake.git/commit/lib/ylwrap?id=b6359a5f3

-----------------------------------------------------------------------

Summary of changes:
 gdb/ChangeLog   |    5 +++++
 gdb/Makefile.in |    1 -
 2 files changed, 5 insertions(+), 1 deletions(-)


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