git: gcc50: Switch final specs to set DT_RUNPATH tag

[John Marino]

commit 0d2ea3af92127a10961ca1d0332ec09bb20d5703
Author: John Marino <draco at marino.st>
Date:   Mon Mar 23 09:32:54 2015 +0100

    gcc50: Switch final specs to set DT_RUNPATH tag
    
    The system dynamic binaries have always been built with DT_RPATH set
    by the linker.  A few years ago the dynamic linker gained DT_RUNPATH
    capability but it hasn't been used in base.
    
    How it works is that when the linker is given the -rpath switch, it
    will always set DT_RPATH, but if the --enable-new-dtags switch is present,
    the linker will also set DT_RUNPATH tag.  The dynamic linker reacts
    differently when DT_RUNPATH is present; it will check LD_LIBRARY_PATH
    before the rpath in that case.
    
    This change (to gcc50 only) builds the system with the -rpath flag alone
    by for the ctools compiler, but the final compiler's specs include the
    --enable-new-dtags switch as well, which affects the building of ports and
    all non-system use of the compiler.

Summary of changes:
 gnu/usr.bin/cc50/Makefile.inc                      |  4 ++++
 gnu/usr.bin/cc50/cc_prep/config/dragonfly-native.h | 11 ++++++++---
 2 files changed, 12 insertions(+), 3 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/0d2ea3af92127a10961ca1d0332ec09bb20d5703


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