linux/scripts/gcc-ld
Andi Kleen 8564ed2b38 Kbuild, lto: Add a gcc-ld script to let run gcc as ld
For LTO we need to run the link step with gcc, not ld.
Since there are a lot of linker options passed to it, add a gcc-ld wrapper
that wraps them as -Wl,

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Link: http://lkml.kernel.org/r/1391846481-31491-10-git-send-email-ak@linux.intel.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2014-02-13 20:25:02 -08:00

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#!/bin/sh
# run gcc with ld options
# used as a wrapper to execute link time optimizations
# yes virginia, this is not pretty
ARGS="-nostdlib"
while [ "$1" != "" ] ; do
case "$1" in
-save-temps|-m32|-m64) N="$1" ;;
-r) N="$1" ;;
-[Wg]*) N="$1" ;;
-[olv]|-[Ofd]*|-nostdlib) N="$1" ;;
--end-group|--start-group)
N="-Wl,$1" ;;
-[RTFGhIezcbyYu]*|\
--script|--defsym|-init|-Map|--oformat|-rpath|\
-rpath-link|--sort-section|--section-start|-Tbss|-Tdata|-Ttext|\
--version-script|--dynamic-list|--version-exports-symbol|--wrap|-m)
A="$1" ; shift ; N="-Wl,$A,$1" ;;
-[m]*) N="$1" ;;
-*) N="-Wl,$1" ;;
*) N="$1" ;;
esac
ARGS="$ARGS $N"
shift
done
exec $CC $ARGS