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| author | Andi Kleen <ak@linux.intel.com> | 2014-02-08 09:01:14 +0100 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2014-02-13 20:25:02 -0800 |
| commit | 8564ed2b3888176ac323eefea1722003daeba3d3 (patch) | |
| tree | 19b3860eb1110a2a876410b59a537c174aaa7082 | |
| parent | ccbef1674a1579842c7dbdf554efca85d2cd245a (diff) | |
| download | linux-8564ed2b3888176ac323eefea1722003daeba3d3.tar.bz2 | |
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>
| -rw-r--r-- | scripts/gcc-ld | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/scripts/gcc-ld b/scripts/gcc-ld new file mode 100644 index 000000000000..cadab9a13ed7 --- /dev/null +++ b/scripts/gcc-ld @@ -0,0 +1,29 @@ +#!/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 |