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,
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| 1 | +#!/bin/sh | |
| 2 | +# run gcc with ld options | |
| 3 | +# used as a wrapper to execute link time optimizations | |
| 4 | +# yes virginia, this is not pretty | |
| 5 | + | |
| 6 | +ARGS="-nostdlib" | |
| 7 | + | |
| 8 | +while [ "$1" != "" ] ; do | |
| 9 | + case "$1" in | |
| 10 | + -save-temps|-m32|-m64) N="$1" ;; | |
| 11 | + -r) N="$1" ;; | |
| 12 | + -[Wg]*) N="$1" ;; | |
| 13 | + -[olv]|-[Ofd]*|-nostdlib) N="$1" ;; | |
| 14 | + --end-group|--start-group) | |
| 15 | + N="-Wl,$1" ;; | |
| 16 | + -[RTFGhIezcbyYu]*|\ | |
| 17 | +--script|--defsym|-init|-Map|--oformat|-rpath|\ | |
| 18 | +-rpath-link|--sort-section|--section-start|-Tbss|-Tdata|-Ttext|\ | |
| 19 | +--version-script|--dynamic-list|--version-exports-symbol|--wrap|-m) | |
| 20 | + A="$1" ; shift ; N="-Wl,$A,$1" ;; | |
| 21 | + -[m]*) N="$1" ;; | |
| 22 | + -*) N="-Wl,$1" ;; | |
| 23 | + *) N="$1" ;; | |
| 24 | + esac | |
| 25 | + ARGS="$ARGS $N" | |
| 26 | + shift | |
| 27 | +done | |
| 28 | + | |
| 29 | +exec $CC $ARGS | |