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llvm-mingw/build-libssp.sh
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Martin Storsjö 4ee7cc97de build-libssp: Stop building the real libssp from GCC
As mingw-w64 now provides these routines, we no longer need to build
the original library from GCC.

As building with -fstack-protector-strong still links with -lssp
(and -lssp_nonshared), we still need to provide libraries with these
names, but they can be empty dummy libraries.
2023-01-29 01:09:17 +02:00

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#!/bin/sh
#
# Copyright (c) 2018 Martin Storsjo
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
set -e
while [ $# -gt 0 ]; do
case "$1" in
*)
PREFIX="$1"
;;
esac
shift
done
if [ -z "$PREFIX" ]; then
echo "$0 dest"
exit 1
fi
mkdir -p "$PREFIX"
PREFIX="$(cd "$PREFIX" && pwd)"
export PATH="$PREFIX/bin:$PATH"
: ${ARCHS:=${TOOLCHAIN_ARCHS-i686 x86_64 armv7 aarch64}}
for arch in $ARCHS; do
if [ ! -f $PREFIX/$arch-w64-mingw32/lib/libssp.a ]; then
# Create empty dummy archives, to avoid failing when the compiler
# driver adds "-lssp -lssh_nonshared" when linking.
llvm-ar rcs $PREFIX/$arch-w64-mingw32/lib/libssp.a
llvm-ar rcs $PREFIX/$arch-w64-mingw32/lib/libssp_nonshared.a
fi
done