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build: enable builds with libpathrs

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pathrs-lite supports transparently switching to libpathrs.so as the
backend with the "libpathrs" build tag. In order to make this work
properly with our CI and release build scripts, we we need to have a
similar setup as with we do with libseccomp.

Signed-off-by: Aleksa Sarai <cyphar@cyphar.com>
This commit is contained in:
Aleksa Sarai
2026-02-03 21:31:12 +01:00
parent b58e342758
commit 8689e50cbe
6 changed files with 213 additions and 26 deletions
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script/lib.sh
+31 -16
View File
@@ -1,41 +1,56 @@
#!/bin/bash
# get_platform computes the platform section of target triples on this OS.
function get_platform() {
# Fedora doesn't have ID_LIKE and only has ID=fedora, so we need to
# construct a fake ID_LIKE to treat AlmaLinux and Fedora the same way.
local ID_LIKE
# shellcheck source=/etc/os-release disable=SC1091 # outside our sources
ID_LIKE="$(
source /etc/os-release
echo "${ID:-} ${ID_LIKE:-}"
)"
local PLATFORM
case "$ID_LIKE" in
*suse*)
PLATFORM=suse-linux
;;
*rhel* | *fedora* | *centos*)
PLATFORM=redhat-linux
;;
*)
PLATFORM=linux-gnu
;;
esac
echo "$PLATFORM"
}
# set_cross_vars sets a few environment variables used for cross-compiling,
# based on the architecture specified in $1.
function set_cross_vars() {
GOARCH="$1" # default, may be overridden below
unset GOARM
PLATFORM=linux-gnu
# openSUSE has a custom PLATFORM
if grep -iq "ID_LIKE=.*suse" /etc/os-release; then
PLATFORM=suse-linux
is_suse=1
fi
PLATFORM="$(get_platform)"
[[ "$PLATFORM" == *suse* ]] && is_suse=1
case $1 in
case "$1" in
386)
# Always use the 64-bit compiler to build the 386 binary, which works
# for the more common cross-build method for x86 (namely, the
# equivalent of dpkg --add-architecture).
local cpu_type
if [ -v is_suse ]; then
# There is no x86_64-suse-linux-gcc, so use the native one.
HOST=
cpu_type=i586
else
HOST=x86_64-${PLATFORM}
cpu_type=i686
fi
HOST=x86_64-${PLATFORM}
CFLAGS="-m32 -march=$cpu_type ${CFLAGS[*]}"
;;
amd64)
if [ -n "${is_suse:-}" ]; then
# There is no x86_64-suse-linux-gcc, so use the native one.
HOST=
else
HOST=x86_64-${PLATFORM}
fi
HOST=x86_64-${PLATFORM}
;;
arm64)
HOST=aarch64-${PLATFORM}