# ZSTD is always included, unless explicitly turned off
# Needed by initrd/bin/unpack_initramfs.sh under LUKS TPM Disk Unlock Key setup
CONFIG_ZSTD ?= y
modules-$(CONFIG_ZSTD) += zstd

zstd_version := 1.5.5
zstd_dir := zstd-$(zstd_version)
zstd_tar := zstd-$(zstd_version).tar.gz
zstd_url := https://github.com/facebook/zstd/releases/download/v$(zstd_version)/$(zstd_tar)
zstd_hash := 9c4396cc829cfae319a6e2615202e82aad41372073482fce286fac78646d3ee4

zstd_configure := true

# Only the decompressor is built and installed, to be able to read zstd-compressed
# initramfs archives.
zstd_target := \
	$(MAKE_JOBS) $(CROSS_TOOLS) -C programs CFLAGS="-g0 -Os" \
	HAVE_ZLIB=0 \
	HAVE_LZMA=0 \
	HAVE_LZ4=0 \
	zstd-decompress

zstd_output := programs/zstd-decompress