llvm-bpf: use SOURCE_DATE_EPOCH for generated tarball

Signed-off-by: Felix Fietkau <nbd@nbd.name>

diff --git a/target/llvm-bpf/Makefile b/target/llvm-bpf/Makefile
index c9ada017e68c42fb038375cad5160cd9d0712678..0e8a8826e6700bd1b99ec88027b0178b7ec33c76 100644 (file)
--- a/target/llvm-bpf/Makefile
+++ b/target/llvm-bpf/Makefile
@@ -17,6 +17,7 @@ LLVM_TAR := $(BIN_DIR)/$(LLVM_BPF_PREFIX).tar.xz
 $(LLVM_TAR): $(HOST_STAMP_INSTALLED)
        tar -C $(STAGING_DIR_HOST) \
                -I '$(STAGING_DIR_HOST)/bin/xz -7e -T$(if $(filter 1,$(NPROC)),2,0)' \
+               $(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)") \
                -cf $@.tmp llvm-bpf $(LLVM_BPF_PREFIX)
        mv $@.tmp $@