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bpf: makefiles: Do not generate empty vmlinux.h

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Remove the empty vmlinux.h if bpftool failed to dump btf info.
The empty vmlinux.h can hide real error when reading output
of make.

This is done by adding .DELETE_ON_ERROR special target in related
makefiles.

Signed-off-by: Changbin Du <changbin.du@gmail.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Quentin Monnet <quentin@isovalent.com>
Link: https://lore.kernel.org/bpf/20221217223509.88254-3-changbin.du@gmail.com
This commit is contained in:
Changbin Du 2022-12-18 06:35:09 +08:00 committed by Andrii Nakryiko
parent e6b4e1d759
commit e7f0d5cdd0
2 changed files with 6 additions and 0 deletions
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3
tools/bpf/bpftool/Makefile
View File

@ -289,3 +289,6 @@ FORCE:
.PHONY: all FORCE bootstrap clean install-bin install uninstall .PHONY: all FORCE bootstrap clean install-bin install uninstall
.PHONY: doc doc-clean doc-install doc-uninstall .PHONY: doc doc-clean doc-install doc-uninstall
.DEFAULT_GOAL := all .DEFAULT_GOAL := all
# Delete partially updated (corrupted) files on error
.DELETE_ON_ERROR:

3
tools/testing/selftests/bpf/Makefile
View File

@ -626,3 +626,6 @@ EXTRA_CLEAN := $(TEST_CUSTOM_PROGS) $(SCRATCH_DIR) $(HOST_SCRATCH_DIR) \
liburandom_read.so) liburandom_read.so)
.PHONY: docs docs-clean .PHONY: docs docs-clean
# Delete partially updated (corrupted) files on error
.DELETE_ON_ERROR: