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bianbu-linux-6.6/tools/lib/bpf
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Quentin Monnet b79c2ce3ba libbpf: Skip re-installing headers file if source is older than target 
The "install_headers" target in libbpf's Makefile would unconditionally
export all API headers to the target directory. When those headers are
installed to compile another application, this means that make always
finds newer dependencies for the source files relying on those headers,
and deduces that the targets should be rebuilt.

Avoid that by making "install_headers" depend on the source header
files, and (re-)install them only when necessary.

Signed-off-by: Quentin Monnet <quentin@isovalent.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20211007194438.34443-2-quentin@isovalent.com
2021-10-08 11:47:34 -07:00
..
.gitignore libbpf: Make libbpf_version.h non-auto-generated 2021-09-13 15:36:47 -07:00
bpf.c libbpf: Support kernel module function calls 2021-10-05 17:07:42 -07:00
bpf.h libbpf: Add bpf_cookie support to bpf_link_create() API 2021-08-17 00:45:08 +02:00
bpf_core_read.h selftests/bpf: Fix BPF_CORE_READ_BITFIELD() macro 2021-04-26 18:37:13 -07:00
bpf_endian.h libbpf: Make bpf_endian co-exist with vmlinux.h 2020-07-01 09:06:12 +02:00
bpf_gen_internal.h libbpf: Update gen_loader to emit BTF_KIND_FUNC relocations 2021-10-05 17:07:42 -07:00
bpf_helpers.h libbpf: Use static const fmt string in __bpf_printk 2021-09-17 14:02:05 -07:00
bpf_prog_linfo.c libbpf: Streamline error reporting for high-level APIs 2021-05-25 17:32:35 -07:00
bpf_tracing.h libbpf: Fail compilation if target arch is missing 2021-06-16 20:15:30 -07:00
btf.c libbpf: Add API that copies all BTF types from one BTF object to another 2021-10-06 15:35:46 +02:00
btf.h libbpf: Add API that copies all BTF types from one BTF object to another 2021-10-06 15:35:46 +02:00
btf_dump.c libbpf: Add support for BTF_KIND_TAG 2021-09-14 18:45:52 -07:00
Build libbpf: Split CO-RE logic into relo_core.c. 2021-07-26 12:29:14 -07:00
gen_loader.c libbpf: Update gen_loader to emit BTF_KIND_FUNC relocations 2021-10-05 17:07:42 -07:00
hashmap.c libbpf: Centralize poisoning and poison reallocarray() 2020-08-18 18:38:25 -07:00
hashmap.h libbpf, hashmap: Fix undefined behavior in hash_bits 2020-11-02 23:33:51 +01:00
libbpf.c libbpf: Deprecate bpf_{map,program}__{prev,next} APIs since v0.7 2021-10-06 12:34:02 -07:00
libbpf.h libbpf: Deprecate bpf_{map,program}__{prev,next} APIs since v0.7 2021-10-06 12:34:02 -07:00
libbpf.map libbpf: Deprecate bpf_{map,program}__{prev,next} APIs since v0.7 2021-10-06 12:34:02 -07:00
libbpf.pc.template libbpf: Add zlib as a dependency in pkg-config template 2019-12-16 14:55:29 -08:00
libbpf_common.h libbpf: Schedule open_opts.attach_prog_fd deprecation since v0.7 2021-09-17 09:05:41 -07:00
libbpf_errno.c libbpf: Streamline error reporting for high-level APIs 2021-05-25 17:32:35 -07:00
libbpf_internal.h libbpf: Support kernel module function calls 2021-10-05 17:07:42 -07:00
libbpf_legacy.h libbpf: Add opt-in strict BPF program section name handling logic 2021-09-28 13:51:19 -07:00
libbpf_probes.c libbpf: Fix probe for BPF_PROG_TYPE_CGROUP_SOCKOPT 2021-08-07 01:38:52 +02:00
libbpf_version.h libbpf: Make libbpf_version.h non-auto-generated 2021-09-13 15:36:47 -07:00
linker.c libbpf: Fix segfault in static linker for objects without BTF 2021-09-28 09:29:03 +02:00
Makefile libbpf: Skip re-installing headers file if source is older than target 2021-10-08 11:47:34 -07:00
netlink.c libbpf: Switch to void * casting in netlink helpers 2021-06-22 17:04:02 +02:00
nlattr.c libbpf: Switch to void * casting in netlink helpers 2021-06-22 17:04:02 +02:00
nlattr.h libbpf: Switch to void * casting in netlink helpers 2021-06-22 17:04:02 +02:00
relo_core.c libbpf: Split CO-RE logic into relo_core.c. 2021-07-26 12:29:14 -07:00
relo_core.h libbpf: Split CO-RE logic into relo_core.c. 2021-07-26 12:29:14 -07:00
ringbuf.c libbpf: Streamline error reporting for high-level APIs 2021-05-25 17:32:35 -07:00
skel_internal.h libbpf: Fix skel_internal.h to set errno on loader retval < 0 2021-09-29 20:42:32 -07:00
str_error.c libbpf: Poison kernel-only integer types 2020-01-10 10:38:00 -08:00
str_error.h libbpf: relicense libbpf as LGPL-2.1 OR BSD-2-Clause 2018-10-08 10:09:48 +02:00
strset.c libbpf: Extract internal set-of-strings datastructure APIs 2021-03-18 16:14:22 -07:00
strset.h libbpf: Extract internal set-of-strings datastructure APIs 2021-03-18 16:14:22 -07:00
xsk.c libbpf: Fix build with latest gcc/binutils with LTO 2021-09-07 19:32:04 -07:00
xsk.h libbpf: xsk: Move barriers from libbpf_util.h to xsk.h 2021-03-10 13:45:16 -08:00