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authorXin Liu <liuxin350@huawei.com>2022-12-02 16:17:38 +0800
committerAndrii Nakryiko <andrii@kernel.org>2022-12-02 16:30:34 -0800
commit706819495921ddad6b3780140b9d9e9293b6dedc (patch)
tree66e33f2f7ec5096c1d5e4a16406a3137f9910273 /tools
parentf16a7aa5c2be3134d3b72078b94f36d639552888 (diff)
libbpf: Improve usability of libbpf Makefile
Current libbpf Makefile does not contain the help command, which is inconvenient to use. Similar to the Makefile help command of the perf, a help command is provided to list the commands supported by libbpf make and the functions of the commands. Signed-off-by: Xin Liu <liuxin350@huawei.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20221202081738.128513-1-liuxin350@huawei.com
Diffstat (limited to 'tools')
-rw-r--r--tools/lib/bpf/Makefile17
1 files changed, 17 insertions, 0 deletions
diff --git a/tools/lib/bpf/Makefile b/tools/lib/bpf/Makefile
index 4c904ef0b47e..477666f3d496 100644
--- a/tools/lib/bpf/Makefile
+++ b/tools/lib/bpf/Makefile
@@ -286,3 +286,20 @@ tags:
# Delete partially updated (corrupted) files on error
.DELETE_ON_ERROR:
+
+help:
+ @echo 'libbpf common targets:'
+ @echo ' HINT: use "V=1" to enable verbose build'
+ @echo ' all - build libraries and pkgconfig'
+ @echo ' clean - remove all generated files'
+ @echo ' check - check abi and version info'
+ @echo ''
+ @echo 'libbpf install targets:'
+ @echo ' HINT: use "prefix"(defaults to "/usr/local") or "DESTDIR" (defaults to "/")'
+ @echo ' to adjust target desitantion, e.g. "make prefix=/usr/local install"'
+ @echo ' install - build and install all headers, libraries and pkgconfig'
+ @echo ' install_headers - install only headers to include/bpf'
+ @echo ''
+ @echo 'libbpf make targets:'
+ @echo ' tags - use ctags to make tag information for source code browsing'
+ @echo ' cscope - use cscope to make interactive source code browsing database'