Namhyung Kim fa633a0f89 libbpf: Fix build on read-only filesystems ... I got the following error when I tried to build perf on a read-only filesystem with O=dir option. $ cd /some/where/ro/linux/tools/perf $ make O=$HOME/build/perf ... CC /home/namhyung/build/perf/lib.o /bin/sh: bpf_helper_defs.h: Read-only file system make[3]: *** [Makefile:184: bpf_helper_defs.h] Error 1 make[2]: *** [Makefile.perf:778: /home/namhyung/build/perf/libbpf.a] Error 2 make[2]: *** Waiting for unfinished jobs.... LD /home/namhyung/build/perf/libperf-in.o AR /home/namhyung/build/perf/libperf.a PERF_VERSION = 5.4.0 make[1]: *** [Makefile.perf:225: sub-make] Error 2 make: *** [Makefile:70: all] Error 2 It was becaused bpf_helper_defs.h was generated in current directory. Move it to OUTPUT directory. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Tested-by: Andrii Nakryiko <andriin@fb.com> Acked-by: Andrii Nakryiko <andriin@fb.com> Link: https://lore.kernel.org/bpf/20191223061326.843366-1-namhyung@kernel.org		2019-12-23 15:34:06 +01:00
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api	tools lib api: Renaming pr_warning to pr_warn	2019-10-18 15:02:57 +02:00
bpf	libbpf: Fix build on read-only filesystems	2019-12-23 15:34:06 +01:00
lockdep	locking/lockdep: Remove unused @nested argument from lock_release()	2019-10-09 12:46:10 +02:00
subcmd	libsubcmd: Use -O0 with DEBUG=1	2019-11-06 15:49:39 -03:00
symbol
traceevent	libtraceevent: Allow custom libdir path	2019-12-16 13:40:26 -03:00
argv_split.c
bitmap.c
ctype.c
find_bit.c
hweight.c
rbtree.c	rbtree: avoid generating code twice for the cached versions (tools copy)	2019-09-25 17:51:39 -07:00
str_error_r.c
string.c
vsprintf.c
zalloc.c