libbpf: Install skel_internal.h header used from light skeletons

Light skeleton code assumes skel_internal.h header to be installed system-wide
by libbpf package. Make sure it is actually installed.

Fixes: 67234743736a ("libbpf: Generate loader program out of BPF ELF file.")
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20210603004026.2698513-4-andrii@kernel.org

diff --git a/tools/lib/bpf/Makefile b/tools/lib/bpf/Makefile
index d1b909e..ec14aa7 100644 (file)
--- a/tools/lib/bpf/Makefile
+++ b/tools/lib/bpf/Makefile
@@ -225,7 +225,7 @@ install_lib: all_cmd
 
 INSTALL_HEADERS = bpf.h libbpf.h btf.h libbpf_common.h libbpf_legacy.h xsk.h \
                  bpf_helpers.h $(BPF_HELPER_DEFS) bpf_tracing.h             \
-                 bpf_endian.h bpf_core_read.h
+                 bpf_endian.h bpf_core_read.h skel_internal.h
 
 install_headers: $(BPF_HELPER_DEFS)
        $(call QUIET_INSTALL, headers)                                       \