Commit 771744f9 authored Feb 27, 2019 by Jakub Kicinski Committed by Daniel Borkmann Mar 01, 2019

tools: libbpf: make sure readelf shows full names in build checks



readelf truncates its output by default to attempt to make it more
readable.  This can lead to function names getting aliased if they
differ late in the string.  Use --wide parameter to avoid
truncation.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>

parent 1a9b268c

tools/lib/bpf/Makefile

+2 −2

Original line number	Diff line number	Diff line
		@@ -132,9 +132,9 @@ BPF_IN := $(OUTPUT)libbpf-in.o
		LIB_FILE := $(addprefix $(OUTPUT),$(LIB_FILE))
		VERSION_SCRIPT := libbpf.map

		GLOBAL_SYM_COUNT = $(shell readelf -s $(BPF_IN) \| \
		GLOBAL_SYM_COUNT = $(shell readelf -s --wide $(BPF_IN) \| \
		awk '/GLOBAL/ && /DEFAULT/ && !/UND/ {s++} END{print s}')
		VERSIONED_SYM_COUNT = $(shell readelf -s $(OUTPUT)libbpf.so \| \
		VERSIONED_SYM_COUNT = $(shell readelf -s --wide $(OUTPUT)libbpf.so \| \
		grep -Eo '[^ ]+@LIBBPF_' \| cut -d@ -f1 \| sort -u \| wc -l)

		CMD_TARGETS = $(LIB_FILE)

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