[PATCH bpf-next 3/6] tools: bpftool: add -DPACKAGE when including bfd.h
From: Jakub Kicinski <hidden>
Date: 2018-01-16 23:52:56
Subsystem:
bpf [general] (safe dynamic programs and tools), bpf [tooling] (bpftool), the rest · Maintainers:
Alexei Starovoitov, Daniel Borkmann, Andrii Nakryiko, Eduard Zingerman, Kumar Kartikeya Dwivedi, Quentin Monnet, Linus Torvalds
From: Jiong Wang <redacted> bfd.h is requiring including of config.h except when PACKAGE or PACKAGE_VERSION are defined. /* PR 14072: Ensure that config.h is included first. */ #if !defined PACKAGE && !defined PACKAGE_VERSION #error config.h must be included before this header #endif This check has been introduced since May-2012. It doesn't show up in bfd.h on some Linux distribution, probably because distributions have remove it when building the package. However, sometimes the user might just build libfd from source code then link bpftool against it. For this case, bfd.h will be original that we need to define PACKAGE or PACKAGE_VERSION. Acked-by: Jakub Kicinski <redacted> Signed-off-by: Jiong Wang <redacted> --- tools/bpf/bpftool/Makefile | 2 +- tools/build/feature/Makefile | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/tools/bpf/bpftool/Makefile b/tools/bpf/bpftool/Makefile
index 2237bc43f71c..26901ec87361 100644
--- a/tools/bpf/bpftool/Makefile
+++ b/tools/bpf/bpftool/Makefile@@ -39,7 +39,7 @@ CC = gcc CFLAGS += -O2 CFLAGS += -W -Wall -Wextra -Wno-unused-parameter -Wshadow -CFLAGS += -D__EXPORTED_HEADERS__ -I$(srctree)/tools/include/uapi -I$(srctree)/tools/include -I$(srctree)/tools/lib/bpf -I$(srctree)/kernel/bpf/ +CFLAGS += -DPACKAGE='"bpftool"' -D__EXPORTED_HEADERS__ -I$(srctree)/tools/include/uapi -I$(srctree)/tools/include -I$(srctree)/tools/lib/bpf -I$(srctree)/kernel/bpf/ CFLAGS += -DBPFTOOL_VERSION='"$(BPFTOOL_VERSION)"' LIBS = -lelf -lbfd -lopcodes $(LIBBPF)
diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile
index 17f2c73fff8b..bc715f6ac320 100644
--- a/tools/build/feature/Makefile
+++ b/tools/build/feature/Makefile@@ -190,7 +190,7 @@ FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS) $(BUILD) -DPACKAGE='"perf"' -lbfd -lz -liberty -ldl $(OUTPUT)test-disassembler-four-args.bin: - $(BUILD) -lbfd -lopcodes + $(BUILD) -DPACKAGE='"perf"' -lbfd -lopcodes $(OUTPUT)test-liberty.bin: $(CC) $(CFLAGS) -Wall -Werror -o $@ test-libbfd.c -DPACKAGE='"perf"' $(LDFLAGS) -lbfd -ldl -liberty
--
2.15.1