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-rw-r--r--tools/lib/bpf/Makefile28
1 files changed, 11 insertions, 17 deletions
diff --git a/tools/lib/bpf/Makefile b/tools/lib/bpf/Makefile
index 9ae8f4ef0aac..5f9abed3e226 100644
--- a/tools/lib/bpf/Makefile
+++ b/tools/lib/bpf/Makefile
@@ -1,6 +1,9 @@
# SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
# Most of this file is copied from tools/lib/traceevent/Makefile
+RM ?= rm
+srctree = $(abs_srctree)
+
LIBBPF_VERSION := $(shell \
grep -oE '^LIBBPF_([0-9.]+)' libbpf.map | \
sort -rV | head -n1 | cut -d'_' -f2)
@@ -56,7 +59,7 @@ ifndef VERBOSE
endif
FEATURE_USER = .libbpf
-FEATURE_TESTS = libelf libelf-mmap zlib bpf reallocarray
+FEATURE_TESTS = libelf zlib bpf
FEATURE_DISPLAY = libelf zlib bpf
INCLUDES = -I. -I$(srctree)/tools/include -I$(srctree)/tools/include/uapi
@@ -95,27 +98,18 @@ PC_FILE = libbpf.pc
ifdef EXTRA_CFLAGS
CFLAGS := $(EXTRA_CFLAGS)
else
- CFLAGS := -g -Wall
-endif
-
-ifeq ($(feature-libelf-mmap), 1)
- override CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
-endif
-
-ifeq ($(feature-reallocarray), 0)
- override CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
+ CFLAGS := -g -O2
endif
# Append required CFLAGS
-override CFLAGS += $(EXTRA_WARNINGS)
+override CFLAGS += $(EXTRA_WARNINGS) -Wno-switch-enum
override CFLAGS += -Werror -Wall
-override CFLAGS += -fPIC
override CFLAGS += $(INCLUDES)
override CFLAGS += -fvisibility=hidden
override CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
# flags specific for shared library
-SHLIB_FLAGS := -DSHARED
+SHLIB_FLAGS := -DSHARED -fPIC
ifeq ($(VERBOSE),1)
Q =
@@ -197,7 +191,7 @@ $(OUTPUT)libbpf.so.$(LIBBPF_VERSION): $(BPF_IN_SHARED)
@ln -sf $(@F) $(OUTPUT)libbpf.so.$(LIBBPF_MAJOR_VERSION)
$(OUTPUT)libbpf.a: $(BPF_IN_STATIC)
- $(QUIET_LINK)$(RM) $@; $(AR) rcs $@ $^
+ $(QUIET_LINK)$(RM) -f $@; $(AR) rcs $@ $^
$(OUTPUT)libbpf.pc:
$(QUIET_GEN)sed -e "s|@PREFIX@|$(prefix)|" \
@@ -271,10 +265,10 @@ install: install_lib install_pkgconfig install_headers
### Cleaning rules
config-clean:
- $(call QUIET_CLEAN, config)
+ $(call QUIET_CLEAN, feature-detect)
$(Q)$(MAKE) -C $(srctree)/tools/build/feature/ clean >/dev/null
-clean:
+clean: config-clean
$(call QUIET_CLEAN, libbpf) $(RM) -rf $(CMD_TARGETS) \
*~ .*.d .*.cmd LIBBPF-CFLAGS $(BPF_HELPER_DEFS) \
$(SHARED_OBJDIR) $(STATIC_OBJDIR) \
@@ -301,7 +295,7 @@ cscope:
cscope -b -q -I $(srctree)/include -f cscope.out
tags:
- rm -f TAGS tags
+ $(RM) -f TAGS tags
ls *.c *.h | xargs $(TAGS_PROG) -a
# Declare the contents of the .PHONY variable as phony. We keep that