depot/third_party/nixpkgs/pkgs/tools/security/tracee/use-our-libbpf.patch

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diff --git a/Makefile b/Makefile
index c72cf63d..e96b7eed 100644
--- a/Makefile
+++ b/Makefile
@@ -50,6 +50,7 @@ CMD_STATICCHECK ?= staticcheck
# libs
#
+LIB_BPF ?= libbpf
LIB_ELF ?= libelf
LIB_ZLIB ?= zlib
@@ -172,10 +173,6 @@ env:
@echo "KERN_BUILD_PATH $(KERN_BUILD_PATH)"
@echo "KERN_SRC_PATH $(KERN_SRC_PATH)"
@echo ---------------------------------------
- @echo "LIBBPF_CFLAGS $(LIBBPF_CFLAGS)"
- @echo "LIBBPF_LDLAGS $(LIBBPF_LDFLAGS)"
- @echo "LIBBPF_SRC $(LIBBPF_SRC)"
- @echo ---------------------------------------
@echo "STATIC $(STATIC)"
@echo ---------------------------------------
@echo "BPF_VCPU $(BPF_VCPU)"
@@ -274,8 +271,6 @@ OUTPUT_DIR = ./dist
$(OUTPUT_DIR):
#
@$(CMD_MKDIR) -p $@
- @$(CMD_MKDIR) -p $@/libbpf
- @$(CMD_MKDIR) -p $@/libbpf/obj
#
# embedded btfhub
@@ -286,37 +281,6 @@ $(OUTPUT_DIR)/btfhub:
@$(CMD_MKDIR) -p $@
@$(CMD_TOUCH) $@/.place-holder # needed for embed.FS
-#
-# libbpf
-#
-
-LIBBPF_CFLAGS = "-fPIC"
-LIBBPF_LDLAGS =
-LIBBPF_SRC = ./3rdparty/libbpf/src
-
-$(OUTPUT_DIR)/libbpf/libbpf.a: \
- $(LIBBPF_SRC) \
- $(wildcard $(LIBBPF_SRC)/*.[ch]) \
- | .checkver_$(CMD_CLANG) $(OUTPUT_DIR)
-#
- CC="$(CMD_CLANG)" \
- CFLAGS="$(LIBBPF_CFLAGS)" \
- LD_FLAGS="$(LIBBPF_LDFLAGS)" \
- $(MAKE) \
- -C $(LIBBPF_SRC) \
- BUILD_STATIC_ONLY=1 \
- DESTDIR=$(abspath ./$(OUTPUT_DIR)/libbpf/) \
- OBJDIR=$(abspath ./$(OUTPUT_DIR)/libbpf/obj) \
- INCLUDEDIR= LIBDIR= UAPIDIR= prefix= libdir= \
- install install_uapi_headers
-
-$(LIBBPF_SRC): \
- | .check_$(CMD_GIT)
-#
-ifeq ($(wildcard $@), )
- @$(CMD_GIT) submodule update --init --recursive
-endif
-
#
# non co-re ebpf
#
@@ -333,7 +297,6 @@ BPF_NOCORE_TAG = $(subst .,_,$(KERN_RELEASE)).$(subst .,_,$(VERSION))
bpf-nocore: $(OUTPUT_DIR)/tracee.bpf.$(BPF_NOCORE_TAG).o
$(OUTPUT_DIR)/tracee.bpf.$(BPF_NOCORE_TAG).o: \
- $(OUTPUT_DIR)/libbpf/libbpf.a \
$(TRACEE_EBPF_OBJ_SRC)
#
MAKEFLAGS="--no-print-directory"
@@ -351,7 +314,6 @@ $(OUTPUT_DIR)/tracee.bpf.$(BPF_NOCORE_TAG).o: \
-I $(KERN_SRC_PATH)/include/uapi \
-I $(KERN_BUILD_PATH)/include/generated \
-I $(KERN_BUILD_PATH)/include/generated/uapi \
- -I $(OUTPUT_DIR)/libbpf \
-I ./3rdparty/include \
-Wunused \
-Wall \
@@ -412,7 +374,6 @@ TRACEE_EBPF_OBJ_CORE_HEADERS = $(shell find pkg/ebpf/c -name *.h)
bpf-core: $(OUTPUT_DIR)/tracee.bpf.core.o
$(OUTPUT_DIR)/tracee.bpf.core.o: \
- $(OUTPUT_DIR)/libbpf/libbpf.a \
$(TRACEE_EBPF_OBJ_SRC) \
$(TRACEE_EBPF_OBJ_CORE_HEADERS)
#
@@ -421,7 +382,6 @@ $(OUTPUT_DIR)/tracee.bpf.core.o: \
-D__BPF_TRACING__ \
-DCORE \
-I./pkg/ebpf/c/ \
- -I$(OUTPUT_DIR)/libbpf/ \
-I ./3rdparty/include \
-target bpf \
-O2 -g \
@@ -447,8 +407,8 @@ ifeq ($(STATIC), 1)
GO_TAGS_EBPF := $(GO_TAGS_EBPF),netgo
endif
-CUSTOM_CGO_CFLAGS = "-I$(abspath $(OUTPUT_DIR)/libbpf)"
-CUSTOM_CGO_LDFLAGS = "$(shell $(call pkg_config, $(LIB_ELF))) $(shell $(call pkg_config, $(LIB_ZLIB))) $(abspath $(OUTPUT_DIR)/libbpf/libbpf.a)"
+CUSTOM_CGO_CFLAGS = ""
+CUSTOM_CGO_LDFLAGS = "$(shell $(call pkg_config, $(LIB_BPF))) $(shell $(call pkg_config, $(LIB_ELF))) $(shell $(call pkg_config, $(LIB_ZLIB)))"
GO_ENV_EBPF =
GO_ENV_EBPF += GOOS=linux
@@ -468,6 +428,7 @@ $(OUTPUT_DIR)/tracee-ebpf: \
$(TRACEE_EBPF_SRC) \
./embedded-ebpf.go \
| .checkver_$(CMD_GO) \
+ .checklib_$(LIB_BPF) \
.checklib_$(LIB_ELF) \
.checklib_$(LIB_ZLIB) \
btfhub
@@ -658,7 +619,6 @@ test-rules: \
.PHONY: test-upstream-libbpfgo
test-upstream-libbpfgo: \
.checkver_$(CMD_GO) \
- $(OUTPUT_DIR)/libbpf/libbpf.a
#
./tests/libbpfgo.sh $(GO_ENV_EBPF)