summaryrefslogtreecommitdiffstats
path: root/samples/bpf/Makefile
diff options
context:
space:
mode:
Diffstat (limited to 'samples/bpf/Makefile')
-rw-r--r--samples/bpf/Makefile23
1 files changed, 13 insertions, 10 deletions
diff --git a/samples/bpf/Makefile b/samples/bpf/Makefile
index 253e5a2856be..0917f8cf4fab 100644
--- a/samples/bpf/Makefile
+++ b/samples/bpf/Makefile
@@ -170,21 +170,12 @@ always += ibumad_kern.o
always += hbm_out_kern.o
KBUILD_HOSTCFLAGS += -I$(objtree)/usr/include
-KBUILD_HOSTCFLAGS += -I$(srctree)/tools/lib/
+KBUILD_HOSTCFLAGS += -I$(srctree)/tools/lib/bpf/
KBUILD_HOSTCFLAGS += -I$(srctree)/tools/testing/selftests/bpf/
KBUILD_HOSTCFLAGS += -I$(srctree)/tools/lib/ -I$(srctree)/tools/include
KBUILD_HOSTCFLAGS += -I$(srctree)/tools/perf
HOSTCFLAGS_bpf_load.o += -I$(objtree)/usr/include -Wno-unused-variable
-HOSTCFLAGS_trace_helpers.o += -I$(srctree)/tools/lib/bpf/
-
-HOSTCFLAGS_trace_output_user.o += -I$(srctree)/tools/lib/bpf/
-HOSTCFLAGS_offwaketime_user.o += -I$(srctree)/tools/lib/bpf/
-HOSTCFLAGS_spintest_user.o += -I$(srctree)/tools/lib/bpf/
-HOSTCFLAGS_trace_event_user.o += -I$(srctree)/tools/lib/bpf/
-HOSTCFLAGS_sampleip_user.o += -I$(srctree)/tools/lib/bpf/
-HOSTCFLAGS_task_fd_query_user.o += -I$(srctree)/tools/lib/bpf/
-HOSTCFLAGS_xdp_sample_pkts_user.o += -I$(srctree)/tools/lib/bpf/
KBUILD_HOSTLDLIBS += $(LIBBPF) -lelf
HOSTLDLIBS_tracex4 += -lrt
@@ -206,6 +197,17 @@ HOSTCC = $(CROSS_COMPILE)gcc
CLANG_ARCH_ARGS = -target $(ARCH)
endif
+# Don't evaluate probes and warnings if we need to run make recursively
+ifneq ($(src),)
+HDR_PROBE := $(shell echo "\#include <linux/types.h>\n struct list_head { int a; }; int main() { return 0; }" | \
+ $(HOSTCC) $(KBUILD_HOSTCFLAGS) -x c - -o /dev/null 2>/dev/null && \
+ echo okay)
+
+ifeq ($(HDR_PROBE),)
+$(warning WARNING: Detected possible issues with include path.)
+$(warning WARNING: Please install kernel headers locally (make headers_install).)
+endif
+
BTF_LLC_PROBE := $(shell $(LLC) -march=bpf -mattr=help 2>&1 | grep dwarfris)
BTF_PAHOLE_PROBE := $(shell $(BTF_PAHOLE) --help 2>&1 | grep BTF)
BTF_OBJCOPY_PROBE := $(shell $(LLVM_OBJCOPY) --help 2>&1 | grep -i 'usage.*llvm')
@@ -223,6 +225,7 @@ ifneq ($(and $(BTF_LLC_PROBE),$(BTF_PAHOLE_PROBE),$(BTF_OBJCOPY_PROBE)),)
DWARF2BTF = y
endif
endif
+endif
# Trick to allow make to be run from this directory
all: