From e78e00bd478a43ee01db726ce488424a371e8684 Mon Sep 17 00:00:00 2001 From: Stanislav Fomichev Date: Wed, 6 Mar 2019 11:59:26 -0800 Subject: selftests: bpf: fix compilation with out-of-tree $(OUTPUT) A bunch of related changes lumped together: * Create prog_tests and verifier output directories; these don't exist with out-of-tree $(OUTPUT) * Add missing -I (via separate TEST_{PROGS,VERIFIER}_CFLAGS) for the main tree ($(PWD) != $(OUTPUT) for out-of-tree) * Add libbpf.a dependency for test_progs_32 (parallel make fails otherwise) * Add missing "; \" after "cd" when generating test.h headers Tested by: $ alias m="make -s -j$(nproc)" $ m -C tools/testing/selftests/bpf/ clean $ m -C tools/lib/bpf/ clean $ rm -rf xxx; mkdir xxx; m -C tools/testing/selftests/bpf/ OUTPUT=$PWD/xxx $ m -C tools/testing/selftests/bpf/ Fixes: 3f30658830f3 ("selftests: bpf: break up test_progs - preparations") Fixes: 2dfb40121ee8 ("selftests: bpf: prepare for break up of verifier tests") Fixes: 3ef84346c561 ("selftests: bpf: makefile support sub-register code-gen test mode") Signed-off-by: Stanislav Fomichev Acked-by: Yonghong Song Signed-off-by: Daniel Borkmann --- tools/testing/selftests/bpf/Makefile | 33 +++++++++++++++++++++++---------- 1 file changed, 23 insertions(+), 10 deletions(-) (limited to 'tools/testing/selftests/bpf/Makefile') diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile index 518cd587cd63..2aed37ea61a4 100644 --- a/tools/testing/selftests/bpf/Makefile +++ b/tools/testing/selftests/bpf/Makefile @@ -153,6 +153,9 @@ endif endif endif +TEST_PROGS_CFLAGS := -I. -I$(OUTPUT) +TEST_VERIFIER_CFLAGS := -I. -I$(OUTPUT) -Iverifier + ifneq ($(SUBREG_CODEGEN),) ALU32_BUILD_DIR = $(OUTPUT)/alu32 TEST_CUSTOM_PROGS += $(ALU32_BUILD_DIR)/test_progs_32 @@ -162,13 +165,15 @@ $(ALU32_BUILD_DIR): $(ALU32_BUILD_DIR)/urandom_read: $(OUTPUT)/urandom_read cp $< $@ -$(ALU32_BUILD_DIR)/test_progs_32: test_progs.c $(ALU32_BUILD_DIR) \ +$(ALU32_BUILD_DIR)/test_progs_32: test_progs.c $(OUTPUT)/libbpf.a\ + $(ALU32_BUILD_DIR) \ $(ALU32_BUILD_DIR)/urandom_read - $(CC) $(CFLAGS) -o $(ALU32_BUILD_DIR)/test_progs_32 $< \ - trace_helpers.c prog_tests/*.c $(OUTPUT)/libbpf.a $(LDLIBS) + $(CC) $(TEST_PROGS_CFLAGS) $(CFLAGS) \ + -o $(ALU32_BUILD_DIR)/test_progs_32 \ + test_progs.c trace_helpers.c prog_tests/*.c \ + $(OUTPUT)/libbpf.a $(LDLIBS) $(ALU32_BUILD_DIR)/test_progs_32: $(PROG_TESTS_H) -$(ALU32_BUILD_DIR)/test_progs_32: CFLAGS += -I$(OUTPUT) $(ALU32_BUILD_DIR)/test_progs_32: prog_tests/*.c $(ALU32_BUILD_DIR)/%.o: progs/%.c $(ALU32_BUILD_DIR) \ @@ -202,12 +207,16 @@ endif PROG_TESTS_H := $(OUTPUT)/prog_tests/tests.h $(OUTPUT)/test_progs: $(PROG_TESTS_H) -$(OUTPUT)/test_progs: CFLAGS += -I$(OUTPUT) +$(OUTPUT)/test_progs: CFLAGS += $(TEST_PROGS_CFLAGS) $(OUTPUT)/test_progs: prog_tests/*.c +PROG_TESTS_DIR = $(OUTPUT)/prog_tests +$(PROG_TESTS_DIR): + mkdir -p $@ + PROG_TESTS_FILES := $(wildcard prog_tests/*.c) -$(PROG_TESTS_H): $(PROG_TESTS_FILES) - $(shell ( cd prog_tests/ +$(PROG_TESTS_H): $(PROG_TESTS_DIR) $(PROG_TESTS_FILES) + $(shell ( cd prog_tests/; \ echo '/* Generated header, do not edit */'; \ echo '#ifdef DECLARE'; \ ls *.c 2> /dev/null | \ @@ -221,11 +230,15 @@ $(PROG_TESTS_H): $(PROG_TESTS_FILES) VERIFIER_TESTS_H := $(OUTPUT)/verifier/tests.h $(OUTPUT)/test_verifier: $(VERIFIER_TESTS_H) -$(OUTPUT)/test_verifier: CFLAGS += -I$(OUTPUT) +$(OUTPUT)/test_verifier: CFLAGS += $(TEST_VERIFIER_CFLAGS) + +VERIFIER_TESTS_DIR = $(OUTPUT)/verifier +$(VERIFIER_TESTS_DIR): + mkdir -p $@ VERIFIER_TEST_FILES := $(wildcard verifier/*.c) -$(OUTPUT)/verifier/tests.h: $(VERIFIER_TEST_FILES) - $(shell ( cd verifier/ +$(OUTPUT)/verifier/tests.h: $(VERIFIER_TESTS_DIR) $(VERIFIER_TEST_FILES) + $(shell ( cd verifier/; \ echo '/* Generated header, do not edit */'; \ echo '#ifdef FILL_ARRAY'; \ ls *.c 2> /dev/null | \ -- cgit v1.2.3-59-g8ed1b