X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=blobdiff_plain;f=tools%2Ftesting%2Fselftests%2Flib.mk;h=9d2b3c303bfa7003183bf1426530ae6c52d6726c;hb=42d46e57ec9718c1090e43db75f433d0841af525;hp=0a8e75886224b371f6da30f7a01d10f652313b66;hpb=4116941b7a703f8c770998bb3a59966608cb5bb2;p=linux.git

diff --git a/tools/testing/selftests/lib.mk b/tools/testing/selftests/lib.mk
index 0a8e75886224..9d2b3c303bfa 100644
--- a/tools/testing/selftests/lib.mk
+++ b/tools/testing/selftests/lib.mk
@@ -3,8 +3,18 @@
 CC := $(CROSS_COMPILE)gcc
 
 ifeq (0,$(MAKELEVEL))
-OUTPUT := $(shell pwd)
+    ifneq ($(O),)
+	OUTPUT := $(O)
+    else
+	ifneq ($(KBUILD_OUTPUT),)
+		OUTPUT := $(KBUILD_OUTPUT)
+	else
+		OUTPUT := $(shell pwd)
+		DEFAULT_INSTALL_HDR_PATH := 1
+	endif
+    endif
 endif
+selfdir = $(realpath $(dir $(filter %/lib.mk,$(MAKEFILE_LIST))))
 
 # The following are built by lib.mk common compile rules.
 # TEST_CUSTOM_PROGS should be used by tests that require
@@ -16,58 +26,59 @@ TEST_GEN_PROGS := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_PROGS))
 TEST_GEN_PROGS_EXTENDED := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_PROGS_EXTENDED))
 TEST_GEN_FILES := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_FILES))
 
+ifdef KSFT_KHDR_INSTALL
 top_srcdir ?= ../../../..
 include $(top_srcdir)/scripts/subarch.include
 ARCH		?= $(SUBARCH)
 
-all: $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES)
-
+# set default goal to all, so make without a target runs all, even when
+# all isn't the first target in the file.
+.DEFAULT_GOAL := all
+
+# Invoke headers install with --no-builtin-rules to avoid circular
+# dependency in "make kselftest" case. In this case, second level
+# make inherits builtin-rules which will use the rule generate
+# Makefile.o and runs into
+# "Circular Makefile.o <- prepare dependency dropped."
+# and headers_install fails and test compile fails.
+# O= KBUILD_OUTPUT cases don't run into this error, since main Makefile
+# invokes them as sub-makes and --no-builtin-rules is not necessary,
+# but doesn't cause any failures. Keep it simple and use the same
+# flags in both cases.
+# Note that the support to install headers from lib.mk is necessary
+# when test Makefile is run directly with "make -C".
+# When local build is done, headers are installed in the default
+# INSTALL_HDR_PATH usr/include.
 .PHONY: khdr
 khdr:
-	make ARCH=$(ARCH) -C $(top_srcdir) headers_install
+ifndef KSFT_KHDR_INSTALL_DONE
+ifeq (1,$(DEFAULT_INSTALL_HDR_PATH))
+	make --no-builtin-rules ARCH=$(ARCH) -C $(top_srcdir) headers_install
+else
+	make --no-builtin-rules INSTALL_HDR_PATH=$$OUTPUT/usr \
+		ARCH=$(ARCH) -C $(top_srcdir) headers_install
+endif
+endif
 
-ifdef KSFT_KHDR_INSTALL
-$(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES):| khdr
+all: khdr $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES)
+else
+all: $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES)
 endif
 
 .ONESHELL:
-define RUN_TEST_PRINT_RESULT
-	TEST_HDR_MSG="selftests: "`basename $$PWD`:" $$BASENAME_TEST";	\
-	echo $$TEST_HDR_MSG;					\
-	echo "========================================";	\
-	if [ ! -x $$TEST ]; then	\
-		echo "$$TEST_HDR_MSG: Warning: file $$BASENAME_TEST is not executable, correct this.";\
-		echo "not ok 1..$$test_num $$TEST_HDR_MSG [FAIL]"; \
-	else					\
-		cd `dirname $$TEST` > /dev/null; \
-		if [ "X$(summary)" != "X" ]; then	\
-			(./$$BASENAME_TEST > /tmp/$$BASENAME_TEST 2>&1 && \
-			echo "ok 1..$$test_num $$TEST_HDR_MSG [PASS]") || \
-			(if [ $$? -eq $$skip ]; then	\
-				echo "not ok 1..$$test_num $$TEST_HDR_MSG [SKIP]";				\
-			else echo "not ok 1..$$test_num $$TEST_HDR_MSG [FAIL]";					\
-			fi;)			\
-		else				\
-			(./$$BASENAME_TEST &&	\
-			echo "ok 1..$$test_num $$TEST_HDR_MSG [PASS]") ||						\
-			(if [ $$? -eq $$skip ]; then \
-				echo "not ok 1..$$test_num $$TEST_HDR_MSG [SKIP]"; \
-			else echo "not ok 1..$$test_num $$TEST_HDR_MSG [FAIL]";				\
-			fi;)		\
-		fi;				\
-		cd - > /dev/null;		\
-	fi;
-endef
-
 define RUN_TESTS
 	@export KSFT_TAP_LEVEL=`echo 1`;		\
 	test_num=`echo 0`;				\
-	skip=`echo 4`;					\
+	. $(selfdir)/kselftest/runner.sh;		\
 	echo "TAP version 13";				\
 	for TEST in $(1); do				\
 		BASENAME_TEST=`basename $$TEST`;	\
 		test_num=`echo $$test_num+1 | bc`;	\
-		$(call RUN_TEST_PRINT_RESULT,$(TEST),$(BASENAME_TEST),$(test_num),$(skip))						\
+		if [ "X$(summary)" != "X" ]; then	\
+		        logfile="/tmp/$$BASENAME_TEST";	\
+			cat /dev/null > "$$logfile";	\
+		fi;					\
+		run_one "$$BASENAME_TEST" "$$test_num";	\
 	done;
 endef