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-rw-r--r--tools/testing/selftests/nolibc/Makefile43
1 files changed, 29 insertions, 14 deletions
diff --git a/tools/testing/selftests/nolibc/Makefile b/tools/testing/selftests/nolibc/Makefile
index 40dd95228051..8de98ea7af80 100644
--- a/tools/testing/selftests/nolibc/Makefile
+++ b/tools/testing/selftests/nolibc/Makefile
@@ -1,19 +1,21 @@
# SPDX-License-Identifier: GPL-2.0
# Makefile for nolibc tests
-include ../../../scripts/Makefile.include
-include ../../../scripts/utilities.mak
-# We need this for the "cc-option" macro.
-include ../../../build/Build.include
+# we're in ".../tools/testing/selftests/nolibc"
+ifeq ($(srctree),)
+srctree := $(patsubst %/tools/testing/selftests/,%,$(dir $(CURDIR)))
+endif
+
+include $(srctree)/tools/scripts/utilities.mak
+# We need this for the "__cc-option" macro.
+include $(srctree)/scripts/Makefile.compiler
ifneq ($(O),)
ifneq ($(call is-absolute,$(O)),y)
$(error Only absolute O= parameters are supported)
endif
-endif
-
-# we're in ".../tools/testing/selftests/nolibc"
-ifeq ($(srctree),)
-srctree := $(patsubst %/tools/testing/selftests/,%,$(dir $(CURDIR)))
+objtree := $(O)
+else
+objtree ?= $(srctree)
endif
ifeq ($(ARCH),)
@@ -21,7 +23,7 @@ include $(srctree)/scripts/subarch.include
ARCH = $(SUBARCH)
endif
-objtree ?= $(srctree)
+cc-option = $(call __cc-option, $(CC),$(CLANG_CROSS_FLAGS),$(1),$(2))
# XARCH extends the kernel's ARCH with a few variants of the same
# architecture that only differ by the configuration, the toolchain
@@ -152,12 +154,25 @@ CFLAGS_mips32be = -EB -mabi=32
CFLAGS_STACKPROTECTOR ?= $(call cc-option,-mstack-protector-guard=global $(call cc-option,-fstack-protector-all))
CFLAGS ?= -Os -fno-ident -fno-asynchronous-unwind-tables -std=c89 -W -Wall -Wextra \
$(call cc-option,-fno-stack-protector) \
- $(CFLAGS_$(XARCH)) $(CFLAGS_STACKPROTECTOR)
+ $(CFLAGS_$(XARCH)) $(CFLAGS_STACKPROTECTOR) $(CFLAGS_EXTRA)
LDFLAGS :=
+LIBGCC := -lgcc
+
+ifneq ($(LLVM),)
+# Not needed for clang
+LIBGCC :=
+endif
+
+# Modify CFLAGS based on LLVM=
+include $(srctree)/tools/scripts/Makefile.include
+
+# GCC uses "s390", clang "systemz"
+CLANG_CROSS_FLAGS := $(subst --target=s390-linux,--target=systemz-linux,$(CLANG_CROSS_FLAGS))
+
REPORT ?= awk '/\[OK\][\r]*$$/{p++} /\[FAIL\][\r]*$$/{if (!f) printf("\n"); f++; print;} /\[SKIPPED\][\r]*$$/{s++} \
END{ printf("\n%3d test(s): %3d passed, %3d skipped, %3d failed => status: ", p+s+f, p, s, f); \
- if (f) printf("failure\n"); else if (s) printf("warning\n"); else printf("success\n");; \
+ if (f || !p) printf("failure\n"); else if (s) printf("warning\n"); else printf("success\n");; \
printf("\nSee all results in %s\n", ARGV[1]); }'
help:
@@ -204,11 +219,11 @@ sysroot/$(ARCH)/include:
ifneq ($(NOLIBC_SYSROOT),0)
nolibc-test: nolibc-test.c nolibc-test-linkage.c sysroot/$(ARCH)/include
$(QUIET_CC)$(CC) $(CFLAGS) $(LDFLAGS) -o $@ \
- -nostdlib -nostdinc -static -Isysroot/$(ARCH)/include nolibc-test.c nolibc-test-linkage.c -lgcc
+ -nostdlib -nostdinc -static -Isysroot/$(ARCH)/include nolibc-test.c nolibc-test-linkage.c $(LIBGCC)
else
nolibc-test: nolibc-test.c nolibc-test-linkage.c
$(QUIET_CC)$(CC) $(CFLAGS) $(LDFLAGS) -o $@ \
- -nostdlib -static -include $(srctree)/tools/include/nolibc/nolibc.h nolibc-test.c nolibc-test-linkage.c -lgcc
+ -nostdlib -static -include $(srctree)/tools/include/nolibc/nolibc.h nolibc-test.c nolibc-test-linkage.c $(LIBGCC)
endif
libc-test: nolibc-test.c nolibc-test-linkage.c