no-dot-config-targets := clean clobber mrproper distclean \
help %docs check% coccicheck \
- ubootversion backup tests check qcheck tcheck pylint \
- pylint_err
+ ubootversion backup tests check pcheck qcheck tcheck \
+ pylint pylint_err
config-targets := 0
mixed-targets := 0
export CFLAGS_NON_EFI # Compiler flags to remove when building EFI app
export EFI_TARGET # binutils target if EFI is natively supported
+export LTO_ENABLE
+
+# This is y if LTO is enabled for this build. See NO_LTO=1 to disable LTO
+ifeq ($(NO_LTO),)
+LTO_ENABLE=$(if $(CONFIG_LTO),y)
+endif
+
# If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use
# that (or fail if absent). Otherwise, search for a linker script in a
# standard location.
LTO_CFLAGS :=
LTO_FINAL_LDFLAGS :=
export LTO_CFLAGS LTO_FINAL_LDFLAGS
-ifdef CONFIG_LTO
+ifeq ($(LTO_ENABLE),y)
ifeq ($(cc-name),clang)
- LTO_CFLAGS += -flto
+ LTO_CFLAGS += -DLTO_ENABLE -flto
LTO_FINAL_LDFLAGS += -flto
AR = $(shell $(CC) -print-prog-name=llvm-ar)
NM = $(shell $(CC) -print-prog-name=llvm-nm)
else
NPROC := $(shell nproc 2>/dev/null || echo 1)
- LTO_CFLAGS += -flto=$(NPROC)
+ LTO_CFLAGS += -DLTO_ENABLE -flto=$(NPROC)
LTO_FINAL_LDFLAGS += -fuse-linker-plugin -flto=$(NPROC)
# use plugin aware tools
u-boot-spl.kwb: u-boot.bin spl/u-boot-spl.bin FORCE
$(call if_changed,mkimage)
+ $(BOARD_SIZE_CHECK)
u-boot.sha1: u-boot.bin
tools/ubsha1 u-boot.bin
# Generate linker list symbols references to force compiler to not optimize
# them away when compiling with LTO
-ifdef CONFIG_LTO
+ifeq ($(LTO_ENABLE),y)
u-boot-keep-syms-lto := keep-syms-lto.o
u-boot-keep-syms-lto_c := $(patsubst %.o,%.c,$(u-boot-keep-syms-lto))
# Rule to link u-boot
# May be overridden by arch/$(ARCH)/config.mk
-ifdef CONFIG_LTO
+ifeq ($(LTO_ENABLE),y)
quiet_cmd_u-boot__ ?= LTO $@
cmd_u-boot__ ?= \
$(CC) -nostdlib -nostartfiles \
@echo 'Test targets:'
@echo ''
@echo ' check - Run all automated tests that use sandbox'
+ @echo ' pcheck - Run quick automated tests in parallel'
@echo ' qcheck - Run quick automated tests that use sandbox'
@echo ' tcheck - Run quick automated tests on tools'
@echo ' pylint - Run pylint on all Python files'
tests check:
$(srctree)/test/run
+pcheck:
+ $(srctree)/test/run parallel
+
qcheck:
$(srctree)/test/run quick