build, add -flto for all builds if available

This commit is contained in:
kub 2024-02-14 23:32:12 +01:00
parent f1dbe7642f
commit b5d8374c6a

View file

@ -71,6 +71,8 @@ CFLAGS += $(call chkCCflag, -fno-caller-saves -fno-guess-branch-probability -fno
# very old gcc toolchains may not have these options
CFLAGS += $(call chkCCflag, -fno-tree-loop-if-convert -fipa-pta -fno-ipa-cp)
endif
else
CFLAGS += $(call chkCCflag, -flto)
endif
# revision info from repository if this not a tagged release
@ -149,10 +151,6 @@ all: $(TARGET).opk
endif
endif
ifneq (,$(filter %mips32r2, $(CFLAGS)))
CFLAGS += -DMIPS_USE_SYNCI # mips32r2 clear_cache uses SYNCI instead of a syscall
endif
OBJS += platform/opendingux/inputmap.o
use_inputmap ?= 1
@ -416,6 +414,10 @@ ifneq (,$(findstring -flto,$(CFLAGS)))
# to avoid saving and reloading it. However, this collides with the use of LTO.
pico/32x/memory.o: CFLAGS += -fno-lto
pico/32x/sh2soc.o: CFLAGS += -fno-lto
cpu/sh2/compiler.o: CFLAGS += -fno-lto
endif
ifneq (,$(filter mips64%, $(ARCH))$(filter %mips32r2, $(CFLAGS)))
CFLAGS += -DMIPS_USE_SYNCI # mips32r2 clear_cache uses SYNCI instead of a syscall
endif
endif