diff options
| -rw-r--r-- | payloads/coreinfo/Kconfig | 9 | ||||
| -rw-r--r-- | payloads/coreinfo/Makefile | 6 |
2 files changed, 14 insertions, 1 deletions
diff --git a/payloads/coreinfo/Kconfig b/payloads/coreinfo/Kconfig index eafb879363..2c1f91c874 100644 --- a/payloads/coreinfo/Kconfig +++ b/payloads/coreinfo/Kconfig @@ -42,6 +42,15 @@ config PAYLOAD_INFO_VERSION help The version number of this payload. +config LTO + bool "Use link time optimization (LTO)" + default n + help + Compile with link time optimization. This can often decrease the + final binary size, but may increase compilation time. This option + is most effective when LTO is also enabled in libpayload, which + is done separately. + endmenu menu "Modules" diff --git a/payloads/coreinfo/Makefile b/payloads/coreinfo/Makefile index d842b469c4..cd58f392dd 100644 --- a/payloads/coreinfo/Makefile +++ b/payloads/coreinfo/Makefile @@ -76,9 +76,13 @@ ifneq ($(strip $(HAVE_DOTCONFIG)),) include $(src)/.config real-all: $(TARGET) +ifeq ($(CONFIG_LTO),y) +CFLAGS += -flto +endif + $(TARGET): $(src)/.config $(coreinfo_obj)/config.h $(OBJS) libpayload printf " LPCC $(subst $(CURDIR)/,,$(@)) (LINK)\n" - $(LPCC) -o $@ $(OBJS) + $(LPCC) $(CFLAGS) -o $@ $(OBJS) $(OBJCOPY) --only-keep-debug $@ $(TARGET).debug $(OBJCOPY) --strip-debug $@ $(OBJCOPY) --add-gnu-debuglink=$(TARGET).debug $@ |