diff options
| -rw-r--r-- | payloads/libpayload/Kconfig | 8 | ||||
| -rw-r--r-- | payloads/libpayload/Makefile.inc | 4 |
2 files changed, 12 insertions, 0 deletions
diff --git a/payloads/libpayload/Kconfig b/payloads/libpayload/Kconfig index b5dc9a3c8b..f5b81a9f00 100644 --- a/payloads/libpayload/Kconfig +++ b/payloads/libpayload/Kconfig @@ -79,6 +79,14 @@ config COMPILER_LLVM_CLANG endchoice +config LTO + bool "Use link time optimization (LTO)" + default n + depends on COMPILER_GCC + help + Compile with link time optimization. This can often decrease the + final binary size, but may increase compilation time. + config REMOTEGDB bool "Remote GDB stub" default n diff --git a/payloads/libpayload/Makefile.inc b/payloads/libpayload/Makefile.inc index 2acf2266da..1b2a883b16 100644 --- a/payloads/libpayload/Makefile.inc +++ b/payloads/libpayload/Makefile.inc @@ -64,6 +64,10 @@ CFLAGS += -Wall -Wundef -Wstrict-prototypes -Wmissing-prototypes -Wvla CFLAGS += -Wwrite-strings -Wredundant-decls -Wno-trigraphs -Wimplicit-fallthrough CFLAGS += -Wstrict-aliasing -Wshadow -Werror +ifeq ($(CONFIG_LP_LTO),y) +CFLAGS += -flto +endif + $(obj)/libpayload-config.h: $(KCONFIG_AUTOHEADER) cmp $@ $< 2>/dev/null || cp $< $@ |