From 29630e6e49487cbf97fa57f47b399d4d5866fe13 Mon Sep 17 00:00:00 2001 From: Drashna Jaelre Date: Mon, 4 Nov 2019 15:35:47 -0800 Subject: [Core] Add short form LTO_ENABLE (#7259) For drashna's sanity's sake --- docs/config_options.md | 3 ++- tmk_core/common.mk | 3 +++ 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/docs/config_options.md b/docs/config_options.md index abd98ec8a8..c44a47178c 100644 --- a/docs/config_options.md +++ b/docs/config_options.md @@ -348,7 +348,8 @@ Use these to enable or disable building certain features. The more you have enab * `NO_USB_STARTUP_CHECK` * Disables usb suspend check after keyboard startup. Usually the keyboard waits for the host to wake it up before any tasks are performed. This is useful for split keyboards as one half will not get a wakeup call but must send commands to the master. * `LINK_TIME_OPTIMIZATION_ENABLE` - = Enables Link Time Optimization (`LTO`) when compiling the keyboard. This makes the process take longer, but can significantly reduce the compiled size (and since the firmware is small, the added time is not noticable). However, this will automatically disable the old Macros and Functions features automatically, as these break when `LTO` is enabled. It does this by automatically defining `NO_ACTION_MACRO` and `NO_ACTION_FUNCTION` + * Enables Link Time Optimization (`LTO`) when compiling the keyboard. This makes the process take longer, but can significantly reduce the compiled size (and since the firmware is small, the added time is not noticeable). However, this will automatically disable the old Macros and Functions features automatically, as these break when `LTO` is enabled. It does this by automatically defining `NO_ACTION_MACRO` and `NO_ACTION_FUNCTION` + * Alternatively, you can use `LTO_ENABLE` instead of `LINK_TIME_OPTIMIZATION_ENABLE`. ## USB Endpoint Limitations diff --git a/tmk_core/common.mk b/tmk_core/common.mk index db55353465..d43950299b 100644 --- a/tmk_core/common.mk +++ b/tmk_core/common.mk @@ -203,6 +203,9 @@ ifeq ($(strip $(SHARED_EP_ENABLE)), yes) TMK_COMMON_DEFS += -DSHARED_EP_ENABLE endif +ifeq ($(strip $(LTO_ENABLE)), yes) + LINK_TIME_OPTIMIZATION_ENABLE = yes +endif ifeq ($(strip $(LINK_TIME_OPTIMIZATION_ENABLE)), yes) EXTRAFLAGS += -flto -- cgit v1.2.3