summaryrefslogtreecommitdiff
path: root/tmk_core
diff options
context:
space:
mode:
authorDrashna Jaelre <drashna@live.com>2019-05-02 08:03:42 -0700
committerMechMerlin <30334081+mechmerlin@users.noreply.github.com>2019-05-02 08:03:42 -0700
commit7e655a207e58fb8e5c7d76bd5727558e6b4c8b0c (patch)
tree3fc26c13ac531dbe71d18571e7ede29e5e39fea5 /tmk_core
parent55d37d9fbcd85a49acbf539d751f0003e7b770ed (diff)
downloadqmk_firmware-7e655a207e58fb8e5c7d76bd5727558e6b4c8b0c.tar.gz
qmk_firmware-7e655a207e58fb8e5c7d76bd5727558e6b4c8b0c.zip
Add option to enable LTO easily (#5674)
* Add option to enable LTO easily and disable features that cause compiling errors with LTO * Add documentation about LTO option * Add to show_options
Diffstat (limited to 'tmk_core')
-rw-r--r--tmk_core/common.mk7
1 files changed, 7 insertions, 0 deletions
diff --git a/tmk_core/common.mk b/tmk_core/common.mk
index 94f3c2380d..2216887555 100644
--- a/tmk_core/common.mk
+++ b/tmk_core/common.mk
@@ -208,6 +208,13 @@ ifeq ($(strip $(SHARED_EP_ENABLE)), yes)
TMK_COMMON_DEFS += -DSHARED_EP_ENABLE
endif
+
+ifeq ($(strip $(LINK_TIME_OPTIMIZATION_ENABLE)), yes)
+ EXTRAFLAGS += -flto
+ TMK_COMMON_DEFS += -DLINK_TIME_OPTIMIZATION_ENABLE
+ TMK_COMMON_DEFS += -DNO_ACTION_MACRO
+ TMK_COMMON_DEFS += -DNO_ACTION_FUNCTION
+endif
# Bootloader address
ifdef STM32_BOOTLOADER_ADDRESS
TMK_COMMON_DEFS += -DSTM32_BOOTLOADER_ADDRESS=$(STM32_BOOTLOADER_ADDRESS)