samples: suit: Link time optimization for recovery app

ahasztag · maciejpietras · commit 76d1c8d56600 · 2024-11-26T14:42:10.000+01:00
This commit enables LTO on both cores in the default
SUIT recovery application.

This allows to save ~10kB on the application core
and ~5kB on the radio core.

Signed-off-by: Artur Hadasz &lt;artur.hadasz@nordicsemi.no&gt;
diff --git a/samples/suit/recovery/prj.conf b/samples/suit/recovery/prj.conf
@@ -68,6 +68,10 @@ CONFIG_BT_DEVICE_NAME="SUIT Recovery"
 # Disable unneeded drivers, peripherals and features to optimize for size
 CONFIG_SIZE_OPTIMIZATIONS=y
 
+# Enable LTO
+CONFIG_LTO=y
+CONFIG_ISR_TABLES_LOCAL_DECLARATION=y
+
 CONFIG_I2C=n
 CONFIG_WATCHDOG=n
 CONFIG_SPI=n
diff --git a/samples/suit/recovery/sysbuild/hci_ipc.conf b/samples/suit/recovery/sysbuild/hci_ipc.conf
@@ -45,6 +45,10 @@ CONFIG_PRINTK=n
 
 CONFIG_SIZE_OPTIMIZATIONS=y
 
+# Enable LTO
+CONFIG_LTO=y
+CONFIG_ISR_TABLES_LOCAL_DECLARATION=y
+
 CONFIG_BT_CTLR_CRYPTO=n
 CONFIG_ENTROPY_GENERATOR=y
 
