samples: suit: Link time optimization for recovery app

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 <artur.hadasz@nordicsemi.no>
nrfconnect · Nov 7, 2024 · 7f9dd01 · 7f9dd01
1 parent 9e61aa7
commit 7f9dd01
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diff --git a/samples/suit/recovery/prj.conf b/samples/suit/recovery/prj.conf
@@ -66,8 +66,13 @@ 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 +45,11 @@ 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