remov no lto

Author: Jason2866

tools/copy-libs.sh

@@ -64,7 +64,7 @@ LD_SCRIPTS=""
 LD_SCRIPT_DIRS=""
 
 PIO_CC_FLAGS="-flto=auto "
-PIO_C_FLAGS=""
+PIO_C_FLAGS="-flto=auto "
 PIO_CXX_FLAGS="-flto=auto "
 PIO_AS_FLAGS=""
 PIO_LD_FLAGS="-flto "
@@ -108,7 +108,7 @@ for item in "${@:2:${#@}-5}"; do
 	elif [ "$prefix" = "-O" ]; then
 		PIO_CC_FLAGS+="$item "
 	elif [[ "$item" != "-Wall" && "$item" != "-Werror=all"  && "$item" != "-Wextra" ]]; then
-		if [[ "${item:0:23}" != "-mfix-esp32-psram-cache" && "${item:0:18}" != "-fmacro-prefix-map" && "${item:0:20}" != "-fdiagnostics-color=" && "${item:0:19}" != "-fdebug-prefix-map=" ]]; then
+		if [[ "${item:0:23}" != "-mfix-esp32-psram-cache" && "${item:0:18}" != "-fmacro-prefix-map" && "${item:0:20}" != "-fdiagnostics-color=" && "${item:0:19}" != "-fdebug-prefix-map=" && "${item:0:8}" != "-fno-lto" ]]; then
 			C_FLAGS+="$item "
 		fi
 	fi