stdin

stdin

diff --git a/config/Config-build.in b/config/Config-build.in
index a082a5e0e2..7aced23a97 100644
--- a/config/Config-build.in
+++ b/config/Config-build.in
@@ -84,6 +84,14 @@ menu "Global build settings"
 		  Useful for release builds, so that kernel issues can be debugged offline
 		  later.
 
+	config PKG_LTO
+		bool
+		prompt "Build packages with LTO"
+		default n
+		help
+		  If enabled, packages are built with link-time optimization.
+
+
 	menu "Kernel build options"
 
 	source "config/Config-kernel.in"
diff --git a/include/package.mk b/include/package.mk
index a03db11119..2240a1349a 100644
--- a/include/package.mk
+++ b/include/package.mk
@@ -16,6 +16,7 @@ PKG_INSTALL_DIR ?= $(PKG_BUILD_DIR)/ipkg-install
 PKG_BUILD_PARALLEL ?=
 PKG_USE_MIPS16 ?= 1
 PKG_IREMAP ?= 1
+PKG_LTO ?= 1
 
 MAKE_J:=$(if $(MAKE_JOBSERVER),$(MAKE_JOBSERVER) $(if $(filter 3.% 4.0 4.1,$(MAKE_VERSION)),-j))
 
@@ -35,6 +36,16 @@ ifeq ($(strip $(PKG_IREMAP)),1)
   TARGET_CFLAGS += $(IREMAP_CFLAGS)
 endif
 
+ifdef CONFIG_PKG_LTO
+  ifeq ($(strip $(PKG_LTO)),1)
+    TARGET_CFLAGS += -flto=jobserver
+    TARGET_LDFLAGS += -flto=jobserver
+  else
+    TARGET_CFLAGS += -fno-lto
+    TARGET_LDFLAGS += -fno-lto
+  endif
+endif
+
 include $(INCLUDE_DIR)/hardening.mk
 include $(INCLUDE_DIR)/prereq.mk
 include $(INCLUDE_DIR)/unpack.mk