build: add support to use the mold linker for packages

If CONFIG_USE_MOLD is set, all target packages will use the mold linker.
Except the ones which opted-out via setting PKG_BUILD_FLAGS:=no-mold.

Signed-off-by: Andre Heider <a.heider@gmail.com>

diff --git a/include/package.mk b/include/package.mk
index 1762080b9b0c1e83a23289269428d63d05e8ab09..61a26f0c4380f4e44f39878401c183831ed28ff4 100644 (file)
--- a/include/package.mk
+++ b/include/package.mk
@@ -55,6 +55,11 @@ ifeq ($(call pkg_build_flag,lto,$(if $(CONFIG_USE_LTO),1,0)),1)
   TARGET_CXXFLAGS+= -flto=auto -fno-fat-lto-objects
   TARGET_LDFLAGS+= -flto=auto -fuse-linker-plugin
 endif
+ifdef CONFIG_USE_MOLD
+  ifeq ($(call pkg_build_flag,mold,1),1)
+    TARGET_LINKER:=mold
+  endif
+endif
 
 include $(INCLUDE_DIR)/hardening.mk
 include $(INCLUDE_DIR)/prereq.mk