diff --git a/arch/8051/src/Makefile b/arch/8051/src/Makefile
index fe1995fd04..83c796119f 100644
--- a/arch/8051/src/Makefile
+++ b/arch/8051/src/Makefile
@@ -72,7 +72,7 @@ BOARDDIR	= $(TOPDIR)/arch/$(CONFIG_ARCH)/src/board
 
 IRAM_SIZE	= 0x100
 DEF_STACK_BASE	= 0x24
-LDFLAGS		= --model-large --nostdlib \
+LDFLAGS		+= --model-large --nostdlib \
 		  --data-loc $(DEF_STACK_BASE) --iram-size $(IRAM_SIZE) \
 		  --code-loc 0x2100 --code-size 0x5f40 \
 		  --xram-loc $(IRAM_SIZE) --xram-size 0x1f00
diff --git a/arch/arm/src/Makefile b/arch/arm/src/Makefile
index 7bba7315fc..f356f4d02a 100644
--- a/arch/arm/src/Makefile
+++ b/arch/arm/src/Makefile
@@ -70,7 +70,7 @@ COBJS = $(CSRCS:.c=$(OBJEXT))
 SRCS = $(ASRCS) $(CSRCS)
 OBJS = $(AOBJS) $(COBJS)
 
-LDFLAGS = $(ARCHSCRIPT)
+LDFLAGS += $(ARCHSCRIPT)
 
 EXTRA_LIBS ?=
 EXTRA_LIBPATHS ?=
diff --git a/arch/avr/src/Makefile b/arch/avr/src/Makefile
index b72a6c8a8d..bbfc4dd4f9 100644
--- a/arch/avr/src/Makefile
+++ b/arch/avr/src/Makefile
@@ -74,7 +74,7 @@ COBJS		= $(CSRCS:.c=$(OBJEXT))
 SRCS		= $(ASRCS) $(CSRCS)
 OBJS		= $(AOBJS) $(COBJS)
 
-LDFLAGS		= $(ARCHSCRIPT)
+LDFLAGS		+= $(ARCHSCRIPT)
 EXTRA_LIBS	?=
 
 LINKLIBS	=
diff --git a/arch/hc/src/Makefile b/arch/hc/src/Makefile
index 36fc9bf723..ff19ce6fe6 100644
--- a/arch/hc/src/Makefile
+++ b/arch/hc/src/Makefile
@@ -67,7 +67,7 @@ COBJS		= $(CSRCS:.c=$(OBJEXT))
 SRCS		= $(ASRCS) $(CSRCS)
 OBJS		= $(AOBJS) $(COBJS)
 
-LDFLAGS		= $(ARCHSCRIPT)
+LDFLAGS		+= $(ARCHSCRIPT)
 EXTRA_LIBS	?=
 
 LINKLIBS	=
diff --git a/arch/mips/src/Makefile b/arch/mips/src/Makefile
index 8d7b940c6f..8769f35eca 100644
--- a/arch/mips/src/Makefile
+++ b/arch/mips/src/Makefile
@@ -64,7 +64,7 @@ COBJS		= $(CSRCS:.c=$(OBJEXT))
 SRCS		= $(ASRCS) $(CSRCS)
 OBJS		= $(AOBJS) $(COBJS)
 
-LDFLAGS		= $(ARCHSCRIPT)
+LDFLAGS		+= $(ARCHSCRIPT)
 EXTRA_LIBS	?=
 
 LINKLIBS	=
diff --git a/arch/sh/src/Makefile b/arch/sh/src/Makefile
index 7ec8c9f80f..3008983966 100644
--- a/arch/sh/src/Makefile
+++ b/arch/sh/src/Makefile
@@ -50,7 +50,7 @@ COBJS		= $(CSRCS:.c=$(OBJEXT))
 SRCS		= $(ASRCS) $(CSRCS)
 OBJS		= $(AOBJS) $(COBJS)
 
-LDFLAGS		= $(ARCHSCRIPT)
+LDFLAGS		+= $(ARCHSCRIPT)
 EXTRA_LIBS	?=
 
 LINKLIBS	=
diff --git a/arch/x86/src/Makefile b/arch/x86/src/Makefile
index 9c35e98092..7225f31cf0 100644
--- a/arch/x86/src/Makefile
+++ b/arch/x86/src/Makefile
@@ -64,7 +64,7 @@ COBJS		= $(CSRCS:.c=$(OBJEXT))
 SRCS		= $(ASRCS) $(CSRCS)
 OBJS		= $(AOBJS) $(COBJS)
 
-LDFLAGS		= $(ARCHSCRIPT)
+LDFLAGS		+= $(ARCHSCRIPT)
 EXTRA_LIBS	?=
 
 LINKLIBS	=
diff --git a/arch/z16/src/Makefile b/arch/z16/src/Makefile
index 40dc73c5e1..088aeebd2e 100644
--- a/arch/z16/src/Makefile
+++ b/arch/z16/src/Makefile
@@ -49,7 +49,7 @@ INCLUDES	= $(ARCHSTDINCLUDES) $(USRINCLUDES)
 CFLAGS		= $(ARCHWARNINGS) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(INCLUDES) $(ARCHDEFINES) $(EXTRADEFINES)
 CPPFLAGS	+= -I$(ARCHSRCDIR)
 ifeq ($(COMPILER),zneocc.exe)
-LDFLAGS 	= @"${shell cygpath -w $(ARCHSRCDIR)/nuttx.linkcmd}"
+LDFLAGS 	+= @"${shell cygpath -w $(ARCHSRCDIR)/nuttx.linkcmd}"
 endif
 
 HEAD_ASRC	= $(HEAD_SSRC:.S=$(ASMEXT))
diff --git a/arch/z80/src/Makefile.zdsii b/arch/z80/src/Makefile.zdsii
index a105597a92..e749bddd32 100644
--- a/arch/z80/src/Makefile.zdsii
+++ b/arch/z80/src/Makefile.zdsii
@@ -41,7 +41,7 @@ USRINCLUDES	= -usrinc:'.;$(WTOPDIR)\sched;$(WARCHSRCDIR);$(WARCHSRCDIR)\common'
 INCLUDES	= $(ARCHSTDINCLUDES) $(USRINCLUDES)
 CFLAGS		= $(ARCHWARNINGS) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(INCLUDES) $(ARCHDEFINES) $(EXTRADEFINES)
 CPPFLAGS	+= -I$(ARCHSRCDIR) -I$(ZDSSTDINCDIR) -I$(ZDSZILOGINCDIR)
-LDFLAGS 	= @"${shell cygpath -w $(ARCHSRCDIR)/nuttx.linkcmd}"
+LDFLAGS 	+= @"${shell cygpath -w $(ARCHSRCDIR)/nuttx.linkcmd}"
 
 ############################################################################
 # Files and directories