diff --git a/harbour/ChangeLog b/harbour/ChangeLog
index a7949e25ac..3dded5b367 100644
--- a/harbour/ChangeLog
+++ b/harbour/ChangeLog
@@ -17,6 +17,44 @@
    past entries belonging to author(s): Viktor Szakats.
 */
 
+2009-12-04 00:41 UTC+0100 Viktor Szakats (harbour.01 syenar.hu)
+  * config/beos/gcc.mk
+  * config/bsd/gcc.mk
+  * config/wce/mingwarm.mk
+  * config/wce/poccarm.mk
+  * config/wce/msvcarm.mk
+  * config/hpux/gcc.mk
+  * config/darwin/gcc.mk
+  * config/darwin/icc.mk
+  * config/darwin/clang.mk
+  * config/dos/watcom.mk
+  * config/dos/djgpp.mk
+  * config/common/watcom.mk
+  * config/win/xcc.mk
+  * config/win/mingw.mk
+  * config/win/pocc.mk
+  * config/win/bcc.mk
+  * config/win/watcom.mk
+  * config/win/icc.mk
+  * config/win/cygwin.mk
+  * config/win/msvc.mk
+  * config/linux/watcom.mk
+  * config/linux/gcc.mk
+  * config/linux/icc.mk
+  * config/linux/clang.mk
+  * config/linux/sunpro.mk
+  * config/os2/watcom.mk
+  * config/os2/gcc.mk
+  * config/sunos/gcc.mk
+  * config/sunos/sunpro.mk
+    * Initializing LDFLAGS, DFLAGS and ARFLAGS at the beginning of files.
+      This allows to easily add to these var according to build settings.
+      It also syncs all .mk files to use the same layout in this regard.
+
+  * config/wce/msvcarm.mk
+  * config/win/msvc.mk
+    + Added -debug linker option to .dll linking for msvc/msvcarm targets.
+
 2009-12-04 00:23 UTC+0100 Przemyslaw Czerpak (druzus/at/priv.onet.pl)
   * harbour/contrib/rddads/ads1.c
     * added support for dynamic descend flag switching by
diff --git a/harbour/config/beos/gcc.mk b/harbour/config/beos/gcc.mk
index dd7ef51a75..d8ab081e87 100644
--- a/harbour/config/beos/gcc.mk
+++ b/harbour/config/beos/gcc.mk
@@ -19,7 +19,9 @@ CC_IN := -c
 CC_OUT := -o
 
 CFLAGS := -I. -I$(HB_INC_COMPILE)
+ARFLAGS :=
 LDFLAGS :=
+DFLAGS :=
 
 ifneq ($(HB_BUILD_WARN),no)
    CFLAGS += -Wall -W
@@ -42,11 +44,10 @@ LDLIBS := $(foreach lib,$(HB_USER_LIBS) $(LIBS) $(SYSLIBS),-l$(lib))
 LDFLAGS += $(LIBPATHS)
 
 AR := $(HB_CCPREFIX)ar
-ARFLAGS :=
 AR_RULE = ( $(AR) $(ARFLAGS) $(HB_USER_AFLAGS) rcs $(LIB_DIR)/$@ $(^F) $(ARSTRIP) ) || ( $(RM) $(LIB_DIR)/$@ && false )
 
 DY := $(CC)
-DFLAGS := -shared $(LIBPATHS)
+DFLAGS += -shared $(LIBPATHS)
 DY_OUT := -o$(subst x,x, )
 DLIBS := $(foreach lib,$(HB_USER_LIBS) $(SYSLIBS),-l$(lib))
 
diff --git a/harbour/config/bsd/gcc.mk b/harbour/config/bsd/gcc.mk
index 2c65648f11..86dccfa082 100644
--- a/harbour/config/bsd/gcc.mk
+++ b/harbour/config/bsd/gcc.mk
@@ -17,7 +17,9 @@ CC_IN := -c
 CC_OUT := -o
 
 CFLAGS := -I. -I$(HB_INC_COMPILE)
+ARFLAGS :=
 LDFLAGS :=
+DFLAGS :=
 
 ifneq ($(HB_BUILD_WARN),no)
    CFLAGS += -Wall -W
@@ -40,11 +42,10 @@ LDLIBS := $(foreach lib,$(HB_USER_LIBS) $(LIBS) $(SYSLIBS),-l$(lib))
 LDFLAGS += $(LIBPATHS)
 
 AR := $(HB_CCPREFIX)ar
-ARFLAGS :=
 AR_RULE = ( $(AR) $(ARFLAGS) $(HB_USER_AFLAGS) r $(LIB_DIR)/$@ $(^F) $(ARSTRIP) ) || ( $(RM) $(LIB_DIR)/$@ && false )
 
 DY := $(CC)
-DFLAGS := -shared $(LIBPATHS)
+DFLAGS += -shared $(LIBPATHS)
 DY_OUT := -o$(subst x,x, )
 DLIBS := $(foreach lib,$(HB_USER_LIBS) $(SYSLIBS),-l$(lib))
 
diff --git a/harbour/config/common/watcom.mk b/harbour/config/common/watcom.mk
index 768dfe72c0..4bd9721b0e 100644
--- a/harbour/config/common/watcom.mk
+++ b/harbour/config/common/watcom.mk
@@ -21,7 +21,7 @@ ifeq ($(HB_PLATFORM),linux)
 endif
 
 AR := wlib
-ARFLAGS := -q -p=72 -c -n
+ARFLAGS += -q -p=72 -c -n
 
 comma := ,
 LDFILES_COMMA = $(subst $(subst x,x, ),$(comma) ,$(^F))
diff --git a/harbour/config/darwin/clang.mk b/harbour/config/darwin/clang.mk
index 9a9d3481a4..695989e7da 100644
--- a/harbour/config/darwin/clang.mk
+++ b/harbour/config/darwin/clang.mk
@@ -23,10 +23,12 @@ endif
 CC_OUT := -o$(subst x,x, )
 
 CFLAGS := -I. -I$(HB_INC_COMPILE)
+ARFLAGS :=
+LDFLAGS :=
+DFLAGS :=
 
 # -fno-common enables building .dylib files
 CFLAGS += -fno-common
-LDFLAGS :=
 
 ifneq ($(HB_BUILD_WARN),no)
    CFLAGS += -Wall -W
@@ -53,11 +55,10 @@ LDLIBS := $(foreach lib,$(HB_USER_LIBS) $(LIBS) $(SYSLIBS),-l$(lib))
 LDFLAGS += $(LIBPATHS)
 
 AR := libtool
-ARFLAGS :=
 AR_RULE = ( $(AR) -static $(ARFLAGS) $(HB_USER_AFLAGS) -o $(LIB_DIR)/$@ $(^F) $(ARSTRIP) ) || ( $(RM) $(LIB_DIR)/$@ && false )
 
 DY := $(AR)
-DFLAGS := -dynamic -flat_namespace -undefined warning -multiply_defined suppress -single_module $(LIBPATHS)
+DFLAGS += -dynamic -flat_namespace -undefined warning -multiply_defined suppress -single_module $(LIBPATHS)
 DY_OUT := -o$(subst x,x, )
 DLIBS := $(foreach lib,$(HB_USER_LIBS) $(SYSLIBS),-l$(lib))
 
diff --git a/harbour/config/darwin/gcc.mk b/harbour/config/darwin/gcc.mk
index 5c2fbd8749..780bec6574 100644
--- a/harbour/config/darwin/gcc.mk
+++ b/harbour/config/darwin/gcc.mk
@@ -21,13 +21,15 @@ CC_IN := -c
 CC_OUT := -o$(subst x,x, )
 
 CFLAGS := -I. -I$(HB_INC_COMPILE)
+ARFLAGS :=
+LDFLAGS :=
+DFLAGS :=
 
 # -no-cpp-precomp prevents from using buggy precompiled headers
 # CFLAGS += -no-cpp-precomp
 
 # -fno-common enables building .dylib files
 CFLAGS += -fno-common
-LDFLAGS :=
 
 ifneq ($(HB_BUILD_WARN),no)
    CFLAGS += -Wall -W
@@ -54,11 +56,10 @@ LDLIBS := $(foreach lib,$(HB_USER_LIBS) $(LIBS) $(SYSLIBS),-l$(lib))
 LDFLAGS += $(LIBPATHS)
 
 AR := libtool
-ARFLAGS :=
 AR_RULE = ( $(AR) -static $(ARFLAGS) $(HB_USER_AFLAGS) -o $(LIB_DIR)/$@ $(^F) $(ARSTRIP) ) || ( $(RM) $(LIB_DIR)/$@ && false )
 
 DY := $(AR)
-DFLAGS := -dynamic -flat_namespace -undefined warning -multiply_defined suppress -single_module $(LIBPATHS)
+DFLAGS += -dynamic -flat_namespace -undefined warning -multiply_defined suppress -single_module $(LIBPATHS)
 DY_OUT := -o$(subst x,x, )
 DLIBS := $(foreach lib,$(HB_USER_LIBS) $(SYSLIBS),-l$(lib))
 
diff --git a/harbour/config/darwin/icc.mk b/harbour/config/darwin/icc.mk
index 84dfaa566f..caa6172742 100644
--- a/harbour/config/darwin/icc.mk
+++ b/harbour/config/darwin/icc.mk
@@ -17,7 +17,9 @@ CC_IN := -c
 CC_OUT := -o
 
 CFLAGS := -I. -I$(HB_INC_COMPILE)
+ARFLAGS :=
 LDFLAGS :=
+DFLAGS :=
 
 CFLAGS += -D_GNU_SOURCE
 
@@ -42,11 +44,10 @@ LDLIBS := $(foreach lib,$(HB_USER_LIBS) $(LIBS) $(SYSLIBS),-l$(lib))
 LDFLAGS += $(LIBPATHS)
 
 AR := libtool
-ARFLAGS :=
 AR_RULE = ( $(AR) -static $(ARFLAGS) $(HB_USER_AFLAGS) -o $(LIB_DIR)/$@ $(^F) $(ARSTRIP) ) || ( $(RM) $(LIB_DIR)/$@ && false )
 
 DY := $(AR)
-DFLAGS := -dynamic -flat_namespace -undefined warning -multiply_defined suppress -single_module $(LIBPATHS)
+DFLAGS += -dynamic -flat_namespace -undefined warning -multiply_defined suppress -single_module $(LIBPATHS)
 DY_OUT := -o$(subst x,x, )
 DLIBS := $(foreach lib,$(HB_USER_LIBS) $(SYSLIBS),-l$(lib))
 
diff --git a/harbour/config/dos/djgpp.mk b/harbour/config/dos/djgpp.mk
index be48aa18af..2436a375c6 100644
--- a/harbour/config/dos/djgpp.mk
+++ b/harbour/config/dos/djgpp.mk
@@ -17,7 +17,9 @@ CC_IN := -c
 CC_OUT := -o
 
 CFLAGS := -I. -I$(HB_INC_COMPILE)
+ARFLAGS :=
 LDFLAGS :=
+DFLAGS :=
 
 ifneq ($(HB_BUILD_WARN),no)
    CFLAGS += -Wall -W
@@ -97,13 +99,12 @@ define link_exe_file
 endef
 
 AR := ar
-ARFLAGS :=
 AR_RULE = $(create_library)
 
 LD_RULE = $(link_exe_file)
 
 #DY := $(CC)
-#DFLAGS := -Wl,-shared $(LIBPATHS)
+#DFLAGS += -Wl,-shared $(LIBPATHS)
 #DY_OUT := -o$(subst x,x, )
 #DLIBS := $(foreach lib,$(HB_USER_LIBS) $(SYSLIBS),-l$(lib))
 #
diff --git a/harbour/config/dos/watcom.mk b/harbour/config/dos/watcom.mk
index 273a97f272..770ce5d1a3 100644
--- a/harbour/config/dos/watcom.mk
+++ b/harbour/config/dos/watcom.mk
@@ -22,7 +22,9 @@ CC_IN :=
 CC_OUT := -fo=
 
 CFLAGS := -zq -bt=dos
+ARFLAGS :=
 LDFLAGS := OP quiet
+DFLAGS :=
 
 ifneq ($(HB_BUILD_WARN),no)
    CFLAGS += -w3
@@ -74,7 +76,7 @@ ifneq ($(HB_LINKING_RTL),)
 endif
 
 DY := $(LD)
-DFLAGS := OP quiet SYS cwdllr
+DFLAGS += OP quiet SYS cwdllr
 DY_OUT :=
 DLIBS := $(foreach lib,$(HB_USER_LIBS),$(lib))
 DLIBS += $(foreach lib,$(LIBS),$(LIB_DIR)/$(lib))
diff --git a/harbour/config/hpux/gcc.mk b/harbour/config/hpux/gcc.mk
index e07715ead8..b32ffbcff8 100644
--- a/harbour/config/hpux/gcc.mk
+++ b/harbour/config/hpux/gcc.mk
@@ -19,7 +19,9 @@ CC_IN := -c
 CC_OUT := -o
 
 CFLAGS := -I. -I$(HB_INC_COMPILE)
+ARFLAGS :=
 LDFLAGS :=
+DFLAGS :=
 
 ifneq ($(HB_BUILD_WARN),no)
    CFLAGS += -Wall -W
@@ -46,11 +48,10 @@ LDLIBS := $(foreach lib,$(HB_USER_LIBS) $(LIBS) $(SYSLIBS),-l$(lib))
 LDFLAGS += $(LIBPATHS)
 
 AR := $(HB_CCPREFIX)ar
-ARFLAGS :=
 AR_RULE = ( $(AR) $(ARFLAGS) $(HB_USER_AFLAGS) rc $(LIB_DIR)/$@ $(^F) $(ARSTRIP) ) || ( $(RM) $(LIB_DIR)/$@ && false )
 
 DY := $(CC)
-DFLAGS := -shared $(LIBPATHS)
+DFLAGS += -shared $(LIBPATHS)
 DY_OUT := -o$(subst x,x, )
 DLIBS := $(foreach lib,$(HB_USER_LIBS) $(SYSLIBS),-l$(lib))
 
diff --git a/harbour/config/linux/clang.mk b/harbour/config/linux/clang.mk
index 11a3a727ca..4ab0a01abb 100644
--- a/harbour/config/linux/clang.mk
+++ b/harbour/config/linux/clang.mk
@@ -24,7 +24,9 @@ endif
 CC_OUT := -o
 
 CFLAGS := -I. -I$(HB_INC_COMPILE)
+ARFLAGS :=
 LDFLAGS :=
+DFLAGS :=
 
 ifneq ($(HB_BUILD_WARN),no)
    CFLAGS += -Wall -W
@@ -47,11 +49,10 @@ LDLIBS := $(foreach lib,$(HB_USER_LIBS) $(LIBS) $(SYSLIBS),-l$(lib))
 LDFLAGS += $(LIBPATHS)
 
 AR := $(HB_CCPREFIX)ar
-ARFLAGS :=
 AR_RULE = ( $(AR) $(ARFLAGS) $(HB_USER_AFLAGS) rcs $(LIB_DIR)/$@ $(^F) $(ARSTRIP) ) || ( $(RM) $(LIB_DIR)/$@ && false )
 
 DY := $(CC)
-DFLAGS := -shared $(LIBPATHS)
+DFLAGS += -shared $(LIBPATHS)
 DY_OUT := -o$(subst x,x, )
 DLIBS := $(foreach lib,$(HB_USER_LIBS) $(SYSLIBS),-l$(lib))
 
diff --git a/harbour/config/linux/gcc.mk b/harbour/config/linux/gcc.mk
index c8735c21d5..7fe5e5dfbf 100644
--- a/harbour/config/linux/gcc.mk
+++ b/harbour/config/linux/gcc.mk
@@ -19,7 +19,9 @@ CC_IN := -c
 CC_OUT := -o
 
 CFLAGS := -I. -I$(HB_INC_COMPILE)
+ARFLAGS :=
 LDFLAGS :=
+DFLAGS :=
 
 ifneq ($(HB_BUILD_WARN),no)
    CFLAGS += -Wall -W
@@ -42,11 +44,10 @@ LDLIBS := $(foreach lib,$(HB_USER_LIBS) $(LIBS) $(SYSLIBS),-l$(lib))
 LDFLAGS += $(LIBPATHS)
 
 AR := $(HB_CCPREFIX)ar
-ARFLAGS :=
 AR_RULE = ( $(AR) $(ARFLAGS) $(HB_USER_AFLAGS) rcs $(LIB_DIR)/$@ $(^F) $(ARSTRIP) ) || ( $(RM) $(LIB_DIR)/$@ && false )
 
 DY := $(CC)
-DFLAGS := -shared $(LIBPATHS)
+DFLAGS += -shared $(LIBPATHS)
 DY_OUT := -o$(subst x,x, )
 DLIBS := $(foreach lib,$(HB_USER_LIBS) $(SYSLIBS),-l$(lib))
 
diff --git a/harbour/config/linux/icc.mk b/harbour/config/linux/icc.mk
index 2f8025d5cc..90cde14281 100644
--- a/harbour/config/linux/icc.mk
+++ b/harbour/config/linux/icc.mk
@@ -19,7 +19,9 @@ CC_IN := -c
 CC_OUT := -o
 
 CFLAGS := -I. -I$(HB_INC_COMPILE)
+ARFLAGS :=
 LDFLAGS :=
+DFLAGS :=
 
 CFLAGS += -D_GNU_SOURCE
 #CFLAGS += -fast
@@ -47,11 +49,10 @@ LDLIBS := $(foreach lib,$(HB_USER_LIBS) $(LIBS) $(SYSLIBS),-l$(lib))
 LDFLAGS += $(LIBPATHS)
 
 AR := xiar
-ARFLAGS :=
 AR_RULE = ( $(AR) $(ARFLAGS) $(HB_USER_AFLAGS) rcs $(LIB_DIR)/$@ $(^F) $(ARSTRIP) ) || ( $(RM) $(LIB_DIR)/$@ && false )
 
 DY := $(CC)
-DFLAGS := -shared $(LIBPATHS)
+DFLAGS += -shared $(LIBPATHS)
 DY_OUT := -o$(subst x,x, )
 DLIBS := $(foreach lib,$(SYSLIBS),-l$(lib))
 
diff --git a/harbour/config/linux/sunpro.mk b/harbour/config/linux/sunpro.mk
index e083392cd8..0096018bed 100644
--- a/harbour/config/linux/sunpro.mk
+++ b/harbour/config/linux/sunpro.mk
@@ -23,7 +23,9 @@ CC_OUT := -o$(subst x,x, )
 CXX := $(HB_CCACHE) $(HB_CCPATH)$(HB_CCPREFIX)sunCC$(HB_CCPOSTFIX)
 
 CFLAGS := -I. -I$(HB_INC_COMPILE)
+ARFLAGS :=
 LDFLAGS :=
+DFLAGS :=
 
 # try to keep `-fast' as left as possible, as later optim
 # flags may override values set by `-fast', and this way
@@ -62,11 +64,10 @@ LDLIBS := $(foreach lib,$(HB_USER_LIBS) $(LIBS) $(SYSLIBS),-l$(lib))
 LDFLAGS += $(LIBPATHS)
 
 AR := ar
-ARFLAGS :=
 AR_RULE = ( $(AR) $(ARFLAGS) $(HB_USER_AFLAGS) rcs $(LIB_DIR)/$@ $(^F) $(ARSTRIP) ) || ( $(RM) $(LIB_DIR)/$@ && false )
 
 DY := $(CC)
-DFLAGS := -G $(HB_ISAOPT) $(LIBPATHS)
+DFLAGS += -G $(HB_ISAOPT) $(LIBPATHS)
 ifneq ($(HB_BUILD_OPTIM),no)
    DFLAGS += -fast -xnolibmopt
 endif
diff --git a/harbour/config/linux/watcom.mk b/harbour/config/linux/watcom.mk
index d3e319211e..3e532b3756 100644
--- a/harbour/config/linux/watcom.mk
+++ b/harbour/config/linux/watcom.mk
@@ -22,7 +22,9 @@ CC_IN :=
 CC_OUT := -fo=
 
 CFLAGS := -zq -bt=linux
+ARFLAGS :=
 LDFLAGS := OP quiet
+DFLAGS :=
 
 ifneq ($(HB_BUILD_WARN),no)
    CFLAGS += -w3
@@ -64,7 +66,7 @@ LDLIBS := $(HB_USER_LIBS)
 LDLIBS += $(foreach lib,$(LIBS),$(LIB_DIR)/$(lib))
 
 DY := $(LD)
-DFLAGS := OP quiet FORM elf dll LIBPATH $(WATCOM)/lib386 LIBPATH $(WATCOM)/lib386/linux OP exportall
+DFLAGS += OP quiet FORM elf dll LIBPATH $(WATCOM)/lib386 LIBPATH $(WATCOM)/lib386/linux OP exportall
 DY_OUT :=
 DLIBS :=
 
diff --git a/harbour/config/os2/gcc.mk b/harbour/config/os2/gcc.mk
index 6602319058..490fdcceec 100644
--- a/harbour/config/os2/gcc.mk
+++ b/harbour/config/os2/gcc.mk
@@ -21,7 +21,9 @@ CC_IN := -c
 CC_OUT := -o
 
 CFLAGS := -I. -I$(HB_INC_COMPILE)
+ARFLAGS :=
 LDFLAGS :=
+DFLAGS :=
 
 ifeq ($(HB_COMPILER),gccomf)
    CFLAGS += -Zomf
@@ -102,16 +104,14 @@ endif
 
 ifeq ($(HB_COMPILER),gccomf)
    AR := $(HB_CCPATH)$(HB_CCPREFIX)emxomfar
-   ARFLAGS :=
    AR_RULE = $(create_library) $(ARSTRIP)
 else
    AR := $(HB_CCPATH)$(HB_CCPREFIX)ar
-   ARFLAGS :=
    AR_RULE = $(create_library) $(ARSTRIP) & $(RM) __lib__.tmp
 endif
 
 DY := $(CC)
-DFLAGS := -shared $(LIBPATHS)
+DFLAGS += -shared $(LIBPATHS)
 ifeq ($(HB_COMPILER),gccomf)
    DFLAGS += -Zomf
 endif
diff --git a/harbour/config/os2/watcom.mk b/harbour/config/os2/watcom.mk
index 59c6adfd88..6c186e25e1 100644
--- a/harbour/config/os2/watcom.mk
+++ b/harbour/config/os2/watcom.mk
@@ -24,7 +24,9 @@ CC_IN :=
 CC_OUT := -fo=
 
 CFLAGS := -zq -bt=os2 -bm
+ARFLAGS :=
 LDFLAGS := OP quiet
+DFLAGS :=
 
 ifneq ($(HB_BUILD_WARN),no)
    CFLAGS += -w3
@@ -66,7 +68,7 @@ LDLIBS := $(HB_USER_LIBS)
 LDLIBS += $(foreach lib,$(LIBS),$(LIB_DIR)/$(lib))
 
 DY := $(LD)
-DFLAGS := OP quiet SYS os2v2_dll
+DFLAGS += OP quiet SYS os2v2_dll
 DY_OUT :=
 DLIBS := $(HB_USER_LIBS)
 DLIBS += $(foreach lib,$(LIBS),$(LIB_DIR)/$(lib))
diff --git a/harbour/config/sunos/gcc.mk b/harbour/config/sunos/gcc.mk
index d9aae0a2b7..4e6e168474 100644
--- a/harbour/config/sunos/gcc.mk
+++ b/harbour/config/sunos/gcc.mk
@@ -21,7 +21,9 @@ CC_IN := -c
 CC_OUT := -o$(subst x,x, )
 
 CFLAGS := -I. -I$(HB_INC_COMPILE)
+ARFLAGS :=
 LDFLAGS :=
+DFLAGS :=
 
 ifneq ($(HB_BUILD_WARN),no)
    CFLAGS += -Wall -W
@@ -44,11 +46,10 @@ LDLIBS := $(foreach lib,$(HB_USER_LIBS) $(LIBS) $(SYSLIBS),-l$(lib))
 LDFLAGS += $(LIBPATHS)
 
 AR := $(HB_CCPREFIX)ar
-ARFLAGS :=
 AR_RULE = ( $(AR) $(ARFLAGS) $(HB_USER_AFLAGS) rc $(LIB_DIR)/$@ $(^F) $(ARSTRIP) ) || ( $(RM) $(LIB_DIR)/$@ && false )
 
 DY := $(CC)
-DFLAGS := -shared $(LIBPATHS)
+DFLAGS += -shared $(LIBPATHS)
 DY_OUT := -o$(subst x,x, )
 DLIBS := $(foreach lib,$(HB_USER_LIBS) $(SYSLIBS),-l$(lib))
 
diff --git a/harbour/config/sunos/sunpro.mk b/harbour/config/sunos/sunpro.mk
index 4091d0f69e..9054ff1768 100644
--- a/harbour/config/sunos/sunpro.mk
+++ b/harbour/config/sunos/sunpro.mk
@@ -28,7 +28,9 @@ CC_OUT := -o$(subst x,x, )
 CXX := $(HB_CCACHE) $(HB_CCPATH)$(HB_CCPREFIX)sunCC$(HB_CCPOSTFIX)
 
 CFLAGS := -I. -I$(HB_INC_COMPILE)
+ARFLAGS :=
 LDFLAGS :=
+DFLAGS :=
 
 # try to keep `-fast' as left as possible, as later optim
 # flags may override values set by `-fast', and this way
@@ -67,11 +69,10 @@ LDLIBS := $(foreach lib,$(HB_USER_LIBS) $(LIBS) $(SYSLIBS),-l$(lib))
 LDFLAGS += $(LIBPATHS)
 
 AR := ar
-ARFLAGS :=
 AR_RULE = ( $(AR) $(ARFLAGS) $(HB_USER_AFLAGS) rc $(LIB_DIR)/$@ $(^F) $(ARSTRIP) ) || ( $(RM) $(LIB_DIR)/$@ && false )
 
 DY := $(CC)
-DFLAGS := -G $(HB_ISAOPT) $(LIBPATHS)
+DFLAGS += -G $(HB_ISAOPT) $(LIBPATHS)
 ifneq ($(HB_BUILD_OPTIM),no)
    DFLAGS += -fast -xnolibmopt
 endif
diff --git a/harbour/config/wce/mingwarm.mk b/harbour/config/wce/mingwarm.mk
index 0c9e0f9bf0..8135830dba 100644
--- a/harbour/config/wce/mingwarm.mk
+++ b/harbour/config/wce/mingwarm.mk
@@ -17,7 +17,9 @@ CC_IN := -c
 CC_OUT := -o
 
 CFLAGS := -I. -I$(HB_INC_COMPILE)
+ARFLAGS :=
 LDFLAGS :=
+DFLAGS :=
 
 ifneq ($(HB_BUILD_WARN),no)
    CFLAGS += -Wall -W
@@ -50,11 +52,10 @@ LDLIBS := $(foreach lib,$(HB_USER_LIBS) $(LIBS) $(SYSLIBS),-l$(lib))
 LDFLAGS += $(LIBPATHS)
 
 AR := $(HB_CCPATH)$(HB_CCPREFIX)ar
-ARFLAGS :=
 AR_RULE = ( $(AR) $(ARFLAGS) $(HB_USER_AFLAGS) rcs $(LIB_DIR)/$@ $(^F) $(ARSTRIP) ) || $(RM) $(subst /,$(DIRSEP),$(LIB_DIR)/$@)
 
 DY := $(CC)
-DFLAGS := -shared $(LIBPATHS)
+DFLAGS += -shared $(LIBPATHS)
 DY_OUT := $(LD_OUT)
 DLIBS := $(foreach lib,$(HB_USER_LIBS) $(LIBS) $(SYSLIBS),-l$(lib))
 
diff --git a/harbour/config/wce/msvcarm.mk b/harbour/config/wce/msvcarm.mk
index d950719f89..648ce01a69 100644
--- a/harbour/config/wce/msvcarm.mk
+++ b/harbour/config/wce/msvcarm.mk
@@ -18,6 +18,10 @@ CC_IN := -c
 CC_OUT := -Fo
 
 CFLAGS := -I. -I$(HB_INC_COMPILE)
+ARFLAGS :=
+LDFLAGS :=
+DFLAGS :=
+
 CFLAGS += -nologo -D_WIN32_WCE=0x501 -DCE_ARCH -DWINCE -D_WINCE -D_WINDOWS -D_UNICODE -D_UWIN -DUNDER_CE
 
 ifeq ($(HB_COMPILER),msvcarm)
@@ -30,8 +34,6 @@ else ifeq ($(HB_COMPILER),msvc)
    CFLAGS += -D_X86_ -D_M_IX86
 endif
 
-LDFLAGS :=
-
 ifeq ($(HB_BUILD_MODE),c)
    CFLAGS += -TC
 endif
@@ -58,6 +60,7 @@ endif
 ifeq ($(HB_BUILD_DEBUG),yes)
    CFLAGS += -Zi
    LDFLAGS += -debug
+   DFLAGS += -debug
 endif
 
 LD := $(CC)
@@ -75,11 +78,10 @@ endif
 LDFLAGS += $(LIBPATHS)
 
 AR := lib.exe
-ARFLAGS :=
 AR_RULE = $(AR) $(ARFLAGS) $(HB_USER_AFLAGS) -nologo -out:$(LIB_DIR)/$@ $(^F) || $(RM) $(LIB_DIR)/$@
 
 DY := $(LD)
-DFLAGS := -nologo -dll -subsystem:windowsce $(LIBPATHS)
+DFLAGS += -nologo -dll -subsystem:windowsce $(LIBPATHS)
 DY_OUT := $(LD_OUT)
 DLIBS := $(foreach lib,$(HB_USER_LIBS) $(LIBS) $(SYSLIBS),$(lib)$(LIB_EXT))
 
diff --git a/harbour/config/wce/poccarm.mk b/harbour/config/wce/poccarm.mk
index 1e5b334bb0..8a44c5c31a 100644
--- a/harbour/config/wce/poccarm.mk
+++ b/harbour/config/wce/poccarm.mk
@@ -15,7 +15,9 @@ CC_IN := -c
 CC_OUT := -Fo
 
 CFLAGS := -I. -I$(HB_INC_COMPILE) -Ze -Go
+ARFLAGS :=
 LDFLAGS :=
+DFLAGS :=
 
 ifneq ($(HB_BUILD_WARN),no)
    CFLAGS += -W1
@@ -47,11 +49,10 @@ LDFLAGS += -subsystem:windows
 LDFLAGS += $(LIBPATHS)
 
 AR := polib.exe
-ARFLAGS :=
 AR_RULE = $(AR) $(ARFLAGS) $(HB_USER_AFLAGS) -out:$(LIB_DIR)/$@ $(^F)
 
 DY := $(LD)
-DFLAGS := -nologo -dll $(LIBPATHS)
+DFLAGS += -nologo -dll $(LIBPATHS)
 DY_OUT := $(LD_OUT)
 DLIBS := $(foreach lib,$(HB_USER_LIBS) $(LIBS) $(SYSLIBS),$(lib)$(LIB_EXT))
 
diff --git a/harbour/config/win/bcc.mk b/harbour/config/win/bcc.mk
index e55dfd8492..991da7d2c7 100644
--- a/harbour/config/win/bcc.mk
+++ b/harbour/config/win/bcc.mk
@@ -15,6 +15,7 @@ CC_IN := -c
 CC_OUT := -o
 
 CFLAGS := -I. -I$(HB_INC_COMPILE) -q -tWM
+ARFLAGS :=
 LDFLAGS :=
 DFLAGS :=
 
@@ -54,7 +55,7 @@ LD_RULE = $(LD) $(LDFLAGS) $(HB_LDFLAGS) $(HB_USER_LDFLAGS) c0x32.obj $(^F), "$(
 LDLIBS := $(strip $(HB_USER_LIBS) $(LIBS) $(SYSLIBS))
 
 AR := tlib.exe
-ARFLAGS := /P128
+ARFLAGS += /P128
 AR_RULE = $(AR) $(ARFLAGS) $(HB_USER_AFLAGS) "$(subst /,\,$(LIB_DIR)/$@)" $(foreach file,$(?F),-+$(file))
 
 ifneq ($(HB_SHELL),sh)
diff --git a/harbour/config/win/cygwin.mk b/harbour/config/win/cygwin.mk
index a252a16505..c65fdd71cb 100644
--- a/harbour/config/win/cygwin.mk
+++ b/harbour/config/win/cygwin.mk
@@ -17,7 +17,9 @@ CC_IN := -c
 CC_OUT := -o
 
 CFLAGS := -I. -I$(HB_INC_COMPILE)
+ARFLAGS :=
 LDFLAGS :=
+DFLAGS :=
 
 ifneq ($(HB_BUILD_WARN),no)
    CFLAGS += -Wall -W
@@ -49,11 +51,10 @@ LDLIBS := $(foreach lib,$(HB_USER_LIBS) $(LIBS) $(SYSLIBS),-l$(lib))
 LDFLAGS += $(LIBPATHS)
 
 AR := $(HB_CCPATH)$(HB_CCPREFIX)ar
-ARFLAGS :=
 AR_RULE = ( $(AR) $(ARFLAGS) $(HB_USER_AFLAGS) rcs $(LIB_DIR)/$@ $(^F) $(ARSTRIP) ) || $(RM) $(LIB_DIR)/$@
 
 DY := $(CC)
-DFLAGS := -shared $(LIBPATHS)
+DFLAGS += -shared $(LIBPATHS)
 DY_OUT := $(LD_OUT)
 DLIBS := $(foreach lib,$(HB_USER_LIBS) $(LIBS) $(SYSLIBS),-l$(lib))
 
diff --git a/harbour/config/win/icc.mk b/harbour/config/win/icc.mk
index b7608ef466..5ea09e926a 100644
--- a/harbour/config/win/icc.mk
+++ b/harbour/config/win/icc.mk
@@ -16,7 +16,9 @@ CC_IN := -c
 CC_OUT := -Fo
 
 CFLAGS := -nologo -I. -I$(HB_INC_COMPILE) -Gs
+ARFLAGS :=
 LDFLAGS :=
+DFLAGS :=
 
 ifeq ($(HB_BUILD_MODE),c)
    CFLAGS += -TC
@@ -48,11 +50,10 @@ LDLIBS := $(foreach lib,$(HB_USER_LIBS) $(LIBS) $(SYSLIBS),$(lib)$(LIB_EXT))
 LDFLAGS += -nologo $(LIBPATHS)
 
 AR := xilib.exe
-ARFLAGS :=
 AR_RULE = $(AR) $(ARFLAGS) $(HB_USER_AFLAGS) -nologo -out:$(LIB_DIR)/$@ $(^F) || $(RM) $(LIB_DIR)/$@
 
 DY := $(LD)
-DFLAGS := -nologo -dll -subsystem:console $(LIBPATHS)
+DFLAGS += -nologo -dll -subsystem:console $(LIBPATHS)
 DY_OUT := $(LD_OUT)
 DLIBS := $(foreach lib,$(HB_USER_LIBS) $(LIBS) $(SYSLIBS),$(lib)$(LIB_EXT))
 
diff --git a/harbour/config/win/mingw.mk b/harbour/config/win/mingw.mk
index 196cc8ecfd..2ac59e5c0d 100644
--- a/harbour/config/win/mingw.mk
+++ b/harbour/config/win/mingw.mk
@@ -17,7 +17,9 @@ CC_IN := -c
 CC_OUT := -o
 
 CFLAGS := -I. -I$(HB_INC_COMPILE)
+ARFLAGS :=
 LDFLAGS :=
+DFLAGS :=
 
 ifneq ($(HB_BUILD_WARN),no)
    CFLAGS += -Wall -W
@@ -59,11 +61,10 @@ endif
 LDFLAGS += $(LIBPATHS)
 
 AR := $(HB_CCPATH)$(HB_CCPREFIX)ar
-ARFLAGS :=
 AR_RULE = ( $(AR) $(ARFLAGS) $(HB_USER_AFLAGS) rcs $(LIB_DIR)/$@ $(^F) $(ARSTRIP) ) || $(RM) $(subst /,$(DIRSEP),$(LIB_DIR)/$@)
 
 DY := $(CC)
-DFLAGS := -shared $(LIBPATHS)
+DFLAGS += -shared $(LIBPATHS)
 DY_OUT := $(LD_OUT)
 DLIBS := $(foreach lib,$(HB_USER_LIBS) $(LIBS) $(SYSLIBS),-l$(lib))
 
diff --git a/harbour/config/win/msvc.mk b/harbour/config/win/msvc.mk
index ee6c2d8557..035eadd3e3 100644
--- a/harbour/config/win/msvc.mk
+++ b/harbour/config/win/msvc.mk
@@ -21,7 +21,9 @@ CC_IN := -c
 CC_OUT := -Fo
 
 CFLAGS := -nologo -I. -I$(HB_INC_COMPILE) -Gs
+ARFLAGS :=
 LDFLAGS :=
+DFLAGS :=
 
 ifeq ($(HB_BUILD_MODE),c)
    CFLAGS += -TC
@@ -49,6 +51,7 @@ endif
 ifeq ($(HB_BUILD_DEBUG),yes)
    CFLAGS += -Zi
    LDFLAGS += -debug
+   DFLAGS += -debug
 endif
 
 ifneq ($(filter $(HB_COMPILER_VER),600 700 710),)
@@ -74,11 +77,10 @@ LDLIBS := $(foreach lib,$(HB_USER_LIBS) $(LIBS) $(SYSLIBS),$(lib)$(LIB_EXT))
 LDFLAGS += -nologo $(LIBPATHS)
 
 AR := lib.exe
-ARFLAGS :=
 AR_RULE = $(AR) $(ARFLAGS) $(HB_USER_AFLAGS) -nologo -out:$(LIB_DIR)/$@ $(^F) || $(RM) $(LIB_DIR)/$@
 
 DY := $(LD)
-DFLAGS := -nologo -dll -subsystem:console $(LIBPATHS)
+DFLAGS += -nologo -dll -subsystem:console $(LIBPATHS)
 DY_OUT := $(LD_OUT)
 DLIBS := $(foreach lib,$(HB_USER_LIBS) $(LIBS) $(SYSLIBS),$(lib)$(LIB_EXT))
 
diff --git a/harbour/config/win/pocc.mk b/harbour/config/win/pocc.mk
index 55f362eb7f..177fb38463 100644
--- a/harbour/config/win/pocc.mk
+++ b/harbour/config/win/pocc.mk
@@ -15,7 +15,9 @@ CC_IN := -c
 CC_OUT := -Fo
 
 CFLAGS := -I. -I$(HB_INC_COMPILE) -Ze -Go -MT
+ARFLAGS :=
 LDFLAGS :=
+DFLAGS :=
 
 ifneq ($(HB_BUILD_WARN),no)
    CFLAGS += -W1
@@ -42,11 +44,10 @@ LDFLAGS += -subsystem:console
 LDFLAGS += $(LIBPATHS)
 
 AR := polib.exe
-ARFLAGS :=
 AR_RULE = $(AR) $(ARFLAGS) $(HB_USER_AFLAGS) -out:$(LIB_DIR)/$@ $(^F)
 
 DY := $(LD)
-DFLAGS := -nologo -dll $(LIBPATHS)
+DFLAGS += -nologo -dll $(LIBPATHS)
 DY_OUT := $(LD_OUT)
 DLIBS := $(foreach lib,$(HB_USER_LIBS) $(LIBS) $(SYSLIBS),$(lib)$(LIB_EXT))
 
diff --git a/harbour/config/win/watcom.mk b/harbour/config/win/watcom.mk
index 48bf986217..6c43685d91 100644
--- a/harbour/config/win/watcom.mk
+++ b/harbour/config/win/watcom.mk
@@ -24,7 +24,9 @@ CC_IN :=
 CC_OUT := -fo=
 
 CFLAGS := -zq -bt=nt -bm
+ARFLAGS :=
 LDFLAGS := OP quiet
+DFLAGS :=
 
 ifneq ($(HB_BUILD_WARN),no)
    CFLAGS += -w3
@@ -67,7 +69,7 @@ LDLIBS += $(foreach lib,$(LIBS),$(LIB_DIR)/$(lib))
 LDLIBS += $(foreach lib,$(SYSLIBS),$(lib))
 
 DY := $(LD)
-DFLAGS := OP quiet SYS nt_dll
+DFLAGS += OP quiet SYS nt_dll
 DY_OUT :=
 DLIBS := $(foreach lib,$(HB_USER_LIBS),$(lib))
 DLIBS += $(foreach lib,$(LIBS),$(LIB_DIR)/$(lib))
diff --git a/harbour/config/win/xcc.mk b/harbour/config/win/xcc.mk
index 5ff014387e..76214ebd7e 100644
--- a/harbour/config/win/xcc.mk
+++ b/harbour/config/win/xcc.mk
@@ -20,8 +20,11 @@ ifeq ($(HB_SHELL),sh)
 else
    CFLAGS := $(subst /,\,$(CFLAGS))
 endif
-CFLAGS += -MT
+ARFLAGS :=
 LDFLAGS :=
+DFLAGS :=
+
+CFLAGS += -MT
 
 ifneq ($(HB_BUILD_WARN),no)
    CFLAGS += -W1
@@ -50,11 +53,10 @@ LDLIBS := $(foreach lib,$(HB_USER_LIBS) $(LIBS) $(SYSLIBS),$(lib)$(LIB_EXT))
 LDFLAGS += $(LIBPATHS)
 
 AR := xlib.exe
-ARFLAGS :=
 AR_RULE = $(AR) $(ARFLAGS) $(HB_USER_AFLAGS) -out:$(LIB_DIR)/$@ $(^F)
 
 DY := $(LD)
-DFLAGS := -nologo -dll $(LIBPATHS)
+DFLAGS += -nologo -dll $(LIBPATHS)
 DY_OUT := $(LD_OUT)
 DLIBS := $(foreach lib,$(HB_USER_LIBS) $(LIBS) $(SYSLIBS),$(lib)$(LIB_EXT))