diff --git a/Makefile b/Makefile
index fa711e2..6e14bdc 100644
--- a/Makefile
+++ b/Makefile
@@ -451,8 +451,10 @@
 
 include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk
 
-BUILD_BASE		:=	./build
-BUILD_PLAT		:=	${BUILD_BASE}/${PLAT}/${BUILD_TYPE}
+ifeq (${BUILD_BASE},)
+     BUILD_BASE		:=	./build
+endif
+BUILD_PLAT		:=	$(abspath ${BUILD_BASE})/${PLAT}/${BUILD_TYPE}
 
 SPDS			:=	$(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*))))
 
diff --git a/docs/getting_started/build-options.rst b/docs/getting_started/build-options.rst
index 630d861..153dc39 100644
--- a/docs/getting_started/build-options.rst
+++ b/docs/getting_started/build-options.rst
@@ -119,6 +119,8 @@
 -  ``BUILD_STRING``: Input string for VERSION_STRING, which allows the TF-A
    build to be uniquely identified. Defaults to the current git commit id.
 
+-  ``BUILD_BASE``: Output directory for the build. Defaults to ``./build``
+
 -  ``CFLAGS``: Extra user options appended on the compiler's command line in
    addition to the options set by the build system.
 
diff --git a/lib/romlib/Makefile b/lib/romlib/Makefile
index cec9404..2ff480b 100644
--- a/lib/romlib/Makefile
+++ b/lib/romlib/Makefile
@@ -10,14 +10,14 @@
 OC          = $(CROSS_COMPILE)objcopy
 CPP         = $(CROSS_COMPILE)cpp
 ROMLIB_GEN  = ./romlib_generator.py
-BUILD_DIR   = ../../$(BUILD_PLAT)/romlib
-LIB_DIR     = ../../$(BUILD_PLAT)/lib
-WRAPPER_DIR = ../../$(BUILD_PLAT)/libwrapper
+BUILD_DIR   = $(BUILD_PLAT)/romlib
+LIB_DIR     = $(BUILD_PLAT)/lib
+WRAPPER_DIR = $(BUILD_PLAT)/libwrapper
 LIBS        = -lmbedtls -lfdt -lc
 INC         = $(INCLUDES:-I%=-I../../%)
 PPFLAGS     = $(INC) $(DEFINES) -P -x assembler-with-cpp -D__LINKER__ -MD -MP -MT $(BUILD_DIR)/romlib.ld
 OBJS        = $(BUILD_DIR)/jmptbl.o $(BUILD_DIR)/init.o
-MAPFILE     = ../../$(BUILD_PLAT)/romlib/romlib.map
+MAPFILE     = $(BUILD_PLAT)/romlib/romlib.map
 
 ifneq ($(PLAT_DIR),)
   WRAPPER_SOURCES   = $(shell $(ROMLIB_GEN) genwrappers -b $(WRAPPER_DIR) --list ../../$(PLAT_DIR)/jmptbl.i)
diff --git a/plat/marvell/armada/a8k/common/ble/ble.mk b/plat/marvell/armada/a8k/common/ble/ble.mk
index 82ac098..60fbf5f 100644
--- a/plat/marvell/armada/a8k/common/ble/ble.mk
+++ b/plat/marvell/armada/a8k/common/ble/ble.mk
@@ -5,9 +5,9 @@
 
 MV_DDR_PATH		?=	drivers/marvell/mv_ddr
 
-MV_DDR_LIB		= 	$(CURDIR)/$(BUILD_PLAT)/ble/mv_ddr_lib.a
-LIBC_LIB		=	$(CURDIR)/$(BUILD_PLAT)/lib/libc.a
-BLE_LIBS		= 	$(MV_DDR_LIB) $(LIBC_LIB)
+MV_DDR_LIB		=	$(BUILD_PLAT)/ble/mv_ddr_lib.a
+LIBC_LIB		=	$(BUILD_PLAT)/lib/libc.a
+BLE_LIBS		=	$(MV_DDR_LIB) $(LIBC_LIB)
 PLAT_MARVELL		=	plat/marvell/armada
 
 BLE_SOURCES		+= 	$(BLE_PATH)/ble_main.c				\
@@ -29,4 +29,4 @@
 FORCE:
 
 $(MV_DDR_LIB): FORCE
-	@+make -C $(MV_DDR_PATH) --no-print-directory PLAT_INCLUDES="$(PLAT_INCLUDES)" PLATFORM=$(PLAT) ARCH=AARCH64 OBJ_DIR=$(CURDIR)/$(BUILD_PLAT)/ble
+	@+make -C $(MV_DDR_PATH) --no-print-directory PLAT_INCLUDES="$(PLAT_INCLUDES)" PLATFORM=$(PLAT) ARCH=AARCH64 OBJ_DIR=$(BUILD_PLAT)/ble
diff --git a/plat/nvidia/tegra/platform.mk b/plat/nvidia/tegra/platform.mk
index 3d61f06..a4724e6 100644
--- a/plat/nvidia/tegra/platform.mk
+++ b/plat/nvidia/tegra/platform.mk
@@ -62,7 +62,7 @@
 $(eval $(call add_define,RELOCATE_BL32_IMAGE))
 
 # modify BUILD_PLAT to point to SoC specific build directory
-BUILD_PLAT	:=	${BUILD_BASE}/${PLAT}/${TARGET_SOC}/${BUILD_TYPE}
+BUILD_PLAT	:=	$(abspath ${BUILD_BASE})/${PLAT}/${TARGET_SOC}/${BUILD_TYPE}
 
 # platform cflags (enable signed comparisons, disable stdlib)
 TF_CFLAGS	+= -Wsign-compare -nostdlib
diff --git a/plat/ti/k3/platform.mk b/plat/ti/k3/platform.mk
index 65d5cc2..2de21aa 100644
--- a/plat/ti/k3/platform.mk
+++ b/plat/ti/k3/platform.mk
@@ -11,4 +11,4 @@
 include ${PLAT_PATH}/board/${TARGET_BOARD}/board.mk
 
 # modify BUILD_PLAT to point to board specific build directory
-BUILD_PLAT := ${BUILD_BASE}/${PLAT}/${TARGET_BOARD}/${BUILD_TYPE}
+BUILD_PLAT := $(abspath ${BUILD_BASE})/${PLAT}/${TARGET_BOARD}/${BUILD_TYPE}
diff --git a/tools/sptool/sp_mk_generator.py b/tools/sptool/sp_mk_generator.py
index f2387f6..2153a56 100755
--- a/tools/sptool/sp_mk_generator.py
+++ b/tools/sptool/sp_mk_generator.py
@@ -55,8 +55,8 @@
     data = json.load(in_file)
 json_file = os.path.abspath(sys.argv[2])
 json_dir = os.path.dirname(json_file)
-gen_file = sys.argv[1]
-out_dir = sys.argv[3][2:]
+gen_file = os.path.abspath(sys.argv[1])
+out_dir = os.path.abspath(sys.argv[3])
 dtb_dir = out_dir + "/fdts/"
 print(dtb_dir)