fix building to separate output dir (arg O=)

inspired by CyanogenMod/android_kernel_samsung_exynos5410@0d6f68f

drivers/gpu/arm/mali400/r4p0_rel0/Kbuild

@@ -37,17 +37,17 @@ ifeq ($(CONFIG_SOC_EXYNOS3470),y)
        TARGET_PLATFORM=exynos3470
 endif
 
-include $(src)/MALI_CONFIGURATION
+include $(srctree)/$(src)/MALI_CONFIGURATION
 MALI_PLATFORM = $(MALI_PLATFORM-$(TARGET_PLATFORM))
 EXTRA_DEFINES += -DMALI_FAKE_PLATFORM_DEVICE=1
-MALI_PLATFORM_FILES = $(subst $(src)/,,$(wildcard $(src)/platform/$(MALI_PLATFORM)/*.c))
+MALI_PLATFORM_FILES = $(subst $(srctree)/$(src)/,,$(wildcard $(srctree)/$(src)/platform/$(MALI_PLATFORM)/*.c))
 # End of MALI_SEC
 
 # For customer releases the Linux Device Drivers will be provided as ARM proprietary and GPL releases:
 # The ARM proprietary product will only include the license/proprietary directory
 # The GPL product will only include the license/gpl directory
-ifeq ($(wildcard $(src)/linux/license/gpl/*),)
-    ccflags-y += -I$(src)/linux/license/proprietary
+ifeq ($(wildcard $(srctree)/$(src)/linux/license/gpl/*),)
+    ccflags-y += -I$(srctree)/$(src)/linux/license/proprietary
     ifeq ($(CONFIG_MALI400_PROFILING),y)
         $(error Profiling is incompatible with non-GPL license)
     endif
@@ -59,7 +59,7 @@ ifeq ($(wildcard $(src)/linux/license/gpl/*),)
     endif
     $(error Linux Device integration is incompatible with non-GPL license)
 else
-    ccflags-y += -I$(src)/linux/license/gpl
+    ccflags-y += -I$(srctree)/$(src)/linux/license/gpl
 endif
 
 mali-y += \
@@ -137,7 +137,7 @@ mali-$(CONFIG_MALI400_PROFILING) += linux/mali_ukk_profiling.o
 mali-$(CONFIG_MALI400_PROFILING) += linux/mali_osk_profiling.o
 
 mali-$(CONFIG_MALI400_INTERNAL_PROFILING) += linux/mali_profiling_internal.o timestamp-$(TIMESTAMP)/mali_timestamp.o
-ccflags-$(CONFIG_MALI400_INTERNAL_PROFILING) += -I$(src)/timestamp-$(TIMESTAMP)
+ccflags-$(CONFIG_MALI400_INTERNAL_PROFILING) += -I$(srctree)/$(src)/timestamp-$(TIMESTAMP)
 
 mali-$(CONFIG_DMA_SHARED_BUFFER) += linux/mali_memory_dma_buf.o
 mali-$(CONFIG_SYNC) += linux/mali_sync.o
@@ -167,18 +167,18 @@ ifeq ($(MALI_UPPER_HALF_SCHEDULING),1)
 	ccflags-y += -DMALI_UPPER_HALF_SCHEDULING
 endif
 
-ccflags-$(CONFIG_MALI400_UMP) += -I$(src)/../../ump/include/ump
+ccflags-$(CONFIG_MALI400_UMP) += -I$(srctree)/$(src)/../../ump/include/ump
 ccflags-$(CONFIG_MALI400_DEBUG) += -DDEBUG
 
 # Use our defines when compiling
-ccflags-y += -I$(src) -I$(src)/include -I$(src)/common -I$(src)/linux -I$(src)/platform
+ccflags-y += -I$(srctree)/$(src) -I$(srctree)/$(src)/include -I$(srctree)/$(src)/common -I$(srctree)/$(src)/linux -I$(srctree)/$(src)/platform
 # MALI_SEC 
-ccflags-y += -I$(src)/../ump/include -I$(src)/include/linux/mali -I$(src)/platform/$(MALI_PLATFORM)
+ccflags-y += -I$(srctree)/$(src)/../ump/include -I$(srctree)/$(src)/include/linux/mali -I$(srctree)/$(src)/platform/$(MALI_PLATFORM)
 
 # Get subversion revision number, fall back to only ${MALI_RELEASE_NAME} if no svn info is available
-MALI_RELEASE_NAME=$(shell cat $(src)/.version 2> /dev/null)
+MALI_RELEASE_NAME=$(shell cat $(srctree)/$(src)/.version 2> /dev/null)
 
-SVN_INFO = (cd $(src); svn info 2>/dev/null)
+SVN_INFO = (cd $(srctree)/$(src); svn info 2>/dev/null)
 
 ifneq ($(shell $(SVN_INFO) 2>/dev/null),)
 # SVN detected
@@ -189,13 +189,13 @@ CHANGED_REVISION := $(shell $(SVN_INFO) | grep '^Last Changed Rev: ' | cut -d: -
 REPO_URL := $(shell $(SVN_INFO) | grep '^URL: ' | cut -d: -f2- | cut -b2-)
 
 else # SVN
-GIT_REV := $(shell cd $(src); git describe --always 2>/dev/null)
+GIT_REV := $(shell cd $(srctree)/$(src); git describe --always 2>/dev/null)
 ifneq ($(GIT_REV),)
 # Git detected
 DRIVER_REV := $(MALI_RELEASE_NAME)-$(GIT_REV)
-CHANGE_DATE := $(shell cd $(src); git log -1 --format="%ci")
+CHANGE_DATE := $(shell cd $(srctree)/$(src); git log -1 --format="%ci")
 CHANGED_REVISION := $(GIT_REV)
-REPO_URL := $(shell cd $(src); git describe --all --always 2>/dev/null)
+REPO_URL := $(shell cd $(srctree)/$(src); git describe --all --always 2>/dev/null)
 
 else # Git
 # No Git or SVN detected
@@ -208,7 +208,7 @@ endif
 ccflags-y += -DSVN_REV_STRING=\"$(DRIVER_REV)\"
 
 VERSION_STRINGS :=
-VERSION_STRINGS += API_VERSION=$(shell cd $(src); grep "\#define _MALI_API_VERSION" $(FILES_PREFIX)include/linux/mali/mali_utgard_uk_types.h | cut -d' ' -f 3 )
+VERSION_STRINGS += API_VERSION=$(shell cd $(srctree)/$(src); grep "\#define _MALI_API_VERSION" $(FILES_PREFIX)include/linux/mali/mali_utgard_uk_types.h | cut -d' ' -f 3 )
 VERSION_STRINGS += REPO_URL=$(REPO_URL)
 VERSION_STRINGS += REVISION=$(DRIVER_REV)
 VERSION_STRINGS += CHANGED_REVISION=$(CHANGED_REVISION)
@@ -231,5 +231,5 @@ VERSION_STRINGS += USING_POWER_PERFORMANCE_POLICY=$(CONFIG_POWER_PERFORMANCE_POL
 VERSION_STRINGS += MALI_UPPER_HALF_SCHEDULING=$(MALI_UPPER_HALF_SCHEDULING)
 
 # Create file with Mali driver configuration
-$(src)/__malidrv_build_info.c:
-	@echo 'const char *__malidrv_build_info(void) { return "malidrv: $(VERSION_STRINGS)";}' > $(src)/__malidrv_build_info.c
+$(srctree)/$(src)/__malidrv_build_info.c:
+	@echo 'const char *__malidrv_build_info(void) { return "malidrv: $(VERSION_STRINGS)";}' > $(srctree)/$(src)/__malidrv_build_info.c

drivers/gud/gud-exynos3470/Makefile

@@ -26,14 +26,14 @@ mcKernelApi-objs := MobiCoreKernelApi/main.o \
 obj-$(CONFIG_SECURE_OS_CONTROL) += sec-os-ctrl/		
 
 # Release mode by default
-ccflags-y := -DNDEBUG -include$(GUD_ROOT_FOLDER)/build_tag.h
+ccflags-y := -DNDEBUG 
+ccflags-y += -include$(srctree)/$(GUD_ROOT_FOLDER)/build_tag.h
 ccflags-y += -Wno-declaration-after-statement
 
 ccflags-$(CONFIG_MOBICORE_DEBUG) += -DDEBUG
 ccflags-$(CONFIG_MOBICORE_VERBOSE) += -DDEBUG_VERBOSE
 
 # Choose one platform from the folder
-MOBICORE_PLATFORM := $(shell (ls -1 $(GUD_ROOT_FOLDER)/MobiCoreDriver/platforms | tail -1) )
 ifeq ($(MOBICORE_PLATFORM), ARM_VE_A9X4_QEMU)
     ccflags-y += -DMC_NETLINK_COMPAT
 endif
@@ -50,10 +50,10 @@ ifeq ($(MOBICORE_PLATFORM), EXYNOS_5430_STD)
     ccflags-y += -DMC_NETLINK_COMPAT_V37
 endif
 
-# Use the available platform folder
-ccflags-y += -I$(GUD_ROOT_FOLDER)/MobiCoreDriver/platforms/$(MOBICORE_PLATFORM)
+# Include platform folder
+ccflags-y += -I$(GUD_ROOT_FOLDER)/MobiCoreDriver/platforms/EXYNOS_3470_STD
 # MobiCore Driver includes
 ccflags-y += -I$(GUD_ROOT_FOLDER)/MobiCoreDriver/public
 # MobiCore KernelApi required incldes
-ccflags-y += -I$(GUD_ROOT_FOLDER)/MobiCoreKernelApi/include \
-		-I$(GUD_ROOT_FOLDER)/MobiCoreKernelApi/public
+ccflags-y += -I$(GUD_ROOT_FOLDER)/MobiCoreKernelApi/include
+ccflags-y += -I$(GUD_ROOT_FOLDER)/MobiCoreKernelApi/public

firmware/Makefile

@@ -143,14 +143,14 @@ fw-shipped-$(CONFIG_YAM) += yam/1200.bin yam/9600.bin
 fw-shipped-$(CONFIG_KEYBOARD_CYPRESS_TOUCH) += cypress/cypress_hl.fw
 fw-shipped-$(CONFIG_EPEN_WACOM_G9PM) += epen/W9001_HL_EUR.bin
 
-TSPFIRMWARE_DIRECTORY = firmware/tsp_atmel
+TSPFIRMWARE_DIRECTORY = $(srctree)/firmware/tsp_atmel
 ifeq ($(shell test -d $(TSPFIRMWARE_DIRECTORY) && echo yes),yes)
 fw-shipped-$(CONFIG_TOUCHSCREEN_MXT540E) += tsp_atmel/mXT540E.fw
 else
 $(warning '$(TSPFIRMWARE_DIRECTORY)' directory dose not exist)
 endif
 
-TSPFIRMWARE_DIRECTORY_MEL_W = firmware/tsp_melfas/w
+TSPFIRMWARE_DIRECTORY_MEL_W = $(srctree)/firmware/tsp_melfas/w
 ifeq ($(shell test -d $(TSPFIRMWARE_DIRECTORY_MEL_W) && echo yes),yes)
 fw-shipped-$(CONFIG_TOUCHSCREEN_MELFAS_W) += tsp_melfas/w/CORE.fw
 fw-shipped-$(CONFIG_TOUCHSCREEN_MELFAS_W) += tsp_melfas/w/PRIV.fw
@@ -161,7 +161,7 @@ else
 $(warning '$(TSPFIRMWARE_DIRECTORY)' directory dose not exist)
 endif
 
-TSPFIRMWARE_DIRECTORY_MEL_NOTE = firmware/tsp_melfas/note
+TSPFIRMWARE_DIRECTORY_MEL_NOTE = $(srctree)/firmware/tsp_melfas/note
 ifeq ($(shell test -d $(TSPFIRMWARE_DIRECTORY_MEL_NOTE) && echo yes),yes)
 	fw-shipped-$(CONFIG_TOUCHSCREEN_MELFAS_NOTE) += tsp_melfas/note/melfas.fw
 	fw-shipped-$(CONFIG_TOUCHSCREEN_MELFAS_NOTE) += tsp_melfas/note/BOOT.fw
@@ -172,14 +172,14 @@ else
 	$(warning '$(TSPFIRMWARE_DIRECTORY)' directory dose not exist)
 endif
 
-TSPFIRMWARE_DIRECTORY = firmware/tsp_stm
+TSPFIRMWARE_DIRECTORY = $(srctree)/firmware/tsp_stm
 ifeq ($(shell test -d $(TSPFIRMWARE_DIRECTORY) && echo yes),yes)
 fw-shipped-$(CONFIG_TOUCHSCREEN_FTS) += tsp_stm/stm.fw
 else
 $(warning '$(TSPFIRMWARE_DIRECTORY)' directory dose not exist)
 endif
 
-TSPFIRMWARE_DIRECTORY = firmware/tsp_synaptics
+TSPFIRMWARE_DIRECTORY = $(srctree)/firmware/tsp_synaptics
 ifeq ($(shell test -d $(TSPFIRMWARE_DIRECTORY) && echo yes),yes)
 fw-shipped-$(CONFIG_TOUCHSCREEN_SYNAPTICS_I2C_RMI) += tsp_synaptics/synaptics_b0_h.fw \
 	tsp_synaptics/synaptics_b0_fac.fw