#
# Installers for tools required by the OpenPilot build system.
# Copyright (c) 2010-2013, The OpenPilot Team, http://www.openpilot.org
#
# NOTE: install targets are not tied to the default goals and must
# be invoked manually. But tool paths set by this file are used
# across the build system.
#
# Ready to use:
#    arm_sdk_install
#
# TODO:
#    wget_win_install
#    make_win_install
#    qt_sdk_install
#    openocd_install
#    ftd2xx_install
#    libusb_win_install
#    openocd_git_win_install
#    openocd_git_install
#    stm32flash_install
#    dfuutil_install
#    android_sdk_install
#    gtest_install
#
# TODO:
#    help in the top Makefile
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
# for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#

ifndef OPENPILOT_IS_COOL
    $(error $(notdir $(lastword $(MAKEFILE_LIST))) should be included by the top level Makefile)
endif

##############################
#
# Toolchain URLs and directories
#
##############################

ifeq ($(UNAME), Linux)
    ARM_SDK_URL := http://wiki.openpilot.org/download/attachments/18612236/gcc-arm-none-eabi-4_7-2013q1-20130313-linux.tar.bz2
else ifeq ($(UNAME), Darwin)
    ARM_SDK_URL := http://wiki.openpilot.org/download/attachments/18612236/gcc-arm-none-eabi-4_7-2013q1-20130313-mac.tar.bz2
else ifeq ($(UNAME), Windows)
    ARM_SDK_URL := http://wiki.openpilot.org/download/attachments/18612236/gcc-arm-none-eabi-4_7-2013q1-20130313-windows.tar.bz2
endif

ARM_SDK_DIR := $(TOOLS_DIR)/gcc-arm-none-eabi-4_7-2013q1

##############################
#
# All toolchains available for the platform
#
##############################

ALL_SDK_TARGETS := arm_sdk

.PHONY: all_sdk_install all_sdk_clean all_sdk_distclean all_sdk_version
all_sdk_install:   $(addsuffix _install,$(ALL_SDK_TARGETS))
all_sdk_clean:     $(addsuffix _clean,$(ALL_SDK_TARGETS))
all_sdk_distclean: $(addsuffix _distclean,$(ALL_SDK_TARGETS))
all_sdk_version:   $(addsuffix _version,$(ALL_SDK_TARGETS))

##############################
#
# Misc settings
#
##############################

# Define messages
MSG_DOWNLOADING      = $(QUOTE) DOWNLOAD   $(QUOTE)
MSG_EXTRACTING       = $(QUOTE) EXTRACT    $(QUOTE)
MSG_INSTALLING       = $(QUOTE) INSTALL    $(QUOTE)
MSG_CLEANING         = $(QUOTE) CLEAN      $(QUOTE)
MSG_DISTCLEANING     = $(QUOTE) DISTCLEAN  $(QUOTE)

# Verbosity level
ifeq ($(V), 1)
    CURL_OPTIONS :=
else
#   CURL_OPTIONS := --silent
endif

# MSYS tar workaround
ifeq ($(UNAME), Windows)
    TAR_OPTIONS := --force-local
else
    TAR_OPTIONS :=
endif

# Disable parallel make for sdk install targets to ensure ordered dependences
# like 'arm_sdk_clean | $(DL_DIR) $(TOOLS_DIR)'. They may fail otherwise being
# run in parallel
ifneq ($(strip $(filter $(addsuffix _install,all_sdk $(ALL_SDK_TARGETS)),$(MAKECMDGOALS))),)
.NOTPARALLEL:
    $(info $(EMPTY) NOTE        Parallel make disabled by some of sdk install targets)
    $(info $(EMPTY) NOTE        If some of install/extract targets failed, try 'make *_distclean' first)
    $(info $(EMPTY) NOTE        Use all_sdk_version to check toolchain versions)
endif

##############################
#
# ARM SDK
#
##############################

ARM_SDK_FILE := $(notdir $(ARM_SDK_URL))

.PHONY: arm_sdk_install
arm_sdk_install: arm_sdk_clean | $(DL_DIR) $(TOOLS_DIR)
	@$(ECHO) $(MSG_DOWNLOADING) $(call toprel, $(DL_DIR)/$(ARM_SDK_FILE))
	$(V1) $(CURL) $(CURL_OPTIONS) \
		$(if $(shell [ -f "$(DL_DIR)/$(ARM_SDK_FILE)" ] && $(ECHO) "exists"),-z "$(DL_DIR)/$(ARM_SDK_FILE)",) \
		-o "$(DL_DIR)/$(ARM_SDK_FILE)" \
		"$(ARM_SDK_URL)"
	@$(ECHO) $(MSG_EXTRACTING) $(call toprel, $(ARM_SDK_DIR))
	$(V1) $(TAR) $(TAR_OPTIONS) -C $(call toprel, $(TOOLS_DIR)) -xjf $(call toprel, $(DL_DIR)/$(ARM_SDK_FILE))

.PHONY: arm_sdk_clean
arm_sdk_clean:
	@$(ECHO) $(MSG_CLEANING) $(call toprel, $(ARM_SDK_DIR))
	$(V1) [ ! -d "$(ARM_SDK_DIR)" ] || $(RM) -r "$(ARM_SDK_DIR)"

.PHONY: arm_sdk_distclean
arm_sdk_distclean:
	@$(ECHO) $(MSG_DISTCLEANING) $(call toprel, $@)
	$(V1) [ ! -f "$(DL_DIR)/$(ARM_SDK_FILE)" ] || $(RM) "$(DL_DIR)/$(ARM_SDK_FILE)"

.PHONY: arm_sdk_version
arm_sdk_version:
	$(V1) $(ARM_SDK_PREFIX)gcc --version | head -n1

ifeq ($(shell [ -d "$(ARM_SDK_DIR)" ] && $(ECHO) "exists"), exists)
    export ARM_SDK_PREFIX := $(ARM_SDK_DIR)/bin/arm-none-eabi-
else
    # not installed, hope it's in the path...
    # $(info $(EMPTY) WARNING     $(call toprel, $(ARM_SDK_DIR)) not found (make arm_sdk_install), using system PATH)
    export ARM_SDK_PREFIX ?= arm-none-eabi-
endif

##############################
#
# TODO: code below is not revised yet
#
##############################

# Set up QT toolchain
QT_SDK_DIR := $(TOOLS_DIR)/qtsdk-v1.2.1

.PHONY: qt_sdk_install
# Choose the appropriate installer based on host architecture
ifneq (,$(filter $(ARCH), x86_64 amd64))
# 64-bit
QT_SDK_QMAKE_PATH := $(QT_SDK_DIR)/Desktop/Qt/4.8.1/gcc/bin/qmake
qt_sdk_install: QT_SDK_FILE := QtSdk-offline-linux-x86_64-v1.2.1.run
qt_sdk_install: QT_SDK_URL := http://www.developer.nokia.com/dp?uri=http://sw.nokia.com/id/14b2039c-0e1f-4774-a4f2-9aa60b6d5313/Qt_SDK_Lin64_offline
else
# 32-bit
QT_SDK_QMAKE_PATH := $(QT_SDK_DIR)/Desktop/Qt/4.8.1/gcc/bin/qmake
qt_sdk_install: QT_SDK_URL  := http://www.developer.nokia.com/dp?uri=http://sw.nokia.com/id/8ea74da4-fec1-4277-8b26-c58cc82e204b/Qt_SDK_Lin32_offline
qt_sdk_install: QT_SDK_FILE := QtSdk-offline-linux-x86-v1.2.1.run
endif
# order-only prereq on directory existance:
qt_sdk_install : | $(DL_DIR) $(TOOLS_DIR)
qt_sdk_install: qt_sdk_clean
        # download the source only if it's newer than what we already have
	$(V1) $(WGET) -N --content-disposition -P "$(DL_DIR)" "$(QT_SDK_URL)"
        # tell the user exactly which path they should select in the GUI
	$(V1) echo "*** NOTE NOTE NOTE ***"
	$(V1) echo "*"
	$(V1) echo "*  In the GUI, please use exactly this path as the installation path:"
	$(V1) echo "*        $(QT_SDK_DIR)"
	$(V1) echo "*"
	$(V1) echo "*** NOTE NOTE NOTE ***"

        #installer is an executable, make it executable and run it
	$(V1) chmod u+x "$(DL_DIR)/$(QT_SDK_FILE)"
	$(V1) "$(DL_DIR)/$(QT_SDK_FILE)" -style cleanlooks

.PHONY: qt_sdk_clean
qt_sdk_clean:
	$(V1) [ ! -d "$(QT_SDK_DIR)" ] || $(RM) -rf $(QT_SDK_DIR)


# Set up openocd tools
OPENOCD_DIR       := $(TOOLS_DIR)/openocd
OPENOCD_WIN_DIR   := $(TOOLS_DIR)/openocd_win
OPENOCD_BUILD_DIR := $(DL_DIR)/openocd-build

.PHONY: openocd_install
openocd_install: | $(DL_DIR) $(TOOLS_DIR)
openocd_install: OPENOCD_URL  := http://sourceforge.net/projects/openocd/files/openocd/0.6.1/openocd-0.6.1.tar.bz2/download
openocd_install: OPENOCD_FILE := openocd-0.6.1.tar.bz2
openocd_install: openocd_clean
        # download the source only if it's newer than what we already have
	$(V1) $(WGET) -N -P "$(DL_DIR)" --trust-server-name "$(OPENOCD_URL)"

        # extract the source
	$(V1) [ ! -d "$(OPENOCD_BUILD_DIR)" ] || $(RM) -r "$(OPENOCD_BUILD_DIR)"
	$(V1) mkdir -p "$(OPENOCD_BUILD_DIR)"
	$(V1) tar -C $(OPENOCD_BUILD_DIR) -xjf "$(DL_DIR)/$(OPENOCD_FILE)"

        # apply patches
	$(V0) @echo " PATCH        $(OPENOCD_DIR)"
	$(V1) ( \
	  cd $(OPENOCD_BUILD_DIR)/openocd-0.6.1 ; \
	  patch -p1 < $(ROOT_DIR)/flight/Project/OpenOCD/0001-armv7m-remove-dummy-FP-regs-for-new-gdb.patch ; \
	  patch -p1 < $(ROOT_DIR)/flight/Project/OpenOCD/0002-rtos-add-stm32_stlink-to-FreeRTOS-targets.patch ; \
	)

        # build and install
	$(V1) mkdir -p "$(OPENOCD_DIR)"
	$(V1) ( \
	  cd $(OPENOCD_BUILD_DIR)/openocd-0.6.1 ; \
	  ./configure --prefix="$(OPENOCD_DIR)" --enable-ft2232_libftdi --enable-stlink ; \
	  $(MAKE) --silent ; \
	  $(MAKE) --silent install ; \
	)

        # delete the extracted source when we're done
	$(V1) [ ! -d "$(OPENOCD_BUILD_DIR)" ] || $(RM) -rf "$(OPENOCD_BUILD_DIR)"

.PHONY: ftd2xx_install

FTD2XX_DIR := $(DL_DIR)/ftd2xx

ftd2xx_install: | $(DL_DIR)
ftd2xx_install: FTD2XX_URL  := http://www.ftdichip.com/Drivers/CDM/Beta/CDM20817.zip
ftd2xx_install: FTD2XX_FILE := CDM20817.zip
ftd2xx_install: ftd2xx_clean
        # download the file only if it's newer than what we already have
	$(V0) @echo " DOWNLOAD     $(FTD2XX_URL)"
	$(V1) $(WGET) -q -N -P "$(DL_DIR)" "$(FTD2XX_URL)"

        # extract the source
	$(V0) @echo " EXTRACT      $(FTD2XX_FILE) -> $(FTD2XX_DIR)"
	$(V1) mkdir -p "$(FTD2XX_DIR)"
	$(V1) unzip -q -d "$(FTD2XX_DIR)" "$(DL_DIR)/$(FTD2XX_FILE)"

.PHONY: ftd2xx_clean
ftd2xx_clean:
	$(V0) @echo " CLEAN        $(FTD2XX_DIR)"
	$(V1) [ ! -d "$(FTD2XX_DIR)" ] || $(RM) -r "$(FTD2XX_DIR)"

.PHONY: ftd2xx_install

LIBUSB_WIN_DIR := $(DL_DIR)/libusb-win32-bin-1.2.6.0

libusb_win_install: | $(DL_DIR)
libusb_win_install: LIBUSB_WIN_URL  := http://sourceforge.net/projects/libusb-win32/files/libusb-win32-releases/1.2.6.0/libusb-win32-bin-1.2.6.0.zip/download
libusb_win_install: LIBUSB_WIN_FILE := libusb-win32-bin-1.2.6.0.zip
libusb_win_install: libusb_win_clean
        # download the file only if it's newer than what we already have
	$(V0) @echo " DOWNLOAD     $(LIBUSB_WIN_URL)"
	$(V1) $(WGET) -q -N -P "$(DL_DIR)" --trust-server-name "$(LIBUSB_WIN_URL)"

        # extract the source
	$(V0) @echo " EXTRACT      $(LIBUSB_WIN_FILE) -> $(LIBUSB_WIN_DIR)"
	$(V1) mkdir -p "$(LIBUSB_WIN_DIR)"
	$(V1) unzip -q -d "$(DL_DIR)" "$(DL_DIR)/$(LIBUSB_WIN_FILE)"

        # fixup .h file needed by openocd build
	$(V0) @echo " FIXUP        $(LIBUSB_WIN_DIR)"
	$(V1) ln -s "$(LIBUSB_WIN_DIR)/include/lusb0_usb.h" "$(LIBUSB_WIN_DIR)/include/usb.h"

.PHONY: libusb_win_clean
libusb_win_clean:
	$(V0) @echo " CLEAN        $(LIBUSB_WIN_DIR)"
	$(V1) [ ! -d "$(LIBUSB_WIN_DIR)" ] || $(RM) -r "$(LIBUSB_WIN_DIR)"

.PHONY: openocd_git_win_install

openocd_git_win_install: | $(DL_DIR) $(TOOLS_DIR)
openocd_git_win_install: OPENOCD_URL  := git://openocd.git.sourceforge.net/gitroot/openocd/openocd
openocd_git_win_install: OPENOCD_REV  := f1c0133321c8fcadadd10bba5537c0a634eb183b
openocd_git_win_install: openocd_win_clean libusb_win_install ftd2xx_install
        # download the source
	$(V0) @echo " DOWNLOAD     $(OPENOCD_URL) @ $(OPENOCD_REV)"
	$(V1) [ ! -d "$(OPENOCD_BUILD_DIR)" ] || $(RM) -rf "$(OPENOCD_BUILD_DIR)"
	$(V1) mkdir -p "$(OPENOCD_BUILD_DIR)"
	$(V1) git clone --no-checkout $(OPENOCD_URL) "$(DL_DIR)/openocd-build"
	$(V1) ( \
	  cd $(OPENOCD_BUILD_DIR) ; \
	  git checkout -q $(OPENOCD_REV) ; \
	)

        # apply patches
	$(V0) @echo " PATCH        $(OPENOCD_BUILD_DIR)"
	$(V1) ( \
	  cd $(OPENOCD_BUILD_DIR) ; \
	  git apply < $(ROOT_DIR)/flight/Project/OpenOCD/0001-armv7m-remove-dummy-FP-regs-for-new-gdb.patch ; \
	  git apply < $(ROOT_DIR)/flight/Project/OpenOCD/0002-rtos-add-stm32_stlink-to-FreeRTOS-targets.patch ; \
	)

        # build and install
	$(V0) @echo " BUILD        $(OPENOCD_WIN_DIR)"
	$(V1) mkdir -p "$(OPENOCD_WIN_DIR)"
	$(V1) ( \
	  cd $(OPENOCD_BUILD_DIR) ; \
	  ./bootstrap ; \
	  ./configure --enable-maintainer-mode --prefix="$(OPENOCD_WIN_DIR)" \
		--build=i686-pc-linux-gnu --host=i586-mingw32msvc \
		CPPFLAGS=-I$(LIBUSB_WIN_DIR)/include \
		LDFLAGS=-L$(LIBUSB_WIN_DIR)/lib/gcc \
		--enable-ft2232_ftd2xx --with-ftd2xx-win32-zipdir=$(FTD2XX_DIR) \
		--disable-werror \
		--enable-stlink ; \
	  $(MAKE) ; \
	  $(MAKE) install ; \
	)

        # delete the extracted source when we're done
	$(V1) [ ! -d "$(OPENOCD_BUILD_DIR)" ] || $(RM) -rf "$(OPENOCD_BUILD_DIR)"

.PHONY: openocd_win_clean
openocd_win_clean:
	$(V0) @echo " CLEAN        $(OPENOCD_WIN_DIR)"
	$(V1) [ ! -d "$(OPENOCD_WIN_DIR)" ] || $(RM) -r "$(OPENOCD_WIN_DIR)"

.PHONY: openocd_git_install

openocd_git_install: | $(DL_DIR) $(TOOLS_DIR)
openocd_git_install: OPENOCD_URL  := git://openocd.git.sourceforge.net/gitroot/openocd/openocd
openocd_git_install: OPENOCD_REV  := f1c0133321c8fcadadd10bba5537c0a634eb183b
openocd_git_install: openocd_clean
        # download the source
	$(V0) @echo " DOWNLOAD     $(OPENOCD_URL) @ $(OPENOCD_REV)"
	$(V1) [ ! -d "$(OPENOCD_BUILD_DIR)" ] || $(RM) -rf "$(OPENOCD_BUILD_DIR)"
	$(V1) mkdir -p "$(OPENOCD_BUILD_DIR)"
	$(V1) git clone --no-checkout $(OPENOCD_URL) "$(OPENOCD_BUILD_DIR)"
	$(V1) ( \
	  cd $(OPENOCD_BUILD_DIR) ; \
	  git checkout -q $(OPENOCD_REV) ; \
	)

        # apply patches
	$(V0) @echo " PATCH        $(OPENOCD_DIR)"
	$(V1) ( \
	  cd $(OPENOCD_BUILD_DIR) ; \
	  git apply < $(ROOT_DIR)/flight/Project/OpenOCD/0001-armv7m-remove-dummy-FP-regs-for-new-gdb.patch ; \
	  git apply < $(ROOT_DIR)/flight/Project/OpenOCD/0002-rtos-add-stm32_stlink-to-FreeRTOS-targets.patch ; \
	)

        # build and install
	$(V0) @echo " BUILD        $(OPENOCD_DIR)"
	$(V1) mkdir -p "$(OPENOCD_DIR)"
	$(V1) ( \
	  cd $(OPENOCD_BUILD_DIR) ; \
	  ./bootstrap ; \
	  ./configure --enable-maintainer-mode --prefix="$(OPENOCD_DIR)" --enable-ft2232_libftdi --enable-buspirate --enable-stlink ; \
	  $(MAKE) ; \
	  $(MAKE) install ; \
	)

        # delete the extracted source when we're done
	$(V1) [ ! -d "$(OPENOCD_BUILD_DIR)" ] || $(RM) -rf "$(OPENOCD_BUILD_DIR)"

.PHONY: openocd_clean
openocd_clean:
	$(V0) @echo " CLEAN        $(OPENOCD_DIR)"
	$(V1) [ ! -d "$(OPENOCD_DIR)" ] || $(RM) -r "$(OPENOCD_DIR)"

STM32FLASH_DIR := $(TOOLS_DIR)/stm32flash

.PHONY: stm32flash_install
stm32flash_install: STM32FLASH_URL := http://stm32flash.googlecode.com/svn/trunk
stm32flash_install: STM32FLASH_REV := 61
stm32flash_install: stm32flash_clean
        # download the source
	$(V0) @echo " DOWNLOAD     $(STM32FLASH_URL) @ r$(STM32FLASH_REV)"
	$(V1) svn export -q -r "$(STM32FLASH_REV)" "$(STM32FLASH_URL)" "$(STM32FLASH_DIR)"

        # build
	$(V0) @echo " BUILD        $(STM32FLASH_DIR)"
	$(V1) $(MAKE) --silent -C $(STM32FLASH_DIR) all

.PHONY: stm32flash_clean
stm32flash_clean:
	$(V0) @echo " CLEAN        $(STM32FLASH_DIR)"
	$(V1) [ ! -d "$(STM32FLASH_DIR)" ] || $(RM) -r "$(STM32FLASH_DIR)"

DFUUTIL_DIR := $(TOOLS_DIR)/dfu-util

.PHONY: dfuutil_install
dfuutil_install: DFUUTIL_URL  := http://dfu-util.gnumonks.org/releases/dfu-util-0.7.tar.gz
dfuutil_install: DFUUTIL_FILE := $(notdir $(DFUUTIL_URL))
dfuutil_install: | $(DL_DIR) $(TOOLS_DIR)
dfuutil_install: dfuutil_clean
        # download the source
	$(V0) @echo " DOWNLOAD     $(DFUUTIL_URL)"
	$(V1) $(WGET) -N -P "$(DL_DIR)" "$(DFUUTIL_URL)"

        # extract the source
	$(V0) @echo " EXTRACT      $(DFUUTIL_FILE)"
	$(V1) [ ! -d "$(DL_DIR)/dfuutil-build" ] || $(RM) -r "$(DL_DIR)/dfuutil-build"
	$(V1) mkdir -p "$(DL_DIR)/dfuutil-build"
	$(V1) tar -C $(DL_DIR)/dfuutil-build -xf "$(DL_DIR)/$(DFUUTIL_FILE)"

        # build
	$(V0) @echo " BUILD        $(DFUUTIL_DIR)"
	$(V1) mkdir -p "$(DFUUTIL_DIR)"
	$(V1) ( \
	  cd $(DL_DIR)/dfuutil-build/dfu-util-0.7 ; \
	  ./configure --prefix="$(DFUUTIL_DIR)" ; \
	  $(MAKE) ; \
	  $(MAKE) install ; \
	)

.PHONY: dfuutil_clean
dfuutil_clean:
	$(V0) @echo " CLEAN        $(DFUUTIL_DIR)"
	$(V1) [ ! -d "$(DFUUTIL_DIR)" ] || $(RM) -r "$(DFUUTIL_DIR)"

# see http://developer.android.com/sdk/ for latest versions
ANDROID_SDK_DIR := $(TOOLS_DIR)/android-sdk-linux
.PHONY: android_sdk_install
android_sdk_install: ANDROID_SDK_URL  := http://dl.google.com/android/android-sdk_r20.0.3-linux.tgz
android_sdk_install: ANDROID_SDK_FILE := $(notdir $(ANDROID_SDK_URL))
# order-only prereq on directory existance:
android_sdk_install: | $(DL_DIR) $(TOOLS_DIR)
android_sdk_install: android_sdk_clean
        # download the source only if it's newer than what we already have
	$(V0) @echo " DOWNLOAD     $(ANDROID_SDK_URL)"
	$(V1) $(WGET) --no-check-certificate -N -P "$(DL_DIR)" "$(ANDROID_SDK_URL)"

        # binary only release so just extract it
	$(V0) @echo " EXTRACT      $(ANDROID_SDK_FILE)"
	$(V1) tar -C $(TOOLS_DIR) -xf "$(DL_DIR)/$(ANDROID_SDK_FILE)"

.PHONY: android_sdk_clean
android_sdk_clean:
	$(V0) @echo " CLEAN        $(ANDROID_SDK_DIR)"
	$(V1) [ ! -d "$(ANDROID_SDK_DIR)" ] || $(RM) -r $(ANDROID_SDK_DIR)

.PHONY: android_sdk_update
android_sdk_update:
	$(V0) @echo " UPDATE       $(ANDROID_SDK_DIR)"
	$(ANDROID_SDK_DIR)/tools/android update sdk --no-ui -t platform-tools,android-16,addon-google_apis-google-16

# Set up Google Test (gtest) tools
GTEST_DIR       := $(TOOLS_DIR)/gtest-1.6.0

.PHONY: gtest_install
gtest_install: | $(DL_DIR) $(TOOLS_DIR)
gtest_install: GTEST_URL  := http://googletest.googlecode.com/files/gtest-1.6.0.zip
gtest_install: GTEST_FILE := $(notdir $(GTEST_URL))
gtest_install: gtest_clean
        # download the file unconditionally since google code gives back 404
        # for HTTP HEAD requests which are used when using the wget -N option
	$(V1) [ ! -f "$(DL_DIR)/$(GTEST_FILE)" ] || $(RM) -f "$(DL_DIR)/$(GTEST_FILE)"
	$(V1) $(WGET) -P "$(DL_DIR)" --trust-server-name "$(GTEST_URL)"

        # extract the source
	$(V1) [ ! -d "$(GTEST_DIR)" ] || $(RM) -rf "$(GTEST_DIR)"
	$(V1) mkdir -p "$(GTEST_DIR)"
	$(V1) unzip -q -d "$(TOOLS_DIR)" "$(DL_DIR)/$(GTEST_FILE)"

.PHONY: gtest_clean
gtest_clean:
	$(V0) @echo " CLEAN        $(GTEST_DIR)"
	$(V1) [ ! -d "$(GTEST_DIR)" ] || $(RM) -rf "$(GTEST_DIR)"

##############################
#
# TODO: these defines will go to tool install sections
#
##############################

# Set up paths to tools
ifeq ($(shell [ -d "$(QT_SDK_DIR)" ] && $(ECHO) "exists"), exists)
    QMAKE := $(QT_SDK_QMAKE_PATH)
else
    # not installed, hope it's in the path...
    QMAKE ?= qmake
endif

ifeq ($(shell [ -d "$(OPENOCD_DIR)" ] && $(ECHO) "exists"), exists)
    export OPENOCD := $(OPENOCD_DIR)/bin/openocd
else
    # not installed, hope it's in the path...
    export OPENOCD ?= openocd
endif

ifeq ($(shell [ -d "$(ANDROID_SDK_DIR)" ] && $(ECHO) "exists"), exists)
    ANDROID    := $(ANDROID_SDK_DIR)/tools/android
    ANDROID_DX := $(ANDROID_SDK_DIR)/platform-tools/dx
else
    # not installed, hope it's in the path...
    ANDROID    ?= android
    ANDROID_DX ?= dx
endif