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#                    H E A D E R   I N F O R M A T I O N                     #
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# Project Name                   : OpenRISC Debug Proxy
# File Name                      : Makefile
# Prepared By                    : jb
# Project Start                  : 2008-10-01

#$$COPYRIGHT NOTICE#
#****************************************************************************#
#                                                                            #
#                      C O P Y R I G H T   N O T I C E                       #
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#  This library is free software; you can redistribute it and/or
#  modify it under the terms of the GNU Lesser General Public
#  License as published by the Free Software Foundation; 
#  version 2.1 of the License, a copy of which is available from
#  http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt.
#
#  This library 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
#  Lesser General Public License for more details.
#
#  You should have received a copy of the GNU Lesser General Public
#  License along with this library; if not, write to the Free Software
#  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301
#  USA.
#

#$$CHANGE HISTORY#
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#                         C H A N G E  H I S T O R Y                         #
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# Date          Version Description
#------------------------------------------------------------------------
# 090301        0.1.0   Makefile for OpenRISC debug proxy.             jb
#  2 Apr 09     0.1.1   Jeremy Bennett. Added static target

#DBGCPPFLAGS=-D DEBUG_GDB=1
#DBGCPPFLAGS=-D DEBUG_USB_DRVR_FUNCS=1
#DBGCPPFLAGS=-D DEBUG_USB_DRVR_FUNCS=1 -D DEBUG_GDB=1 -D DEBUG_CMDS=1


# Common Flags
COMMON_CPPFLAGS = -I./includes
COMMON_CXXFLAGS = -O2 -g
COMMON_LDFLAGS  = -Wall -g

# Flags for static library
STATIC_LIBDIR   = lib
STATIC_LIB      = libftd2xx.a.0.4.16
STATIC_LDFLAGS  = $(COMMON_LDFLAGS) $(STATIC_LIBDIR)/$(STATIC_LIB) \
                  -lpthread -ldl

#Determine whether we're on Cygwin
ifndef OSTYPE   
        # Basically we're interested in finding out if we're
        # in a cygwin environement, so let's find out this way
        # Note: Typically in a bash environment, $OSTYPE is set
        # but sometimes make can't figure it out. So we'll do it
        # this way:
        ifeq (CYGWIN, $(findstring CYGWIN, $(shell uname)))
                OSTYPE=cygwin
        endif
endif

ifeq ($(OSTYPE),cygwin)
        OR_DEBUG_PROXY_SRC = src/or_debug_proxy.c \
                             src/gdb.c \
                             src/usb_functions.c \
                             src/win_usb_driver_calls.c \
                             src/vpi_functions.c        
        CXX                = gcc
        CPPFLAGS           = $(COMMON_CPPFLAGS) -I./obj -DCYGWIN_COMPILE=1 $(DBGCPPFLAGS)
        CXXFLAGS           = $(COMMON_CXXFLAGS)
        DYNAMIC_LDFLAGS    = $(COMMON_LDFLAGS)
        EXE                = .exe
else
        OR_DEBUG_PROXY_SRC = src/or_debug_proxy.c \
                             src/gdb.c \
                             src/FT2232c.cpp \
                             src/FT2232cMpsseJtag.cpp \
                             src/usb_functions.c \
                             src/linux_usb_driver_calls.c \
                             src/vpi_functions.c
        CXX                = g++
        CPPFLAGS           = $(COMMON_CPPFLAGS) $(DBGCPPFLAGS)
        CXXFLAGS           = $(COMMON_CXXFLAGS)
        DYNAMIC_LDFLAGS    = $(COMMON_LDFLAGS) -lftd2xx
        EXE                =
endif

APP             = or_debug_proxy
APP_DYNAMIC = $(APP)$(EXE)
APP_STATIC  = $(APP)_static$(EXE)


# -----------------------------------------------------------------------------
# Build dynamic and static targets from scratch
.PHONY: all
all: clean $(APP_DYNAMIC)

static: clean $(APP_STATIC)

# Dynamic target
$(APP_DYNAMIC): $(OR_DEBUG_PROXY_SRC)
        $(CXX) $(CPPFLAGS) $(CXXFLAGS) $+ $(DYNAMIC_LDFLAGS) -o $@

# Static target
$(APP_STATIC): $(OR_DEBUG_PROXY_SRC) $(STATIC_LIBDIR)/$(STATIC_LIB)
        $(CXX) $(CPPFLAGS) $(CXXFLAGS) $+ $(STATIC_LDFLAGS) -o $@
        cp $(APP_STATIC) $(APP)

# -----------------------------------------------------------------------------
# Target for checking the static lib is in the place it should be
$(STATIC_LIBDIR)/$(STATIC_LIB):
        @echo
        @echo "The static library, $(STATIC_LIB), is missing."
        @echo "Please download the driver to build a statically linked version"
        @echo "of this app. For Linux, try:"
        @echo "\twget http://www.ftdichip.com/Drivers/D2XX/Linux/libftd2xx0.4.16.tar.gz"
        @echo "\ttar xzf libftd2xx0.4.16.tar.gz"
        @echo "\tcp libftd2xx0.4.16/static_lib/libftd2xx.a.0.4.16 lib"
        @echo
        @exit 1
# -----------------------------------------------------------------------------
# Tidy up
clean:
        $(RM) $(APP_DYNAMIC)
        $(RM) $(APP_STATIC)
        find ./ -name "*~" | xargs $(RM)