#! /bin/bash

#    Copyright (C) 2007-2009  Ludovic Rousseau  <ludovic.rousseau@free.fr>
#
#    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 2 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., 51 Franklin Street, Fifth Floor, Boston, MA
#    02110-1301 USA.

# to use
# ./MacOSX/configure
# make
# make install
# the driver is installed in /usr/libexec/SmartCardServices/drivers

# Colors
RED="\033[31m"
NORMAL="\033[0m"

# run this script as ./MacOSX/configure to configure for Mac OS X
if [ ! -d MacOSX ]
then
	echo -e $RED
	echo "ERROR!"
	echo "run ./MacOSX/configure from the source top directory"
	echo -e $NORMAL
	exit;
fi

# find pcsc-lite header files in MacOSX/
# use ${varname:-word} to return word only if varname is not already defined
PCSC_CFLAGS=${PCSC_CFLAGS:--I$(pwd)/MacOSX}
PCSC_LIBS=${PCSC_LIBS:--framework PCSC}

# use libusb-1.0
LIBUSB_DIR=$(pkg-config --variable=libdir libusb-1.0)
LIBUSB_ARCHIVE="$LIBUSB_DIR"/libusb-1.0.a
LIBUSB_CFLAGS=$(pkg-config --cflags --static libusb-1.0)
LIBUSB_LIBS=$(pkg-config --libs --static libusb-1.0)

if ls "$LIBUSB_DIR"/*.dylib 2> /dev/null
then
	echo -en $RED
	echo "*****************************"
	echo "Dynamic library libusb found in $LIBUSB_DIR"
	echo "*****************************"
	echo -en $NORMAL
	echo "Rename it to force a static link"
	exit
fi

# RESPONSECODE is already defined by PCSC/wintypes.h
# define needed here to compile examples/scardcontrol.c since config.h is
# not included
CFLAGS="$CFLAGS -DRESPONSECODE_DEFINED_IN_WINTYPES_H"

# get the Mac OS X major version. Example: El Capitan 10.11 -> 10011
MAC_VERSION=$(sw_vers -productVersion | awk -F '.' '{print $1 * 1000 + $2}')

# check for Universal Binary only on macOS Mavericks 10.9 and earlier
if [ $MAC_VERSION -le 10009 ]
then
	# Build a Universal Binary?
	UB=$(file $LIBUSB_ARCHIVE | grep "Mach-O universal binary")
	echo $UB
	if [ -z "$UB" ]
	then
		echo -en $RED
		echo "*************************"
		echo "No Universal Binary build"
		echo "*************************"
		echo -en $NORMAL
	else
		echo "Universal Binary build"
		CFLAGS="$CFLAGS -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.8.sdk -arch i386 -arch x86_64"
	fi
	echo
fi

CONFIGURE_ARGS="--disable-dependency-tracking"

# Are we on a CryptoTokenKit system? (like Mac OS X 10.10 Yosemite)
if [ -d /System/Library/CryptoTokenKit ]
then
	# so we use syslog(3) to log errors
	CONFIGURE_ARGS="$CONFIGURE_ARGS --enable-syslog"
fi

# Check where to install the driver
if [ 10011 -gt $MAC_VERSION ]
then
	# Mac OS X < 10.11
	DROPDIR="/usr/libexec/SmartCardServices/drivers"
else
	# Mac OS X >= 10.11 (El Capitan)
	DROPDIR="/usr/local/libexec/SmartCardServices/drivers"
fi

# do not build a static driver
# (building fails when linking statically with libusb)
CONFIGURE_ARGS="$CONFIGURE_ARGS --disable-static"

# do not use pcscd debug feature
CONFIGURE_ARGS="$CONFIGURE_ARGS --disable-pcsclite"

# simulate a composite device as multi slots
CONFIGURE_ARGS="$CONFIGURE_ARGS --enable-composite-as-multislot"

# set BUNDLE_ID to a specific value for a specific driver
#BUNDLE_ID="vendor-reader"
if [ ! -z "$BUNDLE_ID" ]
then
	# do not build a class driver (not yet used by pcsc-lite on Mac OS X)
	CONFIGURE_ARGS="$CONFIGURE_ARGS --disable-class"

	# use a specific bundle name to NOT overwrite the official CCID driver
	CONFIGURE_ARGS="$CONFIGURE_ARGS --enable-bundle=ifd-ccid-$BUNDLE_ID.bundle"

	# differentiate each libccid library by the dynamic linker
	CONFIGURE_ARGS="$CONFIGURE_ARGS	--prefix=/fake/$BUNDLE_ID"
fi

set -x
./configure \
	CFLAGS="$CFLAGS" \
	PCSC_CFLAGS="$PCSC_CFLAGS" \
	PCSC_LIBS="$PCSC_LIBS" \
	LIBUSB_CFLAGS="$LIBUSB_CFLAGS" \
	LIBUSB_LIBS="$LIBUSB_LIBS" \
	LDFLAGS="$LDFLAGS" \
	--enable-usbdropdir="$DROPDIR" \
	$CONFIGURE_ARGS \
	"$@"

r=$?

# force a regeneration of Info.plist
rm -f src/Info.plist

# exit with the return code from ./configure
exit $r