configure

#!/bin/bash
#
# VeriSilicon configure script
#

# Prevent locale nonsense from breaking basic text processing.
LC_ALL=C
export LC_ALL

# make sure we are running under a compatible shell
# try to make this part work with most shells

try_exec(){
    echo "Trying shell $1"
    type "$1" > /dev/null 2>&1 && exec "$@"
}

print_config(){
	echo "arch=$arch"
	echo "cross=$cross"
	echo "sysroot=$sysroot"
	echo "kernel=$kernel"
	echo "debug=$debug"
	echo "installpath=$installpath"
	echo "Create VPE build config file successfully!"
}

print_usage(){
	echo "VPE configure tool help menu:"
	echo "Toolchain:"
	echo "--arch=    target platform CPU arch, can be x86_64 or arm64. can be empty."
	echo "--cross=   prefix of the cross compiling tool, for example: aarch64-linux-gnu-. can be empty. if the toolchain bin files are not accessible directly, please set this value with full path."
	echo "--sysroot= the sysroot path of the target cross compiling system. can be empty."
	echo "--kernel=  kernel source code of the target system. it will be used to compiling VPE driver. for cross compiling, it's MUST."
	echo "Config:"
	echo "--debug    if compiling VPE in debug mode. if it's not set then release version will be built"
	echo "--installpath= the installation base path, default is /. For cross compiling, please set this to target root files system"
	echo "--help     show help menu"
}

debug=n
arch=`uname -m`
cross=
sysroot=
kernel=
installpath=

TEMP=`getopt -o a:c:s:dk:p:h, --long arch:,cross:,sysroot:,debug,kernel:,installpath:,help\
     -n ' ' -- "$@"`

if [ $? != 0 ] ; then echo "Terminating..." >&2 ; exit 1 ; fi

eval set -- "$TEMP"

while true ; do
	case "$1" in
	-a|--arch)       arch=$2 ; shift 2 ;;
	-c|--cross)     cross=$2 ; shift 2 ;;
	-s|--sysroot) sysroot=$2 ; shift 2 ;;
	-k|--kernel)   	kernel=$2 ; shift 2 ;;
	-d|--debug)      debug=y ; shift ;;
	-o|--installpath)  installpath=$2; shift 2;;
	-h|--help)   print_usage ; exit 1 ;;
	--) shift ; break ;;
	*) echo "Invalid parameters" ; print_usage ; exit 1 ;;
	esac
done

for arg do
        echo "Error! Opition \`$arg' is unknown" ;
        print_usage;
        exit 1 ;
done

if [ ! -z "$LD_LIBRARY_PATH" ]; then
    unset LD_LIBRARY_PATH
fi

iscross=n
host_arch=`uname -m`

if [[ "$arch" != "$host_arch" ]]; then
echo "Target arch is $arch, host arch is $host_arch, enable cross compiling"
iscross=y
fi

echo "export SDKTARGETSYSROOT=$sysroot" > config.mk
if [ "$kernel" != "" ]; then
echo "export KERN_DIR=$kernel" >> config.mk
fi
echo "export CROSS_COMPILE=$cross" >> config.mk
echo "export PKG_CONFIG_SYSROOT_DIR=$sysroot" >> config.mk
echo "export PKG_CONFIG_PATH=$sysroot/usr/lib/pkgconfig:$sysroot/usr/share/pkgconfig" >> config.mk

echo "export ARCH=$arch" >> config.mk
if [ "$arch" == "aarch64" ]; then
echo "export ENV=arm_linux_pci" >> config.mk
else
echo "export ENV=x86_linux_pci" >> config.mk
fi
echo "export DEBUG=$debug" >> config.mk
if [ "$installpath" != "" ]; then
echo "export installpath=$installpath" >> config.mk
fi
echo "export cross=$iscross" >> config.mk

if [ "$sysroot" != "" ]; then
echo "export CC=\"${cross}gcc  --sysroot=$sysroot\"" >> config.mk
echo "export CXX=\"${cross}g++  --sysroot=$sysroot\"" >> config.mk
echo "export CPP=\"${cross}gcc -E  --sysroot=$sysroot\"" >> config.mk
echo "export LD=\"${cross}ld  --sysroot=$sysroot\"" >> config.mk
else
echo "export CC=${cross}gcc" >> config.mk
echo "export CXX=${cross}g++" >> config.mk
echo "export CPP=${cross}gcc" >> config.mk
echo "export LD=${cross}ld" >> config.mk
fi
echo "export AS="${cross}as"" >> config.mk
echo "export GDB=${cross}gdb" >> config.mk
echo "export STRIP=${cross}strip" >> config.mk
echo "export RANLIB=${cross}ranlib" >> config.mk
echo "export OBJCOPY=${cross}objcopy" >> config.mk
echo "export OBJDUMP=${cross}objdump" >> config.mk
echo "export AR=\"${cross}ar rcs\"" >> config.mk
echo "export NM=${cross}nm" >> config.mk