configure

#!/bin/sh
# This is a simple script written to try and satisfy the dependency for cmake.
# it is also used as a place holder for traditional build systems based on
# autoconf which have a ./configure file in the directory.
# This script is licensed under the GNU GPL (see COPYING.txt for details)

BUILDTYPE="RELEASE"

# Ran once a cmake configure is complete.
finished() {
	echo ""
	echo "======================"
	echo "Configuring complete!"
	echo "Now type \"cd build/\" and then type make or gmake"
	echo "depending on your platform. This will start the"
	echo "build process, once complete, run sudo make install"
	echo "and this will install to /opt/"
	echo "======================"
}

if command -v cmake >/dev/null 2>&1; then
	mkdir -p build/
	cd build/

	while true; do
		read -p "Which build type do you want to build for [Release/Debug/Demo]? " yn
		case $yn in
			*[Rr][Ee][Ll][Ee][Aa][Ss][Ee]* ) BUILDTYPE="RELEASE"; break;;
			*[Dd][Ee][Mm][Oo]* ) BUILDTYPE="DEMO"; break;;
			*[Dd][Ee][Bb][Uu][Gg]* ) BUILDTYPE="DEBUG"; break;;
			* ) echo "Auto-selected $BUILDTYPE release";;
		esac
	done

	echo "Building for $BUILDTYPE..."

	cmake -DCMAKE_BUILD_TYPE:STRING=$BUILDTYPE -DCMAKE_INSTALL_PREFIX:STRING="/opt/wolfsp" .. && finished
	exit 0
else
# Complicated mess to try and satisfy the cmake dependency, once we have cmake, the world will be a better place
	echo >&2 "CMake version 1.8 or better is required to compile!"

# check and see if we need sudo
	if command -v sudo >/dev/null 2>&1; then
		SUDO='sudo'
	else
		SUDO=''
	fi

	# Now do the awful detection of package managers!
	if command -v yum >/dev/null 2>&1; then
		while true; do
			read -p "Yum detected on this system, would you like me to install cmake via yum [y/n]? " yn
			case $yn in
				[Yy]* ) $SUDO yum install cmake; break;;
				[Nn]* ) exit;;
				* ) echo "Please answer yes or no.";;
			esac
		done
	else
		if command -v apt-get >/dev/null 2>&1; then
			while true; do
				read -p "apt-get detected on this system, would you like me to install cmake via apt-get [y/n]? " yn
				case $yn in
					[Yy]* ) $SUDO apt-get install cmake; break;;
					[Nn]* ) exit;;
					* ) echo "Please answer yes or no.";;
				esac
			done
		else
			if command -v pacman >/dev/null 2>&1; then
				while true; do
					read -p "pacman detected on this system, would you like me to install cmake via pacman [y/n]? " yn
					case $yn in
						[Yy]* ) $SUDO pacman -S cmake; break;;
						[Nn]* ) exit;;
						* ) echo "Please answer yes or no.";;
					esac
				done
			else
				if command -v pkg_add >/dev/null 2>&1; then
					while true; do
						read -p "pkg_add detected on this system, would you like me to install cmake via pkg [y/n]? " yn
						case $yn in
							[Yy]* ) $SUDO pkg_add -r cmake; break;;
							[Nn]* ) exit;;
							* ) echo "Please answer yes or no.";;
						esac
					done
				else
					echo "Could not find a suitable package manager!"
					echo "Please install or compile cmake and make sure it can be found via \$PATH"
					exit 1
				fi
			fi
		fi
	fi
fi

# Stupid fucking bash doesnt have a god damn goto statement and people seem to have their
# head in their ass about it, thanks asshats, now I have to make more shitty code for a simple
# script because you didn't like people making shitty code. Thanks.
if command -v cmake >/dev/null 2>&1; then
	mkdir -p build/
	cd build/
	cmake .. && finished
else
	echo "There seems to be an issue with the system and how CMake is installed!"
	echo "Please make sure CMake is installed and can be found via \$PATH then"
	echo "re-run ./configure"
fi