configure

#!/bin/bash
. ./BUILDDEFS

shopt -s extglob
shopt -s nullglob

if [ $# -eq 0 ]; then
	FILTER=@(release)
elif [ "$1" == all ]; then
	FILTER="*"
else
	FILTER="$1"
fi

if [ ! -e $BUILDDIR ]; then
	mkdir $BUILDDIR
fi

create_build_dir() {
	local dname=$1
	local btype=$2
	local desc=$3
	echo
	echo "=== build/$dname ($btype, $desc) ==="
	if [ ! -e $BUILDDIR/$dname ]; then
		mkdir $BUILDDIR/$dname
	fi
	if [ ! -e $BUILDDIR/$dname/test ]; then
		mkdir $BUILDDIR/$dname/test
	fi
	cp $SOURCEDIR/test/*.eel $BUILDDIR/$dname/test
	cp $SOURCEDIR/test/wc-input.txt $BUILDDIR/$dname/test
	cp $SOURCEDIR/test/*.json $BUILDDIR/$dname/test
	cp -r $SOURCEDIR/test/eelium $BUILDDIR/$dname/test/eelium
}

setup_header() {
	local dname=$1
	local desc=$2
	echo
	echo "=========================================================="
	echo "Setting up build dirs for ${dname} ($desc)"
	echo "=========================================================="
}

setup_footer() {
	echo
	echo "=========================================================="
	echo "Done!"
	echo "=========================================================="
	echo
}

setup_native() {
	local dname=$1
	local btype=$2
	local desc=$3
	local prefix=$4
	local opts="$5"
	setup_header $dname "$desc"
	create_build_dir $dname $btype "$desc"
	cd $BUILDDIR/$dname
	cmake $opts $SOURCEDIR -DCMAKE_INSTALL_PREFIX=$prefix -DCMAKE_BUILD_TYPE="$btype"
	cd $SOURCEDIR
	setup_footer
}

setup_cross() {
	local dname=$1
	local btype=$2
	local desc=$3
	local target=$4
	local opts="$5"
	setup_header $dname "$desc"
	if [ -e $MXEPATH ]; then
		if [ ! -e "$MXEPATH/usr/$target" ]; then
			echo "MXE target $target not available!"
			echo "Skipping target ${dname} ($desc)."
			echo
			return
		fi
		local cmk="$MXEPATH/usr/bin/$target-cmake"
		if [ ! -e "$cmk" ]; then
			echo "Could not find CMake for MXE target $target!"
			echo "Skipping target ${dname} ($desc)."
			echo
			return
		fi
		create_build_dir $dname $btype "$desc"
		cd $BUILDDIR/$dname
		"$cmk" $opts $SOURCEDIR -DCMAKE_BUILD_TYPE="$btype"
		cd $SOURCEDIR
		setup_footer
	else
		echo "MXE not found!"
		echo "Skipping target ${dname} ($desc)."
		echo
	fi
}

update_builtin_c() {
	# FIXME: This should probably be handled by CMake instead.
	echo
	cd $SOURCEDIR/src/core
	if [ -e builtin.c ]; then
		if [ builtin.c -nt builtin.eel ] ; then
			echo "(builtin.c already up to date.)"
			return
		fi
		rm builtin.c
	fi
	echo "=== Generating builtin.c from builtin.eel ==="
	eel strip builtin.eel -q
	if [ ! -e builtin.c ]; then
		echo "No EEL or strip tool? Trying sed..."
		sed -f text2c.sed builtin.eel > builtin.c
	fi
	if [ ! -e builtin.c ]; then
		echo "ERROR: Could not generate builtin.c!"
		cd $SOURCEDIR
		exit 1
	fi
	cd $SOURCEDIR
	echo "-- Done!"
}

update_builtin_c

if [[ "release" = ${FILTER} ]] ; then
	setup_native release Release "host native" /usr
fi

if [[ "static" = ${FILTER} ]] ; then
	setup_native static Release "host native static" /usr "-DBUILD_SHARED_LIBS=OFF"
fi

if [[ "static-noalsa" = ${FILTER} ]] ; then
	setup_native static-noalsa Release "host native static" /usr "-DBUILD_SHARED_LIBS=OFF -DUSE_ALSA=OFF"
fi

if [[ "maintainer" = ${FILTER} ]] ; then
	setup_native maintainer Maintainer "host native maintainer" /usr
fi

if [[ "debug" = ${FILTER} ]] ; then
	setup_native debug Debug "host native debug" /usr
fi

if [[ "mingw-release" = ${FILTER} ]] ; then
	setup_cross mingw-release Release "MXE cross 32 bit" i686-w64-mingw32.shared
fi

if [[ "mingw-debug" = ${FILTER} ]] ; then
	setup_cross mingw-debug Debug "MXE cross 32 bit debug" i686-w64-mingw32.shared
fi

if [[ "mingw-64-release" = ${FILTER} ]] ; then
	setup_cross mingw-64-release Release "MXE cross 64 bit" x86_64-w64-mingw32.shared
fi

if [[ "mingw-64-debug" = ${FILTER} ]] ; then
	setup_cross mingw-64-debug Debug "MXE cross 64 bit debug" x86_64-w64-mingw32.shared
fi

if [[ "mingw-release-static" = ${FILTER} ]] ; then
	setup_cross mingw-release-static Release "MXE cross 32 bit static" i686-w64-mingw32.static "-DBUILD_SHARED_LIBS=OFF"
fi

if [[ "mingw-debug-static" = ${FILTER} ]] ; then
	setup_cross mingw-debug-static Debug "MXE cross 32 bit debug static" i686-w64-mingw32.static "-DBUILD_SHARED_LIBS=OFF"
fi

if [[ "mingw-64-release-static" = ${FILTER} ]] ; then
	setup_cross mingw-64-release-static Release "MXE cross 64 bit static" x86_64-w64-mingw32.static "-DBUILD_SHARED_LIBS=OFF"
fi

if [[ "mingw-64-debug-static" = ${FILTER} ]] ; then
	setup_cross mingw-64-debug-static Debug "MXE cross 64 bit debug static" x86_64-w64-mingw32.static "-DBUILD_SHARED_LIBS=OFF"
fi