#!/bin/bash


export BUILD_HOME=$(pwd)
export INSTALLED=${BUILD_HOME}/installed/dos
export DJGPP=${BUILD_HOME}/djgpp


function buildWithDJGPPEnvironment() {
	source ${DJGPP}/setenv

	pushd zlib-1.2.12
	make clean
	./configure --prefix=${INSTALLED}
	make
	make install
	popd

	pushd libpng-1.6.37
	make clean
	cp scripts/makefile.dj2 .
	sed -i "s#\-I\.\./zlib#\-I${INSTALLED}/include \-DPNG_NO_CONSOLE_IO#g" makefile.dj2
	sed -i "s#\-L\.\./zlib/#\-L${INSTALLED}/lib#g" makefile.dj2
	make -f makefile.dj2 libpng.a
	cp -f *.a ${INSTALLED}/lib/.
	cp -f *.h ${INSTALLED}/include/.
	popd

	pushd jpeg-6b
	make -i -f makefile.dj clean
	make -i -f makefile.dj
	cp -f *.a ${INSTALLED}/lib/.
	cp -f *.h ${INSTALLED}/include/.
	popd
}


function buildWithDJGPPPath() {

	PATH=${DJGPP}/bin:$PATH

	pushd freetype-2.12.1
	ZLIB_CFLAGS="-I${INSTALLED}/include" \
	ZLIB_LIBS="-L${INSTALLED}/lib -lz" \
	LIBPNG_CFLAGS="-I${INSTALLED}/include" \
	LIBPNG_LIBS="-L${INSTALLED}/lib -lpng" \
	CFLAGS="-Doff_t=long" \
	./configure \
		--prefix=${INSTALLED} \
		--build=x86_64-linux-gnu \
		--host=i586-pc-msdosdjgpp
	make
	make install
	popd
}


mkdir -p installed/dos

#( buildWithDJGPPEnvironment )
#( buildWithDJGPPPath )

pushd microwindows/src
sed -i 's/rasterops.o.*/rasterops.o osdep.o/g' contrib/makefile_nr/Makefile-drivers 
sed -i 's#sys\\farptr.h#sys/farptr.h#g' drivers/djvesa.h
cp -f ${BUILD_HOME}/Makefile.dos .
make -f Makefile.dos ARCH=CROSSDOS \
	TOOLS=${DJGPP}/bin/i586-pc-msdosdjgpp- \
	INCLUDE_FLAGS="-I${INSTALLED}/include -I${INSTALLED}/include/freetype2 -I${BUILD_HOME}/microwindows/src/nx11/X11-local" \
	LIBRARY_FLAGS="-L${INSTALLED}/lib"
#cp -f lib/*.a ${INSTALLED}/lib/.
#cp -f include/*.h ${INSTALLED}/include/.
popd