SHAPELY_URL=http://pypi.python.org/packages/source/S/Shapely/Shapely-1.0.14.tar.gz
LP_SOLVE_LIB_URL=http://downloads.sourceforge.net/project/lpsolve/lpsolve/5.5.0.15/lp_solve_5.5.0.15_source.tar.gz
LP_SOLVE_PYTHON_URL=http://downloads.sourceforge.net/project/lpsolve/lpsolve/5.5.0.15/lp_solve_5.5.0.15_Python_source.tar.gz


.PHONY : env-js

all: lp_solve shapely env-js


clean:
	rm -rf lp_solve
	rm -rf lp_solve_5.5
	rm -rf Shapely
	rm -f  *.tar.gz


shapely: ./Shapely/setup.py

# We just need to check for any Shapely file here. There
# is nothing special about setup.py.
./Shapely/setup.py:
	if [ ! -d Shapely ]; then  			\
		wget -O shapely.tar.gz $(SHAPELY_URL);  \
		tar -xvzf shapely.tar.gz;               \
		rm shapely.tar.gz;                      \
		mv Shapely* Shapely;	                \
	fi;


lp_solve: ./lp_solve/liblpsolve55.so ./lp_solve/lpsolve55.so


# Patch Makefile.Linux so that it doesn't pass the -l
# flag to flex. Double dollar signs are required to get
# a single '$' within a makefile.
LFLAGS_PATCH = sed -i 's/^LFLAGS = -L -l$$/LFLAGS = -L/'
./lp_solve/liblpsolve55.so:
	make lp_solve_lib_src
	if [ -f lp_solve_5.5/Makefile.Linux ]; then \
		$(LFLAGS_PATCH) lp_solve_5.5/Makefile.Linux;          \
		mv lp_solve_5.5/Makefile.Linux lp_solve_5.5/Makefile; \
	fi;
	make -C lp_solve_5.5
	mkdir -p lp_solve
	mv lp_solve_5.5/lpsolve55/liblpsolve55.so ./lp_solve


./lp_solve/lpsolve55.so:
	make ./lp_solve/liblpsolve55.so lp_solve_python_src
	cd lp_solve_5.5/extra/Python;                                 \
	sed -i 's~lpsolve55/bin/\(ux\|win\)32~../lp_solve~' setup.py; \
	python setup.py build;                                        \
	mv build/lib.linux-*/*.so ../../../lp_solve/;


lp_solve_lib_src:
	if [ ! -d lp_solve_5.5 ]; then                           \
		wget -O lp_solve.tar.gz $(LP_SOLVE_LIB_URL); \
		tar -xvzf lp_solve.tar.gz;                   \
		rm lp_solve.tar.gz;                          \
	fi;


lp_solve_python_src: lp_solve_lib_src
	if [ ! -d lp_solve_5.5/extra ]; then                           \
		wget -O lp_solve_python.tar.gz $(LP_SOLVE_PYTHON_URL); \
		tar -xvzf lp_solve_python.tar.gz;                      \
		rm lp_solve_python.tar.gz;                             \
	fi;


# A phony target, always run.
env-js:
	cd env-js && ant concat