ifndef SRC
SRC = src
endif

CFLAGS = -std=c99

include ${PETSC_DIR}/lib/petsc/conf/variables
include ${PETSC_DIR}/lib/petsc/conf/rules


OBJ = $(SRC)/main.o\
      $(SRC)/helper.o\
      $(SRC)/init.o\
      $(SRC)/basis.o\
      $(SRC)/gauss.o\
      $(SRC)/indices.o\
      $(SRC)/eval.o\
      $(SRC)/rhs.o\
      $(SRC)/visual.o\
      $(SRC)/matrix.o\
      $(SRC)/rhs.o


TEST_OBJ = tests/testing.o\
       tests/maxim.o\
     $(SRC)/init.o\
       $(SRC)/basis.o\
       $(SRC)/gauss.o\
       $(SRC)/indices.o\
       $(SRC)/eval.o\
       $(SRC)/rhs.o\
           $(SRC)/visual.o\
           $(SRC)/helper.o\

DOC_SRC =  tests/testing.o\
       tests/maxim.o\
           $(SRC)/init.o\
           $(SRC)/main.o\
           $(SRC)/gauss.o\
           $(SRC)/indices.o\
           $(SRC)/visual.o\
           $(SRC)/helper.o\

exec:  $(OBJ) chkopts
    -$(CLINKER) -o sim $(OBJ) $(PETSC_KSP_LIB)

all: exec test doc


test:  $(TEST_OBJ)
    $(CC) $(CFLAGS) -lcunit -o test_all $(TEST_OBJ) -lm -lcunit $(PETSC_KSP_LIB)


doc: CFLAGS += -DVERBOSITY=1 -Ofast
doc:    $(OBJ) $(TEST_OBJ)
    doxygen Doxyfile
    ln -s doc/html/index.html doc.html

%.d: %.c
    @set -e; rm -f $@
    $(CC) $(CFLAGS) -MT $*.o -MM $< > blabla.txt
    sed 's,\($*\)\.o[ :]*,\1.o $@ : ,g' < blabla.txt > $@
    rm -f blabla.txt

cleaning:
    rm $(OBJ) $(TEST_OBJ)

clean_doc:
    rm -r doc
    rm -r doc.html

clean_all: cleaning clean_doc

include $(OBJ:.o=.d)
include $(TEST_OBJ:.o=.d)