Makefile

EXE_dia=hello_dia.txt
SRC_dia= $(wildcard *.dia)
OBJ_dia= $(SRC_dia:.dia=_dia.pdf)

EXE_dot=hello_dot.txt
SRC_dot= $(wildcard *.dot)
OBJ_dot= $(SRC_dot:.dot=_dot.pdf)

all: dia graphviz web

dia: $(EXE_dia)
graphviz: $(EXE_dot)

$(EXE_dia): $(OBJ_dia)
        @date > $(EXE_dia)

%_dia.png: %.dia
        @echo "\t - $@"
        @dia -t png -O . $< -e $@

%_dia.pdf: %.dia
        @echo "\t - $@"
        @dia -t pdf -O . $< -e $@

$(EXE_dot): $(OBJ_dot)
        @date > $(EXE_dot)

%_dot.png: %.dot
        @echo "\t - $@"
        @dot -Tpng $< -o $@

%_dot.pdf: %.dot
        @echo "\t - $@"
        @dot -Tpdf $< -o $@