Makefile when dealing with file -> many files generators

Makefile

IDLGEN=rtiddsgen
IDLGEN_FLAGS=-d generated/ -language C -replace -I idl/
IDL=$(wildcard idl/*.idl)

CFLAGS=-std=c99 -Wall -Werror -DRTI_LINUX -DRTI_UNIX -I/usr/local/include/ndds

LDFLAGS=-L/usr/local/lib -lnddscored -lnddscd -lrt -ldl

SRCS=$(wildcard *.c)
IDL_SRCS=$(patsubst idl/%.idl,generated/%.c,${IDL})
IDL_EXTRA_SRCS=$(wildcard generated/*Support.c) $(wildcard generated/*Plugin.c)
IDL_OBJS=$(patsubst %.c,%.o,${IDL_SRCS}) $(patsubst %.c,%.o,${IDL_EXTRA_SRCS})
OBJS=logger.o 

all: logger

$(IDL_SRCS):$(IDL)
        $(IDLGEN) $(IDLGEN_FLAGS) $(patsubst generated/%.c,idl/%.idl,$@)
$(IDL_OBJS):$(IDL_SRCS)
        $(CC) $(CFLAGS) -c -o $@ $(patsubst %.o,%.c,$@)

.c:.o
        $(CC) $(CFLAGS) -c $<

logger: $(IDL_OBJS) $(OBJS)
        $(CC) $(OBJS) $(IDL_OBJS) -o logger $(LDFLAGS)

clean:
        rm -f *.o logger
clean-all: clean
        rm -f generated/*