optimize Makefile and usage example (wip)

software/Makefile

@@ -2,7 +2,7 @@ GIT_VERSION := $(shell git --no-pager describe --tags --always)
 GIT_COMMIT  := $(shell git rev-parse --verify HEAD)
 GIT_DATE    := $(firstword $(shell git --no-pager show --date=iso-strict --format="%ad" --name-only))
 
-PREFIX = $(DESTDIR)/usr/local
+PREFIX = $(DESTDIR)/usr/local ODIR=obj
 
 CFLAGS = -Wall -Wextra -Werror -std=c99 -O3 -fPIC -I Keccak -I /usr/include/libftdi1 \
  -DGIT_VERSION=\"$(GIT_VERSION)\"\
@@ -10,26 +10,24 @@ CFLAGS = -Wall -Wextra -Werror -std=c99 -O3 -fPIC -I Keccak -I /usr/include/libf
  -DGIT_DATE=\"$(GIT_DATE)\"\
 
 LDFLAGS= -shared
+ODIR=obj
 
 FTDI := $(shell libftdi-config --libs)
 
-all: libinfnoise.a infnoise
+all: libinfnoise.a libinfnoise.so infnoise
 
-infnoise: infnoise.c infnoise.h libinfnoise.a infnoise.o daemon.o
+infnoise: libinfnoise.a infnoise.o daemon.o
 	$(CC) $(CFLAGS) -o infnoise infnoise.o daemon.o libinfnoise.a $(FTDI) -lm -lrt -L. -linfnoise
 
-infnoise.o: infnoise.c infnoise.h
-	$(CC) $(CFLAGS) -c infnoise.c
+%.o: %.c infnoise.h libinfnoise.h
+	$(CC) -c -o $@ $< $(CFLAGS)
 
-daemon.o: daemon.c
-	$(CC) $(CFLAGS) -c daemon.c
-
-writeentropy.o: writeentropy.c
-	$(CC) $(CFLAGS) -c writeentropy.c
+KeccakF-1600-reference.o: Keccak/KeccakF-1600-reference.c infnoise.h libinfnoise.h
+	$(CC) -c -o $@ $< $(CFLAGS)
 
 # static lib compiled into infnoise binary
-libinfnoise.o: libinfnoise.c libinfnoise.h libinfnoise_private.h healthcheck.c healthcheck.h Keccak/brg_endian.h Keccak/KeccakF-1600-reference.c
-	$(CC) $(CFLAGS) -c libinfnoise.c healthcheck.c
+libinfnoise.o: libinfnoise.c libinfnoise.h libinfnoise_private.h healthcheck.c
+	$(CC) $(CFLAGS) -c libinfnoise.c
 
 libinfnoise.a: libinfnoise.o healthcheck.o KeccakF-1600-reference.o writeentropy.o
 	ar rcs libinfnoise.a libinfnoise.o healthcheck.o KeccakF-1600-reference.o writeentropy.o
@@ -39,15 +37,16 @@ libinfnoise.a: libinfnoise.o healthcheck.o KeccakF-1600-reference.o writeentropy
 libinfnoise.so: libinfnoise.o healthcheck.o KeccakF-1600-reference.o writeentropy.o
 	$(CC) $(CFLAGS) -fvisibility=hidden -o libinfnoise.so libinfnoise.o healthcheck.o KeccakF-1600-reference.o writeentropy.o -Wl,--version-script=libinfnoise.version $(FTDI) -lm -shared 
 
-KeccakF-1600-reference.o: Keccak/brg_endian.h Keccak/KeccakF-1600-reference.c
-	$(CC) $(CFLAGS) -c Keccak/KeccakF-1600-reference.c -lm -lrt
-
 libs: libinfnoise.a
 
 clean:
 	$(RM) infnoise *.o *.a *.gch *.so libinfnoise-example
 
-install:
+install-lib: libinfnoise.so
+	install -d $(PREFIX)/lib
+	install -m 0755 libinfnoise.so $(PREFIX)/lib
+
+install: infnoise
 	install -d $(PREFIX)/sbin
 	install -m 0755 infnoise $(PREFIX)/sbin/
 	install -d $(PREFIX)/lib/udev/rules.d/

software/libinfnoise.c

@@ -359,7 +359,6 @@ int main() {
     // parameters for readData(..):
     bool rawOutput = true;
     uint32_t multiplier = 10u;
-    bool debug = false;
 
     // calculate output size based on the parameters:
     // when using the multiplier, we need a result array of 32*MULTIPLIER - otherwise 64(BUFLEN/8) bytes