unix - reconfiguring a Makefile -


i'm little new , trying build rather large project. in particular, source code executing lines

gcc -wall -w   -c -o setitimer-helper.o setitimer-helper.c gcc -lm  setitimer-helper.o   -o setitimer-helper

this creates linker error because according c: undefined reference floor -lm must come after object files.

i need know in source code can find , rearrange this. think it's in here, i'm unfamiliar unix. 

cc = gcc cflags = -wall -w ldflags = -lm  all: setitimer-helper squish-pty squish-unix  %.o: %.c     $(cc) -c $< -o $@  %: %.c     $(cc) $(cflags) $< $(ldflags) -o $@  clean:     rm -f *.o setitimer-helper squish-pty squish-unix

am correct? if so, how can fix this. if not, should look?

thanks.

change rule build binary put $(ldflags) @ end.

%: %.c     $(cc) $(cflags) $< -o $@ $(ldflags)

when executed gcc command should like.

gcc -wall -w setitimer-helper.c -o setitimer-helper -lm

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