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Editorial Team
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Asked: 2026-05-24T23:14:52+00:00

A cube.c is stored in the folder cube. makefile is as follows LDFLAGS=-lglut -lGLU

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A cube.c is stored in the folder cube. makefile is as follows

LDFLAGS=-lglut -lGLU

all: cube

Could anyone help me solve the following questions?

  • cube means cube.c? why does cube have no extension .c?

  • There is no command after the line all: cube, and LDFLAGES is not used. Why can it be written in this way?

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1 Answer

  1. Editorial Team

    cube means cube.c? why does cube have no extension .c?

    It’s the name of the resulting executable.

    There is no command after the line all: cube, and LDFLAGES is not
    used.

    LDFLAGS is used in implicit rules

    • n.o is made automatically from n.c with a recipe of the form $(CC) $(CPPFLAGS) $(CFLAGS) -c

    • n is made automatically from n.o by running the linker (usually
      called ld) via the C compiler. The precise recipe used is $(CC) $(LDFLAGS) n.o $(LOADLIBES) $(LDLIBS)

    See implicit rules.

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