Re: [Mingw-users] Building a static library - the correct way to go?

[Keith M. <kei...@to...>]

Damian Donnelly wrote:
> $ make
> ar rcs dataio.o filesize.o
> c:\mingw\bin\ar.exe: dataio.o: File format not recognized
> make: *** [ffpis_util.lib] Error 1
>
> This is the makefile that I'm using:
>
> [...]
> SOURCES=dataio.c filesize.c
> OBJECTS=$(SOURCES:.c=.o)
> LIBRARY=ffpis_util.lib
> [...]
>
> all: $(SOURCES) $(LIBRARY)
>
> $(LIBRARY): $(OBJECTS)
>                $(AR) $(ARFLAGS) $(OBJECTS)

You are missing the library name, in the $(AR) command line:
        $(AR) $(ARFLAGS) $@ $(OBJECTS)
                         ^^

(The error message you see, is because ar is trying to parse your
 first object file as a library, which of course, it isn't).

Regards,
Keith.