Re: Understanding objc.test

[edward]

hi akim

link is defined because

.m.o:

causes a trigger in finish_languages

cheers

----- Original Message -----
From: <address@hidden>
To: <address@hidden>
Sent: Thursday, March 15, 2001 3:16 PM
Subject: Understanding objc.test


> I don't understand the test objc.test (which fails with one of the
> patches I work on).
>
>
>     # Test to make sure LINK defined for Objective C.
>     echo 'AC_SUBST(OBJC)' >> configure.in
>
>     cat > Makefile.am << 'END'
>     bin_PROGRAMS = foo
>     foo_SOURCES = foo.m
>
>     SUFFIXES = .m
>     .m.o:
>         whatever
>     END
>
>     $AUTOMAKE || exit 1
>
>     grep '^LINK' Makefile.in
>
>
> I don't understand why $(LINK) should be (and was) defined.
> automake.in says:
>
>     # `-pure' is `yes' or `no'.  A `pure' language is one where, if
>     # all the files in a directory are of that language, then we do
>     # not require the C compiler or any code to call it.
>
> and
>
> &register_language ('objc', 'linker=OBJCLINK', 'autodep=OBJC',
>     'flags=OBJCFLAGS',
>     'compile=$(OBJC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS)
$(AM_OBJCFLAGS) $(OBJCFLAGS)',
>     'compiler-name=OBJCCOMPILE',
>     'output-arg=-c -o $@',
>     'pure=yes',
>                     'm');
>
>
> so it seems to me that there are no reason for LINK to be defined
> here.  What is it that I missed?
>