* What is this check error?
@ 2010-04-16 11:22 H.J. Lu
2010-04-16 15:54 ` Dave Korn
0 siblings, 1 reply; 2+ messages in thread
From: H.J. Lu @ 2010-04-16 11:22 UTC (permalink / raw)
To: GCC Development
On Linux/x86-64, "make check" gave me
make[6]: *** No rule to make target `check-lto', needed by `check'.
Where does it come from?
--
H.J.
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: What is this check error?
2010-04-16 11:22 What is this check error? H.J. Lu
@ 2010-04-16 15:54 ` Dave Korn
0 siblings, 0 replies; 2+ messages in thread
From: Dave Korn @ 2010-04-16 15:54 UTC (permalink / raw)
To: H.J. Lu; +Cc: GCC Development
On 16/04/2010 05:47, H.J. Lu wrote:
> On Linux/x86-64, "make check" gave me
>
> make[6]: *** No rule to make target `check-lto', needed by `check'.
>
> Where does it come from?
I saw this too, but now you made me wonder. So:
check-lto is in CHECK_TARGETS because all languages are unconditionally
added to check_languages in configure.ac here:
> check_languages=
> for language in $all_selected_languages
> do
> check_languages="$check_languages check-$language"
> done
The check-% targets in Makefile.in are only matched for languages matching
lang_checks:
> # This is only used for check-% targets that aren't parallelized.
> $(filter-out $(lang_checks_parallelized),$(lang_checks)): check-% : site.exp
[ snip ]
> $(patsubst %,%-subtargets,$(filter-out $(lang_checks_parallelized),$(lang_checks))): check-%-subtargets:
and lang_checks is built up from contributions from each Make-lang.in:
> $ grep lang_checks */Ma*
> cp/Make-lang.in:lang_checks += check-g++
> cp/Make-lang.in:lang_checks_parallelized += check-g++
> fortran/Make-lang.in:lang_checks += check-gfortran
> fortran/Make-lang.in:lang_checks_parallelized += check-gfortran
> objc/Make-lang.in:lang_checks += check-objc
> objcp/Make-lang.in:lang_checks += check-obj-c++
Probably the simplest solution would be for lto/Make-lang.in to add a dummy
check-lto goal that does nothing, I think. The original error itself is harmless.
cheers,
DaveK
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