PATCH: PR binutils/12283: bfd/doc doesn't support parallel build

[H.J. Lu]

On Thu, Dec 2, 2010 at 10:08 AM, Ralf Wildenhues <Ralf.Wildenhues@gmx.de> wrote:
> Hello H.J.,
>
> * H.J. Lu wrote on Thu, Dec 02, 2010 at 06:00:32PM CET:
>> Any objection to this patch?
>
> The rule to update $(MKDOC):
>
> $(MKDOC): $(srcdir)/chew.c
>        $(CC_FOR_BUILD) -o chew.$$$$ $(CFLAGS_FOR_BUILD) $(LDFLAGS_FOR_BUILD) \
>          $(H_CFLAGS) $(AM_CPPFLAGS) $(srcdir)/chew.c; \
>        $(SHELL) $(srcdir)/../../move-if-change chew.$$$$ $(MKDOC)
>
> should be atomic (the ';' should be '&&' though).  So, I would be

Failure is very random. There is a race condition. "make -j8" on a 16core
machine can start making $(MKDOC) at the same time. How can move-if-change
be 100% atomic?

> interested to see the last 100 or so lines of a failure happening,
> because I can't spot one nor reproduce it.  Also, configure flags.
>

-- 
H.J.