Re: obtaining configure args from config.status (was: Update rebuild rules in non-automake directories.)

[Ralf Wildenhues <Ralf.Wildenhues@gmx.de>]

Ping <http://sourceware.org/ml/gdb-patches/2009-08/msg00592.html>

* Ralf Wildenhues wrote on Mon, Aug 31, 2009 at 10:29:39PM CEST:
> OK to apply?

> Fix parallel check//% rule in gdb.
> 
> 2009-08-29  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
> 
> 	* gdb/Makefile.in (check//%): Parse 'config.status --version'
> 	output to recreate the configuration from the testsuite directory,
> 	rather than running 'config.status --recheck' from a different
> 	build directory.  Let configure do the recursion rather than
> 	doing it manually.
> 
> 
> diff --git a/gdb/Makefile.in b/gdb/Makefile.in
> index 90c285f..7bc02cd 100644
> --- a/gdb/Makefile.in
> +++ b/gdb/Makefile.in
> @@ -888,6 +888,7 @@ check: force
>  # a shell that expands alternations within braces.  If GNU make is not
>  # used, this rule will harmlessly fail to match.  Used FORCE_PARALLEL to
>  # prevent serialized checking due to the passed RUNTESTFLAGS.
> +# FIXME: use config.status --config not --version, when available.
>  check//%: force
>  	@if [ -f testsuite/config.status ]; then \
>  	  rootme=`pwd`; export rootme; \
> @@ -896,14 +897,14 @@ check//%: force
>  	  variant=`echo "$@" | sed 's,^[^/]*//,,'`; \
>  	  vardots=`echo "$$variant" | sed 's,/,.,g'`; \
>  	  testdir=testsuite.$$vardots; \
> -	  if [ ! -f $$testdir/Makefile ]; then \
> -	    (cd testsuite && find . -name config.status) | \
> -	    sed s,/config.status$$,, | sort | while read subdir; do \
> -	      $(SHELL) $(srcdir)/../mkinstalldirs $$testdir/$$subdir && \
> -	      (cd $$testdir/$$subdir && \
> -	       $(SHELL) $$rootme/testsuite/$$subdir/config.status \
> -		 --recheck && \
> -	       $(SHELL) ./config.status); done; \
> +	  if [ ! -f $$testdir/Makefile ] && [ -f testsuite/config.status ]; then \
> +	    configargs=`cd testsuite && ./config.status --version | \
> +	      sed -n -e 's,"$$,,' -e 's,^ *with options ",,p'`; \
> +	    $(SHELL) $(srcdir)/../mkinstalldirs $$testdir && \
> +	    (cd $$testdir && \
> +	     eval $(SHELL) "\"\$$rootsrc/testsuite/configure\" $$configargs" \
> +			   "\"--srcdir=\$$rootsrc/testsuite\"" \
> +	     ); \
>  	  else :; fi && cd $$testdir && \
>  	  $(MAKE) $(TARGET_FLAGS_TO_PASS) \
>  	    RUNTESTFLAGS="--target_board=$$variant $(RUNTESTFLAGS)" \