I made a mistake in my previous patch. I did not notice that
Makefile.in was a generated file. Update the patch.
2013-03-12 Jing Yu <jin...@google.com>
* Makefile.def (Target modules dependencies): Add new dependency.
* Makefile.in: Re-generate.
Index: Makefile.in
===================================================================
--- Makefile.in (revision 196604)
+++ Makefile.in (working copy)
@@ -44446,6 +44446,7 @@ all-target-libjava: maybe-all-target-boehm-gc
all-target-libjava: maybe-all-target-libffi
configure-target-libobjc: maybe-configure-target-boehm-gc
all-target-libobjc: maybe-all-target-boehm-gc
+configure-target-libmudflap: maybe-configure-target-libstdc++-v3
configure-target-libstdc++-v3: maybe-configure-target-libgomp
configure-stage1-target-libstdc++-v3: maybe-configure-stage1-target-libgomp
Index: Makefile.def
===================================================================
--- Makefile.def (revision 196604)
+++ Makefile.def (working copy)
@@ -504,6 +504,7 @@ dependencies = { module=all-target-libjava; on=all
dependencies = { module=all-target-libjava; on=all-target-libffi; };
dependencies = { module=configure-target-libobjc;
on=configure-target-boehm-gc; };
dependencies = { module=all-target-libobjc; on=all-target-boehm-gc; };
+dependencies = { module=configure-target-libmudflap;
on=configure-target-libstdc++-v3; };
dependencies = { module=configure-target-libstdc++-v3;
on=configure-target-libgomp; };
// parallel_list.o and parallel_settings.o depend on omp.h, which is
// generated by the libgomp configure. Unfortunately, due to the use of
On Mon, Mar 11, 2013 at 5:21 PM, Jing Yu <jin...@google.com> wrote:
> Don't know why the email body became attachment. Sent it again.
> The review link is https://codereview.appspot.com/7740043
>
> Hi Diego,
>
> The nightly build of gcc-4.7 based ppc64 and ppc32 crosstools have failed
> since
> the build server upgraded to gPrecise one week ago. Log shows a configuration
> fa
> ilure on libmudflap.
>
> checking for suffix of object files... /lib/cpp
> configure: error: in
> `/g/nightly/build/work/gcc-4.7.x-grtev3-powerpc32-8540/rpmbuild/BUILD/.../powerpc-grtev3-linux-gnu/libmudflap':
> configure: error: C++ preprocessor "/lib/cpp" fails sanity check
> See `config.log' for more details.
>
> There is no /lib/cpp on gprecise server, though it should not be used here.
>
> What happened was that libmudflap configure looks for a preprocessor
> by trying $CXX -E and then backing off to /lib/cpp. $CXX -E is
> failing with "unrecognized command line option
> ‘-funconfigured-libstdc++’", and the /lib/cpp backstop then fails
> also. The -funconfigured-libstdc++ is because configure can't find
> libstdc++/scripts/testsuite_flags. This is a so-far undiagnosed race
> in gcc make, masked where /lib/cpp is available. And that's absent
> because in this build, for whatever reason, libstdc++ loses a race
> with libmudflap.
>
> The theory is confirmed by:
> 1) if we force --job=1, build can succeed
> 2) If we apply the following patch to build-gcc/Makefile, build can
> succeed. After removing this dependency, build fails with the same
> error again.
>
> Is this patch ok for google/gcc-4_7?
>
> If the same issue exists on upstream trunk, how does the patch sound to trunk?
>
> Thanks,
> Jing
>
> 2013-03-11 Jing Yu <jin...@google.com>
>
> * Makefile.in: (maybe-configure-target-libmudflap):
> Add dependence on configure-target-libstdc++-v3.
>
> Index: Makefile.in
> ===================================================================
> --- Makefile.in (revision 196604)
> +++ Makefile.in (working copy)
> @@ -31879,6 +31879,9 @@ maybe-configure-target-libmudflap:
> @if gcc-bootstrap
> configure-target-libmudflap: stage_current
> @endif gcc-bootstrap
> +@if target-libstdc++-v3
> +configure-target-libmudflap: configure-target-libstdc++-v3
> +@endif target-libstdc++-v3
> @if target-libmudflap
> maybe-configure-target-libmudflap: configure-target-libmudflap
> configure-target-libmudflap:
