[Buildroot] [PATCH 1/2] toolchain/Config.in: update gcc version for gcc bug 68485

[Buildroot] [PATCH 1/2] toolchain/Config.in: update gcc version for gcc bug 68485

[Giulio Benetti]

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
---
 toolchain/Config.in | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/toolchain/Config.in b/toolchain/Config.in
index e6fabbfc74..6d12b6fed7 100644
--- a/toolchain/Config.in
+++ b/toolchain/Config.in
@@ -139,7 +139,7 @@ config BR2_TOOLCHAIN_HAS_GCC_BUG_64735
 		!BR2_TOOLCHAIN_GCC_AT_LEAST_7
 
 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68485. This bug still
-# exists in gcc 9.x
+# exists in gcc 11.x
 config BR2_TOOLCHAIN_HAS_GCC_BUG_68485
 	bool
 	default y if BR2_microblaze
-- 
2.34.1

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[Buildroot] [PATCH 2/2] package/mariadb: work around gcc bug 68485

[Giulio Benetti]

With Microblaze Gcc version <= 11.x the build fails due to gcc bug 68485:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68485. The bug show up when
building mariadb with optimization but not when building with -O0. To
work around this, if BR2_TOOLCHAIN_HAS_GCC_BUG_68458=y, we force using
-O0.

Fixes:
http://autobuild.buildroot.net/results/9b5/9b5dce4958b602c80140440addb1f072332e53c2/

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
---
 package/mariadb/mariadb.mk | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/package/mariadb/mariadb.mk b/package/mariadb/mariadb.mk
index 06fd1484b6..4c855985b1 100644
--- a/package/mariadb/mariadb.mk
+++ b/package/mariadb/mariadb.mk
@@ -82,6 +82,10 @@ ifeq ($(BR2_TOOLCHAIN_HAS_LIBATOMIC),y)
 MARIADB_CXXFLAGS += -latomic
 endif
 
+ifeq ($(BR2_TOOLCHAIN_HAS_GCC_BUG_68485),y)
+MARIADB_CXXFLAGS += -O0
+endif
+
 MARIADB_CONF_OPTS += \
 	-DCMAKE_CXX_FLAGS="$(MARIADB_CXXFLAGS)" \
 	-DINSTALL_DOCDIR=share/doc/mariadb-$(MARIADB_VERSION) \
-- 
2.34.1

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Re: [Buildroot] [PATCH 1/2] toolchain/Config.in: update gcc version for gcc bug 68485

[Thomas Petazzoni via buildroot]

On Fri, 29 Jul 2022 14:10:54 +0200
Giulio Benetti <giulio.benetti@benettiengineering.com> wrote:

>  # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68485. This bug still
> -# exists in gcc 9.x
> +# exists in gcc 11.x

What about the recently introduced gcc 12.x ? :-)

Thomas
-- 
Thomas Petazzoni, co-owner and CEO, Bootlin
Embedded Linux and Kernel engineering and training
https://bootlin.com
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Re: [Buildroot] [PATCH 1/2] toolchain/Config.in: update gcc version for gcc bug 68485

[Giulio Benetti]

On 29/07/22 14:12, Thomas Petazzoni via buildroot wrote:
> On Fri, 29 Jul 2022 14:10:54 +0200
> Giulio Benetti <giulio.benetti@benettiengineering.com> wrote:
> 
>>   # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68485. This bug still
>> -# exists in gcc 9.x
>> +# exists in gcc 11.x
> 
> What about the recently introduced gcc 12.x ? :-)

You're right, gcc 12.x is still affected, do you want me to re-send?

-- 
Giulio Benetti
Benetti Engineering sas
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Re: [Buildroot] [PATCH 1/2] toolchain/Config.in: update gcc version for gcc bug 68485

[Thomas Petazzoni via buildroot]

On Fri, 29 Jul 2022 14:29:53 +0200
Giulio Benetti <giulio.benetti@benettiengineering.com> wrote:

> On 29/07/22 14:12, Thomas Petazzoni via buildroot wrote:
> > On Fri, 29 Jul 2022 14:10:54 +0200
> > Giulio Benetti <giulio.benetti@benettiengineering.com> wrote:
> >   
> >>   # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68485. This bug still
> >> -# exists in gcc 9.x
> >> +# exists in gcc 11.x  
> > 
> > What about the recently introduced gcc 12.x ? :-)  
> 
> You're right, gcc 12.x is still affected, do you want me to re-send?

Not needed, will fix when applying. Thanks!


-- 
Thomas Petazzoni, co-owner and CEO, Bootlin
Embedded Linux and Kernel engineering and training
https://bootlin.com
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Re: [Buildroot] [PATCH 1/2] toolchain/Config.in: update gcc version for gcc bug 68485

[Giulio Benetti]

On 29/07/22 14:33, Thomas Petazzoni via buildroot wrote:
> On Fri, 29 Jul 2022 14:29:53 +0200
> Giulio Benetti <giulio.benetti@benettiengineering.com> wrote:
> 
>> On 29/07/22 14:12, Thomas Petazzoni via buildroot wrote:
>>> On Fri, 29 Jul 2022 14:10:54 +0200
>>> Giulio Benetti <giulio.benetti@benettiengineering.com> wrote:
>>>    
>>>>    # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68485. This bug still
>>>> -# exists in gcc 9.x
>>>> +# exists in gcc 11.x
>>>
>>> What about the recently introduced gcc 12.x ? :-)
>>
>> You're right, gcc 12.x is still affected, do you want me to re-send?
> 
> Not needed, will fix when applying. Thanks!

Perfect, thank you!

-- 
Giulio Benetti
Benetti Engineering sas
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Re: [Buildroot] [PATCH 1/2] toolchain/Config.in: update gcc version for gcc bug 68485

[Thomas Petazzoni via buildroot]

On Fri, 29 Jul 2022 14:10:54 +0200
Giulio Benetti <giulio.benetti@benettiengineering.com> wrote:

> Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
> ---
>  toolchain/Config.in | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Both applied, but mentioning gcc 12 instead of gcc 11. Thanks!

Thomas
-- 
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Embedded Linux and Kernel engineering
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Re: [Buildroot] [PATCH 2/2] package/mariadb: work around gcc bug 68485

[Peter Korsgaard]

>>>>> "Giulio" == Giulio Benetti <giulio.benetti@benettiengineering.com> writes:

 > With Microblaze Gcc version <= 11.x the build fails due to gcc bug 68485:
 > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68485. The bug show up when
 > building mariadb with optimization but not when building with -O0. To
 > work around this, if BR2_TOOLCHAIN_HAS_GCC_BUG_68458=y, we force using
 > -O0.

 > Fixes:
 > http://autobuild.buildroot.net/results/9b5/9b5dce4958b602c80140440addb1f072332e53c2/

 > Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>

Committed to 2022.05.x and 2022.02.x, thanks.

-- 
Bye, Peter Korsgaard
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