Hi Patrick,

Here the build error, I checked that the error does not occurs with gcc 12 revert. We are using Ubuntu 18.04 for our build nodes.

Thanks,

Selma.

src/drivers/bus/i2c/designware.c: In function 'i2c_set_bus_speed':

src/drivers/bus/i2c/designware.c:322:53: error: taking address of packed member of 'struct <anonymous>' may result in an unaligned pointer value [-Werror=address-of-packed-member]

  322 |                                MIN_HS_SCL_HIGHTIME, &regs->hs_scl_hcnt,

      |                                                     ^~~~~~~~~~~~~~~~~~

src/drivers/bus/i2c/designware.c:323:52: error: taking address of packed member of 'struct <anonymous>' may result in an unaligned pointer value [-Werror=address-of-packed-member]

  323 |                                MIN_HS_SCL_LOWTIME, &regs->hs_scl_lcnt);

      |                                                    ^~~~~~~~~~~~~~~~~~

src/drivers/bus/i2c/designware.c:326:53: error: taking address of packed member of 'struct <anonymous>' may result in an unaligned pointer value [-Werror=address-of-packed-member]

  326 |                                MIN_FS_SCL_HIGHTIME, &regs->fs_scl_hcnt,

      |                                                     ^~~~~~~~~~~~~~~~~~

src/drivers/bus/i2c/designware.c:327:52: error: taking address of packed member of 'struct <anonymous>' may result in an unaligned pointer value [-Werror=address-of-packed-member]

  327 |                                MIN_FS_SCL_LOWTIME, &regs->fs_scl_lcnt);

      |                                                    ^~~~~~~~~~~~~~~~~~

src/drivers/bus/i2c/designware.c:330:53: error: taking address of packed member of 'struct <anonymous>' may result in an unaligned pointer value [-Werror=address-of-packed-member]

  330 |                                MIN_SS_SCL_HIGHTIME, &regs->ss_scl_hcnt,

      |                                                     ^~~~~~~~~~~~~~~~~~

src/drivers/bus/i2c/designware.c:331:52: error: taking address of packed member of 'struct <anonymous>' may result in an unaligned pointer value [-Werror=address-of-packed-member]

  331 |                                MIN_SS_SCL_LOWTIME, &regs->ss_scl_lcnt);

      |                                                    ^~~~~~~~~~~~~~~~~~

src/drivers/bus/i2c/designware.c: In function 'i2c_bus_initialized':

src/drivers/bus/i2c/designware.c:365:44: error: taking address of packed member of 'struct <anonymous>' may result in an unaligned pointer value [-Werror=address-of-packed-member]

  365 |                 return i2c_speed_init_done(&regs->hs_scl_hcnt,

      |                                            ^~~~~~~~~~~~~~~~~~

src/drivers/bus/i2c/designware.c:366:49: error: taking address of packed member of 'struct <anonymous>' may result in an unaligned pointer value [-Werror=address-of-packed-member]

  366 |                                                 &regs->hs_scl_lcnt);

      |                                                 ^~~~~~~~~~~~~~~~~~

src/drivers/bus/i2c/designware.c:368:44: error: taking address of packed member of 'struct <anonymous>' may result in an unaligned pointer value [-Werror=address-of-packed-member]

  368 |                 return i2c_speed_init_done(&regs->fs_scl_hcnt,

      |                                            ^~~~~~~~~~~~~~~~~~

src/drivers/bus/i2c/designware.c:369:49: error: taking address of packed member of 'struct <anonymous>' may result in an unaligned pointer value [-Werror=address-of-packed-member]

  369 |                                                 &regs->fs_scl_lcnt);

      |                                                 ^~~~~~~~~~~~~~~~~~

src/drivers/bus/i2c/designware.c:371:36: error: taking address of packed member of 'struct <anonymous>' may result in an unaligned pointer value [-Werror=address-of-packed-member]

  371 |         return i2c_speed_init_done(&regs->ss_scl_hcnt,

      |                                    ^~~~~~~~~~~~~~~~~~

src/drivers/bus/i2c/designware.c:372:41: error: taking address of packed member of 'struct <anonymous>' may result in an unaligned pointer value [-Werror=address-of-packed-member]

  372 |                                         &regs->ss_scl_lcnt);

      |                                         ^~~~~~~~~~~~~~~~~~

cc1: all warnings being treated as errors

From: Patrick Georgi <pgeorgi@google.com>
Sent: Sunday, September 26, 2021 8:37 AM
To: Bensaid, Selma <selma.bensaid@intel.com>
Cc: coreboot@coreboot.org
Subject: Re: [coreboot] Build failure due to gcc update to 11.2

Hi Selma,

It might help to know what kind of build failures these are. Could you post them somewhere (e.g. ticket.coreboot.org) for discussion?

Regards,

Patrick

Am Sa., 25. Sept. 2021 um 02:22 Uhr schrieb Bensaid, Selma <selma.bensaid@intel.com>:

Hi,

We are facing build failure due to the https://review.coreboot.org/c/coreboot/+/54050 # util/crossgcc: Update gcc to 11.2

Does anyone else face the same issue?

Thanks,

Selma.

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