[phosphor-ipmi-host] static assertion be raised in aarch64 build

Wed Jun 8 18:41:00 AEST 2022

Dear All,

We have fixed this compile error of ipmid after we change boost version from v1.79.0 to v1.78.0.
(Using openbmc/poky/meta/recipes-support/boost/boost_1.78.0.bb instead of boost_1.79.0.bb)

Previous boost v1.78.0 without this compile error in ipmid no matter arm or aarch64 platform.
But, the latest boost v1.79.0 meet this compile error in ipmid only aarch64 platform when we upgrade newer openbmc.
Currently, we try to diff between v1.78.0 and v1.79.0 of boost. If there is any finding, we will update it.

If you have some suggestions or opinions, welcome provide it. Thanks in advance.

Best regards,
Tim
From: CS20 CHLi30 <CHLI30 at nuvoton.com>
Sent: Thursday, June 2, 2022 6:11 PM
To: openbmc at lists.ozlabs.org; CS20 CHLi30 <CHLI30 at nuvoton.com>; Tim Lee <timlee660101 at gmail.com>
Subject: [phosphor-ipmi-host] static assertion be raised in aarch64 build

Hi All,
Is anyone meet this kind of static_assert() be raised in "pack.hpp" and "unpack.hpp"?

We meet one compile error in "aarch64" platform with the newer commit (5d38067).
However, the same commit without this compile error in "arm" platform.
I try to diff "arm" and "aarch64" compile options,
Unfortunately, didn't find any clues to fix this build error in aarch64 platform.

Error message of log.do_compile:
error: static assertion failed: Attempt to pack a type that has no IPMI unpack operation
error: static assertion failed: Attempt to unpack a type that has no IPMI unpack operation
....
cc1plus: all warnings being treated as errors
Makefile:1344: recipe for target 'libipmi20_la-sensorhandler.lo' failed
make[2]: Leaving directory '/home/tim/npcm-master/openbmc/build/evb-npcm845/tmp/work/cortexa35-openbmc-linux/phosphor-ipmi-host/1.0+gitAUTOINC+5d38067181-r1/build'
Makefile:1599: recipe for target 'all-recursive' failed
make[2]: *** [libipmi20_la-sensorhandler.lo] Error 1
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory '/home/tim/npcm-master/openbmc/build/evb-npcm845/tmp/work/cortexa35-openbmc-linux/phosphor-ipmi-host/1.0+gitAUTOINC+5d38067181-r1/build'
ERROR: oe_runmake failed

More messages in log.do_compile:
/home/tim/npcm-master/openbmc/build/evb-npcm845/tmp/work/cortexa35-openbmc-linux/phosphor-ipmi-host/1.0+gitAUTOINC+5d38067181-r1/build/../git/include/ipmid/message/unpack.hpp: In instantiation of 'static int ipmi::message::details::UnpackSingle<A>::op(ipmi::message::Payload&, T&) [with T = boost::multiprecision::number<boost::multiprecision::backends::cpp_int_backend<24, 24, boost::multiprecision::unsigned_magnitude, boost::multiprecision::unchecked, void>, boost::multiprecision::et_off>]':
/home/tim/npcm-master/openbmc/build/evb-npcm845/tmp/work/cortexa35-openbmc-linux/phosphor-ipmi-host/1.0+gitAUTOINC+5d38067181-r1/build/../git/include/ipmid/message.hpp:440:45:   required from 'int ipmi::message::Payload::unpack(Arg&&, Args&& ...) [with Arg = boost::multiprecision::number<boost::multiprecision::backends::cpp_int_backend<24, 24, boost::multiprecision::unsigned_magnitude, boost::multiprecision::unchecked, void>, boost::multiprecision::et_off>&; Args = {}]'
../git/ipmid-new.cpp:300:37:   required from here
/home/tim/npcm-master/openbmc/build/evb-npcm845/tmp/work/cortexa35-openbmc-linux/phosphor-ipmi-host/1.0+gitAUTOINC+5d38067181-r1/build/../git/include/ipmid/message/unpack.hpp:123:46: error: static assertion failed: Attempt to unpack a type that has no IPMI unpack operation
  123 |                 utility::dependent_false<T>::value,
      |                                              ^~~~~
/home/tim/npcm-master/openbmc/build/evb-npcm845/tmp/work/cortexa35-openbmc-linux/phosphor-ipmi-host/1.0+gitAUTOINC+5d38067181-r1/build/../git/include/ipmid/message/unpack.hpp:123:46: note: 'std::integral_constant<bool, false>::value' evaluates to false
/home/tim/npcm-master/openbmc/build/evb-npcm845/tmp/work/cortexa35-openbmc-linux/phosphor-ipmi-host/1.0+gitAUTOINC+5d38067181-r1/build/../git/include/ipmid/message/unpack.hpp:126:5: error: no return statement in function returning non-void [-Werror=return-type]
  126 |     }
      |     ^
......
/home/tim/npcm-master/openbmc/build/evb-npcm845/tmp/work/cortexa35-openbmc-linux/phosphor-ipmi-host/1.0+gitAUTOINC+5d38067181-r1/build/../git/include/ipmid/message/pack.hpp: In instantiation of 'static int ipmi::message::details::PackSingle<A>::op(ipmi::message::Payload&, const T&) [with T = boost::multiprecision::number<boost::multiprecision::backends::cpp_int_backend<24, 24, boost::multiprecision::unsigned_magnitude, boost::multiprecision::unchecked, void>, boost::multiprecision::et_off>]':
/home/tim/npcm-master/openbmc/build/evb-npcm845/tmp/work/cortexa35-openbmc-linux/phosphor-ipmi-host/1.0+gitAUTOINC+5d38067181-r1/build/../git/include/ipmid/message.hpp:262:43:   required from 'int ipmi::message::Payload::pack(Arg&&, Args&& ...) [with Arg = boost::multiprecision::number<boost::multiprecision::backends::cpp_int_backend<24, 24, boost::multiprecision::unsigned_magnitude, boost::multiprecision::unchecked, void>, boost::multiprecision::et_off>&; Args = {}]'
../git/ipmid-new.cpp:308:16:   required from here
/home/tim/npcm-master/openbmc/build/evb-npcm845/tmp/work/cortexa35-openbmc-linux/phosphor-ipmi-host/1.0+gitAUTOINC+5d38067181-r1/build/../git/include/ipmid/message/pack.hpp:80:28: error: static assertion failed: Attempt to pack a type that has no IPMI pack operation
   80 |         static_assert(std::is_integral_v<T>,
      |                       ~~~~~^~~~~~~~~~~~~~~~

static_assert() in unpack.hpp:
template <typename T>
struct UnpackSingle
{
    static int op(Payload& p, T& t)
    {
            static_assert(
                utility::dependent_false<T>::value,
                "Attempt to unpack a type that has no IPMI unpack operation");

static_assert() in pack.hpp:
template <typename T>
struct PackSingle
{
    static int op(Payload& p, const T& t)
    {
        static_assert(std::is_integral_v<T>,
                      "Attempt to pack a type that has no IPMI pack operation");

Best regards,
Tim
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