DPDK fails to compile using gcc version 8.5.0

DPDK/meson Bug 1670 [email protected] 2 participants 2 messages Mar 5, 2025

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2025-03-05 09:07 UTC #0 lore raw

https://bugs.dpdk.org/show_bug.cgi?id=1670

            Bug ID: 1670
           Summary: DPDK fails to compile using gcc version 8.5.0
           Product: DPDK
           Version: 25.03
          Hardware: ARM
                OS: Linux
            Status: UNCONFIRMED
          Severity: critical
          Priority: Normal
         Component: meson
          Assignee: [email protected]
          Reporter: [email protected]

Target Milestone: ---

Compiling DPDK 25.03 on systems that runs gcc version 8.5.0 and ARM architecture ( aarch64) is failing.

Reproducer :

1.Clone DPDK 23.05 :

git clone git:\\dpdk.org\dpdk dpdk-25.03

2. Compile DPDK :

meson build-meson --werror -Dexamples=ethtool,ip_fragmentation,l2fwd-crypto,l3fwd-power,link_status_interrupt,multi_process/client_server_mp/mp_client,multi_process/client_server_mp/mp_server,multi_process/simple_mp,multi_process/symmetric_mp,vdpa -Dprefix=/download/dpdk/install -Dlibdir=lib64 -Denable_drivers=*/mlx5,mempool/bucket,mempool/ring,mempool/stack,net/failsafe,net/netvsc,bus/vmbus,net/tap,net/vdev_netvsc,crypto/openssl,*/virtio*,bus/auxiliary
&& ninja -C build-meson install

Result : compilation fails with the following error :

Compiler for C supports arguments -Wno-missing-field-initializers: YES Compiler for C supports arguments -fzero-init-padding-bits=all: NO
Message: Arm implementer: Arm
Message: Arm part number: 0xd42
Compiler for C supports arguments -mcpu=cortex-a78ae: NO

config/arm/meson.build:915:12: ERROR: Problem encountered: Compiler does not support -mcpu=cortex-a78ae.

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Wathsala Wathawana Vithanage

2025-03-05 18:08 UTC #1 lore raw

Quoted 41 lines

Subject: [DPDK/meson Bug 1670] DPDK fails to compile using gcc version 8.5.0
Bug ID 1670 <https://bugs.dpdk.org/show_bug.cgi?id=1670>
Summary DPDK fails to compile using gcc version 8.5.0
Product DPDK
Version 25.03
Hardware ARM
OS Linux
Status UNCONFIRMED
Severity critical
Priority Normal
Component meson
Assignee [email protected]
Reporter [email protected]
Target Milestone ---
Compiling DPDK 25.03 on systems that runs gcc version 8.5.0 and ARM architecture ( aarch64) is failing.
Reproducer :
1.Clone DPDK 23.05 :
git clone git:\\dpdk.org\dpdk dpdk-25.03
2. Compile DPDK :
meson build-meson --werror -Dexamples=ethtool,ip_fragmentation,l2fwd-crypto,l3fwd- power,link_status_interrupt,multi_process/client_server_mp/mp_client,multi_pr ocess/client_server_mp/mp_server,multi_process/simple_mp,multi_process/sym metric_mp,vdpa
-Dprefix=/download/dpdk/install -Dlibdir=lib64 - Denable_drivers=*/mlx5,mempool/bucket,mempool/ring,mempool/stack,net/fail safe,net/netvsc,bus/vmbus,net/tap,net/vdev_netvsc,crypto/openssl,*/virtio*,bus /auxiliary
&& ninja -C build-meson install
Result : compilation fails with the following error :

Quoted 9 lines

Compiler for C supports arguments -Wno-missing-field-initializers: YES Compiler for C supports arguments -fzero-init-padding-bits=all: NO
Message: Arm implementer: Arm
Message: Arm part number: 0xd42
Compiler for C supports arguments -mcpu=cortex-a78ae: NO
config/arm/meson.build:915:12: ERROR: Problem encountered: Compiler does not support -mcpu=cortex-a78ae.

Cortex-a78ae is newer than GCC 8, so you get this error. One of the following options would solve this Issue.

Option 1: Upgrade the GCC to at least an 11.x version
The resulting build would be the most performant for Cortex-a78ae CPU.

Option 2: Force meson to do a generic build by passing -Dplatform=generic The resulting build may not be as performant as the one produced by options 1. It will use only following march=armv8-a+crc as defined here
https://github.com/DPDK/dpdk/blob/main/config/arm/meson.build#L676

--wathsala