[PATCH] config: set pkgconfig for ppc64le

[Ali Alnubani]

> -----Original Message-----
> From: Thinh Tran <thinhtr at linux.vnet.ibm.com>
> Sent: Wednesday, July 13, 2022 10:50 PM
> To: Ali Alnubani <alialnu at nvidia.com>; NBU-Contact-Thomas Monjalon
> (EXTERNAL) <thomas at monjalon.net>
> Cc: dev at dpdk.org; David Christensen <drc at linux.vnet.ibm.com>
> Subject: Re: [PATCH] config: set pkgconfig for ppc64le
> 
> Hi,
> 
> On 7/13/2022 2:39 AM, Ali Alnubani wrote:
> >> -----Original Message-----
> >> From: Thomas Monjalon <thomas at monjalon.net>
> >> Sent: Monday, July 11, 2022 11:11 PM
> >> To: Ali Alnubani <alialnu at nvidia.com>
> >> Cc: dev at dpdk.org; David Christensen <drc at linux.vnet.ibm.com>
> >> Subject: Re: [PATCH] config: set pkgconfig for ppc64le
> >>
> >> + PPC maintainer
> >>
> >> 07/07/2022 13:41, Ali Alnubani:
> >>> Meson fails to detect the dependencies that are included
> >>> in PKG_CONFIG_PATH and built for ppc64le if binaries.pkgconfig
> >>> is not set in the ppc64le cross-file for Ubuntu.
> >>>
> >>> This fixes the issue by setting binaries.pkgconfig to the
> >>> binary provided by the package 'pkg-config-powerpc64le-linux-gnu'.
> >>>
> >>> Signed-off-by: Ali Alnubani <alialnu at nvidia.com>
> >>> ---
> >>>   config/ppc/ppc64le-power8-linux-gcc-ubuntu | 1 +
> >>
> >> Why not adding the same for ppc64le-power8-linux-gcc?
> >>
> >>> +pkgconfig = 'powerpc64le-linux-gnu-pkg-config'
> >
> > I didn't find any operating systems that distribute the powerpc64le cross-
> compiler with the binary names found in config/ppc/ppc64le-power8-linux-
> gcc.
> > Both Ubuntu and Fedora use the -gnu suffix. Fedora doesn't seem to have
> a pkg-config binary for powerpc64le though.
> 
> I am able to cross-compile dpdk on Ubuntu with the default config file
> My system info:
> # uname -rvm
>   5.4.0-113-generic #127-Ubuntu SMP Wed May 18 14:30:56 UTC 2022 x86_64
> 
> # apt list gcc-10-powerpc64le-linux-gnu | grep installed
> gcc-10-powerpc64le-linux-gnu/focal-updates,focal-security,now
> 10.3.0-1ubuntu1~20.04cross1 amd64 [installed]
> # which powerpc64le-linux-gnu-gcc
> /usr/bin/powerpc64le-linux-gnu-gcc
> # ls -l /usr/bin/powerpc64le-linux-gnu-gcc
> lrwxrwxrwx 1 root root 37 Jul 13 11:56
> /usr/bin/powerpc64le-linux-gnu-gcc -> /usr/bin/powerpc64le-linux-gnu-gcc-
> 10
> 
> # apt list pkg-config | grep installed
> pkg-config/focal,now 0.29.1-0ubuntu4 amd64 [installed]
> 
> # meson cross-build_p8 --cross-file
> config/ppc/ppc64le-power8-linux-gcc-ubuntu
> The Meson build system
> Version: 0.56.2
> Source dir: /root/dpdk
> Build dir: /root/dpdk/cross-build_p8
> Build type: cross build
> Program cat found: YES (/bin/cat)
> Project name: DPDK
> Project version: 22.07.0-rc4
> C compiler for the host machine: powerpc64le-linux-gnu-gcc (gcc 10.3.0
> "powerpc64le-linux-gnu-gcc (Ubuntu 10.3.0-1ubuntu1~20.04) 10.3.0")
> C linker for the host machine: powerpc64le-linux-gnu-gcc ld.bfd 2.34
> C compiler for the build machine: cc (gcc 9.4.0 "cc (Ubuntu
> 9.4.0-1ubuntu1~20.04.1) 9.4.0")
> C linker for the build machine: cc ld.bfd 2.34
> Build machine cpu family: x86_64
> Build machine cpu: x86_64
> Host machine cpu family: x86_64
> Host machine cpu: x86_64
> Target machine cpu family: ppc64
> Target machine cpu: power8
> Program pkg-config found: YES (/usr/bin/pkg-config)
> Program check-symbols.sh found: YES (/root/dpdk/buildtools/check-
> symbols.sh)
> Program options-ibverbs-static.sh found: YES
> (/root/dpdk/buildtools/options-ibverbs-static.sh)
> Program objdump found: YES (/usr/bin/objdump)
> Program python3 found: YES (/usr/bin/python3)
> Program cat found: YES (/bin/cat)
> Program ../buildtools/symlink-drivers-solibs.sh found: YES (/bin/sh
> /root/dpdk/config/../buildtools/symlink-drivers-solibs.sh)
> Checking for size of "void *" : 8
> Checking for size of "void *" : 8
> ......
> Build targets in project: 851
> 
> Found ninja-1.10.0 at /usr/bin/ninja
> # ninja -C cross-build_p8
> ninja: Entering directory `cross-build_p8'
> [2933/2933] Linking target app/test/dpdk-test
> 
> similar to it, I'm able to build for power9
> 

Hi Thinh,

I'm also able to cross-build for ppc64 on Ubuntu, but without setting binaries.pkgconfig, meson will skip some build targets, even if PKG_CONFIG_PATH points to their dependencies.
Have you tried on Fedora?