Hi,

I sure did try that.  I also tried to install devtools (no luck there).

[root@localhost source]# yum list installed binutils* gcc-c++* libc-devel* Installed Packages binutils.armv7hl 2.27-44.base.el7_9.1                                     @updates gcc-c++.armv7hl 4.8.5-44.el7                                             @base

And:

[root@localhost source]# gcc -v --help 2>/dev/null| grep '-std=c++'   -ansi                       A synonym for -std=c89 (for C) or -std=c++98 (for   -std=c++03                  Conform to the ISO 1998 C++ standard revised by   -std=c++0x                  Deprecated in favor of -std=c++11   -std=c++11                  Conform to the ISO 2011 C++ standard   -std=c++1y                  Conform to the ISO 201y(7?) C++ draft standard   -std=c++98                  Conform to the ISO 1998 C++ standard revised by

So looks like gcc-c++ 4.8.5-44 only gets me to C++11.  Almost there.  For some reason I decided to use std::filesystem a bunch of places and it looks like it is only supported in C++17.

On 4/25/2022 3:06 PM, Robert Heller wrote:

Did you try:

sudo yum install gcc-c++ binutils libc-devel

???

Not sure what version of gcc-c++ that will get you. My CentOS 7 VPS has gcc-c++-4.8.5-44.el7.x86_64 on it, so I would assume the above should get you gcc-c++-4.8.5-44.el7.armv7hl. OTOH, my Raspberry Pi 4 build box with Raspberry Pi OS (based on Debian 10) has gcc version 8.3.0 (Raspbian 8.3.0-6+rpi1). Maybe you should just get an up-to-date Raspberry Pi OS image. Then after 'sudo apt update;sudo apt full-upgrade -y' you can do 'sudo apt install g++ binutils libc-dev'.

At Mon, 25 Apr 2022 14:41:18 -0400 CentOS mailing list centos@centos.org wrote:

...

Hi,

I have a program I want to run on a Raspberry PI 4 that was written on an x86_64 architecture.  So I downloaded the Raspberry PI image of CentOS 7 and now I'm on armv7hl.  Unfortunately, there doesn't appear to be any devtools for arm at all.  Is there an easy(ish) way to get c++ 17 this architecture?

Thank you!

---

Will

---

CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos

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Am 25.04.22 um 23:07 schrieb Kenneth Porter:

--On Monday, April 25, 2022 4:30 PM -0400 Will aragonx@dcsnow.com wrote:

...

I sure did try that.  I also tried to install devtools (no luck there).

[root@localhost source]# yum list installed binutils* gcc-c++* libc-devel*

I'd suggest checking Software Collections or COPR for newer devtools built for CentOS 7. They'd install to /opt and you'd use the scripts to set your path to use the alternate tools.

yum --enablerepo=extras install centos-release-scl centos-release-scl-rh

# yum list all |egrep "d.*gcc-c++"|column -t devtoolset-10-gcc-c++.x86_64 10.2.1-11.2.el7 centos-sclo-rh devtoolset-11-gcc-c++.x86_64 11.2.1-1.2.el7 centos-sclo-rh devtoolset-3-gcc-c++.x86_64 4.9.2-6.el7 centos-vault-sclo-rh devtoolset-4-gcc-c++.x86_64 5.3.1-6.1.el7 centos-vault-sclo-rh devtoolset-6-gcc-c++.x86_64 6.3.1-3.1.el7 centos-vault-sclo-rh devtoolset-7-gcc-c++.x86_64 7.3.1-5.16.el7 centos-sclo-rh devtoolset-8-gcc-c++.x86_64 8.3.1-3.2.el7 centos-sclo-rh devtoolset-9-gcc-c++.x86_64 9.3.1-2.2.el7 centos-sclo-rh

-- Leon

Have you built RPMs from their source SRPMs before? I'd suggest getting one of the SRPMs from SCL and building it on the Pi. You'll probably have to incrementally build the whole tool chain, just as those in scl were built.

It's possible you could get the person who built the scl versions for x86_64 to add armv7hl to their list of build architectures and it would build and appear automatically. (I'm not familiar enough with the process to know just how automated that is.)

On Mon, Apr 25, 2022, Will wrote:

On 4/25/2022 4:09 PM, Bill Campbell wrote:

...

On Mon, Apr 25, 2022, Will wrote:

...

Hi,

I have a program I want to run on a Raspberry PI 4 that was written on an x86_64 architecture.  So I downloaded the Raspberry PI image of CentOS 7 and now I'm on armv7hl.  Unfortunately, there doesn't appear to be any devtools for arm at all.  Is there an easy(ish) way to get c++ 17 this architecture?

What program do you want to run on the Pi 4?

Bill

It's something I wrote myself a few years ago that extensively uses std::filesystem.

Will,

Have you tried building on the current 64 bit Raspberry PI Linux? My most recent install is running on an 8GB Pi 4+ in an Argon One M.2 case with 1TB SSD drive in a headless configuration. I've built over 300 packages from sources for amavisd through zlib on the Pi. These are all packages I've been using for decades going back to Caldera Linux and most recently CentOS.

I've had to install quite a few development packages using apt-get on the Pi. I could provide a complete list of installed packages that could be used to quickly use apt-get install to pull in the packages needed.

# dpkg-query -f '${binary:Package}\n' -W | sort > packages_list.txt # comm -13 packages_list.txt mypackagelist > newpackages # apt-get update # apt-get install `cat newpackages`

Bill