Re: Build base 3.15.8 on RHEL 9

["Johnson, Andrew N. via Tech-talk" <tech-talk at aps.anl.gov>]

Hi Mark,

 

I'm seeing the same errors when I build 3.15.8 on RHEL-9. It provides gcc 11.3.1 which defaults to a much C++ newer than the version that the Portable Channel Access Server was developed on. If you don't actually need PCAS (the IOC doesn't) you can prevent it from being built by commenting out these two lines in src/Makefile:

 

DIRS += ca/legacy/pcas

DIRS += ca/legacy/pcas/ex

 

I tried telling g++ to use the the c++98 standard and it still gave the same errors, so it may not be easy to build PCAS with the latest GCC.

 

HTH,

 

- Andrew

 

 

-- 

Complexity comes for free, Simplicity you have to work for.

 

 

On 7/30/24, 4:04 PM, "Tech-talk" <tech-talk-bounces at aps.anl.gov> wrote:

 

I have an EPICS client that needs base 3.15.  I try to build 3.15.8 on RHEL 9 and I get these errors:

 

In file included from ../../../../../../src/ca/legacy/pcas/generic/casCoreClient.h:20,

                 from ../../../../../../src/ca/legacy/pcas/generic/casCoreClient.cc:19:

../../../../../../src/ca/legacy/pcas/generic/caServerI.h: At global scope:

../../../../../../src/ca/legacy/pcas/generic/caServerI.h:91:5: error: ‘class tsDLList<ioBlocked> tsDLList<ioBlocked>::tsDLList’ is private within this context

   91 |     tsDLList < casStrmClient > clientList;

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

In file included from ../../../../../../src/ca/legacy/pcas/generic/caServerI.h:33,

                 from ../../../../../../src/ca/legacy/pcas/generic/casCoreClient.h:20,

                 from ../../../../../../src/ca/legacy/pcas/generic/casCoreClient.cc:19:

../../../../../../src/ca/legacy/pcas/generic/ioBlocked.h:43:7: note: declared private here

   43 | class ioBlockedList : private tsDLList<ioBlocked> {

      |       ^~~~~~~~~~~~~

In file included from ../../../../../../src/ca/legacy/pcas/generic/casCoreClient.h:20,

                 from ../../../../../../src/ca/legacy/pcas/generic/casCoreClient.cc:19:

../../../../../../src/ca/legacy/pcas/generic/caServerI.h:92:5: error: ‘class tsDLList<ioBlocked> tsDLList<ioBlocked>::tsDLList’ is private within this context

   92 |     tsDLList < casIntfOS > intfList;

      |     ^~~~~~~~~~~~~~~~~~~~~~

 

 

What do I need to do?

 

Thanks,

Mark