Re: readline in base 7.0.7

[Michael Davidsaver via Core-talk <core-talk at aps.anl.gov>]

On 9/8/22 10:40, Mark Rivers via Core-talk wrote:
> I just built base 7.0.7 on Centos 7 with no changes to the files in configure/os.
>
> My IOCs now are not built with libreadline, while in base 7.0.6.1 they were, again with no changes to the configure/os files.

Is this a clean (re)build?  (fresh clone or "make distclean")

...
> This should not effect sites which set explicitly set COMMANDLINE_LIBRARY as the only definition in Base now has the form COMMANDLINE_LIBRARY ?= ....
>
> I interpret the first sentence here to mean that the test for COMMANDLINE_LIBRARY is done in the compiler if possible, but it does not say that the previous way of doing it in the CONFIG_SITE file (for older compilers) has been removed

The automatic detection logic should emit a "?=" assignment.


> $ grep COMMAND configure/O.*/TOOLCHAIN.*
> configure/O.linux-x86_64-debug/TOOLCHAIN.linux-x86_64.linux-x86_64-debug:COMMANDLINE_LIBRARY ?= READLINE
> configure/O.linux-x86_64/TOOLCHAIN.linux-x86_64.linux-x86_64:COMMANDLINE_LIBRARY ?= READLINE
> configure/O.RTEMS-mvme3100/TOOLCHAIN.linux-x86_64.RTEMS-mvme3100:COMMANDLINE_LIBRARY ?= EPICS
> configure/O.windows-x64-mingw/TOOLCHAIN.linux-x86_64.windows-x64-mingw:COMMANDLINE_LIBRARY ?= EPICS

So other forms of definition "=" or from the command line should
take precedence.


> Does this mean that I now need to edit CONFIG_SITE.Common.linux-x86_64 to manually set COMMANDLINE_LIBRARY?

You should not have to make any change to configure/ files.