kicad-developers team mailing list archive

[Seth Hillbrand <seth.hillbrand@xxxxxxxxx>]

We use this in CheckCXXSymbolExists and Cmake has provided this function
since 2.8.6.

I've removed the repository copy of this macro to allow Cmake to use its
own.  This should be safe as we have already set a minimum Cmake version of
2.8.12.

Let me know if you still have this issue, Adam.

-S

2018-03-30 14:24 GMT-07:00 Wayne Stambaugh <stambaughw@xxxxxxxxx>:

> I'm using 3.10 so that's why I haven't seen this yet.  I guess we are
> going to have to fix this.  It's would be nice if the cmake folks would
> have at least provided a substitution and a warning rather than break
> everybody's configuration who uses CHECK_SYMBOL_EXISTS.
>
> On 3/30/2018 5:15 PM, Seth Hillbrand wrote:
> > Hi Adam-
> >
> > You will need to downgrade to CMake 3.10 or lower.  In 3.11, they
> > revised the internals of CheckSymbolExists.
> >
> > Our macro depends on the internal CMake macro _CHECK_SYMBOL_EXISTS (note
> > the underscore at the beginning).  In 3.11, they replaced it with
> > __CHECK_SYMBOL_EXISTS_IMPL.
> >
> > -S
> >
> > 2018-03-30 13:24 GMT-07:00 Wayne Stambaugh <stambaughw@xxxxxxxxx
> > <mailto:stambaughw@xxxxxxxxx>>:
> >
> >     Hey Adam,
> >
> >     According to the latest cmake (3.11) docs[1],
> CheckCXXSymbolExists.cmake
> >     still contains a CHECK_SYMBOL_EXISTS command.  This has been around
> for
> >     a really long time, I'm not sure why you would be having issues with
> >     this now unless you have a broken cmake install.
> >
> >     Wayne
> >
> >     On 3/30/2018 3:56 PM, Adam Wolf wrote:
> >     > Hi folks!
> >     >
> >     > Normally I wouldn't ask this question on the list, but it's at or
> past
> >     > crunch time on the new macOS packaging, so please forgive me.
> >     >
> >     > I have a macOS 10.11 system I use for KiCad packaging sometimes,
> and
> >     > I'm running some tests on it.  It has cmake 3.11.0 on it.
> >     >
> >     > 8 days ago, I was able to build kicad master on it.  Today, I can't
> >     > configure on it.  I get
> >     >
> >     > CMake Error at CMakeModules/CheckCXXSymbolExists.cmake:41
> >     > (_CHECK_SYMBOL_EXISTS):
> >     >   Unknown CMake command "_CHECK_SYMBOL_EXISTS".
> >     > Call Stack (most recent call first):
> >     >   CMakeModules/PerformFeatureChecks.cmake:84
> (check_cxx_symbol_exists)
> >     >   CMakeLists.txt:166 (perform_feature_checks)
> >     >
> >     > This machine is just used for KiCad, and this error doesn't really
> >     > make sense to me.  It very well could be with the scripts I'm using
> >     > for testing, but I'm asking in case anyone has any ideas or has
> seen
> >     > something similar.
> >     >
> >     > Adam Wolf
> >     >
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