[Users] Error in thorn Vectors

[Roland Haas]

Hello all,

Maria has already created a ticket:
https://trac.einsteintoolkit.org/ticket/2084

Yours,
Roland

> On 10/11/17 22:34, Hamilton, Maria wrote:
> > Hello Eloisa,
> > 
> > This is strange. I did do a fresh checkout and tried to compile it with the 
> > osx-homebrew.cfg but I am getting this error:
> > 
> > checking for M_PI... no
> > configure: error: M_PI not defined. Try adding -D_XOPEN_SOURCE to CPPFLAGS.
> > 
> > I added the flag to CPPFLAGS, I even added a new flag FDBITSFLAGS="-D_XOPEN_SOURCE=500 which I found on the internet, but the same error persisted. 
> > 
> > I am running Cactus on a Mac Laptop, OSX High Sierra and recommended brewed packages including gcc 7.2.0
> > 
> > Please let me know how to fix it.  
> 
> Dear Maria,
> 
> if you're following a tutorial (say, the one at
> https://docs.einsteintoolkit.org/et-docs/Simplified_Tutorial_for_New_Users),
> please open a ticket to report which set of instructions do not work on
> your system.
> 
> For instance, are you using Simfactory? Where exactly did you modify
> CPPFLAGS?
> 
> Best,
> Eloisa
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