Re: [Quantlib-users] Outdated Mac cannot run Bonds

[Luca B. <luc...@gm...>]

Hi Luigi,

Thanks for your suggestion. I was able to solve the issue by adjusting the
deployment target in Xcode.

Here’s how I did it:
1.  I selected the "Bonds" example in the *Project Navigator* > *Targets*.
2.  In the *Build Settings* for "Bonds," I searched for "Deployment Target."
3.  I then changed the **macOS Deployment Target** setting from "13.1" to
"12.0."

I assume the default "13.1" was automatically set because the developer who
built this part might have had macOS 13.1 installed at the time.

Thanks again for your help!

Best,
Luca


On Fri, 31 Oct 2025, 10:37 Luigi Ballabio, <lui...@gm...> wrote:

> Hi, I'm not really sure where that requirement comes from.  May you try
> using the command line instead of Xcode, as in
> https://www.quantlib.org/install/macosx.shtml ?
>
> Luigi
>
>
>
> On Thu, Oct 30, 2025 at 12:25 AM Luca Begatti <luc...@gm...>
> wrote:
>
>> Hi,
>>
>> I have successfully forked, cloned and build the QuantLib library on
>> Xcode and I wanted to try to run the “Bonds” example, but I have
>> encountered this:
>>
>> *"xxx’s MacBook Pro runs macOS 12.7.6, which is lower than Bonds’s
>> minimum deployment target of 13.1. Change your project’s minimum deployment
>> target or upgrade Luca’s MacBook Pro’s version of macOS.**”*
>>
>> My laptop is quite old and Apple does not allow me to update MacOS
>> anymore. Is there a way to solve this other than upgrading to a newer
>> laptop/Mac?
>>
>> Thanks
>> /Luca
>>
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>