Issue with "~=" operator in ldc2.conf

[cyrusmsk]

DCD is showing an error in logs, that config.d can't properly read ldc2.conf and pointing on line 49:

"arm64-apple-ios":
{
    switches ~= [
        "-Xcc=-isysroot",
        "-Xcc=/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk",
    ];

OS: macOS 15.5
Compiler: LDC 1.41.0
DCD: built from master git
serve-d: built from master git

After changing '~=' to '=' the error disappeared and DCD started working.

[0xEAB]

Isn’t this an issue of DCD then?

[the-horo]

Yeah, it's definitely an issue with DCD not understanding the newer ldc syntax.

---

After changing '~=' to '=' the error disappeared and DCD started working.

Don't do that, ~= means append, = means overwrite. If you change the setting like that you'll be deleting the default flags that you need for the compiler to work. In your particular case it's not doing anything because it would only delete the flags when targeting arm64-apple-ios but once #4954 lands you will be breaking it for every target.

[cyrusmsk]

Thanks. Reopened an issue in DCD repo