<div dir="ltr">Yeah I noticed that it only works in Xcode 7.2 when you have a bridging header and in Xcode 7.3 if it's explicitly declared in code and you have a bridging header.<div><br></div><div>Is there a way we could bring this back for a Swift 2.2.1 ? It eased our migration from Objective-C.</div><div><br></div><div>If the recommended path is to have swift constants and #if statements, then we could remove this again in Swift 3 since there are already a lot of things breaking in that version I would expect something like this to happen :)</div></div><div class="gmail_extra"><br clear="all"><div><div class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr">
<p><b><font color="#cc0000">___________________________________</font></b></p><p><b>James⎥Head Of CEO</b></p><p><b><font color="#cc0000"><a href="mailto:james@supmenow.com" target="_blank">james@supmenow.com</a>⎥<a href="http://supmenow.com" target="_blank">supmenow.com</a></font></b></p><p><b><font size="2">Sup</font></b></p><p><b><font size="2">Runway East
</font></b></p><p><b><font size="2">10 Finsbury Square</font></b></p><p><b><font size="2">London</font></b></p><p><b><font size="2">
EC2A 1AF </font></b></p></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div>
<br><div class="gmail_quote">On Thu, Mar 24, 2016 at 5:06 PM, Jordan Rose <span dir="ltr"><<a href="mailto:jordan_rose@apple.com" target="_blank">jordan_rose@apple.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word"><div>The reason this wouldn't have been considered intentional is because it only works for targets with bridging headers. Frameworks? Nope. Pure Swift targets? Nope.</div><span class="HOEnZb"><font color="#888888"><div><br></div><div>Jordan</div></font></span><div><div class="h5"><br><div><blockquote type="cite"><div>On Mar 24, 2016, at 10:05 , Jordan Rose <<a href="mailto:jordan_rose@apple.com" target="_blank">jordan_rose@apple.com</a>> wrote:</div><br><div><div style="word-wrap:break-word"><div>Ahh. Yes, we were. We would define the macro in Clang, then when we do a lookup we'd get it back out in Swift. I, um, wouldn't have considered that intentional, but clearly people are depending on it. Sorry, James!</div><div><br></div><div>Doug, we saw a similar issue with macros in bridging headers, right? Do you remember which that was? Do you have an opinion here?</div><div><br></div><div>Jordan</div><div><br></div><br><div><blockquote type="cite"><div>On Mar 24, 2016, at 9:06 , Daniel Dunbar <<a href="mailto:daniel_dunbar@apple.com" target="_blank">daniel_dunbar@apple.com</a>> wrote:</div><br><div><div style="word-wrap:break-word">(+Jordan)<div><br></div><div>Jordan, did something change here? Were we previously getting these via the Clang importer in a way we aren't anymore?</div><div><br></div><div> - Daniel</div><div><br><div><blockquote type="cite"><div>On Mar 24, 2016, at 9:02 AM, James Campbell <<a href="mailto:james@supmenow.com" target="_blank">james@supmenow.com</a>> wrote:</div><br><div><div dir="ltr">I've just attached one now. The preprocessor macro is specified in the build settings.<div><br></div><div>In Xcode 7.2 these were imported and worked like they did in C i.e API_VERSION=2 would be imported as a constant named API_VERSION and would be a 2</div><div><br></div><div>In Xcode 7.3 it broke.</div></div><div class="gmail_extra"><br clear="all"><div><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><p><b><font color="#cc0000">___________________________________</font></b></p><p><b>James⎥Head Of CEO</b></p><p><b><font color="#cc0000"><a href="mailto:james@supmenow.com" target="_blank">james@supmenow.com</a>⎥<a href="http://supmenow.com/" target="_blank">supmenow.com</a></font></b></p><p><b><font size="2">Sup</font></b></p><p><b><font size="2">Runway East
</font></b></p><p><b><font size="2">10 Finsbury Square</font></b></p><p><b><font size="2">London</font></b></p><p><b><font size="2">
EC2A 1AF </font></b></p></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div>
<br><div class="gmail_quote">On Thu, Mar 24, 2016 at 3:54 PM, Daniel Dunbar <span dir="ltr"><<a href="mailto:daniel_dunbar@apple.com" target="_blank">daniel_dunbar@apple.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word">Swift has never supported referring directly to macros, it only supports "build configurations". I'm still not sure exactly what you have that could have worked previously.<div><div><br></div><div>Can you please attach a complete project showing something which worked in 7.2 and does not work now to the bug you filed?</div><span><font color="#888888"><div><br></div><div> - Daniel</div></font></span><div><div><div><br><div><blockquote type="cite"><div>On Mar 24, 2016, at 8:50 AM, James Campbell <<a href="mailto:james@supmenow.com" target="_blank">james@supmenow.com</a>> wrote:</div><br><div><div dir="ltr">To hold keys and api endpoints.<div><br></div><div>In the past for Objective-C I would have used it like this:</div><div><br></div><div>request.api_endpoint = MY_MACRO_ENDPOINT</div><div><br></div><div>And then when Swift was released I was able to do it in Xcode 7.2:</div><div><br></div><div>request.api_endpoint = MY_MACRO_ENDPOINT<br></div><div><br></div><div>But when using Xocde 7.3 I get this:</div><div><br></div><div>request.api_endpoint = MY_MACRO_ENDPOINT //MY_MACRO_ENDPOINT not defined.<br></div><div><br></div></div><div class="gmail_extra"><br clear="all"><div><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><p><b><font color="#cc0000">___________________________________</font></b></p><p><b>James⎥Head Of CEO</b></p><p><b><font color="#cc0000"><a href="mailto:james@supmenow.com" target="_blank">james@supmenow.com</a>⎥<a href="http://supmenow.com/" target="_blank">supmenow.com</a></font></b></p><p><b><font size="2">Sup</font></b></p><p><b><font size="2">Runway East
</font></b></p><p><b><font size="2">10 Finsbury Square</font></b></p><p><b><font size="2">London</font></b></p><p><b><font size="2">
EC2A 1AF </font></b></p></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div>
<br><div class="gmail_quote">On Thu, Mar 24, 2016 at 3:40 PM, Daniel Dunbar <span dir="ltr"><<a href="mailto:daniel_dunbar@apple.com" target="_blank">daniel_dunbar@apple.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word"><br><div><span><blockquote type="cite"><div>On Mar 24, 2016, at 5:21 AM, James Campbell <<a href="mailto:james@supmenow.com" target="_blank">james@supmenow.com</a>> wrote:</div><br><div><div dir="ltr">This is the "GCC_PREPROCESSOR_DEFINITIONS" build setting. This previously imported into swift. But in Xcode 7.3 it no longer does this.</div></div></blockquote><div><br></div></span>Ok, and exactly how are you trying to use them? Via an #if in C or via an #if in Swift?</div><span><font color="#888888"><div><br></div><div> - Daniel</div></font></span><div><div><div><br><blockquote type="cite"><div><div dir="ltr"><div><br></div><div>If I write the Macros in the bridging header they are imported but I would ideally like to keep them in a build setting.</div></div><div class="gmail_extra"><br clear="all"><div><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><p><b><font color="#cc0000">___________________________________</font></b></p><p><b>James⎥Head Of CEO</b></p><p><b><font color="#cc0000"><a href="mailto:james@supmenow.com" target="_blank">james@supmenow.com</a>⎥<a href="http://supmenow.com/" target="_blank">supmenow.com</a></font></b></p><p><b><font size="2">Sup</font></b></p><p><b><font size="2">Runway East
</font></b></p><p><b><font size="2">10 Finsbury Square</font></b></p><p><b><font size="2">London</font></b></p><p><b><font size="2">
EC2A 1AF </font></b></p></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div>
<br><div class="gmail_quote">On Wed, Mar 23, 2016 at 11:23 PM, Daniel Dunbar <span dir="ltr"><<a href="mailto:daniel_dunbar@apple.com" target="_blank">daniel_dunbar@apple.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">To follow on to what Joe said, can you provide more info about the exact problem. Is this a C preprocessor definition that you expect to be available in code imported by the Clang importer (i.e., bridging header files, etc.), or is a a macro you are expecting to use within Swift itself? And please let us know exactly which build setting you are referring to.<br>
<br>
Thanks,<br>
- Daniel<br>
<div><div><br>
> On Mar 23, 2016, at 3:59 PM, Joe Groff via swift-users <<a href="mailto:swift-users@swift.org" target="_blank">swift-users@swift.org</a>> wrote:<br>
><br>
><br>
>> On Mar 23, 2016, at 9:43 AM, James Campbell via swift-users <<a href="mailto:swift-users@swift.org" target="_blank">swift-users@swift.org</a>> wrote:<br>
>><br>
>> We are experiencing an issue when compiling swift code under Xcode 7.3.<br>
>><br>
>> Preprocessor macros specified in the Xcode Project aren't imported into swift. Ones manually declared in code are imported fine.<br>
>><br>
>> Specifying Xcode 7.3 to use the Xcode 7.2 toolchain (Swift 2.1 etc) has no effect on this.<br>
>><br>
>> This is preventing us from using Xcode 7.3 and being able to test for 9.3. Anybody else getting this issue?<br>
><br>
> The Swift and C family build settings in Xcode are distinct. Are you sure you set the -D flags in "Other Swift Flags" and not in the C build settings? Swift doesn't have preprocessor macros.<br>
><br>
> -Joe<br>
><br>
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