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Editorial Team
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Asked: 2026-06-12T05:57:41+00:00

I installed Xcode 4.5 today and I have the following problem: I use workspaces

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I installed Xcode 4.5 today and I have the following problem:

I use workspaces to develop a library and app simultaneously. When I change something in the library and build the app, the library gets rebuilt with the new changes. This works fine in Xcode 4.3/4.4.
However, since Xcode 4.5 this doesn’t seem to work anymore. I always have to “Clean” the project, otherwise changes are not visible, although the targets are built in correct order (lib, app).

Has anyone experienced the same?
Does a workaround exist?

-Alexander

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1 Answer

  1. Editorial Team

    Here’s one possible cause of this (there’s probably others):

    Make sure the Identity and Type inspector is showing and select the libWhatever.a file in your application’s project (not the library). If you see Location: Relative to Project, this is your problem.

    • Click Relative to Project and change it to Relative to Build Products.
    • This will change the type of the link, but it will still be broken.
    • Click the locate button and find the output file.

    Honestly, you’re probably better off editing the pbxproj directly. Your patch will look something like this:

    Index: App.xcodeproj/project.pbxproj
===================================================================
--- App.xcodeproj/project.pbxproj     (revision 28061)
+++ App.xcodeproj/project.pbxproj     (working copy)
@@ -28,7 +28,7 @@

 /* Begin PBXFileReference section */
           A7052F8F1358BFCC00178DAC /* libsqlite3.dylib */ = {isa = PBXFileReference; lastKnownFileType = "compiled.mach-o.dylib"; name = libsqlite3.dylib; path = usr/lib/libsqlite3.dylib; sourceTree = SDKROOT; };
-          A74F787413566130000D0AFC /* libLibrary.a */ = {isa = PBXFileReference; explicitFileType = archive.ar; path = libLibrary.a; sourceTree = SOURCE_ROOT; };
+          A74F787413566130000D0AFC /* libLibrary.a */ = {isa = PBXFileReference; lastKnownFileType = archive.ar; path = libLibrary.a; sourceTree = BUILT_PRODUCTS_DIR; };
           A74F787D135665A3000D0AFC /* Macros.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = Macros.h; path = DslExt/Macros.h; sourceTree = "<group>"; };
           A74F787E135665A3000D0AFC /* Foundation-dsl.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = "Foundation-dsl.m"; path = "DslExt/Foundation-dsl.m"; sourceTree = "<group>"; };
           A74F787F135665A3000D0AFC /* Foundation-dsl.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = "Foundation-dsl.h"; path = "DslExt/Foundation-dsl.h"; sourceTree = "<group>"; };

    I found this answer here:

    What's the correct way to configure XCode 4 workspaces to build dependencies when needed?

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