guys,
I was using xcode to start a project which links to a static lib project.(I add the project as the child of the target project and add .a to the target)
Every time, I run the target, it has to recompile all the files from the lib project whether or not the source files in the static lib project has changed.
How to stop it from recompile the static lib project? Thank you.
I don't have a straight answer to your question but i run through this blog with a step-by-step instruction to create a static lib in XCode. I have tried myself to see if the static lib was rebuilt when i was just editing the target project but it didn't seem to occur.
Few hints to consider:
Check the scheme you are using when building your target (Parallelize
Build and Find Implicit Dependencies should be both turn on).
Make sure you don't clean your lib project.
you can also construct your own framework and use this projects. I did it using this link
Related
I have a static library xcode project (.a) and a bundle xcode project (.bundle)
I added the (.a) as a sub project of (.bundle) and added to [Target Dependencies] and [Link Binary With Libraries].
After run the bulid the (.bundle) still not contain any binary file inside (.bundle).
It's work if I add the .c and .h files to under (.bundle) directly, but that make me need to handle two project files. Any way can make (.bundle) just build with the (.a) ?
This question same as what I asked, I tried to follow his 11 steps without the step 10 because he said lastly no need that step. But the generated (.bundle) still without contain any binary
Finally, I make it work.
The step 10 still important and below is corrected step 10.
create a dummy.c under (.bundle) project and the dummy.c can just totally empty. remove the setting for the library you want to link inside Link Binary With Libraries instead use -Wl,-force_load,$(CONFIGURATION_BUILD_DIR)/libYourLib.a or -all_load to Other Linker Flags
PS: And also can use sub-project instead of workspace. and use Target Dependencies instead of Edit Scheme to achieve the same effect.
The testing project
I have a static library project and in that project I linked a .xcodeproj to the source code so I can update easily actually and to not copy and paste files in the static library project for easy update.
The purpose thought it's to embed this .xcodeproj with my code into the result static library or .framework that I will build using a script.
Although I can see that there is nothing added in the compile sources or the copy header files which I added. If I try to add with drag and drop files from the linked project to my static library build phases copy header section it copies the file to my project again, but I don't want this.
And if I add a header file #import to one of my public headers and try to use the static library to the client project it complains that the header is not found!
So, in the end, what I want is the whole linked project files to be copied in the resulting static library or .framework with the scripts and target I have.
Is this possible to achieve, I think I miss some project setting that I'm not aware about that will see and copy all header and implementation files to my result static library or .framework?
Is my approach overall correct? I don't think that there is no option to use a linked project in a static library and embed it when the build is happening since I am using it in my project!
I could add the .framework of the third party component too and merge to my static library. I have created this question earlier today. Is it possible to include a .framework in a .framework and how?
Regards.
Not sure if your #import-not-found issue is a linker issue, but...
Make sure to use the -ObjC flag in "Other Linker Flags" in the library's Build Settings. This gets the linker to build everything in the library.
Mentioned here:
https://developer.apple.com/library/ios/technotes/iOSStaticLibraries/Articles/configuration.html
And also make sure you link in the library in the build settings for the project that needs it.
In my workspace I have 2 projects: my main project, and a static library project. I link the resulting .a of the library project into the main project. Problem is, when I make a change to a source file in the library project, and run the main project, the library project does not get rebuilt, and the old .a library gets used. This leads to strange runtime errors.
Is there a way to enable correct compilation of dependency projects?
This is a bug in Xcode there for ages.
Workaround:
In Project Navigator find the reference to the library .a file in the main project.
In Utilities pane, change to "Relative to Build Products"
Edit project.pbxproj and find the line the static library lib*.a
file is referenced by "path=...".
Remove the path, so just lib*.a is left.
I am trying to do the payment using https://www.balancedpayments.com/ . They have their iPhone library for this https://github.com/balanced/balanced-ios . The problem is that there is not enough documentation on how the Balanced.framework has to be added in the XCode 4.5 project?
Download the Balanced framework.
Add Balanced.framework to your project and to Build Phases -> Link Binary With Libraries.
Add CoreTelephony.framework to Build Phases -> Link Binary With Libraries.
Usage:
#import <Balanced/Balanced.h>
Balanced *balanced = [[Balanced alloc] initWithMarketplaceURI:#"/v1/marketplaces/TEST-MP2autgNHAZxRWZs76RriOze"];
BPCard *card = [[BPCard alloc] initWithNumber:#"4242424242424242" expirationMonth:8 expirationYear:2025 securityCode:#"123"];
If you need more help, look at the example project they have attached...
You Just Need to add those Balanced- Classes as a static library, It will work out.
Add a Static Library to your Project.
Now add those balanced classes to your static Library.
Goto YourProject->Target->BuildPhases->LinkWithBinaryLibraries
Here add the StaticLibrary.
Hope this will help you.
Follow this issue on Github. The lack of linking Balanced.framework is related to Xcode templates. The fix is documented in the project's "Contributing" section. You need to build it.
The balanced-ios project has changed quite a bit since this question was asked. It now creates a static library instead of a framework. This change was made for the reasons described in balanced-ios Project Architecture.
To integrate balanced-ios into iOS projects, do the following:
Download the latest pre-built release zip from https://github.com/balanced/balanced-ios/releases
Copy balanced.a to your project
Add balanced.a to Build Phases -> Link Binary With Libraries
Add CoreTelephony.framework to Build Phases -> Link Binary With Libraries
Copy includes/balanced to your project's include folder (or create an include folder and copy includes/balanced to it) includes is automatically included in header search paths. Drag includes to your project so you can see the files from there. If you copy the include files to a location other than includes you'll probably need to add the path to User Header Search Paths in your project settings
Code usage examples can be found in the README at https://github.com/balanced/balanced-ios
First, please forgive and point out if I am to use some other protocol for referencing another thread/post.
There was a previous thread how to compile spatialite for iOS where the top answer partly described building spatialite as a static library for iOS. The answer included the text:
"Once you've drag n drop the .a (both are required to work in the simulator AND on the real hardware), you can initialize spatialite by just invoking spatialite_init(1)."
I am guessing this is translated to some version of the following?
Xcode 4
File->New->New Target->iOS->Framework & Library->Cocoa Touch Static Library
Name the library - libSpatialite_TedS
Drag the header files to libSpatialite_TedS -> Copy Headers (question here ... there is a spatialite.h file in the 'headers' directory of the 'spatialite2.3.1.zip' download. Then in the subdirectory 'spatialite' there is another spatialite.h that is not an identical file and is obviously needed. Do we just drag the header files from 'headers' directory, then drag the directory 'spatialite' as a directory into 'Copy Headers' area of our Xcode static library 'myNewLibrary'?)
Drag the '.a files' libSPATIALITE2.3.1_arm.a & libSPATIALITE2.3.1_x86.a
Shouldn't we have some '.m' files to go with these headers in the 'Compile Sources' field?
Now, without referencing the libSpatialite_TedS in my project, when I 'Command-B' to build, the project build succeeds. However, when I look for the compiled product in
/Users/Admin/Library/Developer/Xcode/DerivedData/MyProject-gutnkbwqqonzgxbcmfzzzkadqhid/Build/Products/Release-iphonesimulator
I see build's products, but they do not include libSpatialite_TedS.
Is this because the compiler is 'smart' and recognizes that none of the header/.a files are referenced in the project so it does not bother compiling them?
And, is this the correct way to go about achieving the objective of the original poster how to compile spatialite for iOS?
Many thanks,
Ted S
I was running into linker errors with the original poster too, but solved it by including libsqlite3.dylib, libstc++.dylib, and libiconv.dylib in the target.
Hope this helps!
Ted, I believe that the .a (static library) files and headers are meant to be used in a project right away, rather than in another static library as you've described. They are the result of a project's output. I think you can find the project that built them, here:
http://lionel.gueganton.free.fr/spatialite/
And a little more on static library files:
What is a .a (as libcrypto.a) file?
EDITED
Here's another link that you might find helpful. It s a summary of the Static Library build process in iOS:
http://www.icodeblog.com/2011/04/07/creating-static-libraries-for-ios/