Non-Cocoapods Installation

[kevinmlong]

I'm having some trouble with getting Tesseract appropriately working sans cocoa pods.

• I cloned this repo and built the framework -- Set ENABLE_BITCODE to NO -- Set GENERATE_MASTER_OBJECT_FILE to YES
• I copied the framework into my project
• I added the following to my project Build Settings -- Added other linker flags (-lstdc++ and -lz) -- Set ENABLE_BITCODE to NO -- Set CLANG_CXX_LIBRARY to Compiler Default

The project works fine when I build and run on a real device. Building and running on a simulator device however results in a Linker Error

In the log it shows:

ld: warning: ignoring file <ProjectFolder>/TesseractOCR.framework/TesseractOCR, missing required architecture x86_64 in file <ProjectFolder>/TesseractOCR.framework/TesseractOCR (2 slices)
Undefined symbols for architecture x86_64:
  "_OBJC_CLASS_$_G8Tesseract", referenced from:
      objc-class-ref in ViewController.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)

Any guidance in resolving this would be greatly appreciated.

Thanks!

[klongmitre]

@gali8 @kevincon - still seeing this issue. Any advise you may have would be great! Also - any thoughts on making the framework available via providing the binary in the release for Carthage users?

[klongmitre]

For those who are interested I was able to figure out the following with some help from here https://dzone.com/articles/creating-a-universal-framework-in-xcode-9.

In a root directory create a script (e.g. create-tesseract-universal-framework.sh). The contents of the script is:

git clone https://github.com/gali8/Tesseract-OCR-iOS.git
rm -Rf Tesseract-OCR-iOS/build
xcodebuild archive -project Tesseract-OCR-iOS/Tesseract\ OCR\ iOS.xcodeproj -scheme TesseractOCR -sdk iphoneos SYMROOT=build
xcodebuild build -project Tesseract-OCR-iOS/Tesseract\ OCR\ iOS.xcodeproj -target TesseractOCR -sdk iphonesimulator SYMROOT=build
cp -RL Tesseract-OCR-iOS/build/Release-iphoneos Tesseract-OCR-iOS/build/Release-universal/
cp -RL Tesseract-OCR-iOS/build/Release-iphonesimulator Tesseract-OCR-iOS/build/Release-universal/
lipo -create Tesseract-OCR-iOS/build/Release-iphoneos/TesseractOCR.framework/TesseractOCR Tesseract-OCR-iOS/build/Release-iphonesimulator/TesseractOCR.framework/TesseractOCR -output Tesseract-OCR-iOS/build/Release-universal/TesseractOCR.framework/TesseractOCR
cp -r Tesseract-OCR-iOS/build/Release-universal/TesseractOCR.framework .

After running the script, there will be a TesseractOCR.framework in the directory. Drag this framework into your project. This will allow the project to compile for either a device or a simulator.

[joel-yc]

@klongmitre you are a lifesaver!!

[eugeniobaglieri]

This helped me a lot!

[eugeniobaglieri]

For those who are interested I was able to figure out the following with some help from here https://dzone.com/articles/creating-a-universal-framework-in-xcode-9.

In a root directory create a script (e.g. create-tesseract-universal-framework.sh). The contents of the script is:

git clone https://github.com/gali8/Tesseract-OCR-iOS.git
rm -Rf Tesseract-OCR-iOS/build
xcodebuild archive -project Tesseract-OCR-iOS/Tesseract\ OCR\ iOS.xcodeproj -scheme TesseractOCR -sdk iphoneos SYMROOT=build
xcodebuild build -project Tesseract-OCR-iOS/Tesseract\ OCR\ iOS.xcodeproj -target TesseractOCR -sdk iphonesimulator SYMROOT=build
cp -RL Tesseract-OCR-iOS/build/Release-iphoneos Tesseract-OCR-iOS/build/Release-universal/
cp -RL Tesseract-OCR-iOS/build/Release-iphonesimulator Tesseract-OCR-iOS/build/Release-universal/
lipo -create Tesseract-OCR-iOS/build/Release-iphoneos/TesseractOCR.framework/TesseractOCR Tesseract-OCR-iOS/build/Release-iphonesimulator/TesseractOCR.framework/TesseractOCR -output Tesseract-OCR-iOS/build/Release-universal/TesseractOCR.framework/TesseractOCR
cp -r Tesseract-OCR-iOS/build/Release-universal/TesseractOCR.framework .

After running the script, there will be a TesseractOCR.framework in the directory. Drag this framework into your project. This will allow the project to compile for either a device or a simulator.

There is a way to build with "GENERATE_MASTER_OBJECT_FILE = YES" without setting the flag manually in Xcode, for example adding some options to build command in the script