Undefined symbols for architecture i386 Upgrading project to iOS 5

Question

I\'ve been scouring SO and Google but haven\'t found anything helpful yet.

We\'re updating our existing iOS project to build against iOS 5.

Our project has t

Answer 1

This worked for me well (catch the settings with bold):

Answer 2

I Had the same error : Just add "libGoogleAnalyticsServices.a" into your files

Answer 3

If you don't need the code coverage, you can complete disable it by using the following settings, thus avoiding the attempted calls to those functions.

GCC_INSTRUMENT_PROGRAM_FLOW_ARCS = NO
GCC_GENERATE_TEST_COVERAGE_FILES = NO

Answer 4

In my case I was building for device. Switching to simulator worked like charm, but I have no clue why it is different. :-)

Answer 5

In my case, I had to add --coverage to the CMAKE_EXE_LINKER_FLAGS on Apple Clang Apple LLVM version 9.0.0 (clang-900.0.39.2). That seems to have fixed it. None of the above solutions worked.

The article below mentions it:

https://asmaloney.com/2017/01/code/code-coverage-of-unit-tests-using-qt-5-on-macos/

Answer 6

llvm_gcda_start_file and co are added by LLVM compiler for code coverage and unit testing.

adding -lprofile_rt to Linker Flags in your project settings should solve this error. (older tutorial might suggest -lgcov which is for Xcode 3 and GCC)

According to Code Coverage on Xcode 4.4.1 "-lprofile_rt" is no longer required.