I'am trying to upgrade "react-native" from "0.50.4" to "0.55".
When I run pod install, i receive an error
checking for a BSD-compatible install... /usr/local/bin/ginstall -c
checking whether build environment is sane... yes
checking for arm-apple-darwin-strip... no
checking for strip... strip
checking for a thread-safe mkdir -p... /usr/local/bin/gmkdir -p
checking for gawk... no
checking for mawk... no
checking for nawk... no
checking for awk... awk
checking whether make sets $(MAKE)... no
checking whether make supports nested variables... no
checking for arm-apple-darwin-gcc... -arch armv7 -isysroot
checking whether the C compiler works... no
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun
/Users/MacBook/Library/Caches/CocoaPods/Pods/Release/glog/0.3.4-1de0b/missing: Unknown `--is-lightweight' option
Try `/Users/MacBook/Library/Caches/CocoaPods/Pods/Release/glog/0.3.4-1de0b/missing --help' for more information
configure: WARNING: 'missing' script is too old or missing
configure: error: in `/Users/MacBook/Library/Caches/CocoaPods/Pods/Release/glog/0.3.4-1de0b':
configure: error: C compiler cannot create executables
See `config.log' for more details
[!] Automatically assigning platform `ios` with version `8.0` on target `quanta_react` because no platform was specified. Please specify a platform for this target in your Podfile. See `https://guides.cocoapods.org/syntax/podfile.html#platform`.
I am a beginner in react-native and I can not make a pod install in my iOS project. Thank you in advance.