Unable to upload Crashlytics dSYM file during build phase of a flutter project due to script error

- 2 minutes read - 340 words

Recently I added Crashlytics into my project on Oct 25, 2022. I encountered this issue and spent a while to fix it. Today I had to figure out how to do it again, and spent a while. I hated to do that again, so here is this article.

The key message is the first one below. It is quite misleading and lead me to wrong direction to change DEBUG_INFORMATION_FORMAT.

Validating build environment for Crashlytics...
warning: DEBUG_INFORMATION_FORMAT should be set to dwarf-with-dsym for all configurations. This could also be a timing issue, make sure the Firebase run script build phase is the last build phase and
no other scripts have moved the dSYM from the location Xcode generated it. Unable to process Runner.app.dSYM at path
/Users/shuruiliu/Library/Developer/Xcode/DerivedData/Runner-bsqqrkfnqfvhnlddsuyygnxdyqmu/Build/Intermediates.noindex/ArchiveIntermediates/Runner/BuildProductsPath/Release-iphoneos/Runner.app.dSYM
Make sure your project build settings are generating a dSYM file.


Processing dSYMs...
Command PhaseScriptExecution failed with a nonzero exit code
warning: The iOS deployment target 'IPHONEOS_DEPLOYMENT_TARGET' is set to 8.0, but the range of supported deployment target versions is 11.0 to 16.1.99

After several trials and errors, here is the correct one:

Runner: Apple Clang - Code Generation:
     Generate Debug Symbols:
        Release: Yes

The actual git diff patch is as following. The first patch is to remove "warning: The iOS deployment target 'IPHONEOS_DEPLOYMENT_TARGET' is set to 8.0, but the range of supported deployment target versions is 11.0 to 16.1.99" warnings. The second patch is the one to resolve this issue.

diff --git a/ios/Podfile b/ios/Podfile
index 7dc78a9..55d7191 100644
--- a/ios/Podfile
+++ b/ios/Podfile
@@ -1,5 +1,5 @@
 # Uncomment this line to define a global platform for your project
-platform :ios, '10.0'
+platform :ios, '11.0'

 # CocoaPods analytics sends network stats synchronously affecting flutter build latency.
 ENV['COCOAPODS_DISABLE_STATS'] = 'true'
@@ -38,6 +38,7 @@ post_install do |installer|
   installer.pods_project.targets.each do |target|
     flutter_additional_ios_build_settings(target)
     target.build_configurations.each do |config|
+    config.build_settings['IPHONEOS_DEPLOYMENT_TARGET'] = "11.0"
     config.build_settings['GCC_PREPROCESSOR_DEFINITIONS'] ||= [
         '$(inherited)',

diff --git a/ios/Runner.xcodeproj/project.pbxproj b/ios/Runner.xcodeproj/project.pbxproj
index 12fe716..66f2443 100644
--- a/ios/Runner.xcodeproj/project.pbxproj
+++ b/ios/Runner.xcodeproj/project.pbxproj
@@ -861,6 +861,7 @@
                                ENABLE_BITCODE = NO;
                                "EXCLUDED_ARCHS[sdk=iphoneos*]" = armv7;
                                FLUTTER_TARGET = lib/main_store.dart;
+                               GCC_GENERATE_DEBUGGING_SYMBOLS = YES;
                                INFOPLIST_FILE = Runner/Info.plist;
                                LD_RUNPATH_SEARCH_PATHS = (
                                        "$(inherited)",
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