apparently carthage doesnt support xcode 12 out of box

Author: Geoff MacDonald

.travis.yml

@@ -1,11 +1,11 @@
 language: objective-c
 rvm: 2.7.3
 # https://docs.travis-ci.com/user/reference/osx
-osx_image: xcode12.2
+osx_image: xcode11.6
 env:
   global:
-    - IOS_SIMULATOR="iPhone 11"
-    - IOS_VERSION="14.2"
+    - IOS_SIMULATOR="iPhone XS"
+    - IOS_VERSION="13.6"
 matrix:
   include:
     - env: BUILD_SCHEME="SQLite iOS"
@@ -20,7 +20,7 @@ matrix:
     - env: CARTHAGE_PLATFORM="tvOS"
     - env: PACKAGE_MANAGER_COMMAND="test"
 before_install:
- -  gem install bundler
+  - gem install bundler
   - gem install xcpretty --no-document
   - brew update
   - brew outdated carthage || brew upgrade carthage

Makefile

@@ -1,7 +1,7 @@
 BUILD_TOOL = xcodebuild
 BUILD_SCHEME = SQLite Mac
 IOS_SIMULATOR = iPhone XS
-IOS_VERSION = 12.2
+IOS_VERSION = 13.6
 ifeq ($(BUILD_SCHEME),SQLite iOS)
 	BUILD_ARGUMENTS = -scheme "$(BUILD_SCHEME)" -destination "platform=iOS Simulator,name=$(IOS_SIMULATOR),OS=$(IOS_VERSION)"
 else

Tests/Carthage/Makefile

@@ -3,7 +3,7 @@ CARTHAGE_PLATFORM := iOS
 CARTHAGE_CONFIGURATION := Release
 CARTHAGE_DIR := Carthage
 CARTHAGE_ARGS := --no-use-binaries
-CARTHAGE_TOOLCHAIN := com.apple.dt.toolchain.Swift_3_0
+CARTHAGE_TOOLCHAIN := com.apple.dt.toolchain.XcodeDefault
 CARTHAGE_CMDLINE := --configuration $(CARTHAGE_CONFIGURATION) --platform $(CARTHAGE_PLATFORM) --toolchain $(CARTHAGE_TOOLCHAIN) $(CARTHAGE_ARGS)
 
 test: $(CARTHAGE) Cartfile