Merge pull request #1317 from wordpress-mobile/issue/1313_carthage_build

Fix Carthage build for Xcode 12

Author: SergioEstevao

Example/AztecExample.xcodeproj/project.pbxproj

@@ -614,6 +614,7 @@
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
 				SWIFT_SWIFT3_OBJC_INFERENCE = Off;
 				SWIFT_VERSION = 4.0;
+				VALIDATE_WORKSPACE = YES;
 			};
 			name = Debug;
 		};
@@ -667,6 +668,7 @@
 				SWIFT_SWIFT3_OBJC_INFERENCE = Off;
 				SWIFT_VERSION = 4.0;
 				VALIDATE_PRODUCT = YES;
+				VALIDATE_WORKSPACE = YES;
 			};
 			name = Release;
 		};
@@ -829,6 +831,7 @@
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
 				SWIFT_SWIFT3_OBJC_INFERENCE = Off;
 				SWIFT_VERSION = 4.0;
+				VALIDATE_WORKSPACE = YES;
 			};
 			name = Profiling;
 		};
@@ -912,6 +915,7 @@
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
 				SWIFT_SWIFT3_OBJC_INFERENCE = Off;
 				SWIFT_VERSION = 4.0;
+				VALIDATE_WORKSPACE = YES;
 			};
 			name = "Release-Alpha";
 		};

Example/carthage.sh

@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+
+# carthage.sh
+# Usage example: ./carthage.sh build --platform iOS
+# This script was copied from here: https://github.com/Carthage/Carthage/issues/3019#issuecomment-665136323
+
+set -euo pipefail
+
+xcconfig=$(mktemp /tmp/static.xcconfig.XXXXXX)
+trap 'rm -f "$xcconfig"' INT TERM HUP EXIT
+
+# For Xcode 12 make sure EXCLUDED_ARCHS is set to arm architectures otherwise
+# the build will fail on lipo due to duplicate architectures.
+echo 'EXCLUDED_ARCHS__EFFECTIVE_PLATFORM_SUFFIX_simulator__NATIVE_ARCH_64_BIT_x86_64__XCODE_1200 = arm64 arm64e armv7 armv7s armv6 armv8' >> $xcconfig
+echo 'EXCLUDED_ARCHS = $(inherited) $(EXCLUDED_ARCHS__EFFECTIVE_PLATFORM_SUFFIX_$(EFFECTIVE_PLATFORM_SUFFIX)__NATIVE_ARCH_64_BIT_$(NATIVE_ARCH_64_BIT)__XCODE_$(XCODE_VERSION_MAJOR))' >> $xcconfig
+
+export XCODE_XCCONFIG_FILE="$xcconfig"
+carthage "$@"

README.md

@@ -36,6 +36,13 @@ cd Example
 carthage update --platform iOS
 ```
 
+*If using XCode 12 use the follow script:*
+
+```bash
+cd Example
+./carthage.sh update --platform iOS
+```
+
 Once Carthage finishes, you should open the file `Aztec.xcworkspace` from the root directory of Aztec.
 
 Make sure the `AztecExample` target it selected, and press CMD + R to run it.