AutoRaise: xcodebuild fails with "Exit code: 65"

[lhaeger (Lothar Haeger)]

After having fixed #62816 building the port for the PR on macOS 10.14 now fails during destroot with:

** INSTALL FAILED **


The following build commands failed:
	SymLink /opt/local/var/macports/build/_Users_runner_work_1_s_ports_sysutils_AutoRaise/AutoRaise/work/AutoRaise-2.1.0/build/Release/AutoRaise.app /opt/local/var/macports/build/_Users_runner_work_1_s_ports_sysutils_AutoRaise/AutoRaise/work/destroot/Applications/MacPorts/AutoRaise.app
(1 failure)
Command failed: cd "/opt/local/var/macports/build/_Users_runner_work_1_s_ports_sysutils_AutoRaise/AutoRaise/work/AutoRaise-2.1.0" && /usr/bin/xcodebuild  -alltargets -configuration Release install INSTALL_PATH=/Applications/MacPorts  OBJROOT="/opt/local/var/macports/build/_Users_runner_work_1_s_ports_sysutils_AutoRaise/AutoRaise/work/AutoRaise-2.1.0/build/" SYMROOT="/opt/local/var/macports/build/_Users_runner_work_1_s_ports_sysutils_AutoRaise/AutoRaise/work/AutoRaise-2.1.0/build/" MACOSX_DEPLOYMENT_TARGET=10.14 ARCHS=x86_64 SDKROOT="/Applications/Xcode_11.3.1.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk" GCC_VERSION=com.apple.compilers.llvm.clang.1_0 CLANG_CXX_LIBRARY="libc++"  DSTROOT="/opt/local/var/macports/build/_Users_runner_work_1_s_ports_sysutils_AutoRaise/AutoRaise/work/destroot"
Exit code: 65
Error: Failed to destroot AutoRaise: command execution failed
DEBUG: Error code: NONE
DEBUG: Backtrace: command execution failed
    while executing
"$procedure $targetname"
Error: See /opt/local/var/macports/logs/_Users_runner_work_1_s_ports_sysutils_AutoRaise/AutoRaise/main.log for details.
Error: Follow https://guide.macports.org/#project.tickets to report a bug.
Error: Processing of port AutoRaise failed

--> ​https://dev.azure.com/macports/macports-ports/_build/results?buildId=14176&view=logs&j=ca395085-040a-526b-2ce8-bdc85f692774&t=08703039-49d0-5b78-7691-5b9414c62c1d&l=1103

Anyone with an idea what's causing this and how to fit ix?