R-app on Mojave requires install of Xcode 11

[dyne2meter]

From build with Xcode 10

:notice:build --->  Building R-app
:debug:build Executing org.macports.build (R-app)
:debug:build Assembled command: 'cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_math_R-app/R-app/work/Mac-GUI-1.80" && /usr/bin/xcodebuild -project "R.xcodeproj" -target "R" -configuration Release build INSTALL_PATH=/Applications/MacPorts  OBJROOT="/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_math_R-app/R-app/work/Mac-GUI-1.80/build/" SYMROOT="/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_math_R-app/R-app/work/Mac-GUI-1.80/build/" MACOSX_DEPLOYMENT_TARGET=10.14 ARCHS=x86_64 SDKROOT="/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk" GCC_VERSION=com.apple.compilers.llvm.clang.1_0 CLANG_CXX_LIBRARY="libc++" FRAMEWORK_SEARCH_PATHS=/opt/local/Library/Frameworks'
:debug:build system: cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_math_R-app/R-app/work/Mac-GUI-1.80" && /usr/bin/xcodebuild -project "R.xcodeproj" -target "R" -configuration Release build INSTALL_PATH=/Applications/MacPorts  OBJROOT="/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_math_R-app/R-app/work/Mac-GUI-1.80/build/" SYMROOT="/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_math_R-app/R-app/work/Mac-GUI-1.80/build/" MACOSX_DEPLOYMENT_TARGET=10.14 ARCHS=x86_64 SDKROOT="/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk" GCC_VERSION=com.apple.compilers.llvm.clang.1_0 CLANG_CXX_LIBRARY="libc++" FRAMEWORK_SEARCH_PATHS=/opt/local/Library/Frameworks
:info:build Build settings from command line:
:info:build     ARCHS = x86_64
:info:build     CLANG_CXX_LIBRARY = libc++
:info:build     FRAMEWORK_SEARCH_PATHS = /opt/local/Library/Frameworks
:info:build     GCC_VERSION = com.apple.compilers.llvm.clang.1_0
:info:build     INSTALL_PATH = /Applications/MacPorts
:info:build     MACOSX_DEPLOYMENT_TARGET = 10.14
:info:build     OBJROOT = /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_math_R-app/R-app/work/Mac-GUI-1.80/build/
:info:build     SDKROOT = /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk
:info:build     SYMROOT = /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_math_R-app/R-app/work/Mac-GUI-1.80/build/
:info:build 2024-04-27 09:12:41.026 xcodebuild[6254:9269760] Error Domain=com.apple.CoreSimulator.SimError Code=159 "Unable to determine SimDeviceSet, set_path=/opt/local/var/macports/home/Library/Developer/CoreSimulator/Devices" UserInfo={NSLocalizedDescription=Unable to determine SimDeviceSet, set_path=/opt/local/var/macports/home/Library/Developer/CoreSimulator/Devices, NSUnderlyingError=0x7fe8a7fad5c0 {Error Domain=NSPOSIXErrorDomain Code=12 "Cannot allocate memory" UserInfo={NSLocalizedFailureReason=Allocation or initialization failed., NSLocalizedDescription=Failed to initialize simulator device set.}}}
:info:build 2024-04-27 09:12:41.030 xcodebuild[6254:9269760]  iOSSimulator: [SimServiceContext defaultDeviceSetWithError:] returned nil (Error Domain=com.apple.CoreSimulator.SimError Code=159 "Failed to initialize simulator device set." UserInfo={NSLocalizedFailureReason=Failed to subscribe to notifications from CoreSimulatorService., NSLocalizedDescription=Failed to initialize simulator device set., NSUnderlyingError=0x7fe8a7fada60 {Error Domain=com.apple.CoreSimulator.SimError Code=159 "Unable to determine SimDeviceSet, set_path=/opt/local/var/macports/home/Library/Developer/CoreSimulator/Devices" UserInfo={NSLocalizedDescription=Unable to determine SimDeviceSet, set_path=/opt/local/var/macports/home/Library/Developer/CoreSimulator/Devices, NSUnderlyingError=0x7fe8a7fad5c0 {Error Domain=NSPOSIXErrorDomain Code=12 "Cannot allocate memory" UserInfo={NSLocalizedFailureReason=Allocation or initialization failed., NSLocalizedDescription=Failed to initialize simulator device set.}}}}}). Simulator device support disabled.
:info:build 2024-04-27 09:12:41.214 xcodebuild[6254:9269759] [MT] IDELogStore: Failed to open log store at /opt/local/var/macports/home/Library/Developer/Xcode/DerivedData/R-agergzynpshpihdxlfkwqtgzsebr/Logs/Build
:info:build 2024-04-27 09:12:41.214 xcodebuild[6254:9269759] [MT] IDELogStore: Failed to open Build log store: Error Domain=IDEFoundationErrorDomain Code=1 "Unable to create log store directory at '/opt/local/var/macports/home/Library/Developer/Xcode/DerivedData/R-agergzynpshpihdxlfkwqtgzsebr/Logs/Build': (513) You don’t have permission to save the file “Build” in the folder “Logs”." UserInfo={NSLocalizedDescription=Unable to create log store directory at '/opt/local/var/macports/home/Library/Developer/Xcode/DerivedData/R-agergzynpshpihdxlfkwqtgzsebr/Logs/Build': (513) You don’t have permission to save the file “Build” in the folder “Logs”.}. User info: {
:info:build     NSLocalizedDescription = "Unable to create log store directory at '/opt/local/var/macports/home/Library/Developer/Xcode/DerivedData/R-agergzynpshpihdxlfkwqtgzsebr/Logs/Build': (513) You don\U2019t have permission to save the file \U201cBuild\U201d in the folder \U201cLogs\U201d.";
:info:build }.
:info:build 2024-04-27 09:12:41.224 xcodebuild[6254:9269759] [MT] IDELogStore: Failed to open log store at /opt/local/var/macports/home/Library/Developer/Xcode/DerivedData/R-agergzynpshpihdxlfkwqtgzsebr/Logs/Test
:info:build 2024-04-27 09:12:41.225 xcodebuild[6254:9269759] [MT] IDELogStore: Failed to open Test log store: Error Domain=IDEFoundationErrorDomain Code=1 "Unable to create log store directory at '/opt/local/var/macports/home/Library/Developer/Xcode/DerivedData/R-agergzynpshpihdxlfkwqtgzsebr/Logs/Test': (513) You don’t have permission to save the file “Test” in the folder “Logs”." UserInfo={NSLocalizedDescription=Unable to create log store directory at '/opt/local/var/macports/home/Library/Developer/Xcode/DerivedData/R-agergzynpshpihdxlfkwqtgzsebr/Logs/Test': (513) You don’t have permission to save the file “Test” in the folder “Logs”.}. User info: {
:info:build     NSLocalizedDescription = "Unable to create log store directory at '/opt/local/var/macports/home/Library/Developer/Xcode/DerivedData/R-agergzynpshpihdxlfkwqtgzsebr/Logs/Test': (513) You don\U2019t have permission to save the file \U201cTest\U201d in the folder \U201cLogs\U201d.";
:info:build }.
:info:build 2024-04-27 09:12:41.642 XCBBuildService[6256:9269836] /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk: error: SDK 'macosx10.14' already registered from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk
:info:build 2024-04-27 09:12:41.863 XCBBuildService[6256:9269836] /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk: error: SDK 'macosx10.14' already registered from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk
:info:build note: Using new build system
:info:build error: unknown error while handling message: unableToInitializeCore(errors: ["/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk: error: SDK \'macosx10.14\' already registered from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk"])
:info:build ** BUILD FAILED **
:info:build Command failed: cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_math_R-app/R-app/work/Mac-GUI-1.80" && /usr/bin/xcodebuild -project "R.xcodeproj" -target "R" -configuration Release build INSTALL_PATH=/Applications/MacPorts  OBJROOT="/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_math_R-app/R-app/work/Mac-GUI-1.80/build/" SYMROOT="/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_math_R-app/R-app/work/Mac-GUI-1.80/build/" MACOSX_DEPLOYMENT_TARGET=10.14 ARCHS=x86_64 SDKROOT="/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk" GCC_VERSION=com.apple.compilers.llvm.clang.1_0 CLANG_CXX_LIBRARY="libc++" FRAMEWORK_SEARCH_PATHS=/opt/local/Library/Frameworks
:info:build Exit code: 65
:error:build Failed to build R-app: command execution failed
:debug:build Error code: NONE
:debug:build Backtrace: command execution failed
:debug:build     while executing
:debug:build "$procedure $targetname"
:error:build See /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_math_R-app/R-app/main.log for details.

log to be attached

[dyne2meter]

main.log