alaingalvan/CrossWindow

macOS link failure - Undefined symbols for architecture x86_64: "xmain(int, char const**)", referenced from: -[XWinApplication run] in CocoaMain.o

SamuelMarks opened this issue · 3 comments

What am I doing wrong on my macOS 11.1 (20C69)?

CMakeLists.txt

cmake_minimum_required(VERSION 3.0)
cmake_policy(SET CMP0048 NEW)
project(pp VERSION 0.0.0 LANGUAGES CXX)

set(DCMAKE_GENERATOR_PLATFORM "x64")
set(CMAKE_CXX_STANDARD 14)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)

set(src src/main.cpp)

add_subdirectory(external/crosswindow)

# ❎ When creating your executable use CrossWindow's abstraction function:
xwin_add_executable(
    # Target
    ${PROJECT_NAME}
    # Source Files (make sure to surround in quotations so CMake treats it as a list)
    "${SOURCE_FILES}"
)

set(libs CrossWindow)

if (APPLE) # or if (${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
    find_library(COCOA_LIBRARY Cocoa ONLY)
    #target_link_libraries(${PROJECT_NAME} PRIVATE ${COCOA_LIBRARY})
    set(libs ${libs};${COCOA_LIBRARY})
endif()

message("libs ${libs}")
# 🔗 Link CrossWindow to your project:
target_link_libraries(${PROJECT_NAME} ${libs})

src/main.cpp

https://github.com/alaingalvan/CrossWindow/blob/b2d4f08/readme.md#usage

sh

$ git init && mkdir 'external' && cd "$_"
$ git submodule add https://github.com/alaingalvan/crosswindow.git
$ mkdir 'crosswindow/build' && cd "$_"
$ cmake -G 'Xcode' ..
$ cmake --build .
$ cd ../../..
$ tree -L 2
.
├── CMakeLists.txt
├── external
│   └── crosswindow
└── src
    └── main.cpp
$ mkdir build && cd $_
$ cmake -G 'Xcode' ..
-- The CXX compiler identification is AppleClang 12.0.0.12000032
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang++ - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- The C compiler identification is AppleClang 12.0.0.12000032
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Building CrossWindow for Cocoa
Creating CrossWindow executable:
libs CrossWindow;/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk/System/Library/Frameworks/Cocoa.framework
-- Configuring done
-- Generating done
-- Build files have been written to: temp_dir/cross/build
$ cmake --build .
Command line invocation:
    /Applications/Xcode.app/Contents/Developer/usr/bin/xcodebuild -project pp.xcodeproj build -target ALL_BUILD -parallelizeTargets -configuration Debug -hideShellScriptEnvironment

User defaults from command line:
    HideShellScriptEnvironment = YES

note: Using new build system
note: Building targets in parallel
note: Planning build
note: Constructing build description
CreateBuildDirectory temp_dir/cross/build/external/crosswindow (in target 'CrossWindow' from project 'pp')
    cd temp_dir/cross
    builtin-create-build-directory temp_dir/cross/build/external/crosswindow

CreateBuildDirectory temp_dir/cross/build (in target 'pp' from project 'pp')
    cd temp_dir/cross
    builtin-create-build-directory temp_dir/cross/build

WriteAuxiliaryFile temp_dir/cross/build/pp.build/Debug/ZERO_CHECK.build/Script-C15842543262D8CF4EC9B42F.sh (in target 'ZERO_CHECK' from project 'pp')
    cd temp_dir/cross
    write-file temp_dir/cross/build/pp.build/Debug/ZERO_CHECK.build/Script-C15842543262D8CF4EC9B42F.sh

MkDir temp_dir/cross/build/Debug/pp.app (in target 'pp' from project 'pp')
    cd temp_dir/cross
    /bin/mkdir -p temp_dir/cross/build/Debug/pp.app

MkDir temp_dir/cross/build/Debug/pp.app/Contents (in target 'pp' from project 'pp')
    cd temp_dir/cross
    /bin/mkdir -p temp_dir/cross/build/Debug/pp.app/Contents

MkDir temp_dir/cross/build/Debug/pp.app/Contents/MacOS (in target 'pp' from project 'pp')
    cd temp_dir/cross
    /bin/mkdir -p temp_dir/cross/build/Debug/pp.app/Contents/MacOS

PhaseScriptExecution Generate\ CMakeFiles/ZERO_CHECK temp_dir/cross/build/pp.build/Debug/ZERO_CHECK.build/Script-C15842543262D8CF4EC9B42F.sh (in target 'ZERO_CHECK' from project 'pp')
    cd temp_dir/cross
    /bin/sh -c temp_dir/cross/build/pp.build/Debug/ZERO_CHECK.build/Script-C15842543262D8CF4EC9B42F.sh
make: `temp_dir/cross/build/CMakeFiles/cmake.check_cache' is up to date.

CompileC temp_dir/cross/build/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/Dialogs.o temp_dir/cross/external/crosswindow/src/CrossWindow/Common/Dialogs.cpp normal x86_64 objective-c++ com.apple.compilers.llvm.clang.1_0.compiler (in target 'CrossWindow' from project 'pp')
    cd temp_dir/cross
    /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -x objective-c++ -target x86_64-apple-macos11.1 -fmessage-length\=0 -fdiagnostics-show-note-include-stack -fmacro-backtrace-limit\=0 -Wno-trigraphs -fpascal-strings -O0 -Wno-missing-field-initializers -Wno-missing-prototypes -Wno-return-type -Wno-implicit-atomic-properties -Wno-objc-interface-ivars -Wno-arc-repeated-use-of-weak -Wno-non-virtual-dtor -Wno-overloaded-virtual -Wno-exit-time-destructors -Wno-missing-braces -Wparentheses -Wswitch -Wno-unused-function -Wno-unused-label -Wno-unused-parameter -Wno-unused-variable -Wunused-value -Wno-empty-body -Wno-uninitialized -Wno-unknown-pragmas -Wno-shadow -Wno-four-char-constants -Wno-conversion -Wno-constant-conversion -Wno-int-conversion -Wno-bool-conversion -Wno-enum-conversion -Wno-float-conversion -Wno-non-literal-null-conversion -Wno-objc-literal-conversion -Wno-shorten-64-to-32 -Wno-newline-eof -Wno-selector -Wno-strict-selector-match -Wno-undeclared-selector -Wno-deprecated-implementations -Wno-c++11-extensions -DCMAKE_INTDIR\=\"Debug\" -DXWIN_COCOA\=1 -DOBJC_OLD_DISPATCH_PROTOTYPES\=1 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk -fasm-blocks -fstrict-aliasing -Wprotocol -Wdeprecated-declarations -Winvalid-offsetof -g -Wno-sign-conversion -Wno-infinite-recursion -Wno-move -Wno-comma -Wno-block-capture-autoreleasing -Wno-strict-prototypes -Wno-range-loop-analysis -Wno-semicolon-before-method-body -Itemp_dir/cross/build/external/crosswindow/Debug/include -Itemp_dir/cross/external/crosswindow/src -Itemp_dir/cross/build/external/crosswindow/pp.build/Debug/CrossWindow.build/DerivedSources-normal/x86_64 -Itemp_dir/cross/build/external/crosswindow/pp.build/Debug/CrossWindow.build/DerivedSources/x86_64 -Itemp_dir/cross/build/external/crosswindow/pp.build/Debug/CrossWindow.build/DerivedSources -Ftemp_dir/cross/build/external/crosswindow/Debug -std\=c++14 -x objective-c++ -MMD -MT dependencies -MF temp_dir/cross/build/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/Dialogs.d --serialize-diagnostics temp_dir/cross/build/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/Dialogs.dia -c temp_dir/cross/external/crosswindow/src/CrossWindow/Common/Dialogs.cpp -o temp_dir/cross/build/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/Dialogs.o

CompileC temp_dir/cross/build/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/Init.o temp_dir/cross/external/crosswindow/src/CrossWindow/Common/Init.cpp normal x86_64 objective-c++ com.apple.compilers.llvm.clang.1_0.compiler (in target 'CrossWindow' from project 'pp')
    cd temp_dir/cross
    /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -x objective-c++ -target x86_64-apple-macos11.1 -fmessage-length\=0 -fdiagnostics-show-note-include-stack -fmacro-backtrace-limit\=0 -Wno-trigraphs -fpascal-strings -O0 -Wno-missing-field-initializers -Wno-missing-prototypes -Wno-return-type -Wno-implicit-atomic-properties -Wno-objc-interface-ivars -Wno-arc-repeated-use-of-weak -Wno-non-virtual-dtor -Wno-overloaded-virtual -Wno-exit-time-destructors -Wno-missing-braces -Wparentheses -Wswitch -Wno-unused-function -Wno-unused-label -Wno-unused-parameter -Wno-unused-variable -Wunused-value -Wno-empty-body -Wno-uninitialized -Wno-unknown-pragmas -Wno-shadow -Wno-four-char-constants -Wno-conversion -Wno-constant-conversion -Wno-int-conversion -Wno-bool-conversion -Wno-enum-conversion -Wno-float-conversion -Wno-non-literal-null-conversion -Wno-objc-literal-conversion -Wno-shorten-64-to-32 -Wno-newline-eof -Wno-selector -Wno-strict-selector-match -Wno-undeclared-selector -Wno-deprecated-implementations -Wno-c++11-extensions -DCMAKE_INTDIR\=\"Debug\" -DXWIN_COCOA\=1 -DOBJC_OLD_DISPATCH_PROTOTYPES\=1 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk -fasm-blocks -fstrict-aliasing -Wprotocol -Wdeprecated-declarations -Winvalid-offsetof -g -Wno-sign-conversion -Wno-infinite-recursion -Wno-move -Wno-comma -Wno-block-capture-autoreleasing -Wno-strict-prototypes -Wno-range-loop-analysis -Wno-semicolon-before-method-body -Itemp_dir/cross/build/external/crosswindow/Debug/include -Itemp_dir/cross/external/crosswindow/src -Itemp_dir/cross/build/external/crosswindow/pp.build/Debug/CrossWindow.build/DerivedSources-normal/x86_64 -Itemp_dir/cross/build/external/crosswindow/pp.build/Debug/CrossWindow.build/DerivedSources/x86_64 -Itemp_dir/cross/build/external/crosswindow/pp.build/Debug/CrossWindow.build/DerivedSources -Ftemp_dir/cross/build/external/crosswindow/Debug -std\=c++14 -x objective-c++ -MMD -MT dependencies -MF temp_dir/cross/build/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/Init.d --serialize-diagnostics temp_dir/cross/build/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/Init.dia -c temp_dir/cross/external/crosswindow/src/CrossWindow/Common/Init.cpp -o temp_dir/cross/build/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/Init.o

WriteAuxiliaryFile temp_dir/cross/build/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/CrossWindow.LinkFileList (in target 'CrossWindow' from project 'pp')
    cd temp_dir/cross
    write-file temp_dir/cross/build/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/CrossWindow.LinkFileList

CompileC temp_dir/cross/build/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/WindowDesc.o temp_dir/cross/external/crosswindow/src/CrossWindow/Common/WindowDesc.cpp normal x86_64 objective-c++ com.apple.compilers.llvm.clang.1_0.compiler (in target 'CrossWindow' from project 'pp')
    cd temp_dir/cross
    /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -x objective-c++ -target x86_64-apple-macos11.1 -fmessage-length\=0 -fdiagnostics-show-note-include-stack -fmacro-backtrace-limit\=0 -Wno-trigraphs -fpascal-strings -O0 -Wno-missing-field-initializers -Wno-missing-prototypes -Wno-return-type -Wno-implicit-atomic-properties -Wno-objc-interface-ivars -Wno-arc-repeated-use-of-weak -Wno-non-virtual-dtor -Wno-overloaded-virtual -Wno-exit-time-destructors -Wno-missing-braces -Wparentheses -Wswitch -Wno-unused-function -Wno-unused-label -Wno-unused-parameter -Wno-unused-variable -Wunused-value -Wno-empty-body -Wno-uninitialized -Wno-unknown-pragmas -Wno-shadow -Wno-four-char-constants -Wno-conversion -Wno-constant-conversion -Wno-int-conversion -Wno-bool-conversion -Wno-enum-conversion -Wno-float-conversion -Wno-non-literal-null-conversion -Wno-objc-literal-conversion -Wno-shorten-64-to-32 -Wno-newline-eof -Wno-selector -Wno-strict-selector-match -Wno-undeclared-selector -Wno-deprecated-implementations -Wno-c++11-extensions -DCMAKE_INTDIR\=\"Debug\" -DXWIN_COCOA\=1 -DOBJC_OLD_DISPATCH_PROTOTYPES\=1 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk -fasm-blocks -fstrict-aliasing -Wprotocol -Wdeprecated-declarations -Winvalid-offsetof -g -Wno-sign-conversion -Wno-infinite-recursion -Wno-move -Wno-comma -Wno-block-capture-autoreleasing -Wno-strict-prototypes -Wno-range-loop-analysis -Wno-semicolon-before-method-body -Itemp_dir/cross/build/external/crosswindow/Debug/include -Itemp_dir/cross/external/crosswindow/src -Itemp_dir/cross/build/external/crosswindow/pp.build/Debug/CrossWindow.build/DerivedSources-normal/x86_64 -Itemp_dir/cross/build/external/crosswindow/pp.build/Debug/CrossWindow.build/DerivedSources/x86_64 -Itemp_dir/cross/build/external/crosswindow/pp.build/Debug/CrossWindow.build/DerivedSources -Ftemp_dir/cross/build/external/crosswindow/Debug -std\=c++14 -x objective-c++ -MMD -MT dependencies -MF temp_dir/cross/build/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/WindowDesc.d --serialize-diagnostics temp_dir/cross/build/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/WindowDesc.dia -c temp_dir/cross/external/crosswindow/src/CrossWindow/Common/WindowDesc.cpp -o temp_dir/cross/build/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/WindowDesc.o

CompileC temp_dir/cross/build/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/CocoaWindow.o temp_dir/cross/external/crosswindow/src/CrossWindow/Cocoa/CocoaWindow.mm normal x86_64 objective-c++ com.apple.compilers.llvm.clang.1_0.compiler (in target 'CrossWindow' from project 'pp')
    cd temp_dir/cross
    /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -x objective-c++ -target x86_64-apple-macos11.1 -fmessage-length\=0 -fdiagnostics-show-note-include-stack -fmacro-backtrace-limit\=0 -Wno-trigraphs -fpascal-strings -O0 -Wno-missing-field-initializers -Wno-missing-prototypes -Wno-return-type -Wno-implicit-atomic-properties -Wno-objc-interface-ivars -Wno-arc-repeated-use-of-weak -Wno-non-virtual-dtor -Wno-overloaded-virtual -Wno-exit-time-destructors -Wno-missing-braces -Wparentheses -Wswitch -Wno-unused-function -Wno-unused-label -Wno-unused-parameter -Wno-unused-variable -Wunused-value -Wno-empty-body -Wno-uninitialized -Wno-unknown-pragmas -Wno-shadow -Wno-four-char-constants -Wno-conversion -Wno-constant-conversion -Wno-int-conversion -Wno-bool-conversion -Wno-enum-conversion -Wno-float-conversion -Wno-non-literal-null-conversion -Wno-objc-literal-conversion -Wno-shorten-64-to-32 -Wno-newline-eof -Wno-selector -Wno-strict-selector-match -Wno-undeclared-selector -Wno-deprecated-implementations -Wno-c++11-extensions -DCMAKE_INTDIR\=\"Debug\" -DXWIN_COCOA\=1 -DOBJC_OLD_DISPATCH_PROTOTYPES\=1 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk -fasm-blocks -fstrict-aliasing -Wprotocol -Wdeprecated-declarations -Winvalid-offsetof -g -Wno-sign-conversion -Wno-infinite-recursion -Wno-move -Wno-comma -Wno-block-capture-autoreleasing -Wno-strict-prototypes -Wno-range-loop-analysis -Wno-semicolon-before-method-body -Itemp_dir/cross/build/external/crosswindow/Debug/include -Itemp_dir/cross/external/crosswindow/src -Itemp_dir/cross/build/external/crosswindow/pp.build/Debug/CrossWindow.build/DerivedSources-normal/x86_64 -Itemp_dir/cross/build/external/crosswindow/pp.build/Debug/CrossWindow.build/DerivedSources/x86_64 -Itemp_dir/cross/build/external/crosswindow/pp.build/Debug/CrossWindow.build/DerivedSources -Ftemp_dir/cross/build/external/crosswindow/Debug -std\=c++14 -x objective-c++ -MMD -MT dependencies -MF temp_dir/cross/build/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/CocoaWindow.d --serialize-diagnostics temp_dir/cross/build/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/CocoaWindow.dia -c temp_dir/cross/external/crosswindow/src/CrossWindow/Cocoa/CocoaWindow.mm -o temp_dir/cross/build/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/CocoaWindow.o
temp_dir/cross/external/crosswindow/src/CrossWindow/Cocoa/CocoaWindow.mm:190:13: warning: 'CAOpenGLLayer' is deprecated: first deprecated in macOS 10.14 - OpenGL is deprecated [-Wdeprecated-declarations]
                layer = [[CAOpenGLLayer alloc] init];
                          ^
In file included from temp_dir/cross/external/crosswindow/src/CrossWindow/Cocoa/CocoaWindow.mm:2:
In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk/System/Library/Frameworks/Cocoa.framework/Headers/Cocoa.h:13:
In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk/System/Library/Frameworks/AppKit.framework/Headers/AppKit.h:198:
In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk/System/Library/Frameworks/AppKit.framework/Headers/NSOpenGLLayer.h:11:
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk/System/Library/Frameworks/QuartzCore.framework/Headers/CAOpenGLLayer.h:17:12: note: 'CAOpenGLLayer' has been explicitly marked deprecated here
@interface CAOpenGLLayer : CALayer
           ^
temp_dir/cross/external/crosswindow/src/CrossWindow/Cocoa/CocoaWindow.mm:191:30: warning: 'CAOpenGLLayer' is deprecated: first deprecated in macOS 10.14 - OpenGL is deprecated [-Wdeprecated-declarations]
                [(XWinView*)view setLayer:(CAOpenGLLayer*)layer];
                                           ^
In file included from temp_dir/cross/external/crosswindow/src/CrossWindow/Cocoa/CocoaWindow.mm:2:
In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk/System/Library/Frameworks/Cocoa.framework/Headers/Cocoa.h:13:
In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk/System/Library/Frameworks/AppKit.framework/Headers/AppKit.h:198:
In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk/System/Library/Frameworks/AppKit.framework/Headers/NSOpenGLLayer.h:11:
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk/System/Library/Frameworks/QuartzCore.framework/Headers/CAOpenGLLayer.h:17:12: note: 'CAOpenGLLayer' has been explicitly marked deprecated here
@interface CAOpenGLLayer : CALayer
           ^
temp_dir/cross/external/crosswindow/src/CrossWindow/Cocoa/CocoaWindow.mm:192:3: warning: 'CAOpenGLLayer' is deprecated: first deprecated in macOS 10.14 - OpenGL is deprecated [-Wdeprecated-declarations]
                CAOpenGLLayer* l = ((CAOpenGLLayer*)layer);
                ^
In file included from temp_dir/cross/external/crosswindow/src/CrossWindow/Cocoa/CocoaWindow.mm:2:
In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk/System/Library/Frameworks/Cocoa.framework/Headers/Cocoa.h:13:
In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk/System/Library/Frameworks/AppKit.framework/Headers/AppKit.h:198:
In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk/System/Library/Frameworks/AppKit.framework/Headers/NSOpenGLLayer.h:11:
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk/System/Library/Frameworks/QuartzCore.framework/Headers/CAOpenGLLayer.h:17:12: note: 'CAOpenGLLayer' has been explicitly marked deprecated here
@interface CAOpenGLLayer : CALayer
           ^
temp_dir/cross/external/crosswindow/src/CrossWindow/Cocoa/CocoaWindow.mm:192:24: warning: 'CAOpenGLLayer' is deprecated: first deprecated in macOS 10.14 - OpenGL is deprecated [-Wdeprecated-declarations]
                CAOpenGLLayer* l = ((CAOpenGLLayer*)layer);
                                     ^
In file included from temp_dir/cross/external/crosswindow/src/CrossWindow/Cocoa/CocoaWindow.mm:2:
In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk/System/Library/Frameworks/Cocoa.framework/Headers/Cocoa.h:13:
In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk/System/Library/Frameworks/AppKit.framework/Headers/AppKit.h:198:
In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk/System/Library/Frameworks/AppKit.framework/Headers/NSOpenGLLayer.h:11:
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk/System/Library/Frameworks/QuartzCore.framework/Headers/CAOpenGLLayer.h:17:12: note: 'CAOpenGLLayer' has been explicitly marked deprecated here
@interface CAOpenGLLayer : CALayer
           ^
4 warnings generated.

CompileC temp_dir/cross/build/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/CocoaEventQueue.o temp_dir/cross/external/crosswindow/src/CrossWindow/Cocoa/CocoaEventQueue.mm normal x86_64 objective-c++ com.apple.compilers.llvm.clang.1_0.compiler (in target 'CrossWindow' from project 'pp')
    cd temp_dir/cross
    /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -x objective-c++ -target x86_64-apple-macos11.1 -fmessage-length\=0 -fdiagnostics-show-note-include-stack -fmacro-backtrace-limit\=0 -Wno-trigraphs -fpascal-strings -O0 -Wno-missing-field-initializers -Wno-missing-prototypes -Wno-return-type -Wno-implicit-atomic-properties -Wno-objc-interface-ivars -Wno-arc-repeated-use-of-weak -Wno-non-virtual-dtor -Wno-overloaded-virtual -Wno-exit-time-destructors -Wno-missing-braces -Wparentheses -Wswitch -Wno-unused-function -Wno-unused-label -Wno-unused-parameter -Wno-unused-variable -Wunused-value -Wno-empty-body -Wno-uninitialized -Wno-unknown-pragmas -Wno-shadow -Wno-four-char-constants -Wno-conversion -Wno-constant-conversion -Wno-int-conversion -Wno-bool-conversion -Wno-enum-conversion -Wno-float-conversion -Wno-non-literal-null-conversion -Wno-objc-literal-conversion -Wno-shorten-64-to-32 -Wno-newline-eof -Wno-selector -Wno-strict-selector-match -Wno-undeclared-selector -Wno-deprecated-implementations -Wno-c++11-extensions -DCMAKE_INTDIR\=\"Debug\" -DXWIN_COCOA\=1 -DOBJC_OLD_DISPATCH_PROTOTYPES\=1 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk -fasm-blocks -fstrict-aliasing -Wprotocol -Wdeprecated-declarations -Winvalid-offsetof -g -Wno-sign-conversion -Wno-infinite-recursion -Wno-move -Wno-comma -Wno-block-capture-autoreleasing -Wno-strict-prototypes -Wno-range-loop-analysis -Wno-semicolon-before-method-body -Itemp_dir/cross/build/external/crosswindow/Debug/include -Itemp_dir/cross/external/crosswindow/src -Itemp_dir/cross/build/external/crosswindow/pp.build/Debug/CrossWindow.build/DerivedSources-normal/x86_64 -Itemp_dir/cross/build/external/crosswindow/pp.build/Debug/CrossWindow.build/DerivedSources/x86_64 -Itemp_dir/cross/build/external/crosswindow/pp.build/Debug/CrossWindow.build/DerivedSources -Ftemp_dir/cross/build/external/crosswindow/Debug -std\=c++14 -x objective-c++ -MMD -MT dependencies -MF temp_dir/cross/build/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/CocoaEventQueue.d --serialize-diagnostics temp_dir/cross/build/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/CocoaEventQueue.dia -c temp_dir/cross/external/crosswindow/src/CrossWindow/Cocoa/CocoaEventQueue.mm -o temp_dir/cross/build/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/CocoaEventQueue.o

CompileC temp_dir/cross/build/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/Event.o temp_dir/cross/external/crosswindow/src/CrossWindow/Common/Event.cpp normal x86_64 objective-c++ com.apple.compilers.llvm.clang.1_0.compiler (in target 'CrossWindow' from project 'pp')
    cd temp_dir/cross
    /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -x objective-c++ -target x86_64-apple-macos11.1 -fmessage-length\=0 -fdiagnostics-show-note-include-stack -fmacro-backtrace-limit\=0 -Wno-trigraphs -fpascal-strings -O0 -Wno-missing-field-initializers -Wno-missing-prototypes -Wno-return-type -Wno-implicit-atomic-properties -Wno-objc-interface-ivars -Wno-arc-repeated-use-of-weak -Wno-non-virtual-dtor -Wno-overloaded-virtual -Wno-exit-time-destructors -Wno-missing-braces -Wparentheses -Wswitch -Wno-unused-function -Wno-unused-label -Wno-unused-parameter -Wno-unused-variable -Wunused-value -Wno-empty-body -Wno-uninitialized -Wno-unknown-pragmas -Wno-shadow -Wno-four-char-constants -Wno-conversion -Wno-constant-conversion -Wno-int-conversion -Wno-bool-conversion -Wno-enum-conversion -Wno-float-conversion -Wno-non-literal-null-conversion -Wno-objc-literal-conversion -Wno-shorten-64-to-32 -Wno-newline-eof -Wno-selector -Wno-strict-selector-match -Wno-undeclared-selector -Wno-deprecated-implementations -Wno-c++11-extensions -DCMAKE_INTDIR\=\"Debug\" -DXWIN_COCOA\=1 -DOBJC_OLD_DISPATCH_PROTOTYPES\=1 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk -fasm-blocks -fstrict-aliasing -Wprotocol -Wdeprecated-declarations -Winvalid-offsetof -g -Wno-sign-conversion -Wno-infinite-recursion -Wno-move -Wno-comma -Wno-block-capture-autoreleasing -Wno-strict-prototypes -Wno-range-loop-analysis -Wno-semicolon-before-method-body -Itemp_dir/cross/build/external/crosswindow/Debug/include -Itemp_dir/cross/external/crosswindow/src -Itemp_dir/cross/build/external/crosswindow/pp.build/Debug/CrossWindow.build/DerivedSources-normal/x86_64 -Itemp_dir/cross/build/external/crosswindow/pp.build/Debug/CrossWindow.build/DerivedSources/x86_64 -Itemp_dir/cross/build/external/crosswindow/pp.build/Debug/CrossWindow.build/DerivedSources -Ftemp_dir/cross/build/external/crosswindow/Debug -std\=c++14 -x objective-c++ -MMD -MT dependencies -MF temp_dir/cross/build/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/Event.d --serialize-diagnostics temp_dir/cross/build/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/Event.dia -c temp_dir/cross/external/crosswindow/src/CrossWindow/Common/Event.cpp -o temp_dir/cross/build/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/Event.o

WriteAuxiliaryFile temp_dir/cross/build/pp.build/Debug/pp.build/DerivedSources/Entitlements.plist (in target 'pp' from project 'pp')
    cd temp_dir/cross
    write-file temp_dir/cross/build/pp.build/Debug/pp.build/DerivedSources/Entitlements.plist

ProcessProductPackaging "" temp_dir/cross/build/pp.build/Debug/pp.build/pp.app.xcent (in target 'pp' from project 'pp')
    cd temp_dir/cross
    

Entitlements:

{
    "com.apple.security.get-task-allow" = 1;
}


    builtin-productPackagingUtility -entitlements -format xml -o temp_dir/cross/build/pp.build/Debug/pp.build/pp.app.xcent

CompileC temp_dir/cross/build/pp.build/Debug/pp.build/Objects-normal/x86_64/CocoaMain.o temp_dir/cross/external/crosswindow/src/CrossWindow/Main/CocoaMain.mm normal x86_64 objective-c++ com.apple.compilers.llvm.clang.1_0.compiler (in target 'pp' from project 'pp')
    cd temp_dir/cross
    /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -x objective-c++ -target x86_64-apple-macos11.1 -fmessage-length\=0 -fdiagnostics-show-note-include-stack -fmacro-backtrace-limit\=0 -Wno-trigraphs -fpascal-strings -O0 -Wno-missing-field-initializers -Wno-missing-prototypes -Wno-return-type -Wno-implicit-atomic-properties -Wno-objc-interface-ivars -Wno-arc-repeated-use-of-weak -Wno-non-virtual-dtor -Wno-overloaded-virtual -Wno-exit-time-destructors -Wno-missing-braces -Wparentheses -Wswitch -Wno-unused-function -Wno-unused-label -Wno-unused-parameter -Wno-unused-variable -Wunused-value -Wno-empty-body -Wno-uninitialized -Wno-unknown-pragmas -Wno-shadow -Wno-four-char-constants -Wno-conversion -Wno-constant-conversion -Wno-int-conversion -Wno-bool-conversion -Wno-enum-conversion -Wno-float-conversion -Wno-non-literal-null-conversion -Wno-objc-literal-conversion -Wno-shorten-64-to-32 -Wno-newline-eof -Wno-selector -Wno-strict-selector-match -Wno-undeclared-selector -Wno-deprecated-implementations -Wno-c++11-extensions -DCMAKE_INTDIR\=\"Debug\" -DXWIN_COCOA\=1 -DOBJC_OLD_DISPATCH_PROTOTYPES\=1 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk -fasm-blocks -fstrict-aliasing -Wprotocol -Wdeprecated-declarations -Winvalid-offsetof -g -Wno-sign-conversion -Wno-infinite-recursion -Wno-move -Wno-comma -Wno-block-capture-autoreleasing -Wno-strict-prototypes -Wno-range-loop-analysis -Wno-semicolon-before-method-body -Itemp_dir/cross/build/Debug/include -Itemp_dir/cross/external/crosswindow/src -Itemp_dir/cross/build/pp.build/Debug/pp.build/DerivedSources-normal/x86_64 -Itemp_dir/cross/build/pp.build/Debug/pp.build/DerivedSources/x86_64 -Itemp_dir/cross/build/pp.build/Debug/pp.build/DerivedSources -Ftemp_dir/cross/build/Debug -std\=c++14 -MMD -MT dependencies -MF temp_dir/cross/build/pp.build/Debug/pp.build/Objects-normal/x86_64/CocoaMain.d --serialize-diagnostics temp_dir/cross/build/pp.build/Debug/pp.build/Objects-normal/x86_64/CocoaMain.dia -c temp_dir/cross/external/crosswindow/src/CrossWindow/Main/CocoaMain.mm -o temp_dir/cross/build/pp.build/Debug/pp.build/Objects-normal/x86_64/CocoaMain.o

Libtool temp_dir/cross/build/external/crosswindow/Debug/libCrossWindow.a normal (in target 'CrossWindow' from project 'pp')
    cd temp_dir/cross
    /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/libtool -static -arch_only x86_64 -D -syslibroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk -Ltemp_dir/cross/build/external/crosswindow/Debug -filelist temp_dir/cross/build/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/CrossWindow.LinkFileList -dependency_info temp_dir/cross/build/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/CrossWindow_libtool_dependency_info.dat -o temp_dir/cross/build/external/crosswindow/Debug/libCrossWindow.a
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/libtool: file: temp_dir/cross/build/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/Dialogs.o has no symbols
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/libtool: file: temp_dir/cross/build/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/WindowDesc.o has no symbols

WriteAuxiliaryFile temp_dir/cross/build/pp.build/Debug/pp.build/Objects-normal/x86_64/pp.LinkFileList (in target 'pp' from project 'pp')
    cd temp_dir/cross
    write-file temp_dir/cross/build/pp.build/Debug/pp.build/Objects-normal/x86_64/pp.LinkFileList

ProcessInfoPlistFile temp_dir/cross/build/Debug/pp.app/Contents/Info.plist temp_dir/cross/build/CMakeFiles/pp.dir/Info.plist (in target 'pp' from project 'pp')
    cd temp_dir/cross
    builtin-infoPlistUtility temp_dir/cross/build/CMakeFiles/pp.dir/Info.plist -producttype com.apple.product-type.application -genpkginfo temp_dir/cross/build/Debug/pp.app/Contents/PkgInfo -expandbuildsettings -platform macosx -o temp_dir/cross/build/Debug/pp.app/Contents/Info.plist

Ld temp_dir/cross/build/Debug/pp.app/Contents/MacOS/pp normal (in target 'pp' from project 'pp')
    cd temp_dir/cross
    /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang++ -target x86_64-apple-macos11.1 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk -Ltemp_dir/cross/build/Debug -Ftemp_dir/cross/build/Debug -filelist temp_dir/cross/build/pp.build/Debug/pp.build/Objects-normal/x86_64/pp.LinkFileList -Xlinker -object_path_lto -Xlinker temp_dir/cross/build/pp.build/Debug/pp.build/Objects-normal/x86_64/pp_lto.o -Xlinker -no_deduplicate -fobjc-link-runtime -Wl,-search_paths_first -Wl,-headerpad_max_install_names temp_dir/cross/build/external/crosswindow/Debug/libCrossWindow.a -framework Cocoa -framework QuartzCore -Xlinker -no_adhoc_codesign -Xlinker -dependency_info -Xlinker temp_dir/cross/build/pp.build/Debug/pp.build/Objects-normal/x86_64/pp_dependency_info.dat -o temp_dir/cross/build/Debug/pp.app/Contents/MacOS/pp
Undefined symbols for architecture x86_64:
  "xmain(int, char const**)", referenced from:
      -[XWinApplication run] in CocoaMain.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)

** BUILD FAILED **


The following build commands failed:
	Ld temp_dir/cross/build/Debug/pp.app/Contents/MacOS/pp normal
(1 failure)

I did notice in your CMakeLists.txt file that you didn't pass any source variables to xwin_create_executable:

# 👇 So here's your sources:
set(src src/main.cpp)

add_subdirectory(external/crosswindow)

# ❌ But they're not passed into the 3rd argument here:
xwin_add_executable(
    # Target
    ${PROJECT_NAME}
    # Source Files (make sure to surround in quotations so CMake treats it as a list)
    "${SOURCE_FILES}"
)

Could you try replacing SOURCE_FILES with the variable src you made there?

Also, we have a few examples you can try out over here. I'd recommend playing with that one if you want to work with Metal or OpenGL in MacOS. Keep me posted if anything.

Oh silly me. Woth correct set of src files, I now get:

Command line invocation:
    /Applications/Xcode.app/Contents/Developer/usr/bin/xcodebuild -project pp.xcodeproj build -target ALL_BUILD -parallelizeTargets -configuration Debug -hideShellScriptEnvironment

User defaults from command line:
    HideShellScriptEnvironment = YES

note: Using new build system
note: Building targets in parallel
note: Planning build
note: Constructing build description
CreateBuildDirectory temp_dir/cross/cmake-build-debug (in target 'pp' from project 'pp')
    cd temp_dir/cross
    builtin-create-build-directory temp_dir/cross/cmake-build-debug

CreateBuildDirectory temp_dir/cross/cmake-build-debug/external/crosswindow (in target 'CrossWindow' from project 'pp')
    cd temp_dir/cross
    builtin-create-build-directory temp_dir/cross/cmake-build-debug/external/crosswindow

WriteAuxiliaryFile temp_dir/cross/cmake-build-debug/pp.build/Debug/ZERO_CHECK.build/Script-3FCA2972E4C496F8E995BCF4.sh (in target 'ZERO_CHECK' from project 'pp')
    cd temp_dir/cross
    write-file temp_dir/cross/cmake-build-debug/pp.build/Debug/ZERO_CHECK.build/Script-3FCA2972E4C496F8E995BCF4.sh

MkDir temp_dir/cross/cmake-build-debug/Debug/pp.app (in target 'pp' from project 'pp')
    cd temp_dir/cross
    /bin/mkdir -p temp_dir/cross/cmake-build-debug/Debug/pp.app

MkDir temp_dir/cross/cmake-build-debug/Debug/pp.app/Contents (in target 'pp' from project 'pp')
    cd temp_dir/cross
    /bin/mkdir -p temp_dir/cross/cmake-build-debug/Debug/pp.app/Contents

MkDir temp_dir/cross/cmake-build-debug/Debug/pp.app/Contents/MacOS (in target 'pp' from project 'pp')
    cd temp_dir/cross
    /bin/mkdir -p temp_dir/cross/cmake-build-debug/Debug/pp.app/Contents/MacOS

CompileC temp_dir/cross/cmake-build-debug/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/Init.o temp_dir/cross/external/crosswindow/src/CrossWindow/Common/Init.cpp normal x86_64 objective-c++ com.apple.compilers.llvm.clang.1_0.compiler (in target 'CrossWindow' from project 'pp')
    cd temp_dir/cross
    /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -x objective-c++ -target x86_64-apple-macos11.1 -fmessage-length\=0 -fdiagnostics-show-note-include-stack -fmacro-backtrace-limit\=0 -Wno-trigraphs -fpascal-strings -O0 -Wno-missing-field-initializers -Wno-missing-prototypes -Wno-return-type -Wno-implicit-atomic-properties -Wno-objc-interface-ivars -Wno-arc-repeated-use-of-weak -Wno-non-virtual-dtor -Wno-overloaded-virtual -Wno-exit-time-destructors -Wno-missing-braces -Wparentheses -Wswitch -Wno-unused-function -Wno-unused-label -Wno-unused-parameter -Wno-unused-variable -Wunused-value -Wno-empty-body -Wno-uninitialized -Wno-unknown-pragmas -Wno-shadow -Wno-four-char-constants -Wno-conversion -Wno-constant-conversion -Wno-int-conversion -Wno-bool-conversion -Wno-enum-conversion -Wno-float-conversion -Wno-non-literal-null-conversion -Wno-objc-literal-conversion -Wno-shorten-64-to-32 -Wno-newline-eof -Wno-selector -Wno-strict-selector-match -Wno-undeclared-selector -Wno-deprecated-implementations -Wno-c++11-extensions -DCMAKE_INTDIR\=\"Debug\" -DXWIN_COCOA\=1 -DOBJC_OLD_DISPATCH_PROTOTYPES\=1 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk -fasm-blocks -fstrict-aliasing -Wprotocol -Wdeprecated-declarations -Winvalid-offsetof -g -Wno-sign-conversion -Wno-infinite-recursion -Wno-move -Wno-comma -Wno-block-capture-autoreleasing -Wno-strict-prototypes -Wno-range-loop-analysis -Wno-semicolon-before-method-body -Itemp_dir/cross/cmake-build-debug/external/crosswindow/Debug/include -Itemp_dir/cross/external/crosswindow/src -Itemp_dir/cross/cmake-build-debug/external/crosswindow/pp.build/Debug/CrossWindow.build/DerivedSources-normal/x86_64 -Itemp_dir/cross/cmake-build-debug/external/crosswindow/pp.build/Debug/CrossWindow.build/DerivedSources/x86_64 -Itemp_dir/cross/cmake-build-debug/external/crosswindow/pp.build/Debug/CrossWindow.build/DerivedSources -Ftemp_dir/cross/cmake-build-debug/external/crosswindow/Debug -std\=c++14 -x objective-c++ -MMD -MT dependencies -MF temp_dir/cross/cmake-build-debug/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/Init.d --serialize-diagnostics temp_dir/cross/cmake-build-debug/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/Init.dia -c temp_dir/cross/external/crosswindow/src/CrossWindow/Common/Init.cpp -o temp_dir/cross/cmake-build-debug/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/Init.o

WriteAuxiliaryFile temp_dir/cross/cmake-build-debug/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/CrossWindow.LinkFileList (in target 'CrossWindow' from project 'pp')
    cd temp_dir/cross
    write-file temp_dir/cross/cmake-build-debug/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/CrossWindow.LinkFileList

CompileC temp_dir/cross/cmake-build-debug/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/CocoaEventQueue.o temp_dir/cross/external/crosswindow/src/CrossWindow/Cocoa/CocoaEventQueue.mm normal x86_64 objective-c++ com.apple.compilers.llvm.clang.1_0.compiler (in target 'CrossWindow' from project 'pp')
    cd temp_dir/cross
    /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -x objective-c++ -target x86_64-apple-macos11.1 -fmessage-length\=0 -fdiagnostics-show-note-include-stack -fmacro-backtrace-limit\=0 -Wno-trigraphs -fpascal-strings -O0 -Wno-missing-field-initializers -Wno-missing-prototypes -Wno-return-type -Wno-implicit-atomic-properties -Wno-objc-interface-ivars -Wno-arc-repeated-use-of-weak -Wno-non-virtual-dtor -Wno-overloaded-virtual -Wno-exit-time-destructors -Wno-missing-braces -Wparentheses -Wswitch -Wno-unused-function -Wno-unused-label -Wno-unused-parameter -Wno-unused-variable -Wunused-value -Wno-empty-body -Wno-uninitialized -Wno-unknown-pragmas -Wno-shadow -Wno-four-char-constants -Wno-conversion -Wno-constant-conversion -Wno-int-conversion -Wno-bool-conversion -Wno-enum-conversion -Wno-float-conversion -Wno-non-literal-null-conversion -Wno-objc-literal-conversion -Wno-shorten-64-to-32 -Wno-newline-eof -Wno-selector -Wno-strict-selector-match -Wno-undeclared-selector -Wno-deprecated-implementations -Wno-c++11-extensions -DCMAKE_INTDIR\=\"Debug\" -DXWIN_COCOA\=1 -DOBJC_OLD_DISPATCH_PROTOTYPES\=1 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk -fasm-blocks -fstrict-aliasing -Wprotocol -Wdeprecated-declarations -Winvalid-offsetof -g -Wno-sign-conversion -Wno-infinite-recursion -Wno-move -Wno-comma -Wno-block-capture-autoreleasing -Wno-strict-prototypes -Wno-range-loop-analysis -Wno-semicolon-before-method-body -Itemp_dir/cross/cmake-build-debug/external/crosswindow/Debug/include -Itemp_dir/cross/external/crosswindow/src -Itemp_dir/cross/cmake-build-debug/external/crosswindow/pp.build/Debug/CrossWindow.build/DerivedSources-normal/x86_64 -Itemp_dir/cross/cmake-build-debug/external/crosswindow/pp.build/Debug/CrossWindow.build/DerivedSources/x86_64 -Itemp_dir/cross/cmake-build-debug/external/crosswindow/pp.build/Debug/CrossWindow.build/DerivedSources -Ftemp_dir/cross/cmake-build-debug/external/crosswindow/Debug -std\=c++14 -x objective-c++ -MMD -MT dependencies -MF temp_dir/cross/cmake-build-debug/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/CocoaEventQueue.d --serialize-diagnostics temp_dir/cross/cmake-build-debug/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/CocoaEventQueue.dia -c temp_dir/cross/external/crosswindow/src/CrossWindow/Cocoa/CocoaEventQueue.mm -o temp_dir/cross/cmake-build-debug/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/CocoaEventQueue.o

CompileC temp_dir/cross/cmake-build-debug/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/Dialogs.o temp_dir/cross/external/crosswindow/src/CrossWindow/Common/Dialogs.cpp normal x86_64 objective-c++ com.apple.compilers.llvm.clang.1_0.compiler (in target 'CrossWindow' from project 'pp')
    cd temp_dir/cross
    /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -x objective-c++ -target x86_64-apple-macos11.1 -fmessage-length\=0 -fdiagnostics-show-note-include-stack -fmacro-backtrace-limit\=0 -Wno-trigraphs -fpascal-strings -O0 -Wno-missing-field-initializers -Wno-missing-prototypes -Wno-return-type -Wno-implicit-atomic-properties -Wno-objc-interface-ivars -Wno-arc-repeated-use-of-weak -Wno-non-virtual-dtor -Wno-overloaded-virtual -Wno-exit-time-destructors -Wno-missing-braces -Wparentheses -Wswitch -Wno-unused-function -Wno-unused-label -Wno-unused-parameter -Wno-unused-variable -Wunused-value -Wno-empty-body -Wno-uninitialized -Wno-unknown-pragmas -Wno-shadow -Wno-four-char-constants -Wno-conversion -Wno-constant-conversion -Wno-int-conversion -Wno-bool-conversion -Wno-enum-conversion -Wno-float-conversion -Wno-non-literal-null-conversion -Wno-objc-literal-conversion -Wno-shorten-64-to-32 -Wno-newline-eof -Wno-selector -Wno-strict-selector-match -Wno-undeclared-selector -Wno-deprecated-implementations -Wno-c++11-extensions -DCMAKE_INTDIR\=\"Debug\" -DXWIN_COCOA\=1 -DOBJC_OLD_DISPATCH_PROTOTYPES\=1 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk -fasm-blocks -fstrict-aliasing -Wprotocol -Wdeprecated-declarations -Winvalid-offsetof -g -Wno-sign-conversion -Wno-infinite-recursion -Wno-move -Wno-comma -Wno-block-capture-autoreleasing -Wno-strict-prototypes -Wno-range-loop-analysis -Wno-semicolon-before-method-body -Itemp_dir/cross/cmake-build-debug/external/crosswindow/Debug/include -Itemp_dir/cross/external/crosswindow/src -Itemp_dir/cross/cmake-build-debug/external/crosswindow/pp.build/Debug/CrossWindow.build/DerivedSources-normal/x86_64 -Itemp_dir/cross/cmake-build-debug/external/crosswindow/pp.build/Debug/CrossWindow.build/DerivedSources/x86_64 -Itemp_dir/cross/cmake-build-debug/external/crosswindow/pp.build/Debug/CrossWindow.build/DerivedSources -Ftemp_dir/cross/cmake-build-debug/external/crosswindow/Debug -std\=c++14 -x objective-c++ -MMD -MT dependencies -MF temp_dir/cross/cmake-build-debug/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/Dialogs.d --serialize-diagnostics temp_dir/cross/cmake-build-debug/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/Dialogs.dia -c temp_dir/cross/external/crosswindow/src/CrossWindow/Common/Dialogs.cpp -o temp_dir/cross/cmake-build-debug/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/Dialogs.o

CompileC temp_dir/cross/cmake-build-debug/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/CocoaWindow.o temp_dir/cross/external/crosswindow/src/CrossWindow/Cocoa/CocoaWindow.mm normal x86_64 objective-c++ com.apple.compilers.llvm.clang.1_0.compiler (in target 'CrossWindow' from project 'pp')
    cd temp_dir/cross
    /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -x objective-c++ -target x86_64-apple-macos11.1 -fmessage-length\=0 -fdiagnostics-show-note-include-stack -fmacro-backtrace-limit\=0 -Wno-trigraphs -fpascal-strings -O0 -Wno-missing-field-initializers -Wno-missing-prototypes -Wno-return-type -Wno-implicit-atomic-properties -Wno-objc-interface-ivars -Wno-arc-repeated-use-of-weak -Wno-non-virtual-dtor -Wno-overloaded-virtual -Wno-exit-time-destructors -Wno-missing-braces -Wparentheses -Wswitch -Wno-unused-function -Wno-unused-label -Wno-unused-parameter -Wno-unused-variable -Wunused-value -Wno-empty-body -Wno-uninitialized -Wno-unknown-pragmas -Wno-shadow -Wno-four-char-constants -Wno-conversion -Wno-constant-conversion -Wno-int-conversion -Wno-bool-conversion -Wno-enum-conversion -Wno-float-conversion -Wno-non-literal-null-conversion -Wno-objc-literal-conversion -Wno-shorten-64-to-32 -Wno-newline-eof -Wno-selector -Wno-strict-selector-match -Wno-undeclared-selector -Wno-deprecated-implementations -Wno-c++11-extensions -DCMAKE_INTDIR\=\"Debug\" -DXWIN_COCOA\=1 -DOBJC_OLD_DISPATCH_PROTOTYPES\=1 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk -fasm-blocks -fstrict-aliasing -Wprotocol -Wdeprecated-declarations -Winvalid-offsetof -g -Wno-sign-conversion -Wno-infinite-recursion -Wno-move -Wno-comma -Wno-block-capture-autoreleasing -Wno-strict-prototypes -Wno-range-loop-analysis -Wno-semicolon-before-method-body -Itemp_dir/cross/cmake-build-debug/external/crosswindow/Debug/include -Itemp_dir/cross/external/crosswindow/src -Itemp_dir/cross/cmake-build-debug/external/crosswindow/pp.build/Debug/CrossWindow.build/DerivedSources-normal/x86_64 -Itemp_dir/cross/cmake-build-debug/external/crosswindow/pp.build/Debug/CrossWindow.build/DerivedSources/x86_64 -Itemp_dir/cross/cmake-build-debug/external/crosswindow/pp.build/Debug/CrossWindow.build/DerivedSources -Ftemp_dir/cross/cmake-build-debug/external/crosswindow/Debug -std\=c++14 -x objective-c++ -MMD -MT dependencies -MF temp_dir/cross/cmake-build-debug/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/CocoaWindow.d --serialize-diagnostics temp_dir/cross/cmake-build-debug/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/CocoaWindow.dia -c temp_dir/cross/external/crosswindow/src/CrossWindow/Cocoa/CocoaWindow.mm -o temp_dir/cross/cmake-build-debug/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/CocoaWindow.o

PhaseScriptExecution Generate\ CMakeFiles/ZERO_CHECK temp_dir/cross/cmake-build-debug/pp.build/Debug/ZERO_CHECK.build/Script-3FCA2972E4C496F8E995BCF4.sh (in target 'ZERO_CHECK' from project 'pp')
    cd temp_dir/cross
    /bin/sh -c temp_dir/cross/cmake-build-debug/pp.build/Debug/ZERO_CHECK.build/Script-3FCA2972E4C496F8E995BCF4.sh
make: `temp_dir/cross/cmake-build-debug/CMakeFiles/cmake.check_cache' is up to date.

CompileC temp_dir/cross/cmake-build-debug/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/WindowDesc.o temp_dir/cross/external/crosswindow/src/CrossWindow/Common/WindowDesc.cpp normal x86_64 objective-c++ com.apple.compilers.llvm.clang.1_0.compiler (in target 'CrossWindow' from project 'pp')
    cd temp_dir/cross
    /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -x objective-c++ -target x86_64-apple-macos11.1 -fmessage-length\=0 -fdiagnostics-show-note-include-stack -fmacro-backtrace-limit\=0 -Wno-trigraphs -fpascal-strings -O0 -Wno-missing-field-initializers -Wno-missing-prototypes -Wno-return-type -Wno-implicit-atomic-properties -Wno-objc-interface-ivars -Wno-arc-repeated-use-of-weak -Wno-non-virtual-dtor -Wno-overloaded-virtual -Wno-exit-time-destructors -Wno-missing-braces -Wparentheses -Wswitch -Wno-unused-function -Wno-unused-label -Wno-unused-parameter -Wno-unused-variable -Wunused-value -Wno-empty-body -Wno-uninitialized -Wno-unknown-pragmas -Wno-shadow -Wno-four-char-constants -Wno-conversion -Wno-constant-conversion -Wno-int-conversion -Wno-bool-conversion -Wno-enum-conversion -Wno-float-conversion -Wno-non-literal-null-conversion -Wno-objc-literal-conversion -Wno-shorten-64-to-32 -Wno-newline-eof -Wno-selector -Wno-strict-selector-match -Wno-undeclared-selector -Wno-deprecated-implementations -Wno-c++11-extensions -DCMAKE_INTDIR\=\"Debug\" -DXWIN_COCOA\=1 -DOBJC_OLD_DISPATCH_PROTOTYPES\=1 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk -fasm-blocks -fstrict-aliasing -Wprotocol -Wdeprecated-declarations -Winvalid-offsetof -g -Wno-sign-conversion -Wno-infinite-recursion -Wno-move -Wno-comma -Wno-block-capture-autoreleasing -Wno-strict-prototypes -Wno-range-loop-analysis -Wno-semicolon-before-method-body -Itemp_dir/cross/cmake-build-debug/external/crosswindow/Debug/include -Itemp_dir/cross/external/crosswindow/src -Itemp_dir/cross/cmake-build-debug/external/crosswindow/pp.build/Debug/CrossWindow.build/DerivedSources-normal/x86_64 -Itemp_dir/cross/cmake-build-debug/external/crosswindow/pp.build/Debug/CrossWindow.build/DerivedSources/x86_64 -Itemp_dir/cross/cmake-build-debug/external/crosswindow/pp.build/Debug/CrossWindow.build/DerivedSources -Ftemp_dir/cross/cmake-build-debug/external/crosswindow/Debug -std\=c++14 -x objective-c++ -MMD -MT dependencies -MF temp_dir/cross/cmake-build-debug/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/WindowDesc.d --serialize-diagnostics temp_dir/cross/cmake-build-debug/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/WindowDesc.dia -c temp_dir/cross/external/crosswindow/src/CrossWindow/Common/WindowDesc.cpp -o temp_dir/cross/cmake-build-debug/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/WindowDesc.o

CompileC temp_dir/cross/cmake-build-debug/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/Event.o temp_dir/cross/external/crosswindow/src/CrossWindow/Common/Event.cpp normal x86_64 objective-c++ com.apple.compilers.llvm.clang.1_0.compiler (in target 'CrossWindow' from project 'pp')
    cd temp_dir/cross
    /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -x objective-c++ -target x86_64-apple-macos11.1 -fmessage-length\=0 -fdiagnostics-show-note-include-stack -fmacro-backtrace-limit\=0 -Wno-trigraphs -fpascal-strings -O0 -Wno-missing-field-initializers -Wno-missing-prototypes -Wno-return-type -Wno-implicit-atomic-properties -Wno-objc-interface-ivars -Wno-arc-repeated-use-of-weak -Wno-non-virtual-dtor -Wno-overloaded-virtual -Wno-exit-time-destructors -Wno-missing-braces -Wparentheses -Wswitch -Wno-unused-function -Wno-unused-label -Wno-unused-parameter -Wno-unused-variable -Wunused-value -Wno-empty-body -Wno-uninitialized -Wno-unknown-pragmas -Wno-shadow -Wno-four-char-constants -Wno-conversion -Wno-constant-conversion -Wno-int-conversion -Wno-bool-conversion -Wno-enum-conversion -Wno-float-conversion -Wno-non-literal-null-conversion -Wno-objc-literal-conversion -Wno-shorten-64-to-32 -Wno-newline-eof -Wno-selector -Wno-strict-selector-match -Wno-undeclared-selector -Wno-deprecated-implementations -Wno-c++11-extensions -DCMAKE_INTDIR\=\"Debug\" -DXWIN_COCOA\=1 -DOBJC_OLD_DISPATCH_PROTOTYPES\=1 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk -fasm-blocks -fstrict-aliasing -Wprotocol -Wdeprecated-declarations -Winvalid-offsetof -g -Wno-sign-conversion -Wno-infinite-recursion -Wno-move -Wno-comma -Wno-block-capture-autoreleasing -Wno-strict-prototypes -Wno-range-loop-analysis -Wno-semicolon-before-method-body -Itemp_dir/cross/cmake-build-debug/external/crosswindow/Debug/include -Itemp_dir/cross/external/crosswindow/src -Itemp_dir/cross/cmake-build-debug/external/crosswindow/pp.build/Debug/CrossWindow.build/DerivedSources-normal/x86_64 -Itemp_dir/cross/cmake-build-debug/external/crosswindow/pp.build/Debug/CrossWindow.build/DerivedSources/x86_64 -Itemp_dir/cross/cmake-build-debug/external/crosswindow/pp.build/Debug/CrossWindow.build/DerivedSources -Ftemp_dir/cross/cmake-build-debug/external/crosswindow/Debug -std\=c++14 -x objective-c++ -MMD -MT dependencies -MF temp_dir/cross/cmake-build-debug/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/Event.d --serialize-diagnostics temp_dir/cross/cmake-build-debug/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/Event.dia -c temp_dir/cross/external/crosswindow/src/CrossWindow/Common/Event.cpp -o temp_dir/cross/cmake-build-debug/external/crosswindow/pp.build/Debug/CrossWindow.build/Objects-normal/x86_64/Event.o

WriteAuxiliaryFile temp_dir/cross/cmake-build-debug/pp.build/Debug/pp.build/DerivedSources/Entitlements.plist (in target 'pp' from project 'pp')
    cd temp_dir/cross
    write-file temp_dir/cross/cmake-build-debug/pp.build/Debug/pp.build/DerivedSources/Entitlements.plist

ProcessProductPackaging "" temp_dir/cross/cmake-build-debug/pp.build/Debug/pp.build/pp.app.xcent (in target 'pp' from project 'pp')
    cd temp_dir/cross
    

Entitlements:

{
    "com.apple.security.get-task-allow" = 1;
}


    builtin-productPackagingUtility -entitlements -format xml -o temp_dir/cross/cmake-build-debug/pp.build/Debug/pp.build/pp.app.xcent

CompileC temp_dir/cross/cmake-build-debug/pp.build/Debug/pp.build/Objects-normal/x86_64/CocoaMain.o temp_dir/cross/external/crosswindow/src/CrossWindow/Main/CocoaMain.mm normal x86_64 objective-c++ com.apple.compilers.llvm.clang.1_0.compiler (in target 'pp' from project 'pp')
    cd temp_dir/cross
    /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -x objective-c++ -target x86_64-apple-macos11.1 -fmessage-length\=0 -fdiagnostics-show-note-include-stack -fmacro-backtrace-limit\=0 -Wno-trigraphs -fpascal-strings -O0 -Wno-missing-field-initializers -Wno-missing-prototypes -Wno-return-type -Wno-implicit-atomic-properties -Wno-objc-interface-ivars -Wno-arc-repeated-use-of-weak -Wno-non-virtual-dtor -Wno-overloaded-virtual -Wno-exit-time-destructors -Wno-missing-braces -Wparentheses -Wswitch -Wno-unused-function -Wno-unused-label -Wno-unused-parameter -Wno-unused-variable -Wunused-value -Wno-empty-body -Wno-uninitialized -Wno-unknown-pragmas -Wno-shadow -Wno-four-char-constants -Wno-conversion -Wno-constant-conversion -Wno-int-conversion -Wno-bool-conversion -Wno-enum-conversion -Wno-float-conversion -Wno-non-literal-null-conversion -Wno-objc-literal-conversion -Wno-shorten-64-to-32 -Wno-newline-eof -Wno-selector -Wno-strict-selector-match -Wno-undeclared-selector -Wno-deprecated-implementations -Wno-c++11-extensions -DCMAKE_INTDIR\=\"Debug\" -DXWIN_COCOA\=1 -DOBJC_OLD_DISPATCH_PROTOTYPES\=1 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk -fasm-blocks -fstrict-aliasing -Wprotocol -Wdeprecated-declarations -Winvalid-offsetof -g -Wno-sign-conversion -Wno-infinite-recursion -Wno-move -Wno-comma -Wno-block-capture-autoreleasing -Wno-strict-prototypes -Wno-range-loop-analysis -Wno-semicolon-before-method-body -Itemp_dir/cross/cmake-build-debug/Debug/include -Itemp_dir/cross/external/crosswindow/src -Itemp_dir/cross/cmake-build-debug/pp.build/Debug/pp.build/DerivedSources-normal/x86_64 -Itemp_dir/cross/cmake-build-debug/pp.build/Debug/pp.build/DerivedSources/x86_64 -Itemp_dir/cross/cmake-build-debug/pp.build/Debug/pp.build/DerivedSources -Ftemp_dir/cross/cmake-build-debug/Debug -std\=c++14 -MMD -MT dependencies -MF temp_dir/cross/cmake-build-debug/pp.build/Debug/pp.build/Objects-normal/x86_64/CocoaMain.d --serialize-diagnostics temp_dir/cross/cmake-build-debug/pp.build/Debug/pp.build/Objects-normal/x86_64/CocoaMain.dia -c temp_dir/cross/external/crosswindow/src/CrossWindow/Main/CocoaMain.mm -o temp_dir/cross/cmake-build-debug/pp.build/Debug/pp.build/Objects-normal/x86_64/CocoaMain.o

CompileC temp_dir/cross/cmake-build-debug/pp.build/Debug/pp.build/Objects-normal/x86_64/main.o temp_dir/cross/src/main.cpp normal x86_64 c++ com.apple.compilers.llvm.clang.1_0.compiler (in target 'pp' from project 'pp')
    cd temp_dir/cross
    /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -x c++ -target x86_64-apple-macos11.1 -fmessage-length\=0 -fdiagnostics-show-note-include-stack -fmacro-backtrace-limit\=0 -Wno-trigraphs -fpascal-strings -O0 -Wno-missing-field-initializers -Wno-missing-prototypes -Wno-return-type -Wno-non-virtual-dtor -Wno-overloaded-virtual -Wno-exit-time-destructors -Wno-missing-braces -Wparentheses -Wswitch -Wno-unused-function -Wno-unused-label -Wno-unused-parameter -Wno-unused-variable -Wunused-value -Wno-empty-body -Wno-uninitialized -Wno-unknown-pragmas -Wno-shadow -Wno-four-char-constants -Wno-conversion -Wno-constant-conversion -Wno-int-conversion -Wno-bool-conversion -Wno-enum-conversion -Wno-float-conversion -Wno-non-literal-null-conversion -Wno-objc-literal-conversion -Wno-shorten-64-to-32 -Wno-newline-eof -Wno-c++11-extensions -DCMAKE_INTDIR\=\"Debug\" -DXWIN_COCOA\=1 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk -fasm-blocks -fstrict-aliasing -Wdeprecated-declarations -Winvalid-offsetof -g -Wno-sign-conversion -Wno-infinite-recursion -Wno-move -Wno-comma -Wno-block-capture-autoreleasing -Wno-strict-prototypes -Wno-range-loop-analysis -Wno-semicolon-before-method-body -Itemp_dir/cross/cmake-build-debug/Debug/include -Itemp_dir/cross/external/crosswindow/src -Itemp_dir/cross/cmake-build-debug/pp.build/Debug/pp.build/DerivedSources-normal/x86_64 -Itemp_dir/cross/cmake-build-debug/pp.build/Debug/pp.build/DerivedSources/x86_64 -Itemp_dir/cross/cmake-build-debug/pp.build/Debug/pp.build/DerivedSources -Ftemp_dir/cross/cmake-build-debug/Debug -std\=c++14 -MMD -MT dependencies -MF temp_dir/cross/cmake-build-debug/pp.build/Debug/pp.build/Objects-normal/x86_64/main.d --serialize-diagnostics temp_dir/cross/cmake-build-debug/pp.build/Debug/pp.build/Objects-normal/x86_64/main.dia -c temp_dir/cross/src/main.cpp -o temp_dir/cross/cmake-build-debug/pp.build/Debug/pp.build/Objects-normal/x86_64/main.o
temp_dir/cross/src/main.cpp:35:48: error: no member named 'Mouse' in 'xwin::EventType'
            if (event.type == xwin::EventType::Mouse)
                              ~~~~~~~~~~~~~~~~~^
temp_dir/cross/src/main.cpp:37:29: error: no type named 'MouseData' in namespace 'xwin'
                const xwin::MouseData mouse = event.data.mouse;
                      ~~~~~~^
temp_dir/cross/src/main.cpp:37:58: error: no member named 'mouse' in 'xwin::EventData'
                const xwin::MouseData mouse = event.data.mouse;
                                              ~~~~~~~~~~ ^
3 errors generated.

** BUILD FAILED **


The following build commands failed:
	CompileC temp_dir/cross/cmake-build-debug/pp.build/Debug/pp.build/Objects-normal/x86_64/main.o temp_dir/cross/src/main.cpp normal x86_64 c++ com.apple.compilers.llvm.clang.1_0.compiler
(1 failure)

Or without XCode:

[ 10%] Building CXX object external/crosswindow/CMakeFiles/CrossWindow.dir/src/CrossWindow/Cocoa/CocoaEventQueue.mm.o
[ 20%] Building CXX object external/crosswindow/CMakeFiles/CrossWindow.dir/src/CrossWindow/Cocoa/CocoaWindow.mm.o
temp_dir/cross/external/crosswindow/src/CrossWindow/Cocoa/CocoaWindow.mm:190:13: warning: 'CAOpenGLLayer' is deprecated: first deprecated in macOS 10.14 - OpenGL is deprecated [-Wdeprecated-declarations]
                layer = [[CAOpenGLLayer alloc] init];
                          ^
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk/System/Library/Frameworks/QuartzCore.framework/Headers/CAOpenGLLayer.h:17:12: note: 'CAOpenGLLayer' has been explicitly marked deprecated here
@interface CAOpenGLLayer : CALayer
           ^
temp_dir/cross/external/crosswindow/src/CrossWindow/Cocoa/CocoaWindow.mm:191:30: warning: 'CAOpenGLLayer' is deprecated: first deprecated in macOS 10.14 - OpenGL is deprecated [-Wdeprecated-declarations]
                [(XWinView*)view setLayer:(CAOpenGLLayer*)layer];
                                           ^
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk/System/Library/Frameworks/QuartzCore.framework/Headers/CAOpenGLLayer.h:17:12: note: 'CAOpenGLLayer' has been explicitly marked deprecated here
@interface CAOpenGLLayer : CALayer
           ^
temp_dir/cross/external/crosswindow/src/CrossWindow/Cocoa/CocoaWindow.mm:192:3: warning: 'CAOpenGLLayer' is deprecated: first deprecated in macOS 10.14 - OpenGL is deprecated [-Wdeprecated-declarations]
                CAOpenGLLayer* l = ((CAOpenGLLayer*)layer);
                ^
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk/System/Library/Frameworks/QuartzCore.framework/Headers/CAOpenGLLayer.h:17:12: note: 'CAOpenGLLayer' has been explicitly marked deprecated here
@interface CAOpenGLLayer : CALayer
           ^
temp_dir/cross/external/crosswindow/src/CrossWindow/Cocoa/CocoaWindow.mm:192:24: warning: 'CAOpenGLLayer' is deprecated: first deprecated in macOS 10.14 - OpenGL is deprecated [-Wdeprecated-declarations]
                CAOpenGLLayer* l = ((CAOpenGLLayer*)layer);
                                     ^
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk/System/Library/Frameworks/QuartzCore.framework/Headers/CAOpenGLLayer.h:17:12: note: 'CAOpenGLLayer' has been explicitly marked deprecated here
@interface CAOpenGLLayer : CALayer
           ^
4 warnings generated.
[ 30%] Building CXX object external/crosswindow/CMakeFiles/CrossWindow.dir/src/CrossWindow/Common/Dialogs.cpp.o
[ 40%] Building CXX object external/crosswindow/CMakeFiles/CrossWindow.dir/src/CrossWindow/Common/Event.cpp.o
[ 50%] Building CXX object external/crosswindow/CMakeFiles/CrossWindow.dir/src/CrossWindow/Common/Init.cpp.o
[ 60%] Building CXX object external/crosswindow/CMakeFiles/CrossWindow.dir/src/CrossWindow/Common/WindowDesc.cpp.o
[ 70%] Linking CXX static library libCrossWindow.a
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib: file: libCrossWindow.a(Dialogs.cpp.o) has no symbols
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib: file: libCrossWindow.a(WindowDesc.cpp.o) has no symbols
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib: file: libCrossWindow.a(Dialogs.cpp.o) has no symbols
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib: file: libCrossWindow.a(WindowDesc.cpp.o) has no symbols
[ 70%] Built target CrossWindow
[ 80%] Building CXX object CMakeFiles/pp.dir/external/crosswindow/src/CrossWindow/Main/CocoaMain.mm.o
[ 90%] Building CXX object CMakeFiles/pp.dir/src/main.cpp.o
temp_dir/cross/src/main.cpp:35:48: error: no member named 'Mouse' in 'xwin::EventType'
            if (event.type == xwin::EventType::Mouse)
                              ~~~~~~~~~~~~~~~~~^
temp_dir/cross/src/main.cpp:37:29: error: no type named 'MouseData' in namespace 'xwin'
                const xwin::MouseData mouse = event.data.mouse;
                      ~~~~~~^
temp_dir/cross/src/main.cpp:37:58: error: no member named 'mouse' in 'xwin::EventData'
                const xwin::MouseData mouse = event.data.mouse;
                                              ~~~~~~~~~~ ^
3 errors generated.
make[2]: *** [CMakeFiles/pp.dir/src/main.cpp.o] Error 1
make[1]: *** [CMakeFiles/pp.dir/all] Error 2
make: *** [all] Error 2

I'll try one of your other examples later. In my current iteration I just need forms, trees (nice-to-have) and progress bars. So nothing fancy.

Oh thanks, that looks like an error on our end, I'm working on a patch to fix that and will edit this post when it's done.

EDIT: So this was an error in our intro docs actually, it's no longer called xwin::EventType::Mouse, but xwin::EventType::MouseMove.

That being said, there are some bindings missing with MacOS Cocoa related to this, so I'm still patching that in.