Integration with cpp-tools does not provide Mac frameworks

[rasky]

Brief Issue Summary

On macOS, it looks like cmake-tools does not correctly provide the C++ frameworks configuration to vscode cpp tools. An example would be developing a "hello world" using cmake and Qt installed via homebrew.

(Possibly duplicate of microsoft/vscode-cpptools#3323)

Expected:

0. Install Qt5 through homebrew (brew install qt).
1. Create a helloworld.cpp with Qt and related CMakeLists.txt (for instance: https://gist.github.com/rasky/19f6803ea6a6dde845bfdc138d93f0a1)
2. Set: "cmake.configureEnvironment": { "Qt5_DIR": "/usr/local/opt/qt5/lib/cmake" }. This step is required by homebrew and is expected (because homebrew has an opt-in approach to libraries, rather than installing them by default).
3. Run cmake configure
4. Confirm that you want cmake tools to provide configuration to Intellisense
5. Wait for Intellisense to come up.
6. Include lines should not have any error.

Apparent Behavior:

I see that the include lines have errors:

CMake Tools Log

CMake Tools Log

[main] Configuring folder: bugtest 
[driver] Removing /Users/rasky/Sources/bugtest/build/CMakeCache.txt
[driver] Removing /Users/rasky/Sources/bugtest/build/CMakeFiles
[proc] Executing command: /usr/local/bin/cmake --no-warn-unused-cli -DCMAKE_EXPORT_COMPILE_COMMANDS:BOOL=TRUE -DCMAKE_BUILD_TYPE:STRING=Debug -DCMAKE_C_COMPILER:FILEPATH=/usr/bin/clang -DCMAKE_CXX_COMPILER:FILEPATH=/usr/bin/clang++ -H/Users/rasky/Sources/bugtest -B/Users/rasky/Sources/bugtest/build -G "Unix Makefiles"
[cmake] Not searching for unused variables given on the command line.
[cmake] -- The C compiler identification is AppleClang 11.0.0.11000033
[cmake] -- The CXX compiler identification is AppleClang 11.0.0.11000033
[cmake] -- Check for working C compiler: /usr/bin/clang
[cmake] -- Check for working C compiler: /usr/bin/clang - works
[cmake] -- Detecting C compiler ABI info
[cmake] -- Detecting C compiler ABI info - done
[cmake] -- Detecting C compile features
[cmake] -- Detecting C compile features - done
[cmake] -- Check for working CXX compiler: /usr/bin/clang++
[cmake] -- Check for working CXX compiler: /usr/bin/clang++ - works
[cmake] -- Detecting CXX compiler ABI info
[cmake] -- Detecting CXX compiler ABI info - done
[cmake] -- Detecting CXX compile features
[cmake] -- Detecting CXX compile features - done
[cmake] -- Configuring done
[cmake] -- Generating done
[cmake] -- Build files have been written to: /Users/rasky/Sources/bugtest/build

CPP Logs

CPP debug Logs

Custom browse configuration received: {
  "browsePath": [
    "/users/rasky/sources/bugtest/build/helloworld_autogen/include",
    "/usr/local/opt/qt5/lib/qtwidgets.framework",
    "/usr/local/opt/qt5/lib/qtwidgets.framework/headers",
    "/usr/local/opt/qt5/lib/qtgui.framework",
    "/usr/local/opt/qt5/lib/qtgui.framework/headers",
    "/applications/xcode.app/contents/developer/platforms/macosx.platform/developer/sdks/macosx10.15.sdk/system/library/frameworks/opengl.framework/headers",
    "/usr/local/opt/qt5/lib/qtcore.framework",
    "/usr/local/opt/qt5/lib/qtcore.framework/headers",
    "/usr/local/opt/qt5/mkspecs/macx-clang",
    "/users/rasky/sources/bugtest/build/helloworld_autogen",
    "/users/rasky/sources/bugtest",
    "/users/rasky/sources/bugtest/build/cmakefiles"
  ],
  "standard": "c++17",
  "compilerPath": "/usr/bin/clang++",
  "compilerArgs": []
}
cpptools/didChangeCppProperties
Attempting to get defaults from C compiler in "compilerPath" property: '/usr/local/bin/gcc-10'
Compiler probe command line: "/usr/local/bin/gcc-10" -std=gnu17 -Wp,-v -E -dD -x c -m64  /dev/null
terminating child process: 94494
Code browsing service initialized
Attempting to get defaults from C++ compiler in "compilerPath" property: '/usr/local/bin/gcc-10'
Compiler probe command line: "/usr/local/bin/gcc-10" -std=gnu++14 -Wp,-v -E -dD -x c++ -m64  /dev/null
terminating child process: 94501
Custom configuration provider 'CMake Tools' registered
Custom browse configuration received: {
  "browsePath": [
    "/users/rasky/sources/bugtest/build/helloworld_autogen/include",
    "/usr/local/opt/qt5/lib/qtwidgets.framework",
    "/usr/local/opt/qt5/lib/qtwidgets.framework/headers",
    "/usr/local/opt/qt5/lib/qtgui.framework",
    "/usr/local/opt/qt5/lib/qtgui.framework/headers",
    "/applications/xcode.app/contents/developer/platforms/macosx.platform/developer/sdks/macosx10.15.sdk/system/library/frameworks/opengl.framework/headers",
    "/usr/local/opt/qt5/lib/qtcore.framework",
    "/usr/local/opt/qt5/lib/qtcore.framework/headers",
    "/usr/local/opt/qt5/mkspecs/macx-clang",
    "/users/rasky/sources/bugtest/build/helloworld_autogen",
    "/users/rasky/sources/bugtest",
    "/users/rasky/sources/bugtest/build/cmakefiles"
  ],
  "standard": "c++17",
  "compilerPath": "/usr/bin/clang++",
  "compilerArgs": []
}
  /Users/rasky/Sources/bugtest/** is not a directory
  Folder: /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/System/Library/Frameworks/Network.framework/Versions/A/Headers/ will be indexed
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cpptools/didChangeCustomBrowseConfiguration
Attempting to get defaults from C++ compiler in "compilerPath" property: '/usr/bin/clang++'
Probing compiler for default C language standard using command line: "/usr/bin/clang++" -x c -E -dM /dev/null

Platform and Versions

• Operating System: macOS 10.14.6
• CMake Version: 3.17.3
• VSCode Version: 1.50.1
• CMake Tools Extension Version: 1.4.2
• Compiler/Toolchain: Clang 11.0.0.

Other Notes/Information

On Mac, it is common to use "frameworks" as a way to bring in both include and library dependencies at the same time (this is a primer). Support for adding framework paths has been added to VSCode in microsoft/vscode-cpptools#970, by either simply listing framework paths among include paths, or adding a special option macFrameworkPath.

Unfortunately it seems that cmake tools isn't reading the framework paths from compile_commands.json (or from wherever it pulls the configuration from), and thus Intellisense is not aware of them.

This is the compile_commands.json generated by the example project:

[
{
  "directory": "/Users/rasky/Sources/bugtest/build",
  "command": "/usr/bin/clang++  -DQT_CORE_LIB -DQT_GUI_LIB -DQT_WIDGETS_LIB -I/Users/rasky/Sources/bugtest/build/helloworld_autogen/include -iframework /usr/local/opt/qt5/lib -isystem /usr/local/opt/qt5/lib/QtWidgets.framework/Headers -isystem /usr/local/opt/qt5/lib/QtGui.framework/Headers -isystem /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/System/Library/Frameworks/OpenGL.framework/Headers -isystem /usr/local/opt/qt5/lib/QtCore.framework/Headers -isystem /usr/local/opt/qt5/./mkspecs/macx-clang  -g -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk -mmacosx-version-min=10.14   -fPIC -std=gnu++11 -o CMakeFiles/helloworld.dir/helloworld_autogen/mocs_compilation.cpp.o -c /Users/rasky/Sources/bugtest/build/helloworld_autogen/mocs_compilation.cpp",
  "file": "/Users/rasky/Sources/bugtest/build/helloworld_autogen/mocs_compilation.cpp"
},
{
  "directory": "/Users/rasky/Sources/bugtest/build",
  "command": "/usr/bin/clang++  -DQT_CORE_LIB -DQT_GUI_LIB -DQT_WIDGETS_LIB -I/Users/rasky/Sources/bugtest/build/helloworld_autogen/include -iframework /usr/local/opt/qt5/lib -isystem /usr/local/opt/qt5/lib/QtWidgets.framework/Headers -isystem /usr/local/opt/qt5/lib/QtGui.framework/Headers -isystem /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/System/Library/Frameworks/OpenGL.framework/Headers -isystem /usr/local/opt/qt5/lib/QtCore.framework/Headers -isystem /usr/local/opt/qt5/./mkspecs/macx-clang  -g -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk -mmacosx-version-min=10.14   -fPIC -std=gnu++11 -o CMakeFiles/helloworld.dir/helloworld.cpp.o -c /Users/rasky/Sources/bugtest/helloworld.cpp",
  "file": "/Users/rasky/Sources/bugtest/helloworld.cpp"
}
]

You can see that one of the command line options provided to the compiler is -iframework /usr/local/opt/qt5/lib. Adding /usr/local/opt/qt5/lib to either the provided include paths or to the special macFrameworkPath would fix the bug.

[andreeis]

Thank you for your report. We are tracking this problem with #1178.