pkgs/development/python-modules/pyside2/nix_compile_cflags.patch

   1 diff --git a/sources/shiboken2/ApiExtractor/clangparser/compilersupport.cpp b/sources/shiboken2/ApiExtractor/clangparser/compilersupport.cpp
   2 index add278a..2626eb6 100644
   3 --- a/sources/shiboken2/ApiExtractor/clangparser/compilersupport.cpp
   4 +++ b/sources/shiboken2/ApiExtractor/clangparser/compilersupport.cpp
   5 @@ -349,11 +349,15 @@ QByteArrayList emulatedCompilerOptions()
   6
   7      // Append the c++ include paths since Clang is unable to find
   8      // <type_traits> etc (g++ 11.3).
   9 -    const HeaderPaths gppPaths = gppInternalIncludePaths(compilerFromCMake(QStringLiteral("g++")));
  10 +    const HeaderPaths gppPaths = gppInternalIncludePaths(QStringLiteral("g++"));
  11      for (const HeaderPath &h : gppPaths) {
  12 -        if (h.path.contains("c++")
  13 -            || h.path.contains("sysroot")) { // centOS
  14 +        // PySide2 requires that Qt headers are not -isystem
  15 +        // https://bugreports.qt.io/browse/PYSIDE-787
  16 +        if (!h.path.contains("-qt")) {
  17 +            // add using -isystem
  18              headerPaths.append(h);
  19 +        } else {
  20 +            headerPaths.append({h.path, HeaderType::Standard});
  21          }
  22      }
  23  #else