cmake 
-DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++ 
-DQT_BUILD_EXAMPLES=OFF -DCMAKE_BUILD_TYPE=Release 
-DFEATURE_separate_debug_info=OFF -DFEATURE_headersclean=ON 
-DOPENSSL_ROOT_DIR=/usr/local/opt/openssl 
-DODBC_ROOT=/usr/local/opt/libiodbc 
-DPostgreSQL_ROOT=/Applications/Postgres.app/Contents/Versions/9.6/bin/..
 -DQT_BUILD_TESTS=OFF -DBUILD_SHARED_LIBS=OFF /Users/qt/RTA/src-6.2.0 
-DCMAKE_INSTALL_PREFIX:PATH=/Users/qt/RTA/src-6.2.0/qtbase 
-DBUILD_qtwebengine=FALSE

qmldir file not found at "/Users/qt/RTA/tmp/quickwidget/QuickWidgetExample"
qmldir file not found at "/Users/qt/RTA/tmp/quickwidget/QuickWidgetExample"
-- Configuring done
CMake Error at /Users/qt/RTA/src-6.2.0/qtbase/lib/cmake/Qt6Core/Qt6CoreMacros.cmake:519 (add_executable):
  Target "quickwidget" links to target
  "WrapOpenSSLHeaders::WrapOpenSSLHeaders" but the target was not found.
  Perhaps a find_package() call is missing for an IMPORTED target, or an
  ALIAS target is missing?
Call Stack (most recent call first):
  /Users/qt/RTA/src-6.2.0/qtbase/lib/cmake/Qt6Core/Qt6CoreMacros.cmake:484 (_qt_internal_create_executable)
  /Users/qt/RTA/src-6.2.0/qtbase/lib/cmake/Qt6Core/Qt6CoreMacros.cmake:777 (qt6_add_executable)
  CMakeLists.txt:24 (qt_add_executable)
CMake Error at /Users/qt/RTA/src-6.2.0/qtbase/lib/cmake/Qt6Core/Qt6CoreMacros.cmake:519 (add_executable):
  Target "quickwidget" links to target
  "WrapOpenSSLHeaders::WrapOpenSSLHeaders" but the target was not found.
  Perhaps a find_package() call is missing for an IMPORTED target, or an
  ALIAS target is missing?
Call Stack (most recent call first):
  /Users/qt/RTA/src-6.2.0/qtbase/lib/cmake/Qt6Core/Qt6CoreMacros.cmake:484 (_qt_internal_create_executable)
  /Users/qt/RTA/src-6.2.0/qtbase/lib/cmake/Qt6Core/Qt6CoreMacros.cmake:777 (qt6_add_executable)
  CMakeLists.txt:24 (qt_add_executable)
-- Generating done
CMake Generate step failed.  Build files cannot be regenerated correctly