diff --git qtbase6-clean/cmake/QtMkspecHelpers.cmake qtbase6-workdir/cmake/QtMkspecHelpers.cmake
index 8b133d185b1a..bba52a0992f 100644
--- qtbase6-clean/cmake/QtMkspecHelpers.cmake
+++ qtbase6-workdir/cmake/QtMkspecHelpers.cmake
@@ -50,6 +50,12 @@ macro(qt_internal_setup_platform_definitions_and_mkspec)
         elseif(CLANG)
             set(QT_DEFAULT_MKSPEC linux-clang)
         endif()
+    elseif(ASTRAL)
+        if(GCC)
+            set(QT_DEFAULT_MKSPEC astral-g++)
+        else()
+            message(FATAL_ERROR "Unknown compiler in use!")
+        endif()
     elseif(ANDROID)
         if(GCC)
             set(QT_DEFAULT_MKSPEC android-g++)
diff --git qtbase6-clean/cmake/FindXKB_COMMON_X11.cmake qtbase6-workdir/cmake/FindXKB_COMMON_X11.cmake
index 550e7aef554..384c9ac107d 100644
--- qtbase6-clean/cmake/FindXKB_COMMON_X11.cmake
+++ qtbase6-workdir/cmake/FindXKB_COMMON_X11.cmake
@@ -5,6 +5,16 @@ find_package(PkgConfig QUIET)
 
 pkg_check_modules(XKB_COMMON_X11 IMPORTED_TARGET "xkbcommon-x11>=0.4.1")
 
-if (NOT TARGET PkgConfig::XKB_COMMON_X11)
-    set(XKB_COMMON_X11_FOUND 0)
+if(NOT TARGET PkgConfig::XKB_COMMON_X11)
+    find_path(XKB_COMMON_X11_INCLUDE_DIR xkbcommon/xkbcommon-x11.h)
+    find_library(XKB_COMMON_X11_LIBRARY xkbcommon-x11)
+
+    if(XKB_COMMON_X11_INCLUDE_DIR AND XKB_COMMON_X11_LIBRARY)
+        add_library(PkgConfig::XKB_COMMON_X11 INTERFACE IMPORTED)
+        target_include_directories(PkgConfig::XKB_COMMON_X11 INTERFACE "${XKB_COMMON_X11_INCLUDE_DIR}")
+        target_link_libraries(PkgConfig::XKB_COMMON_X11 INTERFACE "${XKB_COMMON_X11_LIBRARY}")
+        set(XKB_COMMON_X11_FOUND 1)
+    else()
+        set(XKB_COMMON_X11_FOUND 0)
+    endif()
 endif()
diff --git qtbase6-clean/cmake/QtPlatformSupport.cmake qtbase6-workdir/cmake/QtPlatformSupport.cmake
index 071711a5bd57..19492801c5f 100644
--- qtbase6-clean/cmake/QtPlatformSupport.cmake
+++ qtbase6-workdir/cmake/QtPlatformSupport.cmake
@@ -7,6 +7,12 @@ else()
     set(LINUX 0)
 endif()
 
+if(CMAKE_SYSTEM_NAME STREQUAL "Astral")
+    set(ASTRAL 1)
+else()
+    set(ASTRAL 0)
+endif()
+
 if(CMAKE_SYSTEM_NAME STREQUAL "HPUX")
     set(HPUX 1)
 else()
diff --git qtbase6-clean/mkspecs/common/astral.conf qtbase6-workdir/mkspecs/common/astral.conf
new file mode 100644
index 00000000000..c5c66a644fe
--- /dev/null
+++ qtbase6-workdir/mkspecs/common/astral.conf
@@ -0,0 +1,40 @@
+#
+# qmake configuration for common Astral targets
+#
+
+QMAKE_PLATFORM         += astral
+
+include(unix.conf)
+
+QMAKE_CFLAGS_THREAD    += -D_REENTRANT
+QMAKE_CXXFLAGS_THREAD  += $$QMAKE_CFLAGS_THREAD
+QMAKE_LFLAGS_GCSECTIONS = -Wl,--gc-sections
+
+QMAKE_LFLAGS_REL_RPATH  = -Wl,-z,origin
+QMAKE_REL_RPATH_BASE    = $ORIGIN
+
+QMAKE_INCDIR            =
+QMAKE_LIBDIR            =
+QMAKE_INCDIR_X11        =
+QMAKE_LIBDIR_X11        =
+QMAKE_INCDIR_OPENGL     =
+QMAKE_LIBDIR_OPENGL     =
+QMAKE_INCDIR_OPENGL_ES2 = $$QMAKE_INCDIR_OPENGL
+QMAKE_LIBDIR_OPENGL_ES2 = $$QMAKE_LIBDIR_OPENGL
+QMAKE_INCDIR_EGL        =
+QMAKE_LIBDIR_EGL        =
+
+QMAKE_LIBS              =
+QMAKE_LIBS_DYNLOAD      = -ldl
+QMAKE_LIBS_X11          = -lXext -lX11 -lm
+QMAKE_LIBS_EGL          = -lEGL
+QMAKE_LIBS_OPENGL       = -lGL
+QMAKE_LIBS_OPENGL_ES2   = -lGLESv2
+QMAKE_LIBS_THREAD       = -lpthread
+QMAKE_LIBS_VULKAN       =
+
+QMAKE_AR                = ar cqs
+QMAKE_OBJCOPY           = objcopy
+QMAKE_NM                = nm -P
+QMAKE_RANLIB            =
+
+QMAKE_STRIP             = strip
+QMAKE_STRIPFLAGS_LIB   += --strip-unneeded
diff --git qtbase6-clean/mkspecs/common/posix/qplatformdefs.h qtbase6-workdir/mkspecs/common/posix/qplatformdefs.h
index e7ce7a568db..6905c72ff2a 100644
--- qtbase6-clean/mkspecs/common/posix/qplatformdefs.h
+++ qtbase6-workdir/mkspecs/common/posix/qplatformdefs.h
@@ -12,7 +12,7 @@
 #endif
 #include <sys/stat.h>
 
-#if defined(QT_USE_XOPEN_LFS_EXTENSIONS) && defined(QT_LARGEFILE_SUPPORT)
+#if defined(QT_USE_XOPEN_LFS_EXTENSIONS) && defined(QT_LARGEFILE_SUPPORT) && !defined(__astral__)
 
 #define QT_STATBUF              struct stat64
 #define QT_FPOS_T               fpos64_t
@@ -105,7 +105,7 @@
 
 #if defined(QT_LARGEFILE_SUPPORT) \
         && defined(QT_USE_XOPEN_LFS_EXTENSIONS) \
-        && !defined(QT_NO_READDIR64)
+        && !defined(QT_NO_READDIR64) && !defined(__astral__)
 #define QT_DIRENT               struct dirent64
 #define QT_READDIR              ::readdir64
 #else
diff --git qtbase6-clean/mkspecs/astral-g++/qmake.conf qtbase6-workdir/mkspecs/astral-g++/qmake.conf
new file mode 100644
index 00000000000..b795ca5e83e
--- /dev/null
+++ qtbase6-workdir/mkspecs/astral-g++/qmake.conf
@@ -0,0 +1,12 @@
+#
+# qmake configuration for astral-g++
+#
+
+MAKEFILE_GENERATOR      = UNIX
+CONFIG                 += incremental
+QMAKE_INCREMENTAL_STYLE = sublib
+
+include(../common/astral.conf)
+include(../common/gcc-base-unix.conf)
+include(../common/g++-unix.conf)
+load(qt_config)
diff --git qtbase6-clean/mkspecs/astral-g++/qplatformdefs.h qtbase6-workdir/mkspecs/astral-g++/qplatformdefs.h
new file mode 100644
index 00000000000..dfe7b5517af
--- /dev/null
+++ qtbase6-workdir/mkspecs/astral-g++/qplatformdefs.h
@@ -0,0 +1,36 @@
+#ifndef QPLATFORMDEFS_H
+#define QPLATFORMDEFS_H
+
+#include "qglobal.h"
+
+#ifndef _GNU_SOURCE
+#  define _GNU_SOURCE
+#endif
+
+#include <unistd.h>
+#include <pthread.h>
+#include <dirent.h>
+#include <fcntl.h>
+#include <grp.h>
+#include <pwd.h>
+#include <signal.h>
+
+#include <sys/types.h>
+#include <sys/ioctl.h>
+#include <sys/ipc.h>
+#include <sys/time.h>
+#include <sys/shm.h>
+#include <sys/socket.h>
+#include <sys/stat.h>
+#include <sys/wait.h>
+#include <netinet/in.h>
+
+#define QT_USE_XOPEN_LFS_EXTENSIONS
+#include "../common/posix/qplatformdefs.h"
+
+#if defined(_XOPEN_SOURCE) && (_XOPEN_SOURCE >= 500)
+#define QT_SNPRINTF             ::snprintf
+#define QT_VSNPRINTF            ::vsnprintf
+#endif
+
+#endif
diff --git qtbase6-clean/src/corelib/global/qsystemdetection.h qtbase6-workdir/src/corelib/global/qsystemdetection.h
index bd1ef8dd747..c3e44603381 100644
--- qtbase6-clean/src/corelib/global/qsystemdetection.h
+++ qtbase6-workdir/src/corelib/global/qsystemdetection.h
@@ -129,6 +129,8 @@
 #  define Q_OS_VXWORKS
 #elif defined(__HAIKU__)
 #  define Q_OS_HAIKU
+#elif defined(__astral__)
+#  define Q_OS_ASTRAL
 #elif defined(__MAKEDEPEND__)
 #else
 #  error "Qt has not been ported to this OS - see http://www.qt-project.org/"
diff --git qtbase6-clean/src/corelib/io/qfilesystemwatcher.cpp qtbase6-workdir/src/corelib/io/qfilesystemwatcher.cpp
index cd72f21acdf..1750ab94584 100644
--- qtbase6-clean/src/corelib/io/qfilesystemwatcher.cpp
+++ qtbase6-workdir/src/corelib/io/qfilesystemwatcher.cpp
@@ -11,7 +11,7 @@
 #include <qloggingcategory.h>
 #include <qset.h>
 
-#if (defined(Q_OS_LINUX) || defined(Q_OS_QNX)) && QT_CONFIG(inotify)
+#if (defined(Q_OS_LINUX) || defined(Q_OS_QNX) || defined(Q_OS_ASTRAL)) && QT_CONFIG(inotify)
 #define USE_INOTIFY
 #endif
 
diff --git qtbase6-clean/src/corelib/io/qstorageinfo_unix.cpp qtbase6-workdir/src/corelib/io/qstorageinfo_unix.cpp
index 34ba7b9682b..744bf1bf710 100644
--- qtbase6-clean/src/corelib/io/qstorageinfo_unix.cpp
+++ qtbase6-workdir/src/corelib/io/qstorageinfo_unix.cpp
@@ -54,6 +54,9 @@
 #elif defined(Q_OS_HAIKU) || defined(Q_OS_CYGWIN)
 #  define QT_STATFSBUF struct statvfs
 #  define QT_STATFS    ::statvfs
+#elif defined(Q_OS_ASTRAL)
+#  define QT_STATFSBUF struct statvfs
+#  define QT_STATFS    ::statvfs
 #else
 #  if defined(QT_LARGEFILE_SUPPORT)
 #    define QT_STATFSBUF struct statvfs64
diff --git qtbase6-clean/src/corelib/thread/qthread_unix.cpp qtbase6-workdir/src/corelib/thread/qthread_unix.cpp
index 00d2b87b7ea..b9f8145746b 100644
--- qtbase6-clean/src/corelib/thread/qthread_unix.cpp
+++ qtbase6-workdir/src/corelib/thread/qthread_unix.cpp
@@ -844,7 +844,7 @@ void QThread::start(Priority priority)
 
 
     if (d->stackSize > 0) {
-#if defined(_POSIX_THREAD_ATTR_STACKSIZE) && (_POSIX_THREAD_ATTR_STACKSIZE-0 > 0)
+#if (defined(_POSIX_THREAD_ATTR_STACKSIZE) && (_POSIX_THREAD_ATTR_STACKSIZE-0 > 0)) || defined(__astral__)
         int code = pthread_attr_setstacksize(&attr, d->stackSize);
 #else
         int code = ENOSYS; // stack size not supported, automatically fail
diff --git qtbase6-clean/src/gui/configure.cmake qtbase6-workdir/src/gui/configure.cmake
index e34f4d8b30a..ab7d9cf0e78 100644
--- qtbase6-clean/src/gui/configure.cmake
+++ qtbase6-workdir/src/gui/configure.cmake
@@ -28,7 +28,7 @@ set_property(CACHE INPUT_libpng PROPERTY STRINGS undefined no qt system)
 
 
 #### Libraries
-if(LINUX OR HPUX OR FREEBSD OR NETBSD OR OPENBSD OR SOLARIS OR HURD)
+if(LINUX OR HPUX OR FREEBSD OR NETBSD OR OPENBSD OR SOLARIS OR HURD OR ASTRAL)
     set(X11_SUPPORTED 1)
 else()
     set(X11_SUPPORTED 0)
diff --git qtbase6-clean/src/network/kernel/qnetworkinterface_unix.cpp qtbase6-workdir/src/network/kernel/qnetworkinterface_unix.cpp
index 5313e1707dc..47d7c320129 100644
--- qtbase6-clean/src/network/kernel/qnetworkinterface_unix.cpp
+++ qtbase6-workdir/src/network/kernel/qnetworkinterface_unix.cpp
@@ -20,6 +20,10 @@
 #elif defined(Q_OS_FREEBSD) || defined(Q_OS_NETBSD) || defined(Q_OS_OPENBSD) || defined(Q_OS_DARWIN)
 # include <ifaddrs.h>
 #endif
+
+#ifdef Q_OS_ASTRAL
+# include <linux/sockios.h>
+#endif
 
 #ifdef QT_LINUXBASE
 #  include <arpa/inet.h>