diff --git a/x11-packages/qt5-qtbase/build.sh b/x11-packages/qt5-qtbase/build.sh
new file mode 100644
index 000000000..90bf7e795
--- /dev/null
+++ b/x11-packages/qt5-qtbase/build.sh
@@ -0,0 +1,218 @@
+TERMUX_PKG_HOMEPAGE=https://www.qt.io/
+TERMUX_PKG_DESCRIPTION="A cross-platform application and UI framework"
+TERMUX_PKG_LICENSE="LGPL-3.0"
+TERMUX_PKG_MAINTAINER="Simeon Huang <symeon@librehat.com>"
+TERMUX_PKG_VERSION=5.12.11
+TERMUX_PKG_REVISION=3
+TERMUX_PKG_SRCURL="https://download.qt.io/official_releases/qt/5.12/${TERMUX_PKG_VERSION}/submodules/qtbase-everywhere-src-${TERMUX_PKG_VERSION}.tar.xz"
+TERMUX_PKG_SHA256=1c1b4e33137ca77881074c140d54c3c9747e845a31338cfe8680f171f0bc3a39
+TERMUX_PKG_DEPENDS="dbus, double-conversion, harfbuzz, libandroid-shmem, libc++, libice, libicu, libjpeg-turbo, libpng, libsm, libuuid, libx11, libxcb, libxi, libxkbcommon, openssl, pcre2, ttf-dejavu, freetype, xcb-util-image, xcb-util-keysyms, xcb-util-renderutil, xcb-util-wm, zlib, glib"
+# gtk3 dependency is a run-time dependency only for the gtk platformtheme subpackage
+TERMUX_PKG_BUILD_DEPENDS="gtk3"
+TERMUX_PKG_BUILD_IN_SRC=true
+TERMUX_PKG_NO_STATICSPLIT=true
+
+TERMUX_PKG_RM_AFTER_INSTALL="
+bin/fixqt4headers.pl
+bin/syncqt.pl
+"
+
+# Replacing the old qt5-base packages
+TERMUX_PKG_REPLACES="qt5-base"
+TERMUX_PKG_BREAKS="qt5-x11extras, qt5-tools, qt5-declarative"
+
+termux_step_pre_configure () {
+    if [ "${TERMUX_ARCH}" = "arm" ]; then
+        ## -mfpu=neon causes build failure on ARM.
+        CFLAGS="${CFLAGS/-mfpu=neon/} -mfpu=vfp"
+        CXXFLAGS="${CXXFLAGS/-mfpu=neon/} -mfpu=vfp"
+    fi
+
+    ## Create qmake.conf suitable for cross-compiling.
+    sed \
+        -e "s|@TERMUX_PREFIX@|${TERMUX_PREFIX}|g" \
+        -e "s|@TERMUX_CC@|${TERMUX_HOST_PLATFORM}-clang|" \
+        -e "s|@TERMUX_CXX@|${TERMUX_HOST_PLATFORM}-clang++|" \
+        -e "s|@TERMUX_AR@|llvm-ar|" \
+        -e "s|@TERMUX_NM@|llvm-nm|" \
+        -e "s|@TERMUX_OBJCOPY@|llvm-objcopy|" \
+        -e "s|@TERMUX_PKGCONFIG@|${TERMUX_HOST_PLATFORM}-pkg-config|" \
+        -e "s|@TERMUX_STRIP@|llvm-strip|" \
+        -e "s|@TERMUX_CFLAGS@|${CPPFLAGS} ${CFLAGS}|" \
+        -e "s|@TERMUX_CXXFLAGS@|${CPPFLAGS} ${CXXFLAGS}|" \
+        -e "s|@TERMUX_LDFLAGS@|${LDFLAGS}|" \
+        "${TERMUX_PKG_BUILDER_DIR}/qmake.conf" > "${TERMUX_PKG_SRCDIR}/mkspecs/termux-cross/qmake.conf"
+}
+
+termux_step_configure () {
+    unset CC CXX LD CFLAGS LDFLAGS PKG_CONFIG_PATH
+
+    "${TERMUX_PKG_SRCDIR}"/configure -v \
+        -opensource \
+        -confirm-license \
+        -release \
+        -optimized-tools \
+        -xplatform termux-cross \
+        -shared \
+        -no-rpath \
+        -no-use-gold-linker \
+        -prefix "${TERMUX_PREFIX}" \
+        -docdir "${TERMUX_PREFIX}/share/doc/qt" \
+        -archdatadir "${TERMUX_PREFIX}/lib/qt" \
+        -datadir "${TERMUX_PREFIX}/share/qt" \
+        -plugindir "${TERMUX_PREFIX}/libexec/qt" \
+        -hostbindir "${TERMUX_PREFIX}/opt/qt/cross/bin" \
+        -hostlibdir "${TERMUX_PREFIX}/opt/qt/cross/lib" \
+        -I "${TERMUX_PREFIX}/include" \
+        -I "${TERMUX_PREFIX}/include/glib-2.0" \
+        -I "${TERMUX_PREFIX}/lib/glib-2.0/include" \
+        -I "${TERMUX_PREFIX}/include/gio-unix-2.0" \
+        -I "${TERMUX_PREFIX}/include/cairo" \
+        -I "${TERMUX_PREFIX}/include/pango-1.0" \
+        -I "${TERMUX_PREFIX}/include/fribidi" \
+        -I "${TERMUX_PREFIX}/include/harfbuzz" \
+        -I "${TERMUX_PREFIX}/include/atk-1.0" \
+        -I "${TERMUX_PREFIX}/include/pixman-1" \
+        -I "${TERMUX_PREFIX}/include/uuid" \
+        -I "${TERMUX_PREFIX}/include/libxml2" \
+        -I "${TERMUX_PREFIX}/include/freetype2" \
+        -I "${TERMUX_PREFIX}/include/gdk-pixbuf-2.0" \
+        -I "${TERMUX_PREFIX}/include/gtk-3.0" \
+        -L "${TERMUX_PREFIX}/lib" \
+        -nomake examples \
+        -no-pch \
+        -no-accessibility \
+        -glib \
+        -gtk \
+        -icu \
+        -system-doubleconversion \
+        -system-pcre \
+        -system-zlib \
+        -system-freetype \
+        -ssl \
+        -openssl-linked \
+        -no-system-proxies \
+        -no-cups \
+        -system-harfbuzz \
+        -no-opengl \
+        -no-vulkan \
+        -qpa xcb \
+        -no-eglfs \
+        -no-gbm \
+        -no-kms \
+        -no-linuxfb \
+        -no-mirclient \
+        -no-libudev \
+        -no-evdev \
+        -no-libinput \
+        -no-mtdev \
+        -no-tslib \
+        -system-xcb \
+        -no-xcb-xinput \
+        -gif \
+        -system-libpng \
+        -system-libjpeg \
+        -system-sqlite \
+        -sql-sqlite \
+        -no-feature-systemsemaphore
+}
+
+termux_step_post_make_install() {
+    #######################################################
+    ##
+    ##  Compiling necessary libraries for target.
+    ##
+    #######################################################
+    cd "${TERMUX_PKG_SRCDIR}/src/tools/bootstrap" && {
+        make clean
+
+        "${TERMUX_PREFIX}/opt/qt/cross/bin/qmake" \
+            -spec "${TERMUX_PKG_SRCDIR}/mkspecs/termux-cross" \
+            DEFINES+="QT_NO_SYSTEMSEMAPHORE"
+
+        make -j "${TERMUX_MAKE_PROCESSES}"
+        install -Dm644 ../../../lib/libQt5Bootstrap.a "${TERMUX_PREFIX}/lib/libQt5Bootstrap.a"
+        install -Dm644 ../../../lib/libQt5Bootstrap.prl "${TERMUX_PREFIX}/lib/libQt5Bootstrap.prl"
+    }
+    cd "${TERMUX_PKG_SRCDIR}/src/tools/bootstrap-dbus" && {
+        # create the dbus bootstrap archieve but we don't need to install this
+        make clean
+
+        "${TERMUX_PREFIX}/opt/qt/cross/bin/qmake" \
+            -spec "${TERMUX_PKG_SRCDIR}/mkspecs/termux-cross"
+
+        make -j "${TERMUX_MAKE_PROCESSES}"
+    }
+
+    #######################################################
+    ##
+    ##  Compiling necessary programs for target.
+    ##
+    #######################################################
+    ## Note: qmake can be built only on host so it is omitted here.
+    for i in moc qlalr qvkgen rcc uic qdbuscpp2xml qdbusxml2cpp; do
+        cd "${TERMUX_PKG_SRCDIR}/src/tools/${i}" && {
+            make clean
+
+            "${TERMUX_PREFIX}/opt/qt/cross/bin/qmake" \
+                -spec "${TERMUX_PKG_SRCDIR}/mkspecs/termux-cross"
+
+            ## Ensure that no '-lpthread' specified in makefile.
+            sed \
+                -i 's@-lpthread@@g' \
+                Makefile
+
+            ## Fix build failure on at least 'i686'.
+            sed \
+                -i 's@$(LINK) $(LFLAGS) -o $(TARGET) $(OBJECTS) $(OBJCOMP) $(LIBS)@$(LINK) -o $(TARGET) $(OBJECTS) $(OBJCOMP) $(LIBS) $(LFLAGS) -lz@g' \
+                Makefile
+
+            make -j "${TERMUX_MAKE_PROCESSES}"
+            install -Dm700 "../../../bin/${i}" "${TERMUX_PREFIX}/bin/${i}"
+        }
+    done
+    unset i
+
+
+    ## Unpacking prebuilt qmake from archive.
+    cd "${TERMUX_PKG_SRCDIR}" && {
+        tar xf "${TERMUX_PKG_BUILDER_DIR}/prebuilt.tar.xz"
+        install \
+            -Dm700 "${TERMUX_PKG_SRCDIR}/bin/qmake-${TERMUX_HOST_PLATFORM}" \
+            "${TERMUX_PREFIX}/bin/qmake"
+    }
+
+    #######################################################
+    ##
+    ##  Fixes & cleanup.
+    ##
+    #######################################################
+
+    # Limit the scope, otherwise it'll touch other Qt files in a dirty host env
+    for i in Bootstrap Concurrent Core DBus DeviceDiscoverySupport EdidSupport EventDispatcherSupport FbSupport FontDatabaseSupport Gui InputSupport Network PrintSupport ServiceSupport Sql Test ThemeSupport Widget XcbQpa XkbCommonSupport Xml Zlib; do
+        ## Drop QMAKE_PRL_BUILD_DIR because reference the build dir.
+        find "${TERMUX_PREFIX}/lib" -type f -name "libQt5${i}.prl" \
+            -exec sed -i -e '/^QMAKE_PRL_BUILD_DIR/d' "{}" \;
+    done
+    unset i
+    sed -i -e '/^QMAKE_PRL_BUILD_DIR/d' "${TERMUX_PREFIX}/opt/qt/cross/lib/libQt5Bootstrap.prl"
+
+    ## Remove *.la files.
+    find "${TERMUX_PREFIX}/lib" -iname \*.la -delete
+    find "${TERMUX_PREFIX}/opt/qt/cross/lib" -iname \*.la -delete
+
+    ## Create qmake.conf suitable for compiling host tools (for other modules)
+    install -Dm644 \
+        "${TERMUX_PKG_BUILDER_DIR}/qplatformdefs.host.h" \
+        "${TERMUX_PREFIX}/lib/qt/mkspecs/termux-host/qplatformdefs.h"
+    sed \
+        -e "s|@TERMUX_PREFIX@|${TERMUX_PREFIX}|g" \
+        "${TERMUX_PKG_BUILDER_DIR}/qmake.host.conf" > "${TERMUX_PREFIX}/lib/qt/mkspecs/termux-host/qmake.conf"
+}
+
+termux_step_create_debscripts() {
+    # Some clean-up is happening via `postinst`
+    # Because we're using this package in both host (Ubuntu glibc) and device (Termux)
+    cp -f "${TERMUX_PKG_BUILDER_DIR}/postinst" ./
+}
+
diff --git a/x11-packages/qt5-qtbase/glib_gtk_detection_without_pkgconfig.patch b/x11-packages/qt5-qtbase/glib_gtk_detection_without_pkgconfig.patch
new file mode 100644
index 000000000..21e8be21b
--- /dev/null
+++ b/x11-packages/qt5-qtbase/glib_gtk_detection_without_pkgconfig.patch
@@ -0,0 +1,24 @@
+--- src/src/corelib/configure.json	2020-09-21 13:16:21.000000000 +0000
++++ src.mod/src/corelib/configure.json	2021-05-18 13:05:04.670547308 +0000
+@@ -44,7 +44,8 @@
+             },
+             "headers": "glib.h",
+             "sources": [
+-                { "type": "pkgConfig", "args": "glib-2.0 gthread-2.0" }
++                { "type": "pkgConfig", "args": "glib-2.0 gthread-2.0" },
++                { "libs": "-lgthread-2.0 -lglib-2.0" }
+             ]
+         },
+         "posix_iconv": {
+--- src/src/widgets/configure.json	2020-09-21 13:16:21.000000000 +0000
++++ src.mod/src/widgets/configure.json	2021-05-18 13:07:19.325327327 +0000
+@@ -21,7 +21,8 @@
+         "gtk3": {
+             "label": "GTK+ >= 3.6",
+             "sources": [
+-                { "type": "pkgConfig", "args": "gtk+-3.0 >= 3.6" }
++                { "type": "pkgConfig", "args": "gtk+-3.0 >= 3.6" },
++                { "libs": "-lgtk-3 -lgdk-3 -lpangocairo-1.0 -lpango-1.0 -lharfbuzz -latk-1.0 -lcairo-gobject -lcairo -lgdk_pixbuf-2.0 -lgio-2.0 -lgobject-2.0 -lglib-2.0" }
+             ]
+         }
+     },
diff --git a/x11-packages/qt5-qtbase/postinst b/x11-packages/qt5-qtbase/postinst
new file mode 100755
index 000000000..27ea8b53a
--- /dev/null
+++ b/x11-packages/qt5-qtbase/postinst
@@ -0,0 +1,34 @@
+#!/data/data/com.termux/files/usr/bin/sh
+
+PREFIX="/data/data/com.termux/files/usr"
+
+if [ `uname -o` = 'Android' ]; then
+    echo "Patching Qt installation configuration files ..."
+
+    ## Set qt spec path suitable for target.
+    sed -i \
+        's|/lib/qt//mkspecs/termux-cross"|/lib/qt/mkspecs/termux"|g' \
+        "${PREFIX}/lib/cmake/Qt5Core/Qt5CoreConfigExtrasMkspecDir.cmake"
+
+    ## Make sure the cmake configurations point to the on-device programs instead of the host tools
+    for i in Core DBus Widgets; do
+        sed -i \
+            's|install_prefix}/opt/qt/cross/|install_prefix}/|g' \
+            "${PREFIX}/lib/cmake/Qt5${i}/Qt5${i}ConfigExtras.cmake"
+    done
+    unset i
+fi
+
+
+## FIXME: Qt should be built with fontconfig somehow instead
+## of using direct path to fonts.
+## Currently, using post-installation script to create symlink
+## from /system/bin/fonts to $PREFIX/lib/fonts if possible.
+if [ ! -e "${PREFIX}/lib/fonts" ]; then
+    ln -sf "${PREFIX}/share/fonts/TTF" "${PREFIX}/lib/fonts"
+else
+    if [ -h "${PREFIX}/lib/fonts" ]; then
+        rm -f "${PREFIX}/lib/fonts"
+        ln -sf "${PREFIX}/share/fonts/TTF" "${PREFIX}/lib/fonts"
+    fi
+fi
diff --git a/x11-packages/qt5-qtbase/prebuilt.tar.xz b/x11-packages/qt5-qtbase/prebuilt.tar.xz
new file mode 100644
index 000000000..0bbed1d5b
Binary files /dev/null and b/x11-packages/qt5-qtbase/prebuilt.tar.xz differ
diff --git a/x11-packages/qt5-qtbase/qmake.conf b/x11-packages/qt5-qtbase/qmake.conf
new file mode 100644
index 000000000..d27ac99e4
--- /dev/null
+++ b/x11-packages/qt5-qtbase/qmake.conf
@@ -0,0 +1,34 @@
+QT_QPA_DEFAULT_PLATFORM = xcb
+
+MAKEFILE_GENERATOR      = UNIX
+CONFIG                 += incremental
+QMAKE_INCREMENTAL_STYLE = sublib
+
+include(../common/linux.conf)
+include(../common/gcc-base-unix.conf)
+include(../common/clang.conf)
+
+QMAKE_INCDIR           += @TERMUX_PREFIX@/include/glib-2.0
+QMAKE_INCDIR           += @TERMUX_PREFIX@/lib/glib-2.0/include
+
+QMAKE_CC                = @TERMUX_CC@
+QMAKE_CXX               = @TERMUX_CXX@
+QMAKE_LINK              = $${QMAKE_CXX}
+QMAKE_LINK_SHLIB        = $${QMAKE_CXX}
+QMAKE_AR                = @TERMUX_AR@ cqs
+QMAKE_NM                = @TERMUX_NM@ -P
+QMAKE_OBJCOPY           = @TERMUX_OBJCOPY@
+QMAKE_PKG_CONFIG        = @TERMUX_PKGCONFIG@
+QMAKE_STRIP             = @TERMUX_STRIP@
+
+QMAKE_CFLAGS           += @TERMUX_CFLAGS@
+QMAKE_CXXFLAGS         += @TERMUX_CXXFLAGS@
+QMAKE_LFLAGS           += -landroid-shmem @TERMUX_LDFLAGS@
+QMAKE_LFLAGS_SHLIB     += -shared
+QMAKE_LFLAGS_PLUGIN    += -shared
+
+## Should be -lpthread, but Termux does not provide
+## libpthread.so library.
+QMAKE_LIBS_THREAD       =
+
+load(qt_config)
diff --git a/x11-packages/qt5-qtbase/qmake.host.conf b/x11-packages/qt5-qtbase/qmake.host.conf
new file mode 100644
index 000000000..e4d88a48b
--- /dev/null
+++ b/x11-packages/qt5-qtbase/qmake.host.conf
@@ -0,0 +1,16 @@
+# This configuration is for the termux builder (Ubuntu glibc)
+QT_QPA_DEFAULT_PLATFORM = xcb
+
+MAKEFILE_GENERATOR      = UNIX
+CONFIG                 += incremental
+QMAKE_INCREMENTAL_STYLE = sublib
+
+include(../common/linux.conf)
+include(../common/gcc-base-unix.conf)
+include(../common/g++-unix.conf)
+
+QMAKE_INCDIR           += @TERMUX_PREFIX@/include
+QMAKE_INCDIR           += @TERMUX_PREFIX@/include/glib-2.0
+QMAKE_INCDIR           += @TERMUX_PREFIX@/lib/glib-2.0/include
+
+load(qt_config)
diff --git a/x11-packages/qt5-qtbase/qplatformdefs.host.h b/x11-packages/qt5-qtbase/qplatformdefs.host.h
new file mode 100644
index 000000000..9ef16d7cf
--- /dev/null
+++ b/x11-packages/qt5-qtbase/qplatformdefs.host.h
@@ -0,0 +1,4 @@
+#include "../android-clang/qplatformdefs.h"
+#define fseeko64 fseeko
+#define ftello64 ftello
+#define fopen64 fopen
diff --git a/x11-packages/qt5-qtbase/qt5-qtbase-cross-tools.subpackage.sh b/x11-packages/qt5-qtbase/qt5-qtbase-cross-tools.subpackage.sh
new file mode 100644
index 000000000..07121175f
--- /dev/null
+++ b/x11-packages/qt5-qtbase/qt5-qtbase-cross-tools.subpackage.sh
@@ -0,0 +1,8 @@
+TERMUX_SUBPKG_DESCRIPTION="Tools for cross build on the host (NOT for Termux)"
+TERMUX_SUBPKG_DEPENDS="qt5-qtbase"
+TERMUX_SUBPKG_INCLUDE="
+opt/qt/cross/bin/*
+opt/qt/cross/lib/*
+lib/qt/mkspecs/termux-cross/*
+lib/qt/mkspecs/termux-host/*
+"
diff --git a/x11-packages/qt5-qtbase/qt5-qtbase-gtk-platformtheme.subpackage.sh b/x11-packages/qt5-qtbase/qt5-qtbase-gtk-platformtheme.subpackage.sh
new file mode 100644
index 000000000..3207c7644
--- /dev/null
+++ b/x11-packages/qt5-qtbase/qt5-qtbase-gtk-platformtheme.subpackage.sh
@@ -0,0 +1,6 @@
+TERMUX_SUBPKG_DESCRIPTION="GTK+ 3 platform theme for Qt 5"
+TERMUX_SUBPKG_DEPENDS="qt5-qtbase, gtk3"
+TERMUX_SUBPKG_INCLUDE="
+libexec/qt/platformthemes/libqgtk3.so
+lib/cmake/Qt5Gui/Qt5Gui_QGtk3ThemePlugin.cmake
+"
diff --git a/x11-packages/qt5-qtbase/qtbase-src_corelib_io_qfilesystemengine_unix_android_defs.patch b/x11-packages/qt5-qtbase/qtbase-src_corelib_io_qfilesystemengine_unix_android_defs.patch
new file mode 100644
index 000000000..3144d47f9
--- /dev/null
+++ b/x11-packages/qt5-qtbase/qtbase-src_corelib_io_qfilesystemengine_unix_android_defs.patch
@@ -0,0 +1,47 @@
+--- src/src/corelib/io/qfilesystemengine_unix.cpp	2020-09-21 13:16:21.000000000 +0000
++++ src.mod/src/corelib/io/qfilesystemengine_unix.cpp	2021-05-06 16:16:02.735214214 +0000
+@@ -95,7 +95,7 @@
+ #endif
+ #endif
+ 
+-#if defined(Q_OS_ANDROID)
++#if defined(Q_OS_ANDROID) || defined(__ANDROID__)
+ // statx() is disabled on Android because quite a few systems
+ // come with sandboxes that kill applications that make system calls outside a
+ // whitelist and several Android vendors can't be bothered to update the list.
+@@ -109,7 +109,7 @@
+ QT_BEGIN_NAMESPACE
+ 
+ enum {
+-#ifdef Q_OS_ANDROID
++#if defined(Q_OS_ANDROID) || defined(__ANDROID__)
+     // On Android, the link(2) system call has been observed to always fail
+     // with EACCES, regardless of whether there are permission problems or not.
+     SupportsHardlinking = false
+@@ -690,7 +690,7 @@
+     if (entry.isRoot())
+         return entry;
+ 
+-#if !defined(Q_OS_MAC) && !defined(Q_OS_QNX) && !defined(Q_OS_ANDROID) && !defined(Q_OS_HAIKU) && _POSIX_VERSION < 200809L
++#if !defined(Q_OS_MAC) && !defined(Q_OS_QNX) && !defined(Q_OS_ANDROID) && !defined(__ANDROID__) && !defined(Q_OS_HAIKU) && _POSIX_VERSION < 200809L
+     // realpath(X,0) is not supported
+     Q_UNUSED(data);
+     return QFileSystemEntry(slowCanonicalized(absoluteName(entry).filePath()));
+@@ -704,7 +704,7 @@
+         errno = savedErrno;
+         ret = 0;
+     }
+-# elif defined(Q_OS_ANDROID)
++# elif defined(Q_OS_ANDROID) || defined(__ANDROID__)
+     // On some Android versions, realpath() will return a path even if it does not exist
+     // To work around this, we check existence in advance.
+     if (!data.hasFlags(QFileSystemMetaData::ExistsAttribute))
+@@ -854,7 +854,7 @@
+ 
+ #if !defined(Q_OS_INTEGRITY) && !defined(Q_OS_WASM)
+     struct group *gr = 0;
+-#if QT_CONFIG(thread) && defined(_POSIX_THREAD_SAFE_FUNCTIONS) && !defined(Q_OS_OPENBSD) && !defined(Q_OS_VXWORKS) && (!defined(Q_OS_ANDROID) || defined(Q_OS_ANDROID) && (__ANDROID_API__ >= 24))
++#if QT_CONFIG(thread) && defined(_POSIX_THREAD_SAFE_FUNCTIONS) && !defined(Q_OS_OPENBSD) && !defined(Q_OS_VXWORKS) && (!defined(Q_OS_ANDROID) || !defined(__ANDROID__) || defined(Q_OS_ANDROID) && (__ANDROID_API__ >= 24))
+     size_max = sysconf(_SC_GETGR_R_SIZE_MAX);
+     if (size_max == -1)
+         size_max = 1024;
diff --git a/x11-packages/qt5-qtbase/qtbase_mkspecs_termux-cross_qplatformdefs.h.patch b/x11-packages/qt5-qtbase/qtbase_mkspecs_termux-cross_qplatformdefs.h.patch
new file mode 100644
index 000000000..97b143dec
--- /dev/null
+++ b/x11-packages/qt5-qtbase/qtbase_mkspecs_termux-cross_qplatformdefs.h.patch
@@ -0,0 +1,8 @@
+diff -uNr qtbase/mkspecs/termux-cross/qplatformdefs.h qtbase.mod/mkspecs/termux-cross/qplatformdefs.h
+--- qtbase/mkspecs/termux-cross/qplatformdefs.h	1970-01-01 03:00:00.000000000 +0300
++++ qtbase.mod/mkspecs/termux-cross/qplatformdefs.h	2018-09-21 16:25:01.055329471 +0300
+@@ -0,0 +1,4 @@
++#include "../android-clang/qplatformdefs.h"
++#define fseeko64 fseeko
++#define ftello64 ftello
++#define fopen64 fopen
diff --git a/x11-packages/qt5-qtbase/qtbase_mkspecs_termux_qmake.conf.patch b/x11-packages/qt5-qtbase/qtbase_mkspecs_termux_qmake.conf.patch
new file mode 100644
index 000000000..2f2042700
--- /dev/null
+++ b/x11-packages/qt5-qtbase/qtbase_mkspecs_termux_qmake.conf.patch
@@ -0,0 +1,35 @@
+diff -uNr qtbase/mkspecs/termux/qmake.conf qtbase.mod/mkspecs/termux/qmake.conf
+--- qtbase/mkspecs/termux/qmake.conf	1970-01-01 03:00:00.000000000 +0300
++++ qtbase.mod/mkspecs/termux/qmake.conf	2018-09-21 16:26:18.042253449 +0300
+@@ -0,0 +1,31 @@
++QT_QPA_DEFAULT_PLATFORM = xcb
++
++MAKEFILE_GENERATOR      = UNIX
++CONFIG                 += incremental
++QMAKE_INCREMENTAL_STYLE = sublib
++
++include(../common/linux.conf)
++include(../common/gcc-base-unix.conf)
++include(../common/clang.conf)
++
++QMAKE_CC                = clang
++QMAKE_CXX               = clang++
++QMAKE_LINK              = $${QMAKE_CXX}
++QMAKE_LINK_SHLIB        = $${QMAKE_CXX}
++QMAKE_AR                = ar cqs
++QMAKE_NM                = nm -P
++QMAKE_OBJCOPY           = objcopy
++QMAKE_PKG_CONFIG        = pkg-config
++QMAKE_STRIP             = strip
++
++QMAKE_CFLAGS           += -I/data/data/com.termux/files/usr/include
++QMAKE_CXXFLAGS         += -I/data/data/com.termux/files/usr/include
++QMAKE_LFLAGS           += -L/data/data/com.termux/files/usr/lib
++QMAKE_LFLAGS_SHLIB     += -shared
++QMAKE_LFLAGS_PLUGIN    += -shared
++
++## Should be -lpthread, but Termux does not provide
++## libpthread.so library.
++QMAKE_LIBS_THREAD       =
++
++load(qt_config)
diff --git a/x11-packages/qt5-qtbase/qtbase_mkspecs_termux_qplatformdefs.h.patch b/x11-packages/qt5-qtbase/qtbase_mkspecs_termux_qplatformdefs.h.patch
new file mode 100644
index 000000000..0fb49bac4
--- /dev/null
+++ b/x11-packages/qt5-qtbase/qtbase_mkspecs_termux_qplatformdefs.h.patch
@@ -0,0 +1,8 @@
+diff -uNr qtbase/mkspecs/termux/qplatformdefs.h qtbase.mod/mkspecs/termux/qplatformdefs.h
+--- qtbase/mkspecs/termux/qplatformdefs.h	1970-01-01 03:00:00.000000000 +0300
++++ qtbase.mod/mkspecs/termux/qplatformdefs.h	2018-09-21 16:25:01.055329471 +0300
+@@ -0,0 +1,4 @@
++#include "../android-clang/qplatformdefs.h"
++#define fseeko64 fseeko
++#define ftello64 ftello
++#define fopen64 fopen
diff --git a/x11-packages/qt5-qtbase/qtbase_src_corelib_global_qsystemdetection.h.patch b/x11-packages/qt5-qtbase/qtbase_src_corelib_global_qsystemdetection.h.patch
new file mode 100644
index 000000000..06d64ece5
--- /dev/null
+++ b/x11-packages/qt5-qtbase/qtbase_src_corelib_global_qsystemdetection.h.patch
@@ -0,0 +1,11 @@
+--- src/src/corelib/global/qsystemdetection.h.orig	2021-05-06 14:36:25.054047886 +0000
++++ src.mod/src/corelib/global/qsystemdetection.h	2021-05-06 14:43:45.917806447 +0000
+@@ -109,7 +109,7 @@
+ #    error "Qt has not been ported to this Apple platform - see http://www.qt.io/developers"
+ #  endif
+ #elif defined(__ANDROID__) || defined(ANDROID)
+-#  define Q_OS_ANDROID
++#  define Q_OS_ANDROID_EMBEDDED
+ #  define Q_OS_LINUX
+ #elif defined(__CYGWIN__)
+ #  define Q_OS_CYGWIN
diff --git a/x11-packages/qt5-qtbase/qtbase_src_corelib_thread_qthread_unix_android_defs.patch b/x11-packages/qt5-qtbase/qtbase_src_corelib_thread_qthread_unix_android_defs.patch
new file mode 100644
index 000000000..76e8bfb46
--- /dev/null
+++ b/x11-packages/qt5-qtbase/qtbase_src_corelib_thread_qthread_unix_android_defs.patch
@@ -0,0 +1,48 @@
+diff -uNr qtbase/src/corelib/thread/qthread_unix.cpp qtbase.mod/src/corelib/thread/qthread_unix.cpp
+--- qtbase/src/corelib/thread/qthread_unix.cpp	2018-09-13 07:25:10.000000000 +0300
++++ qtbase.mod/src/corelib/thread/qthread_unix.cpp	2018-09-21 16:25:01.058662816 +0300
+@@ -92,7 +92,7 @@
+ # define SCHED_IDLE    5
+ #endif
+ 
+-#if defined(Q_OS_DARWIN) || !defined(Q_OS_ANDROID) && !defined(Q_OS_OPENBSD) && defined(_POSIX_THREAD_PRIORITY_SCHEDULING) && (_POSIX_THREAD_PRIORITY_SCHEDULING-0 >= 0)
++#if !defined(__ANDROID__) && (defined(Q_OS_DARWIN) || !defined(Q_OS_OPENBSD) && defined(_POSIX_THREAD_PRIORITY_SCHEDULING) && (_POSIX_THREAD_PRIORITY_SCHEDULING-0 >= 0))
+ #define QT_HAS_THREAD_PRIORITY_SCHEDULING
+ #endif
+ 
+@@ -312,7 +312,7 @@
+ 
+ void *QThreadPrivate::start(void *arg)
+ {
+-#if !defined(Q_OS_ANDROID)
++#if !defined(__ANDROID__)
+     pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL);
+ #endif
+     pthread_cleanup_push(QThreadPrivate::finish, arg);
+@@ -360,7 +360,7 @@
+ #endif
+ 
+         emit thr->started(QThread::QPrivateSignal());
+-#if !defined(Q_OS_ANDROID)
++#if !defined(__ANDROID__)
+         pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL);
+         pthread_testcancel();
+ #endif
+@@ -747,7 +747,7 @@
+ 
+ void QThread::terminate()
+ {
+-#if !defined(Q_OS_ANDROID)
++#if !defined(__ANDROID__)
+     Q_D(QThread);
+     QMutexLocker locker(&d->mutex);
+ 
+@@ -789,7 +789,7 @@
+                "Current thread was not started with QThread.");
+ 
+     Q_UNUSED(thr)
+-#if defined(Q_OS_ANDROID)
++#if defined(__ANDROID__)
+     Q_UNUSED(enabled);
+ #else
+     pthread_setcancelstate(enabled ? PTHREAD_CANCEL_ENABLE : PTHREAD_CANCEL_DISABLE, NULL);
diff --git a/x11-packages/qt5-qtbase/qtbase_src_network_kernel_qdnslookup_unix_res_state_struct.patch b/x11-packages/qt5-qtbase/qtbase_src_network_kernel_qdnslookup_unix_res_state_struct.patch
new file mode 100644
index 000000000..fe475e8b7
--- /dev/null
+++ b/x11-packages/qt5-qtbase/qtbase_src_network_kernel_qdnslookup_unix_res_state_struct.patch
@@ -0,0 +1,69 @@
+diff -uNr qtbase/src/network/kernel/qdnslookup_unix.cpp qtbase.mod/src/network/kernel/qdnslookup_unix.cpp
+--- qtbase/src/network/kernel/qdnslookup_unix.cpp	2018-09-13 07:25:10.000000000 +0300
++++ qtbase.mod/src/network/kernel/qdnslookup_unix.cpp	2018-09-21 16:25:01.061996160 +0300
+@@ -65,9 +65,63 @@
+ 
+ #if QT_CONFIG(library)
+ 
+-#if defined(Q_OS_OPENBSD)
+-typedef struct __res_state* res_state;
++#include <sys/types.h>
++#include <linux/in.h>
++
++/* res_state: the global state used by the resolver stub.  */
++#define MAXNS           3   /* max # name servers we'll track */
++#define MAXDFLSRCH      3   /* # default domain levels to try */
++#define MAXDNSRCH       6   /* max # domains in search path */
++#define MAXRESOLVSORT       10  /* number of net to sort on */
++
++struct __res_state {
++    int retrans;        /* retransmition time interval */
++    int retry;          /* number of times to retransmit */
++    unsigned long options;      /* option flags - see below. */
++    int nscount;        /* number of name servers */
++    struct sockaddr_in
++        nsaddr_list[MAXNS]; /* address of name server */
++    unsigned short id;      /* current message id */
++    /* 2 byte hole here.  */
++    char    *dnsrch[MAXDNSRCH+1];   /* components of domain to search */
++    char    defdname[256];      /* default domain (deprecated) */
++    unsigned long pfcode;       /* RES_PRF_ flags - see below. */
++    unsigned ndots:4;       /* threshold for initial abs. query */
++    unsigned nsort:4;       /* number of elements in sort_list[] */
++    unsigned ipv6_unavail:1;    /* connecting to IPv6 server failed */
++    unsigned unused:23;
++    struct {
++        struct in_addr  addr;
++        uint32_t    mask;
++    } sort_list[MAXRESOLVSORT];
++    /* 4 byte hole here on 64-bit architectures.  */
++    void * __glibc_unused_qhook;
++    void * __glibc_unused_rhook;
++    int res_h_errno;        /* last one set for this context */
++    int _vcsock;        /* PRIVATE: for res_send VC i/o */
++    unsigned int _flags;        /* PRIVATE: see below */
++    /* 4 byte hole here on 64-bit architectures.  */
++    union {
++        char    pad[52];    /* On an i386 this means 512b total. */
++        struct {
++            uint16_t        nscount;
++            uint16_t        nsmap[MAXNS];
++            int         nssocks[MAXNS];
++            uint16_t        nscount6;
++            uint16_t        nsinit;
++            struct sockaddr_in6 *nsaddrs[MAXNS];
++#ifdef _LIBC
++            unsigned long long int __glibc_extension_index
++              __attribute__((packed));
++#else
++            unsigned int        __glibc_reserved[2];
+ #endif
++        } _ext;
++    } _u;
++};
++
++typedef struct __res_state* res_state;
++
+ typedef int (*dn_expand_proto)(const unsigned char *, const unsigned char *, const unsigned char *, char *, int);
+ static dn_expand_proto local_dn_expand = 0;
+ typedef void (*res_nclose_proto)(res_state);
diff --git a/x11-packages/qt5-qtbase/qtbase_src_network_kernel_qhostinfo_unix_res_state_struct.patch b/x11-packages/qt5-qtbase/qtbase_src_network_kernel_qhostinfo_unix_res_state_struct.patch
new file mode 100644
index 000000000..b0660b959
--- /dev/null
+++ b/x11-packages/qt5-qtbase/qtbase_src_network_kernel_qhostinfo_unix_res_state_struct.patch
@@ -0,0 +1,65 @@
+diff -uNr qtbase/src/network/kernel/qhostinfo_unix.cpp qtbase.mod/src/network/kernel/qhostinfo_unix.cpp
+--- qtbase/src/network/kernel/qhostinfo_unix.cpp	2018-09-13 07:25:10.000000000 +0300
++++ qtbase.mod/src/network/kernel/qhostinfo_unix.cpp	2018-09-21 16:25:01.061996160 +0300
+@@ -84,6 +84,61 @@
+     NeedResNInit
+ };
+ 
++#include <sys/types.h>
++#include <linux/in.h>
++
++/* res_state: the global state used by the resolver stub.  */
++#define MAXNS           3   /* max # name servers we'll track */
++#define MAXDFLSRCH      3   /* # default domain levels to try */
++#define MAXDNSRCH       6   /* max # domains in search path */
++#define MAXRESOLVSORT       10  /* number of net to sort on */
++
++struct __res_state {
++    int retrans;        /* retransmition time interval */
++    int retry;          /* number of times to retransmit */
++    unsigned long options;      /* option flags - see below. */
++    int nscount;        /* number of name servers */
++    struct sockaddr_in
++        nsaddr_list[MAXNS]; /* address of name server */
++    unsigned short id;      /* current message id */
++    /* 2 byte hole here.  */
++    char    *dnsrch[MAXDNSRCH+1];   /* components of domain to search */
++    char    defdname[256];      /* default domain (deprecated) */
++    unsigned long pfcode;       /* RES_PRF_ flags - see below. */
++    unsigned ndots:4;       /* threshold for initial abs. query */
++    unsigned nsort:4;       /* number of elements in sort_list[] */
++    unsigned ipv6_unavail:1;    /* connecting to IPv6 server failed */
++    unsigned unused:23;
++    struct {
++        struct in_addr  addr;
++        uint32_t    mask;
++    } sort_list[MAXRESOLVSORT];
++    /* 4 byte hole here on 64-bit architectures.  */
++    void * __glibc_unused_qhook;
++    void * __glibc_unused_rhook;
++    int res_h_errno;        /* last one set for this context */
++    int _vcsock;        /* PRIVATE: for res_send VC i/o */
++    unsigned int _flags;        /* PRIVATE: see below */
++    /* 4 byte hole here on 64-bit architectures.  */
++    union {
++        char    pad[52];    /* On an i386 this means 512b total. */
++        struct {
++            uint16_t        nscount;
++            uint16_t        nsmap[MAXNS];
++            int         nssocks[MAXNS];
++            uint16_t        nscount6;
++            uint16_t        nsinit;
++            struct sockaddr_in6 *nsaddrs[MAXNS];
++#ifdef _LIBC
++            unsigned long long int __glibc_extension_index
++              __attribute__((packed));
++#else
++            unsigned int        __glibc_reserved[2];
++#endif
++        } _ext;
++    } _u;
++};
++
+ typedef struct __res_state *res_state_ptr;
+ 
+ typedef int (*res_init_proto)(void);
diff --git a/x11-packages/qt5-qtbase/qtemporaryfile_no_unnamedfile_android.patch b/x11-packages/qt5-qtbase/qtemporaryfile_no_unnamedfile_android.patch
new file mode 100644
index 000000000..1067ca731
--- /dev/null
+++ b/x11-packages/qt5-qtbase/qtemporaryfile_no_unnamedfile_android.patch
@@ -0,0 +1,11 @@
+--- src/src/corelib/io/qtemporaryfile_p.h	2021-05-09 10:40:38.972403873 +0100
++++ src.mod/src/corelib/io/qtemporaryfile_p.h	2021-05-09 10:40:32.520423082 +0100
+@@ -58,7 +58,7 @@
+ #include "private/qfile_p.h"
+ #include "qtemporaryfile.h"
+ 
+-#if defined(Q_OS_LINUX) && QT_CONFIG(linkat)
++#if defined(Q_OS_LINUX) && !defined(__ANDROID__) && QT_CONFIG(linkat)
+ #  include <fcntl.h>
+ #  ifdef O_TMPFILE
+ // some early libc support had the wrong values for O_TMPFILE
diff --git a/x11-packages/qt5-qtbase/ssl_certificate_path.patch b/x11-packages/qt5-qtbase/ssl_certificate_path.patch
new file mode 100644
index 000000000..dacea5b27
--- /dev/null
+++ b/x11-packages/qt5-qtbase/ssl_certificate_path.patch
@@ -0,0 +1,24 @@
+diff --color -uNr qtbase-everywhere-src-5.12.10/src/network/ssl/qsslsocket.cpp qtbase-everywhere-src-5.12.10.mod/src/network/ssl/qsslsocket.cpp
+--- qtbase-everywhere-src-5.12.10/src/network/ssl/qsslsocket.cpp	2020-09-21 14:16:21.000000000 +0100
++++ qtbase-everywhere-src-5.12.10.mod/src/network/ssl/qsslsocket.cpp	2021-05-15 21:38:31.770873374 +0100
+@@ -2800,7 +2800,8 @@
+                                << "/usr/local/ssl/certs/" // Solaris
+                                << "/etc/openssl/certs/" // BlackBerry
+                                << "/opt/openssl/certs/" // HP-UX
+-                               << "/etc/ssl/"; // OpenBSD
++                               << "/etc/ssl/" // OpenBSD
++                               << "@TERMUX_PREFIX@/etc/tls/"; // Termux
+ }
+ 
+ /*!
+diff --color -uNr qtbase-everywhere-src-5.12.10/src/network/ssl/qsslsocket_openssl.cpp qtbase-everywhere-src-5.12.10.mod/src/network/ssl/qsslsocket_openssl.cpp
+--- qtbase-everywhere-src-5.12.10/src/network/ssl/qsslsocket_openssl.cpp	2020-09-21 14:16:21.000000000 +0100
++++ qtbase-everywhere-src-5.12.10.mod/src/network/ssl/qsslsocket_openssl.cpp	2021-05-15 21:36:38.303135420 +0100
+@@ -670,6 +670,7 @@
+         systemCerts.append(QSslCertificate::fromPath(QLatin1String("/etc/pki/tls/certs/ca-bundle.crt"), QSsl::Pem)); // Fedora, Mandriva
+         systemCerts.append(QSslCertificate::fromPath(QLatin1String("/usr/local/share/certs/ca-root-nss.crt"), QSsl::Pem)); // FreeBSD's ca_root_nss
+ # endif
++        systemCerts.append(QSslCertificate::fromPath(QLatin1String("@TERMUX_PREFIX@/etc/tls/cert.pem"), QSsl::Pem)); // Termux ca-certificates
+     }
+ #endif
+ #ifdef QSSLSOCKET_DEBUG
diff --git a/x11-packages/qt5-qtbase/termux-build-qmake.sh b/x11-packages/qt5-qtbase/termux-build-qmake.sh
new file mode 100755
index 000000000..691b8ccb7
--- /dev/null
+++ b/x11-packages/qt5-qtbase/termux-build-qmake.sh
@@ -0,0 +1,123 @@
+#!/data/data/com.termux/files/usr/bin/bash
+##
+##  A script for building qmake on device.
+##  Use in Termux only !
+##
+##  Usage:
+##
+##  ./termux-build-qmake.sh
+
+set -e
+
+TERMUX_PREFIX=/data/data/com.termux/files/usr
+
+if [ $(uname -o) != Android ]; then
+    echo "This script should be run in Termux !"
+    exit 1
+fi
+
+if [ -e "build.sh" ]; then
+    source ./build.sh
+fi
+
+apt update
+apt upgrade -y
+apt install -y coreutils clang curl debianutils make
+hash -r
+
+## Override function from build.sh since we are
+## building for host.
+termux_step_configure () {
+    export PKG_CONFIG_SYSROOT_DIR="${TERMUX_PREFIX}"
+
+    ./configure -v \
+        -opensource \
+        -confirm-license \
+        -release \
+        -platform termux \
+        -shared \
+        -no-rpath \
+        -no-use-gold-linker \
+        -prefix "${TERMUX_PREFIX}" \
+        -docdir "${TERMUX_PREFIX}/share/doc/qt" \
+        -archdatadir "${TERMUX_PREFIX}/lib/qt" \
+        -datadir "${TERMUX_PREFIX}/share/qt" \
+        -plugindir "${TERMUX_PREFIX}/libexec/qt" \
+        -nomake examples \
+        -no-pch \
+        -no-accessibility \
+        -no-glib \
+        -icu \
+        -system-pcre \
+        -system-zlib \
+        -system-freetype \
+        -ssl \
+        -openssl-linked \
+        -no-system-proxies \
+        -no-cups \
+        -system-harfbuzz \
+        -no-opengl \
+        -no-vulkan \
+        -qpa xcb \
+        -no-eglfs \
+        -no-gbm \
+        -no-kms \
+        -no-linuxfb \
+        -no-mirclient \
+        -no-libudev \
+        -no-evdev \
+        -no-libinput \
+        -no-mtdev \
+        -no-tslib \
+        -system-xcb \
+        -no-xcb-xinput \
+        -gif \
+        -system-libpng \
+        -system-libjpeg \
+        -system-sqlite \
+        -sql-sqlite \
+        -no-feature-systemsemaphore
+}
+
+if [ ! -e "qtbase-everywhere-src-${TERMUX_PKG_VERSION}.tar.xz" ]; then
+    echo "[*] Downloading Qt sources..."
+    curl -L --output "qtbase-everywhere-src-${TERMUX_PKG_VERSION}.tar.xz" "${TERMUX_PKG_SRCURL}"
+fi
+
+echo "[*] Unpacking Qt sources..."
+rm -rf "qtbase-everywhere-src-${TERMUX_PKG_VERSION}"
+tar xf "qtbase-everywhere-src-${TERMUX_PKG_VERSION}.tar.xz"
+
+cd "qtbase-everywhere-src-${TERMUX_PKG_VERSION}" && {
+    ## Patch the source
+    for i in `ls ../*.patch`; do
+        patch -p1 -Ni "${i}"
+    done
+    unset i
+
+    ## We need only qmake generated by configure, so ignoring
+    ## errors here.
+    set +e
+    echo "[*] Running ./configure..."
+    termux_step_configure
+    set -e
+
+    cd qmake && {
+        ## Bootstrap qmake.
+        echo "[*] Bootstrapping qmake..."
+        ../bin/qmake -spec termux -o Makefile.qmake-aux qmake-aux.pro
+        make -f Makefile.qmake-aux
+
+        ## Just verify.
+        echo "[*] Verifying..."
+        ./qmake -spec termux -o Makefile.qmake-aux qmake-aux.pro
+        make -f Makefile.qmake-aux
+
+        cd -
+    }
+
+    cd ../
+}
+
+echo "[*] Done. Check file './qmake-$(uname -m)-linux-android'."
+cp "qtbase-everywhere-src-${TERMUX_PKG_VERSION}/qmake/qmake" "./qmake-$(uname -m)-linux-android"