!46 add loongarch64 support

From: @huajingyun 
Reviewed-by: @peijiankang 
Signed-off-by: @peijiankang

add-loongarch64-support.patch

@@ -0,0 +1,40 @@
+diff --git a/src/3rdparty/double-conversion/include/double-conversion/utils.h b/src/3rdparty/double-conversion/include/double-conversion/utils.h
+index 70e697ca..9be294a2 100644
+--- a/src/3rdparty/double-conversion/include/double-conversion/utils.h
++++ b/src/3rdparty/double-conversion/include/double-conversion/utils.h
+@@ -102,6 +102,7 @@ int main(int argc, char** argv) {
+     defined(__AARCH64EL__) || defined(__aarch64__) || defined(__AARCH64EB__) || \
+     defined(__riscv) || \
+     defined(__or1k__) || defined(__arc__) || \
++    defined(__loongarch64) || \
+     defined(__EMSCRIPTEN__)
+ #define DOUBLE_CONVERSION_CORRECT_DOUBLE_OPERATIONS 1
+ #elif defined(__mc68000__) || \
+diff --git a/src/corelib/global/archdetect.cpp b/src/corelib/global/archdetect.cpp
+index 1d00b7f5..74f3c8fc 100644
+--- a/src/corelib/global/archdetect.cpp
++++ b/src/corelib/global/archdetect.cpp
+@@ -59,6 +59,8 @@
+ #  define ARCH_PROCESSOR "x86_64"
+ #elif defined(Q_PROCESSOR_IA64)
+ #  define ARCH_PROCESSOR "ia64"
++#elif defined(Q_PROCESSOR_LOONGARCH_64)
++#  define ARCH_PROCESSOR "loongarch64"
+ #elif defined(Q_PROCESSOR_MIPS_64)
+ #  define ARCH_PROCESSOR "mips64"
+ #elif defined(Q_PROCESSOR_MIPS)
+diff --git a/src/corelib/global/qprocessordetection.h b/src/corelib/global/qprocessordetection.h
+index 8d657208..69f84a15 100644
+--- a/src/corelib/global/qprocessordetection.h
++++ b/src/corelib/global/qprocessordetection.h
+@@ -223,6 +223,10 @@
+ #  define Q_PROCESSOR_WORDSIZE   8
+ // Q_BYTE_ORDER not defined, use endianness auto-detection
+ 
++#elif defined(__loongarch64)
++#    define Q_PROCESSOR_LOONGARCH_64
++#    define Q_PROCESSOR_WORDSIZE 8
++
+ /*
+     MIPS family, known revisions: I, II, III, IV, 32, 64
+ 

qt5-qtbase.spec

@@ -34,7 +34,7 @@ BuildRequires:    pkgconfig(libsystemd)
 Name:             qt5-qtbase
 Summary:          Qt5 - QtBase components
 Version:          5.15.2
-Release:          3
+Release:          4
 
 
 # See LGPL_EXCEPTIONS.txt, for exception details
@@ -112,6 +112,7 @@ Patch0018:        0001-modify-kwin_5.18-complier-error.patch
 # https://launchpad.net/ubuntu/+source/qtbase-opensource-src/5.15.2+dfsg-15
 Patch0019:        CVE-2021-38593.patch
 Patch0020:        CVE-2022-25255.patch
+Patch0021:        add-loongarch64-support.patch
 # Do not check any files in %%{_qt5_plugindir}/platformthemes/ for requires.
 # Those themes are there for platform integration. If the required libraries are
 # not there, the platform to integrate with isn't either. Then Qt will just
@@ -367,6 +368,7 @@ Qt5 libraries used for drawing widgets and OpenGL items.
 %patch0018 -p1
 %patch0019 -p1
 %patch0020 -p1
+%patch0021 -p1
 # move some bundled libs to ensure they're not accidentally used
 pushd src/3rdparty
 mkdir UNUSED
@@ -1008,6 +1010,9 @@ fi
 
 
 %changelog
+* Mon Dec 12 2022 huajingyun <huajingyun@loongson.cn> - 5.15.2-4
+- add loongarch64 support
+
 * Wed Jul 27 2022 peijiankang <peijiankang@kylinos.cn> - 5.15.2-3
 - remove unnecessary file