Add support for new arch Loongarch

Author: fangyaling

nx-X11/config/cf/Imake.cf

@@ -893,6 +893,18 @@ XCOMM Keep cpp from replacing path elements containing i486/i586/i686
 #  endif
 #  undef __sparc__
 # endif
+# if defined(__loongarch__)
+#   undef __loongarch__
+#   if __loongarch_grlen == 64
+#     undef __loongarch_grlen
+#     undef __loongarch_lp64
+#     define LoongArch64Architecture
+#   endif
+#   if __loongarch_grlen == 32
+#     undef __loongarch_grlen
+#     define LoongArch32Architecture
+#   endif
+# endif
 # ifdef ia64
 #  define ia64Architecture
 #  undef ia64

nx-X11/config/cf/Imake.tmpl

@@ -517,6 +517,8 @@ XCOMM the platform-specific parameters - edit site.def to change
 #define ByteOrder		X_LITTLE_ENDIAN
 #elif defined(SuperHebArchitecture)
 #define ByteOrder		X_BIG_ENDIAN
+#elif defined(LoongArch64Architecture) || defined(LoongArch32Architecture)
+#define ByteOrder               X_LITTLE_ENDIAN
 #endif
 #endif /* ByteOrder */
 X_BYTE_ORDER = ByteOrder

nx-X11/config/cf/linux.cf

@@ -857,6 +857,24 @@ XCOMM binutils:	(LinuxBinUtilsMajorVersion)
 # define ServerExtraDefines	-DGCCUSESGAS XFree86ServerDefines -D_XSERVER64
 #endif /* AMD64Architecture */
 
+#ifdef LoongArch64Architecture
+# ifndef OptimizedCDebugFlags
+#  define OptimizedCDebugFlags -O2 GccAliasingArgs
+# endif
+# define LinuxMachineDefines   -D__loongarch__ -D__loongarch_grlen=64 -D__loongarch_lp64
+# define ServerOSDefines       XFree86ServerOSDefines
+# define ServerExtraDefines    -DGCCUSESGAS XFree86ServerDefines -D_XSERVER64
+#endif /* LoongArch64Architecture */
+
+#ifdef LoongArch32Architecture
+# ifndef OptimizedCDebugFlags
+#  define OptimizedCDebugFlags -O2 GccAliasingArgs
+# endif
+# define LinuxMachineDefines   -D__loongarch__ -D__loongarch_grlen=32
+# define ServerOSDefines       XFree86ServerOSDefines
+# define ServerExtraDefines    -DGCCUSESGAS XFree86ServerDefines
+#endif /* LoongArch32Architecture */
+
 #ifndef StandardDefines
 # ifdef __linux__
 #  define StandardDefines	-Dlinux LinuxMachineDefines LinuxSourceDefines