Add big endian support

icu.gyp

Index: icu.gyp
diff --git a/icu.gyp b/icu.gyp
index 9675c734ab7621a06086aa5afb713948952297d9..29121566e7014c3abdcc2591ef2b6b5d21e26958 100644
--- a/icu.gyp
+++ b/icu.gyp
@@ -45,7 +45,7 @@
       ['(OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="solaris" \
          or OS=="netbsd" or OS=="mac" or OS=="android" or OS=="qnx") and \
         (target_arch=="arm" or target_arch=="ia32" or \
-         target_arch=="mipsel")', {
+         target_arch=="mipsel" or target_arch=="mips")', {
         'target_conditions': [
           ['_toolset=="host"', {
             'cflags': [ '-m32' ],
@@ -60,7 +60,7 @@
       ['(OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="solaris" \
          or OS=="netbsd" or OS=="mac" or OS=="android" or OS=="qnx") and \
         (target_arch=="arm64" or target_arch=="x64" or \
-         target_arch=="mipsel64")', {
+         target_arch=="mips64el" or target_arch=="mips64")', {
         'target_conditions': [
           ['_toolset=="host"', {
             'cflags': [ '-m64' ],
@@ -117,6 +117,7 @@
              # modulo removal of the .private_extern and .const directives and
              # with no leading underscore on the icudt52_dat symbol.
              'android/icudtl_dat.S',
+             'linux/icudtb_dat.S',
              'linux/icudtl_dat.S',
              'mac/icudtl_dat.S',
           ],
@@ -166,7 +167,7 @@
             [ 'OS == "win" or OS == "mac" or OS == "ios" or '
               '(OS == "android" and (_toolset != "host" or host_os != "linux")) or '
               '(OS == "qnx" and (_toolset == "host" and host_os != "linux"))', {
-              'sources!': ['linux/icudtl_dat.S'],
+              'sources!': ['linux/icudtl_dat.S', 'linux/icudtb_dat.S'],
             }],
             [ 'OS != "android" or _toolset == "host"', {
               'sources!': ['android/icudtl_dat.S'],
@@ -176,6 +177,12 @@
               '_toolset != "host" or host_os != "mac")', {
               'sources!': ['mac/icudtl_dat.S'],
             }],
+            [ 'target_arch=="mips" or target_arch=="mips64"', {
+              'sources!': ['android/icudtl_dat.S', 'linux/icudtl_dat.S', 'mac/icudtl_dat.S'],
+            }],
+            [ 'target_arch!="mips" and target_arch!="mips64"', {
+              'sources!': ['linux/icudtb_dat.S'],
+            }],
           ], # target_conditions
         },
         {