Fix issue 8049

patch/patches/icu.patch

@@ -1,16 +1,24 @@
 diff --git a/icu.gyp b/icu.gyp
-index b3c12030..799dce2a 100644
---- icu.gyp
-+++ icu.gyp
-@@ -25,6 +25,7 @@
+index 7deb43c..e2ac65b 100644
+--- a/icu.gyp
++++ b/icu.gyp
+@@ -10,6 +10,7 @@
+     'use_system_icu%': 0,
+     'icu_use_data_file_flag%': 0,
+     'want_separate_host_toolset%': 1,
++    'python%': 'python3'
+   },
+   'target_defaults': {
+     'direct_dependent_settings': {
+@@ -25,6 +26,7 @@
      'defines': [
        'U_USING_ICU_NAMESPACE=0',
        'HAVE_DLOPEN=0',
 +      '_LIBCPP_ABI_NAMESPACE=__1',
        # Only build encoding coverters and detectors necessary for HTML5.
        'UCONFIG_ONLY_HTML_CONVERSION=1',
        # TODO(jshin): Do we still need/want this?
-@@ -40,8 +41,18 @@
+@@ -40,8 +42,18 @@
          ],
        }],
        ['OS=="win"', {
@@ -29,3 +37,15 @@ index b3c12030..799dce2a 100644
        ['(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 \
+@@ -171,9 +183,9 @@
+                  [ 'OS == "mac" or OS == "ios" or '
+                    '((OS == "android" or OS == "qnx") and '
+                    '_toolset == "host" and host_os == "mac")', {
+-                   'action': ['python', '<@(_inputs)', '<@(_outputs)', '--mac'],
++                   'action': ['<(python)', '<@(_inputs)', '<@(_outputs)', '--mac'],
+                  } , {
+-                   'action': ['python', '<@(_inputs)', '<@(_outputs)'],
++                   'action': ['<(python)', '<@(_inputs)', '<@(_outputs)'],
+                  }],
+               ],
+             },