termux-packages/scripts/meson-android.patch

diff -u -r ../meson-0.41.2/mesonbuild/build.py ./mesonbuild/build.py
--- ../meson-0.41.2/mesonbuild/build.py	2017-07-19 11:39:22.000000000 +0200
+++ ./mesonbuild/build.py	2017-07-29 00:28:05.082804622 +0200
@@ -21,7 +21,7 @@
 from .mesonlib import File, MesonException
 from .mesonlib import flatten, typeslistify, stringlistify, classify_unity_sources
 from .mesonlib import get_filenames_templates_dict, substitute_values
-from .environment import for_windows, for_darwin, for_cygwin
+from .environment import for_windows, for_darwin, for_cygwin, for_android
 from .compilers import is_object, clike_langs, sort_clike, lang_suffixes
 
 known_basic_kwargs = {'install': True,
@@ -1164,6 +1164,7 @@
         if not hasattr(self, 'suffix'):
             self.suffix = None
         self.basic_filename_tpl = '{0.prefix}{0.name}.{0.suffix}'
+        self.is_cross = is_cross
         self.determine_filenames(is_cross, environment)
 
     def determine_filenames(self, is_cross, env):
@@ -1272,25 +1273,26 @@
 
     def process_kwargs(self, kwargs, environment):
         super().process_kwargs(kwargs, environment)
-        # Shared library version
-        if 'version' in kwargs:
-            self.ltversion = kwargs['version']
-            if not isinstance(self.ltversion, str):
-                raise InvalidArguments('Shared library version needs to be a string, not ' + type(self.ltversion).__name__)
-            if not re.fullmatch(r'[0-9]+(\.[0-9]+){0,2}', self.ltversion):
-                raise InvalidArguments('Invalid Shared library version "{0}". Must be of the form X.Y.Z where all three are numbers. Y and Z are optional.'.format(self.ltversion))
-        # Try to extract/deduce the soversion
-        if 'soversion' in kwargs:
-            self.soversion = kwargs['soversion']
-            if isinstance(self.soversion, int):
-                self.soversion = str(self.soversion)
-            if not isinstance(self.soversion, str):
-                raise InvalidArguments('Shared library soversion is not a string or integer.')
-        elif self.ltversion:
-            # library version is defined, get the soversion from that
-            # We replicate what Autotools does here and take the first
-            # number of the version by default.
-            self.soversion = self.ltversion.split('.')[0]
+        if not for_android(self.is_cross, environment):
+            # Shared library version
+            if 'version' in kwargs:
+                self.ltversion = kwargs['version']
+                if not isinstance(self.ltversion, str):
+                    raise InvalidArguments('Shared library version needs to be a string, not ' + type(self.ltversion).__name__)
+                if not re.fullmatch(r'[0-9]+(\.[0-9]+){0,2}', self.ltversion):
+                    raise InvalidArguments('Invalid Shared library version "{0}". Must be of the form X.Y.Z where all three are numbers. Y and Z are optional.'.format(self.ltversion))
+            # Try to extract/deduce the soversion
+            if 'soversion' in kwargs:
+                self.soversion = kwargs['soversion']
+                if isinstance(self.soversion, int):
+                    self.soversion = str(self.soversion)
+                if not isinstance(self.soversion, str):
+                    raise InvalidArguments('Shared library soversion is not a string or integer.')
+            elif self.ltversion:
+                # library version is defined, get the soversion from that
+                # We replicate what Autotools does here and take the first
+                # number of the version by default.
+                self.soversion = self.ltversion.split('.')[0]
         # Visual Studio module-definitions file
         if 'vs_module_defs' in kwargs:
             path = kwargs['vs_module_defs']
diff -u -r ../meson-0.41.2/mesonbuild/environment.py ./mesonbuild/environment.py
--- ../meson-0.41.2/mesonbuild/environment.py	2017-07-19 11:39:22.000000000 +0200
+++ ./mesonbuild/environment.py	2017-07-29 00:08:12.592115029 +0200
@@ -212,6 +212,17 @@
         return env.cross_info.config['host_machine']['system'] == 'darwin'
     return False
 
+def for_android(is_cross, env):
+    """
+    Host machine is Android?
+
+    Note: 'host' is the machine on which compiled binaries will run
+    """
+    if not is_cross:
+        return mesonlib.is_android()
+    elif env.cross_info.has_host():
+        return env.cross_info.config['host_machine']['system'] == 'android'
+    return False
 
 def search_version(text):
     # Usually of the type 4.1.4 but compiler output may contain
diff -u -r ../meson-0.41.2/mesonbuild/mesonlib.py ./mesonbuild/mesonlib.py
--- ../meson-0.41.2/mesonbuild/mesonlib.py	2017-07-19 11:39:22.000000000 +0200
+++ ./mesonbuild/mesonlib.py	2017-07-29 00:08:27.543948195 +0200
@@ -219,6 +219,12 @@
 def is_linux():
     return platform.system().lower() == 'linux'
 
+def is_android():
+    import sysconfig
+    # Taken from Lib/test/support/__init__.py of the python source:
+    _ANDROID_API_LEVEL = sysconfig.get_config_var('ANDROID_API_LEVEL')
+    return _ANDROID_API_LEVEL is not None and _ANDROID_API_LEVEL > 0
+
 def is_windows():
     platname = platform.system().lower()
     return platname == 'windows' or 'mingw' in platname