Added path to hostpython in python3 build env

Author: inclement

pythonforandroid/recipes/hostpython3/__init__.py

@@ -3,6 +3,8 @@
 from os.path import join, exists
 import sh
 
+BUILD_SUBDIR = 'native-build'
+
 
 class Hostpython3Recipe(Recipe):
     version = '3.7.1'
@@ -20,11 +22,14 @@ def get_build_dir(self, arch=None):
         # Unlike other recipes, the hostpython build dir doesn't depend on the target arch
         return join(self.get_build_container_dir(), self.name)
 
+    def get_path_to_python(self):
+        return join(self.get_build_dir(), BUILD_SUBDIR)
+
     def build_arch(self, arch):
         recipe_build_dir = self.get_build_dir(arch.arch)
 
         # Create a subdirectory to actually perform the build
-        build_dir = join(recipe_build_dir, 'native-build')
+        build_dir = join(recipe_build_dir, BUILD_SUBDIR)
         ensure_dir(build_dir)
 
         if not exists(join(build_dir, 'python')):

pythonforandroid/recipes/python3/__init__.py

@@ -83,6 +83,10 @@ def build_arch(self, arch):
             env['READELF'] = READELF
             env['STRIP'] = STRIP
 
+            env['PATH'] = '{hostpython_dir}:{old_path}'.format(
+                hostpython_dir=self.get_recipe('hostpython3', self.ctx).get_path_to_python(),
+                old_path=env['PATH'])
+
             ndk_flags = ('--sysroot={ndk_sysroot} -D__ANDROID_API__={android_api} '
                          '-isystem {ndk_android_host}').format(
                              ndk_sysroot=join(self.ctx.ndk_dir, 'sysroot'),