Show actual values found from environment in info messages.

Author: dbrnz

pythonforandroid/build.py

@@ -231,10 +231,12 @@ def prepare_build_environment(self,
         android_api = None
         if user_android_api:
             android_api = user_android_api
-            info('Getting Android API version from user argument')
+            info('Getting Android API version from user argument:'
+                 ' it is {}'.format(android_api))
         elif 'ANDROIDAPI' in environ:
             android_api = environ['ANDROIDAPI']
-            info('Found Android API target in $ANDROIDAPI')
+            info('Found Android API target in $ANDROIDAPI:'
+                 ' it is {}'.format(android_api))
         else:
             info('Android API target was not set manually, using '
                  'the default of {}'.format(DEFAULT_ANDROID_API))
@@ -282,15 +284,18 @@ def prepare_build_environment(self,
         if ndk_dir is None:  # The old P4A-specific dir
             ndk_dir = environ.get('ANDROIDNDK', None)
             if ndk_dir is not None:
-                info('Found NDK dir in $ANDROIDNDK')
+                info('Found NDK dir in $ANDROIDNDK:'
+                     ' it is {}'.format(ndk_dir))
         if ndk_dir is None:  # Apparently the most common convention
             ndk_dir = environ.get('NDK_HOME', None)
             if ndk_dir is not None:
-                info('Found NDK dir in $NDK_HOME')
+                info('Found NDK dir in $NDK_HOME:'
+                     ' it is {}'.format(ndk_dir))
         if ndk_dir is None:  # Another convention (with maven?)
             ndk_dir = environ.get('ANDROID_NDK_HOME', None)
             if ndk_dir is not None:
-                info('Found NDK dir in $ANDROID_NDK_HOME')
+                info('Found NDK dir in $ANDROID_NDK_HOME:'
+                     ' it is {}'.format(ndk_dir))
         if ndk_dir is None:  # Checks in the buildozer NDK dir, useful
             #                # for debug tests of p4a
             possible_dirs = glob.glob(expanduser(join(
@@ -314,11 +319,13 @@ def prepare_build_environment(self,
         if user_ndk_ver:
             ndk_ver = user_ndk_ver
             if ndk_dir is not None:
-                info('Got NDK version from from user argument')
+                info('Got NDK version from from user argument:'
+                     ' it is {}'.format(ndk_ver))
         if ndk_ver is None:
             ndk_ver = environ.get('ANDROIDNDKVER', None)
             if ndk_dir is not None:
-                info('Got NDK version from $ANDROIDNDKVER')
+                info('Got NDK version from $ANDROIDNDKVER:'
+                     ' it is {}'.format(ndk_ver))
 
         self.ndk = 'google'