[recipe-lib] Make libsecp256k1 a library recipe and ...

also make the imports from the right module

Author: opacam

pythonforandroid/recipes/libsecp256k1/__init__.py

@@ -1,4 +1,5 @@
-from pythonforandroid.toolchain import shprint, current_directory
+from pythonforandroid.logger import shprint
+from pythonforandroid.util import current_directory
 from pythonforandroid.recipe import Recipe
 from multiprocessing import cpu_count
 from os.path import exists
@@ -7,10 +8,11 @@
 
 class LibSecp256k1Recipe(Recipe):
 
+    built_libraries = {'libsecp256k1.so': '.libs'}
+
     url = 'https://github.com/bitcoin-core/secp256k1/archive/master.zip'
 
-    def build_arch(self, arch):
-        super(LibSecp256k1Recipe, self).build_arch(arch)
+    def do_build_libs(self, arch):
         env = self.get_recipe_env(arch)
         with current_directory(self.get_build_dir(arch.arch)):
             if not exists('configure'):
@@ -25,8 +27,6 @@ def build_arch(self, arch):
                 '--enable-module-ecdh',
                 _env=env)
             shprint(sh.make, '-j' + str(cpu_count()), _env=env)
-            libs = ['.libs/libsecp256k1.so']
-            self.install_libs(arch, *libs)
 
 
 recipe = LibSecp256k1Recipe()