Merge pull request #151 from kivy/pycrypto_recipe

New Pycrypto recipe

recipes/pycrypto/__init__.py

@@ -0,0 +1,45 @@
+'''Recipe for pycrypto on ios
+'''
+from toolchain import CythonRecipe, shprint
+from os.path import join, exists
+import sh
+import os
+
+
+class PycryptoRecipe(CythonRecipe):
+    version = "2.6.1"
+    url = "https://ftp.dlitz.net/pub/dlitz/crypto/pycrypto/pycrypto-{version}.tar.gz"
+    depends = ["python", "openssl"]
+    include_per_arch = True
+    library="libpycrypto.a"
+
+
+    def build_arch(self, arch):
+        build_env = arch.get_env()
+        self.apply_patch('hash_SHA2_template.c.patch', target_dir=self.build_dir + '/src')
+        configure = sh.Command(join(self.build_dir, "configure"))
+        shprint(configure,
+                "CC={}".format(build_env["CC"]),
+                "LD={}".format(build_env["LD"]),
+                "CFLAGS={}".format(build_env["CFLAGS"]),
+                "LDFLAGS={} -Wno-error ".format(build_env["LDFLAGS"]),
+                "--prefix=/",
+                "--host={}".format(arch),
+                "ac_cv_func_malloc_0_nonnull=yes",
+                "ac_cv_func_realloc_0_nonnull=yes",
+               )     
+        hostpython = sh.Command(self.ctx.hostpython)
+        super(PycryptoRecipe, self).build_arch(arch)
+
+    def install(self):
+        arch = list(self.filtered_archs)[0]
+        build_dir = self.get_build_dir(arch.arch)
+        os.chdir(build_dir)
+        hostpython = sh.Command(self.ctx.hostpython)
+        build_env = arch.get_env()
+        dest_dir = join(self.ctx.dist_dir, "root", "python")
+        build_env['PYTHONPATH'] = join(dest_dir, 'lib', 'python2.7', 'site-packages')
+        shprint(hostpython, "setup.py", "install", "--prefix", dest_dir, _env=build_env)
+
+recipe = PycryptoRecipe()
+

recipes/pycrypto/hash_SHA2_template.c.patch

@@ -0,0 +1,11 @@
+--- ../src/src/hash_SHA2_template.c	2015-07-15 15:25:59.000000000 +0530
++++ src/hash_SHA2_template.c	2015-07-17 15:35:13.000000000 +0530
+@@ -87,7 +87,7 @@
+  * return 1 on success
+  * return 0 if the length overflows
+  */
+-static int add_length(hash_state *hs, sha2_word_t inc) {
++int add_length(hash_state *hs, sha2_word_t inc) {
+     sha2_word_t overflow_detector;
+     overflow_detector = hs->length_lower;
+     hs->length_lower += inc;

toolchain.py

@@ -428,14 +428,15 @@ class Recipe(object):
             print("Unrecognized extension for {}".format(filename))
             raise Exception()
 
-    def apply_patch(self, filename):
+    def apply_patch(self, filename, target_dir=''):
         """
         Apply a patch from the current recipe directory into the current
         build directory.
         """
+        target_dir = target_dir or self.build_dir
         print("Apply patch {}".format(filename))
         filename = join(self.recipe_dir, filename)
-        sh.patch("-t", "-d", self.build_dir, "-p1", "-i", filename)
+        sh.patch("-t", "-d", target_dir, "-p1", "-i", filename)
 
     def copy_file(self, filename, dest):
         print("Copy {} to {}".format(filename, dest))