✨ Add libwebp recipe

pythonforandroid/recipes/libwebp/__init__.py

@@ -0,0 +1,50 @@
+from multiprocessing import cpu_count
+from os.path import join
+
+import sh
+
+from pythonforandroid.util import current_directory, ensure_dir
+from pythonforandroid.toolchain import shprint
+from pythonforandroid.recipe import Recipe
+
+
+class LibwebpRecipe(Recipe):
+    version = '1.1.0'
+    url = 'https://storage.googleapis.com/downloads.webmproject.org/releases/webp/libwebp-{version}.tar.gz'  # noqa
+    depends = []
+    built_libraries = {
+        'libwebp.so': 'installation/lib',
+        'libwebpdecoder.so': 'installation/lib',
+        'libwebpdemux.so': 'installation/lib',
+        'libwebpmux.so': 'installation/lib',
+    }
+
+    def build_arch(self, arch):
+        source_dir = self.get_build_dir(arch.arch)
+        build_dir = join(source_dir, 'build')
+        install_dir = join(source_dir, 'installation')
+        toolchain_file = join(
+            self.ctx.ndk_dir, 'build', 'cmake', 'android.toolchain.cmake',
+        )
+
+        ensure_dir(build_dir)
+        with current_directory(build_dir):
+            env = self.get_recipe_env(arch)
+            shprint(sh.cmake, source_dir,
+                    f'-DANDROID_ABI={arch.arch}',
+                    f'-DANDROID_NATIVE_API_LEVEL={self.ctx.ndk_api}',
+
+                    f'-DCMAKE_TOOLCHAIN_FILE={toolchain_file}',
+                    f'-DCMAKE_INSTALL_PREFIX={install_dir}',
+                    '-DCMAKE_BUILD_TYPE=Release',
+
+                    '-DBUILD_SHARED_LIBS=1',
+
+                    _env=env)
+            shprint(sh.make, '-j' + str(cpu_count()), _env=env)
+            # We make the install because this way we will have
+            # all the includes and libraries in one place
+            shprint(sh.make, 'install', _env=env)
+
+
+recipe = LibwebpRecipe()