Added lz4

pythonforandroid/recipes/liblz4/__init__.py

@@ -0,0 +1,48 @@
+import os
+from os.path import join
+
+import sh
+
+from pythonforandroid.logger import shprint
+from pythonforandroid.recipe import Recipe
+from pythonforandroid.toolchain import current_directory
+
+
+class LibLZ4Recipe(Recipe):
+    name = 'liblz4'
+    version = '1.9.4'  # Use the desired version
+    url = 'https://github.com/lz4/lz4/archive/refs/tags/v{version}.tar.gz'
+    depends = []
+
+    def build_arch(self, arch):
+        env = self.get_recipe_env(arch)
+        build_dir = self.get_build_dir(arch.arch)
+        lib_dir = self.ctx.get_libs_dir(arch.arch)
+        include_dir = join(self.ctx.get_python_install_dir(arch), 'include', 'lz4')
+
+        # Ensure include directory exists
+        if not os.path.exists(include_dir):
+            os.makedirs(include_dir)
+
+        with current_directory(join(build_dir, 'lib')):
+            # Clean previous builds
+            shprint(sh.make, 'clean', _env=env)
+            # Build the static library
+            shprint(sh.make, 'CC={}'.format(env['CC']), 'liblz4.a', _env=env)
+            # Copy the static library to the libs directory
+            sh.cp('liblz4.a', lib_dir)
+            # Copy headers to the include directory
+            sh.cp('lz4.h', include_dir)
+            sh.cp('lz4frame.h', include_dir)
+            sh.cp('lz4hc.h', include_dir)
+            sh.cp('xxhash.h', include_dir)
+
+    def get_recipe_env(self, arch):
+        env = super().get_recipe_env(arch)
+        # Ensure the correct compiler is used
+        python_recipe = self.get_recipe('python3', self.ctx)
+        env['CC'] = python_recipe.get_recipe_env(arch)['CC']
+        return env
+
+
+recipe = LibLZ4Recipe()

pythonforandroid/recipes/lz4/__init__.py

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+from os.path import join
+
+from pythonforandroid.recipe import CompiledComponentsPythonRecipe
+
+
+class Lz4Recipe(CompiledComponentsPythonRecipe):
+    name = 'lz4'
+    version = '4.3.2'  # Use the desired version
+    url = 'https://pypi.python.org/packages/source/l/lz4/lz4-{version}.tar.gz'
+    depends = ['setuptools', 'liblz4']
+    call_hostpython_via_targetpython = False
+
+    def get_recipe_env(self, arch):
+        env = super().get_recipe_env(arch)
+        ctx = self.ctx
+
+        # Include the headers from liblz4
+        lz4_include_dir = join(ctx.get_python_install_dir(arch), 'include', 'lz4')
+        env['CFLAGS'] += f' -I{lz4_include_dir}'
+
+        # Link against the liblz4 library
+        lz4_lib_dir = ctx.get_libs_dir(arch.arch)
+        env['LDFLAGS'] += f' -L{lz4_lib_dir} -llz4'
+
+        return env
+
+
+recipe = Lz4Recipe()