libgpiod: build python bindings

packages/addons/addon-depends/libgpiod/package.mk

@@ -7,9 +7,21 @@ PKG_SHA256="ae35329db7027c740e90c883baf27c26311f0614e6a7b115771b28188b992aec"
 PKG_LICENSE="GPLv2+"
 PKG_SITE="https://git.kernel.org/pub/scm/libs/libgpiod/libgpiod.git/about/"
 PKG_URL="https://git.kernel.org/pub/scm/libs/libgpiod/libgpiod.git/snapshot/libgpiod-${PKG_VERSION}.tar.gz"
-PKG_DEPENDS_TARGET="toolchain"
+PKG_DEPENDS_TARGET="toolchain Python3 distutilscross:host"
 PKG_LONGDESC="Tools for interacting with the linux GPIO character device."
 PKG_TOOLCHAIN="autotools"
-PKG_BUILD_FLAGS="+pic"
+PKG_BUILD_FLAGS="+pic -sysroot"
 
 PKG_CONFIGURE_OPTS_TARGET="--enable-tools --disable-shared"
+
+post_make_target() {
+  (
+    export PYTHONXCPREFIX="${SYSROOT_PREFIX}/usr"
+    export LDFLAGS+=" -L${PKG_BUILD}/.${TARGET_NAME}/lib/.libs"
+    export LDSHARED="${CC} -shared"
+    export CFLAGS+=" -fcommon -I${PKG_BUILD}/include"
+    export CPPFLAGS="${TARGET_CPPFLAGS} -I${SYSROOT_PREFIX}/usr/include/${PKG_PYTHON_VERSION}"
+    cd ../bindings/python
+    python3 setup.py build
+  )
+}

packages/addons/addon-depends/libgpiod/patches/libgpiod_setuptools-errors.patch

@@ -0,0 +1,11 @@
+--- a/bindings/python/setup.py	2024-11-12 14:29:25.000000000 +0100
++++ b/bindings/python/setup.py	2025-01-05 17:00:00.000000000 +0100
+@@ -8,7 +8,7 @@
+ from setuptools.command.build_ext import build_ext as orig_build_ext
+ from setuptools.command.sdist import log
+ from setuptools.command.sdist import sdist as orig_sdist
+-from setuptools.errors import BaseError
++from distutils.errors import DistutilsError as BaseError
+ 
+ LINK_SYSTEM_LIBGPIOD = getenv("LINK_SYSTEM_LIBGPIOD") == "1"
+ LIBGPIOD_MINIMUM_VERSION = "2.1"