Merge from bittboy/buildroot@db180c0

package/python-cffi/Config.in

@@ -0,0 +1,10 @@
+config BR2_PACKAGE_PYTHON_CFFI
+	bool "python-cffi"
+	select BR2_PACKAGE_LIBFFI
+	select BR2_PACKAGE_PYTHON_PYCPARSER # runtime
+	help
+	  This is the Foreign Function Interface for Python calling C
+	  code. The aim of this project is to provide a convenient
+	  and reliable way of calling C code from Python.
+
+	  https://pypi.python.org/pypi/cffi

package/python-cffi/python-cffi.hash

@@ -0,0 +1,4 @@
+# md5 from https://pypi.python.org/pypi/cffi/json, sha256 locally computed
+md5	35ad1f9e1003cac9404c1493eb10d7f5  cffi-1.12.3.tar.gz
+sha256	041c81822e9f84b1d9c401182e174996f0bae9991f33725d059b771744290774  cffi-1.12.3.tar.gz
+sha256  04b80f5b077bbed68808cfebadeb5e3523f2a8c9a96495c587bd96df1eac2a33  LICENSE

package/python-cffi/python-cffi.mk

@@ -0,0 +1,27 @@
+################################################################################
+#
+# python-cffi
+#
+################################################################################
+
+PYTHON_CFFI_VERSION = 1.12.3
+PYTHON_CFFI_SOURCE = cffi-$(PYTHON_CFFI_VERSION).tar.gz
+PYTHON_CFFI_SITE = https://files.pythonhosted.org/packages/93/1a/ab8c62b5838722f29f3daffcc8d4bd61844aa9b5f437341cc890ceee483b
+PYTHON_CFFI_SETUP_TYPE = setuptools
+PYTHON_CFFI_DEPENDENCIES = host-pkgconf libffi
+PYTHON_CFFI_LICENSE = MIT
+PYTHON_CFFI_LICENSE_FILES = LICENSE
+
+# This host package uses pkg-config to find libffi, so we have to
+# provide the proper hints for pkg-config to behave properly for host
+# packages.
+HOST_PYTHON_CFFI_ENV = \
+	PKG_CONFIG_ALLOW_SYSTEM_CFLAGS=1 \
+	PKG_CONFIG_ALLOW_SYSTEM_LIBS=1 \
+	PKG_CONFIG="$(PKG_CONFIG_HOST_BINARY)" \
+	PKG_CONFIG_SYSROOT_DIR="/" \
+	PKG_CONFIG_LIBDIR="$(HOST_DIR)/lib/pkgconfig:$(HOST_DIR)/share/pkgconfig"
+HOST_PYTHON_CFFI_DEPENDENCIES = host-pkgconf host-python-pycparser host-libffi
+
+$(eval $(python-package))
+$(eval $(host-python-package))