mail: add greyfix

Signed-off-by: Lucian Cristian <lucian.cristian@gmail.com>

mail/greyfix/Makefile

@@ -0,0 +1,46 @@
+#
+# Copyright (C) 2017 Lucian Cristian <lucian.cristian@gmail.com>
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=greyfix
+PKG_VERSION:=0.4.0
+PKG_RELEASE:=1
+
+PKG_SOURCE_URL:=http://www.kim-minh.com/pub/greyfix
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
+PKG_HASH:=26013edce3a38d586282bfc22eb91bd22df54e3558ea1b3dae54d3e7a769e4fe
+
+MAINTAINER:=Lucian Cristian <lucian.cristian@gmail.com>
+PKG_LICENSE:=GPLv2
+
+PKG_BUILD_PARALLEL:=1
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/greyfix
+  SECTION:=mail
+  CATEGORY:=Mail
+  DEPENDS:=+libdb47
+  TITLE:=Greyfix - greylisting with Postfix.
+  URL:=http://www.kim-minh.com/pub/greyfix/
+endef
+
+define Package/greyfix/description
+	Greyfix is the greylisting policy daemon for Postfix written by Kim Minh Kaplan.
+endef
+
+CONFIGURE_ARGS += \
+	--localstatedir=/usr/lib \
+
+define Package/greyfix/install
+	$(INSTALL_DIR)  $(1)/usr/sbin \
+			$(1)/usr/lib/greyfix
+	$(CP) $(PKG_BUILD_DIR)/greyfix $(1)/usr/sbin/
+endef
+
+$(eval $(call BuildPackage,greyfix))

mail/greyfix/patches/100-ignore_cross_compile_test.patch

@@ -0,0 +1,40 @@
+--- a/configure	2017-03-08 20:12:00.720885949 +0200
++++ b/configure	2017-03-08 20:12:51.210722711 +0200
+@@ -4190,37 +4190,6 @@
+ 
+ fi
+ 
+-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking match between Berkeley DB header files and runtime" >&5
+-$as_echo_n "checking match between Berkeley DB header files and runtime... " >&6; }
+-if test "$cross_compiling" = yes; then :
+-  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+-as_fn_error $? "cannot run test program while cross compiling
+-See \`config.log' for more details" "$LINENO" 5; }
+-else
+-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+-/* end confdefs.h.  */
+-#include <db.h>
+-int
+-main ()
+-{
+-int M, m; db_version(&M, &m, 0);
+-			       return DB_VERSION_MAJOR != M || DB_VERSION_MINOR != m;
+-  ;
+-  return 0;
+-}
+-_ACEOF
+-if ac_fn_c_try_run "$LINENO"; then :
+-
+-else
+-  as_fn_error $? "Berkeley DB header file does not match the library file" "$LINENO" 5
+-fi
+-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+-fi
+-
+-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+-$as_echo "yes" >&6; }
+ ac_config_files="$ac_config_files Makefile"
+ 
+ cat >confcache <<\_ACEOF