lftp: fix issues with multiple signbit definitions and remove from the blacklist

Signed-off-by: Derek Straka <derek@asterius.io>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Signed-off-by: Joe MacDonald <joe_macdonald@mentor.com>

meta-networking/recipes-connectivity/lftp/files/fix-gcc-6-conflicts-signbit.patch

@@ -0,0 +1,44 @@
+--- lftp-4.6.3a/src/NetAccess.cc.orig	2016-06-18 10:25:51.063358981 -0400
++++ lftp-4.6.3a/src/NetAccess.cc	2016-06-18 10:26:04.143359209 -0400
+@@ -21,7 +21,7 @@
+ 
+ #include <errno.h>
+ #include <assert.h>
+-#include <math.h>
++#include <cmath>
+ #include <sys/types.h>
+ 
+ #include "NetAccess.h"
+--- lftp-4.6.3a/src/Speedometer.cc.orig	2016-06-18 10:24:58.895358073 -0400
++++ lftp-4.6.3a/src/Speedometer.cc	2016-06-18 10:25:10.879358281 -0400
+@@ -18,7 +18,7 @@
+  */
+ 
+ #include <config.h>
+-#include <math.h>
++#include <cmath>
+ #include <stdlib.h>
+ #include "Speedometer.h"
+ #include "misc.h"
+--- lftp-4.6.3a/src/FileCopy.cc.orig	2016-06-18 10:24:15.939357325 -0400
++++ lftp-4.6.3a/src/FileCopy.cc	2016-06-18 10:24:24.583357475 -0400
+@@ -36,7 +36,7 @@
+ #include <sys/types.h>
+ #include <sys/stat.h>
+ #include <fcntl.h>
+-#include <math.h>
++#include <cmath>
+ #include <stddef.h>
+ #include "FileCopy.h"
+ #include "url.h"
+--- lftp-4.6.3a/src/ResMgr.cc.orig	2016-06-18 10:23:31.387356549 -0400
++++ lftp-4.6.3a/src/ResMgr.cc	2016-06-18 10:23:41.771356729 -0400
+@@ -23,7 +23,7 @@
+ #include <ctype.h>
+ #include <unistd.h>
+ #include <stdlib.h>
+-#include <math.h>
++#include <cmath>
+ #include <sys/types.h>
+ #include <sys/stat.h>
+ #include <errno.h>

meta-networking/recipes-connectivity/lftp/lftp_4.6.3a.bb

@@ -8,6 +8,7 @@ LIC_FILES_CHKSUM = "file://COPYING;md5=d32239bcb673463ab874e80d47fae504"
 DEPENDS = "readline"
 
 SRC_URI = "http://fossies.org/linux/misc/lftp-${PV}.tar.gz \
+           file://fix-gcc-6-conflicts-signbit.patch \
           "
 SRC_URI[md5sum] = "2777dd514d21fe1da764bedd1d0ab36c"
 SRC_URI[sha256sum] = "a8b53e5ca2c1acbecd181c87f21a8673ca9038dc9f2be6ab8c23790bd91fd446"
@@ -24,6 +25,3 @@ PACKAGECONFIG[gnutls] = "--with-gnutls, --without-gnutls, gnutls"
 
 FILES_${PN}-dbg += "${libdir}/lftp/${PV}/.debug"
 RDEPENDS_${PN} = "perl bash readline"
-
-# http://errors.yoctoproject.org/Errors/Details/68625/
-PNBLACKLIST[lftp] ?= "BROKEN: fails to build with gcc-6"