Thanks, applied as ea5a3062b785f280a6a580859c9d4217dd52d2cc.

Michael

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On Mon, 06 Jul 2020 08:31:59 +0200, Alexander Dahl <[email protected]> wrote:
> There are two commits upstream since the v1.5.3 release which both fix
> build errors in certain environments.
> 
> Signed-off-by: Alexander Dahl <[email protected]>
> Message-Id: <[email protected]>
> Signed-off-by: Michael Olbrich <[email protected]>
> 
> diff --git 
> a/patches/dropwatch-1.5.3/0001-Fix-build-issue-when-compiling-with-Wcast-align.patch
>  
> b/patches/dropwatch-1.5.3/0001-Fix-build-issue-when-compiling-with-Wcast-align.patch
> new file mode 100644
> index 000000000000..d63d0b18a531
> --- /dev/null
> +++ 
> b/patches/dropwatch-1.5.3/0001-Fix-build-issue-when-compiling-with-Wcast-align.patch
> @@ -0,0 +1,47 @@
> +From: Neil Horman <[email protected]>
> +Date: Sat, 21 Mar 2020 07:22:29 -0400
> +Subject: [PATCH] Fix build issue when compiling with -Wcast-align
> +
> +Passing a char buffer cast to struct nlmsghdr * violates the rules of
> +-Wcast-align on some arches, as described in :
> +https://github.com/nhorman/dropwatch/issues/26
> +
> +Fix it by declaring the buffer as a struct nlmsghdr, and casting to a
> +less alligned type
> +
> +Signed-off-by: Neil Horman <[email protected]>
> +---
> + src/main.c | 6 +++---
> + 1 file changed, 3 insertions(+), 3 deletions(-)
> +
> +diff --git a/src/main.c b/src/main.c
> +index bd87085d7dc8..2253fc4eb8c1 100644
> +--- a/src/main.c
> ++++ b/src/main.c
> +@@ -267,7 +267,7 @@ int send_netlink_message(struct netlink_message *msg)
> + 
> + struct netlink_message *recv_netlink_message(int *err)
> + {
> +-    static unsigned char *buf;
> ++    static struct nlmsghdr *buf;
> +     struct netlink_message *msg;
> +     struct genlmsghdr *glm;
> +     struct sockaddr_nl nla;
> +@@ -277,7 +277,7 @@ struct netlink_message *recv_netlink_message(int *err)
> +     *err = 0;
> + 
> +     do {
> +-            rc = nl_recv(nsd, &nla, &buf, NULL);
> ++            rc = nl_recv(nsd, &nla, (unsigned char **)&buf, NULL);
> +             if (rc < 0) {
> +                     switch (errno) {
> +                     case EINTR:
> +@@ -294,7 +294,7 @@ struct netlink_message *recv_netlink_message(int *err)
> +             }
> +     } while (rc == 0);
> + 
> +-    msg = wrap_netlink_msg((struct nlmsghdr *)buf);
> ++    msg = wrap_netlink_msg(buf);
> + 
> +     type = ((struct nlmsghdr *)msg->msg)->nlmsg_type;
> + 
> diff --git a/patches/dropwatch-1.5.3/0002-Fix-configure-for-libnl3-genl.patch 
> b/patches/dropwatch-1.5.3/0002-Fix-configure-for-libnl3-genl.patch
> new file mode 100644
> index 000000000000..5c39d820134d
> --- /dev/null
> +++ b/patches/dropwatch-1.5.3/0002-Fix-configure-for-libnl3-genl.patch
> @@ -0,0 +1,43 @@
> +From: Neil Horman <[email protected]>
> +Date: Wed, 20 May 2020 07:08:47 -0400
> +Subject: [PATCH] Fix configure for libnl3-genl
> +
> +Apparently, way back when we wrote the configure script, we included a
> +package check for libnl, but not libnl3-genl (ostensibly because it
> +didn't exist I think), and so we hardcoded linking to -lnl3-genl.  The
> +pkg-config file for that library exists now, so lets actually test for
> +it during the running of configure, and use its output during make
> +
> +Signed-off-by: Neil Horman <[email protected]>
> +---
> + configure.ac    | 1 +
> + src/Makefile.am | 4 ++--
> + 2 files changed, 3 insertions(+), 2 deletions(-)
> +
> +diff --git a/configure.ac b/configure.ac
> +index ad917022eb82..278da5479152 100644
> +--- a/configure.ac
> ++++ b/configure.ac
> +@@ -14,6 +14,7 @@ AC_PROG_AWK
> + AC_CHECK_FUNCS(getopt_long)
> + 
> + PKG_CHECK_MODULES([LIBNL3], [libnl-3.0], [], [AC_MSG_ERROR([libnl-3.0 is 
> required])])
> ++PKG_CHECK_MODULES([LIBNLG3], [libnl-genl-3.0], [], 
> [AC_MSG_ERROR([libnl-genl-3.0 is required])])
> + # Fallback on using -lreadline as readline.pc is only available since 
> version 8.0
> + PKG_CHECK_MODULES([READLINE], [readline], [], [READLINE_LIBS=-lreadline])
> + PKG_CHECK_MODULES([LIBPCAP], [libpcap], [], [
> +diff --git a/src/Makefile.am b/src/Makefile.am
> +index a324fd36eb9e..f56a39dcf274 100644
> +--- a/src/Makefile.am
> ++++ b/src/Makefile.am
> +@@ -1,8 +1,8 @@
> + 
> + bin_PROGRAMS = dropwatch dwdump
> + 
> +-AM_CFLAGS = -g -Wall -Werror $(LIBNL3_CFLAGS) $(READLINE_CFLAGS)
> +-AM_LDFLAGS = $(LIBNL3_LIBS) -lnl-genl-3 $(READLINE_LIBS) -lpcap
> ++AM_CFLAGS = -g -Wall -Werror $(LIBNL3_CFLAGS) $(LIBNLG3_CFLAGS) 
> $(READLINE_CFLAGS)
> ++AM_LDFLAGS = $(LIBNL3_LIBS) $(LIBNLG3_LIBS) $(READLINE_LIBS) -lpcap
> + AM_CPPFLAGS = -D_GNU_SOURCE
> + 
> + dropwatch_SOURCES = main.c lookup.c lookup_kas.c
> diff --git a/patches/dropwatch-1.5.3/series b/patches/dropwatch-1.5.3/series
> new file mode 100644
> index 000000000000..f3c5dd88de16
> --- /dev/null
> +++ b/patches/dropwatch-1.5.3/series
> @@ -0,0 +1,5 @@
> +# generated by git-ptx-patches
> +#tag:base --start-number 1
> +0001-Fix-build-issue-when-compiling-with-Wcast-align.patch
> +0002-Fix-configure-for-libnl3-genl.patch
> +# 68fccae5492fb3b53d1b549cfe32ed5f  - git-ptx-patches magic

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