Commit v1.4.10-149-gea2a02f added an netinet/ip6.h include, which is
not available on systems without IPv6 header files.
Signed-off-by: Jan Engelhardt <jengelh@xxxxxxxxxx>
---
configure.ac | 1 +
extensions/GNUmakefile.in | 2 +-
extensions/libxt_TCPMSS.c | 6 +++---
3 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/configure.ac b/configure.ac
index 5cb1b1b..6aa0b2a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -68,6 +68,7 @@ if test "$ac_cv_header_linux_ip_vs_h" != "yes"; then
fi;
AC_SUBST([blacklist_modules])
+AC_CHECK_SIZEOF([struct ip6_hdr], [], [#include <netinet/ip6.h>])
AM_CONDITIONAL([ENABLE_STATIC], [test "$enable_static" = "yes"])
AM_CONDITIONAL([ENABLE_SHARED], [test "$enable_shared" = "yes"])
diff --git a/extensions/GNUmakefile.in b/extensions/GNUmakefile.in
index fbaf2ec..2b48d84 100644
--- a/extensions/GNUmakefile.in
+++ b/extensions/GNUmakefile.in
@@ -21,7 +21,7 @@ regular_CPPFLAGS := @regular_CPPFLAGS@
kinclude_CPPFLAGS := @kinclude_CPPFLAGS@
AM_CFLAGS := ${regular_CFLAGS}
-AM_CPPFLAGS = ${regular_CPPFLAGS} -I${top_builddir}/include -I${top_srcdir}/include ${kinclude_CPPFLAGS}
+AM_CPPFLAGS = ${regular_CPPFLAGS} -I${top_builddir}/include -I${top_builddir} -I${top_srcdir}/include ${kinclude_CPPFLAGS}
AM_DEPFLAGS = -Wp,-MMD,$(@D)/.$(@F).d,-MT,$@
ifeq (${V},)
diff --git a/extensions/libxt_TCPMSS.c b/extensions/libxt_TCPMSS.c
index 48ab044..4b71e44 100644
--- a/extensions/libxt_TCPMSS.c
+++ b/extensions/libxt_TCPMSS.c
@@ -2,10 +2,10 @@
*
* Copyright (c) 2000 Marc Boucher
*/
+#include "config.h"
#include <stdio.h>
#include <xtables.h>
#include <netinet/ip.h>
-#include <netinet/ip6.h>
#include <linux/netfilter/xt_TCPMSS.h>
enum {
@@ -34,7 +34,7 @@ static void TCPMSS_help(void)
static void TCPMSS_help6(void)
{
- __TCPMSS_help(sizeof(struct ip6_hdr));
+ __TCPMSS_help(SIZEOF_STRUCT_IP6_HDR);
}
static const struct xt_option_entry TCPMSS4_opts[] = {
@@ -47,7 +47,7 @@ static const struct xt_option_entry TCPMSS4_opts[] = {
static const struct xt_option_entry TCPMSS6_opts[] = {
{.name = "set-mss", .id = O_SET_MSS, .type = XTTYPE_UINT16,
- .min = 0, .max = UINT16_MAX - sizeof(struct ip6_hdr),
+ .min = 0, .max = UINT16_MAX - SIZEOF_STRUCT_IP6_HDR,
.flags = XTOPT_PUT, XTOPT_POINTER(struct xt_tcpmss_info, mss)},
{.name = "clamp-mss-to-pmtu", .id = O_CLAMP_MSS, .type = XTTYPE_NONE},
XTOPT_TABLEEND,
--
1.7.3.4
--
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