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Index: bwping-1.7/configure.in
===================================================================
--- bwping-1.7.orig/configure.in
+++ bwping-1.7/configure.in
@@ -32,9 +32,30 @@ AC_CHECK_FUNC(getaddrinfo)
if test $ac_cv_func_getaddrinfo = no; then
AC_SEARCH_LIBS(getaddrinfo, [nsl socket], [], [ echo "getaddrinfo() is required for build"; exit -1 ])
fi
-AC_MSG_CHECKING(for IPv6 support)
-AC_CACHE_VAL(ac_cv_ipv6,
- AC_TRY_RUN([
+
+AC_ARG_ENABLE(ipv6,
+ AC_HELP_STRING([--disable-ipv6],[disable IPv6 support]),
+ [case "${enable_ipv6}" in
+ no)
+ ipv6=no
+ ;;
+ yes)
+ ipv6=yes
+ ;;
+ *)
+ AC_MSG_ERROR([Invalid --enable-ipv6 argument '$enable_ipv6'])
+ ;;
+ esac
+ ], [
+ dnl If nothing is specified, assume auto-detection
+ ipv6=yes
+ ]
+)
+
+if test $ipv6 = yes; then
+ AC_MSG_CHECKING(for IPv6 support)
+ AC_CACHE_VAL(ac_cv_ipv6,
+ AC_TRY_LINK([
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
@@ -54,9 +75,12 @@ main()
ac_cv_ipv6=yes,
ac_cv_ipv6=no,
ac_cv_ipv6=no))
-AC_MSG_RESULT($ac_cv_ipv6)
-if test $ac_cv_ipv6 = yes ; then
- AC_DEFINE(IPV6,, "check if system supports IPV6")
+ if test $ac_cv_ipv6 = yes ; then
+ AC_DEFINE(IPV6,, "check if system supports IPV6")
+ else
+ AC_MSG_ERROR([IPv6 support was request, but not found])
+ fi
+ AC_MSG_RESULT($ac_cv_ipv6)
fi
-AM_CONDITIONAL([BUILDIPV6], [ test $ac_cv_ipv6 = yes ])
+AM_CONDITIONAL([BUILDIPV6], [ test $ipv6 = yes ])
AC_OUTPUT(Makefile)
|
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