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configure: Make libnl optional unless macvtap is required

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If macvtap is required then libnl has to be available, otherwise
libnl is optional.
This commit is contained in:
Matthias Bolte 2011-06-23 11:51:00 -04:00 committed by Stefan Berger
parent 1b68d3f099
commit 20991b937b
1 changed files with 9 additions and 3 deletions
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12
configure.ac
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@ -2371,13 +2371,19 @@ dnl netlink library
LIBNL_CFLAGS=""
LIBNL_LIBS=""
have_libnl=no
if test "$with_macvtap" = "yes"; then
if test "$with_linux" = "yes"; then
PKG_CHECK_MODULES([LIBNL], [libnl-1 >= $LIBNL_REQUIRED], [
have_libnl=yes
AC_DEFINE_UNQUOTED([HAVE_LIBNL], 1, [whether the netlink library is available])
], [
AC_MSG_ERROR([libnl-devel >= $LIBNL_REQUIRED is required for macvtap support])
if test "$with_macvtap" = "yes"; then
AC_MSG_ERROR([libnl-devel >= $LIBNL_REQUIRED is required for macvtap support])
fi
])
fi
AM_CONDITIONAL([HAVE_LIBNL], [test "$have_libnl" = "yes"])
AC_SUBST([LIBNL_CFLAGS])
AC_SUBST([LIBNL_LIBS])
@ -2574,7 +2580,7 @@ AC_MSG_NOTICE([ pcap: $LIBPCAP_CFLAGS $LIBPCAP_LIBS])
else
AC_MSG_NOTICE([ pcap: no])
fi
if test "$with_macvtap" = "yes" ; then
if test "$have_libnl" = "yes" ; then
AC_MSG_NOTICE([ nl: $LIBNL_CFLAGS $LIBNL_LIBS])
else
AC_MSG_NOTICE([ nl: no])