X-Git-Url: https://git.ozlabs.org/?a=blobdiff_plain;f=m4%2Fax_check_pcap.m4;h=379a1137f4e6d4064c899e1e805cfb4716a05b44;hb=59342ab622a96393d25d3a2f0592c8675e771295;hp=155f6df390e7bd5a211a8e4a0b96dd8111e19049;hpb=2883dd07101bf851e2ea368f0c04c91aea85cff2;p=ppp.git

diff --git a/m4/ax_check_pcap.m4 b/m4/ax_check_pcap.m4
index 155f6df..379a113 100644
--- a/m4/ax_check_pcap.m4
+++ b/m4/ax_check_pcap.m4
@@ -41,7 +41,7 @@ AC_DEFUN([AX_CHECK_PCAP], [
             esac
         ])
     
-    if [ test "${with_pcap}" != "no" ] ; then
+    if [ test "x${with_pcap}" != "xno" ] ; then
         PCAP_LIBS="-lpcap"
         for pcapdir in $pcapdirs; do
             AC_MSG_CHECKING([for pcap.h in $pcapdir])
@@ -76,7 +76,7 @@ AC_DEFUN([AX_CHECK_PCAP], [
                 $1
             ], [
                 AC_MSG_RESULT([no])
-                with_pcap=""
+                with_pcap="no"
                 $2
             ])
         CPPFLAGS="$save_CPPFLAGS"
@@ -88,6 +88,6 @@ AC_DEFUN([AX_CHECK_PCAP], [
         AC_SUBST([PCAP_LDFLAGS])
     fi
 
-    AM_CONDITIONAL(WITH_PCAP, test -n "${with_pcap}")
+    AM_CONDITIONAL(WITH_PCAP, test "x${with_pcap}" != "xno")
 ])