libnet.h is not optional. error out if ENOEXIST

2 files changed, 12 insertions, 0 deletions

diff --git a/configure b/configure
index f4587ce..979787d 100755
--- a/configure
+++ b/configure
@@ -4749,6 +4749,13 @@ fi
 done
 
 
+# Libnet include file is not optional
+if test ! x$ac_cv_header_libnet_h = xyes; then
+  { { echo "$as_me:$LINENO: error: Can't find libnet.h. See INSTALL file for where to get Libnet" >&5
+echo "$as_me: error: Can't find libnet.h. See INSTALL file for where to get Libnet" >&2;}
+   { (exit 1); exit 1; }; }
+fi
+
 # Checks for typedefs, structures, and compiler characteristics.
 { echo "$as_me:$LINENO: checking for an ANSI C-conforming const" >&5
 echo $ECHO_N "checking for an ANSI C-conforming const... $ECHO_C" >&6; }
diff --git a/configure.ac b/configure.ac
index efce587..869ee3c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -38,6 +38,11 @@ win32/libnet.h \
 net/bpf.h \
 unistd.h])
 
+# Libnet include file is not optional
+if test ! x$ac_cv_header_libnet_h = xyes; then
+  AC_MSG_ERROR([Can't find libnet.h. See INSTALL file for where to get Libnet])
+fi
+
 # Checks for typedefs, structures, and compiler characteristics.
 AC_C_CONST
 AC_HEADER_TIME