100-configure.patch

--- a/configure
+++ b/configure
@@ -39,7 +39,8 @@ int main(int argc, char **argv) {
 }
 EOF

-    if $CC -I$INCLUDE -o $TMPDIR/atmtest $TMPDIR/atmtest.c -latm >/dev/null 2>&1; then
+# OpenWrt: disable ATM support even if present on host system
+    if [ 1 -eq 0 ]; then
    echo "TC_CONFIG_ATM:=y" >>$CONFIG
    echo yes
     else
--- a/configure
+++ b/configure
@@ -321,27 +321,22 @@
     else
         LIBBPF_CFLAGS=$(${PKG_CONFIG} libbpf --cflags)
         LIBBPF_LDLIBS=$(${PKG_CONFIG} libbpf --libs)
         LIBBPF_VERSION=$(${PKG_CONFIG} libbpf --modversion)
     fi

-    if ! have_libbpf_basic; then
-        echo "no"
-        echo " libbpf version $LIBBPF_VERSION is too low, please update it to at least 0.1.0"
-        check_force_libbpf_on
-        return
-    else
+
         echo "HAVE_LIBBPF:=y" >> $CONFIG
         echo 'CFLAGS += -DHAVE_LIBBPF ' $LIBBPF_CFLAGS >> $CONFIG
         echo "CFLAGS += -DLIBBPF_VERSION=\\\"$LIBBPF_VERSION\\\"" >> $CONFIG
         echo 'LDLIBS += ' $LIBBPF_LDLIBS >> $CONFIG

         if [ -z "$LIBBPF_DIR" ]; then
             echo "CFLAGS += -DLIBBPF_DYNAMIC" >> $CONFIG
         fi
-    fi
+

     # bpf_program__title() is deprecated since libbpf 0.2.0, use
     # bpf_program__section_name() instead if we support
     if have_libbpf_sec_name; then
         echo "HAVE_LIBBPF_SECTION_NAME:=y" >> $CONFIG
         echo 'CFLAGS += -DHAVE_LIBBPF_SECTION_NAME ' >> $CONFIG