X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fexamples%2Fsample-plugin%2Fconfigure.ac;h=69d989183c55f325edd04deb61125779baf663c8;hb=5f21e1bd613b372ea6f8be6423894548dae59bdc;hp=43642732950378fabc49dfef07c9b1a426408a22;hpb=cb034b9b374927c7552e36dcbc306d8456b2a0cb;p=vpp.git

diff --git a/src/examples/sample-plugin/configure.ac b/src/examples/sample-plugin/configure.ac
index 43642732950..69d989183c5 100644
--- a/src/examples/sample-plugin/configure.ac
+++ b/src/examples/sample-plugin/configure.ac
@@ -1,4 +1,4 @@
-AC_INIT(sample_plugin, 1.0)
+AC_INIT(vpp_plugins, 1.0)
 LT_INIT
 AM_INIT_AUTOMAKE
 AM_SILENT_RULES([yes])
@@ -6,4 +6,36 @@ AC_PREFIX_DEFAULT([/usr])
 
 AC_PROG_CC
 
+# Check if compiler supports specific flag
+AC_DEFUN([CC_CHECK_FLAG],
+[
+  AC_MSG_CHECKING([if $CC supports $1])
+  AC_LANG_PUSH([C])
+  ac_saved_cflags="$CFLAGS"
+  CFLAGS="-Werror $1"
+  AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
+  [cc_flag_check=yes],
+  [cc_flag_check=no]
+)
+  AC_MSG_RESULT([$cc_flag_check])
+  CFLAGS="$ac_saved_cflags"
+  AC_LANG_POP([C])
+])
+
+AC_DEFUN([ENABLE_ARG],
+[
+  AC_ARG_ENABLE($1,
+    AC_HELP_STRING(patsubst([--enable-$1],[_],[-]), $2),
+    [enable_$1=yes n_enable_$1=1],
+    [enable_$1=no n_enable_$1=0])
+  AM_CONDITIONAL(m4_toupper(ENABLE_$1), test "$enable_$1" = "yes")
+  m4_append([list_of_enabled], [$1], [, ])
+])
+
+CC_CHECK_FLAG("-Wno-address-of-packed-member")
+AS_IF([test "$cc_flag_check" = yes],
+	[CFLAGS="${CFLAGS} -Wno-address-of-packed-member"], [])
+
 AC_OUTPUT([Makefile])
+
+AC_CONFIG_MACRO_DIR([m4])