-AC_INIT(sample_plugin, 1.0)
+AC_INIT(vpp_plugins, 1.0)
LT_INIT
AM_INIT_AUTOMAKE
AM_SILENT_RULES([yes])
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], [$1], [, ])
+])
+
+ENABLE_ARG(dlmalloc, [Enable dlmalloc])
+AC_SUBST(DLMALLOC, [-DUSE_DLMALLOC=${n_enable_dlmalloc}])
+
+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])