m4/ax_lib_elfutils.m4: use m4_default() for optional args.

[babeltrace.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index c6b29d79955663e0fcf53a441e52f17ef860ced4..e74faaa89d39887f1bc3a002f00c8c92c6ca0072 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -281,7 +281,7 @@ AS_IF([test "x$_enable_debug_info" = xyes], [
            # Check if libelf and libdw are present
            AC_CHECK_LIB([elf], [elf_version], [], [AC_MSG_ERROR(Missing libelf (from elfutils >= 0.154) which is required by debug info. You can disable this feature using --disable-debug-info.)])
            AC_CHECK_LIB([dw], [dwarf_begin], [], [AC_MSG_ERROR(Missing libdw (from elfutils >= 0.154) which is required by debug info. You can disable this feature using --disable-debug-info.)])
-           AX_LIB_ELFUTILS([0], [154], [], [AC_MSG_ERROR(elfutils >= 0.154 is required to use the debug info feature. You can disable this feature using --disable-debug-info.)])
+           AX_LIB_ELFUTILS([0], [154], [:], [AC_MSG_ERROR(elfutils >= 0.154 is required to use the debug info feature. You can disable this feature using --disable-debug-info.)])
             AC_DEFINE([ENABLE_DEBUG_INFO], [1], [Define to 1 if you enable the 'debug info' feature])
 ], [])