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

[babeltrace.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 450e22491a67e64fc0b79db3749b5c560374dd12..d6216430d17d9221ac858fe0b384d50f4aec7851 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -307,7 +307,7 @@ 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])
 ], [])