diff --git a/configure.ac b/configure.ac
index 4e88a267e6dd8f710ed9b7e8f3e3767d50ac6b2f..44d10cf666197d75b61233cff26e6d4dec69c25a 100644 (file)
--- a/configure.ac
+++ b/configure.ac
AC_DEFINE(_REENTRANT, 1, [Define to enable reentrancy interfaces.])
AC_MSG_CHECKING([whether compiler builds 64bit binaries])
- AC_PREPROC_IFELSE([AC_LANG_PROGRAM([
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
#ifndef _LP64
# error "Compiler not in 64bit mode."
#endif