diff --git a/configure.ac b/configure.ac
index 8f6c0f257f01ca9f019df1fd28e346a454e38b4d..b2eb323509c7f594846f44a4cd3018c057da0afd 100644 (file)
--- a/configure.ac
+++ b/configure.ac
dnl Checks for header files.
AC_HEADER_STDC
AC_HEADER_DIRENT
-AC_CHECK_HEADERS(sys/stat.h sys/types.h fcntl.h locale.h fp_class.h malloc.h unistd.h ieeefp.h math.h sys/times.h sys/param.h sys/resource.h float.h)
+AC_CHECK_HEADERS(sys/stat.h sys/types.h fcntl.h locale.h fp_class.h malloc.h unistd.h ieeefp.h math.h sys/times.h sys/param.h sys/resource.h float.h strings.h)
dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST