+dnl =============================================================
+dnl Checks for libraries.
+AM_GNU_GETTEXT([use-libtool],[need-ngettext])
+
+dnl =============================================================
+dnl Checks for typedefs, structures, and compiler characteristics.
+AC_C_CONST
+AC_C_INLINE
+AC_TYPE_SIZE_T
+AC_CHECK_SIZEOF(void *, 4)
+
+dnl ==========================================================
+dnl Checks for library functions.
+AC_CHECK_HEADERS(stddef.h stdlib.h string.h)
+AC_CHECK_FUNCS(setlocale vsnprintf vsprintf)
+jm_LANGINFO_CODESET
+jm_GLIBC21
+
+dnl ==========================================================
+dnl My local stuff
+
+AM_ICONV
+gedcom_SANE_ICONV
+if test "$am_cv_func_iconv" != yes -o "$is_iconv_sane" != yes; then
+ AC_MSG_ERROR([
+*******************************************************************************
+You need 'iconv' (with features comparable to what is in glibc 2.2) to use this
+library, consider installing GNU libiconv or use --with-libiconv-prefix to
+point to an existing installation of that library (see README)
+*******************************************************************************
+ ])
+fi