+dnl =============================================================
+dnl Checks for typedefs, structures, and compiler characteristics.
+AC_C_CONST
+AC_C_INLINE
+AC_TYPE_SIZE_T
+
+dnl ==========================================================
+dnl Checks for library functions.
+AC_CHECK_FUNCS(vsnprintf vsprintf)
+
+dnl ==========================================================
+dnl My local stuff
+
+AM_ICONV
+
+if test "$am_cv_func_iconv" != yes; then
+ AC_MSG_ERROR([
+*******************************************************************************
+You need 'iconv' to use this library, consider installing GNU libiconv or
+use --with-libiconv-prefix to point to an existing installation of that
+library (see README)
+*******************************************************************************
+ ])
+fi
+
+AC_MSG_CHECKING(for location of iconv)
+if test "$am_cv_lib_iconv" = yes; then
+ AC_MSG_RESULT(libiconv)
+ AC_LIBICONV_HAS_ANSEL
+else
+ AC_MSG_RESULT(libc)
+ AC_GLIBC_ICONV
+ if test "$is_glibc_iconv" = yes; then
+ DIRS="ansel"
+ is_ansel_supported=yes
+ AC_SUBST(DIRS)
+ fi
+fi
+
+if test "$is_ansel_supported" != yes; then
+ AC_MSG_WARN([
+*******************************************************************************
+Your libiconv library doesn't support ANSEL. Consider installing the modified
+libiconv library if you need ANSEL support in the Gedcom parser library (see
+README).
+*******************************************************************************
+ ])
+fi