Commit 939b67e699e2cf28035adfb0d601ae203ef24e26

Jim Meyering 2001-08-04T17:00:11

(jm_PREREQ_MBSWIDTH): No longer requires AM_C_PROTOTYPES. Check for iswcntrl, mbsinit. Use AC_TRY_COMPILE, not AC_CHECK_DECLS, for portability to Autoconf 2.13.