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-rw-r--r--readline/aclocal.m49
1 files changed, 8 insertions, 1 deletions
diff --git a/readline/aclocal.m4 b/readline/aclocal.m4
index d1ad025fb06..bc43d8db013 100644
--- a/readline/aclocal.m4
+++ b/readline/aclocal.m4
@@ -1652,8 +1652,15 @@ AC_CHECK_HEADERS(wctype.h)
AC_CHECK_HEADERS(wchar.h)
AC_CHECK_HEADERS(langinfo.h)
+AC_CHECK_FUNC(mbrtowc, AC_DEFINE(HAVE_MBRTOWC))
AC_CHECK_FUNC(mbsrtowcs, AC_DEFINE(HAVE_MBSRTOWCS))
-AC_CHECK_FUNC(wcwidth, AC_DEFINE(HAVE_WCWIDTH))
+AC_CHECK_FUNC(wcwidth, have_wcwidth=yes)
+if test "$have_wcwidth" = yes; then
+ AC_DEFINE(HAVE_WCWIDTH)
+ AC_SUBST(WCWIDTH_OBJ,)
+else
+ AC_SUBST(WCWIDTH_OBJ,wcwidth.o)
+fi
AC_CACHE_CHECK([for mbstate_t], bash_cv_have_mbstate_t,
[AC_TRY_RUN([