Hi, mbchar.h make direct use of the iswcntrl function which is not available on some system. I made a patch using the same workaround as is done in mbswidth.c, although I'm not sure this is valid.
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Index: m4/mbchar.m4 =================================================================== RCS file: /cvsroot/gnulib/gnulib/m4/mbchar.m4,v retrieving revision 1.2 diff -u -r1.2 mbchar.m4 --- m4/mbchar.m4 26 Sep 2005 13:58:51 -0000 1.2 +++ m4/mbchar.m4 28 Jul 2006 05:47:10 -0000 @@ -10,6 +10,7 @@ AC_DEFUN([gl_MBCHAR], [ AC_REQUIRE([AC_GNU_SOURCE]) + AC_CHECK_FUNCS([iswcntrl]) dnl The following line is that so the user can test dnl HAVE_WCHAR_H && HAVE_WCTYPE_H before #include "mbchar.h". AC_CHECK_HEADERS_ONCE(wchar.h wctype.h) Index: lib/mbchar.h =================================================================== RCS file: /cvsroot/gnulib/gnulib/lib/mbchar.h,v retrieving revision 1.3 diff -u -r1.3 mbchar.h --- lib/mbchar.h 28 Jun 2006 13:11:03 -0000 1.3 +++ lib/mbchar.h 28 Jul 2006 05:47:10 -0000 @@ -176,6 +176,10 @@ typedef struct mbchar mbchar_t; +#if !defined iswcntrl && !HAVE_ISWCNTRL +# define iswcntrl(wc) 0 +#endif + /* Access the current character. */ #define mb_ptr(mbc) ((mbc).ptr) #define mb_len(mbc) ((mbc).bytes)
