+2020-05-08 Bruno Haible <bruno@clisp.org>
+
+ c32rtomb: Avoid compilation failure on Haiku.
+ * m4/c32rtomb.m4 (gl_FUNC_C32RTOMB): Test for c32rtomb without excluding
+ inline definitions.
+ * doc/posix-functions/c32rtomb.texi: Mention the Haiku problem.
+
2020-05-08 Bruno Haible <bruno@clisp.org>
mbrtoc32: Avoid compilation failure on Haiku.
-# c32rtomb.m4 serial 1
+# c32rtomb.m4 serial 2
dnl Copyright (C) 2020 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
AC_REQUIRE([gl_MBRTOC32_SANITYCHECK])
- AC_CHECK_FUNCS_ONCE([c32rtomb])
- if test $ac_cv_func_c32rtomb = no; then
+ dnl We can't use AC_CHECK_FUNC here, because c32rtomb() is defined as a
+ dnl static inline function on Haiku 2020.
+ AC_CACHE_CHECK([for c32rtomb], [gl_cv_func_c32rtomb],
+ [AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[#include <stdlib.h>
+ #include <uchar.h>
+ ]],
+ [[char buf[8];
+ return c32rtomb (buf, 0, NULL) == 0;
+ ]])
+ ],
+ [gl_cv_func_c32rtomb=yes],
+ [gl_cv_func_c32rtomb=no])
+ ])
+ if test $gl_cv_func_c32rtomb = no; then
HAVE_C32RTOMB=0
else
dnl When we override mbrtoc32, redefining the meaning of the char32_t