Martin Lambers wrote:
> gnulib/m4/strndup.m4 checks for a deficient strndup() function. When
> crosscompiling, it assumes that strndup() is broken if the target is AIX
> and that it is ok otherwise.
>
> This fails when crosscompiling to a target that has no strndup()
> function at all, such as MinGW: HAVE_STRNDUP will wrongly be defined to
> 1.
Thanks for reporting this. Does this patch work?
Bruno
2006-07-03 Bruno Haible <[EMAIL PROTECTED]>
* strndup.m4 (gl_FUNC_STRNDUP): When cross-compiling, check whether
the function exists, before testing against AIX.
Reported by Martin Lambers <[EMAIL PROTECTED]>.
*** gnulib-20060703/m4/strndup.m4 2006-05-30 22:24:54.000000000 +0200
--- gnulib-20060703-modified/m4/strndup.m4 2006-07-04 01:48:07.000000000
+0200
***************
*** 1,4 ****
! # strndup.m4 serial 6
dnl Copyright (C) 2002-2003, 2005-2006 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
--- 1,4 ----
! # strndup.m4 serial 7
dnl Copyright (C) 2002-2003, 2005-2006 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
***************
*** 27,39 ****
return s[13] != '\0';]])],
[gl_cv_func_strndup=yes],
[gl_cv_func_strndup=no],
! [AC_EGREP_CPP([too risky], [
#ifdef _AIX
! too risky
#endif
! ],
! [gl_cv_func_strndup=no],
! [gl_cv_func_strndup=yes])])])
if test $gl_cv_func_strndup = yes; then
AC_DEFINE([HAVE_STRNDUP], 1,
[Define if you have the strndup() function and it works.])
--- 27,41 ----
return s[13] != '\0';]])],
[gl_cv_func_strndup=yes],
[gl_cv_func_strndup=no],
! [AC_CHECK_FUNC([strndup],
! [AC_EGREP_CPP([too risky], [
#ifdef _AIX
! too risky
#endif
! ],
! [gl_cv_func_strndup=no],
! [gl_cv_func_strndup=yes])],
! [gl_cv_func_strndup=no])])])
if test $gl_cv_func_strndup = yes; then
AC_DEFINE([HAVE_STRNDUP], 1,
[Define if you have the strndup() function and it works.])
