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# unlink.m4 serial 1
dnl Copyright (C) 2009 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
AC_DEFUN([gl_FUNC_UNLINK],
[
AC_REQUIRE([gl_AC_DOS])
AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
dnl Detect Solaris 9 bug.
AC_CACHE_CHECK([whether unlink honors trailing slashes],
[gl_cv_func_unlink_works],
[touch conftest.file
AC_RUN_IFELSE(
[AC_LANG_PROGRAM(
[[#include <stdio.h>
#include <errno.h>
]], [[return !unlink ("conftest.file/") || errno != ENOTDIR;]])],
[gl_cv_func_unlink_works=yes], [gl_cv_func_unlink_works=no],
[gl_cv_func_unlink_works="guessing no"])
rm -f conftest.file])
if test x"$gl_cv_func_unlink_works" != xyes; then
REPLACE_UNLINK=1
AC_LIBOBJ([unlink])
fi
])
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