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# serial 17
# Copyright (C) 2001, 2003-2004, 2006, 2008-2020 Free Software Foundation, Inc.
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
# On some systems, mkdir ("foo/", 0700) fails because of the trailing slash.
# On others, mkdir ("foo/./", 0700) mistakenly succeeds.
# On such systems, arrange to use a wrapper function.
AC_DEFUN([gl_FUNC_MKDIR],
[dnl
AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS])
AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
AC_CHECK_HEADERS_ONCE([unistd.h])
AC_CACHE_CHECK([whether mkdir handles trailing slash],
[gl_cv_func_mkdir_trailing_slash_works],
[rm -rf conftest.dir
AC_RUN_IFELSE(
[AC_LANG_PROGRAM([[
#include <sys/types.h>
#include <sys/stat.h>
]GL_MDA_DEFINES],
[[return mkdir ("conftest.dir/", 0700);]])],
[gl_cv_func_mkdir_trailing_slash_works=yes],
[gl_cv_func_mkdir_trailing_slash_works=no],
[case "$host_os" in
# Guess yes on Linux systems.
linux-* | linux) gl_cv_func_mkdir_trailing_slash_works="guessing yes" ;;
# Guess yes on glibc systems.
*-gnu* | gnu*) gl_cv_func_mkdir_trailing_slash_works="guessing yes" ;;
# Guess yes on MSVC, no on mingw.
mingw*) AC_EGREP_CPP([Known], [
#ifdef _MSC_VER
Known
#endif
],
[gl_cv_func_mkdir_trailing_slash_works="guessing yes"],
[gl_cv_func_mkdir_trailing_slash_works="guessing no"])
;;
# If we don't know, obey --enable-cross-guesses.
*) gl_cv_func_mkdir_trailing_slash_works="$gl_cross_guess_normal" ;;
esac
])
rm -rf conftest.dir
])
case "$gl_cv_func_mkdir_trailing_slash_works" in
*yes) ;;
*)
REPLACE_MKDIR=1
;;
esac
AC_CACHE_CHECK([whether mkdir handles trailing dot],
[gl_cv_func_mkdir_trailing_dot_works],
[rm -rf conftest.dir
AC_RUN_IFELSE(
[AC_LANG_PROGRAM([[
#include <sys/types.h>
#include <sys/stat.h>
]GL_MDA_DEFINES],
[[return !mkdir ("conftest.dir/./", 0700);]])],
[gl_cv_func_mkdir_trailing_dot_works=yes],
[gl_cv_func_mkdir_trailing_dot_works=no],
[case "$host_os" in
# Guess yes on glibc systems.
*-gnu* | gnu*) gl_cv_func_mkdir_trailing_dot_works="guessing yes" ;;
# Guess yes on musl systems.
*-musl*) gl_cv_func_mkdir_trailing_dot_works="guessing yes" ;;
# Guess no on native Windows.
mingw*) gl_cv_func_mkdir_trailing_dot_works="guessing no" ;;
# If we don't know, obey --enable-cross-guesses.
*) gl_cv_func_mkdir_trailing_dot_works="$gl_cross_guess_normal" ;;
esac
])
rm -rf conftest.dir
]
)
case "$gl_cv_func_mkdir_trailing_dot_works" in
*yes) ;;
*)
REPLACE_MKDIR=1
AC_DEFINE([FUNC_MKDIR_DOT_BUG], [1], [Define to 1 if mkdir mistakenly
creates a directory given with a trailing dot component.])
;;
esac
])
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