gnulib: m4/tmpfile.m4 annotate

annotate m4/tmpfile.m4 @ 40160:5c7e0484c1e9

tmpfile: Add support for Android. * m4/tmpfile.m4 (gl_FUNC_TMPFILE): Add a runtime test whether tmpfile() works. * lib/tmpfile.c (tmpfile): Add an alternative implementation for Android. * modules/tmpfile (Depends-on): Add 'stdbool'. * doc/posix-functions/tmpfile.texi: Mention the Android bug. * modules/argv-iter-tests (Depends-on): Add 'tmpfile'.

author	Bruno Haible <bruno@clisp.org>
date	Sun, 27 Jan 2019 22:03:14 +0100
parents	b06060465f09
children

rev	line source
40160 5c7e0484c1e9 tmpfile: Add support for Android. Bruno Haible <bruno@clisp.org> parents: 40057 diff changeset	1 # tmpfile.m4 serial 4
40057 b06060465f09 maint: Run 'make update-copyright' Paul Eggert <eggert@cs.ucla.edu> parents: 19595 diff changeset	2 # Copyright (C) 2007, 2009-2019 Free Software Foundation, Inc.
8162 46995f2e94ca New module 'tmpfile'. Bruno Haible <bruno@clisp.org> parents: diff changeset	3 # This file is free software; the Free Software Foundation
46995f2e94ca New module 'tmpfile'. Bruno Haible <bruno@clisp.org> parents: diff changeset	4 # gives unlimited permission to copy and/or distribute it,
46995f2e94ca New module 'tmpfile'. Bruno Haible <bruno@clisp.org> parents: diff changeset	5 # with or without modifications, as long as this notice is preserved.
46995f2e94ca New module 'tmpfile'. Bruno Haible <bruno@clisp.org> parents: diff changeset	6
46995f2e94ca New module 'tmpfile'. Bruno Haible <bruno@clisp.org> parents: diff changeset	7 # Written by Ben Pfaff.
46995f2e94ca New module 'tmpfile'. Bruno Haible <bruno@clisp.org> parents: diff changeset	8
13137 fd3c9fa89efe tmpfile: Fix C++ test error on mingw. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	9 # Check whether to use a replacement tmpfile() function.
fd3c9fa89efe tmpfile: Fix C++ test error on mingw. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	10
8162 46995f2e94ca New module 'tmpfile'. Bruno Haible <bruno@clisp.org> parents: diff changeset	11 # The native Windows tmpfile function always tries to put the temporary
46995f2e94ca New module 'tmpfile'. Bruno Haible <bruno@clisp.org> parents: diff changeset	12 # file in the root directory. (This behaviour is even documented in
46995f2e94ca New module 'tmpfile'. Bruno Haible <bruno@clisp.org> parents: diff changeset	13 # Microsoft's documentation!) This often fails for ordinary users who
46995f2e94ca New module 'tmpfile'. Bruno Haible <bruno@clisp.org> parents: diff changeset	14 # don't have the permissions to write in the root directory.
46995f2e94ca New module 'tmpfile'. Bruno Haible <bruno@clisp.org> parents: diff changeset	15 #
46995f2e94ca New module 'tmpfile'. Bruno Haible <bruno@clisp.org> parents: diff changeset	16 # We can't test for tmpfile even at runtime, since our test program
46995f2e94ca New module 'tmpfile'. Bruno Haible <bruno@clisp.org> parents: diff changeset	17 # might be running with privileges that allow it to write to the root
46995f2e94ca New module 'tmpfile'. Bruno Haible <bruno@clisp.org> parents: diff changeset	18 # directory, even though tmpfile wouldn't work in general. Instead,
46995f2e94ca New module 'tmpfile'. Bruno Haible <bruno@clisp.org> parents: diff changeset	19 # just test for a Windows platform (excluding Cygwin).
46995f2e94ca New module 'tmpfile'. Bruno Haible <bruno@clisp.org> parents: diff changeset	20
40160 5c7e0484c1e9 tmpfile: Add support for Android. Bruno Haible <bruno@clisp.org> parents: 40057 diff changeset	21 # On Android 4.3, tmpfile() always returns NULL, even if TMPDIR is set
5c7e0484c1e9 tmpfile: Add support for Android. Bruno Haible <bruno@clisp.org> parents: 40057 diff changeset	22 # to a writable directory.
5c7e0484c1e9 tmpfile: Add support for Android. Bruno Haible <bruno@clisp.org> parents: 40057 diff changeset	23
13138 0ea8feb1eb60 Rename gl_TMPFILE. Bruno Haible <bruno@clisp.org> parents: 13137 diff changeset	24 AC_DEFUN([gl_FUNC_TMPFILE], [
13137 fd3c9fa89efe tmpfile: Fix C++ test error on mingw. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	25 AC_REQUIRE([gl_STDIO_H_DEFAULTS])
40160 5c7e0484c1e9 tmpfile: Add support for Android. Bruno Haible <bruno@clisp.org> parents: 40057 diff changeset	26 AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
5c7e0484c1e9 tmpfile: Add support for Android. Bruno Haible <bruno@clisp.org> parents: 40057 diff changeset	27 AC_CACHE_CHECK([whether tmpfile works],
5c7e0484c1e9 tmpfile: Add support for Android. Bruno Haible <bruno@clisp.org> parents: 40057 diff changeset	28 [gl_cv_func_tmpfile_works],
8162 46995f2e94ca New module 'tmpfile'. Bruno Haible <bruno@clisp.org> parents: diff changeset	29 [AC_EGREP_CPP([choke me], [
19595 beb2ad957aca Simplify code. Drop support for Borland C++ on Windows. Bruno Haible <bruno@clisp.org> parents: 19484 diff changeset	30 #if defined _WIN32 && !defined __CYGWIN__
8162 46995f2e94ca New module 'tmpfile'. Bruno Haible <bruno@clisp.org> parents: diff changeset	31 choke me
46995f2e94ca New module 'tmpfile'. Bruno Haible <bruno@clisp.org> parents: diff changeset	32 #endif
46995f2e94ca New module 'tmpfile'. Bruno Haible <bruno@clisp.org> parents: diff changeset	33 ],
40160 5c7e0484c1e9 tmpfile: Add support for Android. Bruno Haible <bruno@clisp.org> parents: 40057 diff changeset	34 [gl_cv_func_tmpfile_works=no],
5c7e0484c1e9 tmpfile: Add support for Android. Bruno Haible <bruno@clisp.org> parents: 40057 diff changeset	35 [AC_RUN_IFELSE(
5c7e0484c1e9 tmpfile: Add support for Android. Bruno Haible <bruno@clisp.org> parents: 40057 diff changeset	36 [AC_LANG_SOURCE([[
5c7e0484c1e9 tmpfile: Add support for Android. Bruno Haible <bruno@clisp.org> parents: 40057 diff changeset	37 #include <stdio.h>
5c7e0484c1e9 tmpfile: Add support for Android. Bruno Haible <bruno@clisp.org> parents: 40057 diff changeset	38 #include <stdlib.h>
5c7e0484c1e9 tmpfile: Add support for Android. Bruno Haible <bruno@clisp.org> parents: 40057 diff changeset	39 int
5c7e0484c1e9 tmpfile: Add support for Android. Bruno Haible <bruno@clisp.org> parents: 40057 diff changeset	40 main (void)
5c7e0484c1e9 tmpfile: Add support for Android. Bruno Haible <bruno@clisp.org> parents: 40057 diff changeset	41 {
5c7e0484c1e9 tmpfile: Add support for Android. Bruno Haible <bruno@clisp.org> parents: 40057 diff changeset	42 return tmpfile () == NULL;
5c7e0484c1e9 tmpfile: Add support for Android. Bruno Haible <bruno@clisp.org> parents: 40057 diff changeset	43 }]])],
5c7e0484c1e9 tmpfile: Add support for Android. Bruno Haible <bruno@clisp.org> parents: 40057 diff changeset	44 [gl_cv_func_tmpfile_works=yes],
5c7e0484c1e9 tmpfile: Add support for Android. Bruno Haible <bruno@clisp.org> parents: 40057 diff changeset	45 [gl_cv_func_tmpfile_works=no],
5c7e0484c1e9 tmpfile: Add support for Android. Bruno Haible <bruno@clisp.org> parents: 40057 diff changeset	46 [case "$host_os" in
5c7e0484c1e9 tmpfile: Add support for Android. Bruno Haible <bruno@clisp.org> parents: 40057 diff changeset	47 # Guess no on Android.
5c7e0484c1e9 tmpfile: Add support for Android. Bruno Haible <bruno@clisp.org> parents: 40057 diff changeset	48 linux-android) gl_cv_func_tmpfile_works="guessing no" ;;
5c7e0484c1e9 tmpfile: Add support for Android. Bruno Haible <bruno@clisp.org> parents: 40057 diff changeset	49 # Guess yes otherwise.
5c7e0484c1e9 tmpfile: Add support for Android. Bruno Haible <bruno@clisp.org> parents: 40057 diff changeset	50 *) gl_cv_func_tmpfile_works="guessing yes" ;;
5c7e0484c1e9 tmpfile: Add support for Android. Bruno Haible <bruno@clisp.org> parents: 40057 diff changeset	51 esac
5c7e0484c1e9 tmpfile: Add support for Android. Bruno Haible <bruno@clisp.org> parents: 40057 diff changeset	52 ])
5c7e0484c1e9 tmpfile: Add support for Android. Bruno Haible <bruno@clisp.org> parents: 40057 diff changeset	53 ])
5c7e0484c1e9 tmpfile: Add support for Android. Bruno Haible <bruno@clisp.org> parents: 40057 diff changeset	54 ])
5c7e0484c1e9 tmpfile: Add support for Android. Bruno Haible <bruno@clisp.org> parents: 40057 diff changeset	55 case "$gl_cv_func_tmpfile_works" in
5c7e0484c1e9 tmpfile: Add support for Android. Bruno Haible <bruno@clisp.org> parents: 40057 diff changeset	56 *yes) ;;
5c7e0484c1e9 tmpfile: Add support for Android. Bruno Haible <bruno@clisp.org> parents: 40057 diff changeset	57 *) REPLACE_TMPFILE=1 ;;
5c7e0484c1e9 tmpfile: Add support for Android. Bruno Haible <bruno@clisp.org> parents: 40057 diff changeset	58 esac
8162 46995f2e94ca New module 'tmpfile'. Bruno Haible <bruno@clisp.org> parents: diff changeset	59 ])
46995f2e94ca New module 'tmpfile'. Bruno Haible <bruno@clisp.org> parents: diff changeset	60
46995f2e94ca New module 'tmpfile'. Bruno Haible <bruno@clisp.org> parents: diff changeset	61 # Prerequisites of lib/tmpfile.c.
46995f2e94ca New module 'tmpfile'. Bruno Haible <bruno@clisp.org> parents: diff changeset	62 AC_DEFUN([gl_PREREQ_TMPFILE], [:])

Mercurial > gnulib

annotate m4/tmpfile.m4 @ 40160:5c7e0484c1e9