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| author | Bruno Haible <bruno@clisp.org> | 2019-01-27 22:03:14 +0100 |
|---|---|---|
| committer | Bruno Haible <bruno@clisp.org> | 2019-01-27 22:06:30 +0100 |
| commit | abdbeff397c2176b130367d6f0d47fdc160df30c (patch) | |
| tree | 73aab1e8c0605d7bb3a7b6d9d11b9f4246e9833f /m4 | |
| parent | 954d1e36aa815994f7f5b1fcd46ebc96a63b8df4 (diff) | |
| download | gnulib-abdbeff397c2176b130367d6f0d47fdc160df30c.tar.gz | |
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'.
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/tmpfile.m4 | 40 |
1 files changed, 32 insertions, 8 deletions
diff --git a/m4/tmpfile.m4 b/m4/tmpfile.m4 index faef23ee22..e648d37986 100644 --- a/m4/tmpfile.m4 +++ b/m4/tmpfile.m4 @@ -1,4 +1,4 @@ -# tmpfile.m4 serial 3 +# tmpfile.m4 serial 4 # Copyright (C) 2007, 2009-2019 Free Software Foundation, Inc. # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, @@ -18,20 +18,44 @@ # directory, even though tmpfile wouldn't work in general. Instead, # just test for a Windows platform (excluding Cygwin). +# On Android 4.3, tmpfile() always returns NULL, even if TMPDIR is set +# to a writable directory. + AC_DEFUN([gl_FUNC_TMPFILE], [ AC_REQUIRE([gl_STDIO_H_DEFAULTS]) - AC_CACHE_CHECK([whether tmpfile should be overridden], - [gl_cv_func_tmpfile_unusable], + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CACHE_CHECK([whether tmpfile works], + [gl_cv_func_tmpfile_works], [AC_EGREP_CPP([choke me], [ #if defined _WIN32 && !defined __CYGWIN__ choke me #endif ], - [gl_cv_func_tmpfile_unusable=yes], - [gl_cv_func_tmpfile_unusable=no])]) - if test $gl_cv_func_tmpfile_unusable = yes; then - REPLACE_TMPFILE=1 - fi + [gl_cv_func_tmpfile_works=no], + [AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <stdio.h> +#include <stdlib.h> +int +main (void) +{ + return tmpfile () == NULL; +}]])], + [gl_cv_func_tmpfile_works=yes], + [gl_cv_func_tmpfile_works=no], + [case "$host_os" in + # Guess no on Android. + linux*-android*) gl_cv_func_tmpfile_works="guessing no" ;; + # Guess yes otherwise. + *) gl_cv_func_tmpfile_works="guessing yes" ;; + esac + ]) + ]) + ]) + case "$gl_cv_func_tmpfile_works" in + *yes) ;; + *) REPLACE_TMPFILE=1 ;; + esac ]) # Prerequisites of lib/tmpfile.c. |