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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:25:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:25:44 +0000
commitb3925d944ed94cc76bbcbb14a799ec9beeb8d1bf (patch)
treea5e5ccdbc84294390695b5ae3a8c89cc16e6cbae /m4/unlocked-io.m4
parentInitial commit. (diff)
downloadwget-b3925d944ed94cc76bbcbb14a799ec9beeb8d1bf.tar.xz
wget-b3925d944ed94cc76bbcbb14a799ec9beeb8d1bf.zip
Adding upstream version 1.21.4.upstream/1.21.4
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'm4/unlocked-io.m4')
-rw-r--r--m4/unlocked-io.m436
1 files changed, 36 insertions, 0 deletions
diff --git a/m4/unlocked-io.m4 b/m4/unlocked-io.m4
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+++ b/m4/unlocked-io.m4
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+# unlocked-io.m4 serial 16
+
+# Copyright (C) 1998-2006, 2009-2023 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.
+
+dnl From Jim Meyering.
+dnl
+dnl See if the glibc *_unlocked I/O macros or functions are available.
+dnl Use only those *_unlocked macros or functions that are declared
+dnl (because some of them were declared in Solaris 2.5.1 but were removed
+dnl in Solaris 2.6, whereas we want binaries built on Solaris 2.5.1 to run
+dnl on Solaris 2.6).
+
+AC_DEFUN([gl_FUNC_GLIBC_UNLOCKED_IO],
+[
+ dnl Persuade glibc and Solaris <stdio.h> to declare
+ dnl fgets_unlocked(), fputs_unlocked() etc.
+ AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
+
+ AC_CHECK_DECLS_ONCE([clearerr_unlocked])
+ AC_CHECK_DECLS_ONCE([feof_unlocked])
+ AC_CHECK_DECLS_ONCE([ferror_unlocked])
+ AC_CHECK_DECLS_ONCE([fflush_unlocked])
+ AC_CHECK_DECLS_ONCE([fgets_unlocked])
+ AC_CHECK_DECLS_ONCE([fputc_unlocked])
+ AC_CHECK_DECLS_ONCE([fputs_unlocked])
+ AC_CHECK_DECLS_ONCE([fread_unlocked])
+ AC_CHECK_DECLS_ONCE([fwrite_unlocked])
+ AC_CHECK_DECLS_ONCE([getc_unlocked])
+ AC_CHECK_DECLS_ONCE([getchar_unlocked])
+ AC_CHECK_DECLS_ONCE([putc_unlocked])
+ AC_CHECK_DECLS_ONCE([putchar_unlocked])
+])