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Re: patch: stdio fiex for UnixWare
From: |
Bruno Haible |
Subject: |
Re: patch: stdio fiex for UnixWare |
Date: |
Sun, 11 Oct 2020 15:31:29 +0200 |
User-agent: |
KMail/5.1.3 (Linux/4.4.0-189-generic; KDE/5.18.0; x86_64; ; ) |
Tim Rice wrote in
<https://lists.gnu.org/archive/html/bug-gnulib/2020-09/msg00127.html>:
>
> I've attached a patch to address the fact that UnixWare does not have
> stdio_ext.h but has some __X() stdio helper functions.
>
> Wrap "#include <stdio_ext.h>" in HAVE_STDIO_EXT_H insead of HAVE___X
I'm applying the patch below, to fix this. The main differences to yours are:
* No need to touch the modules freadahead, freadptr, fseterr, since the
functions __freadahead, __freadptr, __fseterr don't exist on your platform,
as you reported in
<https://lists.gnu.org/archive/html/bug-gnulib/2020-09/msg00133.html>.
* When we modify a .m4 file, we also need to bump its serial number.
* It does not make the code clearer to remove the HAVE___FLBF and
HAVE___FPURGE
tests in fbufmode.c and fpurge.c.
2020-10-11 Bruno Haible <bruno@clisp.org>
stdioext: Avoid compilation errors on UnixWare 7.
Reported by Tim Rice <tim@multitalents.net> in
<https://lists.gnu.org/archive/html/bug-gnulib/2020-09/msg00127.html>.
* lib/fbufmode.c: Don't include <stdio_ext.h> if it does not exist.
* lib/fpurge.c: Likewise.
* lib/freadable.h: Likewise.
* lib/freading.h: Likewise.
* lib/fwritable.h: Likewise.
* lib/fwriting.h: Likewise.
* m4/fbufmode.m4 (gl_FUNC_FBUFMODE): Test whether <stdio_ext.h> exists.
* m4/fpurge.m4 (gl_FUNC_FPURGE): Likewise.
* m4/freadable.m4 (gl_FUNC_FREADABLE): Likewise.
* m4/freading.m4 (gl_FUNC_FREADING): Likewise.
* m4/fwritable.m4 (gl_FUNC_FWRITABLE): Likewise.
* m4/fwriting.m4 (gl_FUNC_FWRITING): Likewise.
diff --git a/lib/fbufmode.c b/lib/fbufmode.c
index 65a5cfc..a528a63 100644
--- a/lib/fbufmode.c
+++ b/lib/fbufmode.c
@@ -20,7 +20,9 @@
#include "fbufmode.h"
#if HAVE___FLBF
-# include <stdio_ext.h>
+# if HAVE_STDIO_EXT_H
+# include <stdio_ext.h>
+# endif
#endif
#include "stdio-impl.h"
diff --git a/lib/fpurge.c b/lib/fpurge.c
index fc88646..9469ce4 100644
--- a/lib/fpurge.c
+++ b/lib/fpurge.c
@@ -19,8 +19,10 @@
/* Specification. */
#include <stdio.h>
-#if HAVE___FPURGE /* glibc >= 2.2, Haiku, Solaris >= 7,
Cygwin >= 1.7.10, Android API >= 23 */
-# include <stdio_ext.h>
+#if HAVE___FPURGE /* glibc >= 2.2, Haiku, Solaris >= 7,
Cygwin >= 1.7.10, Android API >= 23, musl libc */
+# if HAVE_STDIO_EXT_H
+# include <stdio_ext.h>
+# endif
#endif
#include <stdlib.h>
diff --git a/lib/freadable.h b/lib/freadable.h
index f05e5fb..9139865 100644
--- a/lib/freadable.h
+++ b/lib/freadable.h
@@ -24,7 +24,9 @@
#if HAVE___FREADABLE /* glibc >= 2.2, Solaris >= 7, Cygwin >= 1.7.34, Android
API >= 23, musl libc */
-# include <stdio_ext.h>
+# if HAVE_STDIO_EXT_H
+# include <stdio_ext.h>
+# endif
# define freadable(stream) (__freadable (stream) != 0)
#else
diff --git a/lib/freading.h b/lib/freading.h
index 1891f5a..7bef18e 100644
--- a/lib/freading.h
+++ b/lib/freading.h
@@ -35,7 +35,9 @@
#if HAVE___FREADING && (!defined __GLIBC__ || defined __UCLIBC__ || __GLIBC__
> 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
/* Solaris >= 7, Cygwin >= 1.7.34, Android API >= 29, not glibc >= 2.2, but
glibc >= 2.7, or musl libc */
-# include <stdio_ext.h>
+# if HAVE_STDIO_EXT_H
+# include <stdio_ext.h>
+# endif
# define freading(stream) (__freading (stream) != 0)
#else
diff --git a/lib/fwritable.h b/lib/fwritable.h
index 509e069..fb9c871 100644
--- a/lib/fwritable.h
+++ b/lib/fwritable.h
@@ -24,7 +24,9 @@
#if HAVE___FWRITABLE /* glibc >= 2.2, Solaris >= 7, Cygwin >= 1.7.34, Android
API >= 23, musl libc */
-# include <stdio_ext.h>
+# if HAVE_STDIO_EXT_H
+# include <stdio_ext.h>
+# endif
# define fwritable(stream) (__fwritable (stream) != 0)
#else
diff --git a/lib/fwriting.h b/lib/fwriting.h
index 2d16f42..3aa5d7f 100644
--- a/lib/fwriting.h
+++ b/lib/fwriting.h
@@ -35,7 +35,9 @@
#if HAVE___FWRITING /* glibc >= 2.2, Solaris >= 7, Cygwin >= 1.7.34, Android
API >= 29, musl libc */
-# include <stdio_ext.h>
+# if HAVE_STDIO_EXT_H
+# include <stdio_ext.h>
+# endif
# define fwriting(stream) (__fwriting (stream) != 0)
#else
diff --git a/m4/fbufmode.m4 b/m4/fbufmode.m4
index 87e76e0..e2a146f 100644
--- a/m4/fbufmode.m4
+++ b/m4/fbufmode.m4
@@ -1,4 +1,4 @@
-# fbufmode.m4 serial 2
+# fbufmode.m4 serial 3
dnl Copyright (C) 2007, 2009-2020 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
@@ -7,5 +7,6 @@ dnl with or without modifications, as long as this notice is
preserved.
AC_DEFUN([gl_FUNC_FBUFMODE],
[
dnl Prerequisites of lib/fbufmode.c.
+ AC_CHECK_HEADERS_ONCE([stdio_ext.h])
AC_CHECK_FUNCS_ONCE([__flbf __fbufsize])
])
diff --git a/m4/fpurge.m4 b/m4/fpurge.m4
index 0796a6f..9a486e0 100644
--- a/m4/fpurge.m4
+++ b/m4/fpurge.m4
@@ -1,4 +1,4 @@
-# fpurge.m4 serial 11
+# fpurge.m4 serial 12
dnl Copyright (C) 2007, 2009-2020 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
@@ -8,6 +8,7 @@ AC_DEFUN([gl_FUNC_FPURGE],
[
AC_REQUIRE([gl_STDIO_H_DEFAULTS])
AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
+ AC_CHECK_HEADERS_ONCE([stdio_ext.h])
AC_CHECK_FUNCS_ONCE([fpurge])
AC_CHECK_FUNCS_ONCE([__fpurge])
AC_CHECK_DECLS([fpurge], , , [[#include <stdio.h>]])
diff --git a/m4/freadable.m4 b/m4/freadable.m4
index 3237eff..e988054 100644
--- a/m4/freadable.m4
+++ b/m4/freadable.m4
@@ -1,4 +1,4 @@
-# freadable.m4 serial 2
+# freadable.m4 serial 3
dnl Copyright (C) 2007, 2009-2020 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
@@ -6,5 +6,6 @@ dnl with or without modifications, as long as this notice is
preserved.
AC_DEFUN([gl_FUNC_FREADABLE],
[
+ AC_CHECK_HEADERS_ONCE([stdio_ext.h])
AC_CHECK_FUNCS_ONCE([__freadable])
])
diff --git a/m4/freading.m4 b/m4/freading.m4
index 440c241..6eb25ab 100644
--- a/m4/freading.m4
+++ b/m4/freading.m4
@@ -1,4 +1,4 @@
-# freading.m4 serial 1
+# freading.m4 serial 2
dnl Copyright (C) 2007, 2009-2020 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
@@ -6,5 +6,6 @@ dnl with or without modifications, as long as this notice is
preserved.
AC_DEFUN([gl_FUNC_FREADING],
[
+ AC_CHECK_HEADERS_ONCE([stdio_ext.h])
AC_CHECK_FUNCS_ONCE([__freading])
])
diff --git a/m4/fwritable.m4 b/m4/fwritable.m4
index dbe887e..55db08f 100644
--- a/m4/fwritable.m4
+++ b/m4/fwritable.m4
@@ -1,4 +1,4 @@
-# fwritable.m4 serial 2
+# fwritable.m4 serial 3
dnl Copyright (C) 2007, 2009-2020 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
@@ -6,5 +6,6 @@ dnl with or without modifications, as long as this notice is
preserved.
AC_DEFUN([gl_FUNC_FWRITABLE],
[
+ AC_CHECK_HEADERS_ONCE([stdio_ext.h])
AC_CHECK_FUNCS_ONCE([__fwritable])
])
diff --git a/m4/fwriting.m4 b/m4/fwriting.m4
index 4d7cd3e..fe2f10e 100644
--- a/m4/fwriting.m4
+++ b/m4/fwriting.m4
@@ -1,4 +1,4 @@
-# fwriting.m4 serial 2
+# fwriting.m4 serial 3
dnl Copyright (C) 2007, 2009-2020 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
@@ -6,5 +6,6 @@ dnl with or without modifications, as long as this notice is
preserved.
AC_DEFUN([gl_FUNC_FWRITING],
[
+ AC_CHECK_HEADERS_ONCE([stdio_ext.h])
AC_CHECK_FUNCS_ONCE([__fwriting])
])
- Re: patch: stdio fiex for UnixWare,
Bruno Haible <=