[PATCH v7 3/8] linux: Undef __ASSUME_CLONE3 for alpha, ia64, nios2, sh, and sparc

[Adhemerval Zanella]

Not all architectures added clone3 syscall.
---
 .../unix/sysv/linux/alpha/kernel-features.h   |  3 +++
 .../unix/sysv/linux/ia64/kernel-features.h    |  3 +++
 .../unix/sysv/linux/nios2/kernel-features.h   | 23 +++++++++++++++++++
 sysdeps/unix/sysv/linux/sh/kernel-features.h  |  3 +++
 .../unix/sysv/linux/sparc/kernel-features.h   |  3 +++
 5 files changed, 35 insertions(+)
 create mode 100644 sysdeps/unix/sysv/linux/nios2/kernel-features.h

diff --git a/sysdeps/unix/sysv/linux/alpha/kernel-features.h b/sysdeps/unix/sysv/linux/alpha/kernel-features.h
index 3151e75449..e298bf2bcc 100644
--- a/sysdeps/unix/sysv/linux/alpha/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/alpha/kernel-features.h
@@ -50,4 +50,7 @@
 /* Alpha requires old sysvipc even being a 64-bit architecture.  */
 #undef __ASSUME_SYSVIPC_DEFAULT_IPC_64
 
+/* Alpha does not provide clone3.  */
+#undef __ASSUME_CLONE3
+
 #endif /* _KERNEL_FEATURES_H */
diff --git a/sysdeps/unix/sysv/linux/ia64/kernel-features.h b/sysdeps/unix/sysv/linux/ia64/kernel-features.h
index 98ebfb74bf..6580ec20fe 100644
--- a/sysdeps/unix/sysv/linux/ia64/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/ia64/kernel-features.h
@@ -34,4 +34,7 @@
 #undef __ASSUME_CLONE_DEFAULT
 #define __ASSUME_CLONE2
 
+/* ia64 does not provide clone3.  */
+#undef __ASSUME_CLONE3
+
 #endif /* _KERNEL_FEATURES_H */
diff --git a/sysdeps/unix/sysv/linux/nios2/kernel-features.h b/sysdeps/unix/sysv/linux/nios2/kernel-features.h
new file mode 100644
index 0000000000..bb2d887dd5
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/nios2/kernel-features.h
@@ -0,0 +1,23 @@
+/* Set flags signalling availability of kernel features based on given
+   kernel version number.  NIOS2 version.
+   Copyright (C) 2023 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library.  If not, see
+   <https://www.gnu.org/licenses/>.  */
+
+#include_next <kernel-features.h>
+
+/* nios2 does not provide clone3.  */
+#undef __ASSUME_CLONE3
diff --git a/sysdeps/unix/sysv/linux/sh/kernel-features.h b/sysdeps/unix/sysv/linux/sh/kernel-features.h
index 953fa8dff0..80a90d05bb 100644
--- a/sysdeps/unix/sysv/linux/sh/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/sh/kernel-features.h
@@ -55,4 +55,7 @@
 # undef __ASSUME_STATX
 #endif
 
+/* sh does not provide clone3.  */
+#undef __ASSUME_CLONE3
+
 #endif
diff --git a/sysdeps/unix/sysv/linux/sparc/kernel-features.h b/sysdeps/unix/sysv/linux/sparc/kernel-features.h
index 98c938c16d..fa9383081f 100644
--- a/sysdeps/unix/sysv/linux/sparc/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/sparc/kernel-features.h
@@ -87,3 +87,6 @@
    (INLINE_CLONE_SYSCALL).  */
 #undef __ASSUME_CLONE_DEFAULT
 #define __ASSUME_CLONE_BACKWARDS	1
+
+/* sparc does not provide clone3.  */
+#undef __ASSUME_CLONE3
-- 
2.34.1