Remove pre-2.6.16 Linux kernel support.

git-mirror · Aug 7, 2012 · 6dad2c0 · 6dad2c0
1 parent 8e49df1
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diff --git a/ChangeLog b/ChangeLog
@@ -1,3 +1,25 @@
+2012-08-07  Joseph Myers  <joseph@codesourcery.com>
+
+	* sysdeps/unix/sysv/linux/configure.in (arch_minimum_kernel):
+	Change from 2.6.0 to 2.6.16.
+	* sysdeps/unix/sysv/linux/configure: Regenerated.
+	* sysdeps/unix/sysv/linux/kernel-features.h
+	(__ASSUME_POSIX_CPU_TIMERS): Define unconditionally.
+	(__ASSUME_TGKILL): Define conditional on architectures, not kernel
+	version.
+	(__ASSUME_UTIMES): Likewise.
+	(__ASSUME_CLONE_STOPPED): Remove.
+	(__ASSUME_FADVISE64_64_SYSCALL): Define conditional on
+	architectures, not kernel version.
+	(__ASSUME_PROT_GROWSUPDOWN): Define unconditionally.
+	(__ASSUME_NO_CLONE_DETACHED): Likewise.
+	(__ASSUME_GETDENTS32_D_TYPE): Likewise.
+	(__ASSUME_WAITID_SYSCALL): Likewise.
+	[__sparc__ && __arch64__] (__ASSUME_STAT64_SYSCALL): Do not
+	condition definition on __LINUX_KERNEL_VERSION >= 0x02060c.
+	* README: State 2.6.16 as minimum Linux kernel version.  Do not
+	refer to older versions.
+
 2012-08-06  Roland McGrath  <roland@hack.frob.com>
 
 	* dirent/alphasort.c [_DIRENT_MATCHES_DIRENT64]:

diff --git a/NEWS b/NEWS
@@ -25,7 +25,7 @@ Version 2.17
   Implemented by Gary Benson.
 
 * The minimum Linux kernel version that this version of the GNU C Library
-  can be used with is 2.6.0.
+  can be used with is 2.6.16.
 
 
 Version 2.16

diff --git a/README b/README
@@ -17,12 +17,7 @@ GNU/Hurd support requires out-of-tree patches that will eventually be
 incorporated into an official GNU C Library release.
 
 When working with Linux kernels, this version of the GNU C Library
-requires Linux kernel version 2.6.0 or later.
-
-All Linux kernel versions prior to 2.6.16 are known to have some bugs that
-may cause some of the tests related to pthreads in "make check" to fail.
-If you see such problems, please try the test suite on the most recent
-Linux kernel version that you can use, before pursuing those bugs further.
+requires Linux kernel version 2.6.16 or later.
 
 Also note that the shared version of the libgcc_s library must be
 installed for the pthread library to work correctly.
@@ -35,7 +30,7 @@ The GNU C Library supports these configurations for using Linux kernels:
 	powerpc64-*-linux-gnu
 	s390-*-linux-gnu
 	s390x-*-linux-gnu
-	sh[34]-*-linux-gnu	Requires Linux 2.6.11 or newer
+	sh[34]-*-linux-gnu
 	sparc*-*-linux-gnu
 	sparc64*-*-linux-gnu
 
@@ -45,14 +40,14 @@ add-on.  You can find glibc-ports-VERSION distributed separately in the
 same place where you got the main glibc distribution files.
 Currently these configurations have code in the `ports' add-on:
 
-	alpha*-*-linux-gnu	Requires Linux 2.6.9 or newer for NPTL
+	alpha*-*-linux-gnu
 	am33*-*-linux-gnu	Not currently functional
-	arm-*-linux-gnueabi	Requires Linux 2.6.16-rc1 or newer for NPTL
+	arm-*-linux-gnueabi
 	hppa-*-linux-gnu	Not currently functional without patches.
 	ia64-*-linux-gnu
 	m68k-*-linux-gnu
-	mips-*-linux-gnu	Requires Linux 2.6.12 or newer for NPTL
-	mips64-*-linux-gnu	Requires Linux 2.6.12 or newer for NPTL
+	mips-*-linux-gnu
+	mips64-*-linux-gnu
 	powerpc-*-linux-gnu	Software floating point (--without-fp)
 	tilegx-*-linux-gnu
 	tilepro-*-linux-gnu

diff --git a/ports/ChangeLog.alpha b/ports/ChangeLog.alpha
@@ -1,3 +1,10 @@
+2012-08-07  Joseph Myers  <joseph@codesourcery.com>
+
+	* sysdeps/unix/sysv/linux/alpha/kernel-features.h
+	(__ASSUME_TGKILL): Define unconditionally.
+	(__ASSUME_STAT64_SYSCALL): Likewise.
+	(__ASSUME_IEEE_RAISE_EXCEPTION): Likewise.
+
 2012-08-02  Roland McGrath  <roland@hack.frob.com>
 
 	* sysdeps/unix/sysv/linux/alpha/bits/dirent.h

diff --git a/ports/ChangeLog.am33 b/ports/ChangeLog.am33
@@ -1,3 +1,9 @@
+2012-08-07  Joseph Myers  <joseph@codesourcery.com>
+
+	* sysdeps/unix/sysv/linux/am33/configure.in (arch_minimum_kernel):
+	Change to 2.6.25.
+	* sysdeps/unix/sysv/linux/am33/configure: Regenerated.
+
 2012-08-01  Roland McGrath  <roland@hack.frob.com>
 
 	[BZ #14138]

diff --git a/ports/ChangeLog.arm b/ports/ChangeLog.arm
@@ -1,3 +1,11 @@
+2012-08-07  Joseph Myers  <joseph@codesourcery.com>
+
+	* sysdeps/unix/sysv/linux/arm/configure.in (arch_minimum_kernel):
+	Remove.
+	* sysdeps/unix/sysv/linux/arm/configure: Regenerated.
+	* sysdeps/unix/sysv/linux/arm/kernel-features.h (__ASSUME_UTIMES):
+	Define unconditionally.
+
 2012-08-02  Joseph Myers  <joseph@codesourcery.com>
 
 	* sysdeps/arm/sysdep.h (ASM_TYPE_DIRECTIVE): Remove.

diff --git a/ports/ChangeLog.hppa b/ports/ChangeLog.hppa
@@ -1,3 +1,10 @@
+2012-08-07  Joseph Myers  <joseph@codesourcery.com>
+
+	* sysdeps/unix/sysv/linux/hppa/nptl/configure.in: Remove.
+	* sysdeps/unix/sysv/linux/hppa/nptl/configure: Likewise.
+	* sysdeps/unix/sysv/linux/hppa/kernel-features.h
+	(__ASSUME_LWS_CAS): Define unconditionally.
+
 2012-08-01  Joseph Myers  <joseph@codesourcery.com>
 
 	* sysdeps/unix/sysv/linux/hppa/kernel-features.h

diff --git a/ports/ChangeLog.m68k b/ports/ChangeLog.m68k
@@ -1,3 +1,13 @@
+2012-08-07  Joseph Myers  <joseph@codesourcery.com>
+
+	* sysdeps/unix/sysv/linux/m68k/configure.in (arch_minimum_kernel):
+	Remove.
+	* sysdeps/unix/sysv/linux/m68k/configure: Regenerated.
+	* sysdeps/unix/sysv/linux/m68k/kernel-features.h
+	(__ASSUME_TGKILL): Define unconditionally.
+	(__ASSUME_UTIMES): Likewise.
+	(__ASSUME_FADVISE64_64_SYSCALL): Likewise.
+
 2012-08-03  Andreas Schwab  <schwab@linux-m68k.org>
 
 	* sysdeps/m68k/sysdep.h (ALIGNARG, ASM_TYPE_DIRECTIVE)

diff --git a/ports/ChangeLog.mips b/ports/ChangeLog.mips
@@ -1,3 +1,9 @@
+2012-08-07  Joseph Myers  <joseph@codesourcery.com>
+
+	* sysdeps/unix/sysv/linux/mips/configure.in (arch_minimum_kernel):
+	Remove.
+	* sysdeps/unix/sysv/linux/mips/configure: Regenerated.
+
 2012-08-01  Joseph Myers  <joseph@codesourcery.com>
 
 	* sysdeps/unix/sysv/linux/mips/kernel-features.h

diff --git a/ports/sysdeps/unix/sysv/linux/alpha/kernel-features.h b/ports/sysdeps/unix/sysv/linux/alpha/kernel-features.h
@@ -20,23 +20,16 @@
 #ifndef _KERNEL_FEATURES_H
 #define _KERNEL_FEATURES_H 1
 
-/* The tgkill syscall was introduced for alpha 2.6.0-test1 which unfortunately
-   cannot be distinguished from 2.6.0.  */
-#if __LINUX_KERNEL_VERSION >= 132609
-# define __ASSUME_TGKILL	1
-#endif
+/* The tgkill syscall was introduced for alpha 2.6.0-test1.  */
+#define __ASSUME_TGKILL	1
 
 /* Starting with version 2.6.4, the stat64 syscalls are available.  */
-#if __LINUX_KERNEL_VERSION >= 0x020604 && defined __alpha__
-# define __ASSUME_STAT64_SYSCALL   1
-#endif
+#define __ASSUME_STAT64_SYSCALL   1
 
 #define __ASSUME_UTIMES	1
 
 /* Starting with version 2.6.9, SSI_IEEE_RAISE_EXCEPTION exists.  */
-#if __LINUX_KERNEL_VERSION >= 0x020609
-# define __ASSUME_IEEE_RAISE_EXCEPTION	1
-#endif
+#define __ASSUME_IEEE_RAISE_EXCEPTION	1
 
 /* Support for the O_CLOEXEC flag was added for alpha in 2.6.23.  */
 #if __LINUX_KERNEL_VERSION >= 0x020617

diff --git a/ports/sysdeps/unix/sysv/linux/am33/configure b/ports/sysdeps/unix/sysv/linux/am33/configure
@@ -1,4 +1,4 @@
 # This file is generated from configure.in by Autoconf.  DO NOT EDIT!
  # Local configure fragment for am33/sysdeps/unix/sysv/linux/am33
 
-arch_minimum_kernel=2.4.0
+arch_minimum_kernel=2.6.25
diff --git a/ports/sysdeps/unix/sysv/linux/am33/configure.in b/ports/sysdeps/unix/sysv/linux/am33/configure.in
@@ -1,4 +1,4 @@
 GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
 # Local configure fragment for am33/sysdeps/unix/sysv/linux/am33
 
-arch_minimum_kernel=2.4.0
+arch_minimum_kernel=2.6.25
diff --git a/ports/sysdeps/unix/sysv/linux/arm/configure b/ports/sysdeps/unix/sysv/linux/arm/configure
@@ -1,6 +1,5 @@
 # This file is generated from configure.in by Autoconf.  DO NOT EDIT!
  # Local configure fragment for sysdeps/unix/sysv/linux/arm.
 
-arch_minimum_kernel=2.6.16
 libc_cv_gcc_unwind_find_fde=no
 CFLAGS=${CFLAGS% -fno-unwind-tables}
diff --git a/ports/sysdeps/unix/sysv/linux/arm/configure.in b/ports/sysdeps/unix/sysv/linux/arm/configure.in
@@ -1,6 +1,5 @@
 GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
 # Local configure fragment for sysdeps/unix/sysv/linux/arm.
 
-arch_minimum_kernel=2.6.16
 libc_cv_gcc_unwind_find_fde=no
 CFLAGS=${CFLAGS% -fno-unwind-tables}
diff --git a/ports/sysdeps/unix/sysv/linux/arm/kernel-features.h b/ports/sysdeps/unix/sysv/linux/arm/kernel-features.h
@@ -18,9 +18,7 @@
    <http://www.gnu.org/licenses/>.  */
 
 /* The utimes syscall was added before 2.6.1.  */
-#if __LINUX_KERNEL_VERSION >= 132609
-# define __ASSUME_UTIMES	1
-#endif
+#define __ASSUME_UTIMES	1
 
 /* On ARM the mmap2/stat64/lstat64/fstat64 syscalls were introduced in
    2.3.35.  */

diff --git a/ports/sysdeps/unix/sysv/linux/hppa/kernel-features.h b/ports/sysdeps/unix/sysv/linux/hppa/kernel-features.h
@@ -1,6 +1,6 @@
 /* Set flags signalling availability of kernel features based on given
    kernel version number.
-   Copyright (C) 2006 Free Software Foundation, Inc.
+   Copyright (C) 2006-2012 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
@@ -30,8 +30,6 @@
 #define __ASSUME_GETDENTS64_SYSCALL	1
 
 /* PA-RISC 2.6.9 kernels had the first LWS CAS support */
-#if __LINUX_KERNEL_VERSION >= 0x020609
-# define __ASSUME_LWS_CAS		1
-#endif
+#define __ASSUME_LWS_CAS		1
 
 #include_next <kernel-features.h>
diff --git a/ports/sysdeps/unix/sysv/linux/hppa/nptl/configure b/ports/sysdeps/unix/sysv/linux/hppa/nptl/configure
diff --git a/ports/sysdeps/unix/sysv/linux/hppa/nptl/configure.in b/ports/sysdeps/unix/sysv/linux/hppa/nptl/configure.in
diff --git a/ports/sysdeps/unix/sysv/linux/m68k/configure b/ports/sysdeps/unix/sysv/linux/m68k/configure
@@ -1,7 +1,6 @@
 # This file is generated from configure.in by Autoconf.  DO NOT EDIT!
  case $machine in
 m68k/coldfire)
-  arch_minimum_kernel=2.6.10
   ;;
 *)
   libc_cv_gcc_unwind_find_fde=yes

diff --git a/ports/sysdeps/unix/sysv/linux/m68k/configure.in b/ports/sysdeps/unix/sysv/linux/m68k/configure.in
@@ -2,7 +2,6 @@ sinclude(./aclocal.m4)dnl Autoconf lossage
 GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
 case $machine in
 m68k/coldfire)
-  arch_minimum_kernel=2.6.10
   ;;
 *)
   libc_cv_gcc_unwind_find_fde=yes

diff --git a/ports/sysdeps/unix/sysv/linux/m68k/kernel-features.h b/ports/sysdeps/unix/sysv/linux/m68k/kernel-features.h
@@ -22,11 +22,9 @@
 #define __ASSUME_STAT64_SYSCALL	1
 
 /* Many syscalls were added in 2.6.10 for m68k.  */
-#if __LINUX_KERNEL_VERSION >= 132618
-# define __ASSUME_TGKILL	1
-# define __ASSUME_UTIMES	1
-# define __ASSUME_FADVISE64_64_SYSCALL	1
-#endif
+#define __ASSUME_TGKILL	1
+#define __ASSUME_UTIMES	1
+#define __ASSUME_FADVISE64_64_SYSCALL	1
 
 #include_next <kernel-features.h>
 

diff --git a/ports/sysdeps/unix/sysv/linux/mips/configure b/ports/sysdeps/unix/sysv/linux/mips/configure
@@ -30,7 +30,4 @@ case "$prefix" in
   esac
 esac
 
-if test -z "$arch_minimum_kernel"; then
-  arch_minimum_kernel=2.6.12
-  libc_cv_gcc_unwind_find_fde=yes
-fi
+libc_cv_gcc_unwind_find_fde=yes
diff --git a/ports/sysdeps/unix/sysv/linux/mips/configure.in b/ports/sysdeps/unix/sysv/linux/mips/configure.in
@@ -31,7 +31,4 @@ case "$prefix" in
   esac
 esac
 
-if test -z "$arch_minimum_kernel"; then
-  arch_minimum_kernel=2.6.12
-  libc_cv_gcc_unwind_find_fde=yes
-fi
+libc_cv_gcc_unwind_find_fde=yes
diff --git a/sysdeps/unix/sysv/linux/configure b/sysdeps/unix/sysv/linux/configure
@@ -284,34 +284,34 @@ test -n "$arch_minimum_kernel" ||
 case "$machine" in
   i386*)
     libc_cv_gcc_unwind_find_fde=yes
-    arch_minimum_kernel=2.6.0
+    arch_minimum_kernel=2.6.16
     ;;
   powerpc/powerpc32)
     libc_cv_gcc_unwind_find_fde=yes
-    arch_minimum_kernel=2.6.0
+    arch_minimum_kernel=2.6.16
     ;;
   s390/s390-32)
     libc_cv_gcc_unwind_find_fde=yes
-    arch_minimum_kernel=2.6.0
+    arch_minimum_kernel=2.6.16
     ;;
   s390/s390-64)
     libc_cv_gcc_unwind_find_fde=yes
-    arch_minimum_kernel=2.6.0
+    arch_minimum_kernel=2.6.16
     ;;
   sh*)
-    arch_minimum_kernel=2.6.0
+    arch_minimum_kernel=2.6.16
     libc_cv_gcc_unwind_find_fde=yes
     ;;
   sparc/sparc64*)
     libc_cv_gcc_unwind_find_fde=yes
-    arch_minimum_kernel=2.6.0
+    arch_minimum_kernel=2.6.16
     ;;
   sparc*)
     libc_cv_gcc_unwind_find_fde=yes
-    arch_minimum_kernel=2.6.0
+    arch_minimum_kernel=2.6.16
     ;;
   *)
-    arch_minimum_kernel=2.6.0
+    arch_minimum_kernel=2.6.16
     ;;
 esac
 if test -n "$minimum_kernel"; then

diff --git a/sysdeps/unix/sysv/linux/configure.in b/sysdeps/unix/sysv/linux/configure.in
@@ -41,34 +41,34 @@ test -n "$arch_minimum_kernel" ||
 case "$machine" in
   i386*)
     libc_cv_gcc_unwind_find_fde=yes
-    arch_minimum_kernel=2.6.0
+    arch_minimum_kernel=2.6.16
     ;;
   powerpc/powerpc32)
     libc_cv_gcc_unwind_find_fde=yes
-    arch_minimum_kernel=2.6.0
+    arch_minimum_kernel=2.6.16
     ;;
   s390/s390-32)
     libc_cv_gcc_unwind_find_fde=yes
-    arch_minimum_kernel=2.6.0
+    arch_minimum_kernel=2.6.16
     ;;
   s390/s390-64)
     libc_cv_gcc_unwind_find_fde=yes
-    arch_minimum_kernel=2.6.0
+    arch_minimum_kernel=2.6.16
     ;;
   sh*)
-    arch_minimum_kernel=2.6.0
+    arch_minimum_kernel=2.6.16
     libc_cv_gcc_unwind_find_fde=yes
     ;;
   sparc/sparc64*)
     libc_cv_gcc_unwind_find_fde=yes
-    arch_minimum_kernel=2.6.0
+    arch_minimum_kernel=2.6.16
     ;;
   sparc*)
     libc_cv_gcc_unwind_find_fde=yes
-    arch_minimum_kernel=2.6.0
+    arch_minimum_kernel=2.6.16
     ;;
   *)
-    arch_minimum_kernel=2.6.0
+    arch_minimum_kernel=2.6.16
     ;;
 esac
 if test -n "$minimum_kernel"; then