PATCH: Add sysdeps/unix/sysv/linux/x86_64/x32/configure.in

[H.J. Lu]

On Wed, May 23, 2012 at 5:02 PM, Roland McGrath <roland@hack.frob.com> wrote:
>> This patch adds sysdeps/unix/sysv/linux/x86_64/x32/configure.in
>> to specify minimum kernel and directories for x32.
>
> It's fine to make it a configure.in, but since there is no use of
> autoconf macros here, you could instead make it just a configure.
> That's simpler if you don't expect that this file will one day grow
> some macro use.  But either way is OK.
>
>> I used 2.6.39 as
>> minimum kernel since Fedora 15 kernel maps kernel 3.x to 2.6.4x.y.
>
> Fedora 15 didn't have x32, so what does that matter?  The first
> official Linux kernel release with x32 was 3.4, so that's what it
> should say.
>

This is what I checked in.

Thanks.

-- 
H.J.
---
	* sysdeps/unix/sysv/linux/x86_64/x32/configure: New file.

diff --git a/sysdeps/unix/sysv/linux/x86_64/x32/configure
b/sysdeps/unix/sysv/linux/x86_64/x32/configure
new file mode 100644
index 0000000..51fc1e6
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/x86_64/x32/configure
@@ -0,0 +1,18 @@
+# Local configure fragment for sysdeps/unix/sysv/linux/86_64/x32.
+
+case "$machine" in
+x86_64/x32)
+  test -n "$arch_minimum_kernel" || arch_minimum_kernel=3.4.0
+  test -n "$libc_cv_slibdir" ||
+  case "$prefix" in
+  /usr | /usr/)
+    libc_cv_slibdir="/libx32"
+    if test "$libdir" = '${exec_prefix}/lib'; then
+      libdir='${exec_prefix}/libx32';
+      # Locale data can be shared.
+      libc_cv_localedir='${exec_prefix}/lib/locale'
+    fi
+    ;;
+  esac
+  ;;
+esac