tile: support biarch tilegx with a new tilegx Makefile

diff --git a/ChangeLog.tile b/ChangeLog.tile
index 4e01251..d8009ab 100644 (file)
--- a/ChangeLog.tile
+++ b/ChangeLog.tile
@@ -1,5 +1,7 @@
 2012-05-30  Chris Metcalf  <cmetcalf@tilera.com>
 
+       * sysdeps/unix/sysv/linux/tile/tilegx/Makefile: New file.
+
        * sysdeps/unix/sysv/linux/tile/nptl/pthread_once.c: Replace
        _internal alias by hidden_def.
 

diff --git a/sysdeps/unix/sysv/linux/tile/tilegx/Makefile b/sysdeps/unix/sysv/linux/tile/tilegx/Makefile
new file mode 100644 (file)
index 0000000..f21610c
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/tile/tilegx/Makefile
@@ -0,0 +1,10 @@
+ifeq ($(subdir),misc)
+
+# Provide biarch definitions.
+abi-variants := 64 32
+abi-64-options := -D__LP64__
+abi-64-condition := __WORDSIZE == 64
+abi-32-options := -U__LP64__
+abi-32-condition := __WORDSIZE == 32
+
+endif