On x32 builds, sysd-syscalls appears malformed since the make-target-directory
appears on the wrong line. This causes races during the build process where you can
see failures like:

Assembler messages:
Fatal error: can't create [...]glibc/2.21-r0/build-x86_64-poky-linux-gnux32/time/gettimeofday.os: No such file or directory
Assembler messages:
Fatal error: can't create [...]glibc/2.21-r0/build-x86_64-poky-linux-gnux32/time/time.os: No such file or directory

The isue is that the carridge return is being escaped when it should 
not be. The change to sysd-syscalls with this change:

before:

"""
$(foreach p,$(sysd-rules-targets),$(objpfx)$(patsubst %,$p,time).os): \
                $(..)sysdeps/unix/make-syscalls.sh      $(make-target-directory)
        (echo '#include <dl-vdso.h>'; 
"""

after:

"""
$(foreach p,$(sysd-rules-targets),$(objpfx)$(patsubst %,$p,time).os): \
                $(..)sysdeps/unix/make-syscalls.sh
        $(make-target-directory)
        (echo '#include <dl-vdso.h>'; 
"""

which ensures the target directory is correctly created. Only x32 uses the vdso 
code which contains the bug which is why the error only really appears on x32.

Upstream Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=18409
Upstream Fix: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d9efd775ba51916b58b899d8b1c8501105a830de

Upstream-Status: Backport
RP 2015/5/13

Index: git/sysdeps/unix/make-syscalls.sh
===================================================================
--- git.orig/sysdeps/unix/make-syscalls.sh
+++ git/sysdeps/unix/make-syscalls.sh
@@ -278,7 +278,7 @@ while read file srcfile caller syscall a
     vdso_symver=`echo "$vdso_symver" | sed 's/\./_/g'`
     echo "\
 \$(foreach p,\$(sysd-rules-targets),\$(objpfx)\$(patsubst %,\$p,$file).os): \\
-		\$(..)sysdeps/unix/make-syscalls.sh\
+		\$(..)sysdeps/unix/make-syscalls.sh
 	\$(make-target-directory)
 	(echo '#include <dl-vdso.h>'; \\
 	 echo 'extern void *${strong}_ifunc (void) __asm (\"${strong}\");'; \\