Stefan Fiedler:

package/base/glibc/glibc27/6225_all_glibc-2.7-cargs6.patch

@@ -0,0 +1,27 @@
+Copied from http://sources.gentoo.org/viewcvs.py/*checkout*/gentoo/src/patchsets/glibc/2.7/6225_all_glibc-2.7-cargs6.patch; also see http://sourceware.org/ml/libc-ports/2008-02/msg00005.html
+
+fix building on arm:
+
+(echo '#include <sysdep-cancel.h>'; \
+	echo 'PSEUDO (splice, splice, 6)'; \
+	echo ' ret'; \
+	echo 'PSEUDO_END(splice)'; \
+	echo 'libc_hidden_def (splice)'; \
+	) | armv4l-unknown-linux-gnu-gcc -c -I../include -I/var/tmp/portage/sys-libs/glibc-2.7-r1/work/build-default-armv4l-unknown-linux-gnu-nptl/misc -I/var/tmp/portage/sys-libs/glibc-2.7-r1/work/build-default-armv4l-unknown-linux-gnu-nptl -I../ports/sysdeps/arm/elf -I../ports/sysdeps/unix/sysv/linux/arm/nptl -I../ports/sysdeps/unix/sysv/linux/arm -I../nptl/sysdeps/unix/sysv/linux -I../nptl/sysdeps/pthread -I../sysdeps/pthread -I../ports/sysdeps/unix/sysv/linux -I../sysdeps/unix/sysv/linux -I../sysdeps/gnu -I../sysdeps/unix/common -I../sysdeps/unix/mman -I../sysdeps/unix/inet -I../nptl/sysdeps/unix/sysv -I../ports/sysdeps/unix/sysv -I../sysdeps/unix/sysv -I../ports/sysdeps/unix/arm -I../nptl/sysdeps/unix -I../ports/sysdeps/unix -I../sysdeps/unix -I../sysdeps/posix -I../ports/sysdeps/arm/fpu -I../ports/sysdeps/arm/nptl -I../ports/sysdeps/arm -I../sysdeps/wordsize-32 -I../sysdeps/ieee754/flt-32 -I../sysdeps/ieee754/dbl-64 -I../sysdeps/ieee754 -I../sysdeps/generic/elf -I../sysdeps/generic -I../nptl -I../ports -I.. -I../libio -I. -nostdinc -isystem /usr/lib/gcc/armv4l-unknown-linux-gnu/4.1.2/include -isystem /usr/lib/gcc/armv4l-unknown-linux-gnu/4.1.2/include-fixed -isystem /usr/include -D_LIBC_REENTRANT -include ../include/libc-symbols.h -DASSEMBLER -x assembler-with-cpp -o /var/tmp/portage/sys-libs/glibc-2.7-r1/work/build-default-armv4l-unknown-linux-gnu-nptl/misc/splice.o -
+<stdin>: Assembler messages:
+<stdin>:2: Error: bad instruction `docargs_6'
+<stdin>:2: Error: bad instruction `undocargs_6'
+make[2]: *** [/var/tmp/portage/sys-libs/glibc-2.7-r1/work/build-default-armv4l-unknown-linux-gnu-nptl/misc/splice.o] Error 1
+
+--- ./ports/sysdeps/unix/sysv/linux/arm/nptl/sysdep-cancel.h
++++ ./ports/sysdeps/unix/sysv/linux/arm/nptl/sysdep-cancel.h
+@@ -73,6 +73,9 @@
+ # define DOCARGS_5	DOCARGS_4
+ # define UNDOCARGS_5	UNDOCARGS_4
+ 
++# define DOCARGS_6	DOCARGS_5
++# define UNDOCARGS_6	UNDOCARGS_5
++
+ # ifdef IS_IN_libpthread
+ #  define CENABLE	bl PLTJMP(__pthread_enable_asynccancel)
+ #  define CDISABLE	bl PLTJMP(__pthread_disable_asynccancel)

package/base/glibc/glibc27/glibc-2.7-arm-THREAD_SELF.patch

@@ -0,0 +1,21 @@
+Fixes the error:
+In file included from ../nptl/sysdeps/unix/sysv/linux/libc-lowlevellock.c:21:
+../nptl/sysdeps/unix/sysv/linux/lowlevellock.c: In function '__lll_lock_wait_private':
+../nptl/sysdeps/unix/sysv/linux/lowlevellock.c:34: warning: implicit declaration of function 'THREAD_GETMEM'
+../nptl/sysdeps/unix/sysv/linux/lowlevellock.c:34: error: 'THREAD_SELF' undeclared (first use in this function)
+../nptl/sysdeps/unix/sysv/linux/lowlevellock.c:34: error: (Each undeclared identifier is reported only once
+../nptl/sysdeps/unix/sysv/linux/lowlevellock.c:34: error: for each function it appears in.)
+../nptl/sysdeps/unix/sysv/linux/lowlevellock.c:34: error: 'header' undeclared (first use in this function)
+
+Copied from http://www.nabble.com/arm-linux-compilation-failure-and-possible-fix-td19229074.html
+
+--- ./ports/sysdeps/unix/sysv/linux/arm/nptl/lowlevellock.h.orig	2008-10-04 20:46:13.000000000 +0200
++++ ./ports/sysdeps/unix/sysv/linux/arm/nptl/lowlevellock.h	2008-10-04 20:45:40.000000000 +0200
+@@ -25,6 +25,7 @@
+ #include <atomic.h>
+ #include <sysdep.h>
+ #include <kernel-features.h>
++#include <tls.h>
+ 
+ #define FUTEX_WAIT		0
+ #define FUTEX_WAKE		1

package/base/glibc/glibc27/glibc-2.7-arm-asm_page.patch

@@ -0,0 +1,13 @@
+See e.g. http://www.mail-archive.com/debian-glibc%40lists.debian.org/msg38393.html
+or http://sourceware.org/ml/crossgcc/2008-05/msg00014.html
+
+--- ./ports/sysdeps/unix/sysv/linux/arm/ioperm.c.orig	2008-10-04 19:47:32.000000000 +0200
++++ ./ports/sysdeps/unix/sysv/linux/arm/ioperm.c	2008-10-04 19:47:42.000000000 +0200
+@@ -45,7 +45,6 @@
+ #include <sys/mman.h>
+ 
+ #include <linux/version.h>
+-#include <asm/page.h>
+ #include <sys/sysctl.h>
+ 
+ #define PATH_ARM_SYSTYPE	"/etc/arm_systype"