eglibc-initial: Fix build failure due to missing limits.h

We have had these things in place to overcome a limitation
from our gcc-initial-cross not staging a self sufficient
limits.h. Now thats fixed we do reset TOOLCHAIN_OPTIONS
to point to sysroot where linux kernel headers are staged
and not the bootstrap sysroot which will infact be popuated
by eglibc-initial itself.

Secondly we dont need to set CPPFLAGS specially as we
are doing that in eglibc.inc so we override that

(From OE-Core rev: 3045ab9b3efc887700a922d06a6f5f4069a41356)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-core/eglibc/eglibc-initial.inc

@@ -8,6 +8,7 @@ PACKAGES_DYNAMIC = ""
 
 STAGINGCC = "gcc-cross-initial"
 STAGINGCC_virtclass-nativesdk = "gcc-crosssdk-initial"
+TOOLCHAIN_OPTIONS = " --sysroot=${STAGING_DIR_TARGET}"
 
 do_configure () {
 	sed -ie 's,{ (exit 1); exit 1; }; },{ (exit 0); }; },g' ${S}/configure

meta/recipes-core/eglibc/eglibc-initial_2.16.bb

@@ -1,6 +1,9 @@
 require eglibc_${PV}.bb
 require eglibc-initial.inc
 
-do_configure_prepend () {
-        unset CFLAGS
-}
+# main eglibc recipes muck with TARGET_CPPFLAGS to point into
+# final target sysroot but we
+# are not there when building eglibc-initial
+# so reset it here
+
+TARGET_CPPFLAGS = ""

meta/recipes-core/eglibc/eglibc_2.16.bb

@@ -3,7 +3,7 @@ require eglibc.inc
 SRCREV = "19383"
 
 DEPENDS += "gperf-native"
-PR = "r1"
+PR = "r2"
 PR_append = "+svnr${SRCPV}"
 
 EGLIBC_BRANCH="eglibc-2_16"