[OE-core] [RFC PATCH 2/7][dora] nss: workaround multilib build on 32bit host

[Mark Hatle]

From: Wenzong Fan <wenzong.fan at windriver.com>

-- Sent for YP compliance --

The nsinstall is a tool that only runs on host to install built files.
It was not included in native tools somehow, while building lib64-nss
on 32bit host, it will fail with errors:

1) On OpenSUSE 11.x 32bit:
* nsinstall.c:1:0: sorry, unimplemented: 64-bit mode not compiled

Since host gcc doesn't configured to support '-m64' option.

2) On Ubuntu 13.x 32bit:
* gcc -o Linux3.4_ppc_glibc_PTH_64_OPT.OBJ/nsinstall.o -c -m64 ...
  nsinstall.c
  In file included from /usr/include/features.h:341:0,
                  from /usr/include/stdio.h:27,
                  from nsinstall.c:8:
  /usr/include/stdc-predef.h:30:26: fatal error: bits/predefs.h: \
  No such file or directory

The nsinstall was built first while nss starting to build, it doesn't
need any cross-compling or multilib build options. We could workaround
this by clean the ARCHFLAG and LDFLAGS from nsinstall's Makefile. But
the correct approach would be pulling the tool into the -native build
and then using the tool for the target build.

Signed-off-by: Wenzong Fan <wenzong.fan at windriver.com>
Signed-off-by: Robert Yang <liezhi.yang at windriver.com>
Signed-off-by: Mark Hatle <mark.hatle at windriver.com>
---
 .../nss/files/nss-fix-nsinstall-build.patch        | 35 ++++++++++++++++++++++
 meta/recipes-support/nss/nss.inc                   |  1 +
 2 files changed, 36 insertions(+)
 create mode 100644 meta/recipes-support/nss/files/nss-fix-nsinstall-build.patch

diff --git a/meta/recipes-support/nss/files/nss-fix-nsinstall-build.patch b/meta/recipes-support/nss/files/nss-fix-nsinstall-build.patch
new file mode 100644
index 0000000..866de07
--- /dev/null
+++ b/meta/recipes-support/nss/files/nss-fix-nsinstall-build.patch
@@ -0,0 +1,35 @@
+Fix nss multilib build on openSUSE 11.x 32bit
+
+While building lib64-nss on openSUSE 11.x 32bit, the nsinstall will
+fail with error:
+
+* nsinstall.c:1:0: sorry, unimplemented: 64-bit mode not compiled
+
+It caused by the '-m64' option which passed to host gcc.
+
+The nsinstall was built first while nss starting to build, it only runs
+on host to install built files, it doesn't need any cross-compling or
+multilib build options. Just clean the ARCHFLAG and LDFLAGS to fix this
+error.
+
+Upstream-Status: Pending
+
+Signed-off-by: Wenzong Fan <wenzong.fan at windriver.com>
+===================================================
+diff --git a/nss/coreconf/nsinstall/Makefile b/nss/coreconf/nsinstall/Makefile
+index 1850bcb..5aee84f 100644
+--- a/nss/coreconf/nsinstall/Makefile
++++ b/nss/coreconf/nsinstall/Makefile
+@@ -18,6 +18,12 @@ INTERNAL_TOOLS  = 1
+ 
+ include $(DEPTH)/coreconf/config.mk
+ 
++# nsinstall is unfit for cross-compiling/multilib-build since it was
++# always run on local host to install built files. This change intends
++# to clean the '-m64' from ARCHFLAG and LDFLAGS.
++ARCHFLAG =
++LDFLAGS =
++
+ ifeq (,$(filter-out OS2 WIN%,$(OS_TARGET)))
+ PROGRAM		=
+ else
diff --git a/meta/recipes-support/nss/nss.inc b/meta/recipes-support/nss/nss.inc
index 2b2b668..82d6bc5 100644
--- a/meta/recipes-support/nss/nss.inc
+++ b/meta/recipes-support/nss/nss.inc
@@ -20,6 +20,7 @@ SRC_URI = "\
 SRC_URI_append_class-target += "\
     file://nss.pc.in \
     file://signlibs.sh \
+    file://nss-fix-nsinstall-build.patch \
 "
 inherit siteinfo
 PR = "r0"
-- 
1.8.1.2.545.g2f19ada