[PATCH 4/4] security_flags.inc: clear SECURITY_CFLAGS for uclibc

[Andre McCurdy <armccurdy@gmail.com>]

uclibc fails to build when security_flags.inc is used.

 | i686-rdk-linux-uclibc-gcc  -m32 -march=core2 -mtune=core2 -msse3 -mfpmath=sse --sysroot=/build-vbox32/tmp/sysroots/vbox32-tcbootstrap  -Wl,-EL -Wl,--sort-common -Wl,--sort-section=alignment -m32 -shared -Wl,--warn-common -Wl,--warn-once -Wl,-z,combreloc -Wl,-z,relro -Wl,-z,now -Wl,--hash-style=gnu -Wl,-z,defs   -Wl,-init,__uClibc_init  -Wl,-soname=libc.so.0 -nostdlib -o lib/libuClibc-0.9.34-git.so  -Wl,--whole-archive libc/libc_so.a -Wl,--no-whole-archive ./lib/interp.os ./lib/ld-uClibc.so.0 ./lib/uclibc_nonshared.a /build-vbox32/tmp/sysroots/vbox32-tcbootstrap/usr/lib/i686-rdk-linux-uclibc/4.9.3/libgcc.a
 | libc/libc_so.a(sigaction.os): In function `__libc_sigaction':
 | /build-vbox32/tmp/work/core2-32-rdk-linux-uclibc/uclibc/0.9.33+gitAUTOINC+48a0006012-r9/git/libc/sysdeps/linux/i386/sigaction.c:37: undefined reference to `__stack_chk_guard'
 | /build-vbox32/tmp/work/core2-32-rdk-linux-uclibc/uclibc/0.9.33+gitAUTOINC+48a0006012-r9/git/libc/sysdeps/linux/i386/sigaction.c:49: undefined reference to `__stack_chk_fail_local'
 | collect2: error: ld returned 1 exit status
 | make: *** [lib/libc.so] Error 1

Clearing SECURITY_CFLAGS completely may not be the best approach, but
it's the approach taken for glibc, so try it for uclibc too.

Signed-off-by: Andre McCurdy <armccurdy@gmail.com>
---
 meta/conf/distro/include/security_flags.inc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/meta/conf/distro/include/security_flags.inc b/meta/conf/distro/include/security_flags.inc
index 3724972..a107657 100644
--- a/meta/conf/distro/include/security_flags.inc
+++ b/meta/conf/distro/include/security_flags.inc
@@ -84,6 +84,8 @@ SECURITY_CFLAGS_pn-python-smartpm = "${SECURITY_NO_PIE_CFLAGS}"
 SECURITY_CFLAGS_pn-python-numpy = "${SECURITY_NO_PIE_CFLAGS}"
 SECURITY_CFLAGS_pn-tcl = "${SECURITY_NO_PIE_CFLAGS}"
 SECURITY_CFLAGS_pn-tiff = "${SECURITY_NO_PIE_CFLAGS}"
+SECURITY_CFLAGS_pn-uclibc = ""
+SECURITY_CFLAGS_pn-uclibc-initial = ""
 SECURITY_CFLAGS_pn-valgrind = "${SECURITY_NO_PIE_CFLAGS}"
 SECURITY_CFLAGS_pn-webkit-gtk = "${SECURITY_NO_PIE_CFLAGS}"
 SECURITY_CFLAGS_pn-zlib = "${SECURITY_NO_PIE_CFLAGS}"
-- 
1.9.1