Bump Buildroot Version to buildroot 2019_02_6

bsp/buildroot/package/squid/0001-acinclude-os-deps.m4-fix-cross-compilation.patch

@@ -0,0 +1,42 @@
+From 5dbaf8eebc5b66230e0131b09651c7e40bf0e9de Mon Sep 17 00:00:00 2001
+From: Fabrice Fontaine <fontaine.fabrice@gmail.com>
+Date: Tue, 20 Aug 2019 21:41:16 +0200
+Subject: [PATCH] acinclude/os-deps.m4: fix cross-compilation
+
+Do not check check file descriptor maximum value through AC_RUN_IFELSE
+when cross-compiling as this will raise an error
+
+Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
+[Upstream status: https://github.com/squid-cache/squid/pull/464]
+---
+ acinclude/os-deps.m4 | 7 +++++--
+ 1 file changed, 5 insertions(+), 2 deletions(-)
+
+diff --git a/acinclude/os-deps.m4 b/acinclude/os-deps.m4
+index b50717517..ec10a54c6 100644
+--- a/acinclude/os-deps.m4
++++ b/acinclude/os-deps.m4
+@@ -169,7 +169,9 @@ AC_MSG_CHECKING(Maximum number of filedescriptors we can open)
+ SQUID_STATE_SAVE(maxfd)
+ dnl FreeBSD pthreads break dup2().
+   AS_CASE([$host_os],[freebsd],[ LDFLAGS=`echo $LDFLAGS | sed -e "s/-pthread//"` ])
+-  AC_RUN_IFELSE([AC_LANG_SOURCE([[
++  dnl AC_RUN_IFELSE can't be run when cross-compiling
++  AS_CASE([$cross_compiling],[no],[
++    AC_RUN_IFELSE([AC_LANG_SOURCE([[
+ #include <stdio.h>
+ #include <unistd.h>
+ #include <stdlib.h>
+@@ -231,7 +233,8 @@ int main(int argc, char **argv) {
+ 	fprintf (fp, "%d\n", i & ~0x3F);
+ 	return 0;
+ }
+-  ]])],[squid_filedescriptors_limit=`cat conftestval`],[],[])
++    ]])],[squid_filedescriptors_limit=`cat conftestval`],[],[])
++  ])
+   dnl Microsoft MSVCRT.DLL supports 2048 maximum FDs
+   AS_CASE(["$host_os"],[mingw|mingw32],[squid_filedescriptors_limit="2048"])
+   AC_MSG_RESULT($squid_filedescriptors_limit)
+-- 
+2.20.1
+