From b16f6813011519ce247b0af9a4b78486daefad54 Mon Sep 17 00:00:00 2001
From: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Date: Wed, 26 Aug 2020 22:54:50 +0200
Subject: [PATCH] src/roxml_mem.h: add missing extern

Add missing extern to head_cell otherwise the build with gcc 10 (with
-fno-common being default) will fail on:

/bin/bash ./libtool  --tag=CC   --mode=link /home/peko/autobuild/instance-0/output-1/host/bin/arm-buildroot-linux-gnueabihf-gcc -DIGNORE_EMPTY_TEXT_NODES -DCONFIG_XML_CONTENT -DCONFIG_XML_NAV -DCONFIG_XML_BUFF  -DCONFIG_XML_COMMIT -DCONFIG_XML_EDIT -DCONFIG_XML_FILE -DCONFIG_XML_XPATH -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -O2   -pthread -version-info 0:0:0  -o libroxml.la -rpath /usr/lib src/libroxml_la-roxml_core.lo src/libroxml_la-roxml_parser.lo src/libroxml_la-roxml_buff.lo src/libroxml_la-roxml_nav.lo src/libroxml_la-roxml_content.lo src/libroxml_la-roxml_mem.lo src/libroxml_la-roxml_stub.lo src/libroxml_la-roxml_commit.lo src/libroxml_la-roxml_edit.lo src/libroxml_la-roxml_file.lo src/libroxml_la-roxml_xpath.lo  -pthread
libtool: link: /home/peko/autobuild/instance-0/output-1/host/bin/arm-buildroot-linux-gnueabihf-gcc -shared  -fPIC -DPIC  src/.libs/libroxml_la-roxml_core.o src/.libs/libroxml_la-roxml_parser.o src/.libs/libroxml_la-roxml_buff.o src/.libs/libroxml_la-roxml_nav.o src/.libs/libroxml_la-roxml_content.o src/.libs/libroxml_la-roxml_mem.o src/.libs/libroxml_la-roxml_stub.o src/.libs/libroxml_la-roxml_commit.o src/.libs/libroxml_la-roxml_edit.o src/.libs/libroxml_la-roxml_file.o src/.libs/libroxml_la-roxml_xpath.o    -O2 -pthread -pthread   -pthread -Wl,-soname -Wl,libroxml.so.0 -o .libs/libroxml.so.0.0.0
/home/peko/autobuild/instance-0/output-1/host/lib/gcc/arm-buildroot-linux-gnueabihf/10.2.0/../../../../arm-buildroot-linux-gnueabihf/bin/ld: src/.libs/libroxml_la-roxml_mem.o:(.data+0x0): multiple definition of `head_cell'; src/.libs/libroxml_la-roxml_content.o:(.bss+0x0): first defined here

Fixes:
 - http://autobuild.buildroot.org/results/b6ac3664d61ad826515b57c4d057b6f001b5167d

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
[Upstream status: https://github.com/blunderer/libroxml/pull/79]
---
 src/roxml_mem.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/roxml_mem.h b/src/roxml_mem.h
index aff6137..34a5070 100644
--- a/src/roxml_mem.h
+++ b/src/roxml_mem.h
@@ -14,7 +14,7 @@
 
 #include "roxml_internal.h"
 
-memory_cell_t head_cell;
+extern memory_cell_t head_cell;
 
 /** \brief alloc memory function
  *
-- 
2.28.0