Avoid multiply-defined symbols that lead to link errors such as:

  gcc -O2 -fno-strict-aliasing -fwrapv -Wall -fno-tree-vrp  -g -D_FILE_OFFSET_BITS=64 -D_REENTRANT -DCAML_NAME_SPACE  -Wl,-E -o ocamlruni prims.o libcamlruni.a -lm  -ldl -lpthread 
  ld: libcamlruni.a(backtrace.i.o):/tmp/guix-build-ocaml-4.07.1.drv-0/ocaml-4.07.1/byterun/backtrace.c:31: multiple definition of `caml_debug_info'; libcamlruni.a(backtrace_prim.i.o):/tmp/guix-build-ocaml-4.07.1.drv-0/ocaml-4.07.1/byterun/backtrace_prim.c:47: first defined here

diff --git a/asmrun/startup.c b/asmrun/startup.c
index 070f0c6..cf8a56f 100644
--- a/asmrun/startup.c
+++ b/asmrun/startup.c
@@ -44,7 +44,6 @@
 #endif
 
 extern int caml_parser_trace;
-CAMLexport header_t caml_atom_table[256];
 char * caml_code_area_start, * caml_code_area_end;
 struct ext_table caml_code_fragments_table;
 
diff --git a/byterun/backtrace.c b/byterun/backtrace.c
index 8dfe9b7..9cc9e72 100644
--- a/byterun/backtrace.c
+++ b/byterun/backtrace.c
@@ -28,7 +28,7 @@
 #include "caml/fail.h"
 
 /* The table of debug information fragments */
-struct ext_table caml_debug_info;
+static struct ext_table caml_debug_info;
 
 CAMLexport int32_t caml_backtrace_active = 0;
 CAMLexport int32_t caml_backtrace_pos = 0;
diff --git a/byterun/backtrace_prim.c b/byterun/backtrace_prim.c
index e69b256..d794f73 100644
--- a/byterun/backtrace_prim.c
+++ b/byterun/backtrace_prim.c
@@ -44,7 +44,7 @@
 #include "caml/backtrace_prim.h"
 
 /* The table of debug information fragments */
-struct ext_table caml_debug_info;
+static struct ext_table caml_debug_info;
 
 CAMLexport char_os * caml_cds_file = NULL;
 
>
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</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=ad46c8aa7f8ae74aa8f594b4cd663ea2ea9a8115&amp;showmsg=1'>root</a>/<a href='/guix/log/po?id=ad46c8aa7f8ae74aa8f594b4cd663ea2ea9a8115&amp;showmsg=1'>po</a>/<a href='/guix/log/po/packages?id=ad46c8aa7f8ae74aa8f594b4cd663ea2ea9a8115&amp;showmsg=1'>packages</a>/<a href='/guix/log/po/packages/oc.po?id=ad46c8aa7f8ae74aa8f594b4cd663ea2ea9a8115&amp;showmsg=1'>oc.po</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/po/packages/oc.po?id=ad46c8aa7f8ae74aa8f594b4cd663ea2ea9a8115'>Collapse</a>)</th><th class='left'>Author</th></tr>
<tr class='logheader'><td><span title='2021-05-10 22:27:53 -0400'>2021-05-10</span></td><td class='logsubject'><a href='/guix/commit/po/packages/oc.po?id=63d26e81eea7be63caeb0eb7ca26ca1cf963ec97'>nls: New nl and oc translations for the 'packages' component.</a></td><td>Maxim Cournoyer</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* po/packages/nl.po: New file.
* po/packages/oc.po: Likewise.
* po/packages/LINGUAS: Register them.


</td></tr>
00'>2020-10-22</span></td><td><a href='/guix/commit/README?id=503d2bfde08f9bf97bbf430516d2f19faedd4319'>README: Refer to the manual for building from Git.</a><span class='msg-avail'>...<span class='msg-tooltip'>* README (Installing Guix from Guix): Remove section.
(Installation): For installing from Git, refer to the "Building from Git"
section of the manual and suggest using './pre-inst-env guix pull' rather than
'make install' for installing Guix.
</span></span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2020-06-02 18:55:53 +0200'>2020-06-02</span></td><td><a href='/guix/commit/README?id=c75a80189fc19f6ff8b4c82d1d1801be6763b6d2'>doc: Update README to refer to the manual.</a><span class='msg-avail'>...<span class='msg-tooltip'>* README (Requirements): Refer to the manual.
(Installation): Update URL of the manual.
</span></span></td><td>Ludovic Courtès</td></tr>