These symbols appear in dynsyms of libsystemd.so and musl loader
doesnt like it

Error relocating 
/mnt/a/oe/build/tmp/work/i586-bec-linux-musl/avahi/0.7-r0/recipe-sysroot//lib/libsystemd.so.0:
 __start_BUS_ERROR_MAP: symbol not found
Error relocating 
/mnt/a/oe/build/tmp/work/i586-bec-linux-musl/avahi/0.7-r0/recipe-sysroot//lib/libsystemd.so.0:
 __stop_BUS_ERROR_MAP: symbol not found

[YOCTO #12577]

Signed-off-by: Khem Raj <raj.k...@gmail.com>
---
 ...rt_BUS_ERROR_MAP-and-__stop_BUS_ERROR_MAP.patch | 34 ++++++++++++++++++++++
 meta/recipes-core/systemd/systemd_234.bb           |  1 +
 2 files changed, 35 insertions(+)
 create mode 100644 
meta/recipes-core/systemd/systemd/0001-Hide-__start_BUS_ERROR_MAP-and-__stop_BUS_ERROR_MAP.patch

diff --git 
a/meta/recipes-core/systemd/systemd/0001-Hide-__start_BUS_ERROR_MAP-and-__stop_BUS_ERROR_MAP.patch
 
b/meta/recipes-core/systemd/systemd/0001-Hide-__start_BUS_ERROR_MAP-and-__stop_BUS_ERROR_MAP.patch
new file mode 100644
index 0000000000..2cffc426ed
--- /dev/null
+++ 
b/meta/recipes-core/systemd/systemd/0001-Hide-__start_BUS_ERROR_MAP-and-__stop_BUS_ERROR_MAP.patch
@@ -0,0 +1,34 @@
+From 687a5af8dc5d38f918a6ce08fed5297234bf8346 Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.k...@gmail.com>
+Date: Fri, 2 Mar 2018 18:00:17 -0800
+Subject: [PATCH] Hide __start_BUS_ERROR_MAP and __stop_BUS_ERROR_MAP
+
+for currently unknown reasons they get exported to the shared libries
+even without being listed in the sym file
+
+Signed-off-by: Khem Raj <raj.k...@gmail.com>
+---
+
+Upstream-Status: Pending [ Conditional on master needing this, 234 does need 
it ]
+
+ src/libsystemd/sd-bus/bus-error.c | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/src/libsystemd/sd-bus/bus-error.c 
b/src/libsystemd/sd-bus/bus-error.c
+index 378f7a377..49d797abd 100644
+--- a/src/libsystemd/sd-bus/bus-error.c
++++ b/src/libsystemd/sd-bus/bus-error.c
+@@ -71,8 +71,8 @@ BUS_ERROR_MAP_ELF_REGISTER const sd_bus_error_map 
bus_standard_errors[] = {
+ };
+ 
+ /* GCC maps this magically to the beginning and end of the BUS_ERROR_MAP 
section */
+-extern const sd_bus_error_map __start_BUS_ERROR_MAP[];
+-extern const sd_bus_error_map __stop_BUS_ERROR_MAP[];
++extern const sd_bus_error_map __start_BUS_ERROR_MAP[] _hidden_;
++extern const sd_bus_error_map __stop_BUS_ERROR_MAP[] _hidden_;
+ 
+ /* Additional maps registered with sd_bus_error_add_map() are in this
+  * NULL terminated array */
+-- 
+2.16.2
+
diff --git a/meta/recipes-core/systemd/systemd_234.bb 
b/meta/recipes-core/systemd/systemd_234.bb
index d12e94f463..b15e5a41db 100644
--- a/meta/recipes-core/systemd/systemd_234.bb
+++ b/meta/recipes-core/systemd/systemd_234.bb
@@ -51,6 +51,7 @@ SRC_URI = "git://github.com/systemd/systemd.git;protocol=git \
            file://0001-meson-update-header-file-to-detect-memfd_create.patch \
            
file://0002-configure.ac-Check-if-memfd_create-is-already-define.patch \
            file://0003-fileio-include-sys-mman.h.patch \
+           
file://0001-Hide-__start_BUS_ERROR_MAP-and-__stop_BUS_ERROR_MAP.patch \
            "
 SRC_URI_append_qemuall = " 
file://0001-core-device.c-Change-the-default-device-timeout-to-2.patch"
 
-- 
2.16.2

-- 
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