[PATCH 3/5] imd: provide dummy imd_command_setenv

[Lucas Stach <l.stach@pengutronix.de>]

If CONFIG_CMD_IMD is not set there is no imd_command_setenv in the
barebox binary that can be linked to. Although the whole imd infrastructure
will be removed by the linker later in the build process as soon as it
figures out that nothing inside barebox is using it, we still have to
provide a dummy function to keep the build going.

Fixes:
In function `imd_command': undefined reference to `imd_command_setenv'

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
---
 include/image-metadata.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/include/image-metadata.h b/include/image-metadata.h
index 34dae5ce3454..00aae6c98449 100644
--- a/include/image-metadata.h
+++ b/include/image-metadata.h
@@ -112,6 +112,13 @@ static inline void imd_used(const void *unused)
 #define IMD_USED(_name) \
 	imd_used(&__barebox_imd_##_name)
 
+#ifndef CONFIG_CMD_IMD
+int imd_command_setenv(const char *variable_name, const char *value)
+{
+	return -ENOSYS;
+}
+#endif
+
 #endif /* __BAREBOX__ */
 
 #endif /* __INCLUDE_IMAGE_METADTA_H */
-- 
2.1.3


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