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util/sconfig: Avoid duplicate symbols in link step

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Recent linkers became more picky about unifying identical symbols, so
avoid struct *device head to appear several times by marking it
"extern".

Follows a change in commit 79e8412665, but without carrying all the
other refactorings done there.

Change-Id: Icede0936cc99f1c183c09812bffc3cc9a3993efa
Signed-off-by: Patrick Georgi <patrick@georgi.software>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/58534
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
This commit is contained in:
Patrick Georgi 2021-10-22 07:46:14 +02:00 • committed by Patrick Georgi
commit f02ed614d2
1 changed files with 1 additions and 1 deletions
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util/sconfig/sconfig.h
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@ -77,7 +77,7 @@ struct device {
struct reg *reg;
};
struct device *head;
extern struct device *head;
struct header;
struct header {