build(bl1): deduplicate sources
Deduplicating sources prevents the build system from complaining about
multiply-compiled files, which can happen if multiple makefiles depend
on a component. This already occurs for BL31.
Signed-off-by: Chris Kay <chris.kay@arm.com>
Change-Id: I9b40402f6f04600061fba7d6ad5d222a71e7d4a7
diff --git a/Makefile b/Makefile
index ec6f885..a110964 100644
--- a/Makefile
+++ b/Makefile
@@ -1185,6 +1185,8 @@
# Expand build macros for the different images
ifeq (${NEED_BL1},yes)
+BL1_SOURCES := $(sort ${BL1_SOURCES})
+
$(eval $(call MAKE_BL,bl1))
endif