During parallel build, the top Makefile spawns multiple sub-makes
for targets in cpu/$(CPU). If cpu/$(CPU)/.depend is not present, the
sub-makes may end up generating this file simultaneously which leads
to corrupted content.
A typical error message is:
.depend:39: *** multiple target patterns. Stop.
This patch serializes the creation of cpu/$(CPU)/.depend by adding
cpu/$(CPU) to the depend target in the top Makefile.
Signed-off-by: Daniel Hobi <daniel.h...@schmid-telecom.ch>
---
Makefile | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/Makefile b/Makefile
index 19b5ac0..2fd22c7 100644
--- a/Makefile
+++ b/Makefile
@@ -400,7 +400,7 @@ env:
$(MAKE) -C tools/env all MTD_VERSION=${MTD_VERSION} || exit 1
depend dep: $(TIMESTAMP_FILE) $(VERSION_FILE) $(obj)include/autoconf.mk
- for dir in $(SUBDIRS) ; do $(MAKE) -C $$dir _depend ; done
+ for dir in $(SUBDIRS) cpu/$(CPU); do $(MAKE) -C $$dir _depend ;
done
TAG_SUBDIRS += include
TAG_SUBDIRS += lib_generic board/$(BOARDDIR)
--
1.6.5.4
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