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fix(romlib): prevent race condition on the build directory

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When building with many cores (-j64), there's a good chance that the
rule to make the build directory is getting executed at the same time as
the rule for romlib.ldflags. On my machine, the former is slower,
resulting in romlib_generator.py not being able to write the file as the
directory doesn't exist yet.

Add an explicit dependency on the build directory for the target.
This ensures that we have a build directory before we start putting
stuff in it.

Change-Id: I120b0dc66c692c759ab1046c735be405b41db87c
Signed-off-by: Boyan Karatotev <boyan.karatotev@arm.com>
This commit is contained in:
Boyan Karatotev 2024-10-30 09:56:27 +00:00
parent d684e7fbb3
commit 25cde5f810
1 changed files with 1 additions and 1 deletions
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2
lib/romlib/Makefile
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@ -83,7 +83,7 @@ $(BUILD_DIR)/jmptbl.s: $(BUILD_DIR)/jmptbl.i | $$(@D)/
$(s)echo " TBL $@"
$(q)$(ROMLIB_GEN) gentbl --output $@ --bti=$(ENABLE_BTI) $<
$(BUILD_DIR)/romlib.ldflags: ../../$(PLAT_DIR)/jmptbl.i
$(BUILD_DIR)/romlib.ldflags: ../../$(PLAT_DIR)/jmptbl.i | $$(@D)/
$(s)echo " LDFLAGS $@"
$(q)$(ROMLIB_GEN) link-flags $< > $@