Branch: refs/heads/master
Home: https://github.com/tianocore/edk2
Commit: 7d4b9f5cb1ac68a1e680921ded77d67d5caf678f
https://github.com/tianocore/edk2/commit/7d4b9f5cb1ac68a1e680921ded77d67d5caf678f
Author: Jean-Philippe Brucker <[email protected]>
Date: 2025-06-25 (Wed, 25 Jun 2025)
Changed paths:
M BaseTools/Conf/build_rule.template
Log Message:
-----------
BaseTools: Declare $(DEBUG_DIR)/<module>.efi output
$(DEBUG_DIR)/<M>.efi is generated by the recipe of
$(OUTPUT_DIR)/<M>.efi: the .efi file is generated and then copied into
$(DEBUG_DIR). At the moment the generate GNUmakefile does not declare
the dependency between these two files, which can be a problem because
$(FFS_OUTPUT_DIR)/<M>.offset depends on $(DEBUG_DIR)/<M>.efi.
Normally $(DEBUG_DIR)/<M>.efi is generated first and there is no
problem, but when an external tool builds edk2 from a Makefile, like
OP-TEE build does for instance, the parallel '-j' flag passed to Make is
inherited by the edk2 GNUmakefile from the environment. As a result Make
might try to build the $(FFS_OUTPUT_DIR)/<M>.offset target in parallel
and fail to find the .efi file:
make[1]: *** No rule to make target
'Build/ArmVirtQemu-AARCH64/DEBUG_GCC5/AARCH64/NetworkPkg/VlanConfigDxe/VlanConfigDxe/DEBUG/VlanConfigDxe.efi',
needed by
'Build/ArmVirtQemu-AARCH64/DEBUG_GCC5/FV/Ffs/E4F61863-FE2C-4b56-A8F4-08519BC439DFVlanConfigDxe/VlanConfigDxe.offset'.
Stop.
If we declare the $(DEBUG_DIR) file as output of this rule, then the
generated GNUmakefile will contain the right dependency declaration:
$(DEBUG_DIR)/VlanConfigDxe.efi: $(OUTPUT_DIR)/VlanConfigDxe.efi
and the parallel build will succeed.
Signed-off-by: Jean-Philippe Brucker <[email protected]>
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