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[build] Run parserom.pl only on potential driver files 

PCI_ROM() and ISA_ROM() macros occur only within driver files.
Running parserom.pl on non-driver files is therefore redundant.

Skip running parserom.pl on any files outside a "drivers" directory.
This reduces the time taken to generate build rules and dependencies
after a "make veryclean" by around 12%.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown 2011-04-09 23:34:34 +01:00
parent 3726b3d94a
commit bd9ff16c21
1 changed files with 2 additions and 1 deletions
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3
src/Makefile.housekeeping
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@ -549,7 +549,8 @@ define rules_template
'\n$(TGT)_OBJS += $$(BIN)/$(3).$(TGT)\n' ) ) \
'\n$(BIN)/deps/$(1).d : $$($(3)_DEPS)\n' \
'\nTAGS : $$($(3)_DEPS)\n' > $(BIN)/rules/$(1).r
@$(PERL) $(PARSEROM) $(1) >> $(BIN)/rules/$(1).r
@$(if $(findstring drivers/,$(1)),\
$(PERL) $(PARSEROM) $(1) >> $(BIN)/rules/$(1).r)
endef
# Rule to generate the dependency list file