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[debug] Allow debug message colours to be customised via DBGCOL=...

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When multiple iPXE binaries are running concurrently (e.g. in the case
of undionly.kpxe using an underlying iPXE driver via the UNDI
interface) it would be helpful to be able to visually distinguish
debug messages from each binary.

Allow the range of debug colours used to be customised via the
DBGCOL=...  build parameter.  For example:

  # Restrict to colours 31-33 (red, green, yellow)
  make DBGCOL=31-33

  # Restrict to colours 34-36 (blue, magenta, cyan)
  make DBGCOL=34-36

Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2014-06-16 16:28:20 +01:00
parent 1639978f5a
commit 13a74e0d27
2 changed files with 39 additions and 3 deletions
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25
src/Makefile.housekeeping
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@@ -710,6 +710,31 @@ $(BIN)/version.o : ../.git/index
endif
endif
# Debug message autocolourisation range
#
DBGCOL_LIST := $(BIN)/.dbgcol.list
ifeq ($(wildcard $(DBGCOL_LIST)),)
DBGCOL_OLD := <invalid>
else
DBGCOL_OLD := $(shell cat $(DBGCOL_LIST))
endif
ifneq ($(DBGCOL_OLD),$(DBGCOL))
$(shell $(ECHO) "$(DBGCOL)" > $(DBGCOL_LIST))
endif
$(DBGCOL_LIST) : $(MAKEDEPS)
VERYCLEANUP += $(DBGCOL_LIST)
DBGCOL_COLOURS := $(subst -, ,$(DBGCOL))
DBGCOL_MIN := $(word 1,$(DBGCOL_COLOURS))
DBGCOL_MAX := $(word 2,$(DBGCOL_COLOURS))
debug_DEPS += $(DBGCOL_LIST)
CFLAGS_debug += $(if $(DBGCOL_MIN),-DDBGCOL_MIN=$(DBGCOL_MIN))
CFLAGS_debug += $(if $(DBGCOL_MAX),-DDBGCOL_MAX=$(DBGCOL_MAX))
# We automatically generate rules for any file mentioned in AUTO_SRCS
# using the following set of templates. We use $(eval ...) if
# available, otherwise we generate separate Makefile fragments and