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binman: Add better Makefile debugging

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There is a debugging option in the Makefile to allow people to figure out
which u-boot.dtsi files are used in the build. But is it not easy to use
since it only shows files it finds, not those it is looking for. Update it
and update the mention of it to the docs.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2017-11-12 21:52:05 -07:00
parent 16fa2eb951
commit 511fd0b2bb
2 changed files with 16 additions and 5 deletions
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18
scripts/Makefile.lib
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@ -165,17 +165,27 @@ cpp_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(UBOOTINCLUDE) \
ld_flags = $(LDFLAGS) $(ldflags-y)
# Try these files in order to find the U-Boot-specific .dtsi include file
u_boot_dtsi_options = $(wildcard $(dir $<)$(basename $(notdir $<))-u-boot.dtsi) \
u_boot_dtsi_options = $(strip $(wildcard $(dir $<)$(basename $(notdir $<))-u-boot.dtsi) \
$(wildcard $(dir $<)$(subst $\",,$(CONFIG_SYS_SOC))-u-boot.dtsi) \
$(wildcard $(dir $<)$(subst $\",,$(CONFIG_SYS_CPU))-u-boot.dtsi) \
$(wildcard $(dir $<)$(subst $\",,$(CONFIG_SYS_VENDOR))-u-boot.dtsi) \
$(wildcard $(dir $<)u-boot.dtsi)
$(wildcard $(dir $<)u-boot.dtsi))
u_boot_dtsi_options_raw = $(warning Automatic .dtsi inclusion: options: \
$(dir $<)$(basename $(notdir $<))-u-boot.dtsi \
$(dir $<)$(subst $\",,$(CONFIG_SYS_SOC))-u-boot.dtsi \
$(dir $<)$(subst $\",,$(CONFIG_SYS_CPU))-u-boot.dtsi \
$(dir $<)$(subst $\",,$(CONFIG_SYS_VENDOR))-u-boot.dtsi \
$(dir $<)u-boot.dtsi ... \
found: $(if $(u_boot_dtsi_options),"$(u_boot_dtsi_options)",nothing!))
# Uncomment for debugging
# $(warning u_boot_dtsi_options: $(u_boot_dtsi_options))
# This shows all the files that were considered and the one that we chose.
# u_boot_dtsi_options_debug = $(u_boot_dtsi_options_raw)
# We use the first match
u_boot_dtsi = $(notdir $(firstword $(u_boot_dtsi_options)))
u_boot_dtsi = $(strip $(u_boot_dtsi_options_debug) \
$(notdir $(firstword $(u_boot_dtsi_options))))
# Modified for U-Boot
dtc_cpp_flags = -Wp,-MD,$(depfile).pre.tmp -nostdinc \

3
tools/binman/README
View File

@ -446,7 +446,8 @@ If you are having trouble figuring out what is going on, you can uncomment
the 'warning' line in scripts/Makefile.lib to see what it has found:
# Uncomment for debugging
# $(warning binman_dtsi_options: $(binman_dtsi_options))
# This shows all the files that were considered and the one that we chose.
# u_boot_dtsi_options_debug = $(u_boot_dtsi_options_raw)
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