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graphs: support generating png graphs

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PDF files can not be easily embedded in other documents (eg. ODT, or HTML).

Add support for generating PNG graphs, by setting the GRAPH_OUT=pdf|png on
the command line:
    make GRAPH_OUT=png graph-build graph-depends

The default is still to generate PDF graphs.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Yann E. MORIN
2013-12-28 18:39:13 +01:00
committed by Thomas Petazzoni
parent 0cfe3ab88c
commit f1fedbb246
4 changed files with 10 additions and 6 deletions
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9
Makefile
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@@ -121,6 +121,9 @@ else
$(shell echo BR2_EXTERNAL ?= $(BR2_EXTERNAL) > $(BR2_EXTERNAL_FILE))
endif
# Need that early, before we scan packages
# Avoids doing the $(or...) everytime
BR2_GRAPH_OUT := $(or $(GRAPH_OUT),pdf)
BUILD_DIR:=$(BASE_DIR)/build
STAMP_DIR:=$(BASE_DIR)/stamps
@@ -635,17 +638,17 @@ graph-build: $(O)/build/build-time.log
@install -d $(O)/graphs
$(foreach o,name build duration,./support/scripts/graph-build-time \
--type=histogram --order=$(o) --input=$(<) \
--output=$(O)/graphs/build.hist-$(o).pdf \
--output=$(O)/graphs/build.hist-$(o).$(BR2_GRAPH_OUT) \
$(if $(GRAPH_ALT),--alternate-colors)$(sep))
$(foreach t,packages steps,./support/scripts/graph-build-time \
--type=pie-$(t) --input=$(<) \
--output=$(O)/graphs/build.pie-$(t).pdf \
--output=$(O)/graphs/build.pie-$(t).$(BR2_GRAPH_OUT) \
$(if $(GRAPH_ALT),--alternate-colors)$(sep))
graph-depends:
@$(INSTALL) -d $(O)/graphs
@./support/scripts/graph-depends \
|dot -Tpdf -o $(O)/graphs/$(@).pdf
|dot -T$(BR2_GRAPH_OUT) -o $(O)/graphs/$(@).$(BR2_GRAPH_OUT)
else # ifeq ($(BR2_HAVE_DOT_CONFIG),y)