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core: catch failures in graph-depends

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Currently, we generate the dependency graph in a single command, piping
the stdout of support/scripts/.graph-depends to the stdin of dot.

Unfortunately, this means we can't catch a failure of graph-depends, as
the shell can only treturn the exit code of the last command in a pipe.

Still, we do want to keep the output of graph-depends, and we in fact do
keep it by mean of a tee.

graph-depends has just gained the ability to generate its output to a
file, so we break the pipe in two differnet commands, so we can bail out
on graph-depends errors.

Do that for the two call sites.

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
2016-02-07 22:34:26 +01:00
committed by Thomas Petazzoni
parent a3f75bcc76
commit 5e7020ef64
2 changed files with 9 additions and 5 deletions
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6
Makefile
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@@ -721,8 +721,10 @@ graph-depends: graph-depends-requirements
@$(INSTALL) -d $(GRAPHS_DIR)
@cd "$(CONFIG_DIR)"; \
$(TOPDIR)/support/scripts/graph-depends $(BR2_GRAPH_DEPS_OPTS) \
|tee $(GRAPHS_DIR)/$(@).dot \
|dot $(BR2_GRAPH_DOT_OPTS) -T$(BR_GRAPH_OUT) -o $(GRAPHS_DIR)/$(@).$(BR_GRAPH_OUT)
-o $(GRAPHS_DIR)/$(@).dot
dot $(BR2_GRAPH_DOT_OPTS) -T$(BR_GRAPH_OUT) \
-o $(GRAPHS_DIR)/$(@).$(BR_GRAPH_OUT) \
$(GRAPHS_DIR)/$(@).dot
graph-size:
$(Q)mkdir -p $(GRAPHS_DIR)