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Makefile: fix config-devices.mak generation

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The logic of detecting changes in default-configs/*.mak is
flawed as can be demonstrated by 'touch default-configs/*.mak'
followed by make. This results in a message claiming that user
made changes to the */config-devices.mak files.

Fix by separating the detection of changes made by the user and
changes in the default-configs.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Blue Swirl 2010-10-02 14:28:08 +00:00
parent 3f7132d1a3
commit 904fe1fbd1
1 changed files with 5 additions and 3 deletions
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8
Makefile
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@ -43,9 +43,11 @@ config-all-devices.mak: $(SUBDIR_DEVICES_MAK)
%/config-devices.mak: default-configs/%.mak
$(call quiet-command,cat $< > $@.tmp, " GEN $@")
@if test -f $@; then \
if cmp -s $@.old $@ || cmp -s $@ $@.tmp; then \
mv $@.tmp $@; \
cp -p $@ $@.old; \
if cmp -s $@.old $@; then \
if ! cmp -s $@ $@.tmp; then \
mv $@.tmp $@; \
cp -p $@ $@.old; \
fi; \
else \
if test -f $@.old; then \
echo "WARNING: $@ (user modified) out of date.";\