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sdk: Fix keeping unset as unset

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The configuration preservation mechanism fails to keep items was are unset
as unset.  For busybox this causes issues when building with custom
settings in the SDK.  Therefore preserve busybox unset settings.
In addition we preserve non-package selection unset settings because
they may be important for making sure we compile and identical
package for packages that are recompiled in the SDK.

Now that SDK not longer ships .config this becomes relevant for
any use of the SDK.

Signed-off-by: Daniel Dickinson <lede@daniel.thecshore.com>
This commit is contained in:
Daniel Dickinson 2016-05-10 18:26:42 -04:00 committed by Jo-Philipp Wich
parent 5d60bedcb3
commit 9da1bf58b6
1 changed files with 40 additions and 15 deletions
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33
target/sdk/convert-config.pl
View file

@ -2,13 +2,16 @@
use strict;
while (<>) {
my $match;
my $var;
my $val;
my $type;
chomp;
next if /^CONFIG_SIGNED_PACKAGES/;
next unless /^CONFIG_([^=]+)=(.*)$/;
my $var = $1;
my $val = $2;
my $type;
if (/^CONFIG_([^=]+)=(.*)$/) {
$var = $1;
$val = $2;
next if $var eq 'ALL';
@ -24,11 +27,33 @@ while (<>) {
warn "WARNING: no type found for symbol CONFIG_$var=$val\n";
next;
}
} elsif (/^# CONFIG_BUSYBOX_(.*) is not set/) {
$var = "BUSYBOX_$1";
$val = 'n';
$type = "bool";
} else {
# We don't want to preserve a record of deselecting
# packages because we may want build them in the SDK.
# non-package configs however may be important to preserve
# the same compilation settings for packages that get
# recompiled in the SDK.
# Also we want avoid preserving image generation settings
# because we set those while in ImageBuilder
next if /^(# )?CONFIG_PACKAGE/;
next if /^(# )?CONFIG_TARGET/;
if (/^# CONFIG_(.*) is not set/) {
$var = $1;
$val = 'n';
$type = "bool";
}
}
if (($var ne '') && ($type ne '') && ($val ne '')) {
print <<EOF;
config $var
$type
default $val
EOF
}
}