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* Allow options to be ignored if they don't exist by marking them with

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a "?".

svn path=/nixpkgs/branches/kernel-config/; revision=18931
This commit is contained in:
Eelco Dolstra 2009-12-14 09:27:15 +00:00
parent 71ed6194e1
commit 15c6ede144
3 changed files with 15 additions and 12 deletions
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4
pkgs/os-specific/linux/kernel/builder.sh
View File

@ -21,8 +21,8 @@ configurePhase() {
fi
# Patch kconfig to print "###" after every question -
# generate-config.pl expects this.
# Patch kconfig to print "###" after every question so that
# generate-config.pl can answer them.
sed -e '/fflush(stdout);/i\printf("###");' -i scripts/kconfig/conf.c
# Create the config file.

15
pkgs/os-specific/linux/kernel/generate-config.pl
View File

@ -18,12 +18,17 @@ $SIG{PIPE} = 'IGNORE';
# Read the answers.
my %answers;
my %requiredAnswers;
open ANSWERS, "<$ENV{KERNEL_CONFIG}" or die;
while (<ANSWERS>) {
chomp;
s/#.*//;
my ($name, $value) = split / /;
$answers{$name} = $value if $name;
if (/^\s*([A-Za-z0-9_]+)(\?)?\s+(\S+)\s*$/) {
$answers{$1} = $3;
$requiredAnswers{$1} = 1 unless defined $2;
} elsif (!/^\s*$/) {
die "invalid config line: $_";
}
}
close ANSWERS;
@ -123,8 +128,8 @@ while (<CONFIG>) {
close CONFIG;
foreach my $name (sort (keys %answers)) {
die "unused option: $name\n"
unless defined $config{$name};
die "option not set correctly: $name\n"
my $f = $requiredAnswers{$name} ? sub { die @_; } : sub { warn @_; };
&$f("unused option: $name\n") unless defined $config{$name};
&$f("option not set correctly: $name\n")
if $config{$name} && $config{$name} ne $answers{$name};
}

8
pkgs/os-specific/linux/kernel/linux-2.6.29.nix
View File

@ -47,7 +47,7 @@ import ./generic.nix (
# Disable some expensive (?) features.
MARKERS n
KPROBES n
NUMA n
NUMA? n
PM_TRACE_RTC n
# Enable various subsystems.
@ -78,9 +78,7 @@ import ./generic.nix (
# Wireless networking.
IPW2100_MONITOR y # support promiscuous mode
IPW2200_MONITOR y # support promiscuous mode
${stdenv.lib.optionalString (!userModeLinux) ''
IWLWIFI_LEDS y
''}
IWLWIFI_LEDS? y
IWLWIFI_RFKILL y
IWLAGN_SPECTRUM_MEASUREMENT y
IWLAGN_LEDS y
@ -192,7 +190,7 @@ import ./generic.nix (
BT_RFCOMM_TTY y # RFCOMM TTY support
CPU_FREQ_DEBUG n
CRASH_DUMP n
DMAR n # experimental
DMAR? n # experimental
DVB_DYNAMIC_MINORS y # we use udev
FUSION y # Fusion MPT device support
IDE_GD_ATAPI y # ATAPI floppy support