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kconfig: Add LSMOD=file to override the lsmod for localmodconfig

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Doing the following:

	make LSMOD=file localmodconfig

Will make the streamline-config code use the given file instead of
lsmod. If the file is an executable, it will execute it, otherwise
it will read it as text.

	make LSMOD=/my/local/path/lsmod localmodconfig

The above will execute the lsmod in /my/local/path instead of the
lsmods that may be located elsewhere.

	make LSMOD=embedded_board_lsmod localmodconfig

The above will read the "embedded_board_lsmod" as a text file. This
is useful if you are doing a cross compile and need to run the
config against modules that exist on an embedded device.

Note, if the LSMOD= file does is not a path, it will add the
path to the object directory. That is, the above example will look
for "embedded_board_lsmod" in the directory that the binary will
be built in (the O=dir directory).

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

 On branch config/linus
This commit is contained in:
Steven Rostedt 2010-02-02 21:51:27 -05:00 • committed by Steven Rostedt
parent 88f66ea98d
commit 615f0833aa
2 changed files with 38 additions and 13 deletions
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13
scripts/kconfig/Makefile
View file

@ -30,9 +30,18 @@ silentoldconfig: $(obj)/conf
$(Q)mkdir -p include/generated $(Q)mkdir -p include/generated
$< -s $(Kconfig) $< -s $(Kconfig)
# if no path is given, then use src directory to find file
ifdef LSMOD
LSMOD_F = $(shell if [ `basename $(LSMOD)` == $(LSMOD) ]; then \
echo $(objtree)/$(LSMOD); \
else \
echo $(LSMOD); \
fi)
endif
localmodconfig: $(obj)/streamline_config.pl $(obj)/conf localmodconfig: $(obj)/streamline_config.pl $(obj)/conf
$(Q)mkdir -p include/generated $(Q)mkdir -p include/generated
$(Q)perl $< $(srctree) $(Kconfig) > .tmp.config $(Q)perl $< $(srctree) $(Kconfig) $(LSMOD_F) > .tmp.config
$(Q)if [ -f .config ]; then \ $(Q)if [ -f .config ]; then \
cmp -s .tmp.config .config || \ cmp -s .tmp.config .config || \
(mv -f .config .config.old.1; \ (mv -f .config .config.old.1; \
@ -47,7 +56,7 @@ localmodconfig: $(obj)/streamline_config.pl $(obj)/conf
localyesconfig: $(obj)/streamline_config.pl $(obj)/conf localyesconfig: $(obj)/streamline_config.pl $(obj)/conf
$(Q)mkdir -p include/generated $(Q)mkdir -p include/generated
$(Q)perl $< $(srctree) $(Kconfig) > .tmp.config $(Q)perl $< $(srctree) $(Kconfig) $(LSMOD_F) > .tmp.config
$(Q)sed -i s/=m/=y/ .tmp.config $(Q)sed -i s/=m/=y/ .tmp.config
$(Q)if [ -f .config ]; then \ $(Q)if [ -f .config ]; then \
cmp -s .tmp.config .config || \ cmp -s .tmp.config .config || \

16
scripts/kconfig/streamline_config.pl
View file

@ -113,6 +113,7 @@ find_config;
# Get the build source and top level Kconfig file (passed in) # Get the build source and top level Kconfig file (passed in)
my $ksource = $ARGV[0]; my $ksource = $ARGV[0];
my $kconfig = $ARGV[1]; my $kconfig = $ARGV[1];
my $lsmod_file = $ARGV[2];
my @makefiles = `find $ksource -name Makefile`; my @makefiles = `find $ksource -name Makefile`;
my %depends; my %depends;
@ -263,6 +264,19 @@ foreach my $makefile (@makefiles) {
my %modules; my %modules;
if (defined($lsmod_file)) {
if ( ! -f $lsmod_file) {
die "$lsmod_file not found";
}
if ( -x $lsmod_file) {
# the file is executable, run it
open(LIN, "$lsmod_file|");
} else {
# Just read the contents
open(LIN, "$lsmod_file");
}
} else {
# see what modules are loaded on this system # see what modules are loaded on this system
my $lsmod; my $lsmod;
@ -278,6 +292,8 @@ if (!defined($lsmod)) {
} }
open(LIN,"$lsmod|") || die "Can not call lsmod with $lsmod"; open(LIN,"$lsmod|") || die "Can not call lsmod with $lsmod";
}
while (<LIN>) { while (<LIN>) {
next if (/^Module/); # Skip the first line. next if (/^Module/); # Skip the first line.
if (/^(\S+)/) { if (/^(\S+)/) {