Hi Sir, Thanks for giving this solution. I used to waste lot of time building the entire stuff using make command.
I tried with your solution and it works and saves lot of time for us. On Wed, May 16, 2012 at 9:47 AM, Venkat Raghavulu < venkat.raghav...@asmaitha.com> wrote: > Hello All > > Just discovered something, wanted to share, might be that many out there > will be knowing this, for the unknowns sharing this: > > We do few source file change and then end up building the entire stuff > using "make" command. Mid way through the build we see that a single > annoying COMPILE ERROR and see its such a waste of time. > > So the ideal thing is to just compile and link only the changed file which > will be quick and rest assured FULL the build will succeed. So here's how > it is to be done: > > In my below example I am building the Sensor file which is in the path, > kernel/drivers/hwmon: > *The build command is:* make -C > ../out/target/product/snowball/obj/kernel/ SUBDIRS=drivers/hwmon ARCH=arm > CROSS_COMPILE=arm-eabi- > > *Replace the "drivers/hwmon" to your location where the file you modified > is present and it builds.* > > For eg: > venkatr@build1:~/snowball_board_branch_0.0.3/kernel$ vim > drivers/hwmon/lsm303dlh_m.c > venkatr@build1:~/snowball_board_branch_0.0.3/kernel$ make -C > ../out/target/product/snowball/obj/kernel/ SUBDIRS=drivers/hwmon ARCH=arm > CROSS_COMPILE=arm-eabi- > make: Entering directory > `/u/home01/venkatr/snowball_board_branch_0.0.3/out/target/product/snowball/obj/kernel' > make -C /u/home01/venkatr/snowball_board_branch_0.0.3/kernel > O=/u/home01/venkatr/snowball_board_branch_0.0.3/out/target/product/snowball/obj/kernel/. > > CC drivers/hwmon/lsm303dlh_m.o > LD drivers/hwmon/built-in.o > Building modules, stage 2. > MODPOST 0 modules > make: Leaving directory > `/u/home01/venkatr/snowball_board_branch_0.0.3/out/target/product/snowball/obj/kernel' > venkatr@build1:~/snowball_board_branch_0.0.3/kernel$ > > > BR, > Venkat. > > > _______________________________________________ > kernel mailing list > ker...@igloocommunity.org > http://igloocommunity.org/cgi-bin/mailman/listinfo/kernel > >
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