[Q] need help with error building 4.2 - Android Q&A, Help & Troubleshooting

Ok im building cm 10.1 for my phone which is unsupported it has the msm8660 common kernel and i fixed the ramdisk offset now i get this error and cant figure out where to add the path to fix it if that is what im supposed to do it builds great up to this point please help
target Dex: core-junit-hostdex
target Dex: apachehttp-hostdex
----- Making recovery image ------
error: no output filename specified
usage: mkbootimg
--kernel <filename>
--ramdisk <filename>
[ --second <2ndbootloader-filename> ]
[ --cmdline <kernel-commandline> ]
[ --board <boardname> ]
[ --base <address> ]
[ --pagesize <pagesize> ]
[ --ramdisk_offset <address> ]
-o|--output <filename>
make: *** [/home/ken/android/cm10_1/out/target/product/i577/recovery.img] Error 1
make: *** Waiting for unfinished jobs....
[email protected]:~/android/cm10_1$

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ktempleton said:
Ok im building cm 10.1 for my phone which is unsupported it has the msm8660 common kernel and i fixed the ramdisk offset now i get this error and cant figure out where to add the path to fix it if that is what im supposed to do it builds great up to this point please help
target Dex: core-junit-hostdex
target Dex: apachehttp-hostdex
----- Making recovery image ------
error: no output filename specified
usage: mkbootimg
--kernel <filename>
--ramdisk <filename>
[ --second <2ndbootloader-filename> ]
[ --cmdline <kernel-commandline> ]
[ --board <boardname> ]
[ --base <address> ]
[ --pagesize <pagesize> ]
[ --ramdisk_offset <address> ]
-o|--output <filename>
make: *** [/home/ken/android/cm10_1/out/target/product/i577/recovery.img] Error 1
make: *** Waiting for unfinished jobs....
[email protected]:~/android/cm10_1$
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the error show that no output file name is specified. To add the correct output you need to edit /build/core/tasks/kernel.mk
edit that kernel.mk file and look for (line 27) KERNEL_OUT := $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ
you need to change that. delete $(TARGET_OUT_INTERMEDIATES) and make it say what your absolute path to that folder is.
Example: KERNEL_OUT := /mnt/android/cm10.1/out/target/product/i577/obj/KERNEL_OBJ
Hope this helps...