Hi All,
As per the Group suggestions I have fixed the BUILD_NUMBER,
DATE, TIME etc. Despite doing all those things it is differing. my Expt is
like this
1. make clean and build get system.img -> rename to system-1.img
2. make clean and build get system.img -> rename to system-2.img
What I was assuming that until and unless I actually modify source
code and build, checksum of system-1.img and system-2.img would remain
same. But that was not the Correct assumptions. every build checksum
changes. So as per the group suggestions I have fixed all flags
BUILD_NUMBER, DATE, TIME etc to some constant numbers and build and then
compared but still there is difference. So what i have further debugged
mounted these system-1.img and system-2.img as disks and compared the
contents folders one by one apps, bin, users xbin folders no difference,
*but lot of differences in frameworks folder especially *.jar, *.odex
files are differing there was difference in etc folder dhcpd-hooks and all
few diff in libs folder *sha1.so etc. *So My doubt is why
framework contents keeps changing for every clean build? is it JIT compiler
doing such changes. kindly help me in understanding the concept.
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