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Public bug reported:

Hi, my os is lubuntu 13.04 x86_64
recently i need to use dkms to rebuild a module, so i do :  
dkms build -m (module name) -v (version)
but it say it can't find linux-headers of my kernel version, i felt strange because it has already put in /usr/src
so i give the "--kernelsourcedir" option : 
dkms build -m (module name) -v (version) --kernelsourcedir (/usr/src/my-kernel-headers)
but it still didn't work!!
i've tried : 
dkms build -m (module name) -v (version) --kernelsourcedir (/usr/src/)
and
dkms build -m (module name) -v (version) --kernelsourcedir=(/usr/src/my-kernel-headers)
also
dkms build -m (module name) -v (version) --kernelsourcedir=(/usr/src/)
but the error message still said that it can't find the headers

although in the last i found that the problem is that in my /lib/modules/(kernel-version)/
the "build" symlink was broken, and /lib/modules/(kernel-version)/ is the default path of dkms

But why the --kernelsourcedir didn't work?

** Affects: dkms (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1207263

Title:
  dkms "--kernelsourcedir" option not work

Status in “dkms” package in Ubuntu:
  New

Bug description:
  Hi, my os is lubuntu 13.04 x86_64
  recently i need to use dkms to rebuild a module, so i do :  
  dkms build -m (module name) -v (version)
  but it say it can't find linux-headers of my kernel version, i felt strange because it has already put in /usr/src
  so i give the "--kernelsourcedir" option : 
  dkms build -m (module name) -v (version) --kernelsourcedir (/usr/src/my-kernel-headers)
  but it still didn't work!!
  i've tried : 
  dkms build -m (module name) -v (version) --kernelsourcedir (/usr/src/)
  and
  dkms build -m (module name) -v (version) --kernelsourcedir=(/usr/src/my-kernel-headers)
  also
  dkms build -m (module name) -v (version) --kernelsourcedir=(/usr/src/)
  but the error message still said that it can't find the headers

  although in the last i found that the problem is that in my /lib/modules/(kernel-version)/
  the "build" symlink was broken, and /lib/modules/(kernel-version)/ is the default path of dkms

  But why the --kernelsourcedir didn't work?

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