[erlang-patches] Fix DTrace build on Illumos

[Henrik Nord]

Thank you for your contribution !

patch has been assigned to be reviewed


On 2013-12-07 22:00, Ryan Zezeski wrote:
> https://github.com/erlang/otp/pull/156
>
> This patch fixes the configure and Makefile scripts to work with newer 
> DTrace. This applies to all Illumos derivatives including OpenIndiana, 
> SmartOS and OmnioOS. I've copied the commit message here verbatim.
>
> --- SNIP ---
>
>     Fix DTrace build on Illumos
>
>     DTrace was recently patched in Illumos to fail to create an object
>     file if no probes are found.
>
>     * https://www.illumos.org/issues/4248
>     * 
> https://github.com/illumos/illumos-gate/commit/54a20ab41aadcb81c53e72fc65886e964e9add59
>
>     This patch fixes two issues:
>
>     * Modify the configure script to pass an object file to `dtrace -G`
>       that actually invokes a probe.
>
>     * Remove creation of `dtrace_user.o` from the dyntrace Makefile. In a
>       previous commit [1] Scott Fritchie relocated all the user probes
>       into the VM proper due to difficulties with DTrace probes in shared
>       libraries. The `dtrace_user.d` file is now empty and generates a
>       header file with nothing in it. There is no longer any reason to
>       generate `dtrace_user.o` because all the probes are in the VM. Thus
>       all the steps for building `dtrace_user.o` have been removed.
>
>     [1]: 
> https://github.com/erlang/otp/commit/75552bd3bb4e7f3cf4dab81a5c81cf73b1d3fb99
>
> --- END SNIP ---
>
> -Z
>
>
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-- 
/Henrik Nord Erlang/OTP

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