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vergoh avatar vergoh commented on July 23, 2024 1

Thanks for reporting also the problem in install-data-hook. The next commit should fix these issues.

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vergoh avatar vergoh commented on July 23, 2024 1

Looks like the documentation I followed regarding CHOST and CBUILD wasn't correct and I failed to check if those variables end up having any content. That's why the install-data-hook changes don't work.

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vergoh avatar vergoh commented on July 23, 2024

Those undefined reference to `rpl_malloc' and undefined reference to `rpl_realloc' errors appear to be caused by the AC_FUNC_MALLOC and AC_FUNC_REALLOC lines in configure.ac. I'm not even sure if those lines are really needed but I'll need to do some more digging first before removal just to make sure nothing else then breaks. Looking at the autoconf documentation, I suspect there are also few other unnecessary lines currently included.

There's two workarounds that I could find:

Option 1:

  1. export ac_cv_func_malloc_0_nonnull=yes
  2. export ac_cv_func_realloc_0_nonnull=yes
  3. continue with the configure command as you had done

Option 2:

  1. remove AC_FUNC_MALLOC and AC_FUNC_REALLOC lines from configure.ac
  2. run autoreconf -v
  3. continue with the configure command as you had done

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Ypnose avatar Ypnose commented on July 23, 2024

Hi,
Thank you for your complete answer! Before posting this issue, I saw similar errors on other projects. The "fixes" are very similar to you. I was able to build vnstat using both options you provided. 👍

I also needed to remove install-data-hook block from Makefile.in because the final cross binary cannot be run on the host. I wanted to inform you of this.

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Ypnose avatar Ypnose commented on July 23, 2024

I thank you for the very fast hard work! The malloc/realloc changes allows me to cross compile vnstat. Unfortunately, adding autoconf definitions CHOST and CBUILD does not seem to work. The install-data-hook target is still launched. I can tune the Makefile but here the output for debugging purpose: https://framagit.org/Ypnose/solyste/snippets/364/raw

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Ypnose avatar Ypnose commented on July 23, 2024

Kudos for the valuable help. It does the trick!

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