Unclear error when pkg-config is not installed #24037

1. 
   laanwj commented at 3:17 pm on January 11, 2022: member

   While running autogen.sh on a newly intalled debian 11.2 system, I got the following error:

   0libtoolize: copying file 'build-aux/m4/lt~obsolete.m4'
   1configure.ac:16: error: possibly undefined macro: AC_MSG_ERROR
   2      If this token and others are legitimate, please use m4_pattern_allow.
   3      See the Autoconf documentation.
   4configure.ac:261: error: possibly undefined macro: AC_DEFINE
   5configure.ac:662: error: possibly undefined macro: AC_MSG_WARN
   6autoreconf: /usr/bin/autoconf failed with exit status: 1
   

   The problem turned out to be that the pkg-config package was missing (autoconf automake libtool were installed). I could not guess this from the error message. It might make sense to add an explicit check to give a more specific error.

2. laanwj added the label Linux/Unix on Jan 11, 2022
3. laanwj added the label Build system on Jan 11, 2022
4. 
   hebasto commented at 3:42 pm on January 12, 2022: member

   Fixed in #24048.
5. laanwj closed this on Jan 13, 2022

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6. sidhujag referenced this in commit d548ed3c83 on Jan 13, 2022
7. DrahtBot locked this on Jan 13, 2023

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