configure: Fix zlib detection#76
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patrick-irc merged 1 commit intoircnet:masterfrom Mar 22, 2026
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The configure script failed to detect zlib. Even when the required libraries and development files are installed, the configure outputted the following: > checking for zlib package... no This issue occurs when using gcc-14, which treats some warnings as errors. Below is the relevant part of the config.log preceding this patch: > configure:5472: checking for zlib package > configure:5500: gcc -E conftest.c > configure:5500: $? = 0 > configure:5537: gcc -o conftest -g -O2 conftest.c -lz -lcrypt >&5 > conftest.c: In function 'main': > conftest.c:90:1: error: implicit declaration of function 'inflate' [-Wimplicit-function-declaration] > 90 | inflate() > | ^~~~~~~ > configure:5537: $? = 1
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Works on Debian 12 and 13. Thanks for your contribution. Btw. before, I was using this workaround: |
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The configure script failed to detect zlib. Even when the required libraries and development files are installed, the configure outputted the following:
This issue occurs when using gcc-14, which treats some warnings as errors. Below is the relevant part of the config.log preceding this patch:
We probably should modernize the complete autoconf setup. If I try to execute autoconf to regenerate the configure script, I get various warnings about obsolete macros.