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The test code generated by older autoconf is not going to be work correctly with newer GCC releases due to the deprecation of implicit int and implicit function
by cesarb 3y ago
The test code generated by older autoconf is not going to be work correctly with newer GCC releases due to the deprecation of implicit int and implicit function declarations (see https://fedoraproject.org/wiki/Changes/PortingToModernC https://fedoraproject.org/wiki/Changes/PortingToModernC), so these projects already have to be updated to work with newer autoconf.
- badsectoracula 3y agoTyping `./configure` wont work but something like `./configure CFLAGS="-Wno-error=implicit-function-declaration"` (or whatever flag) might work (IIRC it is possible to pass flags to the compiler invocations used for checking out the existence of features) without needing to recreate it. Also chances are you can shove that flag in some old `configure.in` and have it work with an old autoconf for years before it having to update it :-P.