Re: [PATCH kmod v5 5/5] libkmod, depmod, modprobe: Make directory for kernel modules configurable

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On Tuesday 2023-10-17 19:50, Lucas De Marchi wrote:
>> +AC_ARG_WITH([module_directory],
>> +        AS_HELP_STRING([--with-module-directory=DIR], [directory in which to
>> look for kernel modules - typically '/lib/modules' or
>> '${prefix}/lib/modules']),
>> +        [], [with_module_directory=/lib/modules])
>> +AC_SUBST([module_directory], [$with_module_directory])
>
> we will probably have "fun" results if we accept a relative path here.

$ ./configure --prefix=/usr --bindir=../bin
configure: error: expected an absolute directory name for --bindir: ../bin

While such check does not exist for --with-module-directory, everyone
has likely been well-trained not to use relative paths. Even if, say,
cmake/meson *could* do it, it just would have never occurred to me to
actually *utilize* it, because it is just too ambiguous and
potentially dangerous.

Just think of all the fun you could have with LD_LIBRARY_PATH=".."





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