[fpc-devel] Cross-compiling and warnings from linker
jonas at freepascal.org
Fri Nov 12 15:11:55 CET 2021
On 2021-11-12 10:20, Pierre Muller via fpc-devel wrote:
> Le 10/11/2021 à 21:19, Sergey Organov via fpc-devel a écrit :
>> Using cross-compiler from x86-linux to arm-linux, I keep getting a lot
>> of warnings at the linking stage of my programs, in the form:
>> /opt/[...]/arm-linux-gnueabihf-ld: warning: library search path
>> "/usr/lib/eject/" is unsafe for cross-compilation
>> /opt/[...]/arm-linux-gnueabihf-ld: warning: warning: library search
>> path "/usr/lib/console-setup/" is unsafe for cross-compilation
>> for virtually every sub-directory in /usr/lib. FPC 3.2.0 and 3.2.2
>> have this issue.
>> This makes me suspect FPC cross produces instructions for the linker
>> search for files in wrong directories, where host libraries reside,
>> could lead to unpredictable results, and then tons of the warnings are
>> really annoying.
>> What's the way to fix this?
> Try to use -Xd compiler option
> ~/bin$ fpc -h | grep -- -Xd
> -Xd Do not search default library path (sometimes
> required for cross-compiling when not using -XR)
Or better: use -XR/path/to/cross-root. -Xd is a hack that predates the
introduction of -XR.
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