Question about multiple *-*-binutils ports

[Stef]

Hello

I've install arm-elf-binutils, i386-mingw32-binutils and i386-elf-binutils
and each time I've encoutered an error about liberty.a being used.
The last time I was install i386-elf-binutils and the error was :

[...]
Error: Target org.macports.activate returned: Image error:
/opt/local/lib/x86_64/libiberty.a is being used by the active arm-elf-gcc
port.  Please deactivate this port first, or use 'port -f activate
i386-elf-binutils' to force the activation.
Error: The following dependencies failed to build: i386-elf-binutils
Error: Status 1 encountered during processing.
Before reporting a bug, first run the command again with the -d flag to get
complete output.

And the command give :

sudo port -f activate i386-elf-binutils
--->  Activating i386-elf-binutils
Warning: File /opt/local/lib/x86_64/libiberty.a already exists.  Moving to:
/opt/local/lib/x86_64/libiberty.a.mp_1267485696.

And I can verify that I've multiple liberty.a file :

-rw-r--r--  2 root  admin  278768 Mar  2 00:11
/opt/local/lib/x86_64/libiberty.a
-rw-r--r--  2 root  admin  278768 Nov  9 01:50
/opt/local/lib/x86_64/libiberty.a.mp_1267482747
-rw-r--r--  2 root  admin  270392 Mar  1 23:26
/opt/local/lib/x86_64/libiberty.a.mp_1267485696


Is it normal or is there something I'm doing the wrong way?
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