On Tue, 12 Jun 2007, Tom Verhoeff wrote:
> I am trying to use the GNU Multi-Precision (GMP) library with > FreePascal under Linux. > > I have a Pascal interface for GMP (originally for Kylix; translated > from C header file). > > The header file libgmp.pas and my using program testgmp.pas compile fine. > > But linking fails. The message is > > /usr/bin/ld: skipping incompatible /usr/lib/crti.o when searching for > /usr/lib/crti.o > /usr/bin/ld: cannot find /usr/lib/crti.o > > This might be caused by the fact that I use a 64-bit machine with > a 32-bit version of FPC. > > For that reason, I added the command-line option: > > -Fl/usr/lib/gcc/x86_64-pc-linux-gnu/4.1.1/32 > > Without this option, I get the message > > /usr/bin/ld: skipping incompatible > /usr/lib/gcc/x86_64-pc-linux-gnu/4.1.1/crtbegin.o when searching for > /usr/lib/gcc/x86_64-pc-linux-gnu/4.1.1/crtbegin.o > /usr/bin/ld: cannot find /usr/lib/gcc/x86_64-pc-linux-gnu/4.1.1/crtbegin.o > > With the option, it does find the appropriate crtbegin.o. > > Therefore, I also added the command-line option > > -Fl/usr/lib32 > > But this does not help, since /usr/lib is searched first and there if > finds the incompatible (64-bit?) version of crti.o, and fails. > > How can I force the linker to look in /usr/lib32 before /usr/lib ? > > When inspecting link.res, it starts out > > SEARCH_DIR(/lib/) > SEARCH_DIR(/usr/lib/) > SEARCH_DIR(/usr/X11R6/lib/) > SEARCH_DIR(/usr/lib32/) > SEARCH_DIR(/usr/lib/gcc/x86_64-pc-linux-gnu/4.1.1/32/) > SEARCH_DIR(/usr/lib/gcc/x86_64-pc-linux-gnu/4.1.1/) > > Apparently, the first three are forced 'out of nowhere', then there are > the two options from the command line, and then the one from /etc/fpc.cfg, > followed by a long list of directories named /usr/lib/fpc/* . > > Where do the first three come from? Can those be (re)moved? The compiler adds them by default, see systems/t_linux.pas. You can't remove them except by editing link.res (or changing the compiler). Michael. _______________________________________________ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-pascal
