On Wednesday, April 27, 2011 22:49:11 Adam Nielsen wrote: > I'm trying to cross-compile a library under Linux to produce a Win32 .dll. > It needs to link in with static Boost libraries (which were also cross > compiled on the same machine) but libtool seems to refuse to do this: > > *** Warning: Trying to link with static lib archive > /usr/i486-mingw32/lib/libboost_filesystem-mt-s.a. > *** I have the capability to make that library automatically link in when > *** you link to this library. But I can only do this if you have a > *** shared version of the library, which you do not appear to have > *** because the file extensions .a of this argument makes me believe > *** that it is just a static archive that I should not use here. > > This is the libtool command in question - but as it is all handled by > autoconf I'm not sure what I'm doing wrong! > > /bin/sh ../libtool --tag=CXX --mode=link i486-mingw32-g++ -g -O2 > -release 0.1 -version-info 0 -no-undefined -o libblah.la -rpath > /usr/i486-mingw32/local/lib blah1.lo blah2.lo > /usr/i486-mingw32/lib/libboost_system-mt-s.a > /usr/i486-mingw32/lib/libboost_filesystem-mt-s.a > /usr/i486-mingw32/lib/libboost_system-mt-s.a -L/usr/i486-mingw32/local/lib > -lblah3 > > I get a second error the same as the first for the other .a file. The two > libraries are definitely not being linked, because the next step in the > process results in: > > .libs/blah.o: In function `__static_initialization_and_destruction_0': > /usr/lib/gcc/i486-mingw32/4.5.2/../../../../i486-mingw32/include/boost/syst > em/error_code.hpp:214: undefined reference to > `boost::system::generic_category()' > /usr/lib/gcc/i486-mingw32/4.5.2/../../../../i486-mingw32/include/boost/syst > em/error_code.hpp:215: undefined reference to > `boost::system::generic_category()' > /usr/lib/gcc/i486-mingw32/4.5.2/../../../../i486-mingw32/include/boost/syst > em/error_code.hpp:216: undefined reference to > `boost::system::system_category()' > collect2: ld returned 1 exit status
when statically linking, order is significant -mike
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