Hello, a user is compiling a package on 64-bit and runs into problems: http://valelab.ucsf.edu/~nico/MMwiki/index.php/Compiling_MM_and_creating_deb_files_on_64-bit_Ubuntu
*** Warning: Linking the shared library libmmgr_dal_USBManager.la against the *** static library /usr/lib/libusb.a is not portable! libtool: link: g++ -shared -nostdlib /usr/lib/gcc/x86_64-linux-gnu/4.3.3/../../../../lib/crti.o /usr/lib/gcc/x86_64-linux-gnu/4.3.3/crtbeginS.o .libs/USBManager.o ../../MMDevice/.libs/libMMDevice.a /usr/lib/libusb.a -L/usr/lib/gcc/x86_64-linux-gnu/4.3.3 -L/usr/lib/gcc/x86_64-linux-gnu/4.3.3/../../../../lib -L/lib/../lib -L/usr/lib/../lib -L/usr/lib/gcc/x86_64-linux-gnu/4.3.3/../../.. -lstdc++ -lm -lc -lgcc_s /usr/lib/gcc/x86_64-linux-gnu/4.3.3/crtendS.o /usr/lib/gcc/x86_64-linux-gnu/4.3.3/../../../../lib/crtn.o -Wl,-soname -Wl,libmmgr_dal_USBManager.so.0 -o .libs/libmmgr_dal_USBManager.so.0.0.0 /usr/bin/ld: /usr/lib/libusb.a(usb.o): relocation R_X86_64_32 against `a local symbol' can not be used when making a shared object; recompile with -fPIC /usr/lib/libusb.a: could not read symbols: Bad value collect2: ld returned 1 exit status make[2]: *** [libmmgr_dal_USBManager.la] Error 1 make[2]: Leaving directory `/home/sanguine/research/umanager/micromanager1.3/DeviceAdapters/USBManager' make[1]: *** [all-recursive] Error 1 make[1]: Leaving directory `/home/sanguine/research/umanager/micromanager1.3/DeviceAdapters' make: *** [all-recursive] Error 1 this apparently works for me on 32bit (on debian) but the portability warning looks bad. what workaround do you suggest? it seems adding -fPIC on your end would solve it all but I'm no expert on dynamic linking. --please CC privately, I am not subscribed-- thanks, Johan
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