| 20 | |
| 21 | == Troubleshooting == |
| 22 | |
| 23 | If may encounter following error during linking, especially when building GDAL on Mac OS X: |
| 24 | |
| 25 | {{{ |
| 26 | ld: common symbols not allowed with MH_DYLIB output format with the -multi_module option |
| 27 | /usr/local/lib/libjasper.a(jpc_t1cod.o) definition of common _jpc_magctxnolut (size 16384) |
| 28 | /usr/local/lib/libjasper.a(jpc_t1cod.o) definition of common _jpc_mqctxs (size 160) |
| 29 | /usr/local/lib/libjasper.a(jpc_t1cod.o) definition of common _jpc_refnmsedec (size 512) |
| 30 | /usr/local/lib/libjasper.a(jpc_t1cod.o) definition of common _jpc_refnmsedec0 (size 512) |
| 31 | /usr/local/lib/libjasper.a(jpc_t1cod.o) definition of common _jpc_scctxnolut (size 1024) |
| 32 | /usr/local/lib/libjasper.a(jpc_t1cod.o) definition of common _jpc_signmsedec (size 512) |
| 33 | /usr/local/lib/libjasper.a(jpc_t1cod.o) definition of common _jpc_signmsedec0 (size 512) |
| 34 | /usr/local/lib/libjasper.a(jpc_t1cod.o) definition of common _jpc_spblut (size 1024) |
| 35 | /usr/local/lib/libjasper.a(jpc_t1cod.o) definition of common _jpc_zcctxnolut (size 4096) |
| 36 | /usr/bin/libtool: internal link edit command failed |
| 37 | make[1]: *** [/Users/mloskot/dev/gdal/_svn/trunk/gdal/libgdal.dylib] Error 1 |
| 38 | make: *** [check-lib] Error 2 |
| 39 | }}} |
| 40 | |
| 41 | In order to fix it, it's required to rebuild JasPer with additional compilation option: |
| 42 | {{{ |
| 43 | $ export CFLAGS="-fno-common" |
| 44 | $ export CXXFLAGS=$CFLAGS |
| 45 | $ ./configure |
| 46 | make clean |
| 47 | make |
| 48 | make install |
| 49 | }}} |
| 50 | |
| 51 | After new build of JasPer is installed, GDAL should compile and link with success. |