64-bit binary distribution can't be statically linked into a shared library
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Key: XERCESC-1956
URL: https://issues.apache.org/jira/browse/XERCESC-1956
Project: Xerces-C++
Issue Type: Bug
Components: Build
Affects Versions: 3.1.1
Environment: Linux x86_64
Reporter: Lee Doron
Fix For: 3.1.2
I'm creating a shared object library that uses Xerces-C++. I'd prefer to link
my code to the static library (libxerces-c.a). However, when I try to do that,
I get a link error: "relocation R_X86_64_32S against `a local symbol' can not
be used when making a shared object; recompile with -fPIC". (I've encountered
this on Linux so far, but this is actually cross-platform code that will also
run on Windows and Mac, so if there would be a similar problem on those
platforms, please consider this bug to include them.) It appears that it is
impossible to statically link a shared object against 64-bit code that is
position dependent, since the shared object must contain only
position-independent code. The static libraries can only be linked directly
into an executable.
To fix this, I suggest that you please compile the static libraries for 64-bit
Intel binary distributions such that they have position-independent code (the
-fPIC option on gcc, as mentioned in the error above). Then it will be possible
to link them either into an executable or into a shared object library. Thanks!
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