In the Open64 driver, there is code to add a linker '-rpath' option
for libraries that are included with the compiler (see
postprocess_ld_args() in the driver). The intended effect of this
code is that programs compiled by Open64 can be run without setting
LD_LIBRARY_PATH as long as the compiler installation directory still
exists. The embedded RPATH in the executable acts as a default
location to find the shared objects.
We ran into a small problem: for shared objects that are part of the
compiler build, the RPATH is also set. This could cause the runtime
linker to look in the compiler build directory for an
indirectly-included shared object (e.g. libacml_mv.so is included by
libmv.so). If the build directory no longer existed, the library
would not be found.
One way to fix the problem is just to skip the code that adds '-rpath'
when we are building the compiler's libraries. I include a patch
below that does that.
Can a gatekeeper review the patch? Thanks,
-David Coakley / AMD Open Source Compiler Engineering
===================================================================
--- osprey/driver/phases.c (revision 3379)
+++ osprey/driver/phases.c (working copy)
@@ -2315,6 +2315,13 @@
}
/*
+ * When building the compiler's libraries, do not append any rpath
+ * options since these would reference the build directory.
+ */
+ if (run_build)
+ return;
+
+ /*
* For some reason, our cross linker won't find libraries in some
* directories unless it's told about them with -rpath-link.
* Here, we scan all -L flags and pass them as -rpath-link flags,
------------------------------------------------------------------------------
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