The Intel C++ compiler »icpc« does not work after installing
dev-lang/icc-10.0.026.
In the ebuild only »icc« is patched in the "Fixing paths and tagging" part.
Running icpc results in this error:
/opt/intel/cce/10.0.026/bin/icpc: line 40: INSTALLDIR: No such file or
directory
The solution is simple: Just update the ebuild to also handle icpc...
The second problem is that icc-10.0.026 does not work out of the box with gcc
4.2.
This is the error I get:
icpc -O2 bench.cpp
/usr/lib/gcc/x86_64-pc-linux-gnu/4.2.1/include/g++-v4/ext/atomicity.h(51):
error: identifier "__sync_fetch_and_add" is undefined
{ return __sync_fetch_and_add(__mem, __val); }
The solution is to commend out the line:
#define _GLIBCXX_ATOMIC_BUILTINS 1
in
/usr/lib64/gcc/x86_64-pc-linux-gnu/4.2.1/include/g++-v4/x86_64-pc-linux-gnu/bits/c++config.h
.
Reproducible: Always
Steps to Reproduce:
1. run icpc
Actual Results:
opt/intel/cce/10.0.026/bin/icpc: line 40: INSTALLDIR: No such file or directory
Expected Results:
Compile the C++ program.
Hi,
Thanks for reporting. Just fixed the icpc issue in cvs.
Concerning compatibility with gcc-4.2, it is better to file another bug, and
probably toolchain will need to be CC'ed.
Also the solution proposed make use of gcc-4.2.1 which is not in the official
tree yet.
Sébastien
