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No libstdc++ for nvptx.

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The C++ front end insists to link against libstdc++ -- which we don't build:

    $ < build-gcc/gcc/testsuite/g++/g++.log grep -o 'error opening [^[:cntrl:]]*' | sort | uniq -c
          2 error opening libasan.a
          2 error opening libssp.a
      12075 error opening libstdc++.a

Based on GCC trunk r220892:

                    === g++ Summary ===

    # of expected passes            [-63221-]{+68841+}
    # of unexpected failures        [-11751-]{+8764+}
    # of unexpected successes       6
    # of expected failures          [-246-]{+249+}
    # of unresolved testcases       [-5950-]{+3353+}
    # of unsupported tests          [-4160-]{+4143+}

	gcc/
	* config/nvptx/nvptx.h (LIBSTDCXX): Define to "gcc".

From-SVN: r221362
This commit is contained in:
Thomas Schwinge 2015-03-11 22:42:50 +01:00 committed by Thomas Schwinge
parent 6234b5433f
commit d94fae044d
2 changed files with 8 additions and 0 deletions
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4
gcc/ChangeLog
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@ -1,3 +1,7 @@
2015-03-11 Thomas Schwinge <thomas@codesourcery.com>
* config/nvptx/nvptx.h (LIBSTDCXX): Define to "gcc".
2015-03-11 Marek Polacek <polacek@redhat.com>
PR tree-optimization/65388

4
gcc/config/nvptx/nvptx.h
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@ -366,4 +366,8 @@ struct GTY(()) machine_function
#define FUNCTION_MODE QImode
#define HAS_INIT_SECTION 1
/* The C++ front end insists to link against libstdc++ -- which we don't build.
Tell it to instead link against the innocuous libgcc. */
#define LIBSTDCXX "gcc"
#endif /* GCC_NVPTX_H */