33 lines
755 B
C++
33 lines
755 B
C++
/* This code snippet was ripped out of the gcc
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* documentation and slightly modified to work
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* with gcc 4.x
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*/
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#ifndef SGI_HASHMAP_H
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#define SGI_HASHMAP_H
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/* To use gcc extensions.
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*/
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#ifdef __GNUC__
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#if __GNUC__ < 3
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#include <hash_map.h>
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namespace sgi { using ::hash_map; }; // inherit globals
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#else
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#if __GNUC__ < 4
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#include <ext/hash_map>
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#if __GNUC_MINOR__ == 0
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namespace sgi = std; // GCC 3.0
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#else
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namespace sgi = ::__gnu_cxx; // GCC 3.1 and later
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#endif
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#else // gcc 4.x and later
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#include <ext/hash_map>
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namespace sgi = ::__gnu_cxx;
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#endif
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#endif
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#else // ... there are other compilers, right?
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namespace sgi = std;
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#endif
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#endif /* SGI_HASHMAP_H */
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