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From "Martin Sebor (JIRA)" <j...@apache.org>
Subject [jira] Created: (STDCXX-936) [Sun C++] fails to #include standard headers more than once
Date Fri, 16 May 2008 00:12:55 GMT
[Sun C++] fails to #include standard headers more than once
-----------------------------------------------------------

                 Key: STDCXX-936
                 URL: https://issues.apache.org/jira/browse/STDCXX-936
             Project: C++ Standard Library
          Issue Type: Bug
          Components: External
         Environment: Sun C++ 5.9 SunOS_sparc Patch 124863-01 2007/07/25
            Reporter: Martin Sebor


The program below fails to compile with Sun C++. The compiler assumes {{<limits>}} refers
to its own header rather than the one provided by the user in the same directory as the program
source code, t.cpp.

{noformat}
$ cat -n limits && cat -n t.cpp && CC -c -I. -library=%none -V t.cpp
     1  // limits
     2  static int foo = 0;
     1  // t.cpp
     2  #include <limits>
     3  #define foo bar
     4  #include <limits>
     5  #undef foo
     6  
     7  int main ()
     8  {
     9      return foo + bar;
    10  }
CC: Sun C++ 5.9 SunOS_sparc Patch 124863-01 2007/07/25
ccfe: Sun C++ 5.9 SunOS_sparc Patch 124863-01 2007/07/25
"t.cpp", line 9: Error: bar is not defined.
1 Error(s) detected.
{noformat}

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