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[Q] inclusion order problems
- To: gcc at gcc dot gnu dot org, gcc-bugs at gcc dot gnu dot org
- Subject: [Q] inclusion order problems
- From: Miljenko Cvjetko <m dot cvjetko_njet_spam at rt dot e-technik dot uni-erlangen dot de>
- Date: Fri, 12 May 2000 11:01:38 +0200
- Organization: gcl++ Library Development
- Reply-To: m dot cvjetko_njet_spam at rt dot e-technik dot uni-erlangen dot de
/*
Hi!
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comp.lang.c++
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[Q] inclusion order problems
I guess that inclusion order shouldn't play role in generating
compiler
errors and warrnings.
Thanx a lot
miljenko
Here's an example:
inclusion of <iostream> after definition of function template.
*/
//# include <iostream>
template <class Type>
Type
operator+
(
const Type& lhs
,const Type& rhs
)
{
return Type(lhs) += rhs;
};
# include <iostream>
int main()
{
return 0;
}
/*
gcl@robby:~/gcl/src/example/Test/syntax_standard_conformance > g++ -v
global_operator_before_iostream_bug.cpp
Reading specs from /usr/lib/gcc-lib/i686-pc-linux-gnu/2.95.2/specs
gcc version 2.95.2 19991024 (release)
/usr/lib/gcc-lib/i686-pc-linux-gnu/2.95.2/cpp -lang-c++ -v -D__GNUC__=2
-D__GNUG__=2 -D__GNUC_MINOR__=95 -D__cplusplus -D__ELF__ -Dunix
-D__i386__ -Dlinux -D__ELF__ -D__unix__ -D__i386__ -D__linux__ -D__unix
-D__linux -Asystem(posix) -D__EXCEPTIONS -Acpu(i386) -Amachine(i386)
-Di386 -D__i386 -D__i386__ -Di686 -Dpentiumpro -D__i686 -D__i686__
-D__pentiumpro -D__pentiumpro__ global_operator_before_iostream_bug.cpp
/tmp/ccyNKxDc.ii
GNU CPP version 2.95.2 19991024 (release) (i386 Linux/ELF)
#include "..." search starts here:
#include <...> search starts here:
/usr/lib/gcc-lib/i686-pc-linux-gnu/2.95.2/../../../../include/g++-3
/usr/local/include
/usr/lib/gcc-lib/i686-pc-linux-gnu/2.95.2/../../../../i686-pc-linux-gnu/include
/usr/lib/gcc-lib/i686-pc-linux-gnu/2.95.2/include
/usr/include
End of search list.
The following default directories have been omitted from the search
path:
End of omitted list.
/usr/lib/gcc-lib/i686-pc-linux-gnu/2.95.2/cc1plus /tmp/ccyNKxDc.ii
-quiet -dumpbase global_operator_before_iostream_bug.cc -version -o
/tmp/cci2qfDr.s
GNU C++ version 2.95.2 19991024 (release) (i686-pc-linux-gnu) compiled
by GNU C version 2.95.2 19991024 (release).
In file included from
/usr/lib/gcc-lib/i686-pc-linux-gnu/2.95.2/../../../../include/g++-3/iostream.h:31,
from
/usr/lib/gcc-lib/i686-pc-linux-gnu/2.95.2/../../../../include/g++-3/iostream:6,
from global_operator_before_iostream_bug.cpp:31:
/usr/lib/gcc-lib/i686-pc-linux-gnu/2.95.2/../../../../include/g++-3/streambuf.h:164:
enumerator value for `basefield' not integer constant
/usr/lib/gcc-lib/i686-pc-linux-gnu/2.95.2/../../../../include/g++-3/streambuf.h:165:
enumerator value for `floatfield' not integer constant
/usr/lib/gcc-lib/i686-pc-linux-gnu/2.95.2/../../../../include/g++-3/streambuf.h:167:
enumerator value for `adjustfield' not integer constant
global_operator_before_iostream_bug.cpp: In function `enum
ios::{anonymous} operator +<ios::{anonymous enum}>(const ios::{anonymous
enum} &, const ios::{anonymous enum} &)':
/usr/lib/gcc-lib/i686-pc-linux-gnu/2.95.2/../../../../include/g++-3/streambuf.h:164:
instantiated from here
global_operator_before_iostream_bug.cpp:28: assignment of read-only
reference `lhs'
*/