1. bash-2.05b$ gcc -v Reading specs from /usr/lib/gcc/i486-pc-linux-gnu/3.4.3/specs Configured with: /var/tmp/portage/gcc-3.4.3-r1/work/gcc-3.4.3/configure --enable-version-specific-runtime-libs --prefix=/usr --bindir=/usr/i486-pc-linux-gnu/gcc-bin/3.4.3 --includedir=/usr/lib/gcc/i486-pc-linux-gnu/3.4.3/include --datadir=/usr/share/gcc-data/i486-pc-linux-gnu/3.4.3 --mandir=/usr/share/gcc-data/i486-pc-linux-gnu/3.4.3/man --infodir=/usr/share/gcc-data/i486-pc-linux-gnu/3.4.3/info --with-gxx-include-dir=/usr/lib/gcc/i486-pc-linux-gnu/3.4.3/include/g ++-v3 --host=i486-pc-linux-gnu --disable-altivec --enable-nls --without-included-gettext --enable-__cxa_atexit --enable-clocale=gnu --with-system-zlib --disable-checking --disable-werror --disable-libunwind-exceptions --enable-shared --enable-threads=posix --disable-libgcj --enable-languages=c,c++,f77 Thread model: posix gcc version 3.4.3 20041125 (Gentoo Linux 3.4.3-r1, ssp-3.4.3-0, pie-8.7.7)
2. source file (1.cc):
template <class T> class C1 {
public:
C1() {}
virtual ~C1() {}
protected:
T* m_prop;
};
template <class T> class C2 : public C1<T> {
public:
C2() {}
void A() { m_prop = (T*)0; }
virtual ~C2() {}
};
int main() {
C2<int> a;
return 0;
}
3. 1.ii
# 1 "1.cc"
# 1 "<built-in>"
# 1 "<command line>"
# 1 "1.cc"
template <class T> class C1 {
public:
C1() {}
virtual ~C1() {}
protected:
T* m_prop;
};
template <class T> class C2 : public C1<T> {
public:
C2() {}
void A() { m_prop = (T*)0; }
virtual ~C2() {}
};
int main() {
C2<int> a;
return 0;
}
4. compilation result:
bash-2.05b$ g++ --save-temps 1.cc
1.cc: In member function `void C2<T>::A()':
1.cc:12: error: `m_prop' undeclared (first use this function)
1.cc:12: error: (Each undeclared identifier is reported only once for
each function it appears in.)
5. ??workaround?? if i use explicit scoping { C1<T>::m_prop = ... } all
is ok.
--
Кравченко Петр Геннадьевич
НПП "СпецСтрой Связь", НТЦ, разработчик
Тел. +7(8634)311562 доп 225
mailto: [EMAIL PROTECTED]
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