configure

C++类模版库实现

  rm -rf conftest*
  cat >> confdefs.h <<\EOF
#define _STLP_NO_FRIEND_TEMPLATES 1
EOF
 ac_cv_friend_templates="no"

fi
rm -f conftest*
echo "$ac_t""$ac_cv_friend_templates" 1>&6

echo $ac_n "checking for qualified friend templates""... $ac_c" 1>&6
echo "configure:1429: checking for qualified friend templates" >&5
cat > conftest.$ac_ext <<EOF
#line 1431 "configure"
#include "confdefs.h"


${_TEST_STD_BEGIN}

template <class Result2> class foo;

template <class Result>
struct ft_foo {
    typedef Result result_type;
    template <class Result2> friend class $_TEST_STD::foo;
};      
ft_foo<int> p;
${_TEST_STD_END}


int main() {

; return 0; }
EOF
if { (eval echo configure:1452: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
  rm -rf conftest*
  ac_cv_qual_friend_templates="yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  cat >> confdefs.h <<\EOF
#define _STLP_NO_QUALIFIED_FRIENDS 1
EOF
 ac_cv_qual_friend_templates="no"

fi
rm -f conftest*
echo "$ac_t""$ac_cv_qual_friend_templates" 1>&6

echo $ac_n "checking for member template keyword""... $ac_c" 1>&6
echo "configure:1469: checking for member template keyword" >&5
cat > conftest.$ac_ext <<EOF
#line 1471 "configure"
#include "confdefs.h"

template <class Result>
struct nt_foo {
    typedef Result result_type;
    template <class Arg> struct rebind {  typedef nt_foo<Arg> other; };
};

template <class _Tp, class _Allocator>
struct _Traits
{
  typedef typename _Allocator:: template rebind<_Tp> my_rebind; 
  typedef typename my_rebind::other allocator_type;
};

nt_foo<char> p;
_Traits< int, nt_foo<short> > pp;

int main() {

; return 0; }
EOF
if { (eval echo configure:1494: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
  rm -rf conftest*
  ac_cv_member_template_keyword="yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  cat >> confdefs.h <<\EOF
#define _STLP_NO_MEMBER_TEMPLATE_KEYWORD 1
EOF
 ac_cv_member_template_keyword="no"

fi
rm -f conftest*
echo "$ac_t""$ac_cv_member_template_keyword" 1>&6

if test "$ac_cv_member_template_keyword" = "no"; then
echo $ac_n "checking for member template classes""... $ac_c" 1>&6
echo "configure:1512: checking for member template classes" >&5
cat > conftest.$ac_ext <<EOF
#line 1514 "configure"
#include "confdefs.h"

template <class Result>
struct nt_foo {
    typedef Result result_type;
    template <class Arg> struct rebind {  typedef nt_foo<Arg> other; };
};

template <class _Tp, class _Allocator>
struct _Traits
{
  typedef typename _Allocator::rebind<_Tp> my_rebind; 
  typedef typename my_rebind::other allocator_type;
};

nt_foo<char> p;
_Traits< int, nt_foo<short> > pp;

int main() {

; return 0; }
EOF
if { (eval echo configure:1537: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
  rm -rf conftest*
  ac_cv_member_template_classes="yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  cat >> confdefs.h <<\EOF
#define _STLP_NO_MEMBER_TEMPLATE_CLASSES 1
EOF
 ac_cv_member_template_classes="no"

fi
rm -f conftest*
echo "$ac_t""$ac_cv_member_template_classes" 1>&6
fi

echo $ac_n "checking for partial class specialization""... $ac_c" 1>&6
echo "configure:1555: checking for partial class specialization" >&5
cat > conftest.$ac_ext <<EOF
#line 1557 "configure"
#include "confdefs.h"

template <class Arg,class Result>
struct ps_foo {
    typedef Arg argument_type;
    typedef Result result_type;
};   

template<class Result>
struct ps_foo<Result*,Result*> {
	void bar() {}
};

template<class Result>
struct ps_foo<int*,Result> {
	void foo() {}
};

ps_foo<char*, char*> p;
ps_foo<int*, int> p1;

int main() {
p.bar();
 p1.foo();
; return 0; }
EOF
if { (eval echo configure:1584: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
  rm -rf conftest*
  ac_cv_partial_spec="yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  cat >> confdefs.h <<\EOF
#define _STLP_NO_CLASS_PARTIAL_SPECIALIZATION 1
EOF
 ac_cv_partial_spec="no"

fi
rm -f conftest*
echo "$ac_t""$ac_cv_partial_spec" 1>&6

if test "$ac_cv_partial_spec" = yes; then

echo $ac_n "checking if explicit args accepted on constructors of partial specialized classes""... $ac_c" 1>&6
echo "configure:1603: checking if explicit args accepted on constructors of partial specialized classes" >&5
cat > conftest.$ac_ext <<EOF
#line 1605 "configure"
#include "confdefs.h"

template <class Arg,class Result>
struct ps_foo {
    typedef Arg argument_type;
    typedef Result result_type;
};   

template<class Result>
struct ps_foo<Result*,Result*> {
	ps_foo<Result*,Result*>() {}
	void bar() {}
};

template<class Result>
struct ps_foo<int*,Result> {
	ps_foo<int*,Result*>() {}
	void bar() {}

};

ps_foo<char*, char*> p;
ps_foo<int*, int> p1;

int main() {
p.bar();
 p1.foo();
; return 0; }
EOF
if { (eval echo configure:1635: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
  rm -rf conftest*
  cat >> confdefs.h <<\EOF
#define _STLP_PARTIAL_SPEC_NEEDS_TEMPLATE_ARGS 1
EOF
 ac_cv_partial_spec_needs_args="yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ac_cv_partial_spec_needs_args="no"

fi
rm -f conftest*
echo "$ac_t""$ac_cv_partial_spec_needs_args" 1>&6

fi

if test ac_cv_partial_spec_needs_args=="no"; then

echo $ac_n "checking if explicit args accepted on constructors of explicitly specialized classes""... $ac_c" 1>&6
echo "configure:1656: checking if explicit args accepted on constructors of explicitly specialized classes" >&5
cat > conftest.$ac_ext <<EOF
#line 1658 "configure"
#include "confdefs.h"

template <class Arg,class Result>
struct ps_foo {
    typedef Arg argument_type;
    typedef Result result_type;
    void bar() {}	
};   

template<class Result>
struct ps_foo<int*,int> {
	ps_foo<Result*,Result*>() {}
	void foo() {}
};

ps_foo<char*, char*> p;
ps_foo<int*, int> p1;

int main() {
p.bar();
 p1.foo();
; return 0; }
EOF
if { (eval echo configure:1682: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
  rm -rf conftest*
  cat >> confdefs.h <<\EOF
#define _STLP_PARTIAL_SPEC_NEEDS_TEMPLATE_ARGS 1
EOF
 ac_cv_partial_spec_needs_args="yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ac_cv_partial_spec_needs_args="no"

fi
rm -f conftest*
echo "$ac_t""$ac_cv_partial_spec_needs_args" 1>&6

fi

echo $ac_n "checking for partial template function ordering""... $ac_c" 1>&6
echo "configure:1701: checking for partial template function ordering" >&5
cat > conftest.$ac_ext <<EOF
#line 1703 "configure"
#include "confdefs.h"


template <class Arg,class Result>
Result po_foo (const Arg& a,const Result&){ return (Result)a.nothing; }  

template <class T>
struct A {
	T a;
	A(int _a) : a(_a) {}
};

template<class T>
T po_foo (const A<T>& a, const A<T>& b){ return a.a; }   

int main() {

  A<int> po_a(0); A<int> po_b(1); (void)po_foo(po_b, po_a)

; return 0; }
EOF
if { (eval echo configure:1725: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
  rm -rf conftest*
  ac_cv_partial_ord="yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  cat >> confdefs.h <<\EOF
#define _STLP_NO_FUNCTION_TMPL_PARTIAL_ORDER 1
EOF
 ac_cv_partial_ord="no"

fi
rm -f conftest*
echo "$ac_t""$ac_cv_partial_ord" 1>&6

echo $ac_n "checking for method specialization""... $ac_c" 1>&6
echo "configure:1742: checking for method specialization" >&5
cat > conftest.$ac_ext <<EOF
#line 1744 "configure"
#include "confdefs.h"

template <class Arg,class Result>
struct ms_foo {
    typedef Arg argument_type;
    typedef Result result_type;
    inline void bar();
};   

template <class Arg,class Result>
inline void ms_foo<Arg,Result>::bar() {}

inline void ms_foo<int*,int>::bar() {}

ms_foo<char*, char*> p;
ms_foo<int*, int> p1;

int main() {
p.bar();
 p1.bar();
; return 0; }
EOF
if { (eval echo configure:1767: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
  rm -rf conftest*
  ac_cv_method_spec="yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  cat >> confdefs.h <<\EOF
#define _STLP_NO_METHOD_SPECIALIZATION 1
EOF
 ac_cv_method_spec="no"

fi
rm -f conftest*
echo "$ac_t""$ac_cv_method_spec" 1>&6

echo $ac_n "checking for lrand48 function""... $ac_c" 1>&6
echo "configure:1784: checking for lrand48 function" >&5
cat > conftest.$ac_ext <<EOF
#line 1786 "configure"
#include "confdefs.h"
#include <stdlib.h>
int main() {
long i = lrand48();
; return 0; }
EOF
if { (eval echo configure:1793: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
  rm -rf conftest*
  cat >> confdefs.h <<\EOF
#define _STLP_RAND48 1
EOF
 ac_cv_func_lrand48="yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ac_cv_func_lrand48="no"
fi
rm -f conftest*
echo "$ac_t""$ac_cv_func_lrand48" 1>&6


echo $ac_n "checking for default template parameters""... $ac_c" 1>&6
echo "configure:1810: checking for default template parameters" >&5
cat > conftest.$ac_ext <<EOF
#line 1812 "configure"
#include "confdefs.h"
template <class T> struct less {}; 
     template <class T, class T1=less<T> > struct Class { T1 t1; };
     Class<int> cl;
     Class<int,less<short> > cl2;
    
int main() {

; return 0; }
EOF
if { (eval echo configure:1823: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
  rm -rf conftest*
  ac_cv_default_template_param="yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  cat >> confdefs.h <<\EOF
#define _STLP_LIMITED_DEFAULT_TEMPLATES 1
EOF
 ac_cv_default_template_param="no"
fi
rm -f conftest*
echo "$ac_t""$ac_cv_default_template_param" 1>&6
if test "$ac_cv_default_template_param" = "no"; then
  echo $ac_n "checking for default type parameters""... $ac_c" 1>&6
echo "configure:1839: checking for default type parameters" >&5
  cat > conftest.$ac_ext <<EOF
#line 1841 "configure"
#include "confdefs.h"

template <class T> struct less {
	typedef int int_t;
  }; 

template <class T, class T1=less<int> > 
struct Class { 
private:
       int a;
public:
       typedef Class<T,T1> self; 
       typedef $__TYPENAME T1::int_t int_t;
       self foo (const Class<T,T1>& t) { 
         if ( t.a==a ) return *this;
         else return t;
         } 
};

Class<int> cl;
Class<int,less<short> > cl2;
    
int main() {

; return 0; }
EOF
if { (eval echo configure:1868: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
  rm -rf conftest*
  cat >> confdefs.h <<\EOF
#define _STLP_DEFAULT_TYPE_PARAM 1
EOF
 ac_cv_default_type_param="yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ac_cv_default_type_param="no"
fi
rm -f conftest*
  echo "$ac_t""$ac_cv_default_type_param" 1>&6

fi


echo $ac_n "checking for default non-type parameters""... $ac_c" 1>&6
echo "configure:1887: checking for default non-type parameters" >&5
cat > conftest.$ac_ext <<EOF
#line 1889 "configure"