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checked performance of new vector libaries.

Added check for c++11 support on the configure.ac
This commit is contained in:
neo
2015-05-26 12:02:54 +09:00
parent 9e29ac6549
commit 1a24801246
12 changed files with 398 additions and 59 deletions

186
configure vendored
View File

@ -633,6 +633,7 @@ BUILD_COMMS_MPI_TRUE
EGREP
GREP
CXXCPP
HAVE_CXX11
RANLIB
OPENMP_CXXFLAGS
am__fastdepCXX_FALSE
@ -3965,6 +3966,191 @@ else
RANLIB="$ac_cv_prog_RANLIB"
fi
ax_cxx_compile_cxx11_required=true
ac_ext=cpp
ac_cpp='$CXXCPP $CPPFLAGS'
ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
ac_success=no
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CXX supports C++11 features by default" >&5
$as_echo_n "checking whether $CXX supports C++11 features by default... " >&6; }
if ${ax_cv_cxx_compile_cxx11+:} false; then :
$as_echo_n "(cached) " >&6
else
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
template <typename T>
struct check
{
static_assert(sizeof(int) <= sizeof(T), "not big enough");
};
struct Base {
virtual void f() {}
};
struct Child : public Base {
virtual void f() override {}
};
typedef check<check<bool>> right_angle_brackets;
int a;
decltype(a) b;
typedef check<int> check_type;
check_type c;
check_type&& cr = static_cast<check_type&&>(c);
auto d = a;
auto l = [](){};
// Prevent Clang error: unused variable 'l' [-Werror,-Wunused-variable]
struct use_l { use_l() { l(); } };
// http://stackoverflow.com/questions/13728184/template-aliases-and-sfinae
// Clang 3.1 fails with headers of libstd++ 4.8.3 when using std::function because of this
namespace test_template_alias_sfinae {
struct foo {};
template<typename T>
using member = typename T::member_type;
template<typename T>
void func(...) {}
template<typename T>
void func(member<T>*) {}
void test();
void test() {
func<foo>(0);
}
}
_ACEOF
if ac_fn_cxx_try_compile "$LINENO"; then :
ax_cv_cxx_compile_cxx11=yes
else
ax_cv_cxx_compile_cxx11=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxx_compile_cxx11" >&5
$as_echo "$ax_cv_cxx_compile_cxx11" >&6; }
if test x$ax_cv_cxx_compile_cxx11 = xyes; then
ac_success=yes
fi
if test x$ac_success = xno; then
for switch in -std=c++11 -std=c++0x +std=c++11; do
cachevar=`$as_echo "ax_cv_cxx_compile_cxx11_$switch" | $as_tr_sh`
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CXX supports C++11 features with $switch" >&5
$as_echo_n "checking whether $CXX supports C++11 features with $switch... " >&6; }
if eval \${$cachevar+:} false; then :
$as_echo_n "(cached) " >&6
else
ac_save_CXXFLAGS="$CXXFLAGS"
CXXFLAGS="$CXXFLAGS $switch"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
template <typename T>
struct check
{
static_assert(sizeof(int) <= sizeof(T), "not big enough");
};
struct Base {
virtual void f() {}
};
struct Child : public Base {
virtual void f() override {}
};
typedef check<check<bool>> right_angle_brackets;
int a;
decltype(a) b;
typedef check<int> check_type;
check_type c;
check_type&& cr = static_cast<check_type&&>(c);
auto d = a;
auto l = [](){};
// Prevent Clang error: unused variable 'l' [-Werror,-Wunused-variable]
struct use_l { use_l() { l(); } };
// http://stackoverflow.com/questions/13728184/template-aliases-and-sfinae
// Clang 3.1 fails with headers of libstd++ 4.8.3 when using std::function because of this
namespace test_template_alias_sfinae {
struct foo {};
template<typename T>
using member = typename T::member_type;
template<typename T>
void func(...) {}
template<typename T>
void func(member<T>*) {}
void test();
void test() {
func<foo>(0);
}
}
_ACEOF
if ac_fn_cxx_try_compile "$LINENO"; then :
eval $cachevar=yes
else
eval $cachevar=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
CXXFLAGS="$ac_save_CXXFLAGS"
fi
eval ac_res=\$$cachevar
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
if eval test x\$$cachevar = xyes; then
CXXFLAGS="$CXXFLAGS $switch"
ac_success=yes
break
fi
done
fi
ac_ext=cpp
ac_cpp='$CXXCPP $CPPFLAGS'
ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
if test x$ax_cxx_compile_cxx11_required = xtrue; then
if test x$ac_success = xno; then
as_fn_error $? "*** A compiler with support for C++11 language features is required." "$LINENO" 5
fi
else
if test x$ac_success = xno; then
HAVE_CXX11=0
{ $as_echo "$as_me:${as_lineno-$LINENO}: No compiler with C++11 support was found" >&5
$as_echo "$as_me: No compiler with C++11 support was found" >&6;}
else
HAVE_CXX11=1
$as_echo "#define HAVE_CXX11 1" >>confdefs.h
fi
fi
# Checks for libraries.
#AX_GCC_VAR_ATTRIBUTE(aligned)