A little digging around and the “b” was associated to a supplemental update,
and that shouldn’t matter much here.
And definitely I can’t compile anything there. I’m afraid Xcode update was not
as smooth as it should have been. Will look how to clean that...
/usr/bin/clang++ -stdlib=libc++ hello.cpp
In file included from hello.cpp:1:
In file included from /usr/bin/../lib/c++/v1/iostream:38:
In file included from /usr/bin/../lib/c++/v1/ios:216:
In file included from /usr/bin/../lib/c++/v1/__locale:15:
In file included from /usr/bin/../lib/c++/v1/string:434:
In file included from /usr/bin/../lib/c++/v1/algorithm:591:
/usr/bin/../lib/c++/v1/type_traits:165:12: error: unknown type name
'_LIBCPP_CONSTEXPR'
static _LIBCPP_CONSTEXPR const _Tp value = __v;
^
/usr/bin/../lib/c++/v1/type_traits:165:30: error: expected member name or ';'
after
declaration specifiers
static _LIBCPP_CONSTEXPR const _Tp value = __v;
~~~~~~~~~~~~~~~~~~~~~~~~ ^
/usr/bin/../lib/c++/v1/type_traits:169:9: error: unknown type name
'_LIBCPP_CONSTEXPR'
_LIBCPP_CONSTEXPR operator value_type() const {return value;}
^
/usr/bin/../lib/c++/v1/type_traits:169:63: error: use of undeclared identifier
'value'
_LIBCPP_CONSTEXPR operator value_type() const {return value;}
^
/usr/bin/../lib/c++/v1/type_traits:173:1: error: unknown type name
'_LIBCPP_CONSTEXPR'
_LIBCPP_CONSTEXPR const _Tp integral_constant<_Tp, __v>::value;
^
/usr/bin/../lib/c++/v1/type_traits:173:19: error: expected unqualified-id
_LIBCPP_CONSTEXPR const _Tp integral_constant<_Tp, __v>::value;
^
/usr/bin/../lib/c++/v1/type_traits:730:2: error: is_base_of not implemented.
#error is_base_of not implemented.
^
/usr/bin/../lib/c++/v1/type_traits:400:56: error: no member named 'value' in
'std::__1::is_integral<void>'
: public integral_constant<bool, is_integral<_Tp>::value ||
~~~~~~~~~~~~~~~~~~^
/usr/bin/../lib/c++/v1/type_traits:941:19: note: in instantiation of template
class
'std::__1::is_arithmetic<void>' requested here
(is_arithmetic<_A2>::value || is_void<_A2>::value) &&
^
/usr/bin/../lib/c++/v1/type_traits:949:22: note: in instantiation of default
argument for
'__promote<type-parameter-0-0, void, void>' required here
typedef typename __promote<_A1>::type __type1;
^~~~~~~~~~~~~~
/usr/bin/../lib/c++/v1/type_traits:949:38: error: expected a qualified name
after 'typename'
typedef typename __promote<_A1>::type __type1;
^
/usr/bin/../lib/c++/v1/type_traits:949:42: error: expected ';' at end of
declaration list
typedef typename __promote<_A1>::type __type1;
^
/usr/bin/../lib/c++/v1/type_traits:941:39: error: no member named 'value' in
'std::__1::is_arithmetic<void>'
(is_arithmetic<_A2>::value || is_void<_A2>::value) &&
~~~~~~~~~~~~~~~~~~~~^
/usr/bin/../lib/c++/v1/type_traits:950:22: note: in instantiation of default
argument for
'__promote<type-parameter-0-1, void, void>' required here
typedef typename __promote<_A2>::type __type2;
^~~~~~~~~~~~~~
/usr/bin/../lib/c++/v1/type_traits:950:38: error: expected a qualified name
after 'typename'
typedef typename __promote<_A2>::type __type2;
^
/usr/bin/../lib/c++/v1/type_traits:950:42: error: expected ';' at end of
declaration list
typedef typename __promote<_A2>::type __type2;
^
/usr/bin/../lib/c++/v1/type_traits:941:39: error: no member named 'value' in
'std::__1::is_arithmetic<void>'
(is_arithmetic<_A2>::value || is_void<_A2>::value) &&
~~~~~~~~~~~~~~~~~~~~^
/usr/bin/../lib/c++/v1/type_traits:951:38: error: expected a qualified name
after 'typename'
typedef typename __promote<_A3>::type __type3;
^
/usr/bin/../lib/c++/v1/type_traits:951:42: error: expected ';' at end of
declaration list
typedef typename __promote<_A3>::type __type3;
^
/usr/bin/../lib/c++/v1/type_traits:953:22: error: use of undeclared identifier
'__type1'
typedef decltype(__type1() + __type2() + __type3()) type;
^
/usr/bin/../lib/c++/v1/__config:291:32: note: expanded from macro 'decltype'
#define decltype(x) __typeof__(x)
^
In file included from hello.cpp:1:
In file included from /usr/bin/../lib/c++/v1/iostream:38:
In file included from /usr/bin/../lib/c++/v1/ios:216:
In file included from /usr/bin/../lib/c++/v1/__locale:15:
In file included from /usr/bin/../lib/c++/v1/string:434:
In file included from /usr/bin/../lib/c++/v1/algorithm:591:
/usr/bin/../lib/c++/v1/type_traits:953:34: error: use of undeclared identifier
'__type2'
typedef decltype(__type1() + __type2() + __type3()) type;
^
/usr/bin/../lib/c++/v1/__config:291:32: note: expanded from macro 'decltype'
#define decltype(x) __typeof__(x)
^
In file included from hello.cpp:1:
In file included from /usr/bin/../lib/c++/v1/iostream:38:
In file included from /usr/bin/../lib/c++/v1/ios:216:
In file included from /usr/bin/../lib/c++/v1/__locale:15:
In file included from /usr/bin/../lib/c++/v1/string:434:
In file included from /usr/bin/../lib/c++/v1/algorithm:591:
/usr/bin/../lib/c++/v1/type_traits:953:46: error: use of undeclared identifier
'__type3'
typedef decltype(__type1() + __type2() + __type3()) type;
^
/usr/bin/../lib/c++/v1/__config:291:32: note: expanded from macro 'decltype'
#define decltype(x) __typeof__(x)
^
fatal error: too many errors emitted, stopping now [-ferror-limit=]
20 errors generated.
> On 26 Feb 2020, at 22:03, Ken Cunningham <[email protected]>
> wrote:
>
>> Here it is:
>>
>> macOS 10.7.5 11G63b
>> Xcode 4.6.3 4H1503
>>
>> The only difference is the trailing “b” in macOS. I don’t know its meaning,
>> for sure it’s not “b for beta”, as I’ve never played with beta systems.
>>
>>
>
> I'm not sure about the "b", but the issue seems to be you can't build
> anything with c++ it appears, even though our build lines are identical:
>
>
> You:
>
> /usr/bin/clang++ -Os -stdlib=libc++ -arch x86_64
> -I/opt/local/libexec/llvm-3.4/include -DNDEBUG -D_GNU_SOURCE
> -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -O3 -g
> -fno-common -I/opt/local/include
> -I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_cctools/cctools/work/cctools-927.0.2/../ld64-450.3/src/abstraction
>
> -I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_cctools/cctools/work/cctools-927.0.2/../ld64-450.3/src/other
>
> -I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_cctools/cctools/work/cctools-927.0.2/include
> -stdlib=libc++ -c -o \
> :info:build ./PruneTrie.o ./PruneTrie.cpp
> :info:build In file included from ./PruneTrie.cpp:24:
> :info:build In file included from /usr/bin/../lib/c++/v1/vector:261:
> :info:build In file included from /usr/bin/../lib/c++/v1/__bit_reference:15:
> :info:build In file included from /usr/bin/../lib/c++/v1/algorithm:591:
> :info:build /usr/bin/../lib/c++/v1/type_traits:165:12: error: unknown type
> name '_LIBCPP_CONSTEXPR'
> :info:build static _LIBCPP_CONSTEXPR const _Tp value = __v;
>
>
> Me:
> /usr/bin/clang++ -Os -stdlib=libc++ -arch x86_64
> -I/opt/local/libexec/llvm-3.4/include -DNDEBUG -D_GNU_SOURCE
> -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -O3 -g
> -fno-common -I/opt/local/include
> -I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_cctools/cctools/work/cctools-927.0.2/../ld64-450.3/src/abstraction
>
> -I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_cctools/cctools/work/cctools-927.0.2/../ld64-450.3/src/other
>
> -I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_cctools/cctools/work/cctools-927.0.2/include
> -stdlib=libc++ -c -o \
> ./PruneTrie.o ./PruneTrie.cpp
>
>
>
> Please try building a very simple c++ "hello, world" program with
>
> /usr/bin/clang++ -stdlib=libc++
>
> and see if your c++ compiler is working at all ---
>
> If not, there's your issue --- and you'd need to reinstall something. We
> can't do much if your /usr/bin/clang++ is broken.
>
> If it works -- well then I don't know just yet -- we'd have to see...
>
> Ken
