'Re: [cfe-dev] Compile error using Clang'

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List:       cfe-dev
Subject:    Re: [cfe-dev] Compile error using Clang
From:       Wei Li <weili747 () gmail ! com>
Date:       2010-08-27 19:17:14
Message-ID: AANLkTi=Np3v12SoXBTLj3CAemJpDufaLMFWwTGvup-BR () mail ! gmail ! com
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On Fri, Aug 27, 2010 at 11:07 AM, Douglas Gregor <dgregor@apple.com> wrote:
> 
> On Aug 27, 2010, at 9:00 AM, Wei Li wrote:
> 
> > Dear All:
> > 
> > I am getting the following error for the following simple test.cpp code:
> > 
> > 
> > #include <iostream>
> > 
> > using namespace std;
> > 
> > int main(void){
> > 
> > 
> > 
> > return 1;
> > 
> > }
> 
> Clang doesn't support the standard library (libstdc++) that comes with GCC < 4.2. \
> We'll accept patches to make it work, but right now it doesn't work out-of-the-box. \
> Do you have headers for a newer libstdc++ available? 
> - Doug
> 

Thanks Will it work if I install a newer version of GCC? What
part of the Makefile I have to change so that it can detect the new
version of GCC installed separately. I went through the Makefile and
could not figure it out. or is there any flag which I can use when I
run ./configure command?

Thanks

--

> > ----------------------------------------------------------------
> > ./install/bin/clang++ ./test.cpp
> > In file included from ./test.cpp:1:
> > In file included from /usr/include/c++/4.1.2/iostream:43:
> > In file included from /usr/include/c++/4.1.2/ostream:43:
> > In file included from /usr/include/c++/4.1.2/ios:42:
> > In file included from /usr/include/c++/4.1.2/iosfwd:45:
> > In file included from
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/c++io.h:38:
> > In file included from
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr.h:132:
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr-default.h:100:1:
> > error: weakref declaration of '__gthrw_pthread_once' must be static
> > __gthrw(pthread_once)
> > ^
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr-default.h:81:23:
> > note: instantiated from:
> > #define __gthrw(name) __gthrw2(__gthrw_ ## name,name,name)
> > ^
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr-default.h:72:46:
> > note: instantiated from:
> > extern __typeof(type) name __attribute__ ((__weakref__(#name2))); \
> > ^
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr-default.h:101:1:
> > error: weakref declaration of '__gthrw_pthread_getspecific' must be
> > static
> > __gthrw(pthread_getspecific)
> > ^
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr-default.h:81:23:
> > note: instantiated from:
> > #define __gthrw(name) __gthrw2(__gthrw_ ## name,name,name)
> > ^
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr-default.h:72:46:
> > note: instantiated from:
> > extern __typeof(type) name __attribute__ ((__weakref__(#name2))); \
> > ^
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr-default.h:102:1:
> > error: weakref declaration of '__gthrw_pthread_setspecific' must be
> > static
> > __gthrw(pthread_setspecific)
> > ^
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr-default.h:81:23:
> > note: instantiated from:
> > #define __gthrw(name) __gthrw2(__gthrw_ ## name,name,name)
> > ^
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr-default.h:72:46:
> > note: instantiated from:
> > extern __typeof(type) name __attribute__ ((__weakref__(#name2))); \
> > ^
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr-default.h:103:1:
> > error: weakref declaration of '__gthrw_pthread_create' must be static
> > __gthrw(pthread_create)
> > ^
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr-default.h:81:23:
> > note: instantiated from:
> > #define __gthrw(name) __gthrw2(__gthrw_ ## name,name,name)
> > ^
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr-default.h:72:46:
> > note: instantiated from:
> > extern __typeof(type) name __attribute__ ((__weakref__(#name2))); \
> > ^
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr-default.h:104:1:
> > error: weakref declaration of '__gthrw_pthread_cancel' must be static
> > __gthrw(pthread_cancel)
> > ^
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr-default.h:81:23:
> > note: instantiated from:
> > #define __gthrw(name) __gthrw2(__gthrw_ ## name,name,name)
> > ^
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr-default.h:72:46:
> > note: instantiated from:
> > extern __typeof(type) name __attribute__ ((__weakref__(#name2))); \
> > ^
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr-default.h:105:1:
> > error: weakref declaration of '__gthrw_pthread_mutex_lock' must be
> > static
> > __gthrw(pthread_mutex_lock)
> > ^
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr-default.h:81:23:
> > note: instantiated from:
> > #define __gthrw(name) __gthrw2(__gthrw_ ## name,name,name)
> > ^
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr-default.h:72:46:
> > note: instantiated from:
> > extern __typeof(type) name __attribute__ ((__weakref__(#name2))); \
> > ^
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr-default.h:106:1:
> > error: weakref declaration of '__gthrw_pthread_mutex_trylock' must be
> > static
> > __gthrw(pthread_mutex_trylock)
> > ^
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr-default.h:81:23:
> > note: instantiated from:
> > #define __gthrw(name) __gthrw2(__gthrw_ ## name,name,name)
> > ^
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr-default.h:72:46:
> > note: instantiated from:
> > extern __typeof(type) name __attribute__ ((__weakref__(#name2))); \
> > ^
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr-default.h:107:1:
> > error: weakref declaration of '__gthrw_pthread_mutex_unlock' must be
> > static
> > __gthrw(pthread_mutex_unlock)
> > ^
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr-default.h:81:23:
> > note: instantiated from:
> > #define __gthrw(name) __gthrw2(__gthrw_ ## name,name,name)
> > ^
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr-default.h:72:46:
> > note: instantiated from:
> > extern __typeof(type) name __attribute__ ((__weakref__(#name2))); \
> > ^
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr-default.h:108:1:
> > error: weakref declaration of '__gthrw_pthread_mutex_init' must be
> > static
> > __gthrw(pthread_mutex_init)
> > ^
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr-default.h:81:23:
> > note: instantiated from:
> > #define __gthrw(name) __gthrw2(__gthrw_ ## name,name,name)
> > ^
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr-default.h:72:46:
> > note: instantiated from:
> > extern __typeof(type) name __attribute__ ((__weakref__(#name2))); \
> > ^
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr-default.h:109:1:
> > error: weakref declaration of '__gthrw_pthread_cond_broadcast' must be
> > static
> > __gthrw(pthread_cond_broadcast)
> > ^
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr-default.h:81:23:
> > note: instantiated from:
> > #define __gthrw(name) __gthrw2(__gthrw_ ## name,name,name)
> > ^
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr-default.h:72:46:
> > note: instantiated from:
> > extern __typeof(type) name __attribute__ ((__weakref__(#name2))); \
> > ^
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr-default.h:110:1:
> > error: weakref declaration of '__gthrw_pthread_cond_wait' must be
> > static
> > __gthrw(pthread_cond_wait)
> > ^
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr-default.h:81:23:
> > note: instantiated from:
> > #define __gthrw(name) __gthrw2(__gthrw_ ## name,name,name)
> > ^
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr-default.h:72:46:
> > note: instantiated from:
> > extern __typeof(type) name __attribute__ ((__weakref__(#name2))); \
> > ^
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr-default.h:113:1:
> > error: weakref declaration of '__gthrw_pthread_key_create' must be
> > static
> > __gthrw(pthread_key_create)
> > ^
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr-default.h:81:23:
> > note: instantiated from:
> > #define __gthrw(name) __gthrw2(__gthrw_ ## name,name,name)
> > ^
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr-default.h:72:46:
> > note: instantiated from:
> > extern __typeof(type) name __attribute__ ((__weakref__(#name2))); \
> > ^
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr-default.h:114:1:
> > error: weakref declaration of '__gthrw_pthread_key_delete' must be
> > static
> > __gthrw(pthread_key_delete)
> > ^
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr-default.h:81:23:
> > note: instantiated from:
> > #define __gthrw(name) __gthrw2(__gthrw_ ## name,name,name)
> > ^
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr-default.h:72:46:
> > note: instantiated from:
> > extern __typeof(type) name __attribute__ ((__weakref__(#name2))); \
> > ^
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr-default.h:115:1:
> > error: weakref declaration of '__gthrw_pthread_mutexattr_init' must be
> > static
> > __gthrw(pthread_mutexattr_init)
> > ^
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr-default.h:81:23:
> > note: instantiated from:
> > #define __gthrw(name) __gthrw2(__gthrw_ ## name,name,name)
> > ^
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr-default.h:72:46:
> > note: instantiated from:
> > extern __typeof(type) name __attribute__ ((__weakref__(#name2))); \
> > ^
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr-default.h:116:1:
> > error: weakref declaration of '__gthrw_pthread_mutexattr_settype' must
> > be static
> > __gthrw(pthread_mutexattr_settype)
> > ^
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr-default.h:81:23:
> > note: instantiated from:
> > #define __gthrw(name) __gthrw2(__gthrw_ ## name,name,name)
> > ^
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr-default.h:72:46:
> > note: instantiated from:
> > extern __typeof(type) name __attribute__ ((__weakref__(#name2))); \
> > ^
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr-default.h:117:1:
> > error: weakref declaration of '__gthrw_pthread_mutexattr_destroy' must
> > be static
> > __gthrw(pthread_mutexattr_destroy)
> > ^
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr-default.h:81:23:
> > note: instantiated from:
> > #define __gthrw(name) __gthrw2(__gthrw_ ## name,name,name)
> > ^
> > /usr/include/c++/4.1.2/x86_64-redhat-linux/bits/gthr-default.h:72:46:
> > note: instantiated from:
> > extern __typeof(type) name __attribute__ ((__weakref__(#name2))); \
> > ^
> > 16 errors generated.
> > 
> > 
> > 
> > 
> > --
> > Regards,
> > 
> > Wei Li
> > _______________________________________________
> > cfe-dev mailing list
> > cfe-dev@cs.uiuc.edu
> > http://lists.cs.uiuc.edu/mailman/listinfo/cfe-dev
> 
> 

Regards,

Wei Li

-- 
Regards,

Wei Li

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