[cfe-dev] Compile error using Clang
Douglas Gregor
dgregor at apple.com
Fri Aug 27 09:07:15 PDT 2010
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
> ----------------------------------------------------------------
> ./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
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> cfe-dev at cs.uiuc.edu
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