Re: [jamboost] Missing environment variable?

From: David Abrahams (david.abrahams_at_[hidden])
Date: 2002-03-28 19:16:48

I'm fairly certain that's not a build system problem but a problem with
the threading library source. I think your version of GCC enforces
consistent linkage of extern "C" functions, whereas many older GCCs
don't. Bill?

----- Original Message -----
From: <dick.bridges_at_[hidden]>
To: <jamboost_at_[hidden]>
Sent: Thursday, March 28, 2002 7:06 PM
Subject: [jamboost] Missing environment variable?

> I'm reasonably sure I'm missing an environment variable somewhere but
I
> can't for the life of me figure out what it is.
>
> Environment is Redhat Linux 7.2. I used to Redhat RPMs to install
jam.
> BOOST_ROOT was populated using the boost_1_27_0.tar.gz. From the
> ~/boost_1_27_0 directory, command line was: "jam -sBOOST_ROOT=.
> -sTOOLS=gcc".
>
> libs/thread/build/../src/once.cpp: In function `void boost::call_once
> (void (*) (), once_flag &)':
> boost/thread/once.hpp:38: previous declaration of `void
> boost::call_once (void (*) (), once_flag &)' with C++ linkage
> libs/thread/build/../src/once.cpp:77: conflicts with new declaration
> with C linkage
> libs/thread/build/../src/once.cpp: At top level:
> libs/thread/build/../src/once.cpp:135: parse error at end of input
>
> g++ -c -Wall -ftemplate-depth-100 -g -O0 -fno-inline -pthread
> -I"libs/thread/build" -I"." -o
>
"libs/thread/build/bin/libboost_thread/gcc/debug/runtime-link-dynamic/th
reading-multi/once.o"
>
> "libs/thread/build/../src/once.cpp"
>
> </partial result>
>
> Can someone point me in the right direction?