"warning: this is the location of the previous definition" what it means?

[Riasat Abir]

Hi all,

I have compiled a pal library which uses boost.

I've compiled boostthread successfully with ndk.

But while compiling PAL I get this warning (in the title). The bold line says the shared library is built isn't it? but i don't get the libpal.so file as the compilation says: 

G:/afe/jni/PAL/Sources/../../boost/boost/config/posix_features.hpp:46:1: warning: "BOOST_HAS_PTHREADS" redefined

<command-line>: warning: this is the location of the previous definition

SharedLibrary  : libpal.so

G:/afe/obj/local/armeabi/objs/pal/PALcritsec.o: In function `boost::detail::thread::lock_ops<boost::recursive_mutex>::unlock(boost::recursive_mutex&, boost::recursive_mutex::cv_state&)':

G:/afe/jni/PAL/Sources/../../boost/boost/thread/detail/lock.hpp:58: undefined reference to `boost::recursive_mutex::do_unlock(boost::recursive_mutex::cv_state&)'

make: *** [/cygdrive/g/afe/obj/local/armeabi/libpal.so] Error 1

compilation log attached.

Regards,

Riasat

[Igor R]

The problem is that the linker doesn't find Boost.Thread static library.
Ensure that it exists on the path where it should be.

[alan]

have you specified boost thread in LOCAL_STATIC_LIBRARIES or LOCAL_LDLIBS?

[alan]

have you specified boost thread in LOCAL_STATIC_LIBRARIES or LOCAL_LDLIBS? the bold line states what the build is about to do.

[Riasat Abir]

yah it worked now after putting boostthread as local shared library :)

On Fri, Mar 18, 2011 at 3:40 PM, alan <al...@birtles.org.uk> wrote:

have you specified boost thread in LOCAL_STATIC_LIBRARIES or LOCAL_LDLIBS? the bold line states what the build is about to do.

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