How can i process this error? Thanks! I must compile success,because i'll
use OSG to cope with my graduate experiment! Help me!
IRIS 27% make
[ 0%] Building CXX object
src/OpenThreads/sproc/CMakeFiles/OpenThreads.dir/SprocThread.o
/usr/ygw/tools/OpenSceneGraph/src/OpenThreads/sproc/SprocThread.c++: In member
function `int OpenThreads::Thread::join()':
/usr/ygw/tools/OpenSceneGraph/src/OpenThreads/sproc/SprocThread.c++:538:
warning: passing
NULL used for non-pointer argument passing 3 of `pid_t waitpid(long int,
int*, int)'
/usr/ygw/tools/OpenSceneGraph/src/OpenThreads/sproc/SprocThread.c++:538:
warning: argument
to non-pointer type `int' from NULL
/usr/ygw/tools/OpenSceneGraph/src/OpenThreads/sproc/SprocThread.c++: In
function `void sproc_dead_child_sig_handler(int)':
/usr/ygw/tools/OpenSceneGraph/src/OpenThreads/sproc/SprocThread.c++:760: error:
`
void sproc_dead_child_sig_handler(int)' was declared `extern' and later
`static'
/usr/ygw/tools/OpenSceneGraph/src/OpenThreads/sproc/SprocThread.c++:45: error:
previous
declaration of `void sproc_dead_child_sig_handler(int)'
*** Error code 1 (bu21)
*** Error code 1 (bu21)
*** Error code 1 (bu21)
---------------------------------
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