[roscpp] add missing header for writev(). #1105
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After an update of gcc and glibc roscpp started to fail builds with the error:
/home/rojkov/work/ros/build/tmp-glibc/work/i586-oe-linux/roscpp/1.11.21-r0/ros_comm-1.11.21/clients/roscpp/src/libros/transport/transport_udp.cpp:579:25: error: 'writev' was not declared in this scope
ssize_t num_bytes = writev(sock_, iov, 2);
^~~~~~
According to POSIX.1-2001 the function writev() is declared in sys/uio.h.
The patch includes the missing header for POSIX compliant systems.
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After an update of gcc and glibc roscpp started to fail builds with the error:
According to POSIX.1-2001 the function writev() is declared in sys/uio.h.
The patch includes the missing header for POSIX compliant systems.