<div dir="ltr"><div>Dear all,<br><br>When building paraview, master branch, commit d00c2cfed216bd07122f8b38c41329c40b510b50, I get the error:<br></div><div>/opt/paraview/VTK/ThirdParty/hdf5/vtkhdf5/src/H5public.h:166:5: error: #error "nothing appropriate for ssize_t"<br><br></div><div>The context of it is:<br><br>#if H5_SIZEOF_SSIZE_T==0<br>/* Undefine this size, we will re-define it in one of the sections below */<br>#undef H5_SIZEOF_SSIZE_T<br>#if H5_SIZEOF_SIZE_T==H5_SIZEOF_INT<br>    #ifdef WIN32<br>        #undef ssize_t<br>    #endif<br>    typedef int ssize_t;<br>#       define H5_SIZEOF_SSIZE_T H5_SIZEOF_INT<br>#elif H5_SIZEOF_SIZE_T==H5_SIZEOF_LONG<br>typedef long ssize_t;<br>#       define H5_SIZEOF_SSIZE_T H5_SIZEOF_LONG<br>#elif H5_SIZEOF_SIZE_T==H5_SIZEOF_LONG_LONG<br>typedef long long ssize_t;<br>#       define H5_SIZEOF_SSIZE_T H5_SIZEOF_LONG_LONG<br>#else /* Can't find matching type for ssize_t */<br>#   error "nothing appropriate for ssize_t"<br>#endif<br>#endif<br><br></div><div><br>Checking the value of some variables with  #pragma message, I verified that at the beginning of this part, not only <b>H5_SIZEOF_SSIZE_T is undefined</b>, <u><b>but also</b></u> <b>H5_SIZEOF_SIZE_T is undefined.</b><br><br></div><div>I wasn't able to diagnose the problem further than that. Would you have any suggestion? Is there some configuration of CMake that I am doing wrong?<br><br></div><div>Thank you for your attention,<br><br></div><div>Thomas Oliveira<br></div></div>