Follow-up Comment #3, bug #97291 (project xrootd): For linux I believe __linux__ should be used. The following could be obsolete already, but found on SLC5: __gnu_linux__, linux, and __linux. I do not have access to Solaris or SunOS machines (the link below contains snippet how to distinguish between them). Here look to be a nice list of macros per operating system: http://sourceforge.net/apps/mediawiki/predef/index.php?title=Operating_Systems _______________________________________________________ Reply to this item at: <http://savannah.cern.ch/bugs/?97291> _______________________________________________ Message sent via/by LCG Savannah http://savannah.cern.ch/ ######################################################################## Use REPLY-ALL to reply to list To unsubscribe from the XROOTD-DEV list, click the following link: https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=XROOTD-DEV&A=1