On Fri, Mar 12, 2004 at 05:19:35PM -0000, Dave Korn wrote: >> -----Original Message----- >> From: cygwin-owner On Behalf Of Shawn Legrand >> Sent: 12 March 2004 16:08 > >> Should the file stropts.h exist on CygWin? > > You already answered that one yourself: > >> I checked and there is no such file there or in >> any directory off of root or in the CVS source tree. > > Anyway, you also asked: > >> If not - could I >> copy it from a Unix system (such as a MAC BSD (OS X)) and put >> it in CygWin? > > That kind of game almost never works. Sure, the initial compilation will >succeed, or at least it won't error out with a missing file, but since >whatever library functions or OS features the header file describes don't >actually exist on your system, it isn't going to help any: it'll probably >all fall apart at the final link stage. > > BTW and FYI, here's the generic recipe for figuring out the answer to >these sorts of question: > > stropts.h (a moment's googling shows me) is related to POSIX streams >functionality. > > By searching for the keyword streams in the Posix spec at >http://www.opengroup.org/onlinepubs/007904975/nframe.html I found a few of >the functions involved were fattach, fdetach, putmsg, putpmsg. > > By searching in the cygwin api reference at >http://cygwin.com/cygwin-api/cygwin-api.html I couldn't find any of those >functions. > > So my deduction is that the POSIX streams functionality isn't implemented >by cygwin and therefore it's no surprise the header isn't there. > > This also means that the program you are trying to compile depends on OS >functionality that cygwin doesn't provide, and so porting it to cygwin will >never be a simple configure'n'make.
Can we get a gold star over here for exemplary use of reasoning powers? Thank you, Dave, for explaining how to think about problems like this. cgf -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
