> -----Original Message----- > From: Jesper Eskilson [mailto:[EMAIL PROTECTED] On Behalf Of > Jesper Eskilson > Sent: 04 December 2007 13:41 > To: Josef Karthauser > Cc: [email protected] > Subject: Re: [CMake] Bug in EXECUTE_PROCESS? > > Josef Karthauser wrote: > > Is this a bug? > > > > EXECUTE_PROCESS( > > COMMAND badcmd_that_doesnt_exist > > ERROR_VARIABLE ERROR > > ) > > IF(ERROR) > > MESSAGE(FATAL_ERROR "Error! Command doesn’t exist.") > > ENDIF(ERROR) > > > > as the fatal_error is never raised. > > > > If not, what’s the canonical way of reliably determining whether the > > process succeeded or failed? > > Without actually checking the docs, I would guess that ERROR contains > the exit code of the process, i.e. non-zero on failure. Try comparing > ERROR against 0 instead.
My bad! I didn't read the docs carefully enough. ERROR_VARIABLE actually indicates the variable which should take the output of the stderr channel. What I should have been using was RESULT_VARIABLE. Joe
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