On 6/29/07, Alan W. Irwin <[EMAIL PROTECTED]> wrote:
On 2007-06-29 09:04+0800 Clark J. Wang wrote: > On 6/28/07, Alan W. Irwin <[EMAIL PROTECTED]> wrote: >> >> On 2007-06-28 10:08-0400 Alexandru Ciobanu wrote: >> > If I use the ALL parameter in add_custom_target() it will always rebuild >> it, >> > even if none of source files has changes. ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > Hi Alan, I have a question here. Why bother to call both ADD_CUSTOM_COMMAND > and ADD_CUSTOM_TARGET? It seems like only ADD_CUSTOM_TARGET with ALL > parameter is enough. Does your method have some advantage? See above quote from Alexandru. Also, if you read the ADD_CUSTOM_TARGET documentation, the reason why it always rebuilds is fully explained there. "The target has no output file and is ALWAYS CONSIDERED OUT OF DATE...."
I see. Thank you so much. Alan
__________________________ Alan W. Irwin Astronomical research affiliation with Department of Physics and Astronomy, University of Victoria (astrowww.phys.uvic.ca). Programming affiliations with the FreeEOS equation-of-state implementation for stellar interiors (freeeos.sf.net); PLplot scientific plotting software package (plplot.org); the libLASi project (unifont.org/lasi); the Loads of Linux Links project (loll.sf.net); and the Linux Brochure Project (lbproject.sf.net). __________________________ Linux-powered Science __________________________
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