On 2006-10-16 18:22+0200 Eric Noulard wrote:
Hi all,
I want to setup a default value for CMAKE_INSTALL_PREFIX
if the user did not indicate a value.
so I put:
IF (NOT CMAKE_INSTALL_PREFIX)
SET(CMAKE_INSTALL_PREFIX "/opt/${PACKAGE_NAME}-${PACKAGE_VERSION}"
CACHE PATH "Install path prefix" FORCE)
ELSE (NOT CMAKE_INSTALL_PREFIX)
MESSAGE("CMAKE_INSTALL_PREFIX already set to: ${CMAKE_INSTALL_PREFIX}")
ENDIF (NOT CMAKE_INSTALL_PREFIX)
but is seems that CMAKE_INSTALL_PREFIX is always set in cache
BEFORE I test this :((
Try dropping the Boolean logic and FORCE. i.e., use just
SET(CMAKE_INSTALL_PREFIX "/opt/${PACKAGE_NAME}-${PACKAGE_VERSION}"
CACHE PATH "Install path prefix")
That style works for us to provide a default option that can be changed by
the user. I assume that style will also work to override a variable that has
already been cached, but I don't know for sure.
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 Yorick front-end to PLplot (yplot.sf.net); the
Loads of Linux Links project (loll.sf.net); and the Linux Brochure Project
(lbproject.sf.net).
__________________________
Linux-powered Science
__________________________
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