Can you help to explain the rule of cmake variable usage(not env var)?
which condition shall we use ${}.
and
which condition shall we use VARIABLE name directly.
I found that:
most time we use variable like this ${VARNAME}
but in IF command
we should use it like IF(VARNAME).
Alan W. Irwin 写道:
On 2007-07-19 11:22+0800 cjacker wrote:
I do it in bash like this:
export CMAKE_INCLUDE_PATH=/usr/include/hello
FIND_PATH(myPath hello.h ${CMAKE_INCLUDE_PATH})
Try this instead:
export CMAKE_INCLUDE_PATH=/usr/include/hello
then in CMake script:
FIND_PATH(myPath hello.h)
In other words, drop the ${CMAKE_INCLUDE_PATH} from FIND_PATH and all
should
be well.
How the CMAKE_INCLUDE_PATH environment variable or equivalent CMake
variable
is used is documented at http://cmake.org/HTML/Documentation.html. That's
where you find most explicit documentation (or the equivalent "cmake
--help-full" command. For a summary of useful CMake variables look at
http://www.cmake.org/Wiki/CMake_Useful_Variables.
HTH
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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