On 2007-08-14 19:17+0200 ope wrote:
Hi,
I get the error
CMake Error: Error in cmake code at
.../CMakeLists.txt:295:
STRING no output variable specified
by this peace of code:
set (requiredPackages
ZLIB
BZip2
XercesC
CURL
Log4cxx
)
foreach (package ${requiredPackages})
find_package(${package} REQUIRED)
include_directories(${${package}_INCLUDE_DIRS})
string(TOUPPER ${${package}_LIBRARIES} PACKAGE_LIBRARIES)
link_directories(${PACKAGE_LIBRARIES})
target_link_libraries(${app_name} ${PACKAGE_LIBRARIES})
endforeach()
Imo there is an output variable of course. Anyway, I have to work around
the upper/lower case depencies from FindXXX naming ...
How to solve this?
I find the most useful (only?) way to debug CMake scripts is to use
MESSAGE(...) to print out intermediate results such as
${${package}_LIBRARIES}. Once you do that, my guess is you will find that
variable does not exist for some/all of your packages so that the effective
command was string(TOUPPER PACKAGE_LIBRARIES) leading to the error message
you obtained.
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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