[EMAIL PROTECTED] wrote:
On 1/4/07, Bill Hoffman <[EMAIL PROTECTED]> wrote:
[EMAIL PROTECTED] wrote:
> hi,
> I recently installed the lapack library on my linux box and would like
> to configure cmake to use it. I steal the FindLapack.cmake file from
>
http://www.mip.informatik.uni-kiel.de/~jw/cmake/CMakeModules/FindLAPACK.cmake
>
> (btw, I also use the FindGSL.cmake from there and it works great)
> and put it in the cmake modules folder.
> I have a CMakeList.txt like this:
> ========================================
> PROJECT(ta)
>
> FIND_PACKAGE(GSL)
> INCLUDE(${GSL_INCLUDE_DIR})
You want INCLUDE_DIRECTORIES and not INCLUDE. INCLUDE is for including
cmake code.
-Bill
hi, Bill
I made some corrections and with manually set up the locations in
cmake, ccmake . is now doing fine. My CMakeLists.txt is
PROJECT(ta)
FIND_PACKAGE(GSL)
INCLUDE_DIRECTORIES(${GSL_INCLUDE_DIR})
ADD_DEFINITIONS(-g -Wall -O2 -fno-gcse -finline-functions
-funswitch-loops )
FIND_PACKAGE(LAPACK)
IF(LAPACK_FOUND)
INCLUDE_DIRECTORIES(${LAPACK_INCLUDE_DIR})
ELSE(LAPACK_FOUND)
MESSAGE(FATAL_ERROR "Cannot build without LAPACK. Please set
LAPACK_DIR.")
ENDIF(LAPACK_FOUND)
#list all source files here
ADD_EXECUTABLE(
test testunsymm.c
)
TARGET_LINK_LIBRARIES(test ${GSL_LIBRARIES} ${LAPACK_LIBRARIES} )
However, when I make the program, I got the following message seems
there is a link problem:
$ make
Scanning dependencies of target test
[100%] Building C object CMakeFiles/test.dir/testunsymm.o
Linking C executable test
/usr/bin/ld: cannot find -llapack
collect2: ld returned 1 exit status
make[2]: *** [test] Error 1
make[1]: *** [CMakeFiles/test.dir/all] Error 2
make: *** [all] Error 2
Why it can not find the lapack package? Is there something wrong with
CMakeLists.txt? Thanks for comments.
Most likely it depends on the values found here:
${LAPACK_LIBRARIES}
It should be a FULL path to lapack /usr/lib/lapack.so or something like
that.
My guess is that it is just lapack. In which case you will need to make
it a full
path or to use the LINK_DIRECTORIES command.
-Bill
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