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Try to do without unnecessary dependencies

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UMFPACK is by default dependent on CHOLMOD, but on some systems it is
compiled with -DNCHOLMOD; in those cases we should not try to link in
the library -- it may not be available and in any cases it is not used,
so it is just a superfluous dependency.
This commit is contained in:
Roland Kaufmann 2013-01-30 22:25:04 +01:00
parent 172e9b3e33
commit f8d047d4db
1 changed files with 29 additions and 1 deletions
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30
cmake/Modules/FindSuiteSparse.cmake
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@ -25,6 +25,23 @@
# Copyright (C) 2012 Uni Research AS
# This file is licensed under the GNU General Public License v3.0
function (try_compile_umfpack varname extralibs)
include (CMakePushCheckState)
include (CheckCSourceCompiles)
cmake_push_check_state ()
set (CMAKE_REQUIRED_INCLUDES ${UMFPACK_INCLUDE_DIRS})
set (CMAKE_REQUIRED_LIBRARIES ${UMFPACK_LIBRARY} ${extralibs})
check_c_source_compiles (
"#include <umfpack.h>
int main (void) {
double t;
t = umfpack_timer ();
return 0;
}" ${varname})
cmake_pop_check_state ()
set (${varname} "${${varname}}" PARENT_SCOPE)
endfunction (try_compile_umfpack)
# search paths for the library outside of standard system paths. these are the
# paths in which the package managers on various distros put the files
list (APPEND SuiteSparse_SEARCH_INCS "/usr/include/suitesparse") # Linux
@ -117,7 +134,18 @@ if (CHOLMOD_LIBRARY)
list (REVERSE CHOLMOD_LIBRARIES)
endif (CHOLMOD_LIBRARY)
if (UMFPACK_LIBRARY)
list (APPEND UMFPACK_LIBRARIES ${CHOLMOD_LIBRARIES} ${AMD_LIBRARIES})
# test if umfpack is usable with only amd and not cholmod
try_compile_umfpack (HAVE_UMFPACK_WITHOUT_CHOLMOD ${AMD_LIBRARIES})
if (HAVE_UMFPACK_WITHOUT_CHOLMOD)
list (APPEND UMFPACK_LIBRARIES ${AMD_LIBRARIES})
else (HAVE_UMFPACK_WITHOUT_CHOLMOD)
try_compile_umfpack (HAVE_UMFPACK_WITH_CHOLMOD ${CHOLMOD_LIBRARIES})
if (HAVE_UMFPACK_WITH_CHOLMOD)
list (APPEND UMFPACK_LIBRARIES ${CHOLMOD_LIBRARIES})
else (HAVE_UMFPACK_WITH_CHOLMOD)
set (UMFPACK_LIBRARIES "-NOTFOUND")
endif (HAVE_UMFPACK_WITH_CHOLMOD)
endif (HAVE_UMFPACK_WITHOUT_CHOLMOD)
list (REVERSE UMFPACK_LIBRARIES)
list (REMOVE_DUPLICATES UMFPACK_LIBRARIES)
list (REVERSE UMFPACK_LIBRARIES)