From 2120fed849e1d00724694a2c8a041ec5561c750b Mon Sep 17 00:00:00 2001 From: Gael Guennebaud Date: Sat, 23 Aug 2008 15:14:20 +0000 Subject: * bug fixes in: Dot, generalized eigen problem, singular matrix detetection in Cholesky * fix all numerical instabilies in the unit tests, now all tests can be run 2000 times with almost zero failures. --- cmake/FindGSL.cmake | 159 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 159 insertions(+) create mode 100644 cmake/FindGSL.cmake (limited to 'cmake/FindGSL.cmake') diff --git a/cmake/FindGSL.cmake b/cmake/FindGSL.cmake new file mode 100644 index 000000000..57509f774 --- /dev/null +++ b/cmake/FindGSL.cmake @@ -0,0 +1,159 @@ +# Try to find gnu scientific library GSL +# See +# http://www.gnu.org/software/gsl/ and +# http://gnuwin32.sourceforge.net/packages/gsl.htm +# +# Once run this will define: +# +# GSL_FOUND = system has GSL lib +# +# GSL_LIBRARIES = full path to the libraries +# on Unix/Linux with additional linker flags from "gsl-config --libs" +# +# CMAKE_GSL_CXX_FLAGS = Unix compiler flags for GSL, essentially "`gsl-config --cxxflags`" +# +# GSL_INCLUDE_DIR = where to find headers +# +# GSL_LINK_DIRECTORIES = link directories, useful for rpath on Unix +# GSL_EXE_LINKER_FLAGS = rpath on Unix +# +# Felix Woelk 07/2004 +# Jan Woetzel +# +# www.mip.informatik.uni-kiel.de +# -------------------------------- + +IF(WIN32) + # JW tested with gsl-1.8, Windows XP, MSVS 7.1 + SET(GSL_POSSIBLE_ROOT_DIRS + ${GSL_ROOT_DIR} + $ENV{GSL_ROOT_DIR} + ${GSL_DIR} + ${GSL_HOME} + $ENV{GSL_DIR} + $ENV{GSL_HOME} + $ENV{EXTRA} + "C:/Program Files/GnuWin32" + ) + FIND_PATH(GSL_INCLUDE_DIR + NAMES gsl/gsl_cdf.h gsl/gsl_randist.h + PATHS ${GSL_POSSIBLE_ROOT_DIRS} + PATH_SUFFIXES include + DOC "GSL header include dir" + ) + + FIND_LIBRARY(GSL_GSL_LIBRARY + NAMES libgsl.dll.a gsl libgsl + PATHS ${GSL_POSSIBLE_ROOT_DIRS} + PATH_SUFFIXES lib + DOC "GSL library" ) + + if(NOT GSL_GSL_LIBRARY) + FIND_FILE(GSL_GSL_LIBRARY + NAMES libgsl.dll.a + PATHS ${GSL_POSSIBLE_ROOT_DIRS} + PATH_SUFFIXES lib + DOC "GSL library") + endif(NOT GSL_GSL_LIBRARY) + + FIND_LIBRARY(GSL_GSLCBLAS_LIBRARY + NAMES libgslcblas.dll.a gslcblas libgslcblas + PATHS ${GSL_POSSIBLE_ROOT_DIRS} + PATH_SUFFIXES lib + DOC "GSL cblas library dir" ) + + if(NOT GSL_GSLCBLAS_LIBRARY) + FIND_FILE(GSL_GSLCBLAS_LIBRARY + NAMES libgslcblas.dll.a + PATHS ${GSL_POSSIBLE_ROOT_DIRS} + PATH_SUFFIXES lib + DOC "GSL library") + endif(NOT GSL_GSLCBLAS_LIBRARY) + + SET(GSL_LIBRARIES ${GSL_GSL_LIBRARY}) + + #MESSAGE("DBG\n" + # "GSL_GSL_LIBRARY=${GSL_GSL_LIBRARY}\n" + # "GSL_GSLCBLAS_LIBRARY=${GSL_GSLCBLAS_LIBRARY}\n" + # "GSL_LIBRARIES=${GSL_LIBRARIES}") + + +ELSE(WIN32) + + IF(UNIX) + SET(GSL_CONFIG_PREFER_PATH + "$ENV{GSL_DIR}/bin" + "$ENV{GSL_DIR}" + "$ENV{GSL_HOME}/bin" + "$ENV{GSL_HOME}" + CACHE STRING "preferred path to GSL (gsl-config)") + FIND_PROGRAM(GSL_CONFIG gsl-config + ${GSL_CONFIG_PREFER_PATH} + /usr/bin/ + ) + # MESSAGE("DBG GSL_CONFIG ${GSL_CONFIG}") + + IF (GSL_CONFIG) + # set CXXFLAGS to be fed into CXX_FLAGS by the user: + SET(GSL_CXX_FLAGS "`${GSL_CONFIG} --cflags`") + + # set INCLUDE_DIRS to prefix+include + EXEC_PROGRAM(${GSL_CONFIG} + ARGS --prefix + OUTPUT_VARIABLE GSL_PREFIX) + SET(GSL_INCLUDE_DIR ${GSL_PREFIX}/include CACHE STRING INTERNAL) + + # set link libraries and link flags + #SET(GSL_LIBRARIES "`${GSL_CONFIG} --libs`") + EXEC_PROGRAM(${GSL_CONFIG} + ARGS --libs + OUTPUT_VARIABLE GSL_LIBRARIES ) + + # extract link dirs for rpath + EXEC_PROGRAM(${GSL_CONFIG} + ARGS --libs + OUTPUT_VARIABLE GSL_CONFIG_LIBS ) + + # split off the link dirs (for rpath) + # use regular expression to match wildcard equivalent "-L*" + # with is a space or a semicolon + STRING(REGEX MATCHALL "[-][L]([^ ;])+" + GSL_LINK_DIRECTORIES_WITH_PREFIX + "${GSL_CONFIG_LIBS}" ) + # MESSAGE("DBG GSL_LINK_DIRECTORIES_WITH_PREFIX=${GSL_LINK_DIRECTORIES_WITH_PREFIX}") + + # remove prefix -L because we need the pure directory for LINK_DIRECTORIES + + IF (GSL_LINK_DIRECTORIES_WITH_PREFIX) + STRING(REGEX REPLACE "[-][L]" "" GSL_LINK_DIRECTORIES ${GSL_LINK_DIRECTORIES_WITH_PREFIX} ) + ENDIF (GSL_LINK_DIRECTORIES_WITH_PREFIX) + SET(GSL_EXE_LINKER_FLAGS "-Wl,-rpath,${GSL_LINK_DIRECTORIES}" CACHE STRING INTERNAL) + # MESSAGE("DBG GSL_LINK_DIRECTORIES=${GSL_LINK_DIRECTORIES}") + # MESSAGE("DBG GSL_EXE_LINKER_FLAGS=${GSL_EXE_LINKER_FLAGS}") + + # ADD_DEFINITIONS("-DHAVE_GSL") + # SET(GSL_DEFINITIONS "-DHAVE_GSL") + MARK_AS_ADVANCED( + GSL_CXX_FLAGS + GSL_INCLUDE_DIR + GSL_LIBRARIES + GSL_LINK_DIRECTORIES + GSL_DEFINITIONS + ) + MESSAGE(STATUS "Using GSL from ${GSL_PREFIX}") + + ELSE(GSL_CONFIG) + MESSAGE("FindGSL.cmake: gsl-config not found. Please set it manually. GSL_CONFIG=${GSL_CONFIG}") + ENDIF(GSL_CONFIG) + + ENDIF(UNIX) +ENDIF(WIN32) + + +IF(GSL_LIBRARIES) + IF(GSL_INCLUDE_DIR OR GSL_CXX_FLAGS) + + SET(GSL_FOUND 1) + + ENDIF(GSL_INCLUDE_DIR OR GSL_CXX_FLAGS) +ENDIF(GSL_LIBRARIES) -- cgit v1.2.3