| # 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() |
| |
| 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() |
| |
| 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 ) |
| |
| # extract version |
| exec_program(${GSL_CONFIG} |
| ARGS --version |
| OUTPUT_VARIABLE GSL_FULL_VERSION ) |
| |
| # split version as major/minor |
| string(REGEX MATCH "(.)\\..*" GSL_VERSION_MAJOR_ "${GSL_FULL_VERSION}") |
| set(GSL_VERSION_MAJOR ${CMAKE_MATCH_1}) |
| string(REGEX MATCH ".\\.(.*)" GSL_VERSION_MINOR_ "${GSL_FULL_VERSION}") |
| set(GSL_VERSION_MINOR ${CMAKE_MATCH_1}) |
| |
| # split off the link dirs (for rpath) |
| # use regular expression to match wildcard equivalent "-L*<endchar>" |
| # with <endchar> is a space or a semicolon |
| string(REGEX MATCHALL "[-][L]([^ ;])+" |
| GSL_LINK_DIRECTORIES_WITH_PREFIX |
| "${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) |