| 1 | # Try to find gnu scientific library GSL
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| 2 | # See
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| 3 | # http://www.gnu.org/software/gsl/ and
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| 4 | # http://gnuwin32.sourceforge.net/packages/gsl.htm
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| 5 | #
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| 6 | # Once run this will define:
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| 7 | #
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| 8 | # GSL_FOUND = system has GSL lib
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| 9 | #
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| 10 | # GSL_LIBRARIES = full path to the libraries
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| 11 | # on Unix/Linux with additional linker flags from "gsl-config --libs"
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| 12 | #
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| 13 | # CMAKE_GSL_CXX_FLAGS = Unix compiler flags for GSL, essentially "`gsl-config --cxxflags`"
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| 14 | #
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| 15 | # GSL_INCLUDE_DIR = where to find headers
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| 16 | #
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| 17 | # GSL_LINK_DIRECTORIES = link directories, useful for rpath on Unix
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| 18 | # GSL_EXE_LINKER_FLAGS = rpath on Unix
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| 19 | #
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| 20 | # Felix Woelk 07/2004
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| 21 | # Jan Woetzel
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| 22 | #
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| 23 | # www.mip.informatik.uni-kiel.de
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| 24 | # --------------------------------
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| 25 |
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| 26 | IF(WIN32)
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| 27 | # JW tested with gsl-1.8, Windows XP, MSVS 7.1
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| 28 | SET(GSL_POSSIBLE_ROOT_DIRS
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| 29 | ${GSL_ROOT_DIR}
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| 30 | $ENV{GSL_ROOT_DIR}
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| 31 | ${GSL_DIR}
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| 32 | ${GSL_HOME}
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| 33 | $ENV{GSL_DIR}
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| 34 | $ENV{GSL_HOME}
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| 35 | $ENV{EXTRA}
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| 36 | "C:/Program Files/GnuWin32"
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| 37 | )
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| 38 | FIND_PATH(GSL_INCLUDE_DIR
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| 39 | NAMES gsl/gsl_cdf.h gsl/gsl_randist.h
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| 40 | PATHS ${GSL_POSSIBLE_ROOT_DIRS}
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| 41 | PATH_SUFFIXES include
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| 42 | DOC "GSL header include dir"
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| 43 | )
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| 44 |
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| 45 | FIND_LIBRARY(GSL_GSL_LIBRARY
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| 46 | NAMES libgsl.dll.a gsl libgsl
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| 47 | PATHS ${GSL_POSSIBLE_ROOT_DIRS}
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| 48 | PATH_SUFFIXES lib
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| 49 | DOC "GSL library" )
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| 50 |
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| 51 | if(NOT GSL_GSL_LIBRARY)
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| 52 | FIND_FILE(GSL_GSL_LIBRARY
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| 53 | NAMES libgsl.dll.a
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| 54 | PATHS ${GSL_POSSIBLE_ROOT_DIRS}
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| 55 | PATH_SUFFIXES lib
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| 56 | DOC "GSL library")
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| 57 | endif(NOT GSL_GSL_LIBRARY)
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| 58 |
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| 59 | FIND_LIBRARY(GSL_GSLCBLAS_LIBRARY
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| 60 | NAMES libgslcblas.dll.a gslcblas libgslcblas
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| 61 | PATHS ${GSL_POSSIBLE_ROOT_DIRS}
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| 62 | PATH_SUFFIXES lib
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| 63 | DOC "GSL cblas library dir" )
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| 64 |
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| 65 | if(NOT GSL_GSLCBLAS_LIBRARY)
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| 66 | FIND_FILE(GSL_GSLCBLAS_LIBRARY
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| 67 | NAMES libgslcblas.dll.a
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| 68 | PATHS ${GSL_POSSIBLE_ROOT_DIRS}
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| 69 | PATH_SUFFIXES lib
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| 70 | DOC "GSL library")
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| 71 | endif(NOT GSL_GSLCBLAS_LIBRARY)
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| 72 |
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| 73 | SET(GSL_LIBRARIES ${GSL_GSL_LIBRARY})
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| 74 |
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| 75 | #MESSAGE("DBG\n"
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| 76 | # "GSL_GSL_LIBRARY=${GSL_GSL_LIBRARY}\n"
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| 77 | # "GSL_GSLCBLAS_LIBRARY=${GSL_GSLCBLAS_LIBRARY}\n"
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| 78 | # "GSL_LIBRARIES=${GSL_LIBRARIES}")
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| 79 |
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| 80 |
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| 81 | ELSE(WIN32)
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| 82 |
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| 83 | IF(UNIX)
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| 84 | SET(GSL_CONFIG_PREFER_PATH
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| 85 | "$ENV{GSL_DIR}/bin"
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| 86 | "$ENV{GSL_DIR}"
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| 87 | "$ENV{GSL_HOME}/bin"
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| 88 | "$ENV{GSL_HOME}"
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| 89 | CACHE STRING "preferred path to GSL (gsl-config)")
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| 90 | FIND_PROGRAM(GSL_CONFIG gsl-config
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| 91 | ${GSL_CONFIG_PREFER_PATH}
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| 92 | /usr/bin/
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| 93 | )
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| 94 | # MESSAGE("DBG GSL_CONFIG ${GSL_CONFIG}")
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| 95 |
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| 96 | IF (GSL_CONFIG)
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| 97 | # set CXXFLAGS to be fed into CXX_FLAGS by the user:
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| 98 | SET(GSL_CXX_FLAGS "`${GSL_CONFIG} --cflags`")
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| 99 |
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| 100 | # set INCLUDE_DIRS to prefix+include
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| 101 | EXEC_PROGRAM(${GSL_CONFIG}
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| 102 | ARGS --prefix
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| 103 | OUTPUT_VARIABLE GSL_PREFIX)
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| 104 | SET(GSL_INCLUDE_DIR ${GSL_PREFIX}/include CACHE STRING INTERNAL)
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| 105 |
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| 106 | # set link libraries and link flags
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| 107 | #SET(GSL_LIBRARIES "`${GSL_CONFIG} --libs`")
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| 108 | EXEC_PROGRAM(${GSL_CONFIG}
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| 109 | ARGS --libs
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| 110 | OUTPUT_VARIABLE GSL_LIBRARIES )
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| 111 |
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| 112 | # extract link dirs for rpath
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| 113 | EXEC_PROGRAM(${GSL_CONFIG}
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| 114 | ARGS --libs
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| 115 | OUTPUT_VARIABLE GSL_CONFIG_LIBS )
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| 116 |
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| 117 | # extract version
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| 118 | EXEC_PROGRAM(${GSL_CONFIG}
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| 119 | ARGS --version
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| 120 | OUTPUT_VARIABLE GSL_FULL_VERSION )
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| 121 |
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| 122 | # split version as major/minor
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| 123 | STRING(REGEX MATCH "(.)\\..*" GSL_VERSION_MAJOR_ "${GSL_FULL_VERSION}")
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| 124 | SET(GSL_VERSION_MAJOR ${CMAKE_MATCH_1})
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| 125 | STRING(REGEX MATCH ".\\.(.*)" GSL_VERSION_MINOR_ "${GSL_FULL_VERSION}")
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| 126 | SET(GSL_VERSION_MINOR ${CMAKE_MATCH_1})
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| 127 |
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| 128 | # split off the link dirs (for rpath)
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| 129 | # use regular expression to match wildcard equivalent "-L*<endchar>"
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| 130 | # with <endchar> is a space or a semicolon
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| 131 | STRING(REGEX MATCHALL "[-][L]([^ ;])+"
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| 132 | GSL_LINK_DIRECTORIES_WITH_PREFIX
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| 133 | "${GSL_CONFIG_LIBS}" )
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| 134 | # MESSAGE("DBG GSL_LINK_DIRECTORIES_WITH_PREFIX=${GSL_LINK_DIRECTORIES_WITH_PREFIX}")
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| 135 |
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| 136 | # remove prefix -L because we need the pure directory for LINK_DIRECTORIES
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| 137 |
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| 138 | IF (GSL_LINK_DIRECTORIES_WITH_PREFIX)
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| 139 | STRING(REGEX REPLACE "[-][L]" "" GSL_LINK_DIRECTORIES ${GSL_LINK_DIRECTORIES_WITH_PREFIX} )
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| 140 | ENDIF (GSL_LINK_DIRECTORIES_WITH_PREFIX)
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| 141 | SET(GSL_EXE_LINKER_FLAGS "-Wl,-rpath,${GSL_LINK_DIRECTORIES}" CACHE STRING INTERNAL)
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| 142 | # MESSAGE("DBG GSL_LINK_DIRECTORIES=${GSL_LINK_DIRECTORIES}")
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| 143 | # MESSAGE("DBG GSL_EXE_LINKER_FLAGS=${GSL_EXE_LINKER_FLAGS}")
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| 144 |
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| 145 | # ADD_DEFINITIONS("-DHAVE_GSL")
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| 146 | # SET(GSL_DEFINITIONS "-DHAVE_GSL")
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| 147 | MARK_AS_ADVANCED(
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| 148 | GSL_CXX_FLAGS
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| 149 | GSL_INCLUDE_DIR
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| 150 | GSL_LIBRARIES
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| 151 | GSL_LINK_DIRECTORIES
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| 152 | GSL_DEFINITIONS
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| 153 | )
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| 154 | MESSAGE(STATUS "Using GSL from ${GSL_PREFIX}")
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| 155 |
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| 156 | ELSE(GSL_CONFIG)
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| 157 | MESSAGE("FindGSL.cmake: gsl-config not found. Please set it manually. GSL_CONFIG=${GSL_CONFIG}")
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| 158 | ENDIF(GSL_CONFIG)
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| 159 |
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| 160 | ENDIF(UNIX)
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| 161 | ENDIF(WIN32)
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| 162 |
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| 163 |
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| 164 | IF(GSL_LIBRARIES)
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| 165 | IF(GSL_INCLUDE_DIR OR GSL_CXX_FLAGS)
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| 166 |
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| 167 | SET(GSL_FOUND 1)
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| 168 |
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| 169 | ENDIF(GSL_INCLUDE_DIR OR GSL_CXX_FLAGS)
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| 170 | ENDIF(GSL_LIBRARIES)
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