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, MSVS 8.0 |
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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{EXTERN_LIBS_DIR}/gsl |
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36 | $ENV{EXTRA} |
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37 | # "C:/home/jw/source2/gsl-1.8" |
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38 | ) |
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39 | FIND_PATH(GSL_INCLUDE_DIR |
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40 | NAMES gsl/gsl_cdf.h gsl/gsl_randist.h |
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41 | PATHS ${GSL_POSSIBLE_ROOT_DIRS} |
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42 | PATH_SUFFIXES include |
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43 | DOC "GSL header include dir" |
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44 | ) |
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45 | |
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46 | FIND_LIBRARY(GSL_GSL_LIBRARY |
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47 | NAMES gsl libgsl |
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48 | PATHS ${GSL_POSSIBLE_ROOT_DIRS} |
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49 | PATH_SUFFIXES lib |
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50 | DOC "GSL library dir" ) |
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51 | |
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52 | FIND_LIBRARY(GSL_GSLCBLAS_LIBRARY |
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53 | NAMES gslcblas libgslcblas |
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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 cblas library dir" ) |
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57 | |
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58 | SET(GSL_LIBRARIES ${GSL_GSL_LIBRARY}) |
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59 | |
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60 | #MESSAGE("DBG\n" |
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61 | # "GSL_GSL_LIBRARY=${GSL_GSL_LIBRARY}\n" |
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62 | # "GSL_GSLCBLAS_LIBRARY=${GSL_GSLCBLAS_LIBRARY}\n" |
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63 | # "GSL_LIBRARIES=${GSL_LIBRARIES}") |
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64 | |
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65 | |
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66 | ELSE(WIN32) |
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67 | |
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68 | IF(UNIX) |
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69 | SET(GSL_CONFIG_PREFER_PATH |
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70 | "$ENV{GSL_DIR}/bin" |
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71 | "$ENV{GSL_DIR}" |
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72 | "$ENV{GSL_HOME}/bin" |
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73 | "$ENV{GSL_HOME}" |
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74 | CACHE STRING "preferred path to GSL (gsl-config)") |
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75 | FIND_PROGRAM(GSL_CONFIG gsl-config |
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76 | ${GSL_CONFIG_PREFER_PATH} |
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77 | /usr/bin/ |
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78 | ) |
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79 | # MESSAGE("DBG GSL_CONFIG ${GSL_CONFIG}") |
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80 | |
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81 | IF (GSL_CONFIG) |
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82 | |
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83 | MESSAGE(STATUS "GSL using gsl-config ${GSL_CONFIG}") |
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84 | # set CXXFLAGS to be fed into CXX_FLAGS by the user: |
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85 | EXEC_PROGRAM(${GSL_CONFIG} |
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86 | ARGS --cflags |
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87 | OUTPUT_VARIABLE GSL_CXX_FLAGS ) |
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88 | #SET(GSL_CXX_FLAGS "`${GSL_CONFIG} --cflags`") |
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89 | |
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90 | # set INCLUDE_DIRS to prefix+include |
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91 | EXEC_PROGRAM(${GSL_CONFIG} |
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92 | ARGS --prefix |
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93 | OUTPUT_VARIABLE GSL_PREFIX) |
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94 | SET(GSL_INCLUDE_DIR ${GSL_PREFIX}/include CACHE STRING INTERNAL) |
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95 | |
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96 | # set link libraries and link flags |
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97 | |
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98 | #SET(GSL_LIBRARIES "`${GSL_CONFIG} --libs`") |
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99 | |
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100 | # extract link dirs for rpath |
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101 | EXEC_PROGRAM(${GSL_CONFIG} |
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102 | ARGS --libs |
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103 | OUTPUT_VARIABLE GSL_CONFIG_LIBS ) |
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104 | SET(GSL_LIBRARIES "${GSL_CONFIG_LIBS}") |
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105 | |
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106 | # split off the link dirs (for rpath) |
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107 | # use regular expression to match wildcard equivalent "-L*" |
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108 | # with is a space or a semicolon |
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109 | STRING(REGEX MATCHALL "[-][L]([^ ;])+" |
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110 | GSL_LINK_DIRECTORIES_WITH_PREFIX |
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111 | "${GSL_CONFIG_LIBS}" ) |
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112 | # MESSAGE("DBG GSL_LINK_DIRECTORIES_WITH_PREFIX=${GSL_LINK_DIRECTORIES_WITH_PREFIX}") |
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113 | |
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114 | # remove prefix -L because we need the pure directory for LINK_DIRECTORIES |
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115 | |
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116 | IF (GSL_LINK_DIRECTORIES_WITH_PREFIX) |
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117 | STRING(REGEX REPLACE "[-][L]" "" GSL_LINK_DIRECTORIES ${GSL_LINK_DIRECTORIES_WITH_PREFIX} ) |
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118 | ENDIF (GSL_LINK_DIRECTORIES_WITH_PREFIX) |
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119 | SET(GSL_EXE_LINKER_FLAGS "-Wl,-rpath,${GSL_LINK_DIRECTORIES}" CACHE STRING INTERNAL) |
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120 | # MESSAGE("DBG GSL_LINK_DIRECTORIES=${GSL_LINK_DIRECTORIES}") |
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121 | # MESSAGE("DBG GSL_EXE_LINKER_FLAGS=${GSL_EXE_LINKER_FLAGS}") |
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122 | |
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123 | # ADD_DEFINITIONS("-DHAVE_GSL") |
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124 | # SET(GSL_DEFINITIONS "-DHAVE_GSL") |
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125 | MARK_AS_ADVANCED( |
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126 | GSL_CXX_FLAGS |
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127 | GSL_INCLUDE_DIR |
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128 | GSL_LIBRARIES |
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129 | GSL_LINK_DIRECTORIES |
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130 | GSL_DEFINITIONS |
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131 | ) |
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132 | MESSAGE(STATUS "Using GSL from ${GSL_PREFIX}") |
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133 | |
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134 | ELSE(GSL_CONFIG) |
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135 | |
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136 | INCLUDE(UsePkgConfig) #needed for PKGCONFIG(...) |
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137 | |
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138 | MESSAGE(STATUS "GSL using pkgconfig") |
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139 | # PKGCONFIG(gsl includedir libdir linkflags cflags) |
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140 | PKGCONFIG(gsl GSL_INCLUDE_DIR GSL_LINK_DIRECTORIES GSL_LIBRARIES GSL_CXX_FLAGS) |
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141 | IF(GSL_INCLUDE_DIR) |
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142 | MARK_AS_ADVANCED( |
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143 | GSL_CXX_FLAGS |
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144 | GSL_INCLUDE_DIR |
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145 | GSL_LIBRARIES |
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146 | GSL_LINK_DIRECTORIES |
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147 | ) |
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148 | |
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149 | ELSE(GSL_INCLUDE_DIR) |
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150 | MESSAGE("FindGSL.cmake: gsl-config/pkg-config gsl not found. Please set it manually. GSL_CONFIG=${GSL_CONFIG}") |
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151 | ENDIF(GSL_INCLUDE_DIR) |
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152 | |
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153 | ENDIF(GSL_CONFIG) |
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154 | |
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155 | ENDIF(UNIX) |
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156 | ENDIF(WIN32) |
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157 | |
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158 | |
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159 | IF(GSL_LIBRARIES) |
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160 | IF(GSL_INCLUDE_DIR OR GSL_CXX_FLAGS) |
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161 | |
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162 | SET(GSL_FOUND 1) |
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163 | |
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164 | ENDIF(GSL_INCLUDE_DIR OR GSL_CXX_FLAGS) |
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165 | ENDIF(GSL_LIBRARIES) |
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166 | |
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167 | |
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168 | # ========================================== |
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169 | IF(NOT GSL_FOUND) |
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170 | # make FIND_PACKAGE friendly |
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171 | IF(NOT GSL_FIND_QUIETLY) |
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172 | IF(GSL_FIND_REQUIRED) |
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173 | MESSAGE(FATAL_ERROR "GSL required, please specify it's location.") |
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174 | ELSE(GSL_FIND_REQUIRED) |
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175 | MESSAGE(STATUS "ERROR: GSL was not found.") |
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176 | ENDIF(GSL_FIND_REQUIRED) |
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177 | ENDIF(NOT GSL_FIND_QUIETLY) |
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178 | ENDIF(NOT GSL_FOUND) |
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