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1 # - Check if a given library exists and have a specific function.
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2 # CFUNGE_CHECK_LIBRARY_FUNCTION(_target _library _function _location)
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3 #
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4 # _target - Build target to add the library for to link.
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5 # _library - Library to check for and then check for function in.
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6 # _function - Function name to check for.
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7 # _location - Location where the library should be found.
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8 #
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9 # The same variables as for CheckLibraryExists affect this macro.
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10 #
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11 # Will set CFUNGE_CHECKLIBFUNC_<library>_<function> (as CheckLibraryExists out variable).
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12 # Will #define HAVE_<function> if found.
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13 # Will set the variable CFUNGE_HAVE_<library>_<function> if found.
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14 # Will add the library to target_link_libraries() if found.
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15 #
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16
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17 # cfunge - A standard-conforming Befunge93/98/109 interpreter in C.
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18 # Copyright (C) 2008 Arvid Norlander <anmaster AT tele2 DOT se>
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19 #
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20 # This program is free software: you can redistribute it and/or modify
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21 # it under the terms of the GNU General Public License as published by
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22 # the Free Software Foundation, either version 3 of the License, or
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23 # (at the proxy's option) any later version. Arvid Norlander is a
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24 # proxy who can decide which future versions of the GNU General Public
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25 # License can be used.
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26 #
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27 # This program is distributed in the hope that it will be useful,
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28 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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29 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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30 # GNU General Public License for more details.
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31 #
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32 # You should have received a copy of the GNU General Public License
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33 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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34
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35 include(CheckLibraryExists)
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36
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37 macro(CFUNGE_CHECK_LIBRARY_FUNCTION _target _library _function _location)
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38 CHECK_LIBRARY_EXISTS(${_library} ${_function} ${_location} CFUNGE_CHECKLIBFUNC_${_library}_${_function})
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39 if (CFUNGE_CHECKLIBFUNC_${_library}_${_function})
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40 set(CFUNGE_HAVE_${_library}_${_function} true PARENT_SCOPE)
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41 add_definitions(-DHAVE_${_function})
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42 target_link_libraries(${_target} ${_library})
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43 endif (CFUNGE_CHECKLIBFUNC_${_library}_${_function})
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44 endmacro(CFUNGE_CHECK_LIBRARY_FUNCTION)
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