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1 ###############################################################################
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2 #
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3 # A generalized cmake file for developing cross-platform games.
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4 #
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5 # Copyright (C) 2010 Sarah Eris Horsley Caffee
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6 #
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7 # This is free software: you can redistribute it and/or modify
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8 # it under the terms of the GNU General Public License as published by
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9 # the Free Software Foundation, either version 3 of the License, or
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10 # (at your option) any later version.
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11 #
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12 # This program is distributed in the hope that it will be useful,
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 # GNU General Public License for more details.
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16 #
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17 # You should have received a copy of the GNU General Public License
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 #
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20 #
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21 # Instructions:
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22 # This cmake file assumes that your source files are laid in out in the
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23 # following manner:
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24 #
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25 # project_dir\ Top level directory of the project.
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26 # |---include\ Header files are here.
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27 # |---src\ Source files are here.
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28 # |---build\ Binaries/objects go here. Run cmake from here.
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29 # !---cmake\
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30 # | |---modules\ Custom cmake include files, if any, go here.
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31 # |---CMakeLists.txt This file.
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32 #
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33 # You may have more directories, of course, but these are assumed. You probably
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34 # want more than one build directory. I normally have build-linux\
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35 # and build-windows\ directories.
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36 #
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37 # Set the App_Name variable, below, to the name of your application and you
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38 # are ready to start. Run ccmake, or cmake-gui from within your build
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39 # directory, choose the options you need, such as enabling SDL, and you
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40 # should be good to go.
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41 #
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42 # You can uncomment the "SET (CMAKE_VERBOSE_MAKEFILE ON) command if you
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43 # need to debug the actual makefile that is generated.
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44 #
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45 # On windows, you may need to set the SDLDIR environment variable to the location
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46 # of your SDL installation before you run cmake-gui.
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47 #
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48 # When writing path names on Windows, such as when manually specifiying a
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49 # file or directory name, either use unix-style forward slashes '/' in the
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50 # path names or use double backslashes. If you use a single backslash as the
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51 # path name seperator, then cmake will interpret it as an esacpe sequence.
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52 # Thus, write "C:/source" or "C:\\source" instead of "C:\source". It's
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53 # probably best to use forward slashes in case to ever have a situation
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54 # where cmake needs to do recursive processing: each level of cmake will
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55 # strip out one of the slashes, so if there are two lev3els of cmake you
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56 # need to write \\\, three levels requires \\\\, etc.
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57 #
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58 # Note that some of the cmake support scripts that find libraries for you
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59 # can be controlled by environment variables. For example, you can set the
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60 # SDLDIR environment variable before running cmake in order to point to
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61 # a different version of SDL than your systems default copy. This is useful
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62 # for trying out cutting edge versions of libraries without installing them
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63 # system wide.
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64
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65 cmake_minimum_required (VERSION 2.6 FATAL_ERROR)
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66 #set (CMAKE_VERBOSE_MAKEFILE ON)
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67
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68 # Name your program!
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69 set (App_Name "")
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70 if (App_Name STREQUAL "")
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71 message (FATAL_ERROR "You must set the App_Name variable!")
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72 endif ()
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73
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74 # Every project must have a name.
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75 project (${App_Name})
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76
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77
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78 ################################################################################
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79 # Special options
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80
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81
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82 ################################################################################
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83 # Ensure that we are not building in our source directories.
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84
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85 set (Build_Dir_OK "TRUE")
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86 string (REGEX MATCH "^${CMAKE_SOURCE_DIR}" In_Sub_Dir ${CMAKE_BINARY_DIR})
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87 if (In_Sub_Dir)
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88 string (REGEX MATCH "^${CMAKE_SOURCE_DIR}/build" In_Build_Dir ${CMAKE_BINARY_DIR})
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89 if (NOT In_Build_Dir)
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90 set (Build_Dir_OK "FALSE")
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91 endif ()
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92 endif ()
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93
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94 if (NOT Build_Dir_OK)
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95 message (FATAL_ERROR "You must run cmake from a directory that is not in your source tree, or that is in a special subdirectory of the tree whose name begins with 'build'.")
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96 endif ()
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97
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98
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99 ################################################################################
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100 # Set up the basic build environment
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101 # A build type defines which options are passed to the compiler, and there are
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102 # several that CMake defines by default. It does not set one by default, though
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103 # so we need to set the build type manually here, and we are setting it to the
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104 # generally useful "Release with debug info"
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105
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106 if (CMAKE_BUILD_TYPE STREQUAL "")
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107 # CMake defaults to leaving CMAKE_BUILD_TYPE empty. This messes up
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108 # differentiation between debug and release builds.
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109 set (CMAKE_BUILD_TYPE "RelWithDebInfo" CACHE STRING "Choose the type of build, options are: None Debug Release RelWithDebInfo MinSizeRel." FORCE)
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110 endif ()
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111
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112
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113 ################################################################################
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114 # When using GCC turn on lots of warnings.
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115 # Some other options to consider:
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116 # C++ -Weffc++
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117 # C -std=gnu99 -std=c99
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118
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119 if (CMAKE_COMPILER_IS_GNUCXX)
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120 add_definitions(-pedantic -Wall)
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121 endif ()
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122
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123
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124 ################################################################################
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125
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126 option(Option_Profile_Program "Build for gprof profiling." OFF)
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127 if (Option_Profile_Program)
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128 add_definitions(-pg)
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129 set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -pg")
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130 endif ()
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131
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132
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133 ################################################################################
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134 # The core project files
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135
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136 file (GLOB SRCS src/*.c src/*.cpp)
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137 file (GLOB HDRS include/*.h include/*.hpp)
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138
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139 # The directories that contain the libraries we will be linking against.
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140 # This must come before the ADD_EXECUTABLE directive.
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141 link_directories (
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142 )
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143
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144 # The directories that contain the include files our programs use.
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145 # This must come before the ADD_EXECUTABLE directive.
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146 include_directories (
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147 ${CMAKE_SOURCE_DIR}/include
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148 )
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149
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150 # Define the executable program file we are creating. We must list all of
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151 # the source files.
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152 if (WIN32)
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153 add_executable (${App_Name} WIN32
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154 ${SRCS}
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155 ${HDRS}
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156 )
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157 else ()
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158 add_executable (${App_Name}
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159 ${SRCS}
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160 ${HDRS}
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161 )
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162 endif ()
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163
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164 # Although we listed the library directories above, we also need to list the
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165 # individual libraries we will be linking against.
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166 target_link_libraries (${App_Name}
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167 )
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168
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169
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170 # # An example for a unix library named utils with a test driver program.
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171
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172 # set (SRCS_utils
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173 # src/utils.cpp
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174 # include/utils.h
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175 # )
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176
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177 # include_directories (
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178 # ${PROJECT_SOURCE_DIR}/include
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179 # )
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180
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181 # # Build both static and shared libraries
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182 # # The target properties are needed because, by default, the output name
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183 # # will be the name in the add_library command, and we need to have different
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184 # # names in the two commands for the shared and static versions, even though
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185 # # we want the final files to have the same names with different extensions.
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186 # #
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187 # # The prefix is needed mostly in case we build on windows, which has no prefix
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188 # # by default.
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189 # #
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190 # # The clean_direct_output option makes sure that the two lib builds don't
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191 # # clobber each others temp files since they are being built from the same
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192 # # sources.
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193
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194 # add_library (utils SHARED
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195 # ${SRCS_utils}
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196 # )
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197 # set_target_properties (utils PROPERTIES OUTPUT_NAME "utils")
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198 # set_target_properties (utils PROPERTIES PREFIX "lib")
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199 # set_target_properties (utils PROPERTIES CLEAN_DIRECT_OUTPUT 1)
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200
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201 # add_library (utils-static STATIC
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202 # ${SRCS_utils}
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203 # )
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204 # set_target_properties (utils-static PROPERTIES OUTPUT_NAME "utils")
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205 # set_target_properties (utils-static PROPERTIES PREFIX "lib")
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206 # set_target_properties (utils-static PROPERTIES CLEAN_DIRECT_OUTPUT 1)
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207
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208 # # Build a test application.
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209
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210 # add_executable (test
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211 # src/main.cpp
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212 # )
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213
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214 # target_link_libraries (test
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215 # utils
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216 # )
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217
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218
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219 ################################################################################
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220 # X11
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221 #
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222 # Note that the FindX11.cmake package does _not_ include most X extensions
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223 # in the X11_LIBRARIES variable, although it does pick up their header files
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224 # in the X11_INCLUDE_DIR variable.
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225 #
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226 # To link a program with extensions, such as Xrandr, or Xv, you must manually
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227 # update the target_link_libraries to include the appropriate library variable.
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228 # ${X11_Xrandr_LIB} is an example. See the FindX11.cmake file for a complete
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229 # list of availble variables.
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230 #
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231
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232 option(Option_X11_Dev "Build an X11 Application." OFF)
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233
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234 if (Option_X11_Dev)
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235
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236 option(Option_Xrandr "Use Xrandr" OFF)
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237 option(Option_Xinerama "Use Xinerama" OFF)
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238
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239
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240 ########################################
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241 find_package(X11)
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242 if (NOT X11_FOUND)
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243 message (FATAL_ERROR "X11 not found!")
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244 endif ()
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245
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246 include_directories(
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247 ${X11_INCLUDE_DIR}
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248 ${INCLUDE_DIRECTORIES}
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249 )
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250
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251 target_link_libraries(${App_Name}
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252 ${X11_LIBRARIES}
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253 ${TARGET_LINK_LIBRARIES}
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254 )
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255
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256 ########################################
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257 if (Option_Xrandr)
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258 if (NOT X11_Xrandr_FOUND)
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259 message (FATAL_ERRO "Xrandr not found!")
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260 endif ()
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261 target_link_libraries(${App_Name}
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262 ${X11_Xrandr_LIB}
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263 ${TARGET_LINK_LIBRARIES}
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264 )
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265 endif ()
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266
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267 ########################################
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268 if (Option_Xinerama)
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269 if (NOT X11_Xinerama_FOUND)
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270 message (FATAL_ERRO "Xinerama not found!")
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271 endif ()
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272 target_link_libraries(${App_Name}
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273 ${X11_Xinerama_LIB}
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274 ${TARGET_LINK_LIBRARIES}
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275 )
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276 endif ()
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277
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278 endif ()
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279
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280 ################################################################################
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281 # SDL
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282 #
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283 # Enabling SDL support enables several suboptions to make some common SDL
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284 # extension libraries available as well.
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285 #
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286 # If any of the SDL libraries are not found automatically, you will need
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287 # to set the appropriate environment variables and rerun cmake. You will
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288 # need to remove the CMake cache before doing so.
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289
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290 # If you don't want to set actual environment variables before running
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291 # CMake, then uncomment the if block below and put in the actual
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292 # locations of your SDL installation.
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293
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294 option(Option_SDL_Dev "Build an SDL application." OFF)
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295
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296 if (Option_SDL_Dev)
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297
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298 # # Force SDL 1.3 only
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299 # if (WIN32)
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300 # set (ENV{SDLDIR} "c:/gamedev/deps/sdl/SDL-build")
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301 # else ()
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302 # set (ENV{SDLDIR} "/home/eris/gamedev/deps/sdl/SDL-build")
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303 # endif ()
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304 # add_definitions(-DSDL_NO_COMPAT)
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305
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306 # SDL base package
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307 # To use a version of SDL other than your systems default, set the SDLDIR
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308 # environment variable to the installation location of your preferred version.
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309 find_package (SDL)
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310 if (NOT SDL_FOUND)
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311 message (FATAL_ERROR "SDL not found!")
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312 endif (NOT SDL_FOUND)
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313 include_directories(
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314 ${SDL_INCLUDE_DIR}
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315 ${INCLUDE_DIRECTORIES}
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316 )
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317 target_link_libraries(${App_Name}
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318 ${SDL_LIBRARY}
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319 ${TARGET_LINK_LIBRARIES}
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320 )
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321
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322 # SDL_ttf
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323 # Environment variables SDLTTFDIR and SDLDIR will be checked in that order
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324 # and if set cmake will try to find SDL_ttf in the specified directory.
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325 option(Option_SDL_Dev_SDL_ttf "Use SDL_ttf." OFF)
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326 if (Option_SDL_Dev_SDL_ttf)
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327 find_package (SDL_ttf)
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328 if (NOT SDLTTF_FOUND)
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329 message (FATAL_ERROR "SDL_ttf not found!")
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330 endif (NOT SDLTTF_FOUND)
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331 include_directories(
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332 ${SDLTTF_INCLUDE_DIR}
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333 ${INCLUDE_DIRECTORIES}
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334 )
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335 target_link_libraries(${App_Name}
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336 ${SDLTTF_LIBRARY}
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337 ${TARGET_LINK_LIBRARIES}
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338 )
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discordia@0
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339 endif ()
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discordia@0
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340
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discordia@0
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341 # SDL_image
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342 # Environment variables SDLIMAGEDIR and SDLDIR will be checked in that order
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discordia@0
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343 # and if set cmake will try to find SDL_image in the specified directory.
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discordia@0
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344 option(Option_SDL_Dev_SDL_image "Use SDL_image." OFF)
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discordia@0
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345 if (Option_SDL_Dev_SDL_image)
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discordia@0
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346 find_package (SDL_image)
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discordia@0
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347 if (NOT SDLIMAGE_FOUND)
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discordia@0
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348 message (FATAL_ERROR "SDL_image not found!")
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discordia@0
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349 endif (NOT SDLIMAGE_FOUND)
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discordia@0
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350 include_directories(
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discordia@0
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351 ${SDLIMAGE_INCLUDE_DIR}
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discordia@0
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352 ${INCLUDE_DIRECTORIES}
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discordia@0
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353 )
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discordia@0
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354 target_link_libraries(${App_Name}
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discordia@0
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355 ${SDLIMAGE_LIBRARY}
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discordia@0
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356 ${TARGET_LINK_LIBRARIES}
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discordia@0
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357 )
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discordia@0
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358 endif ()
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discordia@0
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359
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discordia@0
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360 # SDL_mixer
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discordia@0
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361 # Environment variables SDLMIXERDIR and SDLDIR will be checked in that order
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discordia@0
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362 # and if set cmake will try to find SDL_mixer in the specified directory.
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discordia@0
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363 option(Option_SDL_Dev_SDL_mixer "Use SDL_mixer." OFF)
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discordia@0
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364 if (Option_SDL_Dev_SDL_mixer)
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discordia@0
|
365 find_package (SDL_mixer)
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discordia@0
|
366 if (NOT SDLMIXER_FOUND)
|
discordia@0
|
367 message (FATAL_ERROR "SDL_mixer not found!")
|
discordia@0
|
368 endif (NOT SDLMIXER_FOUND)
|
discordia@0
|
369 include_directories(
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discordia@0
|
370 ${SDLMIXER_INCLUDE_DIR}
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discordia@0
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371 ${INCLUDE_DIRECTORIES}
|
discordia@0
|
372 )
|
discordia@0
|
373 target_link_libraries(${App_Name}
|
discordia@0
|
374 ${SDLMIXER_LIBRARY}
|
discordia@0
|
375 ${TARGET_LINK_LIBRARIES}
|
discordia@0
|
376 )
|
discordia@0
|
377 endif ()
|
discordia@0
|
378
|
discordia@0
|
379 # SDL_net
|
discordia@0
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380 # Environment variables SDLNETDIR and SDLDIR will be checked in that order
|
discordia@0
|
381 # and if set cmake will try to find SDL_net in the specified directory.
|
discordia@0
|
382 option(Option_SDL_Dev_SDL_net "Use SDL_net." OFF)
|
discordia@0
|
383 if (Option_SDL_Dev_SDL_net)
|
discordia@0
|
384 find_package (SDL_net)
|
discordia@0
|
385 if (NOT SDLNET_FOUND)
|
discordia@0
|
386 message (FATAL_ERROR "SDL_net not found!")
|
discordia@0
|
387 endif (NOT SDLNET_FOUND)
|
discordia@0
|
388 include_directories(
|
discordia@0
|
389 ${SDLNET_INCLUDE_DIR}
|
discordia@0
|
390 ${INCLUDE_DIRECTORIES}
|
discordia@0
|
391 )
|
discordia@0
|
392 target_link_libraries(${App_Name}
|
discordia@0
|
393 ${SDLNET_LIBRARY}
|
discordia@0
|
394 ${TARGET_LINK_LIBRARIES}
|
discordia@0
|
395 )
|
discordia@0
|
396 endif ()
|
discordia@0
|
397
|
discordia@0
|
398 endif (Option_SDL_Dev)
|
discordia@0
|
399
|
discordia@0
|
400
|
discordia@0
|
401 ################################################################################
|
discordia@0
|
402
|
discordia@0
|
403 option(Option_OpenGL_Dev "Build an OpenGL Application." OFF)
|
discordia@0
|
404
|
discordia@0
|
405 if (Option_OpenGL_Dev)
|
discordia@0
|
406
|
discordia@0
|
407 find_package(OpenGL)
|
discordia@0
|
408
|
discordia@0
|
409 include_directories(
|
discordia@0
|
410 ${OpenGL_INCLUDE_DIR}
|
discordia@0
|
411 ${INCLUDE_DIRECTORIES}
|
discordia@0
|
412 )
|
discordia@0
|
413
|
discordia@0
|
414 target_link_libraries(${App_Name}
|
discordia@0
|
415 ${OpenGL_LIBRARIES}
|
discordia@0
|
416 ${TARGET_LINK_LIBRARIES}
|
discordia@0
|
417 )
|
discordia@0
|
418
|
discordia@0
|
419 endif ()
|
discordia@0
|
420
|
discordia@0
|
421 ################################################################################
|
discordia@0
|
422
|
discordia@0
|
423 option(Option_OpenAL_Dev "Build an OpenAL Application." OFF)
|
discordia@0
|
424
|
discordia@0
|
425 if (Option_OpenAL_Dev)
|
discordia@0
|
426 find_package(OpenAL)
|
discordia@0
|
427
|
discordia@0
|
428 include_directories(
|
discordia@0
|
429 ${OpenAL_INCLUDE_DIR}
|
discordia@0
|
430 ${INCLUDE_DIRECTORIES}
|
discordia@0
|
431 )
|
discordia@0
|
432
|
discordia@0
|
433 target_link_libraries(${App_Name}
|
discordia@0
|
434 ${OpenAL_LIBRARIES}
|
discordia@0
|
435 ${TARGET_LINK_LIBRARIES}
|
discordia@0
|
436 )
|
discordia@0
|
437
|
discordia@0
|
438 endif ()
|
discordia@0
|
439
|
discordia@0
|
440 ################################################################################
|