1 | # |
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2 | # ORXONOX - the hottest 3D action shooter ever to exist |
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3 | # > www.orxonox.net < |
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4 | # |
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5 | # This program is free software; you can redistribute it and/or |
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6 | # modify it under the terms of the GNU General Public License |
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7 | # as published by the Free Software Foundation; either version 2 |
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8 | # of the License, or (at your option) any later version. |
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9 | # |
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10 | # This program is distributed in the hope that it will be useful, |
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11 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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13 | # GNU General Public License for more details. |
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14 | # |
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15 | # You should have received a copy of the GNU General Public License along |
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16 | # with this program; if not, write to the Free Software Foundation, |
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17 | # Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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18 | # |
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19 | # |
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20 | # Author: |
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21 | # Reto Grieder |
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22 | # Description: |
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23 | # Configures the header files OrxonoxConfig.h and SpecialConfig.h |
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24 | # and sets some other options. All the build related options should be |
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25 | # found and set here if possible. |
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26 | # |
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27 | |
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28 | #################### Options #################### |
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29 | |
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30 | # Use, i.e. don't skip the full RPATH for the build tree |
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31 | SET(CMAKE_SKIP_BUILD_RPATH FALSE) |
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32 | |
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33 | # Global switch to disable Precompiled Header Files |
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34 | IF(PCH_COMPILER_SUPPORT) |
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35 | OPTION(PCH_ENABLE "Global PCH switch" TRUE) |
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36 | ENDIF() |
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37 | |
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38 | # Global switch to disable multiple file compilations |
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39 | OPTION(DISABLE_COMPILATIONS "Global multi-file compilation switch" FALSE) |
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40 | |
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41 | # Use WinMain() or main()? |
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42 | IF(WIN32) |
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43 | OPTION(ORXONOX_USE_WINMAIN "Use WinMain (doesn't show console) or main" FALSE) |
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44 | ENDIF() |
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45 | |
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46 | ################ Platform Config ################ |
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47 | |
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48 | # Check endianness |
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49 | INCLUDE(TestBigEndian) |
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50 | TEST_BIG_ENDIAN(ORXONOX_BIG_ENDIAN) |
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51 | IF(NOT ORXONOX_BIG_ENDIAN) |
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52 | SET(ORXONOX_LITTLE_ENDIAN TRUE) |
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53 | ENDIF() |
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54 | |
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55 | # 32/64 bit system check |
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56 | IF(CMAKE_SIZEOF_VOID_P EQUAL 8) |
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57 | SET(ORXONOX_ARCH_64 TRUE) |
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58 | ELSE() |
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59 | SET(ORXONOX_ARCH_32 TRUE) |
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60 | ENDIF() |
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61 | |
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62 | # Platforms |
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63 | SET(ORXONOX_PLATFORM_WINDOWS ${WIN32}) |
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64 | SET(ORXONOX_PLATFORM_APPLE ${APPLE}) |
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65 | SET(ORXONOX_PLATFORM_UNIX ${UNIX}) |
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66 | IF(UNIX AND NOT APPLE) |
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67 | SET(ORXONOX_PLATFORM_LINUX TRUE) |
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68 | ENDIF() |
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69 | |
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70 | # Check __forceinline |
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71 | IF(MSVC) |
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72 | INCLUDE(CheckCXXSourceCompiles) |
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73 | SET(_source "int main() { return 0; } __forceinline void test() { return; }") |
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74 | CHECK_CXX_SOURCE_COMPILES("${_source}" HAVE_FORCEINLINE) |
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75 | ENDIF(MSVC) |
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76 | |
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77 | # Check iso646.h include (literal operators) |
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78 | INCLUDE(CheckIncludeFileCXX) |
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79 | CHECK_INCLUDE_FILE_CXX(iso646.h HAVE_ISO646_H) |
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80 | |
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81 | ############## Configured Headers ############### |
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82 | |
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83 | SET(GENERATED_FILE_COMMENT |
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84 | "DO NOT EDIT THIS FILE! <br> |
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85 | It has been automatically generated by CMake from OrxonoxConfig.h.in") |
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86 | # Copy and configure OrxonoxConfig which gets included in every file |
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87 | CONFIGURE_FILE(OrxonoxConfig.h.in ${CMAKE_CURRENT_BINARY_DIR}/OrxonoxConfig.h) |
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88 | # This file only gets included by very few classes to avoid a large recompilation |
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89 | CONFIGURE_FILE(SpecialConfig.h.in ${CMAKE_CURRENT_BINARY_DIR}/SpecialConfig.h) |
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90 | |
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91 | SET(ORXONOX_CONFIG_FILES |
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92 | ${CMAKE_CURRENT_BINARY_DIR}/OrxonoxConfig.h |
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93 | ${CMAKE_CURRENT_SOURCE_DIR}/OrxonoxConfig.h.in |
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94 | ${CMAKE_CURRENT_BINARY_DIR}/SpecialConfig.h |
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95 | ${CMAKE_CURRENT_SOURCE_DIR}/SpecialConfig.h.in |
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96 | ) |
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