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Irccd: server style and cleanup
author David Demelier <markand@malikania.fr>
date Thu, 19 Jul 2018 12:54:00 +0200
parents a17de53db29b
children 28f493661157
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1 #
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2 # Config.cmake -- CMake build system for irccd
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3 #
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4 # Copyright (c) 2013-2018 David Demelier <markand@malikania.fr>
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5 #
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6 # Permission to use, copy, modify, and/or distribute this software for any
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7 # purpose with or without fee is hereby granted, provided that the above
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8 # copyright notice and this permission notice appear in all copies.
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9 #
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10 # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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11 # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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12 # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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13 # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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14 # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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15 # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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16 # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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17 #
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18
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19 include(CheckFunctionExists)
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20 include(CheckIncludeFile)
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21 include(CheckStructHasMember)
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22 include(CheckSymbolExists)
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23 include(CheckTypeSize)
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24
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25 #
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26 # Global compile flags.
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27 # -------------------------------------------------------------------
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28 #
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29
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30 #
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31 # Recent versions of CMake has nice C++ feature detection for modern
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32 # C++ but they are still a bit buggy so we use this
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33 # instead.
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34 #
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35 if (CMAKE_CXX_COMPILER_ID MATCHES "GNU")
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36 #
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37 # For GCC, we require at least GCC 5.1
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38 #
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39 if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS "5.1")
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40 message(FATAL_ERROR "You need at least GCC 5.1")
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41 endif ()
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42
207
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43 set(CMAKE_CXX_FLAGS "-Wall -Wextra -std=c++14 ${CMAKE_CXX_FLAGS}")
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44 elseif (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
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45 #
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46 # LLVM/clang implemented C++14 starting from version 3.4 but the
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47 # switch -std=c++14 was not available.
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48 #
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49 if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS "3.4")
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50 message(FATAL_ERROR "You need at least Clang 3.4")
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51 endif ()
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52
207
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53 if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS "3.5")
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54 set(CMAKE_CXX_FLAGS "-Wall -Wextra -std=c++1y ${CMAKE_CXX_FLAGS}")
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55 else ()
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56 set(CMAKE_CXX_FLAGS "-Wall -Wextra -std=c++14 ${CMAKE_CXX_FLAGS}")
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57 endif ()
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58 elseif (MSVC14)
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59 set(CMAKE_C_FLAGS "/DWIN32_LEAN_AND_MEAN /DNOMINMAX /wd4267 /wd4800 /D_CRT_SECURE_NO_WARNINGS ${CMAKE_C_FLAGS}")
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60 set(CMAKE_CXX_FLAGS "/DWIN32_LEAN_AND_MEAN /DNOMINMAX /wd4267 /wd4800 /D_CRT_SECURE_NO_WARNINGS /EHsc ${CMAKE_CXX_FLAGS}")
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61 else ()
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62 message(WARNING "Unsupported ${CMAKE_CXX_COMPILER_ID}, may not build correctly.")
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63 endif ()
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64
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65 if (MINGW)
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66 set(CMAKE_CXX_FLAGS "-D_WIN32_WINNT=0x0600 ${CMAKE_CXX_FLAGS}")
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67 endif ()
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68
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69 if (CMAKE_SIZEOF_VOID_P MATCHES "8")
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70 set(IRCCD_64BITS TRUE)
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71 else ()
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72 set(IRCCD_64BITS FALSE)
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73 endif ()
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74
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75 #
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76 # Portability requirements.
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77 # -------------------------------------------------------------------
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78 #
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79
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80 check_type_size(int8_t HAVE_INT8)
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81 check_type_size(uint8_t HAVE_UINT8)
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82 check_type_size(int16_t HAVE_INT16)
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83 check_type_size(uint16_t HAVE_UINT16)
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84 check_type_size(int32_t HAVE_INT32)
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85 check_type_size(uint32_t HAVE_UINT32)
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86 check_type_size(int64_t HAVE_INT64)
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87 check_type_size(uint64_t HAVE_UINT64)
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88
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89 if (NOT HAVE_STDINT_H)
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90 message("irccd requires stdint.h or cstdint header")
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91 endif ()
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92
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93 #
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94 # Where any of these function / feature is required, include the <irccd/sysconfig.h> file.
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95 #
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96 # The following variables are defined in irccd/sysconfig.h
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97 #
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98 # HAVE_GETLOGIN True if getlogin(3) function (and unistd.h)
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99 # HAVE_POPEN True if has popen(3) function (in stdio.h)
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100 # HAVE_SETPROGNAME True if setprogname(3) is available from C library,
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101 # HAVE_STAT True if has stat(2) function (and sys/types.h and sys/stat.h),
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102 # HAVE_STAT_ST_DEV The struct stat has st_dev field,
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103 # HAVE_STAT_ST_INO The struct stat has st_ino field,
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104 # HAVE_STAT_ST_NLINK The struct stat has st_nlink field,
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105 # HAVE_STAT_ST_UID The struct stat has st_uid field,
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106 # HAVE_STAT_ST_GID The struct stat has st_gid field,
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107 # HAVE_STAT_ST_ATIME The struct stat has st_atime field,
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108 # HAVE_STAT_ST_MTIME The struct stat has st_mtime field,
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109 # HAVE_STAT_ST_CTIME The struct stat has st_ctime field,
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110 # HAVE_STAT_ST_SIZE The struct stat has st_size field,
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111 # HAVE_STAT_ST_BLKSIZE The struct stat has st_blksize field,
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112 # HAVE_STAT_ST_BLOCKS The struct stat has st_blocks field,
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113 # HAVE_SYSLOG True if syslog functions are available (and syslog.h),
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114 #
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115
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116 # Check for unistd.h
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117 check_include_file(unistd.h HAVE_UNISTD_H)
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118
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119 # Check for sys/types.h
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120 check_include_file(sys/types.h HAVE_SYS_TYPES_H)
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121
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122 # Check of setprogname(3) function, include:
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123 #
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124 # #include <cstdlib>
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125 check_function_exists(setprogname HAVE_SETPROGNAME)
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126
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127 # getlogin() function
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128 #
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129 # If HAVE_GETLOGIN is defined, include:
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130 #
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131 # #include <unistd.h>
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132 check_function_exists(getlogin HAVE_GETLOGIN)
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133
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134 if (NOT HAVE_UNISTD_H)
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135 set(HAVE_GETLOGIN FALSE)
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136 endif ()
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137
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138 # popen() function
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139 #
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140 # If HAVE_POPEN is defined, include;
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141 #
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142 # #include <cstdio>
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143 check_function_exists(popen HAVE_POPEN)
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144
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145 # stat(2) function
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146 #
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147 # If HAVE_STAT is defined, include:
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148 #
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149 # #include <sys/types.h>
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150 # #include <sys/stat.h>
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151 check_include_file(sys/stat.h HAVE_SYS_STAT_H)
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152 check_function_exists(stat HAVE_STAT)
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153
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154 # If the sys/stat.h is not found, we disable stat(2)
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155 if (NOT HAVE_SYS_STAT_H OR NOT HAVE_SYS_TYPES_H)
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156 set(HAVE_STAT FALSE)
0
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157 endif ()
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158
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159 # syslog functions
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160 #
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161 # If HAVE_SYSLOG is defined, include:
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162 #
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163 # #include <syslog.h>
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164 check_include_file(syslog.h HAVE_SYSLOG_H)
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165 check_function_exists(openlog HAVE_OPENLOG)
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166 check_function_exists(syslog HAVE_SYSLOG)
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167 check_function_exists(closelog HAVE_CLOSELOG)
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168
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169 if (NOT HAVE_SYSLOG_H OR NOT HAVE_OPENLOG OR NOT HAVE_CLOSELOG)
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170 set(HAVE_SYSLOG FALSE)
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171 endif ()
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172
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173 # Check for struct stat fields.
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174 check_struct_has_member("struct stat" st_atime sys/stat.h HAVE_STAT_ST_ATIME)
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175 check_struct_has_member("struct stat" st_blksize sys/stat.h HAVE_STAT_ST_BLKSIZE)
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176 check_struct_has_member("struct stat" st_blocks sys/stat.h HAVE_STAT_ST_BLOCKS)
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177 check_struct_has_member("struct stat" st_ctime sys/stat.h HAVE_STAT_ST_CTIME)
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178 check_struct_has_member("struct stat" st_dev sys/stat.h HAVE_STAT_ST_DEV)
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179 check_struct_has_member("struct stat" st_gid sys/stat.h HAVE_STAT_ST_GID)
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180 check_struct_has_member("struct stat" st_ino sys/stat.h HAVE_STAT_ST_INO)
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181 check_struct_has_member("struct stat" st_mode sys/stat.h HAVE_STAT_ST_MODE)
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182 check_struct_has_member("struct stat" st_mtime sys/stat.h HAVE_STAT_ST_MTIME)
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183 check_struct_has_member("struct stat" st_nlink sys/stat.h HAVE_STAT_ST_NLINK)
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184 check_struct_has_member("struct stat" st_rdev sys/stat.h HAVE_STAT_ST_RDEV)
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185 check_struct_has_member("struct stat" st_size sys/stat.h HAVE_STAT_ST_SIZE)
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186 check_struct_has_member("struct stat" st_uid sys/stat.h HAVE_STAT_ST_UID)
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187
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188 # Configuration file.
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189 file(MAKE_DIRECTORY ${CMAKE_BINARY_DIR}/irccd)
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190
0
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191 configure_file(
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192 ${CMAKE_CURRENT_LIST_DIR}/internal/sysconfig.hpp.in
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193 ${CMAKE_BINARY_DIR}/irccd/sysconfig.hpp
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194 )
485
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195
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196 include_directories(
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197 ${CMAKE_BINARY_DIR}
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198 ${CMAKE_BINARY_DIR}/irccd
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199 )
710
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200
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201 install(
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202 FILES ${CMAKE_BINARY_DIR}/irccd/sysconfig.hpp
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203 DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/irccd
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204 )