1 | // |
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2 | // Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo |
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3 | // |
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4 | // The contents of this file are covered under the licence agreement in the |
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5 | // file "LICENCE" distributed with Cforall. |
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6 | // |
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7 | // cfa.cc -- |
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8 | // |
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9 | // Author : Peter A. Buhr |
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10 | // Created On : Tue Aug 20 13:44:49 2002 |
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11 | // Last Modified By : Peter A. Buhr |
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12 | // Last Modified On : Mon May 14 14:16:33 2018 |
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13 | // Update Count : 244 |
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14 | // |
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15 | |
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16 | #include <iostream> |
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17 | #include <cstdio> // perror |
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18 | #include <cstdlib> // putenv, exit |
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19 | #include <unistd.h> // execvp |
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20 | #include <string> // STL version |
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21 | #include <string.h> // strcmp |
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22 | |
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23 | #include "Common/SemanticError.h" |
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24 | #include "config.h" // configure info |
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25 | |
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26 | using std::cerr; |
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27 | using std::endl; |
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28 | using std::string; |
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29 | using std::to_string; |
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30 | |
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31 | |
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32 | //#define __DEBUG_H__ |
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33 | |
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34 | |
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35 | bool prefix( string arg, string pre ) { |
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36 | return arg.substr( 0, pre.size() ) == pre; |
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37 | } // prefix |
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38 | |
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39 | |
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40 | void shuffle( const char *args[], int S, int E, int N ) { |
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41 | // S & E index 1 passed the end so adjust with -1 |
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42 | #ifdef __DEBUG_H__ |
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43 | cerr << "shuffle:" << S << " " << E << " " << N << endl; |
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44 | #endif // __DEBUG_H__ |
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45 | for ( int j = E-1 + N; j > S-1 + N; j -=1 ) { |
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46 | #ifdef __DEBUG_H__ |
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47 | cerr << "\t" << j << " " << j-N << endl; |
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48 | #endif // __DEBUG_H__ |
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49 | args[j] = args[j-N]; |
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50 | } // for |
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51 | } // shuffle |
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52 | |
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53 | |
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54 | #define str(s) #s |
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55 | |
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56 | int main( int argc, char *argv[] ) { |
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57 | string Version( CFA_VERSION_LONG ); // current version number from CONFIG |
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58 | string Major( str( CFA_VERSION_MAJOR ) ), Minor( str( CFA_VERSION_MINOR ) ), Patch( str( CFA_VERSION_PATCH ) ); |
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59 | |
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60 | string installincdir( CFA_INCDIR ); // fixed location of include files |
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61 | string installlibdir( CFA_LIBDIR ); // fixed location of cc1 and cfa-cpp commands |
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62 | |
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63 | string heading; // banner printed at start of cfa compilation |
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64 | string arg; // current command-line argument during command-line parsing |
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65 | string Bprefix; // path where gcc looks for compiler command steps |
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66 | string langstd; // language standard |
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67 | |
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68 | string compiler_path( CFA_BACKEND_CC ); // path/name of C compiler |
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69 | string compiler_name; // name of C compiler |
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70 | |
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71 | bool nonoptarg = false; // indicates non-option argument specified |
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72 | bool link = true; // linking as well as compiling |
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73 | bool verbose = false; // -v flag |
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74 | bool quiet = false; // -quiet flag |
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75 | bool debug = true; // -debug flag |
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76 | bool help = false; // -help flag |
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77 | bool CFA_flag = false; // -CFA flag |
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78 | bool cpp_flag = false; // -E or -M flag, preprocessor only |
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79 | bool std_flag = false; // -std= flag |
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80 | bool noincstd_flag = false; // -no-include-stdhdr= flag |
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81 | bool debugging __attribute(( unused )) = false; // -g flag |
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82 | |
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83 | const char *args[argc + 100]; // cfa command line values, plus some space for additional flags |
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84 | int sargs = 1; // starting location for arguments in args list |
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85 | int nargs = sargs; // number of arguments in args list; 0 => command name |
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86 | |
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87 | const char *libs[argc + 20]; // non-user libraries must come separately, plus some added libraries and flags |
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88 | int nlibs = 0; |
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89 | |
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90 | #ifdef __DEBUG_H__ |
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91 | cerr << "CFA:" << endl; |
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92 | #endif // __DEBUG_H__ |
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93 | |
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94 | // process command-line arguments |
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95 | |
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96 | for ( int i = 1; i < argc; i += 1 ) { |
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97 | #ifdef __DEBUG_H__ |
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98 | cerr << "argv[" << i << "]:\"" << argv[i] << "\"" << endl; |
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99 | #endif // __DEBUG_H__ |
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100 | arg = argv[i]; // convert to string value |
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101 | #ifdef __DEBUG_H__ |
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102 | cerr << "arg:\"" << arg << "\"" << endl; |
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103 | #endif // __DEBUG_H__ |
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104 | if ( prefix( arg, "-" ) ) { |
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105 | // pass through arguments |
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106 | |
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107 | if ( arg == "-Xlinker" || arg == "-o" ) { |
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108 | args[nargs] = argv[i]; // pass the argument along |
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109 | nargs += 1; |
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110 | i += 1; |
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111 | if ( i == argc ) continue; // next argument available ? |
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112 | args[nargs] = argv[i]; // pass the argument along |
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113 | nargs += 1; |
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114 | } else if ( arg == "-XCFA" ) { // CFA pass through |
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115 | i += 1; |
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116 | args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + argv[i] ) ).c_str(); |
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117 | nargs += 1; |
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118 | |
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119 | // CFA specific arguments |
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120 | |
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121 | } else if ( arg == "-CFA" ) { |
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122 | CFA_flag = true; // strip the -CFA flag |
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123 | link = false; |
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124 | args[nargs] = "-E"; // replace the argument with -E |
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125 | nargs += 1; |
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126 | } else if ( arg == "-debug" ) { |
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127 | debug = true; // strip the debug flag |
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128 | } else if ( arg == "-nodebug" ) { |
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129 | debug = false; // strip the nodebug flag |
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130 | } else if ( arg == "-quiet" ) { |
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131 | quiet = true; // strip the quiet flag |
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132 | } else if ( arg == "-noquiet" ) { |
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133 | quiet = false; // strip the noquiet flag |
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134 | } else if ( arg == "-help" ) { |
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135 | help = true; // strip the help flag |
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136 | } else if ( arg == "-nohelp" ) { |
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137 | help = false; // strip the nohelp flag |
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138 | } else if ( arg == "-no-include-stdhdr" ) { |
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139 | noincstd_flag = true; // strip the no-include-stdhdr flag |
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140 | } else if ( arg == "-compiler" ) { |
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141 | // use the user specified compiler |
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142 | i += 1; |
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143 | if ( i == argc ) continue; // next argument available ? |
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144 | compiler_path = argv[i]; |
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145 | if ( putenv( (char *)( *new string( string( "__U_COMPILER__=" ) + argv[i]) ).c_str() ) != 0 ) { |
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146 | cerr << argv[0] << " error, cannot set environment variable." << endl; |
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147 | exit( EXIT_FAILURE ); |
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148 | } // if |
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149 | |
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150 | // C specific arguments |
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151 | |
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152 | } else if ( arg == "-v" ) { |
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153 | verbose = true; // verbosity required |
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154 | args[nargs] = argv[i]; // pass the argument along |
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155 | nargs += 1; |
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156 | } else if ( arg == "-g" ) { |
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157 | debugging = true; // symbolic debugging required |
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158 | args[nargs] = argv[i]; // pass the argument along |
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159 | nargs += 1; |
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160 | } else if ( prefix( arg, "-std=" ) || prefix( arg, "--std=" ) ) { |
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161 | std_flag = true; // -std=XX provided |
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162 | args[nargs] = argv[i]; // pass the argument along |
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163 | nargs += 1; |
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164 | } else if ( arg == "-x" ) { // lost so force along |
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165 | args[nargs] = argv[i]; // pass the argument along |
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166 | nargs += 1; |
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167 | i += 1; // advance to argument |
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168 | args[nargs] = argv[i]; // pass the argument along |
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169 | nargs += 1; |
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170 | args[nargs] = ( *new string( string("-D__GCC_X__=") + argv[i] ) ).c_str(); // add the argument for -x |
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171 | nargs += 1; |
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172 | } else if ( prefix( arg, "-x" ) ) { // lost so force along |
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173 | args[nargs] = argv[i]; // pass the argument along |
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174 | nargs += 1; |
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175 | args[nargs] = ( *new string( string("-D__GCC_X__=") + arg.substr(2) ) ).c_str(); // add the argument for -x |
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176 | nargs += 1; |
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177 | } else if ( arg == "-w" ) { |
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178 | args[nargs] = argv[i]; // pass the argument along |
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179 | nargs += 1; |
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180 | args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + arg ) ).c_str(); // add the argument for cfa-cpp |
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181 | nargs += 1; |
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182 | } else if ( prefix( arg, "-W" ) ) { // check before next tests |
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183 | if ( arg == "-Werror" || arg == "-Wall" ) { |
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184 | args[nargs] = argv[i]; // pass the argument along |
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185 | nargs += 1; |
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186 | args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + arg ) ).c_str(); // add the argument for cfa-cpp |
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187 | nargs += 1; |
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188 | } else { |
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189 | unsigned int adv = prefix( arg, "-Wno-" ) ? 5 : 2; |
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190 | args[nargs] = argv[i]; // conditionally pass the argument along |
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191 | const char * warning = argv[i] + adv; // extract warning |
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192 | if ( SemanticWarning_Exist( warning ) ) { // replace the argument for cfa-cpp |
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193 | args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + arg ) ).c_str(); |
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194 | } // if |
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195 | nargs += 1; |
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196 | } // if |
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197 | } else if ( prefix( arg, "-B" ) ) { |
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198 | Bprefix = arg.substr(2); // strip the -B flag |
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199 | args[nargs] = ( *new string( string("-D__GCC_BPREFIX__=") + Bprefix ) ).c_str(); |
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200 | nargs += 1; |
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201 | } else if ( prefix( arg, "-b" ) ) { |
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202 | if ( arg.length() == 2 ) { // separate argument ? |
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203 | i += 1; |
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204 | if ( i == argc ) continue; // next argument available ? |
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205 | arg += argv[i]; // concatenate argument |
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206 | } // if |
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207 | // later versions of gcc require the -b option to appear at the start of the command line |
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208 | shuffle( args, sargs, nargs, 1 ); // make room at front of argument list |
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209 | args[sargs] = ( *new string( arg ) ).c_str(); // pass the argument along |
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210 | if ( putenv( (char *)( *new string( string( "__GCC_MACHINE__=" ) + arg ) ).c_str() ) != 0 ) { |
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211 | cerr << argv[0] << " error, cannot set environment variable." << endl; |
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212 | exit( EXIT_FAILURE ); |
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213 | } // if |
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214 | sargs += 1; |
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215 | nargs += 1; |
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216 | } else if ( prefix( arg, "-V" ) ) { |
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217 | if ( arg.length() == 2 ) { // separate argument ? |
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218 | i += 1; |
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219 | if ( i == argc ) continue; // next argument available ? |
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220 | arg += argv[i]; // concatenate argument |
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221 | } // if |
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222 | // later versions of gcc require the -V option to appear at the start of the command line |
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223 | shuffle( args, sargs, nargs, 1 ); // make room at front of argument list |
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224 | args[sargs] = ( *new string( arg ) ).c_str(); // pass the argument along |
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225 | if ( putenv( (char *)( *new string( string( "__GCC_VERSION__=" ) + arg ) ).c_str() ) != 0 ) { |
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226 | cerr << argv[0] << " error, cannot set environment variable." << endl; |
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227 | exit( EXIT_FAILURE ); |
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228 | } // if |
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229 | sargs += 1; |
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230 | nargs += 1; |
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231 | } else if ( arg == "-c" || arg == "-S" || arg == "-E" || arg == "-M" || arg == "-MM" ) { |
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232 | args[nargs] = argv[i]; // pass the argument along |
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233 | nargs += 1; |
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234 | if ( arg == "-E" || arg == "-M" || arg == "-MM" ) { |
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235 | cpp_flag = true; // cpp only |
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236 | } // if |
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237 | link = false; // no linkage required |
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238 | } else if ( arg[1] == 'l' ) { |
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239 | // if the user specifies a library, load it after user code |
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240 | libs[nlibs] = argv[i]; |
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241 | nlibs += 1; |
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242 | } else { |
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243 | // concatenate any other arguments |
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244 | args[nargs] = argv[i]; |
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245 | nargs += 1; |
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246 | } // if |
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247 | } else { |
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248 | // concatenate other arguments |
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249 | args[nargs] = argv[i]; |
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250 | nargs += 1; |
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251 | nonoptarg = true; |
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252 | } // if |
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253 | } // for |
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254 | |
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255 | #ifdef __x86_64__ |
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256 | args[nargs] = "-mcx16"; // allow double-wide CAA |
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257 | nargs += 1; |
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258 | #endif // __x86_64__ |
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259 | |
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260 | #ifdef __DEBUG_H__ |
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261 | cerr << "args:"; |
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262 | for ( int i = 1; i < nargs; i += 1 ) { |
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263 | cerr << " " << args[i]; |
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264 | } // for |
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265 | cerr << endl; |
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266 | #endif // __DEBUG_H__ |
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267 | |
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268 | if ( cpp_flag && CFA_flag ) { |
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269 | cerr << argv[0] << " error, cannot use -E and -CFA flags together." << endl; |
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270 | exit( EXIT_FAILURE ); |
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271 | } // if |
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272 | |
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273 | // add the CFA include-library paths, which allow direct access to header files without directory qualification |
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274 | args[nargs] = "-I" CFA_INCDIR; |
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275 | nargs += 1; |
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276 | if ( ! noincstd_flag ) { // do not use during build |
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277 | args[nargs] = "-I" CFA_INCDIR "/stdhdr"; |
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278 | nargs += 1; |
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279 | } // if |
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280 | args[nargs] = "-I" CFA_INCDIR "/concurrency"; |
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281 | nargs += 1; |
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282 | args[nargs] = "-I" CFA_INCDIR "/containers"; |
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283 | nargs += 1; |
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284 | |
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285 | #ifdef HAVE_LIBCFA |
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286 | if ( link ) { |
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287 | #if ! defined(HAVE_LIBCFA_RELEASE) |
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288 | if ( ! debug ) { |
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289 | cerr << "error: Option -nodebug is unavailable, libcfa was not installed." << endl; |
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290 | exit( EXIT_FAILURE ); |
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291 | } // if |
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292 | #endif |
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293 | #if ! defined(HAVE_LIBCFA_DEBUG) |
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294 | if ( debug ) { |
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295 | cerr << "error: Option -debug is unavailable, libcfa-d was not installed." << endl; |
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296 | exit( EXIT_FAILURE ); |
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297 | } // if |
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298 | #endif |
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299 | |
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300 | args[nargs] = "-Xlinker"; |
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301 | nargs += 1; |
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302 | args[nargs] = "--undefined=__cfaabi_dbg_bits_write"; |
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303 | nargs += 1; |
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304 | args[nargs] = "-Xlinker"; |
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305 | nargs += 1; |
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306 | args[nargs] = "--undefined=__cfaabi_interpose_startup"; |
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307 | nargs += 1; |
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308 | |
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309 | // include the cfa library in case it's needed |
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310 | args[nargs] = "-L" CFA_LIBDIR; |
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311 | nargs += 1; |
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312 | if ( debug ) { |
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313 | args[nargs] = "-lcfa-d"; |
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314 | } else { |
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315 | args[nargs] = "-lcfa"; |
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316 | } // if |
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317 | nargs += 1; |
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318 | args[nargs] = "-lpthread"; |
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319 | nargs += 1; |
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320 | args[nargs] = "-ldl"; |
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321 | nargs += 1; |
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322 | args[nargs] = "-lrt"; |
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323 | nargs += 1; |
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324 | } // if |
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325 | #endif // HAVE_LIBCFA |
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326 | |
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327 | // Add exception flags (unconditionally) |
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328 | args[nargs] = "-fexceptions"; |
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329 | nargs += 1; |
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330 | |
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331 | // add the correct set of flags based on the type of compile this is |
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332 | |
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333 | args[nargs] = ( *new string( string("-D__CFA_MAJOR__=") + Major ) ).c_str(); |
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334 | nargs += 1; |
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335 | args[nargs] = ( *new string( string("-D__CFA_MINOR__=") + Minor ) ).c_str(); |
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336 | nargs += 1; |
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337 | args[nargs] = ( *new string( string("-D__CFA_PATCH__=") + Patch ) ).c_str(); |
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338 | nargs += 1; |
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339 | args[nargs] = "-D__CFA__"; |
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340 | nargs += 1; |
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341 | args[nargs] = "-D__CFORALL__"; |
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342 | nargs += 1; |
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343 | args[nargs] = "-D__cforall"; |
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344 | nargs += 1; |
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345 | |
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346 | if ( cpp_flag ) { |
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347 | args[nargs] = "-D__CPP__"; |
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348 | nargs += 1; |
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349 | } // if |
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350 | |
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351 | shuffle( args, sargs, nargs, 1 ); // make room at front of argument list |
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352 | nargs += 1; |
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353 | if ( CFA_flag ) { |
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354 | args[sargs] = "-D__CFA_FLAG__=-N"; |
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355 | args[nargs] = "-D__CFA_PREPROCESS_"; |
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356 | nargs += 1; |
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357 | } else { |
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358 | args[sargs] = "-D__CFA_FLAG__=-L"; |
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359 | } // if |
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360 | sargs += 1; |
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361 | |
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362 | if ( debug ) { |
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363 | heading += " (debug)"; |
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364 | args[nargs] = "-D__CFA_DEBUG__"; |
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365 | nargs += 1; |
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366 | } else { |
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367 | heading += " (no debug)"; |
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368 | } // if |
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369 | |
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370 | if ( Bprefix.length() == 0 ) { |
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371 | Bprefix = installlibdir; |
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372 | args[nargs] = ( *new string( string("-D__GCC_BPREFIX__=") + Bprefix ) ).c_str(); |
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373 | nargs += 1; |
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374 | } // if |
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375 | |
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376 | args[nargs] = "-Xlinker"; // used by backtrace |
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377 | nargs += 1; |
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378 | args[nargs] = "-export-dynamic"; |
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379 | nargs += 1; |
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380 | |
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381 | // execute the compilation command |
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382 | |
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383 | args[0] = compiler_path.c_str(); // set compiler command for exec |
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384 | // find actual name of the compiler independent of the path to it |
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385 | int p = compiler_path.find_last_of( '/' ); // scan r -> l for first '/' |
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386 | if ( p == -1 ) { |
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387 | compiler_name = compiler_path; |
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388 | } else { |
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389 | compiler_name = *new string( compiler_path.substr( p + 1 ) ); |
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390 | } // if |
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391 | |
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392 | if ( prefix( compiler_name, "gcc" ) ) { // allow suffix on gcc name |
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393 | args[nargs] = "-no-integrated-cpp"; |
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394 | nargs += 1; |
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395 | args[nargs] = "-Wno-deprecated"; |
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396 | nargs += 1; |
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397 | if ( ! std_flag ) { // default c11, if none specified |
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398 | args[nargs] = "-std=gnu11"; |
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399 | nargs += 1; |
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400 | } // if |
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401 | args[nargs] = "-fgnu89-inline"; |
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402 | nargs += 1; |
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403 | args[nargs] = "-D__int8_t_defined"; // prevent gcc type-size attributes |
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404 | nargs += 1; |
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405 | args[nargs] = ( *new string( string("-B") + Bprefix + "/" ) ).c_str(); |
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406 | nargs += 1; |
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407 | args[nargs] = "-lm"; |
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408 | nargs += 1; |
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409 | } else { |
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410 | cerr << argv[0] << " error, compiler \"" << compiler_name << "\" unsupported." << endl; |
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411 | exit( EXIT_FAILURE ); |
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412 | } // if |
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413 | |
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414 | for ( int i = 0; i < nlibs; i += 1 ) { // copy non-user libraries after all user libraries |
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415 | args[nargs] = libs[i]; |
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416 | nargs += 1; |
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417 | } // for |
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418 | |
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419 | args[nargs] = NULL; // terminate with NULL |
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420 | |
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421 | #ifdef __DEBUG_H__ |
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422 | cerr << "nargs: " << nargs << endl; |
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423 | cerr << "args:" << endl; |
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424 | for ( int i = 0; args[i] != NULL; i += 1 ) { |
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425 | cerr << " \"" << args[i] << "\"" << endl; |
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426 | } // for |
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427 | #endif // __DEBUG_H__ |
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428 | |
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429 | if ( ! quiet ) { |
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430 | cerr << "CFA " << "Version " << Version << heading << endl; |
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431 | |
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432 | if ( help ) { |
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433 | cerr << |
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434 | "-debug\t\t\t: use cfa runtime with debug checking" << endl << |
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435 | "-help\t\t\t: print this help message" << endl << |
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436 | "-quiet\t\t\t: print no messages from the cfa command" << endl << |
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437 | "-CFA\t\t\t: run the cpp preprocessor and the cfa-cpp translator" << endl << |
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438 | "-XCFA -cfa-cpp-flag\t: pass next flag as-is to the cfa-cpp translator" << endl << |
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439 | "...\t\t\t: any other " << compiler_name << " flags" << endl; |
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440 | } // if |
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441 | } // if |
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442 | |
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443 | if ( verbose ) { |
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444 | if ( argc == 2 ) exit( EXIT_SUCCESS ); // if only the -v flag is specified, do not invoke gcc |
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445 | |
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446 | for ( int i = 0; args[i] != NULL; i += 1 ) { |
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447 | cerr << args[i] << " "; |
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448 | } // for |
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449 | cerr << endl; |
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450 | } // if |
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451 | |
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452 | if ( ! nonoptarg ) { |
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453 | cerr << argv[0] << " error, no input files" << endl; |
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454 | exit( EXIT_FAILURE ); |
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455 | } // if |
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456 | |
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457 | // execute the command and return the result |
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458 | |
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459 | execvp( args[0], (char *const *)args ); // should not return |
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460 | perror( "CFA Translator error: cfa level, execvp" ); |
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461 | exit( EXIT_FAILURE ); |
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462 | } // main |
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463 | |
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464 | // Local Variables: // |
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465 | // tab-width: 4 // |
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466 | // mode: c++ // |
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467 | // compile-command: "make install" // |
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468 | // End: // |
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