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 : Fri Jul 13 17:40:12 2018 |
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13 | // Update Count : 258 |
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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 <sys/types.h> |
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24 | #include <sys/stat.h> |
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25 | |
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26 | #include "Common/SemanticError.h" |
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27 | #include "config.h" // configure info |
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28 | |
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29 | using std::cerr; |
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30 | using std::endl; |
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31 | using std::string; |
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32 | using std::to_string; |
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33 | |
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34 | |
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35 | //#define __DEBUG_H__ |
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36 | |
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37 | |
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38 | bool prefix( string arg, string pre ) { |
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39 | return arg.substr( 0, pre.size() ) == pre; |
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40 | } // prefix |
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41 | |
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42 | enum { NumSuffixes = 2 }; |
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43 | const string suffixes[NumSuffixes] = { "cfa", "hfa", }; |
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44 | |
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45 | bool suffix( string arg ) { |
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46 | //std::cerr << arg << std::endl; |
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47 | size_t dot = arg.find_last_of( "." ); |
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48 | //std::cerr << dot << " " << (dot != string::npos ? arg.substr( dot + 1 ) : "fred" ) << std::endl; |
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49 | if ( dot == string::npos ) return false; |
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50 | string sx = arg.substr( dot + 1 ); |
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51 | for ( int i = 0; i < NumSuffixes; i += 1 ) { |
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52 | if ( sx == suffixes[i] ) return true; |
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53 | } // for |
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54 | return false; |
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55 | } // suffix |
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56 | |
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57 | |
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58 | void shuffle( const char *args[], int S, int E, int N ) { |
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59 | // S & E index 1 passed the end so adjust with -1 |
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60 | #ifdef __DEBUG_H__ |
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61 | cerr << "shuffle:" << S << " " << E << " " << N << endl; |
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62 | #endif // __DEBUG_H__ |
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63 | for ( int j = E-1 + N; j > S-1 + N; j -=1 ) { |
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64 | #ifdef __DEBUG_H__ |
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65 | cerr << "\t" << j << " " << j-N << endl; |
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66 | #endif // __DEBUG_H__ |
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67 | args[j] = args[j-N]; |
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68 | } // for |
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69 | } // shuffle |
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70 | |
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71 | static inline bool dirExists(const string & path) { |
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72 | struct stat info; |
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73 | if(stat( path.c_str(), &info ) != 0) |
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74 | return false; |
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75 | else if(info.st_mode & S_IFDIR) |
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76 | return true; |
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77 | else |
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78 | return false; |
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79 | } //dirExists |
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80 | |
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81 | |
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82 | #define str(s) #s |
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83 | |
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84 | int main( int argc, char *argv[] ) { |
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85 | string Version( CFA_VERSION_LONG ); // current version number from CONFIG |
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86 | string Major( str( CFA_VERSION_MAJOR ) ), Minor( str( CFA_VERSION_MINOR ) ), Patch( str( CFA_VERSION_PATCH ) ); |
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87 | |
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88 | string installincdir( CFA_INCDIR ); // fixed location of include files |
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89 | string installlibdir( CFA_LIBDIR ); // fixed location of cc1 and cfa-cpp commands when installed |
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90 | string srcdriverdir ( TOP_BUILDDIR "driver"); // fixed location of cc1 and cfa-cpp commands when in tree |
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91 | |
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92 | string heading; // banner printed at start of cfa compilation |
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93 | string arg; // current command-line argument during command-line parsing |
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94 | string Bprefix; // path where gcc looks for compiler command steps |
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95 | string langstd; // language standard |
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96 | |
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97 | string compiler_path( CFA_BACKEND_CC ); // path/name of C compiler |
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98 | string compiler_name; // name of C compiler |
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99 | |
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100 | bool nonoptarg = false; // indicates non-option argument specified |
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101 | bool link = true; // linking as well as compiling |
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102 | bool verbose = false; // -v flag |
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103 | bool quiet = false; // -quiet flag |
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104 | bool debug = true; // -debug flag |
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105 | bool help = false; // -help flag |
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106 | bool CFA_flag = false; // -CFA flag |
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107 | bool cpp_flag = false; // -E or -M flag, preprocessor only |
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108 | bool std_flag = false; // -std= flag |
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109 | bool noincstd_flag = false; // -no-include-stdhdr= flag |
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110 | bool xflag = false; // user supplied -x flag |
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111 | bool debugging __attribute(( unused )) = false; // -g flag |
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112 | bool m32 = false; // -m32 flag |
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113 | bool m64 = false; // -m64 flag |
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114 | bool intree = false; |
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115 | |
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116 | const char *args[argc + 100]; // cfa command line values, plus some space for additional flags |
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117 | int sargs = 1; // starting location for arguments in args list |
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118 | int nargs = sargs; // number of arguments in args list; 0 => command name |
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119 | |
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120 | const char *libs[argc + 20]; // non-user libraries must come separately, plus some added libraries and flags |
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121 | int nlibs = 0; |
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122 | |
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123 | #ifdef __DEBUG_H__ |
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124 | cerr << "CFA:" << endl; |
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125 | #endif // __DEBUG_H__ |
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126 | |
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127 | // process command-line arguments |
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128 | |
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129 | for ( int i = 1; i < argc; i += 1 ) { |
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130 | #ifdef __DEBUG_H__ |
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131 | cerr << "argv[" << i << "]:\"" << argv[i] << "\"" << endl; |
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132 | #endif // __DEBUG_H__ |
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133 | arg = argv[i]; // convert to string value |
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134 | #ifdef __DEBUG_H__ |
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135 | cerr << "arg:\"" << arg << "\"" << endl; |
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136 | #endif // __DEBUG_H__ |
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137 | if ( prefix( arg, "-" ) ) { |
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138 | // pass through arguments |
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139 | |
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140 | if ( arg == "-Xlinker" || arg == "-o" ) { |
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141 | args[nargs] = argv[i]; // pass the argument along |
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142 | nargs += 1; |
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143 | i += 1; |
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144 | if ( i == argc ) continue; // next argument available ? |
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145 | args[nargs] = argv[i]; // pass the argument along |
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146 | nargs += 1; |
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147 | } else if ( arg == "-XCFA" ) { // CFA pass through |
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148 | i += 1; |
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149 | args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + argv[i] ) ).c_str(); |
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150 | nargs += 1; |
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151 | |
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152 | // CFA specific arguments |
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153 | |
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154 | } else if ( arg == "-CFA" ) { |
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155 | CFA_flag = true; // strip the -CFA flag |
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156 | link = false; |
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157 | args[nargs] = "-E"; // replace the argument with -E |
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158 | nargs += 1; |
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159 | } else if ( arg == "-debug" ) { |
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160 | debug = true; // strip the debug flag |
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161 | } else if ( arg == "-nodebug" ) { |
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162 | debug = false; // strip the nodebug flag |
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163 | } else if ( arg == "-quiet" ) { |
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164 | quiet = true; // strip the quiet flag |
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165 | } else if ( arg == "-noquiet" ) { |
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166 | quiet = false; // strip the noquiet flag |
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167 | } else if ( arg == "-help" ) { |
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168 | help = true; // strip the help flag |
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169 | } else if ( arg == "-nohelp" ) { |
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170 | help = false; // strip the nohelp flag |
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171 | } else if ( arg == "-no-include-stdhdr" ) { |
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172 | noincstd_flag = true; // strip the no-include-stdhdr flag |
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173 | } else if ( arg == "-in-tree" ) { |
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174 | intree = true; |
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175 | } else if ( arg == "-compiler" ) { |
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176 | // use the user specified compiler |
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177 | i += 1; |
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178 | if ( i == argc ) continue; // next argument available ? |
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179 | compiler_path = argv[i]; |
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180 | if ( putenv( (char *)( *new string( string( "__U_COMPILER__=" ) + argv[i]) ).c_str() ) != 0 ) { |
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181 | cerr << argv[0] << " error, cannot set environment variable." << endl; |
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182 | exit( EXIT_FAILURE ); |
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183 | } // if |
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184 | |
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185 | // C specific arguments |
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186 | |
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187 | } else if ( arg == "-v" ) { |
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188 | verbose = true; // verbosity required |
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189 | args[nargs] = argv[i]; // pass the argument along |
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190 | nargs += 1; |
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191 | } else if ( arg == "-g" ) { |
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192 | debugging = true; // symbolic debugging required |
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193 | args[nargs] = argv[i]; // pass the argument along |
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194 | nargs += 1; |
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195 | } else if ( prefix( arg, "-std=" ) || prefix( arg, "--std=" ) ) { |
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196 | std_flag = true; // -std=XX provided |
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197 | args[nargs] = argv[i]; // pass the argument along |
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198 | nargs += 1; |
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199 | } else if ( arg == "-x" ) { |
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200 | xflag = true; |
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201 | args[nargs] = argv[i]; // pass the argument along |
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202 | nargs += 1; |
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203 | i += 1; // advance to argument |
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204 | args[nargs] = argv[i]; // pass the argument along |
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205 | nargs += 1; |
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206 | // args[nargs] = ( *new string( string("-D__GCC_X__=") + argv[i] ) ).c_str(); // add the argument for -x |
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207 | // nargs += 1; |
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208 | } else if ( prefix( arg, "-x" ) ) { |
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209 | xflag = true; |
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210 | args[nargs] = argv[i]; // pass the argument along |
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211 | nargs += 1; |
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212 | // args[nargs] = ( *new string( string("-D__GCC_X__=") + arg.substr(2) ) ).c_str(); // add the argument for -x |
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213 | // nargs += 1; |
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214 | } else if ( arg == "-w" ) { |
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215 | args[nargs] = argv[i]; // pass the argument along |
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216 | nargs += 1; |
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217 | args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + arg ) ).c_str(); // add the argument for cfa-cpp |
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218 | nargs += 1; |
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219 | } else if ( prefix( arg, "-W" ) ) { // check before next tests |
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220 | if ( arg == "-Werror" || arg == "-Wall" ) { |
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221 | args[nargs] = argv[i]; // pass the argument along |
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222 | nargs += 1; |
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223 | args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + arg ) ).c_str(); // add the argument for cfa-cpp |
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224 | nargs += 1; |
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225 | } else { |
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226 | unsigned int adv = prefix( arg, "-Wno-" ) ? 5 : 2; |
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227 | args[nargs] = argv[i]; // conditionally pass the argument along |
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228 | const char * warning = argv[i] + adv; // extract warning |
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229 | if ( SemanticWarning_Exist( warning ) ) { // replace the argument for cfa-cpp |
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230 | args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + arg ) ).c_str(); |
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231 | } // if |
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232 | nargs += 1; |
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233 | } // if |
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234 | } else if ( prefix( arg, "-B" ) ) { |
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235 | Bprefix = arg.substr(2); // strip the -B flag |
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236 | args[nargs] = ( *new string( string("-D__GCC_BPREFIX__=") + Bprefix ) ).c_str(); |
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237 | nargs += 1; |
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238 | } else if ( prefix( arg, "-b" ) ) { |
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239 | if ( arg.length() == 2 ) { // separate argument ? |
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240 | i += 1; |
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241 | if ( i == argc ) continue; // next argument available ? |
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242 | arg += argv[i]; // concatenate argument |
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243 | } // if |
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244 | // later versions of gcc require the -b option to appear at the start of the command line |
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245 | shuffle( args, sargs, nargs, 1 ); // make room at front of argument list |
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246 | args[sargs] = ( *new string( arg ) ).c_str(); // pass the argument along |
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247 | if ( putenv( (char *)( *new string( string( "__GCC_MACHINE__=" ) + arg ) ).c_str() ) != 0 ) { |
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248 | cerr << argv[0] << " error, cannot set environment variable." << endl; |
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249 | exit( EXIT_FAILURE ); |
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250 | } // if |
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251 | sargs += 1; |
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252 | nargs += 1; |
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253 | } else if ( prefix( arg, "-V" ) ) { |
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254 | if ( arg.length() == 2 ) { // separate argument ? |
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255 | i += 1; |
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256 | if ( i == argc ) continue; // next argument available ? |
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257 | arg += argv[i]; // concatenate argument |
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258 | } // if |
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259 | // later versions of gcc require the -V option to appear at the start of the command line |
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260 | shuffle( args, sargs, nargs, 1 ); // make room at front of argument list |
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261 | args[sargs] = ( *new string( arg ) ).c_str(); // pass the argument along |
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262 | if ( putenv( (char *)( *new string( string( "__GCC_VERSION__=" ) + arg ) ).c_str() ) != 0 ) { |
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263 | cerr << argv[0] << " error, cannot set environment variable." << endl; |
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264 | exit( EXIT_FAILURE ); |
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265 | } // if |
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266 | sargs += 1; |
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267 | nargs += 1; |
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268 | } else if ( arg == "-c" || arg == "-S" || arg == "-E" || arg == "-M" || arg == "-MM" ) { |
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269 | args[nargs] = argv[i]; // pass the argument along |
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270 | nargs += 1; |
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271 | if ( arg == "-E" || arg == "-M" || arg == "-MM" ) { |
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272 | cpp_flag = true; // cpp only |
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273 | } // if |
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274 | link = false; // no linkage required |
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275 | } else if ( arg[1] == 'l' ) { |
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276 | // if the user specifies a library, load it after user code |
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277 | libs[nlibs] = argv[i]; |
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278 | nlibs += 1; |
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279 | } else if ( arg == "-m32" ) { |
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280 | m32 = true; |
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281 | m64 = false; |
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282 | args[nargs] = argv[i]; |
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283 | nargs += 1; |
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284 | } else if ( arg == "-m64" ) { |
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285 | m64 = true; |
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286 | m32 = false; |
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287 | args[nargs] = argv[i]; |
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288 | nargs += 1; |
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289 | } else { |
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290 | // concatenate any other arguments |
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291 | args[nargs] = argv[i]; |
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292 | nargs += 1; |
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293 | } // if |
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294 | } else { |
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295 | bool opt = false; |
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296 | if ( ! xflag && suffix( arg ) ) { |
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297 | args[nargs] = "-x"; |
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298 | nargs += 1; |
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299 | args[nargs] = "c"; |
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300 | nargs += 1; |
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301 | // args[nargs] = ( *new string( string("-D__GCC_X__=c") ) ).c_str(); // add the argument for -x |
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302 | // nargs += 1; |
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303 | opt = true; |
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304 | } // if |
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305 | // concatenate other arguments |
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306 | args[nargs] = argv[i]; |
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307 | nargs += 1; |
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308 | if ( opt ) { |
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309 | args[nargs] = "-x"; |
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310 | nargs += 1; |
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311 | args[nargs] = "none"; |
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312 | nargs += 1; |
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313 | // args[nargs] = ( *new string( string("-D__GCC_X__=none") ) ).c_str(); // add the argument for -x |
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314 | // nargs += 1; |
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315 | } // if |
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316 | nonoptarg = true; |
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317 | xflag = false; |
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318 | } // if |
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319 | } // for |
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320 | |
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321 | #ifdef __x86_64__ |
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322 | args[nargs] = "-mcx16"; // allow double-wide CAA |
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323 | nargs += 1; |
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324 | #endif // __x86_64__ |
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325 | |
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326 | #ifdef __DEBUG_H__ |
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327 | cerr << "args:"; |
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328 | for ( int i = 1; i < nargs; i += 1 ) { |
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329 | cerr << " " << args[i]; |
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330 | } // for |
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331 | cerr << endl; |
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332 | #endif // __DEBUG_H__ |
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333 | |
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334 | if ( cpp_flag && CFA_flag ) { |
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335 | cerr << argv[0] << " error, cannot use -E and -CFA flags together." << endl; |
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336 | exit( EXIT_FAILURE ); |
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337 | } // if |
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338 | |
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339 | // add the CFA include-library paths, which allow direct access to header files without directory qualification |
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340 | if( !intree ) { |
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341 | args[nargs] = "-I" CFA_INCDIR; |
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342 | nargs += 1; |
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343 | if ( ! noincstd_flag ) { // do not use during build |
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344 | args[nargs] = "-I" CFA_INCDIR "/stdhdr"; |
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345 | nargs += 1; |
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346 | } // if |
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347 | args[nargs] = "-I" CFA_INCDIR "/concurrency"; |
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348 | nargs += 1; |
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349 | args[nargs] = "-I" CFA_INCDIR "/containers"; |
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350 | nargs += 1; |
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351 | } else { |
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352 | args[nargs] = "-I" TOP_SRCDIR "libcfa/src"; |
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353 | nargs += 1; |
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354 | if ( ! noincstd_flag ) { // do not use during build |
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355 | args[nargs] = "-I" TOP_SRCDIR "libcfa/src" "/stdhdr"; |
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356 | nargs += 1; |
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357 | } // if |
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358 | args[nargs] = "-I" TOP_SRCDIR "libcfa/src" "/concurrency"; |
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359 | nargs += 1; |
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360 | args[nargs] = "-I" TOP_SRCDIR "libcfa/src" "/containers"; |
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361 | nargs += 1; |
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362 | } |
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363 | |
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364 | string libbase; |
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365 | if( !intree ) { |
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366 | libbase = CFA_LIBDIR; |
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367 | } else { |
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368 | libbase = TOP_BUILDDIR "libcfa/"; |
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369 | args[nargs] = "-D__CFA_FLAG__=-t"; |
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370 | nargs += 1; |
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371 | } |
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372 | |
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373 | const char * const arch = m32 ? CFA_32_CPU : (m64 ? CFA_64_CPU : CFA_DEFAULT_CPU); |
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374 | const char * config = debug ? "debug": "nodebug"; |
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375 | string libdir = libbase + arch + "-" + config; |
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376 | if( !dirExists(libdir) ) { |
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377 | cerr << argv[0] << " internal error, configuration " << config << " not installed." << endl; |
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378 | cerr << "Was looking for " << libdir << endl; |
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379 | libdir = libbase + arch + "-" + "nolib"; |
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380 | } |
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381 | |
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382 | if( !dirExists(libdir) ) { |
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383 | cerr << argv[0] << " internal error, cannot find prelude directory." << endl; |
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384 | cerr << "Was looking for " << libdir << endl; |
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385 | exit( EXIT_FAILURE ); |
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386 | } |
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387 | |
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388 | args[nargs] = ( *new string( string("-D__CFA_FLAG__=--prelude-dir=" ) + libdir + (intree ? "/prelude" : "")) ).c_str(); |
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389 | nargs += 1; |
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390 | |
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391 | if ( link ) { |
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392 | args[nargs] = "-Xlinker"; |
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393 | nargs += 1; |
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394 | args[nargs] = "--undefined=__cfaabi_dbg_bits_write"; |
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395 | nargs += 1; |
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396 | args[nargs] = "-Xlinker"; |
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397 | nargs += 1; |
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398 | args[nargs] = "--undefined=__cfaabi_interpose_startup"; |
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399 | nargs += 1; |
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400 | args[nargs] = "-Xlinker"; |
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401 | nargs += 1; |
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402 | args[nargs] = "--undefined=__cfaabi_appready_startup"; |
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403 | nargs += 1; |
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404 | args[nargs] = "-Xlinker"; |
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405 | nargs += 1; |
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406 | args[nargs] = "--undefined=__cfaabi_dbg_record"; |
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407 | nargs += 1; |
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408 | |
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409 | // include the cfa library in case it's needed |
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410 | args[nargs] = ( *new string( string("-L" ) + libdir + (intree ? "/src" : "")) ).c_str(); |
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411 | nargs += 1; |
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412 | args[nargs] = "-lcfa"; |
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413 | nargs += 1; |
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414 | args[nargs] = "-lpthread"; |
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415 | nargs += 1; |
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416 | args[nargs] = "-ldl"; |
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417 | nargs += 1; |
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418 | args[nargs] = "-lrt"; |
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419 | nargs += 1; |
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420 | } // if |
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421 | |
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422 | // Add exception flags (unconditionally) |
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423 | args[nargs] = "-fexceptions"; |
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424 | nargs += 1; |
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425 | |
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426 | // add the correct set of flags based on the type of compile this is |
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427 | |
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428 | args[nargs] = ( *new string( string("-D__CFA_MAJOR__=") + Major ) ).c_str(); |
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429 | nargs += 1; |
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430 | args[nargs] = ( *new string( string("-D__CFA_MINOR__=") + Minor ) ).c_str(); |
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431 | nargs += 1; |
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432 | args[nargs] = ( *new string( string("-D__CFA_PATCH__=") + Patch ) ).c_str(); |
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433 | nargs += 1; |
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434 | args[nargs] = "-D__CFA__"; |
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435 | nargs += 1; |
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436 | args[nargs] = "-D__CFORALL__"; |
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437 | nargs += 1; |
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438 | args[nargs] = "-D__cforall"; |
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439 | nargs += 1; |
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440 | |
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441 | if ( cpp_flag ) { |
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442 | args[nargs] = "-D__CPP__"; |
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443 | nargs += 1; |
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444 | } // if |
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445 | |
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446 | shuffle( args, sargs, nargs, 1 ); // make room at front of argument list |
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447 | nargs += 1; |
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448 | if ( CFA_flag ) { |
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449 | args[sargs] = "-D__CFA_FLAG__=-N"; |
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450 | args[nargs] = "-D__CFA_PREPROCESS_"; |
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451 | nargs += 1; |
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452 | } else { |
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453 | args[sargs] = "-D__CFA_FLAG__=-L"; |
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454 | } // if |
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455 | sargs += 1; |
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456 | |
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457 | if ( debug ) { |
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458 | heading += " (debug)"; |
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459 | args[nargs] = "-D__CFA_DEBUG__"; |
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460 | nargs += 1; |
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461 | } else { |
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462 | heading += " (no debug)"; |
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463 | } // if |
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464 | |
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465 | if ( Bprefix.length() == 0 ) { |
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466 | Bprefix = !intree ? installlibdir : srcdriverdir; |
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467 | args[nargs] = ( *new string( string("-D__GCC_BPREFIX__=") + Bprefix ) ).c_str(); |
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468 | nargs += 1; |
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469 | } // if |
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470 | |
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471 | args[nargs] = "-Xlinker"; // used by backtrace |
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472 | nargs += 1; |
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473 | args[nargs] = "-export-dynamic"; |
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474 | nargs += 1; |
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475 | |
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476 | // execute the compilation command |
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477 | |
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478 | args[0] = compiler_path.c_str(); // set compiler command for exec |
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479 | // find actual name of the compiler independent of the path to it |
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480 | int p = compiler_path.find_last_of( '/' ); // scan r -> l for first '/' |
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481 | if ( p == -1 ) { |
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482 | compiler_name = compiler_path; |
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483 | } else { |
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484 | compiler_name = *new string( compiler_path.substr( p + 1 ) ); |
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485 | } // if |
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486 | |
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487 | if ( prefix( compiler_name, "gcc" ) ) { // allow suffix on gcc name |
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488 | args[nargs] = "-no-integrated-cpp"; |
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489 | nargs += 1; |
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490 | args[nargs] = "-Wno-deprecated"; |
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491 | nargs += 1; |
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492 | if ( ! std_flag ) { // default c11, if none specified |
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493 | args[nargs] = "-std=gnu11"; |
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494 | nargs += 1; |
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495 | } // if |
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496 | args[nargs] = "-fgnu89-inline"; |
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497 | nargs += 1; |
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498 | args[nargs] = "-D__int8_t_defined"; // prevent gcc type-size attributes |
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499 | nargs += 1; |
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500 | args[nargs] = ( *new string( string("-B") + Bprefix + "/" ) ).c_str(); |
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501 | nargs += 1; |
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502 | args[nargs] = "-lm"; |
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503 | nargs += 1; |
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504 | } else { |
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505 | cerr << argv[0] << " error, compiler \"" << compiler_name << "\" unsupported." << endl; |
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506 | exit( EXIT_FAILURE ); |
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507 | } // if |
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508 | |
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509 | for ( int i = 0; i < nlibs; i += 1 ) { // copy non-user libraries after all user libraries |
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510 | args[nargs] = libs[i]; |
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511 | nargs += 1; |
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512 | } // for |
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513 | |
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514 | args[nargs] = NULL; // terminate with NULL |
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515 | |
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516 | #ifdef __DEBUG_H__ |
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517 | cerr << "nargs: " << nargs << endl; |
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518 | cerr << "args:" << endl; |
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519 | for ( int i = 0; args[i] != NULL; i += 1 ) { |
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520 | cerr << " \"" << args[i] << "\"" << endl; |
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521 | } // for |
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522 | #endif // __DEBUG_H__ |
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523 | |
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524 | if ( ! quiet ) { |
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525 | cerr << "CFA " << "Version " << Version << heading << endl; |
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526 | |
---|
527 | if ( help ) { |
---|
528 | cerr << |
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529 | "-debug\t\t\t: use cfa runtime with debug checking" << endl << |
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530 | "-help\t\t\t: print this help message" << endl << |
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531 | "-quiet\t\t\t: print no messages from the cfa command" << endl << |
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532 | "-CFA\t\t\t: run the cpp preprocessor and the cfa-cpp translator" << endl << |
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533 | "-XCFA -cfa-cpp-flag\t: pass next flag as-is to the cfa-cpp translator" << endl << |
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534 | "...\t\t\t: any other " << compiler_name << " flags" << endl; |
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535 | } // if |
---|
536 | } // if |
---|
537 | |
---|
538 | if ( verbose ) { |
---|
539 | if ( argc == 2 ) exit( EXIT_SUCCESS ); // if only the -v flag is specified, do not invoke gcc |
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540 | |
---|
541 | for ( int i = 0; args[i] != NULL; i += 1 ) { |
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542 | cerr << args[i] << " "; |
---|
543 | } // for |
---|
544 | cerr << endl; |
---|
545 | } // if |
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546 | |
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547 | if ( ! nonoptarg ) { |
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548 | cerr << argv[0] << " error, no input files" << endl; |
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549 | exit( EXIT_FAILURE ); |
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550 | } // if |
---|
551 | |
---|
552 | // execute the command and return the result |
---|
553 | |
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554 | execvp( args[0], (char *const *)args ); // should not return |
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555 | perror( "CFA Translator error: cfa level, execvp" ); |
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556 | exit( EXIT_FAILURE ); |
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557 | } // main |
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558 | |
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559 | // Local Variables: // |
---|
560 | // tab-width: 4 // |
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561 | // mode: c++ // |
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562 | // compile-command: "make install" // |
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563 | // End: // |
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