source: driver/cfa.cc@ 4b84e35

ADT arm-eh ast-experimental enum forall-pointer-decay jacob/cs343-translation new-ast new-ast-unique-expr pthread-emulation qualifiedEnum
Last change on this file since 4b84e35 was 0163d3e, checked in by Peter A. Buhr <pabuhr@…>, 5 years ago

make -x flag work for one input file
  • Property mode set to 100644
File size: 18.5 KB
RevLine 
[b87a5ed]1//
2// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
3//
4// The contents of this file are covered under the licence agreement in the
5// file "LICENCE" distributed with Cforall.
6//
[76c7f65e]7// cfa.cc --
[b87a5ed]8//
[51b73452]9// Author : Peter A. Buhr
10// Created On : Tue Aug 20 13:44:49 2002
[201aeb9]11// Last Modified By : Peter A. Buhr
[0163d3e]12// Last Modified On : Sat May 30 18:28:23 2020
13// Update Count : 433
[b87a5ed]14//
[51b73452]15
16#include <iostream>
[158b026]17#include <cstdio> // perror
18#include <cstdlib> // putenv, exit
19#include <climits> // PATH_MAX
20#include <unistd.h> // execvp
21#include <string> // STL version
22#include <string.h> // strcmp
23#include <algorithm> // find
[51b73452]24
[37fe352]25#include <sys/types.h>
26#include <sys/stat.h>
27
[44bca7f]28#include "Common/SemanticError.h"
[b87a5ed]29#include "config.h" // configure info
[51b73452]30
31using std::cerr;
32using std::endl;
33using std::string;
[47a8d17]34using std::to_string;
[51b73452]35
[81e60f7]36// #define __DEBUG_H__
[51b73452]37
[158b026]38// "N__=" suffix
39static string __CFA_FLAGPREFIX__( "__CFA_FLAG" );
[51b73452]40
[2c60af75]41void Putenv( char * argv[], string arg ) {
[c2051e10]42 // environment variables must have unique names
43 static int flags = 0;
[2c60af75]44
[0bf5340]45 if ( putenv( (char *)( *new string( string( __CFA_FLAGPREFIX__ + to_string( flags++ ) + "__=" ) + arg ) ).c_str() ) ) {
[2c60af75]46 cerr << argv[0] << " error, cannot set environment variable." << endl;
47 exit( EXIT_FAILURE );
48 } // if
49} // Putenv
50
[c2051e10]51// check if string has prefix
[1ee048fd]52bool prefix( const string & arg, const string & pre ) {
[b87a5ed]53 return arg.substr( 0, pre.size() ) == pre;
[51b73452]54} // prefix
55
[1ee048fd]56inline bool ends_with(const string & str, const string & sfix) {
57 if (sfix.size() > str.size()) return false;
58 return std::equal(str.rbegin(), str.rbegin() + sfix.size(), sfix.rbegin(), sfix.rend());
59}
60
[158b026]61// check if string has suffix
62bool suffix( const string & arg ) {
[8c63bb4]63 enum { NumSuffixes = 3 };
64 static const string suffixes[NumSuffixes] = { "cfa", "hfa", "ifa" };
[dffaeac]65
66 size_t dot = arg.find_last_of( "." );
67 if ( dot == string::npos ) return false;
[8c63bb4]68 const string * end = suffixes + NumSuffixes;
69 return std::find( suffixes, end, arg.substr( dot + 1 ) ) != end;
[dffaeac]70} // suffix
[51b73452]71
72
[2c60af75]73static inline bool dirExists( const string & path ) { // check if directory exists
[37fe352]74 struct stat info;
[2c60af75]75 if ( stat( path.c_str(), &info ) != 0 ) return false;
[b544afa]76 return (info.st_mode & S_IFDIR) != 0;
[2c60af75]77} // dirExists
[37fe352]78
[bbfd0e0]79static inline string dir(const string & path) {
80 return path.substr(0, path.find_last_of('/'));
81}
82
[158b026]83// Different path modes
84enum PathMode {
85 Installed, // cfa is installed, use prefix
86 BuildTree, // cfa is in the tree, use source and build tree
87 Distributed // cfa is distributed, use build tree for includes and executable directory for .cfs
88};
89
90// Get path mode from /proc
91PathMode FromProc() {
92 std::string abspath;
93 abspath.resize(PATH_MAX);
94
95 // get executable path from /proc/self/exe
96 ssize_t size = readlink("/proc/self/exe", const_cast<char*>(abspath.c_str()), abspath.size());
97 if(size <= 0) {
98 std::cerr << "Error could not evaluate absolute path from /proc/self/exe" << std::endl;
99 std::cerr << "Failed with " << std::strerror(errno) << std::endl;
100 std::exit(1);
101 }
102
103 // Trim extra characters
104 abspath.resize(size);
105
106 // Are we installed
107 if(abspath.rfind(CFA_BINDIR , 0) == 0) { return Installed; }
108
109 // Is this the build tree
110 if(abspath.rfind(TOP_BUILDDIR, 0) == 0) { return BuildTree; }
111
112 // Does this look like distcc
113 if(abspath.find("/.cfadistcc/") != std::string::npos) { return Distributed; }
114
115 // None of the above? Give up since we don't know where the prelude or include directories are
116 std::cerr << "Cannot find required files from excutable path " << abspath << std::endl;
117 std::exit(1);
118}
119
[51b73452]120
[2c60af75]121#define xstr(s) str(s)
[4b1afb6]122#define str(s) #s
123
[8c63bb4]124int main( int argc, char * argv[] ) {
[4b1afb6]125 string Version( CFA_VERSION_LONG ); // current version number from CONFIG
[2c60af75]126 string Major( xstr( CFA_VERSION_MAJOR ) ), Minor( xstr( CFA_VERSION_MINOR ) ), Patch( xstr( CFA_VERSION_PATCH ) );
[51b73452]127
[d6f4488]128 string installincdir( CFA_INCDIR ); // fixed location of include files
129 string installlibdir( CFA_LIBDIR ); // fixed location of cc1 and cfa-cpp commands when installed
130 string srcdriverdir ( TOP_BUILDDIR "driver"); // fixed location of cc1 and cfa-cpp commands when in tree
[51b73452]131
[b87a5ed]132 string heading; // banner printed at start of cfa compilation
133 string arg; // current command-line argument during command-line parsing
[b544afa]134 string bprefix; // path where gcc looks for compiler steps
[b87a5ed]135 string langstd; // language standard
[51b73452]136
[e24f13a]137 string compiler_path( CFA_BACKEND_CC ); // path/name of C compiler
[b87a5ed]138 string compiler_name; // name of C compiler
[51b73452]139
[4f5a8a2]140 bool x_flag = false; // -x flag
[bbb1b35]141 bool nonoptarg = false; // no non-option arguments specified, i.e., no file names
142 bool link = true; // link stage occurring
[b87a5ed]143 bool verbose = false; // -v flag
[8c63bb4]144 bool quiet = false; // -quiet flag
145 bool debug = true; // -debug flag
146 bool nolib = false; // -nolib flag
147 bool help = false; // -help flag
[b87a5ed]148 bool CFA_flag = false; // -CFA flag
149 bool cpp_flag = false; // -E or -M flag, preprocessor only
[de62360d]150 bool std_flag = false; // -std= flag
[d746bc8]151 bool noincstd_flag = false; // -no-include-stdhdr= flag
[6e4b913]152 bool debugging __attribute(( unused )) = false; // -g flag
[8c63bb4]153 bool m32 = false; // -m32 flag
154 bool m64 = false; // -m64 flag
[1ee048fd]155 bool compiling_libs = false;
[2c60af75]156 int o_file = 0; // -o filename position
[51b73452]157
[158b026]158 PathMode path = FromProc();
159
[b87a5ed]160 const char *args[argc + 100]; // cfa command line values, plus some space for additional flags
161 int sargs = 1; // starting location for arguments in args list
162 int nargs = sargs; // number of arguments in args list; 0 => command name
[51b73452]163
[b87a5ed]164 const char *libs[argc + 20]; // non-user libraries must come separately, plus some added libraries and flags
165 int nlibs = 0;
[51b73452]166
[dffaeac]167 #ifdef __DEBUG_H__
[b87a5ed]168 cerr << "CFA:" << endl;
[bec4d24]169 for ( int i = 1; i < argc; i += 1 ) {
170 cerr << "argv[" << i << "]:\"" << argv[i] << "\"" << endl;
171 } // for
[dffaeac]172 #endif // __DEBUG_H__
[51b73452]173
[b87a5ed]174 // process command-line arguments
[51b73452]175
[b87a5ed]176 for ( int i = 1; i < argc; i += 1 ) {
177 arg = argv[i]; // convert to string value
178 if ( prefix( arg, "-" ) ) {
179 // pass through arguments
180
181 if ( arg == "-Xlinker" || arg == "-o" ) {
[2c60af75]182 args[nargs++] = argv[i]; // pass argument along
[b87a5ed]183 i += 1;
184 if ( i == argc ) continue; // next argument available ?
[2c60af75]185 args[nargs++] = argv[i]; // pass argument along
186 if ( arg == "-o" ) o_file = i; // remember file
[b87a5ed]187 } else if ( arg == "-XCFA" ) { // CFA pass through
188 i += 1;
[c334ecd]189 if ( i == argc ) continue; // next argument available ?
[2c60af75]190 Putenv( argv, argv[i] );
[b87a5ed]191
192 // CFA specific arguments
193
194 } else if ( arg == "-CFA" ) {
195 CFA_flag = true; // strip the -CFA flag
196 link = false;
[2c60af75]197 args[nargs++] = "-fsyntax-only"; // stop after stage 2
[b87a5ed]198 } else if ( arg == "-debug" ) {
199 debug = true; // strip the debug flag
200 } else if ( arg == "-nodebug" ) {
[2c60af75]201 debug = false; // strip the nodebug flag
[c9e640e]202 } else if ( arg == "-nolib" ) {
203 nolib = true; // strip the nodebug flag
[b87a5ed]204 } else if ( arg == "-quiet" ) {
205 quiet = true; // strip the quiet flag
206 } else if ( arg == "-noquiet" ) {
207 quiet = false; // strip the noquiet flag
208 } else if ( arg == "-help" ) {
209 help = true; // strip the help flag
210 } else if ( arg == "-nohelp" ) {
211 help = false; // strip the nohelp flag
[d746bc8]212 } else if ( arg == "-no-include-stdhdr" ) {
213 noincstd_flag = true; // strip the no-include-stdhdr flag
[1ee048fd]214 } else if ( arg == "-cfalib") {
215 compiling_libs = true;
[b87a5ed]216 } else if ( arg == "-compiler" ) {
217 // use the user specified compiler
218 i += 1;
219 if ( i == argc ) continue; // next argument available ?
220 compiler_path = argv[i];
[2c60af75]221 Putenv( argv, arg + "=" + argv[i] );
[b87a5ed]222
[de62360d]223 // C specific arguments
[b87a5ed]224
225 } else if ( arg == "-v" ) {
226 verbose = true; // verbosity required
[2c60af75]227 args[nargs++] = argv[i]; // pass argument along
[b87a5ed]228 } else if ( arg == "-g" ) {
229 debugging = true; // symbolic debugging required
[2c60af75]230 args[nargs++] = argv[i]; // pass argument along
[bbb1b35]231 } else if ( arg == "-save-temps" ) {
232 args[nargs++] = argv[i]; // pass argument along
233 Putenv( argv, arg ); // save cfa-cpp output
[8c63bb4]234 } else if ( prefix( arg, "-x" ) ) { // file suffix ?
235 string lang;
[2c60af75]236 args[nargs++] = argv[i]; // pass argument along
[8c63bb4]237 if ( arg.length() == 2 ) { // separate argument ?
238 i += 1;
239 if ( i == argc ) continue; // next argument available ?
240 lang = argv[i];
[2c60af75]241 args[nargs++] = argv[i]; // pass argument along
[8c63bb4]242 } else {
243 lang = arg.substr( 2 );
244 } // if
[0163d3e]245 if ( x_flag ) {
246 cerr << argv[0] << " warning, only one -x flag per compile, ignoring subsequent flag." << endl;
247 } else {
248 x_flag = true;
249 Putenv( argv, string( "-x=" ) + lang );
250 } // if
[e3215c5]251 } else if ( prefix( arg, "-std=" ) || prefix( arg, "--std=" ) ) {
[53ba273]252 std_flag = true; // -std=XX provided
[2c60af75]253 args[nargs++] = argv[i]; // pass argument along
[44bca7f]254 } else if ( arg == "-w" ) {
[2c60af75]255 args[nargs++] = argv[i]; // pass argument along
256 Putenv( argv, arg );
[44bca7f]257 } else if ( prefix( arg, "-W" ) ) { // check before next tests
258 if ( arg == "-Werror" || arg == "-Wall" ) {
[2c60af75]259 args[nargs++] = argv[i]; // pass argument along
260 Putenv( argv, argv[i] );
[44bca7f]261 } else {
262 unsigned int adv = prefix( arg, "-Wno-" ) ? 5 : 2;
[2c60af75]263 args[nargs] = argv[i]; // conditionally pass argument along
264 const char * warning = argv[i] + adv; // extract warning
[af39199d]265 if ( SemanticWarning_Exist( warning ) ) { // replace the argument for cfa-cpp
[2c60af75]266 Putenv( argv, arg );
[af39199d]267 } // if
[44bca7f]268 nargs += 1;
269 } // if
[b87a5ed]270 } else if ( prefix( arg, "-B" ) ) {
[417a630]271 bprefix = arg.substr(2); // strip the -B flag
[b87a5ed]272 } else if ( arg == "-c" || arg == "-S" || arg == "-E" || arg == "-M" || arg == "-MM" ) {
[2c60af75]273 args[nargs++] = argv[i]; // pass argument along
[b87a5ed]274 if ( arg == "-E" || arg == "-M" || arg == "-MM" ) {
275 cpp_flag = true; // cpp only
276 } // if
277 link = false; // no linkage required
278 } else if ( arg[1] == 'l' ) {
279 // if the user specifies a library, load it after user code
[2c60af75]280 libs[nlibs++] = argv[i];
[37fe352]281 } else if ( arg == "-m32" ) {
282 m32 = true;
283 m64 = false;
[2c60af75]284 args[nargs++] = argv[i];
[37fe352]285 } else if ( arg == "-m64" ) {
286 m64 = true;
287 m32 = false;
[2c60af75]288 args[nargs++] = argv[i];
[b87a5ed]289 } else {
290 // concatenate any other arguments
[2c60af75]291 args[nargs++] = argv[i];
[b87a5ed]292 } // if
293 } else {
[8c63bb4]294 bool cfa = suffix( arg ); // check suffix
[4f5a8a2]295 if ( ! x_flag && cfa ) { // no explicit suffix and cfa suffix ?
[2c60af75]296 args[nargs++] = "-x";
297 args[nargs++] = "c";
[8c63bb4]298 } // if
[2c60af75]299 args[nargs++] = argv[i]; // concatenate files
[4f5a8a2]300 if ( ! x_flag && cfa ) { // no explicit suffix and cfa suffix ?
[2c60af75]301 args[nargs++] = "-x";
302 args[nargs++] = "none";
[dffaeac]303 } // if
[b87a5ed]304 nonoptarg = true;
305 } // if
306 } // for
[51b73452]307
[f4530d7]308 #ifdef __x86_64__
309 args[nargs++] = "-mcx16"; // allow double-wide CAS
310 #endif // __x86_64__
311
[dffaeac]312 #ifdef __DEBUG_H__
[b87a5ed]313 cerr << "args:";
314 for ( int i = 1; i < nargs; i += 1 ) {
315 cerr << " " << args[i];
316 } // for
317 cerr << endl;
[dffaeac]318 #endif // __DEBUG_H__
[51b73452]319
[bbb1b35]320 // -E flag stops at cc1 stage 1, so cfa-cpp in cc1 stage 2 is never executed.
[b87a5ed]321 if ( cpp_flag && CFA_flag ) {
[aced69a]322 CFA_flag = false;
323 cerr << argv[0] << " warning, both -E and -CFA flags specified, using -E and ignoring -CFA." << endl;
[b87a5ed]324 } // if
[51b73452]325
[6e4b913]326 // add the CFA include-library paths, which allow direct access to header files without directory qualification
[158b026]327 string libbase;
328 switch(path) {
329 case Installed:
[2c60af75]330 args[nargs++] = "-I" CFA_INCDIR;
[158b026]331 // do not use during build
332 if ( ! noincstd_flag ) {
[2c60af75]333 args[nargs++] = "-I" CFA_INCDIR "stdhdr";
[a5121bf]334 } // if
[2c60af75]335 args[nargs++] = "-I" CFA_INCDIR "concurrency";
336 args[nargs++] = "-I" CFA_INCDIR "containers";
[158b026]337 libbase = CFA_LIBDIR;
338 break;
339 case BuildTree:
340 case Distributed:
[2c60af75]341 args[nargs++] = "-I" TOP_SRCDIR "libcfa/src";
[158b026]342 // do not use during build
343 if ( ! noincstd_flag ) {
[2c60af75]344 args[nargs++] = "-I" TOP_SRCDIR "libcfa/src" "/stdhdr";
[a5121bf]345 } // if
[2c60af75]346 args[nargs++] = "-I" TOP_SRCDIR "libcfa/src" "/concurrency";
347 args[nargs++] = "-I" TOP_SRCDIR "libcfa/src" "/containers";
[158b026]348
349 libbase = TOP_BUILDDIR "libcfa/";
350
351 break;
[2c60af75]352 } // if
[76c7f65e]353
[a37133c]354 // add stdbool to get defines for bool/true/false
[2c60af75]355 args[nargs++] = "-imacros";
356 args[nargs++] = "stdbool.h";
[a37133c]357
[1ee048fd]358 if( compiling_libs ) {
[2c60af75]359 Putenv( argv, "-t" );
360 } // if
[37fe352]361
[bbb1b35]362 string arch( m32 ? CFA_32_CPU : (m64 ? CFA_64_CPU : CFA_DEFAULT_CPU) );
[13a984c]363 if ( ! m32 && ! m64 ) {
364 if ( arch == "x86" ) {
[2c60af75]365 args[nargs++] = "-m32";
[13a984c]366 } else if ( arch == "x64" ) {
[2c60af75]367 args[nargs++] = "-m64";
[13a984c]368 } // if
[dfb7c96]369 } // if
[a5121bf]370
[c9e640e]371 const char * config = nolib ? "nolib" : (debug ? "debug": "nodebug");
[a5121bf]372 string libdir = libbase + arch + "-" + config;
[dfb7c96]373
[158b026]374 if (path != Distributed) {
[bbfd0e0]375 if ( ! nolib && ! dirExists( libdir ) ) {
376 cerr << argv[0] << " internal error, configuration " << config << " not installed." << endl;
377 cerr << "Was looking for " << libdir << endl;
378 for(int i = 1; i < argc; i++) {
379 cerr << argv[i] << " ";
380 }
381 cerr << endl;
382 libdir = libbase + arch + "-" + "nolib";
383 } // if
[a5121bf]384
[bbfd0e0]385 if ( ! dirExists( libdir ) ) {
386 cerr << argv[0] << " internal error, cannot find prelude directory." << endl;
387 cerr << "Was looking for " << libdir << endl;
388 exit( EXIT_FAILURE );
389 } // if
[dfb7c96]390 } // if
[a5121bf]391
[c680a4b]392 string preludedir;
[158b026]393 switch(path) {
[c680a4b]394 case Installed : preludedir = libdir; break;
395 case BuildTree : preludedir = libdir + "/prelude"; break;
396 case Distributed : preludedir = dir(argv[0]); break;
[bbfd0e0]397 }
[81e60f7]398
[c680a4b]399 Putenv( argv, "--prelude-dir=" + preludedir );
400 args[nargs++] = "-include";
401 args[nargs++] = (*new string(preludedir + "/defines.hfa")).c_str();
402
[def9d4e]403 for ( int i = 0; i < nlibs; i += 1 ) { // copy non-user libraries after all user libraries
[2c60af75]404 args[nargs++] = libs[i];
[def9d4e]405 } // for
406
[b87a5ed]407 if ( link ) {
[2c60af75]408 args[nargs++] = "-Xlinker";
409 args[nargs++] = "--undefined=__cfaabi_dbg_bits_write";
410 args[nargs++] = "-Xlinker";
411 args[nargs++] = "--undefined=__cfaabi_interpose_startup";
412 args[nargs++] = "-Xlinker";
413 args[nargs++] = "--undefined=__cfaabi_appready_startup";
[c8c0c7c5]414 args[nargs++] = "-z";
415 args[nargs++] = "execstack";
[6bfe5cc]416
[b544afa]417 // include the cfa library in case it is needed
[158b026]418 args[nargs++] = ( *new string( string("-L" ) + libdir + (path != Installed ? "/src/.libs" : "")) ).c_str();
419 args[nargs++] = ( *new string( string("-Wl,-rpath," ) + libdir + (path != Installed ? "/src/.libs" : "")) ).c_str();
[2c60af75]420 args[nargs++] = "-Wl,--push-state,--as-needed";
421 args[nargs++] = "-lcfathread";
422 args[nargs++] = "-Wl,--pop-state";
[92a9768]423 args[nargs++] = "-Wl,--push-state,--no-as-needed";
[2c60af75]424 args[nargs++] = "-lcfa";
[92a9768]425 args[nargs++] = "-Wl,--pop-state";
[f4530d7]426 args[nargs++] = "-pthread";
[314dab6]427 #ifdef __x86_64__
[f4530d7]428 args[nargs++] = "-latomic"; // allow double-wide CAS
[314dab6]429 #endif // __x86_64__
[2c60af75]430 args[nargs++] = "-ldl";
431 args[nargs++] = "-lrt";
432 args[nargs++] = "-lm";
[51b73452]433 } // if
434
[2c60af75]435 args[nargs++] = "-fexceptions"; // add exception flags (unconditionally)
[e9145a3]436
[2c60af75]437 // add flags based on the type of compile
[8c17ab0]438
[2c60af75]439 args[nargs++] = ( *new string( string("-D__CFA_MAJOR__=") + Major ) ).c_str();
440 args[nargs++] = ( *new string( string("-D__CFA_MINOR__=") + Minor ) ).c_str();
441 args[nargs++] = ( *new string( string("-D__CFA_PATCH__=") + Patch ) ).c_str();
442 args[nargs++] = "-D__CFA__";
443 args[nargs++] = "-D__CFORALL__";
444 args[nargs++] = "-D__cforall";
[51b73452]445
[b87a5ed]446 if ( cpp_flag ) {
[2c60af75]447 args[nargs++] = "-D__CPP__";
[b87a5ed]448 } // if
[51b73452]449
[b87a5ed]450 if ( CFA_flag ) {
[2c60af75]451 Putenv( argv, "-N" );
452 Putenv( argv, "-CFA" );
[bbb1b35]453 // -CFA implies cc1 stage 2, but gcc does not pass the -o file to this stage because it believe the file is for
454 // the linker. Hence, the -o file is explicit passed to cc1 stage 2 and used as cfa-cpp's output file.
[2c60af75]455 if ( o_file ) Putenv( argv, string( "-o=" ) + argv[o_file] );
[fa477f7]456 } else {
[2c60af75]457 Putenv( argv, "-L" );
[b87a5ed]458 } // if
[2c60af75]459
[b87a5ed]460 if ( debug ) {
461 heading += " (debug)";
[2c60af75]462 args[nargs++] = "-D__CFA_DEBUG__";
[b87a5ed]463 } else {
464 heading += " (no debug)";
465 } // if
[51b73452]466
[417a630]467 if ( bprefix.length() == 0 ) {
[158b026]468 switch(path) {
469 case Installed : bprefix = installlibdir; break;
470 case BuildTree : bprefix = srcdriverdir ; break;
471 case Distributed : bprefix = dir(argv[0]) ; break;
[bbfd0e0]472 }
[417a630]473 if ( bprefix[bprefix.length() - 1] != '/' ) bprefix += '/';
[81e60f7]474 Putenv( argv, string("-B=") + bprefix );
[b87a5ed]475 } // if
[51b73452]476
[2c60af75]477 args[nargs++] = "-Xlinker"; // used by backtrace
478 args[nargs++] = "-export-dynamic";
[6bfe5cc]479
[b87a5ed]480 // execute the compilation command
[51b73452]481
[b87a5ed]482 args[0] = compiler_path.c_str(); // set compiler command for exec
483 // find actual name of the compiler independent of the path to it
484 int p = compiler_path.find_last_of( '/' ); // scan r -> l for first '/'
485 if ( p == -1 ) {
486 compiler_name = compiler_path;
487 } else {
488 compiler_name = *new string( compiler_path.substr( p + 1 ) );
489 } // if
[51b73452]490
[b87a5ed]491 if ( prefix( compiler_name, "gcc" ) ) { // allow suffix on gcc name
[2c60af75]492 args[nargs++] = "-no-integrated-cpp";
493 args[nargs++] = "-Wno-deprecated";
494 #ifdef HAVE_CAST_FUNCTION_TYPE
495 args[nargs++] = "-Wno-cast-function-type";
496 #endif // HAVE_CAST_FUNCTION_TYPE
[157d094]497 if ( ! std_flag ) { // default c11, if none specified
[2c60af75]498 args[nargs++] = "-std=gnu11";
[de62360d]499 } // if
[2c60af75]500 args[nargs++] = "-fgnu89-inline";
501 args[nargs++] = "-D__int8_t_defined"; // prevent gcc type-size attributes
[417a630]502 args[nargs++] = ( *new string( string("-B") + bprefix ) ).c_str();
[b87a5ed]503 } else {
[e24f13a]504 cerr << argv[0] << " error, compiler \"" << compiler_name << "\" unsupported." << endl;
[b87a5ed]505 exit( EXIT_FAILURE );
506 } // if
[51b73452]507
[bbb1b35]508 args[nargs] = nullptr; // terminate
[51b73452]509
[dffaeac]510 #ifdef __DEBUG_H__
[b87a5ed]511 cerr << "nargs: " << nargs << endl;
512 cerr << "args:" << endl;
[bbb1b35]513 for ( int i = 0; args[i] != nullptr; i += 1 ) {
[b87a5ed]514 cerr << " \"" << args[i] << "\"" << endl;
515 } // for
[1ee048fd]516 cerr << endl;
[dffaeac]517 #endif // __DEBUG_H__
[51b73452]518
[b87a5ed]519 if ( ! quiet ) {
520 cerr << "CFA " << "Version " << Version << heading << endl;
521 if ( help ) {
522 cerr <<
523 "-debug\t\t\t: use cfa runtime with debug checking" << endl <<
524 "-help\t\t\t: print this help message" << endl <<
525 "-quiet\t\t\t: print no messages from the cfa command" << endl <<
526 "-CFA\t\t\t: run the cpp preprocessor and the cfa-cpp translator" << endl <<
527 "-XCFA -cfa-cpp-flag\t: pass next flag as-is to the cfa-cpp translator" << endl <<
528 "...\t\t\t: any other " << compiler_name << " flags" << endl;
529 } // if
[51b73452]530 } // if
531
[b87a5ed]532 if ( verbose ) {
533 if ( argc == 2 ) exit( EXIT_SUCCESS ); // if only the -v flag is specified, do not invoke gcc
[51b73452]534
[bbb1b35]535 for ( int i = 0; args[i] != nullptr; i += 1 ) {
[b87a5ed]536 cerr << args[i] << " ";
537 } // for
538 cerr << endl;
539 } // if
[51b73452]540
[b87a5ed]541 if ( ! nonoptarg ) {
542 cerr << argv[0] << " error, no input files" << endl;
543 exit( EXIT_FAILURE );
544 } // if
[51b73452]545
[b87a5ed]546 // execute the command and return the result
[51b73452]547
[b87a5ed]548 execvp( args[0], (char *const *)args ); // should not return
[2c60af75]549 perror( "CFA Translator error: execvp" );
[b87a5ed]550 exit( EXIT_FAILURE );
[51b73452]551} // main
552
553// Local Variables: //
[b87a5ed]554// tab-width: 4 //
555// mode: c++ //
[51b73452]556// compile-command: "make install" //
557// End: //
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