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source: driver/cfa.cc @ c2051e10

ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprpthread-emulationqualifiedEnum

Last change on this file since c2051e10 was c2051e10, checked in by Thierry Delisle <tdelisle@…>, 5 years ago
Merge branch 'master' into distcc
Property mode set to `100644`
File size: 16.8 KB

Rev	Line
[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	//
[76c7f65]	7	// cfa.cc --
[b87a5ed]	8	//
[51b7345]	9	// Author : Peter A. Buhr
	10	// Created On : Tue Aug 20 13:44:49 2002
[201aeb9]	11	// Last Modified By : Peter A. Buhr
[0bf5340]	12	// Last Modified On : Mon Sep 9 17:57:40 2019
	13	// Update Count : 417
[b87a5ed]	14	//
[51b7345]	15
	16	#include <iostream>
[b87a5ed]	17	#include <cstdio> // perror
	18	#include <cstdlib> // putenv, exit
	19	#include <unistd.h> // execvp
	20	#include <string> // STL version
[44bca7f]	21	#include <string.h> // strcmp
[8c63bb4]	22	#include <algorithm> // find
[51b7345]	23
[37fe352]	24	#include <sys/types.h>
	25	#include <sys/stat.h>
	26
[44bca7f]	27	#include "Common/SemanticError.h"
[b87a5ed]	28	#include "config.h" // configure info
[51b7345]	29
	30	using std::cerr;
	31	using std::endl;
	32	using std::string;
[47a8d17]	33	using std::to_string;
[51b7345]	34
	35	//#define __DEBUG_H__
	36
[0bf5340]	37	static string __CFA_FLAGPREFIX__( "__CFA_FLAG" ); // "N__=" suffix
[51b7345]	38
[2c60af75]	39	void Putenv( char * argv[], string arg ) {
[c2051e10]	40	// environment variables must have unique names
	41	static int flags = 0;
[2c60af75]	42
[0bf5340]	43	if ( putenv( (char )( new string( string( __CFA_FLAGPREFIX__ + to_string( flags++ ) + "__=" ) + arg ) ).c_str() ) ) {
[2c60af75]	44	cerr << argv[0] << " error, cannot set environment variable." << endl;
	45	exit( EXIT_FAILURE );
	46	} // if
	47	} // Putenv
	48
[c2051e10]	49	// check if string has prefix
[1ee048fd]	50	bool prefix( const string & arg, const string & pre ) {
[b87a5ed]	51	return arg.substr( 0, pre.size() ) == pre;
[51b7345]	52	} // prefix
	53
[1ee048fd]	54	inline bool ends_with(const string & str, const string & sfix) {
	55	if (sfix.size() > str.size()) return false;
	56	return std::equal(str.rbegin(), str.rbegin() + sfix.size(), sfix.rbegin(), sfix.rend());
	57	}
	58
[2c60af75]	59	bool suffix( const string & arg ) { // check if string has suffix
[8c63bb4]	60	enum { NumSuffixes = 3 };
	61	static const string suffixes[NumSuffixes] = { "cfa", "hfa", "ifa" };
[dffaeac]	62
	63	size_t dot = arg.find_last_of( "." );
	64	if ( dot == string::npos ) return false;
[8c63bb4]	65	const string * end = suffixes + NumSuffixes;
	66	return std::find( suffixes, end, arg.substr( dot + 1 ) ) != end;
[dffaeac]	67	} // suffix
[51b7345]	68
	69
[2c60af75]	70	static inline bool dirExists( const string & path ) { // check if directory exists
[37fe352]	71	struct stat info;
[2c60af75]	72	if ( stat( path.c_str(), &info ) != 0 ) return false;
[b544afa]	73	return (info.st_mode & S_IFDIR) != 0;
[2c60af75]	74	} // dirExists
[37fe352]	75
[bbfd0e0]	76	static inline string dir(const string & path) {
	77	return path.substr(0, path.find_last_of('/'));
	78	}
	79
[51b7345]	80
[2c60af75]	81	#define xstr(s) str(s)
[4b1afb6]	82	#define str(s) #s
	83
[8c63bb4]	84	int main( int argc, char * argv[] ) {
[4b1afb6]	85	string Version( CFA_VERSION_LONG ); // current version number from CONFIG
[2c60af75]	86	string Major( xstr( CFA_VERSION_MAJOR ) ), Minor( xstr( CFA_VERSION_MINOR ) ), Patch( xstr( CFA_VERSION_PATCH ) );
[51b7345]	87
[d6f4488]	88	string installincdir( CFA_INCDIR ); // fixed location of include files
	89	string installlibdir( CFA_LIBDIR ); // fixed location of cc1 and cfa-cpp commands when installed
	90	string srcdriverdir ( TOP_BUILDDIR "driver"); // fixed location of cc1 and cfa-cpp commands when in tree
[51b7345]	91
[b87a5ed]	92	string heading; // banner printed at start of cfa compilation
	93	string arg; // current command-line argument during command-line parsing
[b544afa]	94	string bprefix; // path where gcc looks for compiler steps
[b87a5ed]	95	string langstd; // language standard
[51b7345]	96
[e24f13a]	97	string compiler_path( CFA_BACKEND_CC ); // path/name of C compiler
[b87a5ed]	98	string compiler_name; // name of C compiler
[51b7345]	99
[4f5a8a2]	100	bool x_flag = false; // -x flag
[bbb1b35]	101	bool nonoptarg = false; // no non-option arguments specified, i.e., no file names
	102	bool link = true; // link stage occurring
[b87a5ed]	103	bool verbose = false; // -v flag
[8c63bb4]	104	bool quiet = false; // -quiet flag
	105	bool debug = true; // -debug flag
	106	bool nolib = false; // -nolib flag
	107	bool help = false; // -help flag
[b87a5ed]	108	bool CFA_flag = false; // -CFA flag
	109	bool cpp_flag = false; // -E or -M flag, preprocessor only
[de62360d]	110	bool std_flag = false; // -std= flag
[d746bc8]	111	bool noincstd_flag = false; // -no-include-stdhdr= flag
[6e4b913]	112	bool debugging __attribute(( unused )) = false; // -g flag
[8c63bb4]	113	bool m32 = false; // -m32 flag
	114	bool m64 = false; // -m64 flag
[bbb1b35]	115	bool intree = false; // build in tree
[1ee048fd]	116	bool compiling_libs = false;
[bbfd0e0]	117	bool disttree = false;
[2c60af75]	118	int o_file = 0; // -o filename position
[51b7345]	119
[b87a5ed]	120	const char *args[argc + 100]; // cfa command line values, plus some space for additional flags
	121	int sargs = 1; // starting location for arguments in args list
	122	int nargs = sargs; // number of arguments in args list; 0 => command name
[51b7345]	123
[b87a5ed]	124	const char *libs[argc + 20]; // non-user libraries must come separately, plus some added libraries and flags
	125	int nlibs = 0;
[51b7345]	126
[dffaeac]	127	#ifdef __DEBUG_H__
[b87a5ed]	128	cerr << "CFA:" << endl;
[bec4d24]	129	for ( int i = 1; i < argc; i += 1 ) {
	130	cerr << "argv[" << i << "]:\"" << argv[i] << "\"" << endl;
	131	} // for
[dffaeac]	132	#endif // __DEBUG_H__
[51b7345]	133
[b87a5ed]	134	// process command-line arguments
[51b7345]	135
[b87a5ed]	136	for ( int i = 1; i < argc; i += 1 ) {
	137	arg = argv[i]; // convert to string value
	138	if ( prefix( arg, "-" ) ) {
	139	// pass through arguments
	140
	141	if ( arg == "-Xlinker" \|\| arg == "-o" ) {
[2c60af75]	142	args[nargs++] = argv[i]; // pass argument along
[b87a5ed]	143	i += 1;
	144	if ( i == argc ) continue; // next argument available ?
[2c60af75]	145	args[nargs++] = argv[i]; // pass argument along
	146	if ( arg == "-o" ) o_file = i; // remember file
[b87a5ed]	147	} else if ( arg == "-XCFA" ) { // CFA pass through
	148	i += 1;
[2c60af75]	149	Putenv( argv, argv[i] );
[b87a5ed]	150
	151	// CFA specific arguments
	152
	153	} else if ( arg == "-CFA" ) {
	154	CFA_flag = true; // strip the -CFA flag
	155	link = false;
[2c60af75]	156	args[nargs++] = "-fsyntax-only"; // stop after stage 2
[b87a5ed]	157	} else if ( arg == "-debug" ) {
	158	debug = true; // strip the debug flag
	159	} else if ( arg == "-nodebug" ) {
[2c60af75]	160	debug = false; // strip the nodebug flag
[c9e640e]	161	} else if ( arg == "-nolib" ) {
	162	nolib = true; // strip the nodebug flag
[b87a5ed]	163	} else if ( arg == "-quiet" ) {
	164	quiet = true; // strip the quiet flag
	165	} else if ( arg == "-noquiet" ) {
	166	quiet = false; // strip the noquiet flag
	167	} else if ( arg == "-help" ) {
	168	help = true; // strip the help flag
	169	} else if ( arg == "-nohelp" ) {
	170	help = false; // strip the nohelp flag
[d746bc8]	171	} else if ( arg == "-no-include-stdhdr" ) {
	172	noincstd_flag = true; // strip the no-include-stdhdr flag
[37fe352]	173	} else if ( arg == "-in-tree" ) {
	174	intree = true;
[bbfd0e0]	175	} else if ( arg == "-dist-tree" ) {
	176	disttree = true;
[1ee048fd]	177	} else if ( arg == "-cfalib") {
	178	compiling_libs = true;
[b87a5ed]	179	} else if ( arg == "-compiler" ) {
	180	// use the user specified compiler
	181	i += 1;
	182	if ( i == argc ) continue; // next argument available ?
	183	compiler_path = argv[i];
[2c60af75]	184	Putenv( argv, arg + "=" + argv[i] );
[b87a5ed]	185
[de62360d]	186	// C specific arguments
[b87a5ed]	187
	188	} else if ( arg == "-v" ) {
	189	verbose = true; // verbosity required
[2c60af75]	190	args[nargs++] = argv[i]; // pass argument along
[b87a5ed]	191	} else if ( arg == "-g" ) {
	192	debugging = true; // symbolic debugging required
[2c60af75]	193	args[nargs++] = argv[i]; // pass argument along
[bbb1b35]	194	} else if ( arg == "-save-temps" ) {
	195	args[nargs++] = argv[i]; // pass argument along
	196	Putenv( argv, arg ); // save cfa-cpp output
[8c63bb4]	197	} else if ( prefix( arg, "-x" ) ) { // file suffix ?
	198	string lang;
[2c60af75]	199	args[nargs++] = argv[i]; // pass argument along
[8c63bb4]	200	if ( arg.length() == 2 ) { // separate argument ?
	201	i += 1;
	202	if ( i == argc ) continue; // next argument available ?
	203	lang = argv[i];
[2c60af75]	204	args[nargs++] = argv[i]; // pass argument along
[8c63bb4]	205	} else {
	206	lang = arg.substr( 2 );
	207	} // if
[4f5a8a2]	208	x_flag = lang != "none";
[e3215c5]	209	} else if ( prefix( arg, "-std=" ) \|\| prefix( arg, "--std=" ) ) {
[53ba273]	210	std_flag = true; // -std=XX provided
[2c60af75]	211	args[nargs++] = argv[i]; // pass argument along
[44bca7f]	212	} else if ( arg == "-w" ) {
[2c60af75]	213	args[nargs++] = argv[i]; // pass argument along
	214	Putenv( argv, arg );
[44bca7f]	215	} else if ( prefix( arg, "-W" ) ) { // check before next tests
	216	if ( arg == "-Werror" \|\| arg == "-Wall" ) {
[2c60af75]	217	args[nargs++] = argv[i]; // pass argument along
	218	Putenv( argv, argv[i] );
[44bca7f]	219	} else {
	220	unsigned int adv = prefix( arg, "-Wno-" ) ? 5 : 2;
[2c60af75]	221	args[nargs] = argv[i]; // conditionally pass argument along
	222	const char * warning = argv[i] + adv; // extract warning
[af39199d]	223	if ( SemanticWarning_Exist( warning ) ) { // replace the argument for cfa-cpp
[2c60af75]	224	Putenv( argv, arg );
[af39199d]	225	} // if
[44bca7f]	226	nargs += 1;
	227	} // if
[b87a5ed]	228	} else if ( prefix( arg, "-B" ) ) {
[417a630]	229	bprefix = arg.substr(2); // strip the -B flag
[b87a5ed]	230	} else if ( arg == "-c" \|\| arg == "-S" \|\| arg == "-E" \|\| arg == "-M" \|\| arg == "-MM" ) {
[2c60af75]	231	args[nargs++] = argv[i]; // pass argument along
[b87a5ed]	232	if ( arg == "-E" \|\| arg == "-M" \|\| arg == "-MM" ) {
	233	cpp_flag = true; // cpp only
	234	} // if
	235	link = false; // no linkage required
	236	} else if ( arg[1] == 'l' ) {
	237	// if the user specifies a library, load it after user code
[2c60af75]	238	libs[nlibs++] = argv[i];
[37fe352]	239	} else if ( arg == "-m32" ) {
	240	m32 = true;
	241	m64 = false;
[2c60af75]	242	args[nargs++] = argv[i];
[37fe352]	243	} else if ( arg == "-m64" ) {
	244	m64 = true;
	245	m32 = false;
[2c60af75]	246	args[nargs++] = argv[i];
[b87a5ed]	247	} else {
	248	// concatenate any other arguments
[2c60af75]	249	args[nargs++] = argv[i];
[b87a5ed]	250	} // if
	251	} else {
[8c63bb4]	252	bool cfa = suffix( arg ); // check suffix
[4f5a8a2]	253	if ( ! x_flag && cfa ) { // no explicit suffix and cfa suffix ?
[2c60af75]	254	args[nargs++] = "-x";
	255	args[nargs++] = "c";
[8c63bb4]	256	} // if
[2c60af75]	257	args[nargs++] = argv[i]; // concatenate files
[4f5a8a2]	258	if ( ! x_flag && cfa ) { // no explicit suffix and cfa suffix ?
[2c60af75]	259	args[nargs++] = "-x";
	260	args[nargs++] = "none";
[dffaeac]	261	} // if
[b87a5ed]	262	nonoptarg = true;
	263	} // if
	264	} // for
[51b7345]	265
[dffaeac]	266	#ifdef __x86_64__
[2c60af75]	267	args[nargs++] = "-mcx16"; // allow double-wide CAA
[dffaeac]	268	#endif // __x86_64__
[e3215c5]	269
[dffaeac]	270	#ifdef __DEBUG_H__
[b87a5ed]	271	cerr << "args:";
	272	for ( int i = 1; i < nargs; i += 1 ) {
	273	cerr << " " << args[i];
	274	} // for
	275	cerr << endl;
[dffaeac]	276	#endif // __DEBUG_H__
[51b7345]	277
[bbb1b35]	278	// -E flag stops at cc1 stage 1, so cfa-cpp in cc1 stage 2 is never executed.
[b87a5ed]	279	if ( cpp_flag && CFA_flag ) {
	280	cerr << argv[0] << " error, cannot use -E and -CFA flags together." << endl;
	281	exit( EXIT_FAILURE );
	282	} // if
[51b7345]	283
[6e4b913]	284	// add the CFA include-library paths, which allow direct access to header files without directory qualification
[2c60af75]	285	if ( ! intree ) {
	286	args[nargs++] = "-I" CFA_INCDIR;
[dfb7c96]	287	if ( ! noincstd_flag ) { // do not use during build
[2c60af75]	288	args[nargs++] = "-I" CFA_INCDIR "stdhdr";
[a5121bf]	289	} // if
[2c60af75]	290	args[nargs++] = "-I" CFA_INCDIR "concurrency";
	291	args[nargs++] = "-I" CFA_INCDIR "containers";
[a5121bf]	292	} else {
[2c60af75]	293	args[nargs++] = "-I" TOP_SRCDIR "libcfa/src";
[dfb7c96]	294	if ( ! noincstd_flag ) { // do not use during build
[2c60af75]	295	args[nargs++] = "-I" TOP_SRCDIR "libcfa/src" "/stdhdr";
[a5121bf]	296	} // if
[2c60af75]	297	args[nargs++] = "-I" TOP_SRCDIR "libcfa/src" "/concurrency";
	298	args[nargs++] = "-I" TOP_SRCDIR "libcfa/src" "/containers";
	299	} // if
[76c7f65]	300
[a37133c]	301	// add stdbool to get defines for bool/true/false
[2c60af75]	302	args[nargs++] = "-imacros";
	303	args[nargs++] = "stdbool.h";
[a37133c]	304
[a5121bf]	305	string libbase;
[2c60af75]	306	if ( ! intree ) {
[a5121bf]	307	libbase = CFA_LIBDIR;
[37fe352]	308	} else {
[a5121bf]	309	libbase = TOP_BUILDDIR "libcfa/";
[c2051e10]	310	} // if
[1ee048fd]	311
	312	if( compiling_libs ) {
[2c60af75]	313	Putenv( argv, "-t" );
	314	} // if
[37fe352]	315
[bbb1b35]	316	string arch( m32 ? CFA_32_CPU : (m64 ? CFA_64_CPU : CFA_DEFAULT_CPU) );
[13a984c]	317	if ( ! m32 && ! m64 ) {
	318	if ( arch == "x86" ) {
[2c60af75]	319	args[nargs++] = "-m32";
[13a984c]	320	} else if ( arch == "x64" ) {
[2c60af75]	321	args[nargs++] = "-m64";
[13a984c]	322	} // if
[dfb7c96]	323	} // if
[a5121bf]	324
[c9e640e]	325	const char * config = nolib ? "nolib" : (debug ? "debug": "nodebug");
[a5121bf]	326	string libdir = libbase + arch + "-" + config;
[dfb7c96]	327
[bbfd0e0]	328	if (!disttree) {
	329	if ( ! nolib && ! dirExists( libdir ) ) {
	330	cerr << argv[0] << " internal error, configuration " << config << " not installed." << endl;
	331	cerr << "Was looking for " << libdir << endl;
	332	for(int i = 1; i < argc; i++) {
	333	cerr << argv[i] << " ";
	334	}
	335	cerr << endl;
	336	libdir = libbase + arch + "-" + "nolib";
	337	} // if
[a5121bf]	338
[bbfd0e0]	339	if ( ! dirExists( libdir ) ) {
	340	cerr << argv[0] << " internal error, cannot find prelude directory." << endl;
	341	cerr << "Was looking for " << libdir << endl;
	342	exit( EXIT_FAILURE );
	343	} // if
[dfb7c96]	344	} // if
[a5121bf]	345
[bbfd0e0]	346	if(disttree) {
[c2051e10]	347	Putenv( argv, "--prelude-dir=" + dir(argv[0])) );
[bbfd0e0]	348	} else if(intree) {
[c2051e10]	349	Putenv( argv, "--prelude-dir=" + libdir + "/prelude") );
[bbfd0e0]	350	} else {
[c2051e10]	351	Putenv( argv, "--prelude-dir=" + libdir) );
[bbfd0e0]	352	}
[a5121bf]	353	nargs += 1;
[def9d4e]	354	for ( int i = 0; i < nlibs; i += 1 ) { // copy non-user libraries after all user libraries
[2c60af75]	355	args[nargs++] = libs[i];
[def9d4e]	356	} // for
	357
[b87a5ed]	358	if ( link ) {
[2c60af75]	359	args[nargs++] = "-Xlinker";
	360	args[nargs++] = "--undefined=__cfaabi_dbg_bits_write";
	361	args[nargs++] = "-Xlinker";
	362	args[nargs++] = "--undefined=__cfaabi_interpose_startup";
	363	args[nargs++] = "-Xlinker";
	364	args[nargs++] = "--undefined=__cfaabi_appready_startup";
[6bfe5cc]	365
[b544afa]	366	// include the cfa library in case it is needed
[2c60af75]	367	args[nargs++] = ( *new string( string("-L" ) + libdir + (intree ? "/src/.libs" : "")) ).c_str();
	368	args[nargs++] = ( *new string( string("-Wl,-rpath," ) + libdir + (intree ? "/src/.libs" : "")) ).c_str();
	369	args[nargs++] = "-Wl,--push-state,--as-needed";
	370	args[nargs++] = "-lcfathread";
	371	args[nargs++] = "-Wl,--pop-state";
	372	args[nargs++] = "-lcfa";
	373	args[nargs++] = "-lpthread";
	374	args[nargs++] = "-ldl";
	375	args[nargs++] = "-lrt";
	376	args[nargs++] = "-lm";
[51b7345]	377	} // if
	378
[2c60af75]	379	args[nargs++] = "-fexceptions"; // add exception flags (unconditionally)
[e9145a3]	380
[2c60af75]	381	// add flags based on the type of compile
[8c17ab0]	382
[2c60af75]	383	args[nargs++] = ( *new string( string("-D__CFA_MAJOR__=") + Major ) ).c_str();
	384	args[nargs++] = ( *new string( string("-D__CFA_MINOR__=") + Minor ) ).c_str();
	385	args[nargs++] = ( *new string( string("-D__CFA_PATCH__=") + Patch ) ).c_str();
	386	args[nargs++] = "-D__CFA__";
	387	args[nargs++] = "-D__CFORALL__";
	388	args[nargs++] = "-D__cforall";
[51b7345]	389
[b87a5ed]	390	if ( cpp_flag ) {
[2c60af75]	391	args[nargs++] = "-D__CPP__";
[b87a5ed]	392	} // if
[51b7345]	393
[b87a5ed]	394	if ( CFA_flag ) {
[2c60af75]	395	Putenv( argv, "-N" );
	396	Putenv( argv, "-CFA" );
[bbb1b35]	397	// -CFA implies cc1 stage 2, but gcc does not pass the -o file to this stage because it believe the file is for
	398	// the linker. Hence, the -o file is explicit passed to cc1 stage 2 and used as cfa-cpp's output file.
[2c60af75]	399	if ( o_file ) Putenv( argv, string( "-o=" ) + argv[o_file] );
[fa477f7]	400	} else {
[2c60af75]	401	Putenv( argv, "-L" );
[b87a5ed]	402	} // if
[2c60af75]	403
	404	Putenv( argv, "--prelude-dir=" + libdir + (intree ? "/prelude" : "") );
[51b7345]	405
[b87a5ed]	406	if ( debug ) {
	407	heading += " (debug)";
[2c60af75]	408	args[nargs++] = "-D__CFA_DEBUG__";
[b87a5ed]	409	} else {
	410	heading += " (no debug)";
	411	} // if
[51b7345]	412
[417a630]	413	if ( bprefix.length() == 0 ) {
[bbfd0e0]	414	if(disttree) {
[c2051e10]	415	bprefix = dir(argv[0]);
[bbfd0e0]	416	} else if(intree) {
[c2051e10]	417	bprefix = srcdriverdir;
[bbfd0e0]	418	} else {
[c2051e10]	419	bprefix = installlibdir;
[bbfd0e0]	420	}
[417a630]	421	if ( bprefix[bprefix.length() - 1] != '/' ) bprefix += '/';
	422	Putenv( argv, ( *new string( string("-B=") + bprefix ) ).c_str() );
[b87a5ed]	423	} // if
[51b7345]	424
[2c60af75]	425	args[nargs++] = "-Xlinker"; // used by backtrace
	426	args[nargs++] = "-export-dynamic";
[6bfe5cc]	427
[b87a5ed]	428	// execute the compilation command
[51b7345]	429
[b87a5ed]	430	args[0] = compiler_path.c_str(); // set compiler command for exec
	431	// find actual name of the compiler independent of the path to it
	432	int p = compiler_path.find_last_of( '/' ); // scan r -> l for first '/'
	433	if ( p == -1 ) {
	434	compiler_name = compiler_path;
	435	} else {
	436	compiler_name = *new string( compiler_path.substr( p + 1 ) );
	437	} // if
[51b7345]	438
[b87a5ed]	439	if ( prefix( compiler_name, "gcc" ) ) { // allow suffix on gcc name
[2c60af75]	440	args[nargs++] = "-no-integrated-cpp";
	441	args[nargs++] = "-Wno-deprecated";
	442	#ifdef HAVE_CAST_FUNCTION_TYPE
	443	args[nargs++] = "-Wno-cast-function-type";
	444	#endif // HAVE_CAST_FUNCTION_TYPE
[157d094]	445	if ( ! std_flag ) { // default c11, if none specified
[2c60af75]	446	args[nargs++] = "-std=gnu11";
[de62360d]	447	} // if
[2c60af75]	448	args[nargs++] = "-fgnu89-inline";
	449	args[nargs++] = "-D__int8_t_defined"; // prevent gcc type-size attributes
[417a630]	450	args[nargs++] = ( *new string( string("-B") + bprefix ) ).c_str();
[b87a5ed]	451	} else {
[e24f13a]	452	cerr << argv[0] << " error, compiler \"" << compiler_name << "\" unsupported." << endl;
[b87a5ed]	453	exit( EXIT_FAILURE );
	454	} // if
[51b7345]	455
[bbb1b35]	456	args[nargs] = nullptr; // terminate
[51b7345]	457
[dffaeac]	458	#ifdef __DEBUG_H__
[b87a5ed]	459	cerr << "nargs: " << nargs << endl;
	460	cerr << "args:" << endl;
[bbb1b35]	461	for ( int i = 0; args[i] != nullptr; i += 1 ) {
[b87a5ed]	462	cerr << " \"" << args[i] << "\"" << endl;
	463	} // for
[1ee048fd]	464	cerr << endl;
[dffaeac]	465	#endif // __DEBUG_H__
[51b7345]	466
[b87a5ed]	467	if ( ! quiet ) {
	468	cerr << "CFA " << "Version " << Version << heading << endl;
	469	if ( help ) {
	470	cerr <<
	471	"-debug\t\t\t: use cfa runtime with debug checking" << endl <<
	472	"-help\t\t\t: print this help message" << endl <<
	473	"-quiet\t\t\t: print no messages from the cfa command" << endl <<
	474	"-CFA\t\t\t: run the cpp preprocessor and the cfa-cpp translator" << endl <<
	475	"-XCFA -cfa-cpp-flag\t: pass next flag as-is to the cfa-cpp translator" << endl <<
	476	"...\t\t\t: any other " << compiler_name << " flags" << endl;
	477	} // if
[51b7345]	478	} // if
	479
[b87a5ed]	480	if ( verbose ) {
	481	if ( argc == 2 ) exit( EXIT_SUCCESS ); // if only the -v flag is specified, do not invoke gcc
[51b7345]	482
[bbb1b35]	483	for ( int i = 0; args[i] != nullptr; i += 1 ) {
[b87a5ed]	484	cerr << args[i] << " ";
	485	} // for
	486	cerr << endl;
	487	} // if
[51b7345]	488
[b87a5ed]	489	if ( ! nonoptarg ) {
	490	cerr << argv[0] << " error, no input files" << endl;
	491	exit( EXIT_FAILURE );
	492	} // if
[51b7345]	493
[b87a5ed]	494	// execute the command and return the result
[51b7345]	495
[b87a5ed]	496	execvp( args[0], (char const )args ); // should not return
[2c60af75]	497	perror( "CFA Translator error: execvp" );
[b87a5ed]	498	exit( EXIT_FAILURE );
[51b7345]	499	} // main
	500
	501	// Local Variables: //
[b87a5ed]	502	// tab-width: 4 //
	503	// mode: c++ //
[51b7345]	504	// compile-command: "make install" //
	505	// End: //

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