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source: driver/cfa.cc @ 6d44da1

ADTaaron-thesisarm-ehast-experimentalcleanup-dtorsdeferred_resnenumforall-pointer-decayjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprno_listpersistent-indexerpthread-emulationqualifiedEnum

Last change on this file since 6d44da1 was 6d44da1, checked in by Thierry Delisle <tdelisle@…>, 6 years ago
Merge branch 'master' into shared_library
Property mode set to `100644`
File size: 17.7 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	//
[76c7f65e]	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
[bec4d24]	12	// Last Modified On : Mon Sep 3 16:47:59 2018
	13	// Update Count : 275
[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
[51b7345]	22
[37fe352]	23	#include <sys/types.h>
	24	#include <sys/stat.h>
	25
[44bca7f]	26	#include "Common/SemanticError.h"
[b87a5ed]	27	#include "config.h" // configure info
[51b7345]	28
	29	using std::cerr;
	30	using std::endl;
	31	using std::string;
[47a8d17]	32	using std::to_string;
[51b7345]	33
	34
	35	//#define __DEBUG_H__
	36
	37
	38	bool prefix( string arg, string pre ) {
[b87a5ed]	39	return arg.substr( 0, pre.size() ) == pre;
[51b7345]	40	} // prefix
	41
[dffaeac]	42	enum { NumSuffixes = 2 };
	43	const string suffixes[NumSuffixes] = { "cfa", "hfa", };
	44
[bec4d24]	45	bool suffix( string arg, const char * args[], int & nargs ) {
[dffaeac]	46	//std::cerr << arg << std::endl;
	47	size_t dot = arg.find_last_of( "." );
	48	//std::cerr << dot << " " << (dot != string::npos ? arg.substr( dot + 1 ) : "fred" ) << std::endl;
	49	if ( dot == string::npos ) return false;
	50	string sx = arg.substr( dot + 1 );
	51	for ( int i = 0; i < NumSuffixes; i += 1 ) {
[b740f0b]	52	if ( sx == suffixes[i] ) {
	53	args[nargs] = "-x";
	54	nargs += 1;
	55	args[nargs] = "c";
	56	nargs += 1;
[bec4d24]	57	return true;
[b740f0b]	58	} // if
[dffaeac]	59	} // for
	60	return false;
	61	} // suffix
	62
[51b7345]	63
	64	void shuffle( const char *args[], int S, int E, int N ) {
[b87a5ed]	65	// S & E index 1 passed the end so adjust with -1
[dffaeac]	66	#ifdef __DEBUG_H__
[b87a5ed]	67	cerr << "shuffle:" << S << " " << E << " " << N << endl;
[dffaeac]	68	#endif // __DEBUG_H__
[b87a5ed]	69	for ( int j = E-1 + N; j > S-1 + N; j -=1 ) {
[dffaeac]	70	#ifdef __DEBUG_H__
[b87a5ed]	71	cerr << "\t" << j << " " << j-N << endl;
[dffaeac]	72	#endif // __DEBUG_H__
[b87a5ed]	73	args[j] = args[j-N];
	74	} // for
[51b7345]	75	} // shuffle
	76
[37fe352]	77	static inline bool dirExists(const string & path) {
	78	struct stat info;
	79	if(stat( path.c_str(), &info ) != 0)
	80	return false;
	81	else if(info.st_mode & S_IFDIR)
	82	return true;
	83	else
	84	return false;
	85	} //dirExists
	86
[51b7345]	87
[4b1afb6]	88	#define str(s) #s
	89
[51b7345]	90	int main( int argc, char *argv[] ) {
[4b1afb6]	91	string Version( CFA_VERSION_LONG ); // current version number from CONFIG
	92	string Major( str( CFA_VERSION_MAJOR ) ), Minor( str( CFA_VERSION_MINOR ) ), Patch( str( CFA_VERSION_PATCH ) );
[51b7345]	93
[d6f4488]	94	string installincdir( CFA_INCDIR ); // fixed location of include files
	95	string installlibdir( CFA_LIBDIR ); // fixed location of cc1 and cfa-cpp commands when installed
	96	string srcdriverdir ( TOP_BUILDDIR "driver"); // fixed location of cc1 and cfa-cpp commands when in tree
[51b7345]	97
[b87a5ed]	98	string heading; // banner printed at start of cfa compilation
	99	string arg; // current command-line argument during command-line parsing
	100	string Bprefix; // path where gcc looks for compiler command steps
	101	string langstd; // language standard
[51b7345]	102
[e24f13a]	103	string compiler_path( CFA_BACKEND_CC ); // path/name of C compiler
[b87a5ed]	104	string compiler_name; // name of C compiler
[51b7345]	105
[b87a5ed]	106	bool nonoptarg = false; // indicates non-option argument specified
	107	bool link = true; // linking as well as compiling
	108	bool verbose = false; // -v flag
	109	bool quiet = false; // -quiet flag
	110	bool debug = true; // -debug flag
	111	bool help = false; // -help flag
	112	bool CFA_flag = false; // -CFA flag
	113	bool cpp_flag = false; // -E or -M flag, preprocessor only
[de62360d]	114	bool std_flag = false; // -std= flag
[d746bc8]	115	bool noincstd_flag = false; // -no-include-stdhdr= flag
[dffaeac]	116	bool xflag = false; // user supplied -x flag
[6e4b913]	117	bool debugging __attribute(( unused )) = false; // -g flag
[37fe352]	118	bool m32 = false; // -m32 flag
	119	bool m64 = false; // -m64 flag
	120	bool intree = false;
[51b7345]	121
[b87a5ed]	122	const char *args[argc + 100]; // cfa command line values, plus some space for additional flags
	123	int sargs = 1; // starting location for arguments in args list
	124	int nargs = sargs; // number of arguments in args list; 0 => command name
[51b7345]	125
[b87a5ed]	126	const char *libs[argc + 20]; // non-user libraries must come separately, plus some added libraries and flags
	127	int nlibs = 0;
[51b7345]	128
[dffaeac]	129	#ifdef __DEBUG_H__
[b87a5ed]	130	cerr << "CFA:" << endl;
[bec4d24]	131	for ( int i = 1; i < argc; i += 1 ) {
	132	cerr << "argv[" << i << "]:\"" << argv[i] << "\"" << endl;
	133	} // for
[dffaeac]	134	#endif // __DEBUG_H__
[51b7345]	135
[b87a5ed]	136	// process command-line arguments
[51b7345]	137
[b87a5ed]	138	for ( int i = 1; i < argc; i += 1 ) {
	139	arg = argv[i]; // convert to string value
	140	if ( prefix( arg, "-" ) ) {
	141	// pass through arguments
	142
	143	if ( arg == "-Xlinker" \|\| arg == "-o" ) {
	144	args[nargs] = argv[i]; // pass the argument along
	145	nargs += 1;
	146	i += 1;
	147	if ( i == argc ) continue; // next argument available ?
	148	args[nargs] = argv[i]; // pass the argument along
	149	nargs += 1;
	150	} else if ( arg == "-XCFA" ) { // CFA pass through
	151	i += 1;
	152	args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + argv[i] ) ).c_str();
	153	nargs += 1;
	154
	155	// CFA specific arguments
	156
	157	} else if ( arg == "-CFA" ) {
	158	CFA_flag = true; // strip the -CFA flag
	159	link = false;
	160	args[nargs] = "-E"; // replace the argument with -E
	161	nargs += 1;
	162	} else if ( arg == "-debug" ) {
	163	debug = true; // strip the debug flag
	164	} else if ( arg == "-nodebug" ) {
	165	debug = false; // strip the nodebug flag
	166	} else if ( arg == "-quiet" ) {
	167	quiet = true; // strip the quiet flag
	168	} else if ( arg == "-noquiet" ) {
	169	quiet = false; // strip the noquiet flag
	170	} else if ( arg == "-help" ) {
	171	help = true; // strip the help flag
	172	} else if ( arg == "-nohelp" ) {
	173	help = false; // strip the nohelp flag
[d746bc8]	174	} else if ( arg == "-no-include-stdhdr" ) {
	175	noincstd_flag = true; // strip the no-include-stdhdr flag
[37fe352]	176	} else if ( arg == "-in-tree" ) {
	177	intree = true;
[b87a5ed]	178	} else if ( arg == "-compiler" ) {
	179	// use the user specified compiler
	180	i += 1;
	181	if ( i == argc ) continue; // next argument available ?
	182	compiler_path = argv[i];
[d6f4488]	183	if ( putenv( (char )( new string( string( "__CFA_COMPILER__=" ) + argv[i]) ).c_str() ) != 0 ) {
[b87a5ed]	184	cerr << argv[0] << " error, cannot set environment variable." << endl;
	185	exit( EXIT_FAILURE );
	186	} // if
	187
[de62360d]	188	// C specific arguments
[b87a5ed]	189
	190	} else if ( arg == "-v" ) {
	191	verbose = true; // verbosity required
	192	args[nargs] = argv[i]; // pass the argument along
	193	nargs += 1;
	194	} else if ( arg == "-g" ) {
	195	debugging = true; // symbolic debugging required
	196	args[nargs] = argv[i]; // pass the argument along
	197	nargs += 1;
[e3215c5]	198	} else if ( prefix( arg, "-std=" ) \|\| prefix( arg, "--std=" ) ) {
[53ba273]	199	std_flag = true; // -std=XX provided
[de62360d]	200	args[nargs] = argv[i]; // pass the argument along
	201	nargs += 1;
[44bca7f]	202	} else if ( arg == "-w" ) {
	203	args[nargs] = argv[i]; // pass the argument along
	204	nargs += 1;
	205	args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + arg ) ).c_str(); // add the argument for cfa-cpp
	206	nargs += 1;
	207	} else if ( prefix( arg, "-W" ) ) { // check before next tests
	208	if ( arg == "-Werror" \|\| arg == "-Wall" ) {
	209	args[nargs] = argv[i]; // pass the argument along
	210	nargs += 1;
	211	args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + arg ) ).c_str(); // add the argument for cfa-cpp
	212	nargs += 1;
	213	} else {
	214	unsigned int adv = prefix( arg, "-Wno-" ) ? 5 : 2;
	215	args[nargs] = argv[i]; // conditionally pass the argument along
[af39199d]	216	const char * warning = argv[i] + adv; // extract warning
	217	if ( SemanticWarning_Exist( warning ) ) { // replace the argument for cfa-cpp
	218	args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + arg ) ).c_str();
	219	} // if
[44bca7f]	220	nargs += 1;
	221	} // if
[b87a5ed]	222	} else if ( prefix( arg, "-B" ) ) {
	223	Bprefix = arg.substr(2); // strip the -B flag
	224	args[nargs] = ( *new string( string("-D__GCC_BPREFIX__=") + Bprefix ) ).c_str();
	225	nargs += 1;
	226	} else if ( prefix( arg, "-b" ) ) {
	227	if ( arg.length() == 2 ) { // separate argument ?
	228	i += 1;
	229	if ( i == argc ) continue; // next argument available ?
	230	arg += argv[i]; // concatenate argument
	231	} // if
	232	// later versions of gcc require the -b option to appear at the start of the command line
	233	shuffle( args, sargs, nargs, 1 ); // make room at front of argument list
	234	args[sargs] = ( *new string( arg ) ).c_str(); // pass the argument along
	235	if ( putenv( (char )( new string( string( "__GCC_MACHINE__=" ) + arg ) ).c_str() ) != 0 ) {
	236	cerr << argv[0] << " error, cannot set environment variable." << endl;
	237	exit( EXIT_FAILURE );
	238	} // if
	239	sargs += 1;
	240	nargs += 1;
	241	} else if ( prefix( arg, "-V" ) ) {
	242	if ( arg.length() == 2 ) { // separate argument ?
	243	i += 1;
	244	if ( i == argc ) continue; // next argument available ?
	245	arg += argv[i]; // concatenate argument
	246	} // if
	247	// later versions of gcc require the -V option to appear at the start of the command line
	248	shuffle( args, sargs, nargs, 1 ); // make room at front of argument list
	249	args[sargs] = ( *new string( arg ) ).c_str(); // pass the argument along
	250	if ( putenv( (char )( new string( string( "__GCC_VERSION__=" ) + arg ) ).c_str() ) != 0 ) {
	251	cerr << argv[0] << " error, cannot set environment variable." << endl;
	252	exit( EXIT_FAILURE );
	253	} // if
	254	sargs += 1;
	255	nargs += 1;
	256	} else if ( arg == "-c" \|\| arg == "-S" \|\| arg == "-E" \|\| arg == "-M" \|\| arg == "-MM" ) {
	257	args[nargs] = argv[i]; // pass the argument along
	258	nargs += 1;
	259	if ( arg == "-E" \|\| arg == "-M" \|\| arg == "-MM" ) {
	260	cpp_flag = true; // cpp only
	261	} // if
	262	link = false; // no linkage required
	263	} else if ( arg[1] == 'l' ) {
	264	// if the user specifies a library, load it after user code
	265	libs[nlibs] = argv[i];
	266	nlibs += 1;
[37fe352]	267	} else if ( arg == "-m32" ) {
	268	m32 = true;
	269	m64 = false;
	270	args[nargs] = argv[i];
	271	nargs += 1;
	272	} else if ( arg == "-m64" ) {
	273	m64 = true;
	274	m32 = false;
	275	args[nargs] = argv[i];
	276	nargs += 1;
[b87a5ed]	277	} else {
	278	// concatenate any other arguments
	279	args[nargs] = argv[i];
	280	nargs += 1;
	281	} // if
	282	} else {
[bec4d24]	283	bool cfa = suffix( arg, args, nargs ); // check suffix
	284	args[nargs] = argv[i]; // concatenate file
[b87a5ed]	285	nargs += 1;
[bec4d24]	286	if ( cfa ) {
[dffaeac]	287	args[nargs] = "-x";
	288	nargs += 1;
	289	args[nargs] = "none";
	290	nargs += 1;
	291	} // if
[b87a5ed]	292	nonoptarg = true;
[dffaeac]	293	xflag = false;
[b87a5ed]	294	} // if
	295	} // for
[51b7345]	296
[bec4d24]	297	args[nargs] = "-x"; // turn off language
	298	nargs += 1;
	299	args[nargs] = "none";
	300	nargs += 1;
	301
[dffaeac]	302	#ifdef __x86_64__
[a83d08b]	303	args[nargs] = "-mcx16"; // allow double-wide CAA
	304	nargs += 1;
[dffaeac]	305	#endif // __x86_64__
[e3215c5]	306
[dffaeac]	307	#ifdef __DEBUG_H__
[b87a5ed]	308	cerr << "args:";
	309	for ( int i = 1; i < nargs; i += 1 ) {
	310	cerr << " " << args[i];
	311	} // for
	312	cerr << endl;
[dffaeac]	313	#endif // __DEBUG_H__
[51b7345]	314
[b87a5ed]	315	if ( cpp_flag && CFA_flag ) {
	316	cerr << argv[0] << " error, cannot use -E and -CFA flags together." << endl;
	317	exit( EXIT_FAILURE );
	318	} // if
[51b7345]	319
[6e4b913]	320	// add the CFA include-library paths, which allow direct access to header files without directory qualification
[a5121bf]	321	if( !intree ) {
	322	args[nargs] = "-I" CFA_INCDIR;
[d746bc8]	323	nargs += 1;
[dfb7c96]	324	if ( ! noincstd_flag ) { // do not use during build
[b740f0b]	325	args[nargs] = "-I" CFA_INCDIR "stdhdr";
[a5121bf]	326	nargs += 1;
	327	} // if
[b740f0b]	328	args[nargs] = "-I" CFA_INCDIR "concurrency";
[a5121bf]	329	nargs += 1;
[b740f0b]	330	args[nargs] = "-I" CFA_INCDIR "containers";
[a5121bf]	331	nargs += 1;
	332	} else {
	333	args[nargs] = "-I" TOP_SRCDIR "libcfa/src";
	334	nargs += 1;
[dfb7c96]	335	if ( ! noincstd_flag ) { // do not use during build
[a5121bf]	336	args[nargs] = "-I" TOP_SRCDIR "libcfa/src" "/stdhdr";
	337	nargs += 1;
	338	} // if
	339	args[nargs] = "-I" TOP_SRCDIR "libcfa/src" "/concurrency";
	340	nargs += 1;
	341	args[nargs] = "-I" TOP_SRCDIR "libcfa/src" "/containers";
	342	nargs += 1;
	343	}
[76c7f65e]	344
[a37133c]	345	// add stdbool to get defines for bool/true/false
	346	args[nargs] = "-imacros";
	347	nargs += 1;
	348	args[nargs] = "stdbool.h";
	349	nargs += 1;
	350
[a5121bf]	351	string libbase;
[37fe352]	352	if( !intree ) {
[a5121bf]	353	libbase = CFA_LIBDIR;
[37fe352]	354	} else {
[a5121bf]	355	libbase = TOP_BUILDDIR "libcfa/";
[37fe352]	356	args[nargs] = "-D__CFA_FLAG__=-t";
	357	nargs += 1;
	358	}
	359
[dfb7c96]	360	string arch = m32 ? CFA_32_CPU : (m64 ? CFA_64_CPU : CFA_DEFAULT_CPU);
[13a984c]	361	if ( ! m32 && ! m64 ) {
	362	if ( arch == "x86" ) {
	363	args[nargs] = "-m32";
	364	nargs += 1;
	365	} else if ( arch == "x64" ) {
	366	args[nargs] = "-m64";
	367	nargs += 1;
	368	} // if
[dfb7c96]	369	} // if
[a5121bf]	370	const char * config = debug ? "debug": "nodebug";
	371	string libdir = libbase + arch + "-" + config;
[dfb7c96]	372
	373	if ( ! dirExists( libdir ) ) {
[a5121bf]	374	cerr << argv[0] << " internal error, configuration " << config << " not installed." << endl;
	375	cerr << "Was looking for " << libdir << endl;
	376	libdir = libbase + arch + "-" + "nolib";
[dfb7c96]	377	} // if
[a5121bf]	378
[dfb7c96]	379	if ( ! dirExists( libdir ) ) {
[a5121bf]	380	cerr << argv[0] << " internal error, cannot find prelude directory." << endl;
	381	cerr << "Was looking for " << libdir << endl;
	382	exit( EXIT_FAILURE );
[dfb7c96]	383	} // if
[a5121bf]	384
	385	args[nargs] = ( *new string( string("-D__CFA_FLAG__=--prelude-dir=" ) + libdir + (intree ? "/prelude" : "")) ).c_str();
	386	nargs += 1;
	387
[b87a5ed]	388	if ( link ) {
[6bfe5cc]	389	args[nargs] = "-Xlinker";
	390	nargs += 1;
	391	args[nargs] = "--undefined=__cfaabi_dbg_bits_write";
	392	nargs += 1;
	393	args[nargs] = "-Xlinker";
	394	nargs += 1;
	395	args[nargs] = "--undefined=__cfaabi_interpose_startup";
	396	nargs += 1;
[c2ea058]	397	args[nargs] = "-Xlinker";
	398	nargs += 1;
	399	args[nargs] = "--undefined=__cfaabi_appready_startup";
	400	nargs += 1;
[1997b4e]	401	args[nargs] = "-Xlinker";
	402	nargs += 1;
	403	args[nargs] = "--undefined=__cfaabi_dbg_record";
	404	nargs += 1;
[6bfe5cc]	405
[b87a5ed]	406	// include the cfa library in case it's needed
[eed6f5b]	407	args[nargs] = ( *new string( string("-L" ) + libdir + (intree ? "/src/.libs" : "")) ).c_str();
[a5121bf]	408	nargs += 1;
[8bdc1c36]	409	args[nargs] = ( *new string( string("-Wl,-rpath," ) + libdir + (intree ? "/src/.libs" : "")) ).c_str();
	410	nargs += 1;
[37fe352]	411	args[nargs] = "-lcfa";
[51b7345]	412	nargs += 1;
[63f78f0]	413	args[nargs] = "-lpthread";
	414	nargs += 1;
[9d944b2]	415	args[nargs] = "-ldl";
	416	nargs += 1;
[c5ac6d5]	417	args[nargs] = "-lrt";
	418	nargs += 1;
[51b7345]	419	} // if
	420
[e9145a3]	421	// Add exception flags (unconditionally)
	422	args[nargs] = "-fexceptions";
	423	nargs += 1;
	424
[b87a5ed]	425	// add the correct set of flags based on the type of compile this is
[8c17ab0]	426
[ec129c4]	427	args[nargs] = ( *new string( string("-D__CFA_MAJOR__=") + Major ) ).c_str();
[51b7345]	428	nargs += 1;
[b87a5ed]	429	args[nargs] = ( *new string( string("-D__CFA_MINOR__=") + Minor ) ).c_str();
[51b7345]	430	nargs += 1;
[ec129c4]	431	args[nargs] = ( *new string( string("-D__CFA_PATCH__=") + Patch ) ).c_str();
[1db21619]	432	nargs += 1;
[4c82a3c]	433	args[nargs] = "-D__CFA__";
	434	nargs += 1;
	435	args[nargs] = "-D__CFORALL__";
[02e5ab6]	436	nargs += 1;
[6acb935]	437	args[nargs] = "-D__cforall";
	438	nargs += 1;
[51b7345]	439
[b87a5ed]	440	if ( cpp_flag ) {
	441	args[nargs] = "-D__CPP__";
	442	nargs += 1;
	443	} // if
[51b7345]	444
[fa477f7]	445	shuffle( args, sargs, nargs, 1 ); // make room at front of argument list
	446	nargs += 1;
[b87a5ed]	447	if ( CFA_flag ) {
[fa477f7]	448	args[sargs] = "-D__CFA_FLAG__=-N";
[4c82a3c]	449	args[nargs] = "-D__CFA_PREPROCESS_";
[b87a5ed]	450	nargs += 1;
[fa477f7]	451	} else {
	452	args[sargs] = "-D__CFA_FLAG__=-L";
[b87a5ed]	453	} // if
[fa477f7]	454	sargs += 1;
[51b7345]	455
[b87a5ed]	456	if ( debug ) {
	457	heading += " (debug)";
	458	args[nargs] = "-D__CFA_DEBUG__";
	459	nargs += 1;
	460	} else {
	461	heading += " (no debug)";
	462	} // if
[51b7345]	463
[b87a5ed]	464	if ( Bprefix.length() == 0 ) {
[b740f0b]	465	Bprefix = ! intree ? installlibdir : srcdriverdir;
	466	if ( Bprefix[Bprefix.length() - 1] != '/' ) Bprefix += '/';
[b87a5ed]	467	args[nargs] = ( *new string( string("-D__GCC_BPREFIX__=") + Bprefix ) ).c_str();
	468	nargs += 1;
	469	} // if
[51b7345]	470
[37fe352]	471	args[nargs] = "-Xlinker"; // used by backtrace
	472	nargs += 1;
	473	args[nargs] = "-export-dynamic";
	474	nargs += 1;
[6bfe5cc]	475
[b87a5ed]	476	// execute the compilation command
[51b7345]	477
[b87a5ed]	478	args[0] = compiler_path.c_str(); // set compiler command for exec
	479	// find actual name of the compiler independent of the path to it
	480	int p = compiler_path.find_last_of( '/' ); // scan r -> l for first '/'
	481	if ( p == -1 ) {
	482	compiler_name = compiler_path;
	483	} else {
	484	compiler_name = *new string( compiler_path.substr( p + 1 ) );
	485	} // if
[51b7345]	486
[b87a5ed]	487	if ( prefix( compiler_name, "gcc" ) ) { // allow suffix on gcc name
	488	args[nargs] = "-no-integrated-cpp";
	489	nargs += 1;
[76c7f65e]	490	args[nargs] = "-Wno-deprecated";
[b87a5ed]	491	nargs += 1;
[157d094]	492	if ( ! std_flag ) { // default c11, if none specified
	493	args[nargs] = "-std=gnu11";
[de62360d]	494	nargs += 1;
	495	} // if
[76c7f65e]	496	args[nargs] = "-fgnu89-inline";
[6e991d6]	497	nargs += 1;
[201aeb9]	498	args[nargs] = "-D__int8_t_defined"; // prevent gcc type-size attributes
	499	nargs += 1;
[b740f0b]	500	args[nargs] = ( *new string( string("-B") + Bprefix ) ).c_str();
[b87a5ed]	501	nargs += 1;
[d3b7937]	502	args[nargs] = "-lm";
	503	nargs += 1;
[b87a5ed]	504	} else {
[e24f13a]	505	cerr << argv[0] << " error, compiler \"" << compiler_name << "\" unsupported." << endl;
[b87a5ed]	506	exit( EXIT_FAILURE );
	507	} // if
[51b7345]	508
[b87a5ed]	509	for ( int i = 0; i < nlibs; i += 1 ) { // copy non-user libraries after all user libraries
	510	args[nargs] = libs[i];
	511	nargs += 1;
	512	} // for
[51b7345]	513
[b87a5ed]	514	args[nargs] = NULL; // terminate with NULL
[51b7345]	515
[dffaeac]	516	#ifdef __DEBUG_H__
[b87a5ed]	517	cerr << "nargs: " << nargs << endl;
	518	cerr << "args:" << endl;
	519	for ( int i = 0; args[i] != NULL; i += 1 ) {
	520	cerr << " \"" << args[i] << "\"" << endl;
	521	} // for
[dffaeac]	522	#endif // __DEBUG_H__
[51b7345]	523
[b87a5ed]	524	if ( ! quiet ) {
	525	cerr << "CFA " << "Version " << Version << heading << endl;
	526
	527	if ( help ) {
	528	cerr <<
	529	"-debug\t\t\t: use cfa runtime with debug checking" << endl <<
	530	"-help\t\t\t: print this help message" << endl <<
	531	"-quiet\t\t\t: print no messages from the cfa command" << endl <<
	532	"-CFA\t\t\t: run the cpp preprocessor and the cfa-cpp translator" << endl <<
	533	"-XCFA -cfa-cpp-flag\t: pass next flag as-is to the cfa-cpp translator" << endl <<
	534	"...\t\t\t: any other " << compiler_name << " flags" << endl;
	535	} // if
[51b7345]	536	} // if
	537
[b87a5ed]	538	if ( verbose ) {
	539	if ( argc == 2 ) exit( EXIT_SUCCESS ); // if only the -v flag is specified, do not invoke gcc
[51b7345]	540
[b87a5ed]	541	for ( int i = 0; args[i] != NULL; i += 1 ) {
	542	cerr << args[i] << " ";
	543	} // for
	544	cerr << endl;
	545	} // if
[51b7345]	546
[b87a5ed]	547	if ( ! nonoptarg ) {
	548	cerr << argv[0] << " error, no input files" << endl;
	549	exit( EXIT_FAILURE );
	550	} // if
[51b7345]	551
[b87a5ed]	552	// execute the command and return the result
[51b7345]	553
[b87a5ed]	554	execvp( args[0], (char const )args ); // should not return
	555	perror( "CFA Translator error: cfa level, execvp" );
	556	exit( EXIT_FAILURE );
[51b7345]	557	} // main
	558
	559	// Local Variables: //
[b87a5ed]	560	// tab-width: 4 //
	561	// mode: c++ //
[51b7345]	562	// compile-command: "make install" //
	563	// End: //

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