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source: driver/cfa.cc @ df43791

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

Last change on this file since df43791 was 34a6b2e, checked in by Peter A. Buhr <pabuhr@…>, 6 years ago
Merge branch 'master' of plg2:software/cfa/cfa-cc
Property mode set to `100644`
File size: 17.5 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
[b32ad080]	12	// Last Modified On : Fri Sep 14 23:02:59 2018
	13	// Update Count : 277
[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;
[bec4d24]	49	if ( dot == string::npos ) return false;
[dffaeac]	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
[bec4d24]	60	return false;
[dffaeac]	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
[6e4b913]	116	bool debugging __attribute(( unused )) = false; // -g flag
[37fe352]	117	bool m32 = false; // -m32 flag
	118	bool m64 = false; // -m64 flag
	119	bool intree = false;
[51b7345]	120
[b87a5ed]	121	const char *args[argc + 100]; // cfa command line values, plus some space for additional flags
	122	int sargs = 1; // starting location for arguments in args list
	123	int nargs = sargs; // number of arguments in args list; 0 => command name
[51b7345]	124
[b87a5ed]	125	const char *libs[argc + 20]; // non-user libraries must come separately, plus some added libraries and flags
	126	int nlibs = 0;
[51b7345]	127
[dffaeac]	128	#ifdef __DEBUG_H__
[b87a5ed]	129	cerr << "CFA:" << endl;
[bec4d24]	130	for ( int i = 1; i < argc; i += 1 ) {
	131	cerr << "argv[" << i << "]:\"" << argv[i] << "\"" << endl;
	132	} // for
[dffaeac]	133	#endif // __DEBUG_H__
[51b7345]	134
[b87a5ed]	135	// process command-line arguments
[51b7345]	136
[b87a5ed]	137	for ( int i = 1; i < argc; i += 1 ) {
	138	arg = argv[i]; // convert to string value
	139	if ( prefix( arg, "-" ) ) {
	140	// pass through arguments
	141
	142	if ( arg == "-Xlinker" \|\| arg == "-o" ) {
	143	args[nargs] = argv[i]; // pass the argument along
	144	nargs += 1;
	145	i += 1;
	146	if ( i == argc ) continue; // next argument available ?
	147	args[nargs] = argv[i]; // pass the argument along
	148	nargs += 1;
	149	} else if ( arg == "-XCFA" ) { // CFA pass through
	150	i += 1;
	151	args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + argv[i] ) ).c_str();
	152	nargs += 1;
	153
	154	// CFA specific arguments
	155
	156	} else if ( arg == "-CFA" ) {
	157	CFA_flag = true; // strip the -CFA flag
	158	link = false;
	159	args[nargs] = "-E"; // replace the argument with -E
	160	nargs += 1;
	161	} else if ( arg == "-debug" ) {
	162	debug = true; // strip the debug flag
	163	} else if ( arg == "-nodebug" ) {
	164	debug = false; // strip the nodebug flag
	165	} else if ( arg == "-quiet" ) {
	166	quiet = true; // strip the quiet flag
	167	} else if ( arg == "-noquiet" ) {
	168	quiet = false; // strip the noquiet flag
	169	} else if ( arg == "-help" ) {
	170	help = true; // strip the help flag
	171	} else if ( arg == "-nohelp" ) {
	172	help = false; // strip the nohelp flag
[d746bc8]	173	} else if ( arg == "-no-include-stdhdr" ) {
	174	noincstd_flag = true; // strip the no-include-stdhdr flag
[37fe352]	175	} else if ( arg == "-in-tree" ) {
	176	intree = true;
[b87a5ed]	177	} else if ( arg == "-compiler" ) {
	178	// use the user specified compiler
	179	i += 1;
	180	if ( i == argc ) continue; // next argument available ?
	181	compiler_path = argv[i];
[d6f4488]	182	if ( putenv( (char )( new string( string( "__CFA_COMPILER__=" ) + argv[i]) ).c_str() ) != 0 ) {
[b87a5ed]	183	cerr << argv[0] << " error, cannot set environment variable." << endl;
	184	exit( EXIT_FAILURE );
	185	} // if
	186
[de62360d]	187	// C specific arguments
[b87a5ed]	188
	189	} else if ( arg == "-v" ) {
	190	verbose = true; // verbosity required
	191	args[nargs] = argv[i]; // pass the argument along
	192	nargs += 1;
	193	} else if ( arg == "-g" ) {
	194	debugging = true; // symbolic debugging required
	195	args[nargs] = argv[i]; // pass the argument along
	196	nargs += 1;
[e3215c5]	197	} else if ( prefix( arg, "-std=" ) \|\| prefix( arg, "--std=" ) ) {
[53ba273]	198	std_flag = true; // -std=XX provided
[de62360d]	199	args[nargs] = argv[i]; // pass the argument along
	200	nargs += 1;
[44bca7f]	201	} else if ( arg == "-w" ) {
	202	args[nargs] = argv[i]; // pass the argument along
	203	nargs += 1;
	204	args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + arg ) ).c_str(); // add the argument for cfa-cpp
	205	nargs += 1;
	206	} else if ( prefix( arg, "-W" ) ) { // check before next tests
	207	if ( arg == "-Werror" \|\| arg == "-Wall" ) {
	208	args[nargs] = argv[i]; // pass the argument along
	209	nargs += 1;
	210	args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + arg ) ).c_str(); // add the argument for cfa-cpp
	211	nargs += 1;
	212	} else {
	213	unsigned int adv = prefix( arg, "-Wno-" ) ? 5 : 2;
	214	args[nargs] = argv[i]; // conditionally pass the argument along
[af39199d]	215	const char * warning = argv[i] + adv; // extract warning
	216	if ( SemanticWarning_Exist( warning ) ) { // replace the argument for cfa-cpp
	217	args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + arg ) ).c_str();
	218	} // if
[44bca7f]	219	nargs += 1;
	220	} // if
[b87a5ed]	221	} else if ( prefix( arg, "-B" ) ) {
	222	Bprefix = arg.substr(2); // strip the -B flag
	223	args[nargs] = ( *new string( string("-D__GCC_BPREFIX__=") + Bprefix ) ).c_str();
	224	nargs += 1;
	225	} else if ( prefix( arg, "-b" ) ) {
	226	if ( arg.length() == 2 ) { // separate argument ?
	227	i += 1;
	228	if ( i == argc ) continue; // next argument available ?
	229	arg += argv[i]; // concatenate argument
	230	} // if
	231	// later versions of gcc require the -b option to appear at the start of the command line
	232	shuffle( args, sargs, nargs, 1 ); // make room at front of argument list
	233	args[sargs] = ( *new string( arg ) ).c_str(); // pass the argument along
	234	if ( putenv( (char )( new string( string( "__GCC_MACHINE__=" ) + arg ) ).c_str() ) != 0 ) {
	235	cerr << argv[0] << " error, cannot set environment variable." << endl;
	236	exit( EXIT_FAILURE );
	237	} // if
	238	sargs += 1;
	239	nargs += 1;
	240	} else if ( prefix( arg, "-V" ) ) {
	241	if ( arg.length() == 2 ) { // separate argument ?
	242	i += 1;
	243	if ( i == argc ) continue; // next argument available ?
	244	arg += argv[i]; // concatenate argument
	245	} // if
	246	// later versions of gcc require the -V option to appear at the start of the command line
	247	shuffle( args, sargs, nargs, 1 ); // make room at front of argument list
	248	args[sargs] = ( *new string( arg ) ).c_str(); // pass the argument along
	249	if ( putenv( (char )( new string( string( "__GCC_VERSION__=" ) + arg ) ).c_str() ) != 0 ) {
	250	cerr << argv[0] << " error, cannot set environment variable." << endl;
	251	exit( EXIT_FAILURE );
	252	} // if
	253	sargs += 1;
	254	nargs += 1;
	255	} else if ( arg == "-c" \|\| arg == "-S" \|\| arg == "-E" \|\| arg == "-M" \|\| arg == "-MM" ) {
	256	args[nargs] = argv[i]; // pass the argument along
	257	nargs += 1;
	258	if ( arg == "-E" \|\| arg == "-M" \|\| arg == "-MM" ) {
	259	cpp_flag = true; // cpp only
	260	} // if
	261	link = false; // no linkage required
	262	} else if ( arg[1] == 'l' ) {
	263	// if the user specifies a library, load it after user code
	264	libs[nlibs] = argv[i];
	265	nlibs += 1;
[37fe352]	266	} else if ( arg == "-m32" ) {
	267	m32 = true;
	268	m64 = false;
	269	args[nargs] = argv[i];
	270	nargs += 1;
	271	} else if ( arg == "-m64" ) {
	272	m64 = true;
	273	m32 = false;
	274	args[nargs] = argv[i];
	275	nargs += 1;
[b87a5ed]	276	} else {
	277	// concatenate any other arguments
	278	args[nargs] = argv[i];
	279	nargs += 1;
	280	} // if
	281	} else {
[bec4d24]	282	bool cfa = suffix( arg, args, nargs ); // check suffix
	283	args[nargs] = argv[i]; // concatenate file
[b87a5ed]	284	nargs += 1;
[bec4d24]	285	if ( cfa ) {
[dffaeac]	286	args[nargs] = "-x";
	287	nargs += 1;
	288	args[nargs] = "none";
	289	nargs += 1;
	290	} // if
[b87a5ed]	291	nonoptarg = true;
	292	} // if
	293	} // for
[51b7345]	294
[b32ad080]	295	args[nargs] = "-x"; // turn off language
[bec4d24]	296	nargs += 1;
	297	args[nargs] = "none";
	298	nargs += 1;
	299
[dffaeac]	300	#ifdef __x86_64__
[a83d08b]	301	args[nargs] = "-mcx16"; // allow double-wide CAA
	302	nargs += 1;
[dffaeac]	303	#endif // __x86_64__
[e3215c5]	304
[dffaeac]	305	#ifdef __DEBUG_H__
[b87a5ed]	306	cerr << "args:";
	307	for ( int i = 1; i < nargs; i += 1 ) {
	308	cerr << " " << args[i];
	309	} // for
	310	cerr << endl;
[dffaeac]	311	#endif // __DEBUG_H__
[51b7345]	312
[b87a5ed]	313	if ( cpp_flag && CFA_flag ) {
	314	cerr << argv[0] << " error, cannot use -E and -CFA flags together." << endl;
	315	exit( EXIT_FAILURE );
	316	} // if
[51b7345]	317
[6e4b913]	318	// add the CFA include-library paths, which allow direct access to header files without directory qualification
[a5121bf]	319	if( !intree ) {
	320	args[nargs] = "-I" CFA_INCDIR;
[d746bc8]	321	nargs += 1;
[dfb7c96]	322	if ( ! noincstd_flag ) { // do not use during build
[b740f0b]	323	args[nargs] = "-I" CFA_INCDIR "stdhdr";
[a5121bf]	324	nargs += 1;
	325	} // if
[b740f0b]	326	args[nargs] = "-I" CFA_INCDIR "concurrency";
[a5121bf]	327	nargs += 1;
[b740f0b]	328	args[nargs] = "-I" CFA_INCDIR "containers";
[a5121bf]	329	nargs += 1;
	330	} else {
	331	args[nargs] = "-I" TOP_SRCDIR "libcfa/src";
	332	nargs += 1;
[dfb7c96]	333	if ( ! noincstd_flag ) { // do not use during build
[a5121bf]	334	args[nargs] = "-I" TOP_SRCDIR "libcfa/src" "/stdhdr";
	335	nargs += 1;
	336	} // if
	337	args[nargs] = "-I" TOP_SRCDIR "libcfa/src" "/concurrency";
	338	nargs += 1;
	339	args[nargs] = "-I" TOP_SRCDIR "libcfa/src" "/containers";
	340	nargs += 1;
	341	}
[76c7f65e]	342
[a37133c]	343	// add stdbool to get defines for bool/true/false
	344	args[nargs] = "-imacros";
	345	nargs += 1;
	346	args[nargs] = "stdbool.h";
	347	nargs += 1;
	348
[a5121bf]	349	string libbase;
[37fe352]	350	if( !intree ) {
[a5121bf]	351	libbase = CFA_LIBDIR;
[37fe352]	352	} else {
[a5121bf]	353	libbase = TOP_BUILDDIR "libcfa/";
[37fe352]	354	args[nargs] = "-D__CFA_FLAG__=-t";
	355	nargs += 1;
	356	}
	357
[dfb7c96]	358	string arch = m32 ? CFA_32_CPU : (m64 ? CFA_64_CPU : CFA_DEFAULT_CPU);
[13a984c]	359	if ( ! m32 && ! m64 ) {
	360	if ( arch == "x86" ) {
	361	args[nargs] = "-m32";
	362	nargs += 1;
	363	} else if ( arch == "x64" ) {
	364	args[nargs] = "-m64";
	365	nargs += 1;
	366	} // if
[dfb7c96]	367	} // if
[a5121bf]	368	const char * config = debug ? "debug": "nodebug";
	369	string libdir = libbase + arch + "-" + config;
[dfb7c96]	370
	371	if ( ! dirExists( libdir ) ) {
[a5121bf]	372	cerr << argv[0] << " internal error, configuration " << config << " not installed." << endl;
	373	cerr << "Was looking for " << libdir << endl;
	374	libdir = libbase + arch + "-" + "nolib";
[dfb7c96]	375	} // if
[a5121bf]	376
[dfb7c96]	377	if ( ! dirExists( libdir ) ) {
[a5121bf]	378	cerr << argv[0] << " internal error, cannot find prelude directory." << endl;
	379	cerr << "Was looking for " << libdir << endl;
	380	exit( EXIT_FAILURE );
[dfb7c96]	381	} // if
[a5121bf]	382
	383	args[nargs] = ( *new string( string("-D__CFA_FLAG__=--prelude-dir=" ) + libdir + (intree ? "/prelude" : "")) ).c_str();
	384	nargs += 1;
	385
[b87a5ed]	386	if ( link ) {
[6bfe5cc]	387	args[nargs] = "-Xlinker";
	388	nargs += 1;
	389	args[nargs] = "--undefined=__cfaabi_dbg_bits_write";
	390	nargs += 1;
	391	args[nargs] = "-Xlinker";
	392	nargs += 1;
	393	args[nargs] = "--undefined=__cfaabi_interpose_startup";
	394	nargs += 1;
[c2ea058]	395	args[nargs] = "-Xlinker";
	396	nargs += 1;
	397	args[nargs] = "--undefined=__cfaabi_appready_startup";
	398	nargs += 1;
[1997b4e]	399	args[nargs] = "-Xlinker";
	400	nargs += 1;
	401	args[nargs] = "--undefined=__cfaabi_dbg_record";
	402	nargs += 1;
[6bfe5cc]	403
[b87a5ed]	404	// include the cfa library in case it's needed
[a5121bf]	405	args[nargs] = ( *new string( string("-L" ) + libdir + (intree ? "/src" : "")) ).c_str();
	406	nargs += 1;
[37fe352]	407	args[nargs] = "-lcfa";
[51b7345]	408	nargs += 1;
[63f78f0]	409	args[nargs] = "-lpthread";
	410	nargs += 1;
[9d944b2]	411	args[nargs] = "-ldl";
	412	nargs += 1;
[c5ac6d5]	413	args[nargs] = "-lrt";
	414	nargs += 1;
[51b7345]	415	} // if
	416
[e9145a3]	417	// Add exception flags (unconditionally)
	418	args[nargs] = "-fexceptions";
	419	nargs += 1;
	420
[b87a5ed]	421	// add the correct set of flags based on the type of compile this is
[8c17ab0]	422
[ec129c4]	423	args[nargs] = ( *new string( string("-D__CFA_MAJOR__=") + Major ) ).c_str();
[51b7345]	424	nargs += 1;
[b87a5ed]	425	args[nargs] = ( *new string( string("-D__CFA_MINOR__=") + Minor ) ).c_str();
[51b7345]	426	nargs += 1;
[ec129c4]	427	args[nargs] = ( *new string( string("-D__CFA_PATCH__=") + Patch ) ).c_str();
[1db21619]	428	nargs += 1;
[4c82a3c]	429	args[nargs] = "-D__CFA__";
	430	nargs += 1;
	431	args[nargs] = "-D__CFORALL__";
[02e5ab6]	432	nargs += 1;
[6acb935]	433	args[nargs] = "-D__cforall";
	434	nargs += 1;
[51b7345]	435
[b87a5ed]	436	if ( cpp_flag ) {
	437	args[nargs] = "-D__CPP__";
	438	nargs += 1;
	439	} // if
[51b7345]	440
[fa477f7]	441	shuffle( args, sargs, nargs, 1 ); // make room at front of argument list
	442	nargs += 1;
[b87a5ed]	443	if ( CFA_flag ) {
[fa477f7]	444	args[sargs] = "-D__CFA_FLAG__=-N";
[4c82a3c]	445	args[nargs] = "-D__CFA_PREPROCESS_";
[b87a5ed]	446	nargs += 1;
[fa477f7]	447	} else {
	448	args[sargs] = "-D__CFA_FLAG__=-L";
[b87a5ed]	449	} // if
[fa477f7]	450	sargs += 1;
[51b7345]	451
[b87a5ed]	452	if ( debug ) {
	453	heading += " (debug)";
	454	args[nargs] = "-D__CFA_DEBUG__";
	455	nargs += 1;
	456	} else {
	457	heading += " (no debug)";
	458	} // if
[51b7345]	459
[b87a5ed]	460	if ( Bprefix.length() == 0 ) {
[b740f0b]	461	Bprefix = ! intree ? installlibdir : srcdriverdir;
	462	if ( Bprefix[Bprefix.length() - 1] != '/' ) Bprefix += '/';
[b87a5ed]	463	args[nargs] = ( *new string( string("-D__GCC_BPREFIX__=") + Bprefix ) ).c_str();
	464	nargs += 1;
	465	} // if
[51b7345]	466
[37fe352]	467	args[nargs] = "-Xlinker"; // used by backtrace
	468	nargs += 1;
	469	args[nargs] = "-export-dynamic";
	470	nargs += 1;
[6bfe5cc]	471
[b87a5ed]	472	// execute the compilation command
[51b7345]	473
[b87a5ed]	474	args[0] = compiler_path.c_str(); // set compiler command for exec
	475	// find actual name of the compiler independent of the path to it
	476	int p = compiler_path.find_last_of( '/' ); // scan r -> l for first '/'
	477	if ( p == -1 ) {
	478	compiler_name = compiler_path;
	479	} else {
	480	compiler_name = *new string( compiler_path.substr( p + 1 ) );
	481	} // if
[51b7345]	482
[b87a5ed]	483	if ( prefix( compiler_name, "gcc" ) ) { // allow suffix on gcc name
	484	args[nargs] = "-no-integrated-cpp";
	485	nargs += 1;
[76c7f65e]	486	args[nargs] = "-Wno-deprecated";
[b87a5ed]	487	nargs += 1;
[157d094]	488	if ( ! std_flag ) { // default c11, if none specified
	489	args[nargs] = "-std=gnu11";
[de62360d]	490	nargs += 1;
	491	} // if
[76c7f65e]	492	args[nargs] = "-fgnu89-inline";
[6e991d6]	493	nargs += 1;
[201aeb9]	494	args[nargs] = "-D__int8_t_defined"; // prevent gcc type-size attributes
	495	nargs += 1;
[b740f0b]	496	args[nargs] = ( *new string( string("-B") + Bprefix ) ).c_str();
[b87a5ed]	497	nargs += 1;
[d3b7937]	498	args[nargs] = "-lm";
	499	nargs += 1;
[b87a5ed]	500	} else {
[e24f13a]	501	cerr << argv[0] << " error, compiler \"" << compiler_name << "\" unsupported." << endl;
[b87a5ed]	502	exit( EXIT_FAILURE );
	503	} // if
[51b7345]	504
[b87a5ed]	505	for ( int i = 0; i < nlibs; i += 1 ) { // copy non-user libraries after all user libraries
	506	args[nargs] = libs[i];
	507	nargs += 1;
	508	} // for
[51b7345]	509
[b87a5ed]	510	args[nargs] = NULL; // terminate with NULL
[51b7345]	511
[dffaeac]	512	#ifdef __DEBUG_H__
[b87a5ed]	513	cerr << "nargs: " << nargs << endl;
	514	cerr << "args:" << endl;
	515	for ( int i = 0; args[i] != NULL; i += 1 ) {
	516	cerr << " \"" << args[i] << "\"" << endl;
	517	} // for
[dffaeac]	518	#endif // __DEBUG_H__
[51b7345]	519
[b87a5ed]	520	if ( ! quiet ) {
	521	cerr << "CFA " << "Version " << Version << heading << endl;
	522
	523	if ( help ) {
	524	cerr <<
	525	"-debug\t\t\t: use cfa runtime with debug checking" << endl <<
	526	"-help\t\t\t: print this help message" << endl <<
	527	"-quiet\t\t\t: print no messages from the cfa command" << endl <<
	528	"-CFA\t\t\t: run the cpp preprocessor and the cfa-cpp translator" << endl <<
	529	"-XCFA -cfa-cpp-flag\t: pass next flag as-is to the cfa-cpp translator" << endl <<
	530	"...\t\t\t: any other " << compiler_name << " flags" << endl;
	531	} // if
[51b7345]	532	} // if
	533
[b87a5ed]	534	if ( verbose ) {
	535	if ( argc == 2 ) exit( EXIT_SUCCESS ); // if only the -v flag is specified, do not invoke gcc
[51b7345]	536
[b87a5ed]	537	for ( int i = 0; args[i] != NULL; i += 1 ) {
	538	cerr << args[i] << " ";
	539	} // for
	540	cerr << endl;
	541	} // if
[51b7345]	542
[b87a5ed]	543	if ( ! nonoptarg ) {
	544	cerr << argv[0] << " error, no input files" << endl;
	545	exit( EXIT_FAILURE );
	546	} // if
[51b7345]	547
[b87a5ed]	548	// execute the command and return the result
[51b7345]	549
[b87a5ed]	550	execvp( args[0], (char const )args ); // should not return
	551	perror( "CFA Translator error: cfa level, execvp" );
	552	exit( EXIT_FAILURE );
[51b7345]	553	} // main
	554
	555	// Local Variables: //
[b87a5ed]	556	// tab-width: 4 //
	557	// mode: c++ //
[51b7345]	558	// compile-command: "make install" //
	559	// End: //

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