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source: driver/cfa.cc @ 2026bb6

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

Last change on this file since 2026bb6 was 2026bb6, checked in by Thierry Delisle <tdelisle@…>, 5 years ago
More robust fix for optionally linking threads
Property mode set to `100644`
File size: 18.0 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
[1f86d5e]	12	// Last Modified On : Sun Feb 10 08:28:09 2019
	13	// Update Count : 281
[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
[c9e640e]	109	bool quiet = false; // -quiet flag
	110	bool debug = true; // -debug flag
	111	bool nolib = false; // -nolib flag
	112	bool help = false; // -help flag
[b87a5ed]	113	bool CFA_flag = false; // -CFA flag
	114	bool cpp_flag = false; // -E or -M flag, preprocessor only
[de62360d]	115	bool std_flag = false; // -std= flag
[d746bc8]	116	bool noincstd_flag = false; // -no-include-stdhdr= 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" ) {
[c9e640e]	165	debug = false; // strip the debug flag
	166	} else if ( arg == "-nolib" ) {
	167	nolib = true; // strip the nodebug flag
[b87a5ed]	168	} else if ( arg == "-quiet" ) {
	169	quiet = true; // strip the quiet flag
	170	} else if ( arg == "-noquiet" ) {
	171	quiet = false; // strip the noquiet flag
	172	} else if ( arg == "-help" ) {
	173	help = true; // strip the help flag
	174	} else if ( arg == "-nohelp" ) {
	175	help = false; // strip the nohelp flag
[d746bc8]	176	} else if ( arg == "-no-include-stdhdr" ) {
	177	noincstd_flag = true; // strip the no-include-stdhdr flag
[37fe352]	178	} else if ( arg == "-in-tree" ) {
	179	intree = true;
[b87a5ed]	180	} else if ( arg == "-compiler" ) {
	181	// use the user specified compiler
	182	i += 1;
	183	if ( i == argc ) continue; // next argument available ?
	184	compiler_path = argv[i];
[d6f4488]	185	if ( putenv( (char )( new string( string( "__CFA_COMPILER__=" ) + argv[i]) ).c_str() ) != 0 ) {
[b87a5ed]	186	cerr << argv[0] << " error, cannot set environment variable." << endl;
	187	exit( EXIT_FAILURE );
	188	} // if
	189
[de62360d]	190	// C specific arguments
[b87a5ed]	191
	192	} else if ( arg == "-v" ) {
	193	verbose = true; // verbosity required
	194	args[nargs] = argv[i]; // pass the argument along
	195	nargs += 1;
	196	} else if ( arg == "-g" ) {
	197	debugging = true; // symbolic debugging required
	198	args[nargs] = argv[i]; // pass the argument along
	199	nargs += 1;
[e3215c5]	200	} else if ( prefix( arg, "-std=" ) \|\| prefix( arg, "--std=" ) ) {
[53ba273]	201	std_flag = true; // -std=XX provided
[de62360d]	202	args[nargs] = argv[i]; // pass the argument along
	203	nargs += 1;
[44bca7f]	204	} else if ( arg == "-w" ) {
	205	args[nargs] = argv[i]; // pass the argument along
	206	nargs += 1;
	207	args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + arg ) ).c_str(); // add the argument for cfa-cpp
	208	nargs += 1;
	209	} else if ( prefix( arg, "-W" ) ) { // check before next tests
	210	if ( arg == "-Werror" \|\| arg == "-Wall" ) {
	211	args[nargs] = argv[i]; // pass the argument along
	212	nargs += 1;
	213	args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + arg ) ).c_str(); // add the argument for cfa-cpp
	214	nargs += 1;
	215	} else {
	216	unsigned int adv = prefix( arg, "-Wno-" ) ? 5 : 2;
	217	args[nargs] = argv[i]; // conditionally pass the argument along
[af39199d]	218	const char * warning = argv[i] + adv; // extract warning
	219	if ( SemanticWarning_Exist( warning ) ) { // replace the argument for cfa-cpp
	220	args[nargs] = ( *new string( string("-D__CFA_FLAG__=") + arg ) ).c_str();
	221	} // if
[44bca7f]	222	nargs += 1;
	223	} // if
[b87a5ed]	224	} else if ( prefix( arg, "-B" ) ) {
	225	Bprefix = arg.substr(2); // strip the -B flag
	226	args[nargs] = ( *new string( string("-D__GCC_BPREFIX__=") + Bprefix ) ).c_str();
	227	nargs += 1;
	228	} else if ( prefix( arg, "-b" ) ) {
	229	if ( arg.length() == 2 ) { // separate argument ?
	230	i += 1;
	231	if ( i == argc ) continue; // next argument available ?
	232	arg += argv[i]; // concatenate argument
	233	} // if
	234	// later versions of gcc require the -b option to appear at the start of the command line
	235	shuffle( args, sargs, nargs, 1 ); // make room at front of argument list
	236	args[sargs] = ( *new string( arg ) ).c_str(); // pass the argument along
	237	if ( putenv( (char )( new string( string( "__GCC_MACHINE__=" ) + arg ) ).c_str() ) != 0 ) {
	238	cerr << argv[0] << " error, cannot set environment variable." << endl;
	239	exit( EXIT_FAILURE );
	240	} // if
	241	sargs += 1;
	242	nargs += 1;
	243	} else if ( prefix( arg, "-V" ) ) {
	244	if ( arg.length() == 2 ) { // separate argument ?
	245	i += 1;
	246	if ( i == argc ) continue; // next argument available ?
	247	arg += argv[i]; // concatenate argument
	248	} // if
	249	// later versions of gcc require the -V option to appear at the start of the command line
	250	shuffle( args, sargs, nargs, 1 ); // make room at front of argument list
	251	args[sargs] = ( *new string( arg ) ).c_str(); // pass the argument along
	252	if ( putenv( (char )( new string( string( "__GCC_VERSION__=" ) + arg ) ).c_str() ) != 0 ) {
	253	cerr << argv[0] << " error, cannot set environment variable." << endl;
	254	exit( EXIT_FAILURE );
	255	} // if
	256	sargs += 1;
	257	nargs += 1;
	258	} else if ( arg == "-c" \|\| arg == "-S" \|\| arg == "-E" \|\| arg == "-M" \|\| arg == "-MM" ) {
	259	args[nargs] = argv[i]; // pass the argument along
	260	nargs += 1;
	261	if ( arg == "-E" \|\| arg == "-M" \|\| arg == "-MM" ) {
	262	cpp_flag = true; // cpp only
	263	} // if
	264	link = false; // no linkage required
	265	} else if ( arg[1] == 'l' ) {
	266	// if the user specifies a library, load it after user code
	267	libs[nlibs] = argv[i];
	268	nlibs += 1;
[37fe352]	269	} else if ( arg == "-m32" ) {
	270	m32 = true;
	271	m64 = false;
	272	args[nargs] = argv[i];
	273	nargs += 1;
	274	} else if ( arg == "-m64" ) {
	275	m64 = true;
	276	m32 = false;
	277	args[nargs] = argv[i];
	278	nargs += 1;
[b87a5ed]	279	} else {
	280	// concatenate any other arguments
	281	args[nargs] = argv[i];
	282	nargs += 1;
	283	} // if
	284	} else {
[bec4d24]	285	bool cfa = suffix( arg, args, nargs ); // check suffix
	286	args[nargs] = argv[i]; // concatenate file
[b87a5ed]	287	nargs += 1;
[bec4d24]	288	if ( cfa ) {
[dffaeac]	289	args[nargs] = "-x";
	290	nargs += 1;
	291	args[nargs] = "none";
	292	nargs += 1;
	293	} // if
[b87a5ed]	294	nonoptarg = true;
	295	} // if
	296	} // for
[51b7345]	297
[b32ad080]	298	args[nargs] = "-x"; // turn off language
[bec4d24]	299	nargs += 1;
	300	args[nargs] = "none";
	301	nargs += 1;
	302
[dffaeac]	303	#ifdef __x86_64__
[a83d08b]	304	args[nargs] = "-mcx16"; // allow double-wide CAA
	305	nargs += 1;
[dffaeac]	306	#endif // __x86_64__
[e3215c5]	307
[dffaeac]	308	#ifdef __DEBUG_H__
[b87a5ed]	309	cerr << "args:";
	310	for ( int i = 1; i < nargs; i += 1 ) {
	311	cerr << " " << args[i];
	312	} // for
	313	cerr << endl;
[dffaeac]	314	#endif // __DEBUG_H__
[51b7345]	315
[b87a5ed]	316	if ( cpp_flag && CFA_flag ) {
	317	cerr << argv[0] << " error, cannot use -E and -CFA flags together." << endl;
	318	exit( EXIT_FAILURE );
	319	} // if
[51b7345]	320
[6e4b913]	321	// add the CFA include-library paths, which allow direct access to header files without directory qualification
[a5121bf]	322	if( !intree ) {
	323	args[nargs] = "-I" CFA_INCDIR;
[d746bc8]	324	nargs += 1;
[dfb7c96]	325	if ( ! noincstd_flag ) { // do not use during build
[b740f0b]	326	args[nargs] = "-I" CFA_INCDIR "stdhdr";
[a5121bf]	327	nargs += 1;
	328	} // if
[b740f0b]	329	args[nargs] = "-I" CFA_INCDIR "concurrency";
[a5121bf]	330	nargs += 1;
[b740f0b]	331	args[nargs] = "-I" CFA_INCDIR "containers";
[a5121bf]	332	nargs += 1;
	333	} else {
	334	args[nargs] = "-I" TOP_SRCDIR "libcfa/src";
	335	nargs += 1;
[dfb7c96]	336	if ( ! noincstd_flag ) { // do not use during build
[a5121bf]	337	args[nargs] = "-I" TOP_SRCDIR "libcfa/src" "/stdhdr";
	338	nargs += 1;
	339	} // if
	340	args[nargs] = "-I" TOP_SRCDIR "libcfa/src" "/concurrency";
	341	nargs += 1;
	342	args[nargs] = "-I" TOP_SRCDIR "libcfa/src" "/containers";
	343	nargs += 1;
	344	}
[76c7f65e]	345
[a37133c]	346	// add stdbool to get defines for bool/true/false
	347	args[nargs] = "-imacros";
	348	nargs += 1;
	349	args[nargs] = "stdbool.h";
	350	nargs += 1;
	351
[a5121bf]	352	string libbase;
[37fe352]	353	if( !intree ) {
[a5121bf]	354	libbase = CFA_LIBDIR;
[37fe352]	355	} else {
[a5121bf]	356	libbase = TOP_BUILDDIR "libcfa/";
[37fe352]	357	args[nargs] = "-D__CFA_FLAG__=-t";
	358	nargs += 1;
	359	}
	360
[dfb7c96]	361	string arch = m32 ? CFA_32_CPU : (m64 ? CFA_64_CPU : CFA_DEFAULT_CPU);
[13a984c]	362	if ( ! m32 && ! m64 ) {
	363	if ( arch == "x86" ) {
	364	args[nargs] = "-m32";
	365	nargs += 1;
	366	} else if ( arch == "x64" ) {
	367	args[nargs] = "-m64";
	368	nargs += 1;
	369	} // if
[dfb7c96]	370	} // if
[c9e640e]	371	const char * config = nolib ? "nolib" : (debug ? "debug": "nodebug");
[a5121bf]	372	string libdir = libbase + arch + "-" + config;
[dfb7c96]	373
[c9e640e]	374	if ( ! nolib && ! dirExists( libdir ) ) {
[a5121bf]	375	cerr << argv[0] << " internal error, configuration " << config << " not installed." << endl;
	376	cerr << "Was looking for " << libdir << endl;
	377	libdir = libbase + arch + "-" + "nolib";
[dfb7c96]	378	} // if
[a5121bf]	379
[dfb7c96]	380	if ( ! dirExists( libdir ) ) {
[a5121bf]	381	cerr << argv[0] << " internal error, cannot find prelude directory." << endl;
	382	cerr << "Was looking for " << libdir << endl;
	383	exit( EXIT_FAILURE );
[dfb7c96]	384	} // if
[a5121bf]	385
	386	args[nargs] = ( *new string( string("-D__CFA_FLAG__=--prelude-dir=" ) + libdir + (intree ? "/prelude" : "")) ).c_str();
	387	nargs += 1;
	388
[def9d4e]	389	for ( int i = 0; i < nlibs; i += 1 ) { // copy non-user libraries after all user libraries
	390	args[nargs] = libs[i];
	391	nargs += 1;
	392	} // for
	393
[b87a5ed]	394	if ( link ) {
[6bfe5cc]	395	args[nargs] = "-Xlinker";
	396	nargs += 1;
	397	args[nargs] = "--undefined=__cfaabi_dbg_bits_write";
	398	nargs += 1;
	399	args[nargs] = "-Xlinker";
	400	nargs += 1;
	401	args[nargs] = "--undefined=__cfaabi_interpose_startup";
	402	nargs += 1;
[c2ea058]	403	args[nargs] = "-Xlinker";
	404	nargs += 1;
	405	args[nargs] = "--undefined=__cfaabi_appready_startup";
	406	nargs += 1;
[6bfe5cc]	407
[b87a5ed]	408	// include the cfa library in case it's needed
[eed6f5b]	409	args[nargs] = ( *new string( string("-L" ) + libdir + (intree ? "/src/.libs" : "")) ).c_str();
[a5121bf]	410	nargs += 1;
[8bdc1c36]	411	args[nargs] = ( *new string( string("-Wl,-rpath," ) + libdir + (intree ? "/src/.libs" : "")) ).c_str();
	412	nargs += 1;
[2026bb6]	413	args[nargs] = "-Wl,--push-state,--as-needed";
	414	nargs += 1;
	415	args[nargs] = "-lcfathread";
	416	nargs += 1;
	417	args[nargs] = "-Wl,--pop-state";
	418	nargs += 1;
[37fe352]	419	args[nargs] = "-lcfa";
[51b7345]	420	nargs += 1;
[63f78f0]	421	args[nargs] = "-lpthread";
	422	nargs += 1;
[9d944b2]	423	args[nargs] = "-ldl";
	424	nargs += 1;
[c5ac6d5]	425	args[nargs] = "-lrt";
	426	nargs += 1;
[def9d4e]	427	args[nargs] = "-lm";
	428	nargs += 1;
[51b7345]	429	} // if
	430
[e9145a3]	431	// Add exception flags (unconditionally)
	432	args[nargs] = "-fexceptions";
	433	nargs += 1;
	434
[b87a5ed]	435	// add the correct set of flags based on the type of compile this is
[8c17ab0]	436
[ec129c4]	437	args[nargs] = ( *new string( string("-D__CFA_MAJOR__=") + Major ) ).c_str();
[51b7345]	438	nargs += 1;
[b87a5ed]	439	args[nargs] = ( *new string( string("-D__CFA_MINOR__=") + Minor ) ).c_str();
[51b7345]	440	nargs += 1;
[ec129c4]	441	args[nargs] = ( *new string( string("-D__CFA_PATCH__=") + Patch ) ).c_str();
[1db21619]	442	nargs += 1;
[4c82a3c]	443	args[nargs] = "-D__CFA__";
	444	nargs += 1;
	445	args[nargs] = "-D__CFORALL__";
[02e5ab6]	446	nargs += 1;
[6acb935]	447	args[nargs] = "-D__cforall";
	448	nargs += 1;
[51b7345]	449
[b87a5ed]	450	if ( cpp_flag ) {
	451	args[nargs] = "-D__CPP__";
	452	nargs += 1;
	453	} // if
[51b7345]	454
[fa477f7]	455	shuffle( args, sargs, nargs, 1 ); // make room at front of argument list
	456	nargs += 1;
[b87a5ed]	457	if ( CFA_flag ) {
[fa477f7]	458	args[sargs] = "-D__CFA_FLAG__=-N";
[4c82a3c]	459	args[nargs] = "-D__CFA_PREPROCESS_";
[b87a5ed]	460	nargs += 1;
[fa477f7]	461	} else {
	462	args[sargs] = "-D__CFA_FLAG__=-L";
[b87a5ed]	463	} // if
[fa477f7]	464	sargs += 1;
[51b7345]	465
[b87a5ed]	466	if ( debug ) {
	467	heading += " (debug)";
	468	args[nargs] = "-D__CFA_DEBUG__";
	469	nargs += 1;
	470	} else {
	471	heading += " (no debug)";
	472	} // if
[51b7345]	473
[b87a5ed]	474	if ( Bprefix.length() == 0 ) {
[b740f0b]	475	Bprefix = ! intree ? installlibdir : srcdriverdir;
	476	if ( Bprefix[Bprefix.length() - 1] != '/' ) Bprefix += '/';
[b87a5ed]	477	args[nargs] = ( *new string( string("-D__GCC_BPREFIX__=") + Bprefix ) ).c_str();
	478	nargs += 1;
	479	} // if
[51b7345]	480
[37fe352]	481	args[nargs] = "-Xlinker"; // used by backtrace
	482	nargs += 1;
	483	args[nargs] = "-export-dynamic";
	484	nargs += 1;
[6bfe5cc]	485
[b87a5ed]	486	// execute the compilation command
[51b7345]	487
[b87a5ed]	488	args[0] = compiler_path.c_str(); // set compiler command for exec
	489	// find actual name of the compiler independent of the path to it
	490	int p = compiler_path.find_last_of( '/' ); // scan r -> l for first '/'
	491	if ( p == -1 ) {
	492	compiler_name = compiler_path;
	493	} else {
	494	compiler_name = *new string( compiler_path.substr( p + 1 ) );
	495	} // if
[51b7345]	496
[b87a5ed]	497	if ( prefix( compiler_name, "gcc" ) ) { // allow suffix on gcc name
	498	args[nargs] = "-no-integrated-cpp";
	499	nargs += 1;
[76c7f65e]	500	args[nargs] = "-Wno-deprecated";
[b87a5ed]	501	nargs += 1;
[1f86d5e]	502	#ifdef HAVE_CAST_FUNCTION_TYPE
	503	args[nargs] = "-Wno-cast-function-type";
	504	nargs += 1;
	505	#endif // HAVE_CAST_FUNCTION_TYPE
[157d094]	506	if ( ! std_flag ) { // default c11, if none specified
	507	args[nargs] = "-std=gnu11";
[de62360d]	508	nargs += 1;
	509	} // if
[76c7f65e]	510	args[nargs] = "-fgnu89-inline";
[6e991d6]	511	nargs += 1;
[201aeb9]	512	args[nargs] = "-D__int8_t_defined"; // prevent gcc type-size attributes
	513	nargs += 1;
[b740f0b]	514	args[nargs] = ( *new string( string("-B") + Bprefix ) ).c_str();
[b87a5ed]	515	nargs += 1;
	516	} else {
[e24f13a]	517	cerr << argv[0] << " error, compiler \"" << compiler_name << "\" unsupported." << endl;
[b87a5ed]	518	exit( EXIT_FAILURE );
	519	} // if
[51b7345]	520
[b87a5ed]	521	args[nargs] = NULL; // terminate with NULL
[51b7345]	522
[dffaeac]	523	#ifdef __DEBUG_H__
[b87a5ed]	524	cerr << "nargs: " << nargs << endl;
	525	cerr << "args:" << endl;
	526	for ( int i = 0; args[i] != NULL; i += 1 ) {
	527	cerr << " \"" << args[i] << "\"" << endl;
	528	} // for
[dffaeac]	529	#endif // __DEBUG_H__
[51b7345]	530
[b87a5ed]	531	if ( ! quiet ) {
	532	cerr << "CFA " << "Version " << Version << heading << endl;
	533
	534	if ( help ) {
	535	cerr <<
	536	"-debug\t\t\t: use cfa runtime with debug checking" << endl <<
	537	"-help\t\t\t: print this help message" << endl <<
	538	"-quiet\t\t\t: print no messages from the cfa command" << endl <<
	539	"-CFA\t\t\t: run the cpp preprocessor and the cfa-cpp translator" << endl <<
	540	"-XCFA -cfa-cpp-flag\t: pass next flag as-is to the cfa-cpp translator" << endl <<
	541	"...\t\t\t: any other " << compiler_name << " flags" << endl;
	542	} // if
[51b7345]	543	} // if
	544
[b87a5ed]	545	if ( verbose ) {
	546	if ( argc == 2 ) exit( EXIT_SUCCESS ); // if only the -v flag is specified, do not invoke gcc
[51b7345]	547
[b87a5ed]	548	for ( int i = 0; args[i] != NULL; i += 1 ) {
	549	cerr << args[i] << " ";
	550	} // for
	551	cerr << endl;
	552	} // if
[51b7345]	553
[b87a5ed]	554	if ( ! nonoptarg ) {
	555	cerr << argv[0] << " error, no input files" << endl;
	556	exit( EXIT_FAILURE );
	557	} // if
[51b7345]	558
[b87a5ed]	559	// execute the command and return the result
[51b7345]	560
[b87a5ed]	561	execvp( args[0], (char const )args ); // should not return
	562	perror( "CFA Translator error: cfa level, execvp" );
	563	exit( EXIT_FAILURE );
[51b7345]	564	} // main
	565
	566	// Local Variables: //
[b87a5ed]	567	// tab-width: 4 //
	568	// mode: c++ //
[51b7345]	569	// compile-command: "make install" //
	570	// End: //

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