134 lines
3.3 KiB
C
134 lines
3.3 KiB
C
/*-
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* Copyright (c) 2002 Tim J. Robbins.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* c99 -- compile standard C programs
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*
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* This is essentially a wrapper around the system C compiler that forces
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* the compiler into C99 mode and handles some of the standard libraries
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* specially.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/types.h>
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#include <err.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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char **args;
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u_int cargs, nargs;
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void addarg(const char *);
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void addlib(const char *);
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void usage(void);
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int
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main(int argc, char *argv[])
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{
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int ch, i;
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args = NULL;
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cargs = nargs = 0;
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while ((ch = getopt(argc, argv, "cD:EgI:L:o:O:sU:l:")) != -1) {
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if (ch == 'l') {
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/* Gone too far. Back up and get out. */
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if (argv[optind - 1][0] == '-')
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optind -= 1;
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else
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optind -= 2;
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break;
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} else if (ch == '?')
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usage();
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}
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addarg("cc");
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addarg("-std=iso9899:1999");
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addarg("-pedantic");
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for (i = 1; i < optind; i++)
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addarg(argv[i]);
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while (i < argc) {
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if (strncmp(argv[i], "-l", 2) == 0) {
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if (argv[i][2] != '\0')
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addlib(argv[i++] + 2);
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else {
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if (argv[++i] == NULL)
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usage();
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addlib(argv[i++]);
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}
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} else
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addarg(argv[i++]);
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}
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execv("/usr/bin/cc", args);
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err(1, "/usr/bin/cc");
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}
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void
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addarg(const char *item)
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{
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if (nargs + 1 >= cargs) {
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cargs += 16;
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if ((args = realloc(args, sizeof(*args) * cargs)) == NULL)
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err(1, "malloc");
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}
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if ((args[nargs++] = strdup(item)) == NULL)
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err(1, "strdup");
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args[nargs] = NULL;
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}
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void
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addlib(const char *lib)
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{
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if (strcmp(lib, "pthread") == 0)
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/* FreeBSD's gcc uses -pthread instead of -lpthread. */
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addarg("-pthread");
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else if (strcmp(lib, "rt") == 0)
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/* librt functionality is in libc or unimplemented. */
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;
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else if (strcmp(lib, "xnet") == 0)
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/* xnet functionality is in libc. */
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;
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else {
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addarg("-l");
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addarg(lib);
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}
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}
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void
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usage(void)
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{
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(void)fprintf(stderr, "%s\n%s\n",
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"usage: c99 [-cEgs] [-D name[=value]] ... [-I directory] ... [-L directory] ...",
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" [-o outfile] [-O optlevel] [-U name] ... operand ...");
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exit(1);
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}
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