/*
 * Important: The below generated source_foo.o and deps_foo.o variable
 * assignments are parsed not only by make, but also by the rather simple
 * parser in scripts/mod/sumversion.c.
 */
static void parse_dep_file(void *map, size_t len)
{
	char *m = map;
	char *end = m + len;
	char *p;
	char s[PATH_MAX];
	int first;

	p = strchr(m, ':');
	if (!p) {
		fprintf(stderr, "fixdep: parse error\n");
		exit(1);
	}
	memcpy(s, m, p-m); s[p-m] = 0;
	m = p+1;

	clear_config();

	first = 1;
	while (m < end) {
		while (m < end && (*m == ' ' || *m == '\\' || *m == '\n'))
			m++;
		p = m;
		while (p < end && *p != ' ') p++;
		if (p == end) {
			do p--; while (!isalnum(*p));
			p++;
		}
		memcpy(s, m, p-m); s[p-m] = 0;
		if (strrcmp(s, "include/generated/autoconf.h") &&
		    strrcmp(s, "arch/um/include/uml-config.h") &&
		    strrcmp(s, "include/linux/kconfig.h") &&
		    strrcmp(s, ".ver")) {
			/*
			 * Do not list the source file as dependency, so that
			 * kbuild is not confused if a .c file is rewritten
			 * into .S or vice versa. Storing it in source_* is
			 * needed for modpost to compute srcversions.
			 */
			if (first) {
				printf("source_%s := %s\n\n", target, s);
				printf("deps_%s := \\\n", target);
			} else
				printf("  %s \\\n", s);
			do_config_file(s);
		}
		first = 0;
		m = p + 1;
	}
	printf("\n%s: $(deps_%s)\n\n", target, target);
	printf("$(deps_%s):\n", target);
}
示例#2
0
void parse_dep_file(void *map, size_t len)
{
	char *m = map;
	char *end = m + len;
	char *p;
	char s[PATH_MAX];

	p = strchr(m, ':');
	if (!p) {
		fprintf(stderr, "fixdep: parse error\n");
		exit(1);
	}
	memcpy(s, m, p-m); s[p-m] = 0;
	printf("deps_%s := \\\n", target);
	m = p+1;

	clear_config();

	while (m < end) {
		while (m < end && (*m == ' ' || *m == '\\' || *m == '\n'))
			m++;
		p = m;
		while (p < end && *p != ' ') p++;
		if (p == end) {
			do p--; while (!isalnum(*p));
			p++;
		}
		memcpy(s, m, p-m); s[p-m] = 0;
		if (strrcmp(s, "include/linux/autoconf.h") &&
		    strrcmp(s, "arch/um/include/uml-config.h") &&
		    strrcmp(s, ".ver")) {
			printf("  %s \\\n", s);
			do_config_file(s);
		}
		m = p + 1;
	}
	printf("\n%s: $(deps_%s)\n\n", target, target);
	printf("$(deps_%s):\n", target);
}
示例#3
0
/*
 * Important: The below generated source_foo.o and deps_foo.o variable
 * assignments are parsed not only by make, but also by the rather simple
 * parser in scripts/mod/sumversion.c.
 */
static void parse_dep_file(void *map, size_t len)
{
	char *m = map;
	char *end = m + len;
	char *p;
	char s[PATH_MAX];
	int is_target;
	int saw_any_target = 0;
	int is_first_dep = 0;

	clear_config();

	while (m < end) {
		/* Skip any "white space" */
		while (m < end && (*m == ' ' || *m == '\\' || *m == '\n'))
			m++;
		/* Find next "white space" */
		p = m;
		while (p < end && *p != ' ' && *p != '\\' && *p != '\n')
			p++;
		/* Is the token we found a target name? */
		is_target = (*(p-1) == ':');
		/* Don't write any target names into the dependency file */
		if (is_target) {
			/* The /next/ file is the first dependency */
			is_first_dep = 1;
		} else {
			/* Save this token/filename */
			memcpy(s, m, p-m);
			s[p - m] = 0;

			/* Ignore certain dependencies */
			if (strrcmp(s, "include/generated/autoconf.h") &&
			    strrcmp(s, "arch/um/include/uml-config.h") &&
			    strrcmp(s, "include/linux/kconfig.h") &&
			    strrcmp(s, ".ver")) {
				/*
				 * Do not list the source file as dependency,
				 * so that kbuild is not confused if a .c file
				 * is rewritten into .S or vice versa. Storing
				 * it in source_* is needed for modpost to
				 * compute srcversions.
				 */
				if (is_first_dep) {
					/*
					 * If processing the concatenation of
					 * multiple dependency files, only
					 * process the first target name, which
					 * will be the original source name,
					 * and ignore any other target names,
					 * which will be intermediate temporary
					 * files.
					 */
					if (!saw_any_target) {
						saw_any_target = 1;
						printf("source_%s := %s\n\n",
							target, s);
						printf("deps_%s := \\\n",
							target);
					}
					is_first_dep = 0;
				} else
					printf("  %s \\\n", s);
				do_config_file(s);
			}
		}
		/*
		 * Start searching for next token immediately after the first
		 * "whitespace" character that follows this token.
		 */
		m = p + 1;
	}

	if (!saw_any_target) {
		fprintf(stderr, "fixdep: parse error; no targets found\n");
		exit(1);
	}

	printf("\n%s: $(deps_%s)\n\n", target, target);
	printf("$(deps_%s):\n", target);
}