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https://github.com/torvalds/linux
synced 2024-09-06 09:51:23 +00:00
fixdep: accept extra dependencies on stdin
... and merge them in the list of parsed dependencies. Signed-off-by: Nicolas Pitre <nico@linaro.org>
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f235541699
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@ -120,13 +120,15 @@
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#define INT_NFIG ntohl(0x4e464947)
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#define INT_FIG_ ntohl(0x4649475f)
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int insert_extra_deps;
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char *target;
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char *depfile;
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char *cmdline;
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static void usage(void)
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{
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fprintf(stderr, "Usage: fixdep <depfile> <target> <cmdline>\n");
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fprintf(stderr, "Usage: fixdep [-e] <depfile> <target> <cmdline>\n");
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fprintf(stderr, " -e insert extra dependencies given on stdin\n");
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exit(1);
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}
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@ -138,6 +140,40 @@ static void print_cmdline(void)
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printf("cmd_%s := %s\n\n", target, cmdline);
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}
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/*
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* Print out a dependency path from a symbol name
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*/
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static void print_config(const char *m, int slen)
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{
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int c, i;
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printf(" $(wildcard include/config/");
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for (i = 0; i < slen; i++) {
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c = m[i];
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if (c == '_')
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c = '/';
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else
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c = tolower(c);
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putchar(c);
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}
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printf(".h) \\\n");
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}
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static void do_extra_deps(void)
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{
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if (insert_extra_deps) {
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char buf[80];
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while(fgets(buf, sizeof(buf), stdin)) {
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int len = strlen(buf);
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if (len < 2 || buf[len-1] != '\n') {
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fprintf(stderr, "fixdep: bad data on stdin\n");
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exit(1);
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}
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print_config(buf, len-1);
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}
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}
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}
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struct item {
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struct item *next;
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unsigned int len;
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@ -197,23 +233,12 @@ static void define_config(const char *name, int len, unsigned int hash)
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static void use_config(const char *m, int slen)
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{
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unsigned int hash = strhash(m, slen);
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int c, i;
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if (is_defined_config(m, slen, hash))
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return;
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define_config(m, slen, hash);
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printf(" $(wildcard include/config/");
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for (i = 0; i < slen; i++) {
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c = m[i];
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if (c == '_')
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c = '/';
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else
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c = tolower(c);
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putchar(c);
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}
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printf(".h) \\\n");
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print_config(m, slen);
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}
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static void parse_config_file(const char *map, size_t len)
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@ -250,7 +275,7 @@ static void parse_config_file(const char *map, size_t len)
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}
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}
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/* test is s ends in sub */
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/* test if s ends in sub */
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static int strrcmp(const char *s, const char *sub)
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{
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int slen = strlen(s);
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@ -378,6 +403,8 @@ static void parse_dep_file(void *map, size_t len)
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exit(1);
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}
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do_extra_deps();
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printf("\n%s: $(deps_%s)\n\n", target, target);
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printf("$(deps_%s):\n", target);
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}
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@ -434,7 +461,10 @@ int main(int argc, char *argv[])
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{
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traps();
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if (argc != 4)
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if (argc == 5 && !strcmp(argv[1], "-e")) {
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insert_extra_deps = 1;
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argv++;
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} else if (argc != 4)
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usage();
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depfile = argv[1];
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