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fixdep: accept extra dependencies on stdin

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... and merge them in the list of parsed dependencies.

Signed-off-by: Nicolas Pitre <nico@linaro.org>
This commit is contained in:
Nicolas Pitre 2016-02-12 15:00:50 -05:00
parent f235541699
commit d8329e35cc
1 changed files with 45 additions and 15 deletions
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60
scripts/basic/fixdep.c
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@ -120,13 +120,15 @@
#define INT_NFIG ntohl(0x4e464947)
#define INT_FIG_ ntohl(0x4649475f)
int insert_extra_deps;
char *target;
char *depfile;
char *cmdline;
static void usage(void)
{
fprintf(stderr, "Usage: fixdep <depfile> <target> <cmdline>\n");
fprintf(stderr, "Usage: fixdep [-e] <depfile> <target> <cmdline>\n");
fprintf(stderr, " -e insert extra dependencies given on stdin\n");
exit(1);
}
@ -138,6 +140,40 @@ static void print_cmdline(void)
printf("cmd_%s := %s\n\n", target, cmdline);
}
/*
* Print out a dependency path from a symbol name
*/
static void print_config(const char *m, int slen)
{
int c, i;
printf(" $(wildcard include/config/");
for (i = 0; i < slen; i++) {
c = m[i];
if (c == '_')
c = '/';
else
c = tolower(c);
putchar(c);
}
printf(".h) \\\n");
}
static void do_extra_deps(void)
{
if (insert_extra_deps) {
char buf[80];
while(fgets(buf, sizeof(buf), stdin)) {
int len = strlen(buf);
if (len < 2 || buf[len-1] != '\n') {
fprintf(stderr, "fixdep: bad data on stdin\n");
exit(1);
}
print_config(buf, len-1);
}
}
}
struct item {
struct item *next;
unsigned int len;
@ -197,23 +233,12 @@ static void define_config(const char *name, int len, unsigned int hash)
static void use_config(const char *m, int slen)
{
unsigned int hash = strhash(m, slen);
int c, i;
if (is_defined_config(m, slen, hash))
return;
define_config(m, slen, hash);
printf(" $(wildcard include/config/");
for (i = 0; i < slen; i++) {
c = m[i];
if (c == '_')
c = '/';
else
c = tolower(c);
putchar(c);
}
printf(".h) \\\n");
print_config(m, slen);
}
static void parse_config_file(const char *map, size_t len)
@ -250,7 +275,7 @@ static void parse_config_file(const char *map, size_t len)
}
}
/* test is s ends in sub */
/* test if s ends in sub */
static int strrcmp(const char *s, const char *sub)
{
int slen = strlen(s);
@ -378,6 +403,8 @@ static void parse_dep_file(void *map, size_t len)
exit(1);
}
do_extra_deps();
printf("\n%s: $(deps_%s)\n\n", target, target);
printf("$(deps_%s):\n", target);
}
@ -434,7 +461,10 @@ int main(int argc, char *argv[])
{
traps();
if (argc != 4)
if (argc == 5 && !strcmp(argv[1], "-e")) {
insert_extra_deps = 1;
argv++;
} else if (argc != 4)
usage();
depfile = argv[1];