[PATCH 1/2] udpate fixdep.c to linux kernel v2.6.36-rc1-168-ge36c886
Jean-Christophe PLAGNIOL-VILLARD
plagnioj at jcrosoft.com
Fri Aug 27 01:49:16 EDT 2010
as autoconf.h is store in include/generated and not include/linux anymore
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
---
scripts/basic/fixdep.c | 55 ++++++++++++++++++++++++++---------------------
1 files changed, 30 insertions(+), 25 deletions(-)
diff --git a/scripts/basic/fixdep.c b/scripts/basic/fixdep.c
index 668a11a..ea26b23 100644
--- a/scripts/basic/fixdep.c
+++ b/scripts/basic/fixdep.c
@@ -16,21 +16,22 @@
* tells make when to remake a file.
*
* To use this list as-is however has the drawback that virtually
- * every file in the kernel includes <linux/config.h> which then again
- * includes <linux/autoconf.h>
+ * every file in the kernel includes autoconf.h.
*
- * If the user re-runs make *config, linux/autoconf.h will be
+ * If the user re-runs make *config, autoconf.h will be
* regenerated. make notices that and will rebuild every file which
* includes autoconf.h, i.e. basically all files. This is extremely
* annoying if the user just changed CONFIG_HIS_DRIVER from n to m.
*
* So we play the same trick that "mkdep" played before. We replace
- * the dependency on linux/autoconf.h by a dependency on every config
+ * the dependency on autoconf.h by a dependency on every config
* option which is mentioned in any of the listed prequisites.
*
- * To be exact, split-include populates a tree in include/config/,
- * e.g. include/config/his/driver.h, which contains the #define/#undef
- * for the CONFIG_HIS_DRIVER option.
+ * kconfig populates a tree in include/config/ with an empty file
+ * for each config symbol and when the configuration is updated
+ * the files representing changed config options are touched
+ * which then let make pick up the changes and the files that use
+ * the config symbols are rebuilt.
*
* So if the user changes his CONFIG_HIS_DRIVER option, only the objects
* which depend on "include/linux/config/his/driver.h" will be rebuilt,
@@ -72,7 +73,7 @@
* cmd_<target> = <cmdline>
*
* and then basically copies the .<target>.d file to stdout, in the
- * process filtering out the dependency on linux/autoconf.h and adding
+ * process filtering out the dependency on autoconf.h and adding
* dependencies on include/config/my/option.h for every
* CONFIG_MY_OPTION encountered in any of the prequisites.
*
@@ -123,8 +124,7 @@ char *target;
char *depfile;
char *cmdline;
-void usage(void)
-
+static void usage(void)
{
fprintf(stderr, "Usage: fixdep <depfile> <target> <cmdline>\n");
exit(1);
@@ -133,7 +133,7 @@ void usage(void)
/*
* Print out the commandline prefixed with cmd_<target filename> :=
*/
-void print_cmdline(void)
+static void print_cmdline(void)
{
printf("cmd_%s := %s\n\n", target, cmdline);
}
@@ -146,7 +146,7 @@ int len_config = 0;
* Grow the configuration string to a desired length.
* Usually the first growth is plenty.
*/
-void grow_config(int len)
+static void grow_config(int len)
{
while (len_config + len > size_config) {
if (size_config == 0)
@@ -162,7 +162,7 @@ void grow_config(int len)
/*
* Lookup a value in the configuration string.
*/
-int is_defined_config(const char * name, int len)
+static int is_defined_config(const char * name, int len)
{
const char * pconfig;
const char * plast = str_config + len_config - len;
@@ -178,7 +178,7 @@ int is_defined_config(const char * name, int len)
/*
* Add a new value to the configuration string.
*/
-void define_config(const char * name, int len)
+static void define_config(const char * name, int len)
{
grow_config(len + 1);
@@ -190,7 +190,7 @@ void define_config(const char * name, int len)
/*
* Clear the set of configuration strings.
*/
-void clear_config(void)
+static void clear_config(void)
{
len_config = 0;
define_config("", 0);
@@ -199,7 +199,7 @@ void clear_config(void)
/*
* Record the use of a CONFIG_* word.
*/
-void use_config(char *m, int slen)
+static void use_config(char *m, int slen)
{
char s[PATH_MAX];
char *p;
@@ -220,7 +220,7 @@ void use_config(char *m, int slen)
printf(" $(wildcard include/config/%s.h) \\\n", s);
}
-void parse_config_file(char *map, size_t len)
+static void parse_config_file(char *map, size_t len)
{
int *end = (int *) (map + len);
/* start at +1, so that p can never be < map */
@@ -245,12 +245,16 @@ void parse_config_file(char *map, size_t len)
continue;
found:
+ if (!memcmp(q - 7, "_MODULE", 7))
+ q -= 7;
+ if( (q-p-7) < 0 )
+ continue;
use_config(p+7, q-p-7);
}
}
/* test is s ends in sub */
-int strrcmp(char *s, char *sub)
+static int strrcmp(char *s, char *sub)
{
int slen = strlen(s);
int sublen = strlen(sub);
@@ -261,7 +265,7 @@ int strrcmp(char *s, char *sub)
return memcmp(s + slen - sublen, sub, sublen);
}
-void do_config_file(char *filename)
+static void do_config_file(char *filename)
{
struct stat st;
int fd;
@@ -292,7 +296,7 @@ void do_config_file(char *filename)
close(fd);
}
-void parse_dep_file(void *map, size_t len)
+static void parse_dep_file(void *map, size_t len)
{
char *m = map;
char *end = m + len;
@@ -320,7 +324,7 @@ void parse_dep_file(void *map, size_t len)
p++;
}
memcpy(s, m, p-m); s[p-m] = 0;
- if (strrcmp(s, "include/linux/autoconf.h") &&
+ if (strrcmp(s, "include/generated/autoconf.h") &&
strrcmp(s, "arch/um/include/uml-config.h") &&
strrcmp(s, ".ver")) {
printf(" %s \\\n", s);
@@ -332,7 +336,7 @@ void parse_dep_file(void *map, size_t len)
printf("$(deps_%s):\n", target);
}
-void print_deps(void)
+static void print_deps(void)
{
struct stat st;
int fd;
@@ -364,13 +368,14 @@ void print_deps(void)
close(fd);
}
-void traps(void)
+static void traps(void)
{
static char test[] __attribute__((aligned(sizeof(int)))) = "CONF";
+ int *p = (int *)test;
- if (*(int *)test != INT_CONF) {
+ if (*p != INT_CONF) {
fprintf(stderr, "fixdep: sizeof(int) != 4 or wrong endianess? %#x\n",
- *(int *)test);
+ *p);
exit(2);
}
}
--
1.7.1
More information about the barebox
mailing list