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kbuild: Fix computing srcversion for modules

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Recent change to fixdep:

    commit b7bd182176
    Author: Michal Marek <mmarek@suse.cz>
    Date:   Thu Feb 17 15:13:54 2011 +0100

    fixdep: Do not record dependency on the source file itself

changed the format of the *.cmd files without realizing that it is also
used by modpost. Put the path to the source file to the file back, in a
special variable, so that modpost sees all source files when calculating
srcversion for modules.

Reported-and-tested-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Michal Marek <mmarek@suse.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Michal Marek
2011-03-11 22:34:47 +01:00
committed by Linus Torvalds
parent e8444a3e3b
commit 7840fea200
2 changed files with 30 additions and 8 deletions
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19
scripts/mod/sumversion.c
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@ -300,8 +300,8 @@ static int is_static_library(const char *objfile)
return 0;
}
/* We have dir/file.o. Open dir/.file.o.cmd, look for deps_ line to
* figure out source file. */
/* We have dir/file.o. Open dir/.file.o.cmd, look for source_ and deps_ line
* to figure out source files. */
static int parse_source_files(const char *objfile, struct md4_ctx *md)
{
char *cmd, *file, *line, *dir;
@ -340,6 +340,21 @@ static int parse_source_files(const char *objfile, struct md4_ctx *md)
*/
while ((line = get_next_line(&pos, file, flen)) != NULL) {
char* p = line;
if (strncmp(line, "source_", sizeof("source_")-1) == 0) {
p = strrchr(line, ' ');
if (!p) {
warn("malformed line: %s\n", line);
goto out_file;
}
p++;
if (!parse_file(p, md)) {
warn("could not open %s: %s\n",
p, strerror(errno));
goto out_file;
}
continue;
}
if (strncmp(line, "deps_", sizeof("deps_")-1) == 0) {
check_files = 1;
continue;