3 files changed, 39 insertions, 7 deletions

diff --git a/scripts/basic/fixdep.c b/scripts/basic/fixdep.c
index c9a16abacab4..291228e25984 100644
--- a/scripts/basic/fixdep.c
+++ b/scripts/basic/fixdep.c
@@ -309,12 +309,18 @@ static void do_config_file(const char *filename)
         close(fd);
 }
 
+/*
+ * 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) {
@@ -322,11 +328,11 @@ static void parse_dep_file(void *map, size_t len)
                 exit(1);
         }
         memcpy(s, m, p-m); s[p-m] = 0;
-        printf("deps_%s := \\\n", target);
         m = p+1;
 
         clear_config();
 
+        first = 1;
         while (m < end) {
                 while (m < end && (*m == ' ' || *m == '\\' || *m == '\n'))
                         m++;
@@ -340,9 +346,20 @@ static void parse_dep_file(void *map, size_t len)
                 if (strrcmp(s, "include/generated/autoconf.h") &&
                     strrcmp(s, "arch/um/include/uml-config.h") &&
                     strrcmp(s, ".ver")) {
-                        printf("  %s \\\n", s);
+                        /*
+                         * 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);
diff --git a/scripts/mod/sumversion.c b/scripts/mod/sumversion.c
index ecf9c7dc1825..9dfcd6d988da 100644
--- a/scripts/mod/sumversion.c
+++ b/scripts/mod/sumversion.c
@@ -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;
diff --git a/scripts/package/builddeb b/scripts/package/builddeb
index b0b2357aef42..f6cbc3ddb68b 100644
--- a/scripts/package/builddeb
+++ b/scripts/package/builddeb
@@ -238,12 +238,12 @@ EOF
 fi
 
 # Build header package
-find . -name Makefile -o -name Kconfig\* -o -name \*.pl > /tmp/files$$
-find arch/x86/include include scripts -type f >> /tmp/files$$
+(cd $srctree; find . -name Makefile -o -name Kconfig\* -o -name \*.pl > /tmp/files$$)
+(cd $srctree; find arch/$SRCARCH/include include scripts -type f >> /tmp/files$$)
 (cd $objtree; find .config Module.symvers include scripts -type f >> /tmp/objfiles$$)
 destdir=$kernel_headers_dir/usr/src/linux-headers-$version
 mkdir -p "$destdir"
-tar -c -f - -T /tmp/files$$ | (cd $destdir; tar -xf -)
+(cd $srctree; tar -c -f - -T /tmp/files$$) | (cd $destdir; tar -xf -)
 (cd $objtree; tar -c -f - -T /tmp/objfiles$$) | (cd $destdir; tar -xf -)
 rm -f /tmp/files$$ /tmp/objfiles$$
 arch=$(dpkg --print-architecture)