kbuild: escape '#' in .target.cmd files

Commandlines are contained in the .<target>.cmd files and in case they
contain a '#' char make see this as start of comment.
Teach fixdep to escape the '#' char so make will assing the full commandline.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>

1 files changed, 14 insertions, 1 deletions

diff --git a/scripts/basic/fixdep.c b/scripts/basic/fixdep.c
index 0b61bea869f..679124b11e1 100644
--- a/scripts/basic/fixdep.c
+++ b/scripts/basic/fixdep.c
@@ -130,9 +130,22 @@ void usage(void)
         exit(1);
 }
 
+/*
+ * Print out the commandline prefixed with cmd_<target filename> :=
+ * If commandline contains '#' escape with '\' so make to not see
+ * the '#' as a start-of-comment symbol
+ **/
 void print_cmdline(void)
 {
-        printf("cmd_%s := %s\n\n", target, cmdline);
+        char *p = cmdline;
+
+        printf("cmd_%s := ", target);
+        for (; *p; p++) {
+                if (*p == '#')
+                        printf("\\");
+                printf("%c", *p);
+        }
+        printf("\n\n");
 }
 
 char * str_config  = NULL;