The bug was introduced when the special character changed from '#'

to '.'.  There is a check that says that lines that start with a '.' are
not dependency lines; From: "Christos S. Zoulas" <christos>

SCCS-vsn: usr.bin/make/parse.c 5.20

diff --git a/usr/src/usr.bin/make/parse.c b/usr/src/usr.bin/make/parse.c
index 4e1304c..ae3b691 100644 (file)
--- a/usr/src/usr.bin/make/parse.c
+++ b/usr/src/usr.bin/make/parse.c
@@ -11,7 +11,7 @@
  */
 
 #ifndef lint
  */
 
 #ifndef lint

-static char sccsid[] = "@(#)parse.c    5.19 (Berkeley) %G%";
+static char sccsid[] = "@(#)parse.c    5.20 (Berkeley) %G%";

 #endif /* not lint */
 
 /*-
 #endif /* not lint */
 
 /*-


@@ -201,6 +201,7 @@ static int ParseClearPath __P((Lst));
 static void ParseDoDependency __P((char *));
 static int ParseAddCmd __P((GNode *, char *));
 static int ParseReadc __P((void));
 static void ParseDoDependency __P((char *));
 static int ParseAddCmd __P((GNode *, char *));
 static int ParseReadc __P((void));

+static void ParseUnreadc __P((int));

 static int ParseHasCommands __P((GNode *));
 static void ParseDoInclude __P((char *));
 #ifdef SYSVINCLUDE
 static int ParseHasCommands __P((GNode *));
 static void ParseDoInclude __P((char *));
 #ifdef SYSVINCLUDE


@@ -1911,6 +1912,33 @@ ParseReadc()
     return EOF;
 }
 
     return EOF;
 }
 

+
+/*-
+ *---------------------------------------------------------------------
+ * ParseUnreadc  --
+ *     Put back a character to the current file 
+ *
+ * Results:
+ *     None.
+ *
+ * Side Effects:
+ *---------------------------------------------------------------------
+ */
+static void
+ParseUnreadc(c)
+    int c;
+{
+    if (curFILE) {
+       ungetc(c, curFILE);
+       return;
+    }
+    if (curPTR) {
+       *--(curPTR->ptr) = c;
+       return;
+    }
+}
+
+

 /* ParseSkipLine():
  *     Grab the next line
  */
 /* ParseSkipLine():
  *     Grab the next line
  */


@@ -2016,7 +2044,7 @@ ParseReadLine ()
     for (;;) {
        c = ParseReadc();
 
     for (;;) {
        c = ParseReadc();
 

-       if ((c == '\t') || (c == '.')) {
+       if (c == '\t') {

            ignComment = ignDepOp = TRUE;
            break;
        } else if (c == '\n') {
            ignComment = ignDepOp = TRUE;
            break;
        } else if (c == '\n') {


@@ -2057,7 +2085,7 @@ test_char:
                } else {
                    /*
                     * Check for comments, semiNL's, etc. -- easier than
                } else {
                    /*
                     * Check for comments, semiNL's, etc. -- easier than

-                    * ungetc(c, curFILE); continue;
+                    * ParseUnreadc(c); continue;

                     */
                    goto test_char;
                }
                     */
                    goto test_char;
                }


@@ -2078,7 +2106,7 @@ test_char:
                     * harm, since the newline remains in the buffer and the
                     * whole line is ignored.
                     */
                     * harm, since the newline remains in the buffer and the
                     * whole line is ignored.
                     */

-                   ungetc('\t', curFILE);
+                   ParseUnreadc('\t');

                    goto line_read;
                } 
                break;
                    goto line_read;
                } 
                break;