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[src/trunk]: src/usr.bin/make make(1): extract ReadBuiltinRules from main



details:   https://anonhg.NetBSD.org/src/rev/6339a7a081e4
branches:  trunk
changeset: 977568:6339a7a081e4
user:      rillig <rillig%NetBSD.org@localhost>
date:      Tue Oct 27 07:34:36 2020 +0000

description:
make(1): extract ReadBuiltinRules from main

diffstat:

 usr.bin/make/main.c |  34 +++++++++++++++++++---------------
 1 files changed, 19 insertions(+), 15 deletions(-)

diffs (69 lines):

diff -r a4c2f16904a0 -r 6339a7a081e4 usr.bin/make/main.c
--- a/usr.bin/make/main.c       Tue Oct 27 07:28:33 2020 +0000
+++ b/usr.bin/make/main.c       Tue Oct 27 07:34:36 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: main.c,v 1.397 2020/10/27 07:28:33 rillig Exp $        */
+/*     $NetBSD: main.c,v 1.398 2020/10/27 07:34:36 rillig Exp $        */
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -118,7 +118,7 @@
 #include "trace.h"
 
 /*     "@(#)main.c     8.3 (Berkeley) 3/19/94" */
-MAKE_RCSID("$NetBSD: main.c,v 1.397 2020/10/27 07:28:33 rillig Exp $");
+MAKE_RCSID("$NetBSD: main.c,v 1.398 2020/10/27 07:34:36 rillig Exp $");
 #if defined(MAKE_NATIVE) && !defined(lint)
 __COPYRIGHT("@(#) Copyright (c) 1988, 1989, 1990, 1993 "
            "The Regents of the University of California.  "
@@ -1125,6 +1125,21 @@
                free(syspath);
 }
 
+static void
+ReadBuiltinRules(void)
+{
+       StringList *sysMkPath = Lst_New();
+       Dir_Expand(_PATH_DEFSYSMK,
+                  Lst_IsEmpty(sysIncPath) ? defIncPath : sysIncPath,
+                  sysMkPath);
+       if (Lst_IsEmpty(sysMkPath))
+               Fatal("%s: no system rules (%s).", progname, _PATH_DEFSYSMK);
+       if (!Lst_ForEachUntil(sysMkPath, ReadMakefileSucceeded, NULL))
+               Fatal("%s: cannot open %s.", progname,
+                     (char *)sysMkPath->first->datum);
+       /* XXX: sysMkPath is not freed */
+}
+
 /*-
  * main --
  *     The main function, for obvious reasons. Initializes variables
@@ -1152,7 +1167,6 @@
        const char *machine;
        const char *machine_arch;
        char *syspath = getenv("MAKESYSPATH");
-       StringList *sysMkPath;          /* Path of sys.mk */
        struct timeval rightnow;        /* to initialize random seed */
        struct utsname utsname;
 
@@ -1375,18 +1389,8 @@
         * makefiles, or the default makefile and Makefile, in that order,
         * if no makefiles were given on the command line.
         */
-       if (!opts.noBuiltins) {
-               sysMkPath = Lst_New();
-               Dir_Expand(_PATH_DEFSYSMK,
-                          Lst_IsEmpty(sysIncPath) ? defIncPath : sysIncPath,
-                          sysMkPath);
-               if (Lst_IsEmpty(sysMkPath))
-                       Fatal("%s: no system rules (%s).", progname,
-                           _PATH_DEFSYSMK);
-               if (!Lst_ForEachUntil(sysMkPath, ReadMakefileSucceeded, NULL))
-                       Fatal("%s: cannot open %s.", progname,
-                           (char *)sysMkPath->first->datum);
-       }
+       if (!opts.noBuiltins)
+               ReadBuiltinRules();
 
        if (opts.makefiles->first != NULL) {
                StringListNode *ln;



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