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



details:   https://anonhg.NetBSD.org/src/rev/6b45e34dc5da
branches:  trunk
changeset: 977584:6b45e34dc5da
user:      rillig <rillig%NetBSD.org@localhost>
date:      Tue Oct 27 17:36:17 2020 +0000

description:
make(1): extract InitVarMake from main

diffstat:

 usr.bin/make/main.c |  52 ++++++++++++++++++++++++++++++----------------------
 1 files changed, 30 insertions(+), 22 deletions(-)

diffs (87 lines):

diff -r 089b90fc260b -r 6b45e34dc5da usr.bin/make/main.c
--- a/usr.bin/make/main.c       Tue Oct 27 17:16:24 2020 +0000
+++ b/usr.bin/make/main.c       Tue Oct 27 17:36:17 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: main.c,v 1.404 2020/10/27 17:09:09 rillig Exp $        */
+/*     $NetBSD: main.c,v 1.405 2020/10/27 17:36:17 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 1.404 2020/10/27 17:09:09 rillig Exp $");
+MAKE_RCSID("$NetBSD: main.c,v 1.405 2020/10/27 17:36:17 rillig Exp $");
 #if defined(MAKE_NATIVE) && !defined(lint)
 __COPYRIGHT("@(#) Copyright (c) 1988, 1989, 1990, 1993 "
            "The Regents of the University of California.  "
@@ -1096,6 +1096,33 @@
 }
 
 static void
+InitVarMake(char **argv)
+{
+       char mdpath[MAXPATHLEN];
+       const char *p1;
+
+       if (argv[0][0] == '/' || strchr(argv[0], '/') == NULL) {
+               /*
+                * Leave alone if it is an absolute path, or if it does
+                * not contain a '/' in which case we need to find it in
+                * the path, like execvp(3) and the shells do.
+                */
+               p1 = argv[0];
+       } else {
+               struct stat sb;
+               /*
+                * A relative path, canonicalize it.
+                */
+               p1 = cached_realpath(argv[0], mdpath);
+               if (!p1 || *p1 != '/' || stat(p1, &sb) < 0) {
+                       p1 = argv[0];           /* realpath failed */
+               }
+       }
+       Var_Set("MAKE", p1, VAR_GLOBAL);
+       Var_Set(".MAKE", p1, VAR_GLOBAL);
+}
+
+static void
 InitDefIncPath(char *syspath)
 {
        static char defsyspath[] = _PATH_DEFSYSPATH;
@@ -1260,7 +1287,6 @@
        Boolean outOfDate;      /* FALSE if all targets up to date */
        struct stat sa;
        char *p1;
-       char mdpath[MAXPATHLEN];
        const char *machine;
        const char *machine_arch;
        char *syspath = getenv("MAKESYSPATH");
@@ -1344,25 +1370,7 @@
         *      MFLAGS also gets initialized empty, for compatibility.
         */
        Parse_Init();
-       if (argv[0][0] == '/' || strchr(argv[0], '/') == NULL) {
-           /*
-            * Leave alone if it is an absolute path, or if it does
-            * not contain a '/' in which case we need to find it in
-            * the path, like execvp(3) and the shells do.
-            */
-           p1 = argv[0];
-       } else {
-           struct stat sb;
-           /*
-            * A relative path, canonicalize it.
-            */
-           p1 = cached_realpath(argv[0], mdpath);
-           if (!p1 || *p1 != '/' || stat(p1, &sb) < 0) {
-               p1 = argv[0];           /* realpath failed */
-           }
-       }
-       Var_Set("MAKE", p1, VAR_GLOBAL);
-       Var_Set(".MAKE", p1, VAR_GLOBAL);
+       InitVarMake(argv);
        Var_Set(MAKEFLAGS, "", VAR_GLOBAL);
        Var_Set(MAKEOVERRIDES, "", VAR_GLOBAL);
        Var_Set("MFLAGS", "", VAR_GLOBAL);



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