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[src/trunk]: src/usr.bin/make make(1): clean up comments in make.h



details:   https://anonhg.NetBSD.org/src/rev/c4d71cd96ddc
branches:  trunk
changeset: 956723:c4d71cd96ddc
user:      rillig <rillig%NetBSD.org@localhost>
date:      Fri Nov 06 20:20:00 2020 +0000

description:
make(1): clean up comments in make.h

diffstat:

 usr.bin/make/make.h |  56 +++++++++++++++++++++++++++-------------------------
 1 files changed, 29 insertions(+), 27 deletions(-)

diffs (103 lines):

diff -r a45c3a0389ac -r c4d71cd96ddc usr.bin/make/make.h
--- a/usr.bin/make/make.h       Fri Nov 06 19:47:31 2020 +0000
+++ b/usr.bin/make/make.h       Fri Nov 06 20:20:00 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: make.h,v 1.189 2020/11/05 00:40:31 rillig Exp $        */
+/*     $NetBSD: make.h,v 1.190 2020/11/06 20:20:00 rillig Exp $        */
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -400,9 +400,7 @@
     COND_INVALID               /* Not a conditional statement */
 } CondEvalResult;
 
-/*
- * Definitions for the "local" variables. Used only for clarity.
- */
+/* Names of the variables that are "local" to a specific target. */
 #define TARGET         "@"     /* Target of dependency */
 #define OODATE         "?"     /* All out-of-date sources */
 #define ALLSRC         ">"     /* All sources */
@@ -414,29 +412,30 @@
 /*
  * Global Variables
  */
-extern SearchPath *dirSearchPath;
-                               /* The list of directories to search when
-                                * looking for targets */
-extern Boolean  allPrecious;   /* True if every target is precious */
-extern Boolean  deleteOnError; /* True if failed targets should be deleted */
-extern Boolean doing_depend;   /* TRUE if processing .depend */
 
-extern GNode    *DEFAULT;      /* .DEFAULT rule */
+/* True if every target is precious */
+extern Boolean allPrecious;
+/* True if failed targets should be deleted */
+extern Boolean deleteOnError;
+/* TRUE while processing .depend */
+extern Boolean doing_depend;
+/* .DEFAULT rule */
+extern GNode *DEFAULT;
 
-extern GNode   *VAR_INTERNAL;  /* Variables defined internally by make
-                                * which should not override those set by
-                                * makefiles.
-                                */
-extern GNode    *VAR_GLOBAL;   /* Variables defined in a global context, e.g
-                                * in the Makefile itself */
-extern GNode    *VAR_CMDLINE;  /* Variables defined on the command line */
-extern char    var_Error[];    /* Value returned by Var_Parse when an error
-                                * is encountered. It actually points to
-                                * an empty string, so naive callers needn't
-                                * worry about it. */
+/* Variables defined internally by make which should not override those set
+ * by makefiles. */
+extern GNode *VAR_INTERNAL;
+/* Variables defined in a global context, e.g in the Makefile itself. */
+extern GNode *VAR_GLOBAL;
+/* Variables defined on the command line. */
+extern GNode *VAR_CMDLINE;
 
-extern time_t  now;            /* The time at the start of this whole
-                                * process */
+/* Value returned by Var_Parse when an error is encountered. It actually
+ * points to an empty string, so naive callers needn't worry about it. */
+extern char var_Error[];
+
+/* The time at the start of this whole process */
+extern time_t now;
 
 /*
  * If FALSE (the default behavior), undefined subexpressions in a variable
@@ -453,6 +452,9 @@
  */
 extern Boolean preserveUndefined;
 
+/* The list of directories to search when looking for targets (set by the
+ * special target .PATH). */
+extern SearchPath *dirSearchPath;
 /* Used for .include "...". */
 extern SearchPath *parseIncPath;
 /* Used for .include <...>, for the built-in sys.mk and makefiles from the
@@ -463,18 +465,18 @@
 
 extern char curdir[];          /* Startup directory */
 extern char *progname;         /* The program name */
-extern char *makeDependfile;   /* .depend */
+extern char *makeDependfile;   /* Name of the .depend makefile */
 /* If we replaced environ, this will be non-NULL. */
 extern char **savedEnv;
 
-extern int     makelevel;
+extern int makelevel;
 
 /*
  * We cannot vfork() in a child of vfork().
  * Most systems do not enforce this but some do.
  */
 #define vFork() ((getpid() == myPid) ? vfork() : fork())
-extern pid_t   myPid;
+extern pid_t myPid;
 
 #define        MAKEFLAGS       ".MAKEFLAGS"
 #define        MAKEOVERRIDES   ".MAKEOVERRIDES"



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