[src/trunk]: src/usr.bin/config Pretty-print `Makefile' output.

[uebayasi <uebayasi%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/28ee9c67e2a3
branches:  trunk
changeset: 340411:28ee9c67e2a3
user:      uebayasi <uebayasi%NetBSD.org@localhost>
date:      Thu Sep 03 13:32:07 2015 +0000

description:
Pretty-print `Makefile' output.

diffstat:

 usr.bin/config/mkmakefile.c |  29 ++++++++++++++++++++++-------
 1 files changed, 22 insertions(+), 7 deletions(-)

diffs (110 lines):

diff -r d6a771abfce1 -r 28ee9c67e2a3 usr.bin/config/mkmakefile.c
--- a/usr.bin/config/mkmakefile.c       Thu Sep 03 13:07:46 2015 +0000
+++ b/usr.bin/config/mkmakefile.c       Thu Sep 03 13:32:07 2015 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: mkmakefile.c,v 1.62 2015/09/03 09:28:00 uebayasi Exp $ */
+/*     $NetBSD: mkmakefile.c,v 1.63 2015/09/03 13:32:07 uebayasi Exp $ */
 
 /*
  * Copyright (c) 1992, 1993
@@ -45,7 +45,7 @@
 #endif
 
 #include <sys/cdefs.h>
-__RCSID("$NetBSD: mkmakefile.c,v 1.62 2015/09/03 09:28:00 uebayasi Exp $");
+__RCSID("$NetBSD: mkmakefile.c,v 1.63 2015/09/03 13:32:07 uebayasi Exp $");
 
 #include <sys/param.h>
 #include <ctype.h>
@@ -335,16 +335,19 @@
 emitobjs(FILE *fp)
 {
        struct files *fi;
+       int found = 0;
 
-       fputs("OFILES= \\\n", fp);
        TAILQ_FOREACH(fi, &allofiles, fi_snext) {
                if ((fi->fi_flags & FI_SEL) == 0)
                        continue;
+               if (found++ == 0)
+                       fputs("OFILES= \\\n", fp);
                putc('\t', fp);
                emitfile(fp, fi);
                fputs(" \\\n", fp);
        }
-       putc('\n', fp);
+       if (found == 0)
+               fprintf(fp, "#%%OBJS\n");
 }
 
 static void
@@ -477,9 +480,11 @@
        struct files *fi;
        struct config *cf;
        char swapname[100];
+       int found = 0;
 
-       fprintf(fp, "%cFILES= \\\n", toupper(suffix));
        TAILQ_FOREACH(fi, filelist, fi_snext) {
+               if (found++ == 0)
+                       fprintf(fp, "%cFILES= \\\n", toupper(suffix));
                if ((fi->fi_flags & FI_SEL) == 0)
                        continue;
                putc('\t', fp);
@@ -495,13 +500,16 @@
        if (!Sflag) {
        if (suffix == 'c') {
                TAILQ_FOREACH(cf, &allcf, cf_next) {
+                       found++;
                        (void)snprintf(swapname, sizeof(swapname), "swap%s.c",
                            cf->cf_name);
                        fprintf(fp, "\t%s \\\n", swapname);
                }
        }
        }
-       putc('\n', fp);
+
+       if (found == 0)
+               fprintf(fp, "#%%%cFILES\n", toupper(suffix));
 }
 
 /*
@@ -511,6 +519,7 @@
 emitrules(FILE *fp)
 {
        struct files *fi;
+       int found = 0;
 
        TAILQ_FOREACH(fi, &allfiles, fi_next) {
                if ((fi->fi_flags & FI_SEL) == 0)
@@ -521,7 +530,10 @@
                emitfile(fp, fi);
                putc('\n', fp);
                fprintf(fp, "\t%s\n\n", fi->fi_mkrule);
+               found = 1;
        }
+       if (found == 0)
+               fprintf(fp, "#%%RULES\n");
 }
 
 /*
@@ -533,6 +545,7 @@
 emitload(FILE *fp)
 {
        struct config *cf;
+       int found = 0;
 
        /*
         * Generate the backward-compatible "build_kernel" rule if
@@ -559,8 +572,10 @@
                            cf->cf_name);
                }
                fprintf(fp, "KERNELS+=%s\n", cf->cf_name);
+               found = 1;
        }
-       fputs("\n", fp);
+       if (found == 0)
+               fprintf(fp, "#%%LOAD\n");
 }
 
 /*