[src/trunk]: src/share/mk Provide and document GZIP_N_FLAG and TOOL_GZIP_N.

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

details:   https://anonhg.NetBSD.org/src/rev/891a75da9b04
branches:  trunk
changeset: 331205:891a75da9b04
user:      apb <apb%NetBSD.org@localhost>
date:      Tue Aug 05 15:25:20 2014 +0000

description:
Provide and document GZIP_N_FLAG and TOOL_GZIP_N.
These may be used to pass "-nT" instead of just "-n"
when the gzip program is actually pigz.

diffstat:

 share/mk/bsd.README |  11 ++++++++++-
 share/mk/bsd.own.mk |   8 +++++++-
 2 files changed, 17 insertions(+), 2 deletions(-)

diffs (59 lines):

diff -r 0c7ffc248c84 -r 891a75da9b04 share/mk/bsd.README
--- a/share/mk/bsd.README       Tue Aug 05 15:01:03 2014 +0000
+++ b/share/mk/bsd.README       Tue Aug 05 15:25:20 2014 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: bsd.README,v 1.334 2014/07/06 18:22:03 dholland Exp $
+#      $NetBSD: bsd.README,v 1.335 2014/08/05 15:25:20 apb Exp $
 #      @(#)bsd.README  8.2 (Berkeley) 4/2/94
 
 This is the README file for the make "include" files for the NetBSD
@@ -621,6 +621,10 @@
 
 DOCMODE                Documentation mode.  [${NONBINMODE}]
 
+GZIP_N_FLAG    Flags to pass to TOOL_GZIP to prevent it from inserting
+               file names or timestamps in the compressed output.
+               [-n, or -nT when TOOL_GZIP is really TOOL_PIGZ]
+
 NLSDIR         Base path for Native Language Support files installation.
                [/usr/share/nls]
 
@@ -800,6 +804,11 @@
 
 TOOL_GZIP              Compression/decompression tool.  [gzip]
 
+TOOL_GZIP_N            Same as TOOL_GZIP, plus a command line option to
+                       prevent it from inserting file names or timestamps
+                       into the compressed output.
+                       [${TOOL_GZIP} ${GZIP_N_FLAG}]
+
 TOOL_HEXDUMP           Ascii, decimal, hexadecimal, octal dump.  [hexdump]
 
 TOOL_HP300MKBOOT       Make bootable image for hp300.  [hp300-mkboot]
diff -r 0c7ffc248c84 -r 891a75da9b04 share/mk/bsd.own.mk
--- a/share/mk/bsd.own.mk       Tue Aug 05 15:01:03 2014 +0000
+++ b/share/mk/bsd.own.mk       Tue Aug 05 15:25:20 2014 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: bsd.own.mk,v 1.824 2014/07/24 20:29:19 plunky Exp $
+#      $NetBSD: bsd.own.mk,v 1.825 2014/08/05 15:25:20 apb Exp $
 
 # This needs to be before bsd.init.mk
 .if defined(BSD_MK_COMPAT_FILE)
@@ -1174,11 +1174,17 @@
 ${var}?= no
 .endfor
 
+#
+# TOOL_GZIP and friends.  These might refer to TOOL_PIGS or to the host gzip.
+#
 .if ${USE_PIGZGZIP} != "no"
 TOOL_GZIP=             ${TOOL_PIGZ}
+GZIP_N_FLAG?=          -nT
 .else
 TOOL_GZIP=             gzip
+GZIP_N_FLAG?=          -n
 .endif
+TOOL_GZIP_N=           ${TOOL_GZIP} ${GZIP_N_FLAG}
 
 #
 # Where X11 sources are and where it is installed to.