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[src/trunk]: src/etc Get rid of 'sync' after each kernel build. It adds a not...



details:   https://anonhg.NetBSD.org/src/rev/88388aae93c3
branches:  trunk
changeset: 975957:88388aae93c3
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Wed Sep 09 12:06:02 2020 +0000

description:
Get rid of 'sync' after each kernel build. It adds a noticeable delay to
builds on modern systems and seems to have been added as a workaround for
some 2004-era Linux NFS bug. Guessing that the issue has been sorted out
in the meantime.

diffstat:

 etc/Makefile |  7 +------
 1 files changed, 1 insertions(+), 6 deletions(-)

diffs (28 lines):

diff -r 238a888152ae -r 88388aae93c3 etc/Makefile
--- a/etc/Makefile      Wed Sep 09 09:52:16 2020 +0000
+++ b/etc/Makefile      Wed Sep 09 12:06:02 2020 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: Makefile,v 1.447 2020/09/03 18:59:33 jakllsch Exp $
+#      $NetBSD: Makefile,v 1.448 2020/09/09 12:06:02 jmcneill Exp $
 #      from: @(#)Makefile      8.7 (Berkeley) 5/25/95
 
 # Environment variables without default values:
@@ -582,10 +582,6 @@
 build_kernels: .PHONY
 #      Configure & compile kernels listed in ${ALL_KERNELS}
 #
-# The 'sync' is so that all writes during the build are pushed back
-# to the disk.  Not having it causes problems on some host systems
-# (e.g. Linux) when building on NFS.
-#
 .if !defined(KERNELS_DONE)                                             # {
 .for configfile in ${ALL_KERNELS:O:u}                                  # {
 build_kernels: kern-${configfile}
@@ -597,7 +593,6 @@
 .endif
        ${MAKE} -C ${KERNOBJDIR}/${configfile:C/.*\///} depend && \
        ${MAKE} -C ${KERNOBJDIR}/${configfile:C/.*\///} 
-       sync
 .endfor        # ALL_KERNELS                                                   # }
 .endif # KERNELS_DONE                                                  # }
 



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