make/common/CancelImplicits.gmk

changeset 1
55540e827aef
child 114
1c130e7b7a2e
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/make/common/CancelImplicits.gmk	Sat Dec 01 00:00:00 2007 +0000
     1.3 @@ -0,0 +1,66 @@
     1.4 +#
     1.5 +# Copyright 1998-1999 Sun Microsystems, Inc.  All Rights Reserved.
     1.6 +# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 +#
     1.8 +# This code is free software; you can redistribute it and/or modify it
     1.9 +# under the terms of the GNU General Public License version 2 only, as
    1.10 +# published by the Free Software Foundation.  Sun designates this
    1.11 +# particular file as subject to the "Classpath" exception as provided
    1.12 +# by Sun in the LICENSE file that accompanied this code.
    1.13 +#
    1.14 +# This code is distributed in the hope that it will be useful, but WITHOUT
    1.15 +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.16 +# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.17 +# version 2 for more details (a copy is included in the LICENSE file that
    1.18 +# accompanied this code).
    1.19 +#
    1.20 +# You should have received a copy of the GNU General Public License version
    1.21 +# 2 along with this work; if not, write to the Free Software Foundation,
    1.22 +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.23 +#
    1.24 +# Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
    1.25 +# CA 95054 USA or visit www.sun.com if you need additional information or
    1.26 +# have any questions.
    1.27 +#
    1.28 +
    1.29 +#
    1.30 +# Cancel some GNU make implicit rules.  This causes far fewer stats
    1.31 +# (crucial in incremental builds, when all that is being done is stats -- I
    1.32 +# notice upto 20% speedup on local disk). See sections "10.2 Catalogue of
    1.33 +# Implicit Rules" and "10.5.6 Canceling Implicit Rules" in make.dvi; see
    1.34 +# also the output of gnumake -p.
    1.35 +#
    1.36 +# CAUTION! This is the first thing included in our makefiles, so you must
    1.37 +# not add any targets here.  Canceling %.f: %.F doesn't make any sense
    1.38 +# because we don't have any targets ending with .f.
    1.39 +#
    1.40 +
    1.41 +#
    1.42 +# We don't make binaries directly from .{source} files with implicit
    1.43 +# rules, so disable all of them.
    1.44 +#
    1.45 +ifndef USE_IMPLICITS
    1.46 +%: %.o
    1.47 +%: %.obj
    1.48 +%: %.dll
    1.49 +%: %.c
    1.50 +%: %.cc
    1.51 +%: %.C
    1.52 +%: %.p
    1.53 +%: %.f
    1.54 +%: %.s
    1.55 +%: %.F
    1.56 +%: %.r
    1.57 +%: %.S
    1.58 +%: %.mod
    1.59 +%: %.sh
    1.60 +endif
    1.61 +
    1.62 +#
    1.63 +# If you are using RCS, you must set the variable USE_RCS at the make
    1.64 +# command line. Otherwise we disable RCS.
    1.65 +#
    1.66 +ifndef USE_RCS
    1.67 +%:: %,v
    1.68 +%:: RCS/%,v
    1.69 +endif

mercurial