From 8c218dc01b376e7a560d2b7fcbacca532b75fe4b Mon Sep 17 00:00:00 2001
From: nia <nia@pkgsrc.org>
Date: Sun, 24 May 2020 05:35:51 +0000
Subject: Import bmake-

---
 devel/bmake/files/mk/sys.dependfile.mk | 59 ++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 devel/bmake/files/mk/sys.dependfile.mk

(limited to 'devel/bmake/files/mk/sys.dependfile.mk')

diff --git a/devel/bmake/files/mk/sys.dependfile.mk b/devel/bmake/files/mk/sys.dependfile.mk
new file mode 100644
index 00000000000..984c921289f
--- /dev/null
+++ b/devel/bmake/files/mk/sys.dependfile.mk
@@ -0,0 +1,59 @@
+# $Id: sys.dependfile.mk,v 1.1.1.1 2020/05/24 05:35:53 nia Exp $
+#
+#	@(#) Copyright (c) 2012, Simon J. Gerraty
+#
+#	This file is provided in the hope that it will
+#	be of use.  There is absolutely NO WARRANTY.
+#	Permission to copy, redistribute or otherwise
+#	use this file is hereby granted provided that 
+#	the above copyright notice and this notice are
+#	left intact. 
+#      
+#	Please send copies of changes and bug-fixes to:
+#	sjg@crufty.net
+#
+
+# This only makes sense in meta mode.
+# This allows a mixture of auto generated as well as manually edited
+# dependency files, which can be differentiated by their names.
+# As per dirdeps.mk we only require:
+# 1. a common prefix
+# 2. that machine specific files end in .${MACHINE}
+#
+# The .MAKE.DEPENDFILE_PREFERENCE below is an example.
+
+# All depend file names should start with this
+.MAKE.DEPENDFILE_PREFIX ?= Makefile.depend
+
+.if !empty(.MAKE.DEPENDFILE) && \
+	${.MAKE.DEPENDFILE:M${.MAKE.DEPENDFILE_PREFIX}*} == ""
+# let us do our thing below...
+.undef .MAKE.DEPENDFILE
+.endif
+
+# The order of preference: we will use the first one of these we find.
+# It usually makes sense to order from most specific to least.
+.MAKE.DEPENDFILE_PREFERENCE ?= \
+	${.CURDIR}/${.MAKE.DEPENDFILE_PREFIX}.${MACHINE} \
+	${.CURDIR}/${.MAKE.DEPENDFILE_PREFIX}
+
+# Normally the 1st entry is our default choice
+# Another useful default is ${.MAKE.DEPENDFILE_PREFIX}
+.MAKE.DEPENDFILE_DEFAULT ?= ${.MAKE.DEPENDFILE_PREFERENCE:[1]}
+
+_e := ${.MAKE.DEPENDFILE_PREFERENCE:@m@${exists($m):?$m:}@}
+.if !empty(_e)
+.MAKE.DEPENDFILE := ${_e:[1]}
+.elif ${.MAKE.DEPENDFILE_PREFERENCE:M*${MACHINE}} != "" && ${.MAKE.DEPENDFILE_DEFAULT:E} != ${MACHINE}
+# MACHINE specific depend files are supported, but *not* default.
+# If any already exist, we should follow suit.
+_aml = ${ALL_MACHINE_LIST:Uarm amd64 i386 powerpc:N${MACHINE}} ${MACHINE}
+# make sure we restore MACHINE
+_m := ${MACHINE}
+_e := ${_aml:@MACHINE@${.MAKE.DEPENDFILE_PREFERENCE:@m@${exists($m):?$m:}@}@}
+MACHINE := ${_m}
+.if !empty(_e)
+.MAKE.DEPENDFILE ?= ${.MAKE.DEPENDFILE_PREFERENCE:M*${MACHINE}:[1]}
+.endif
+.endif
+.MAKE.DEPENDFILE ?= ${.MAKE.DEPENDFILE_DEFAULT}
-- 
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