1 files changed, 80 insertions, 0 deletions
diff --git a/devel/bmake/files/mk/autoconf.mk b/devel/bmake/files/mk/autoconf.mk
new file mode 100644
index 00000000000..56111a0313e
--- /dev/null
+++ b/devel/bmake/files/mk/autoconf.mk
@@ -0,0 +1,80 @@
+# $Id: autoconf.mk,v 1.1.1.1 2020/05/24 05:35:53 nia Exp $
+#
+#	@(#) Copyright (c) 1996-2009, 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
+#
+
+.NOPATH:	config.h config.status
+
+CONFIGURE_DEPS += ${.CURDIR}/config.h.in ${.CURDIR}/configure
+
+.if !target(config.h)
+config.h:	${CONFIGURE_DEPS} config.status
+	./config.status
+.endif
+
+.if !target(config.status)
+# avoid the targets behaving differently
+.if exists(${.OBJDIR}/config.status)
+config.status:	config.recheck
+.else
+config.status:  config.gen
+.endif
+
+config.recheck: ${CONFIGURE_DEPS}
+	./config.status --recheck
+	@touch $@
+
+config.gen: ${CONFIGURE_DEPS}
+	CC="${CC} ${CCMODE}" ${.CURDIR}/configure --no-create ${CONFIGURE_ARGS}
+	@touch $@ config.recheck
+
+CLEANFILES+= config.recheck config.gen config.status *.meta
+.endif
+
+# avoid things blowing up if these are not here...
+# this is not quite per the autoconf manual,
+# and is extremely convoluted - but all utterly necessary!
+
+.if make(autoconf-in) || make(configure) || make(config.h.in) || ${AUTO_AUTOCONF:Uno:tl} == "yes"
+AUTOCONF ?= autoconf
+AUTOHEADER ?= autoheader
+
+# expand it to a full path 
+AUTOCONF := ${AUTOCONF:${M_whence}}
+
+.if exists(${AUTOCONF})
+
+.PRECIOUS: configure config.h.in config.status
+
+ACLOCAL =
+ACCONFIG =
+
+.if exists(${.CURDIR}/aclocal.m4)
+ACLOCAL += aclocal.m4
+.endif
+# use of acconfig.h is deprecated!
+.if exists(${.CURDIR}/acconfig.h)
+ACCONFIG += acconfig.h
+.endif
+
+config.h.in:	${.CURDIR}/configure.in ${ACCONFIG}
+	(cd ${.CURDIR} && ${AUTOHEADER})
+
+configure:	${.CURDIR}/configure.in ${ACLOCAL}
+	(cd ${.CURDIR} && ${AUTOCONF})
+
+AUTOCONF_INPUTS += configure
+autoconf-input:	${AUTOCONF_INPUTS}
+
+.endif
+.endif