11.16Schristos#	$NetBSD: mknative.common,v 1.16 2018/04/15 15:13:37 christos Exp $
21.1Smrg#
31.1Smrg# from: NetBSD: mknative,v 1.12 2003/03/05 06:17:17 mrg Exp
41.1Smrg#
51.1Smrg# shell-fragment common to all "mknative" scripts
61.1Smrg
71.2Slukembomb()
81.2Slukem{
91.2Slukem	echo >&2 "ABORT: $*"
101.1Smrg	exit 1
111.1Smrg}
121.1Smrg
131.4Smrg# Make sure we can run OK.
141.4Smrgif [ -x "$MAKE" ]; then
151.4Smrg	:
161.4Smrgelse
171.4Smrg	bomb "MAKE not set"
181.4Smrgfi
191.4Smrg
201.1Smrg# usage: getvars MAKEFILE VARNAME [VARNAME...]
211.2Slukem#
221.2Slukemgetvars()
231.2Slukem{
241.12Schristos	_mfp="$1"; shift
251.4Smrg	case "$MAKE" in
261.4Smrg	*gmake)
271.12Schristos	_dir=$(dirname "$_TMPDIR/$_mfp")
281.12Schristos	_mf=$(basename "$_TMPDIR/$_mfp")
291.12Schristos	env MAKEFLAGS= $MAKE -C "$_dir" --quiet -f - -f "$_mf" _x_ <<EOF || bomb "getvars $_mf $* failed"
301.4Smrgdefine echo_var
311.15Schristos	@echo G_\${var}="\${\${var}}" | sed -e 's,\([^\.]\)\./\([a-zA-Z0-9_-]*\.o\),\1\2,g' -e 's,$_VPATH,\$\${GNUHOSTDIST},g' -e 's,$_GNU_DIST,\$\${GNUHOSTDIST},g' -e 's@"\\([A-Za-z0-9_./]*\\)"@\\\\"\\1\\\\"@g' -e "s@'"'\\([A-Za-z0-9./]*\\)'"'"'@\\\\"\\1\\\\"@g'
321.13Schristos
331.4Smrg
341.4Smrgendef
351.4Smrg_x_:
361.4Smrg	\$(foreach var,$*,\$(echo_var))
371.4SmrgEOF
381.4Smrg		;;
391.4Smrg	*)
401.16Schristos	$MAKE -B -f - _x_ <<EOF || bomb "getvars $_mfp $* failed"
411.1Smrg_x_:
421.1Smrg.for var in $*
431.5Smrg	@echo G_\${var}=\${\${var}:Q} | sed -e 's,\([^\.]\)\./\([a-zA-Z0-9_-]*\.o\),\1\2,g' -e 's,$_VPATH,\$\${GNUHOSTDIST},g' -e 's,$_GNU_DIST,\$\${GNUHOSTDIST},g'
441.1Smrg.endfor
451.16Schristos.include "$_TMPDIR/$_mfp"
461.1SmrgEOF
471.4Smrg	;;
481.4Smrg	esac
491.1Smrg}
501.1Smrg
511.11Schristos# usage: getlinks <config.status> <subdir>
521.11Schristos#
531.11Schristosgetlinks()
541.11Schristos{
551.11Schristos	_cs="$1"; shift
561.11Schristos	_dir="$1"; shift
571.11Schristos	echo -n G_CONFIGLINKS=
581.11Schristos	grep "^config_links=" $_cs | sed -e 's@config_links="\([^"]*\)"@\1@g' -e "s@\([^:]*\):\([^ ]*\)@\${GNUHOSTDIST}/${_dir}/\2 \1 @g"
591.11Schristos}
601.11Schristos
611.1Smrg# usage: write_c FILENAME
621.2Slukem#
631.2Slukemwrite_c()
641.2Slukem{
651.1Smrg	echo '/* This file is automatically generated.  DO NOT EDIT! */' >$_TOP/$1.tmp || \
661.1Smrg		bomb "cannot create $1"
671.11Schristos	grep '$''NetBSD' $0 | sed 's,[	#$],,g;s,.*,/* Generated from: & */,' >>$_TOP/$1.tmp
681.16Schristos	echo '$NetBSD: mknative.common,v 1.16 2018/04/15 15:13:37 christos Exp $' | sed 's,[#$],,g;s,.*,/* Generated from: & */,' >>$_TOP/$1.tmp
691.1Smrg	echo '' >>$_TOP/$1.tmp
701.1Smrg	writefile $1
711.1Smrg}
721.1Smrg
731.1Smrg# usage: write_mk FILENAME
741.2Slukem#
751.2Slukemwrite_mk()
761.2Slukem{
771.1Smrg	echo '# This file is automatically generated.  DO NOT EDIT!' >$_TOP/$1.tmp || \
781.1Smrg		bomb "cannot create $1"
791.11Schristos	grep '$''NetBSD' $0 | sed 's,[	#$],,g;s,.*,# Generated from: &,' >>$_TOP/$1.tmp
801.16Schristos	echo '$NetBSD: mknative.common,v 1.16 2018/04/15 15:13:37 christos Exp $' | sed 's,[#$],,g;s,.*,# Generated from: &,' >>$_TOP/$1.tmp
811.1Smrg	echo '#' >>$_TOP/$1.tmp
821.1Smrg	writefile $1
831.1Smrg}
841.1Smrg
851.2Slukemwritefile()
861.2Slukem{
871.1Smrg	sed -e 's,netbsd\(elf\)*1[0-9\.]*\(_\)*[A-Z]*,netbsd\1,' \
881.2Slukem	    -e 's,^/\* #undef HAVE_MMAP \*/$,#define HAVE_MMAP 1,' \
891.2Slukem	    >>$_TOP/$1.tmp
901.1Smrg
911.2Slukem		# Compare new file, sans "generated from" comments and RCS Id,
921.2Slukem		# to old file.  If they match, don't change anything.
931.1Smrg	rm -f $_TMPDIR/.1 $_TMPDIR/.2
941.1Smrg	grep -v 'Generated from:' $_TOP/$1 >$_TMPDIR/.1 2>/dev/null
951.1Smrg	grep -v 'Generated from:' $_TOP/$1.tmp >$_TMPDIR/.2
961.1Smrg
971.2Slukem		# will not overwrite a file that has the same content
981.1Smrg	if cmp $_TMPDIR/.1 $_TMPDIR/.2 >/dev/null 2>&1; then
991.1Smrg		rm -f $_TOP/$1.tmp
1001.1Smrg	else
1011.1Smrg		echo >&2 "$1 changed"
1021.1Smrg		mv -f $_TOP/$1.tmp $_TOP/$1
1031.1Smrg	fi
1041.1Smrg}
105