1# $NetBSD: mknative.common,v 1.16 2018/04/15 15:13:37 christos Exp $ 2# 3# from: NetBSD: mknative,v 1.12 2003/03/05 06:17:17 mrg Exp 4# 5# shell-fragment common to all "mknative" scripts 6 7bomb() 8{ 9 echo >&2 "ABORT: $*" 10 exit 1 11} 12 13# Make sure we can run OK. 14if [ -x "$MAKE" ]; then 15 : 16else 17 bomb "MAKE not set" 18fi 19 20# usage: getvars MAKEFILE VARNAME [VARNAME...] 21# 22getvars() 23{ 24 _mfp="$1"; shift 25 case "$MAKE" in 26 *gmake) 27 _dir=$(dirname "$_TMPDIR/$_mfp") 28 _mf=$(basename "$_TMPDIR/$_mfp") 29 env MAKEFLAGS= $MAKE -C "$_dir" --quiet -f - -f "$_mf" _x_ <<EOF || bomb "getvars $_mf $* failed" 30define echo_var 31 @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' 32 33 34endef 35_x_: 36 \$(foreach var,$*,\$(echo_var)) 37EOF 38 ;; 39 *) 40 $MAKE -B -f - _x_ <<EOF || bomb "getvars $_mfp $* failed" 41_x_: 42.for var in $* 43 @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' 44.endfor 45.include "$_TMPDIR/$_mfp" 46EOF 47 ;; 48 esac 49} 50 51# usage: getlinks <config.status> <subdir> 52# 53getlinks() 54{ 55 _cs="$1"; shift 56 _dir="$1"; shift 57 echo -n G_CONFIGLINKS= 58 grep "^config_links=" $_cs | sed -e 's@config_links="\([^"]*\)"@\1@g' -e "s@\([^:]*\):\([^ ]*\)@\${GNUHOSTDIST}/${_dir}/\2 \1 @g" 59} 60 61# usage: write_c FILENAME 62# 63write_c() 64{ 65 echo '/* This file is automatically generated. DO NOT EDIT! */' >$_TOP/$1.tmp || \ 66 bomb "cannot create $1" 67 grep '$''NetBSD' $0 | sed 's,[ #$],,g;s,.*,/* Generated from: & */,' >>$_TOP/$1.tmp 68 echo '$NetBSD: mknative.common,v 1.16 2018/04/15 15:13:37 christos Exp $' | sed 's,[#$],,g;s,.*,/* Generated from: & */,' >>$_TOP/$1.tmp 69 echo '' >>$_TOP/$1.tmp 70 writefile $1 71} 72 73# usage: write_mk FILENAME 74# 75write_mk() 76{ 77 echo '# This file is automatically generated. DO NOT EDIT!' >$_TOP/$1.tmp || \ 78 bomb "cannot create $1" 79 grep '$''NetBSD' $0 | sed 's,[ #$],,g;s,.*,# Generated from: &,' >>$_TOP/$1.tmp 80 echo '$NetBSD: mknative.common,v 1.16 2018/04/15 15:13:37 christos Exp $' | sed 's,[#$],,g;s,.*,# Generated from: &,' >>$_TOP/$1.tmp 81 echo '#' >>$_TOP/$1.tmp 82 writefile $1 83} 84 85writefile() 86{ 87 sed -e 's,netbsd\(elf\)*1[0-9\.]*\(_\)*[A-Z]*,netbsd\1,' \ 88 -e 's,^/\* #undef HAVE_MMAP \*/$,#define HAVE_MMAP 1,' \ 89 >>$_TOP/$1.tmp 90 91 # Compare new file, sans "generated from" comments and RCS Id, 92 # to old file. If they match, don't change anything. 93 rm -f $_TMPDIR/.1 $_TMPDIR/.2 94 grep -v 'Generated from:' $_TOP/$1 >$_TMPDIR/.1 2>/dev/null 95 grep -v 'Generated from:' $_TOP/$1.tmp >$_TMPDIR/.2 96 97 # will not overwrite a file that has the same content 98 if cmp $_TMPDIR/.1 $_TMPDIR/.2 >/dev/null 2>&1; then 99 rm -f $_TOP/$1.tmp 100 else 101 echo >&2 "$1 changed" 102 mv -f $_TOP/$1.tmp $_TOP/$1 103 fi 104} 105