| 1 | #!/usr/bin/env bash
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| 2 | # $FreeWRT: src/share/misc/licence.template,v 1.20 2006/12/11 21:04:56 tg Rel $
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| 3 | #-
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| 4 | # Copyright (c) 2006, 2007
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| 5 | # Thorsten Glaser <tg@mirbsd.de>
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| 6 | #
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| 7 | # Provided that these terms and disclaimer and all copyright notices
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| 8 | # are retained or reproduced in an accompanying document, permission
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| 9 | # is granted to deal in this work without restriction, including un-
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| 10 | # limited rights to use, publicly perform, distribute, sell, modify,
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| 11 | # merge, give away, or sublicence.
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| 12 | #
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| 13 | # Advertising materials mentioning features or use of this work must
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| 14 | # display the following acknowledgement:
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| 15 | # This product includes material provided by Thorsten Glaser.
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| 16 | # This acknowledgement does not need to be reprinted if this work is
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| 17 | # linked into a bigger work whose licence does not allow such clause
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| 18 | # and the author of this work is given due credit in the bigger work
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| 19 | # or its accompanying documents, where such information is generally
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| 20 | # kept, provided that said credits are retained.
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| 21 | #
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| 22 | # This work is provided "AS IS" and WITHOUT WARRANTY of any kind, to
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| 23 | # the utmost extent permitted by applicable law, neither express nor
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| 24 | # implied; without malicious intent or gross negligence. In no event
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| 25 | # may a licensor, author or contributor be held liable for indirect,
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| 26 | # direct, other damage, loss, or other issues arising in any way out
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| 27 | # of dealing in the work, even if advised of the possibility of such
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| 28 | # damage or existence of a defect, except proven that it results out
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| 29 | # of said person's immediate fault when using the work as intended.
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| 30 | #-
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| 31 | # Scan for prerequisite host tools.
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| 32 |
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| 33 | if test -z "$BASH_VERSION"; then
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| 34 | echo FreeWRT requires GNU bash to be installed, sorry.
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| 35 | exit 1
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| 36 | fi
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| 37 |
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| 38 | shopt -s extglob
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| 39 | topdir=$(pwd)
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| 40 | opath=$PATH
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| 41 | out=0
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| 42 |
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| 43 | if [[ $NO_ERROR != @(0|1) ]]; then
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| 44 | echo Please do not invoke this script directly!
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| 45 | exit 1
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| 46 | fi
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| 47 |
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| 48 | set -e
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| 49 | rm -rf $topdir/lbin/tmp
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| 50 | mkdir -p $topdir/lbin/tmp
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| 51 | cd $topdir/lbin/tmp
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| 52 |
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| 53 | os=$(uname)
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| 54 | case $os in
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| 55 | Linux)
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| 56 | # supported with no extra quirks at the moment
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| 57 | ;;
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| 58 | OpenBSD)
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| 59 | # supported with no extra quirks at the moment
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| 60 | # although some packages' autoconf scripts may
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| 61 | # not properly recognise OpenBSD
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| 62 | ;;
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| 63 | MirBSD)
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| 64 | # needs a little quirk, because the autoconf
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| 65 | # version of some packages doesn't recognise
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| 66 | # it as valid OS, and as build (not host) OS
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| 67 | # faking OpenBSD is close enough
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| 68 | rm -f $topdir/lbin/uname
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| 69 | sed -e 's!@@FromOS@@!MirBSD!g' -e 's!@@ToOS@@!OpenBSD!g' \
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| 70 | -e "s!@@PROG@@!$($topdir/lbin/which uname)!g" \
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| 71 | <$topdir/scripts/uname.fake >$topdir/lbin/uname
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| 72 | chmod 555 $topdir/lbin/uname
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| 73 | ;;
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| 74 | *)
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| 75 | # unsupported
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| 76 | echo "Building FreeWRT on $os is currently unsupported."
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| 77 | echo "Sorry."
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| 78 | echo
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| 79 | case $os in
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| 80 | Darwin|Cyg*)
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| 81 | echo "The most prominent issue is that filesystems"
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| 82 | echo "can be case-insensitive. Some macros are missing."
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| 83 | echo
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| 84 | ;;
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| 85 | NetBSD|FreeBSD|DragonFly)
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| 86 | echo "Building should succeed with relatively few"
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| 87 | echo "patches, but perl must live in /usr/bin for"
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| 88 | echo "now in FreeWRT, which should indeed be fixed."
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| 89 | echo
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| 90 | ;;
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| 91 | esac
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| 92 | echo "If you need FreeWRT building on $os, please contact"
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| 93 | echo "the development team; there may be contractors available"
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| 94 | echo "for this task. If you intend on turning $os into one of"
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| 95 | echo "the supported build OSes, please contact us as well so"
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| 96 | echo "that we can feed back your enhancements into FreeWRT."
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| 97 | exit 1
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| 98 | ;;
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| 99 | esac
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| 100 |
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| 101 | set +e
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| 102 |
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| 103 | if [[ ! -e $topdir/lbin/gmake ]]; then
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| 104 | for f in $topdir/tools_build/gmake/make \
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| 105 | "$($topdir/lbin/which gmake)" "$($topdir/lbin/which make)"; do
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| 106 | [[ -e $f ]] || continue
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| 107 | if [[ $f = $topdir/tools_build/gmake/make ]]; then
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| 108 | install -c -s -m 555 $f $topdir/lbin/gmake
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| 109 | else
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| 110 | ln -s "$f" $topdir/lbin/gmake
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| 111 | fi
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| 112 | break
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| 113 | done
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| 114 | fi
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| 115 | X=$($topdir/lbin/gmake --version 2>&1 | grep '^GNU Make' | \
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| 116 | sed -e 's/GNU Make //' -e 's/version //' -e 's/, by.*$//')
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| 117 | [[ $X = +([0-9]).+([0-9]).+([0-9]) ]] && X=${X%.*}
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| 118 | if [[ $X = +([0-9]).+([0-9]) ]]; then
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| 119 | let major=${X%.*}
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| 120 | let minor=${X#*.}
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| 121 | elif [[ $X = +([0-9]).+([0-9])beta* ]]; then
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| 122 | # Beta version is not "the real thing"
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| 123 | let major=${X%.*}
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| 124 | X=${X%beta*}
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| 125 | let minor=${X#*.}-1
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| 126 | else
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| 127 | let major=0
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| 128 | fi
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| 129 | if (( (major < 3) || ((major == 3) && (minor < 81)) )); then
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| 130 | echo "---> building GNU make 3.81"
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| 131 | rm -rf $topdir/tools_build/gmake $topdir/lbin/gmake
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| 132 | set -e
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| 133 | mkdir -p $topdir/tools_build/gmake
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| 134 | cd $topdir/tools_build/gmake
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| 135 | env CPPFLAGS="$CPPFLAGS -Dstrcmpi=strcasecmp" \
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| 136 | CFLAGS="$(grep '^HOSTCFLAGS' $topdir/lbin/prereq.mk | \
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| 137 | sed 's/HOSTCFLAGS:=//')" \
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| 138 | $BASH $topdir/tools/gmake/configure \
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| 139 | --program-prefix=g \
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| 140 | --disable-dependency-tracking \
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| 141 | --disable-nls \
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| 142 | --without-libiconv-prefix \
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| 143 | --without-libintl-prefix
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| 144 | make all
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| 145 | install -c -s -m 555 make $topdir/lbin/gmake
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| 146 | set +e
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| 147 | cd $topdir/lbin; ls -l gmake
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| 148 | cd $topdir/lbin/tmp
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| 149 | fi
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| 150 | export PATH=$topdir/lbin:$PATH
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| 151 |
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| 152 | cat >Makefile <<'EOF'
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| 153 | include ${TOPDIR}/lbin/prereq.mk
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| 154 | HOSTCFLAGS+= ${FLAG_TEST}
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| 155 | all: run-test
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| 156 |
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| 157 | test: test.c
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| 158 | ${HOSTCC} ${HOSTCFLAGS} -o $@ $^ ${LDADD}
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| 159 |
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| 160 | run-test: test
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| 161 | ./test
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| 162 | EOF
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| 163 | cat >test.c <<-'EOF'
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| 164 | #include <stdio.h>
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| 165 | int
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| 166 | main()
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| 167 | {
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| 168 | printf("Yay! Native compiler works.\n");
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| 169 | return (0);
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| 170 | }
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| 171 | EOF
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| 172 | X=$(gmake TOPDIR=$topdir 2>&1)
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| 173 | if [[ $X != *@(Native compiler works)* ]]; then
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| 174 | echo "$X" | sed 's/^/| /'
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| 175 | echo Cannot compile a simple test programme.
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| 176 | echo You must install a host make and C compiler,
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| 177 | echo usually GCC, to proceed.
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| 178 | echo
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| 179 | out=1
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| 180 | fi
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| 181 | rm test
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| 182 |
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| 183 | X=$(gmake FLAG_TEST=-fwrapv TOPDIR=$topdir 2>&1)
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| 184 | grep '^HOSTCFLAGS.*-fwrapv' ../prereq.mk >/dev/null 2>&1 || \
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| 185 | if [[ $X = *@(Native compiler works)* ]]; then
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| 186 | printf '/^HOSTCFLAGS/s/$/ -fwrapv/\nwq\n' | ed -s ../prereq.mk
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| 187 | else
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| 188 | echo "$X" | sed 's/^/| /'
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| 189 | fi
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| 190 | rm test
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| 191 |
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| 192 | need_fnotreevrp=0
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| 193 | X=$(gmake FLAG_TEST=-fno-tree-vrp TOPDIR=$topdir 2>&1)
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| 194 | grep '^HOSTCFLAGS.*-fno-tree-vrp' ../prereq.mk >/dev/null 2>&1 || \
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| 195 | if [[ $X = *@(Native compiler works)* ]]; then
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| 196 | need_fnotreevrp=1
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| 197 | else
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| 198 | #echo "$X" | sed 's/^/| /'
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| 199 | :
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| 200 | fi
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| 201 | rm test*
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| 202 | if [[ $need_fnotreevrp = 1 ]]; then
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| 203 | cat >test.c <<-'EOF'
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| 204 | typedef unsigned size_t;
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| 205 | char *strncpy(char *, const char *, size_t);
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| 206 | char *
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| 207 | strncpy(char *d, const char *s, size_t n)
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| 208 | {
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| 209 | if (!d || !s) {
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| 210 | if (d)
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| 211 | *d = n;
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| 212 | return (d);
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| 213 | }
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| 214 | return (*d = 1, d);
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| 215 | }
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| 216 | int
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| 217 | main(void)
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| 218 | {
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| 219 | char a[] = "t";
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| 220 | strncpy(a, (void *)0, 2);
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| 221 | return (*a);
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| 222 | }
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| 223 | EOF
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| 224 | X=$(gmake test TOPDIR=$topdir 2>&1)
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| 225 | if [[ -x test ]]; then
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| 226 | ./test >/dev/null 2>&1
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| 227 | [[ $? = 2 ]] && need_fnotreevrp=0
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| 228 | fi
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| 229 | rm test*
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| 230 | fi
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| 231 | [[ $need_fnotreevrp = 1 ]] && \
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| 232 | printf '/^HOSTCFLAGS/s/$/ -fno-tree-vrp/\nwq\n' | ed -s ../prereq.mk
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| 233 |
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| 234 | if ! which flex >/dev/null 2>&1; then
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| 235 | echo You must install flex to continue.
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| 236 | echo
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| 237 | out=1
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| 238 | else
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| 239 | echo '%%' | flex -
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| 240 | if fgrep _POSIX_SOURCE lex.yy.c; then
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| 241 | echo Your lexer \(flex\) contains a broken skeleton.
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| 242 | if [[ $NO_ERROR = 1 ]]; then
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| 243 | echo WARNING: continue at your own risk.
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| 244 | echo Some packages may be broken.
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| 245 | else
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| 246 | echo You can continue the build by issuing \'make prereq-noerror\'
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| 247 | echo However, several packages may faild to build correctly.
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| 248 | out=1
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| 249 | fi
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| 250 | echo
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| 251 | fi
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| 252 | fi
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| 253 |
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| 254 | if ! which bison >/dev/null 2>&1; then
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| 255 | echo You must install GNU Bison to continue.
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| 256 | echo While you can install any version, it is '*STRONGLY*' suggested
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| 257 | echo to install GNU Bison version 2.3 because of its bug fixes.
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| 258 | echo
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| 259 | out=1
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| 260 | fi
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| 261 | X=$(bison --version 2>&1 | fgrep 'GNU Bison' | sed 's/^[^0-9]*//')
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| 262 | V=old
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| 263 | if [[ $X = +([0-9]).+([0-9]) ]]; then
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| 264 | let major=${X%.*}
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| 265 | let minor=${X#*.}
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| 266 | if (( (major > 2) || ((major == 2) && (minor >= 3)) )); then
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| 267 | V=new
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| 268 | fi
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| 269 | fi
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| 270 | if [[ $V = old ]]; then
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| 271 | echo It is suggested to upgrade your copy of bison to
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| 272 | echo GNU Bison 2.3 because of its bug fixes.
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| 273 | fi
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| 274 |
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| 275 | if ! which gzip >/dev/null 2>&1; then
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| 276 | echo You must install gzip to continue.
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| 277 | echo
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| 278 | out=1
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| 279 | fi
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| 280 |
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| 281 | if ! which bzip2 >/dev/null 2>&1; then
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| 282 | echo You must install bzip2 to continue.
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| 283 | echo
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| 284 | out=1
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| 285 | fi
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| 286 |
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| 287 | if ! which unzip >/dev/null 2>&1; then
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| 288 | echo You must install unzip to continue, sorry.
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| 289 | echo
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| 290 | out=1
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| 291 | fi
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| 292 |
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| 293 | if ! which patch >/dev/null 2>&1; then
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| 294 | echo You must install patch \(from Larry Wall\) to continue.
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| 295 | echo
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| 296 | out=1
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| 297 | fi
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| 298 |
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| 299 | cat >test.c <<-'EOF'
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| 300 | #include <stdio.h>
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| 301 | #include <zlib.h>
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| 302 |
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| 303 | #ifndef STDIN_FILENO
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| 304 | #define STDIN_FILENO 0
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| 305 | #endif
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| 306 |
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| 307 | int
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| 308 | main()
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| 309 | {
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| 310 | gzFile zstdin;
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| 311 | char buf[1024];
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| 312 | int i;
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| 313 |
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| 314 | zstdin = gzdopen(STDIN_FILENO, "rb");
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| 315 | i = gzread(zstdin, buf, sizeof (buf));
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| 316 | if ((i > 0) && (i < sizeof (buf)))
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| 317 | buf[i] = '\0';
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| 318 | buf[sizeof (buf) - 1] = '\0';
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| 319 | printf("%s\n", buf);
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| 320 | return (0);
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| 321 | }
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| 322 | EOF
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| 323 | X=$(echo 'Yay! Native compiler works.' | gzip | \
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| 324 | gmake TOPDIR=$topdir LDADD=-lz 2>&1)
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| 325 | if [[ $X != *@(Native compiler works)* ]]; then
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| 326 | echo "$X" | sed 's/^/| /'
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| 327 | echo Cannot compile a libz test programme.
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| 328 | echo You must install the zlib development package,
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| 329 | echo usually called libz-dev, and the run-time library.
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| 330 | echo
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| 331 | out=1
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| 332 | fi
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| 333 |
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| 334 | if [[ ! -s /usr/include/ncurses.h ]]; then
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| 335 | echo Install ncurses header files, please.
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| 336 | echo
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| 337 | out=1
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| 338 | fi
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| 339 |
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| 340 | if ! which g++ >/dev/null 2>&1; then
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| 341 | echo You must install the host GNU C++ compiler to continue.
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| 342 | echo
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| 343 | out=1
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| 344 | fi
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| 345 |
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| 346 | #if ! which perl >/dev/null 2>&1; then
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| 347 | if [[ "$(which perl 2>/dev/null)" != /usr/bin/perl ]]; then
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| 348 | echo You must install Perl in /usr/bin to continue.
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| 349 | echo
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| 350 | out=1
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| 351 | fi
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| 352 |
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| 353 | if ! which wget >/dev/null 2>&1; then
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| 354 | echo You must install GNU wget to continue.
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| 355 | echo
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| 356 | out=1
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| 357 | fi
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| 358 |
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| 359 | if ! which makeinfo >/dev/null 2>&1; then
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| 360 | echo You must install GNU texinfo to continue.
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| 361 | echo
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| 362 | out=1
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| 363 | fi
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| 364 |
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| 365 | if ! which ed >/dev/null 2>&1; then
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| 366 | echo Why does your distribution not package the standard
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| 367 | echo text editor, ed? Please install it to continue.
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| 368 | echo
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| 369 | out=1
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| 370 | elif [[ "$(PATH=/bin:$PATH which ed 2>/dev/null)" != /bin/ed ]]; then
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| 371 | echo Your operating system installs ed, the standard text
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| 372 | echo editor, not as /bin/ed. While you can build FreeWRT
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| 373 | echo with this, ask your vendor to fix it, point to the
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| 374 | echo FHS if needed.
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| 375 | echo
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| 376 | fi
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| 377 |
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| 378 |
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| 379 | cd $topdir
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| 380 | rm -rf lbin/tmp
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| 381 | exit $out
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