non/scripts/config-funcs

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#!/bin/sh
# Copyright (C) 2008 Jonathan Moore Liles #
# #
# This program is free software; you can redistribute it and/or modify it #
# under the terms of the GNU General Public License as published by the #
# Free Software Foundation; either version 2 of the License, or (at your #
# option) any later version. #
# #
# This program is distributed in the hope that it will be useful, but WITHOUT #
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or #
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for #
# more details. #
# #
# You should have received a copy of the GNU General Public License along #
# with This program; see the file COPYING. If not,write to the Free Software #
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. #
#
. scripts/colors
#####
## support functions for 'configure' scripts.
fatal ()
{
echo "$BOLD$RED$*$SGR0" > /dev/stderr
exit 255
}
UPDATE=no
HELP=no
split ()
{
while [ $# -gt 0 ]
do
echo $1
shift 1
done
}
if [ $# -gt 0 ]
then
case "$1" in
--update)
UPDATE=yes
shift 1
;;
--help)
HELP=yes
shift 1
;;
*)
# fatal "This is not an autoconf script. Run it without any options and you will be prompted."
;;
esac
if [ $# -gt 0 ]
then
echo "## options" > .config
split "$@" | sed '
s/--\(enable\|disable\)-\([^ =]\+\)/--\1-\U\2/g;
s/--enable-\([^ =]\+\)=\(.*\)/USE_\1=\2/g;
s/--enable-\([^ =]\+\)/USE_\1=yes/g;
s/--disable-\([^ =]\+\)/USE_\1=no/g;
s/--\([^ =]\+\)/\1/g;
' | sed -n '/^[^ =]\+=./p' >> .config
UPDATE=yes;
fi
fi
if [ $HELP != yes ] && [ $UPDATE != yes ]
then
if ! ( [ -t 0 ] && [ -t 1 ] )
then
fatal "not a terminal!"
fi
fi
ask ()
{
local A D O
D="`eval echo \\$$2`"
D=${D:-$3}
if [ $HELP = yes ]
then
if [ "$3" = yes ] || [ "$3" = no ]
then
O=`echo -n "$2" | sed s/^USE_/--enable-/ | tr '[[:upper:]]' '[[:lower:]]'`
else
O=`echo -n "--$2" | tr '[[:upper:]]' '[[:lower:]]'`
fi
printf " ${BOLD}${GREEN}%-15s${SGR0}\t%-40s (currently: ${BOLD}%s${SGR0})\n" "$O" "$1" "$D"
return
fi
echo -n "$BLACK$BOLD::$SGR0 ${1}? [$BOLD${D}$SGR0] "
if [ $UPDATE = yes ]
then
A="$D"
echo
else
read A
A=${A:-$D}
fi
if [ "$3" = yes ] || [ "$3" = no ]
then
case "$A" in
no | n | N) A=no ;;
yes | y | Y) A=yes ;;
* ) fatal "Invalid response. Must be 'yes' or 'no'" ;;
esac
fi
append "${2}=${A:-$D}"
eval "${2}='${A:-$D}'"
}
ok ()
{
echo '\r'`tput cuf 30`"$BOLD${GREEN}ok${SGR0} ${*:+${BOLD}${BLACK}($*)${SGR0}}"
}
failed ()
{
echo '\r'`tput cuf 30`"$BOLD${RED}failed!${SGR0}" > /dev/stderr
rm -f .config
}
missing ()
{
echo '\r'`tput cuf 30`"$BOLD${YELLOW}missing!${SGR0}" > /dev/stderr
}
using ()
{
[ "`eval echo \\$USE_$1`" = yes ]
return $?
}
upcase ()
{
echo "$*" | tr '[[:lower:]]' '[[:upper:]]'
}
extract_options ()
{
local line name value
if [ -f .config ]
then
{
while read line
do
[ "$line" = "## options" ] && break
done
while read line
do
if [ "$line" = "## libs" ]
then
break
else
name=${line%=*}
value=${line#*=}
eval "$name='$value'"
fi
done
} < .config
fi
}
begin ()
{
echo -n "Checking sanity..."
require_command tput tput > /dev/null
require_command pkg-config pkg-config > /dev/null
require_command fltk-config ../lib/fltk/fltk-config >/dev/null
require_command sed sed > /dev/null
ok
}
warn ()
{
echo " ${BOLD}${YELLOW}* ${SGR0}${BOLD}$*"
}
info ()
{
echo "${BOLD}${CYAN}--- ${SGR0}$*"
}
begin_options ()
{
# get the old values
extract_options
if [ $HELP = yes ]
then
echo
warn "This is a ${BOLD}non-configure${SGR0} script. Run without any arguments and you will be prompted"
warn "with configuration choices. Alternatively, you may use the following autoconf style"
warn "arguments for non-interactive configuration."
echo
echo " Available options:"
echo
else
echo > .config
append "# This file was automatically generated on `date`. Any changes may be lost!"
append "## options"
if [ $UPDATE = yes ]
then
info "Updating configuration"
else
info "Configuration required"
fi
fi
}
begin_tests ()
{
if [ $HELP = yes ]
then
echo
exit 0;
fi
append "## libs"
extract_options
}
append ()
{
echo "$1" >> .config
}
end ()
{
info "Configuration complete"
touch .config
}
require_command ()
{
echo -n "Checking for ${BOLD}$1${SGR0}..."
if ! [ -x "`which $2`" ]
then
failed
fatal "Command $1 not found."
else
ok
fi
}
require_package ()
{
local name
echo -n "Checking for $BOLD$1$SGR0..."
if ! pkg-config --exists $3
then
failed
fatal "Required package $1 doesn't appear to be installed."
elif ! pkg-config --atleast-version $2 $3
then
failed
fatal "The installed version of $1 (`pkg-config --mod-version $3`) is too old."
fi
name="`upcase \"$1\"`"
append "${name}_LIBS=`pkg-config --libs $3 | sed 's/,\\?--as-needed//g'`"
append "${name}_CFLAGS=-DHAVE_${1} `pkg-config --cflags $3`"
ok `pkg-config --modversion "$3"`
return 0
}
suggest_package ()
{
local name
echo -n "Checking for $BOLD$1$SGR0..."
if ! pkg-config --exists $3
then
missing
warn "Suggested package $1 doesn't appear to be installed. Some functionality may be missing from your build."
warn "Continuing without $1...\n"
return 1;
elif ! pkg-config --atleast-version $2 $3
then
missing
warn "The installed version of suggested package $1 (`pkg-config --mod-version $3`) is too old."
warn "Continuing without $1..."
return 1;
fi
name="`upcase \"$1\"`"
append "${name}_LIBS=`pkg-config --libs $3 | sed 's/,\\?--as-needed//g'`"
append "${name}_CFLAGS=-DHAVE_${1} `pkg-config --cflags $3`"
ok `pkg-config --modversion "$3"`
return 0
}
_test_version ()
{
if [ $# = 6 ]
then
[ $1 -gt $4 ] && return 0
[ $1 -eq $4 ] && [ $2 -gt $5 ] && return 0
[ $1 -eq $4 ] && [ $2 -eq $5 ] && [ $3 -gt $6 ] && return 0
[ $1 -eq $4 ] && [ $2 -eq $5 ] && [ $3 -eq $6 ] && return 0
return 1
elif [ $# = 4 ]
then
[ $1 -gt $3 ] && return 0
[ $1 -eq $3 ] && [ $2 -eq $4 ] && return 0
return 1
fi
}
# return true if #1 is greater than or equal to $2
test_version ()
{
local IFS
IFS='.'
_test_version $1 $2
}
version_of ()
{
echo `pkg-config --modversion $1`
}
hostname_resolvable ()
{
ping -c1 `hostname` >/dev/null 2>/dev/null
}
require_FLTK ()
{
local use
echo -n "Checking for ${BOLD}FLTK${SGR0}..."
FLTK_VERSION=`lib/fltk/fltk-config --version`
if ! test_version $FLTK_VERSION $1
then
failed
fatal "The installed FLTK version ($FLTK_VERSION) is too old."
else
ok $FLTK_VERSION
fi
use=
while [ $# -gt 1 ]
do
shift 1
use="$use --use-$1"
done
append "FLTK_LIBS=`lib/fltk/fltk-config $use --ldflags | sed 's/,\\?--as-needed//g'`"
append "FLTK_CFLAGS=`lib/fltk/fltk-config $use --cflags`"
}