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|
#!/bin/bash
#
# ./configure -- A very simple configure script for v86d.
#
# (c) 2006-2007, Michal Januszewski <spock@gentoo.org>
#
# In time, it will be replaced by a fully-fledged version.
#
copt_klibc=CONFIG_KLIBC
copt_klibc_desc="Link statically against klibc"
copt_klibc_type="bool"
copt_klibc_def=n
copt_debug=CONFIG_DEBUG
copt_debug_desc="Use additional debugging features"
copt_debug_type="bool"
copt_debug_def=n
options=`set | grep '^copt_' | sed -re 's/copt_([^_=]+)[_=].*/\1/' | uniq`
write_conf()
{
echo -n > config.h
for i in ${options} ; do
eval vval=\$copt_$i\_val
eval vtype=\$copt_$i\_type
eval vname=\$copt_$i
if [[ "$vtype" == "bool" ]]; then
if [[ "$vval" == "y" ]]; then
echo "#define $vname" >> config.h
else
echo "#undef $vname" >> config.h
fi
else
echo "#define $vname \"$vval\"" >> config.h
fi
done
echo "config.h successfully created."
echo "You can run \`make\` now."
}
usage()
{
cat <<EOTB
v86d configuration script
Please use the following options to configure v86d.
EOTB
printf " %-20s %-s\n\n" --default "Use a default v86d configuration"
for i in ${options} ; do
eval vtype=\$copt_$i\_type
eval vdesc=\$copt_$i\_desc
eval vdef=\$copt_$i\_def
if [[ ${vtype} == "string" ]]; then
with="--with-${i}=VAL"
else
with="--with-${i}"
fi
vdesc="${vdesc} (default: $vdef)"
printf " %-20s %-s\n" ${with} "${vdesc}"
done
}
if [[ $# == 0 ]]; then
usage
exit
fi
for i in ${options} ; do
eval copt_${i}_val="\$copt_${i}_def"
if [ -n "$(set | grep copt_${i}_test)" ]; then
eval copt_${i}_val="\$(copt_${i}_test)"
fi
done
for i in $* ; do
if [[ "$i" == "--help" ]]; then
usage
exit
elif [[ "$i" == "--default" ]]; then
write_conf
exit
fi
j=${i//--with-}
if [[ "$j" != "$i" ]]; then
with=y
else
j=${i//--without-}
if [[ "$j" != "$i" ]]; then
with=n
else
usage
exit
fi
fi
optval=${j#*=}
optname=${j%=*}
eval t=\$copt_${optname}_val
if [[ "x$t" == "x" ]]; then
echo "Unrecognized setting ${optname}." 1>&2
exit
fi
eval vtype=\$copt_${optname}_type
if [[ "$vtype" == "bool" ]]; then
eval copt_${optname}_val=${with}
else
eval copt_${optname}_val=${optval}
fi
done
write_conf
exit
|
