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#!/usr/bin/env bash
# Check ncurses compatibility
# What library to link
ldflags()
{
for ext in so dylib; do
for dir in "" /usr/local/lib /opt/local/lib; do
$cc ${dir:+-L$dir} -print-file-name=libncursesw.$ext | grep -q /
if [ $? -eq 0 ]; then
echo $dir '-lncursesw'
exit
fi
$cc ${dir:+-L$dir} -print-file-name=libncurses.$ext | grep -q /
if [ $? -eq 0 ]; then
echo $dir '-lncurses'
exit
fi
$cc ${dir:+-L$dir} -print-file-name=libcurses.$ext | grep -q /
if [ $? -eq 0 ]; then
echo $dir '-lcurses'
exit
fi
done
done
exit 1
}
# Where is ncurses.h?
ccflags()
{
if [ -f /usr/include/ncurses/ncurses.h ]; then
echo '-I/usr/include/ncurses -DCURSES_LOC="<ncurses.h>"'
elif [ -f /usr/include/ncurses/curses.h ]; then
echo '-I/usr/include/ncurses -DCURSES_LOC="<ncurses/curses.h>"'
elif [ -f /opt/local/include/ncurses/ncurses.h ]; then
echo '-I/opt/local/include -I/opt/local/include/ncurses -DCURSES_LOC="<ncurses/ncurses.h>"'
elif [ -f /usr/include/ncurses.h ]; then
echo '-DCURSES_LOC="<ncurses.h>"'
else
echo '-DCURSES_LOC="<curses.h>"'
fi
}
# Temp file, try to clean up after us
tmp=.lxdialog.tmp
trap "rm -f $tmp" 0 1 2 3 15
# Check if we can link to ncurses
check() {
echo "main() {}" | $cc -xc - -o $tmp 2> /dev/null
if [ $? != 0 ]; then
echo " *** Unable to find the ncurses libraries." 1>&2
echo " *** make menuconfig require the ncurses libraries" 1>&2
echo " *** " 1>&2
echo " *** Install ncurses (ncurses-devel) and try again" 1>&2
echo " *** " 1>&2
exit 1
fi
}
usage() {
printf "Usage: $0 [-check compiler options|-header|-library]\n"
}
if [ $# -eq 0 ]; then
usage
exit 1
fi
cc=""
case "$1" in
"-check")
shift
cc="$@"
check
;;
"-ccflags")
ccflags
;;
"-ldflags")
shift
cc="$@"
ldflags
;;
"*")
usage
exit 1
;;
esac
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