configure

#!/bin/bash
# Copyright (c) 2011 Akamai Technologies, Inc.

RE="--([^=]+)=(.+)"
while test $# != 0
do
  case $1 in
  --prefix*|--bindir*|--sbindir*|--localstatedir*|--sysconfdir*|--libdir*|--libexecdir*|--sharedir*|--mandir*|--platform*)
    if [[ $1 =~ $RE ]]; then
      K=${BASH_REMATCH[1]}
      UK=$(echo "${BASH_REMATCH[1]}" | tr [:lower:] [:upper:])
      V=${BASH_REMATCH[2]}
      eval $K=$V
      eval $UK=$V
    else
      echo "Unable to parse argument:"
      echo
      echo "    $1"
      echo
      echo "use style --k=v instead."
      exit 1
    fi
    ;;
  esac
  shift
done

DESTDIR=${DESTDIR:-/}
PREFIX=${PREFIX:-/usr}
BINDIR=${BINDIR:-\${DESTDIR\}${PREFIX}/bin}
SBINDIR=${SBINDIR:-\${DESTDIR\}${PREFIX}/sbin}
LOCALSTATEDIR=${LOCALSTATEDIR:-\${DESTDIR\}/var}
SYSCONFDIR=${SYSCONFDIR:-\${DESTDIR\}/etc}
LIBDIR=${LIBDIR:-\${DESTDIR\}${PREFIX}/lib}
LIBEXECDIR=${LIBEXECDIR:-\${DESTDIR\}${PREFIX}/libexec}
SHAREDIR=${SHAREDIR:-\${DESTDIR\}${PREFIX}/share}
MANDIR=${MANDIR:-\${sharedir\}/man}
PLATFORM=${PLATFORM:-$(uname -s)}

cat > config.mk <<EOF
# This config.mk was automatically generated by the ./configure script of
# vscan. If the configure script identified anything incorrectly, then you can
# edit this file to try to correct things. However, be warned that ./configure
# will destroy your changes if it is run again, e.g. by "make".

DESTDIR ?= ${DESTDIR}
prefix ?= ${PREFIX}
bindir ?= ${BINDIR}
sbindir ?= ${SBINDIR}
localstatedir ?= ${LOCALSTATEDIR}
sysconfdir ?= ${SYSCONFDIR}
libdir ?= ${LIBDIR}
libexecdir ?= ${LIBEXECDIR}
sharedir ?= ${SHAREDIR}
mandir ?= ${MANDIR}

include config.${PLATFORM}.mk
EOF