#!/bin/bash
#
# HTS configure script
#
# Copyright (c) 2005-2009 Andreas Öman
#
# Based on FFmpeg's configure script:
#
# Copyright (c) 2000-2002 Fabrice Bellard
# Copyright (c) 2005-2008 Diego Biurrun
# Copyright (c) 2005-2008 Mans Rullgard
#

PLATFORM=linux
source support/configure.inc

CPU=generic
ARCH=`uname -m`
OSENV="posix"
prefix=/usr/local
bindir="\${prefix}/bin"
mandir="\${prefix}/share/man"
datadir="\${prefix}/share/tvheadend"

show_help(){
  echo "Usage: configure [options]"
  echo "Options: [defaults in brackets after descriptions]"
  echo
  echo "Standard options:"
  echo "  --help                   print this message"
  echo "  --prefix=PREFIX          Install in PREFIX [$prefix]"
  echo "  --bindir=DIR             Install binaries in DIR [$bindir]"
  echo "  --mandir=DIR             Install man pages in DIR [$mandir]"
  echo "  --datadir=DIR            Install data files in DIR [$datadir]"
  echo
  echo "  --arch=arch              Build for this architecture [$ARCH]"
  echo "  --cpu=cpu                Build and optimize for specific CPU"
  echo "  --cc=CC                  Build using the given compiler"
  echo "  --release                Stage for release"
  exit 1
}

enable cwc
enable avahi
enable linuxdvb
enable v4l

for opt do
  optval="${opt#*=}"
  case "$opt" in
  --cpu=*) CPU="$optval"
  ;;
  --help) show_help
  ;;
  --release) 
	  RELEASE=yes
  ;;
  --cc=*) CC="$optval"
  ;;
  --prefix=*)
  prefix="$optval"
  ;;
  --bindir=*)
  bindir="$optval"
  ;;
  --mandir=*)
  mandir="$optval"
  ;;
  --datadir=*)
  datadir="$optval"
  ;;
  --includedir=*)
  ;;
  --infodir=*)
  ;;
  --sysconfdir=*)
  ;;
  --localstatedir=*)
  ;;
  --libexecdir=*)
  ;;
  --disable-maintainer-mode)
  ;;
  --disable-dependency-tracking)
  ;;

  --enable-?*|--disable-?*)
  eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
  $action $option
  ;;
  esac
done


setup_env


#
# c compiler
#

checkcc() {
    cat >$TMPDIR/1.c <<EOF
int main() {
 return 0;
}
EOF
    $CC 2>/dev/null $TMPDIR/1.c -o $TMPDIR/1.bin 
}


checkccarg() {
    cat >$TMPDIR/1.c <<EOF
int main() {
 return 0;
}
EOF
    $CC 2>/dev/null $TMPDIR/1.c -o $TMPDIR/1.bin $1
}
    

if [ "x$CC" != "x" ]; then
    echo >${CONFIG_MAK} "CC=$CC"
else
    CC=cc
fi

if checkcc; then 
    echo "Using C compiler:      $CC"
else
    echo "C compiler ($CC) is not working"
    die
fi


if checkccarg "-mmmx"; then
   enable mmx
fi

if checkccarg "-msse2"; then
   enable sse2
fi

check_header_c() {
    cat >$TMPDIR/1.c <<EOF
#include <$1>
int main() {
 return 0;
}
EOF
    $CC 2>/dev/null $TMPDIR/1.c -o $TMPDIR/1.bin
}

check_header_c "execinfo.h" && enable execinfo


echo >>${CONFIG_MAK} $CC_CONFIG_MAK 

#
# AVAHI
#
if enabled avahi; then
    if pkg-config avahi-client; then
	# CFLAGS are included by Makefile
	echo >>${CONFIG_MAK} "LDFLAGS_cfg += " `pkg-config --libs avahi-client`
	echo >>${CONFIG_MAK} "CFLAGS_cfg += "`pkg-config --cflags avahi-client`
	echo "Using AVAHI client:    `pkg-config --modversion avahi-client`"
    else
	echo "avahi-client not found. Unable to build with AVAHI support."
	echo "To compile without it, configure with: --disable-avahi"
	die
    fi
fi

if pkg-config openssl; then
    echo >>${CONFIG_MAK} "LDFLAGS_cfg += " `pkg-config --libs openssl`
    echo >>${CONFIG_MAK} "CFLAGS_cfg += " `pkg-config --cflags openssl`
    echo "Using openssl:         `pkg-config --modversion openssl`"
elif pkg-config libssl; then
    echo >>${CONFIG_MAK} "LDFLAGS_cfg += " `pkg-config --libs libssl`
    echo >>${CONFIG_MAK} "CFLAGS_cfg += " `pkg-config --cflags libssl`
    echo "Using libssl:          `pkg-config --modversion libssl`"
else
    echo "libssl or openssl not found"
    die
fi

#
# Finalize
#
cat >> ${CONFIG_MAK} << EOF 
ARCH=$ARCH
LDFLAGS_cfg += -lpthread
EOF


#
# Finalize
#
echo
echo "Installation paths:"
echo "  Prefix:        ${prefix}"
echo "  Binaries:      ${bindir}"
echo "  Man pages:     ${mandir}"
echo "  Data files:    ${datadir}"
echo
echo >>${CONFIG_MAK} "prefix=$prefix"
echo >>${CONFIG_MAK} "bindir=\${DESTDIR}$bindir"
echo >>${CONFIG_MAK} "mandir=\${DESTDIR}$mandir"
echo >>${CONFIG_MAK} "datadir=\${DESTDIR}$datadir"
echo >>${CONFIG_MAK} LDFLAGS_cfg += -lpthread -lrt -ldl
eval datadirpath=${datadir}
echo >>${CONFIG_H} "#define TVHEADEND_DATADIR \"${datadirpath}\""


finalize