configure

#!/bin/sh
#
# libnfo configure script - (c) 2009 Benjamin Zores
#
#  Fully inspired from :
# libvalhalla configure script - (c) 2009 Mathieu Schroeter
#     libdlna configure script - (c) 2007-2008 Benjamin Zores
#   libplayer configure script - (c) 2006 Benjamin Zores
#      FFmpeg configure script, thanks to Fabrice Bellard
#

# make sure we are running under a compatible shell
unset foo
(: ${foo%%bar}) 2>/dev/null && ! (: ${foo?}) 2>/dev/null
if test "$?" != 0; then
  if test "x$NFO_CONFIGURE_EXEC" = x; then
    NFO_CONFIGURE_EXEC=1
    export NFO_CONFIGURE_EXEC
    exec bash "$0" "$@"
    exec ksh "$0" "$@"
    exec /usr/xpg4/bin/sh "$0" "$@"
  fi
  echo "No compatible shell script interpreter found."
  exit 1
fi

show_help(){
  echo "Usage: configure [options]"
  echo "Options: [defaults in brackets after descriptions]"
  echo
  echo "Standard options:"
  echo "  --help                      print this message"
  echo "  --log[=FILE|yes|no]         log tests and output to FILE [config.log]"
  echo "  --prefix=PREFIX             install in PREFIX [$PREFIX]"
  echo "  --bindir=DIR                install bins in DIR [PREFIX/bin]"
  echo "  --libdir=DIR                install libs in DIR [PREFIX/lib]"
  echo "  --includedir=DIR            install includes in DIR [PREFIX/include]"
  echo "  --docdir=DIR                install docs in DIR [PREFIX/share/doc]"
  echo "  --mandir=DIR                man documentation DIR [PREFIX/share/man]"
  echo "  --enable-static             build static libraries [default=yes]"
  echo "  --disable-static            do not build static libraries [default=no]"
  echo "  --enable-shared             build shared libraries [default=yes]"
  echo "  --disable-shared            do not build shared libraries [default=no]"
  echo ""
  echo "Search paths:"
  echo "  --with-xml2-dir=DIR         check for libxml2 installed in DIR"
  echo "  --with-expat-dir=DIR        check for libexpat installed in DIR"
  echo ""
  echo "Advanced options (experts only):"
  echo "  --arch=ARCH                 force architecture"
  echo "  --cpu=CPU                   force CPU optimization"
  echo "  --disable-debug             disable debugging symbols"
  echo "  --enable-debug=LEVEL        set the debug level [$debuglevel]"
  echo "  --disable-strip             disable stripping of executables at installation"
  echo "  --disable-optimize          disable compiler optimization"
  echo "  --enable-small              optimize for size instead of speed"
  echo "  --cross-prefix=PREFIX       use PREFIX for compilation tools [$cross_prefix]"
  echo "  --cross-compile             assume a cross-compiler is used"
  echo "  --enable-pic                build position-independent code"
  echo "  --xml-lib=LIB               where LIB is auto|expat|libxml2"
  echo ""
  echo "Miscellaneous:"
  echo "  --disable-logcolor          disable colorful console output on terminals"
  echo "  --enable-doc                build Doxygen documentation"
  exit 1
}

log(){
  echo "$@" >>$logfile
}

log_file(){
  log BEGIN $1
  cat -n $1 >>$logfile
  log END $1
}

echolog(){
  log "$@"
  echo "$@"
}

clean(){
  rm -f $TMPC $TMPO $TMPE $TMPS
}

die(){
  echolog "$@"
  if enabled logging; then
    echo "See file \"$logfile\" produced by configure for more details."
  else
    echo "Rerun configure with logging enabled (do not use --log=no) for more details."
  fi
  clean
  exit 1
}

set_all(){
  value=$1
  shift
  for var in $*; do
    eval $var=$value
  done
}

enable(){
  set_all yes $*
}

enabled(){
  eval test "x\$$1" = "xyes"
}

flags_saved(){
  (: ${SAVE_CFLAGS?}) 2>/dev/null
}

save_flags(){
  flags_saved && return
  SAVE_CFLAGS="$CFLAGS"
  SAVE_CPPFLAGS="$CPPFLAGS"
  SAVE_HOST_CFLAGS="$HOST_CFLAGS"
  SAVE_LDFLAGS="$LDFLAGS"
  SAVE_extralibs="$extralibs"
}

restore_flags(){
  CFLAGS="$SAVE_CFLAGS"
  CPPFLAGS="$SAVE_CPPFLAGS"
  HOST_CFLAGS="$SAVE_HOST_CFLAGS"
  LDFLAGS="$SAVE_LDFLAGS"
  extralibs="$SAVE_extralibs"
  unset SAVE_CFLAGS
  unset SAVE_CPPFLAGS
  unset SAVE_HOST_CFLAGS
  unset SAVE_LDFLAGS
  unset SAVE_extralibs
}

temp_cflags(){
  temp_append CFLAGS "$@"
}

temp_CPPFLAGS(){
  temp_append CPPFLAGS "$@"
}

temp_host_cflags(){
  temp_append HOST_CFLAGS "$@"
}

temp_ldflags(){
  temp_append LDFLAGS "$@"
}

temp_extralibs(){
  temp_append extralibs "$@"
}

temp_append(){
  local var
  var=$1
  shift
  save_flags
  append_var "$var" "$@"
}

append_var(){
  local var f
  var=$1
  shift
  for f in $@; do
    if eval echo \$$var | grep -qv -e "$f"; then
      test -n "$(eval echo \$$var)" && eval "$var=\"\$$var $f\"" || eval "$var=\"$f\""
    fi
  done
}

append(){
  local var
  var=$1
  shift
  flags_saved && append_var "SAVE_$var" "$@"
  append_var "$var" "$@"
}

add_cflags(){
  append CFLAGS "$@"
}

add_cppflags(){
  append CPPFLAGS "$@"
}

add_ldflags(){
  append LDFLAGS "$@"
}

add_extralibs(){
  append extralibs "$@"
}

add_pkgconfig_requires(){
  append pkgconfig_requires "$@"
}

add_pkgconfig_libs(){
  append pkgconfig_libs "$@"
}

check_cmd(){
  log "$@"
  $@ >>$logfile 2>&1
}

check_cc(){
  log check_cc "$@"
  cat >$TMPC
  log_file $TMPC
  check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
}

check_host_cc(){
  log check_host_cc "$@"
  cat >$TMPC
  log_file $TMPC
  check_cmd $host_cc $HOST_CFLAGS "$@" -c -o $TMPO $TMPC
}

check_cpp(){
  log check_cpp "$@"
  cat >$TMPC
  log_file $TMPC
  check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
}

check_ld(){
  log check_ld "$@"
  check_cc || return
  check_cmd $cc "$@" -o $TMPE $TMPO $extralibs $LDFLAGS
}

check_host_ld(){
  log check_host_ld "$@"
  check_host_cc || return
  check_cmd $host_cc $HOST_LDFLAGS "$@" -o $TMPE $TMPO
}

check_exec(){
  check_ld "$@" && { enabled cross_compile || $TMPE >>$logfile 2>&1; }
}

check_cppflags(){
  log check_cppflags "$@"
  check_cc "$@" <<EOF && append CPPFLAGS "$@"
int x;
EOF
}

check_cflags(){
  log check_cflags "$@"
  check_cc "$@" <<EOF && add_cflags "$@"
int x;
EOF
}

check_ldflags(){
  log check_ldflags "$@"
  check_ld "$@" <<EOF && add_ldflags "$@"
int main(){
  return 0;
}
EOF
}

check_header(){
  local header
  log check_header "$@"
  header=$1
  shift
  check_cpp "$@" <<EOF
#include <$header>
int x;
EOF
}

check_func(){
  local func
  log check_func "$@"
  func=$1
  shift
  check_ld "$@" <<EOF
extern int $func();
int main(){
  $func();
  return 0;
}
EOF
}

check_lib(){
  local header func err
  log check_lib "$@"
  header="$1"
  func="$2"
  shift 2
  temp_extralibs "$@"
  check_header $header && check_func $func && add_extralibs "$@"
  err=$?
  restore_flags
  return $err
}

check_libconfig(){
  local config func ccflags clibs err
  log check_libconfig "$@"
  config="$1"
  func="$2"
  ccflags="${3:---cflags}"
  clibs="${4:---libs}"
  err=1
  if `which "$config" 1>/dev/null 2>&1`; then
    cflags=`$config $ccflags`
    [ -n "$cflags" ] && check_cflags $cflags
    libs=`$config $clibs`
    if [ -n "$libs" ]; then
      temp_extralibs "$libs"
      check_func $func && add_extralibs "$libs"
      err=$?
      restore_flags
    fi
  fi
  return $err
}

check_pkgconfig(){
  local pkg func ccflags clibs err
  log check_pkgconfig "$@"
  pkg="$1"
  func="$2"
  ccflags="${3:---cflags}"
  clibs="${4:---libs}"
  err=1
  if `which pkg-config 1>/dev/null 2>&1`; then
    cflags=`pkg-config $pkg $ccflags`
    [ -n "$cflags" ] && check_cflags $cflags
    libs=`pkg-config $pkg $clibs`
    if [ -n "$libs" ]; then
      temp_extralibs "$libs"
      check_func $func
      err=$?
      restore_flags
    fi
  fi
  return $err
}

check_lib_pkgcfg(){
  local pkg header func err
  log check_lib_pkgcfg "$@"
  pkg="$1"
  header="$2"
  func="$3"
  shift 3
  err=1
  check_pkgconfig $pkg $func && add_pkgconfig_requires $pkg && err=0
  [ "$err" != 0 ] && check_lib $header $func "$@" && add_pkgconfig_libs "$@" && err=0
  return $err
}

check_lib_version() {
  check_cmd pkg-config "$1" --atleast-version="$2"
  err=$?
  return $err
}

append_config(){
  echo "$@" >> $CONFIGFILE
}

pkgconfig_generate(){
  name=$1
  shortname=${name#lib}
  comment=$2
  version=$3
  libs=$4
  requires=$5
  cflags=$6

  cat <<EOF >$name.pc
PREFIX=$PREFIX
libdir=$libdir
includedir=$includedir

Name: $name
Description: $comment
Version: $version
Requires: $(enabled shared || echo $requires)
Requires.private: $(enabled shared && echo $requires)
Conflicts:
Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
Libs.private: $(enabled shared && echo $libs)
Cflags: -I\${includedir} $cflags
EOF
}

add_pkgconfig_deps() {
  if `which pkg-config 1>/dev/null 2>&1`; then
    add_cflags `pkg-config "$1" --cflags`
    add_extralibs `pkg-config "$1" --libs`
  fi
}

# set temporary file name
if test ! -z "$TMPDIR" ; then
  TMPDIR1="${TMPDIR}"
elif test ! -z "$TEMPDIR" ; then
  TMPDIR1="${TEMPDIR}"
else
  TMPDIR1="/tmp"
fi

TMPC="${TMPDIR1}/libnfo-${RANDOM}-$$-${RANDOM}.c"
TMPO="${TMPDIR1}/libnfo-${RANDOM}-$$-${RANDOM}.o"
TMPE="${TMPDIR1}/libnfo-${RANDOM}-$$-${RANDOM}"
TMPS="${TMPDIR1}/libnfo-${RANDOM}-$$-${RANDOM}.S"

CONFIGFILE="config.mak"

#################################################
#   set default parameters
#################################################
logging="yes"
logfile="config.log"
PREFIX="/usr/local"
bindir='${PREFIX}/bin'
libdir='${PREFIX}/lib'
includedir='${PREFIX}/include'
docdir='${PREFIX}/share/doc'
mandir='${PREFIX}/share/man'
static="yes"
shared="yes"
cc="gcc"
host_cc="gcc"
ar="ar"
ranlib="ranlib"
make="make"
strip="strip"
arch=`uname -m`
cpu="generic"
optimize="yes"
small="no"
debug="yes"
dostrip="yes"
extralibs=""
installstrip="-s"
cross_compile="no"
pic="no"
xml="auto"
INSTALL="install"
VERSION=""
pkgconfig_requires=""
pkgconfig_libs=""
logcolor="yes"
doc="no"

#################################################
#   check options
#################################################
for opt do
  optval="${opt#*=}"
  case "$opt" in
  --log)
  ;;
  --log=*) logging="$optval"
  ;;
  --prefix=*) PREFIX="$optval"; force_prefix=yes
  ;;
  --bindir=*) bindir="$optval"
  ;;
  --libdir=*) libdir="$optval"; force_libdir=yes
  ;;
  --includedir=*) includedir="$optval"
  ;;
  --docdir=*) docdir="$optval"; force_docdir=yes
  ;;
  --mandir=*) mandir="$optval"
  ;;
  --enable-static) static="yes"
  ;;
  --disable-static) static="no"
  ;;
  --enable-shared) shared="yes"
  ;;
  --disable-shared) shared="no"
  ;;
  --enable-debug=*) debug="yes"; debuglevel="$optval"
  ;;
  --enable-debug) debug="yes"
  ;;
  --disable-debug) debug="no"
  ;;
  --disable-strip) dostrip="no"
  ;;
  --enable-optimize) optimize="yes"
  ;;
  --disable-optimize) optimize="no"
  ;;
  --enable-small) small="yes"
  ;;
  --disable-small) small="no"
  ;;
  --cross-prefix=*) cross_prefix="$optval"
  ;;
  --cross-compile) cross_compile="yes"
  ;;
  --with-xml2-dir=*) xml2dir="$optval";
  ;;
  --with-expat-dir=*) expatdir="$optval";
  ;;
  --enable-pic) pic="yes";
  ;;
  --disable-pic) pic="no";
  ;;
  --xml-lib=*) xml="$optval";
  ;;
  --enable-logcolor) logcolor="yes";
  ;;
  --disable-logcolor) logcolor="no";
  ;;
  --enable-doc) doc="yes";
  ;;
  --disable-doc) doc="no";
  ;;
  --help) show_help
  ;;
  *)
  echo "Unknown option \"$opt\"."
  echo "See $0 --help for available options."
  exit 1
  ;;
  esac
done

# Check for conflictual build options
if [ "$shared" = no -a "$static" = no ]; then
  echo "At least one library type must be built."
  echo "Specify --enable-static to build the static libraries or"
  echo "--enable-shared to build the shared libraries as well."
  exit 1
fi

if [ -n "$cross_prefix" ]; then
  cross_compile="yes"
  cc="${cross_prefix}${cc}"
  ar="${cross_prefix}${ar}"
  ranlib="${cross_prefix}${ranlib}"
  strip="${cross_prefix}${strip}"
else
  [ -n "$CC" ] && cc="$CC"
  [ -n "$AR" ] && ar="$AR"
  [ -n "$RANLIB" ] && ranlib="$RANLIB"
  [ -n "$STRIP" ] && strip="$STRIP"
fi
[ -n "$MAKE" ] && make="$MAKE"

[ -n "$HOST_CC" ] && HOST_CC="$HOST_CC"
[ -n "$HOST_CFLAGS" ] && HOST_CFLAGS="$HOST_CFLAGS"
[ -n "$HOST_LDFLAGS" ] && HOST_LDFLAGS="$HOST_LDFLAGS"

#################################################
#   set arch variable and specific cpu flags
#################################################
if enabled cross_compile; then
  arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"
fi

case "$arch" in
  i386|i486|i586|i686|i86pc|BePC)
    arch="x86_32"
  ;;
  x86_64|amd64)
    arch="x86_32"
    canon_arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"
    if [ x"$canon_arch" = x"x86_64" -o x"$canon_arch" = x"amd64" ]; then
      if [ -z "`echo $CFLAGS | grep -- -m32`"  ]; then
        arch="x86_64"
      fi
    fi
    spic=$shared
  ;;
# armv4l is a subset of armv5tel
  arm|armv4l|armv5tel)
    arch="armv4l"
  ;;
  alpha)
    arch="alpha"
    spic=$shared
  ;;
  "Power Macintosh"|ppc|ppc64|powerpc)
    arch="powerpc"
  ;;
  mips|mipsel|IP*)
    arch="mips"
    spic=$shared
  ;;
  mips64)
    arch="mips64"
    spic=$shared
  ;;
  sun4u|sparc64)
    arch="sparc64"
    spic=$shared
  ;;
  sparc)
    arch="sparc"
    spic=$shared
  ;;
  sh4)
    arch="sh4"
  ;;
  parisc|parisc64)
    arch="parisc"
    spic=$shared
  ;;
  s390|s390x)
    arch="s390"
  ;;
  m68k)
    arch="m68k"
  ;;
  ia64)
    arch="ia64"
    spic=$shared
  ;;
  bfin)
    arch="bfin"
  ;;
  *)
    arch="unknown"
  ;;
esac

# Add processor-specific flags
if test $cpu != "generic"; then
  case $cpu in
    601|ppc601|PowerPC601)
      add_cflags "-mcpu=601"
    ;;
    603*|ppc603*|PowerPC603*)
      add_cflags "-mcpu=603"
    ;;
    604*|ppc604*|PowerPC604*)
      add_cflags "-mcpu=604"
    ;;
    G3|g3|75*|ppc75*|PowerPC75*)
      add_cflags "-mcpu=750 -mpowerpc-gfxopt"
    ;;
    G4|g4|745*|ppc745*|PowerPC745*)
      add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
    ;;
    74*|ppc74*|PowerPC74*)
      add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
    ;;
    G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
      add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
    ;;
    Cell|CELL|cell)
      add_cflags "-mcpu=cell"
    ;;
    i[3456]86|pentium|pentium-mmx|pentiumpro|pentium[23]|pentium-m|k6|k6-[23]|winchip-c6|winchip2|c3|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|pentium4|pentium4m|prescott|nocona)
      add_cflags "-march=$cpu"
    ;;
    sparc64)
      add_cflags "-mcpu=v9"
    ;;
    arm*|cortex*)
      add_cflags "-mcpu=$cpu"
    ;;
    *)
      die "WARNING: Unknown CPU \"$cpu\", ignored."
    ;;
  esac
fi

enable_pic(){
  enable pic
  add_cppflags -DPIC
  add_cflags   -fPIC
}

enabled spic && enable pic
enabled pic && enable_pic

#################################################
#   create logging file
#################################################
if test "$logging" != no; then
  enabled logging || logfile="$logging"
  echo "# $0 $@" >$logfile
  set >>$logfile
else
  logfile=/dev/null
fi

#################################################
#   compiler sanity check
#################################################
echolog "Checking for compiler available..."
check_exec <<EOF
int main(){
  return 0;
}
EOF
if test "$?" != 0; then
  echo "$cc is unable to create an executable file."
  if test -z "$cross_prefix" -a "$cross_compile" = no; then
    echo "If $cc is a cross-compiler, use the --cross-compile option."
  fi
  die "C compiler test failed."
fi

if test -n "`$cc -v 2>&1 | grep version | grep Apple`"; then
  dylib="yes"
else
  dylib="no"
fi

mingw32="no"
if test -n "`$cc -v 2>&1 | grep version | grep mingw`" \
     -o -n "`$cc -v 2>&1 | grep Target  | grep mingw`"; then
  mingw32="yes"
fi

#################################################
#   check for target specific flags
#################################################
# check for SIMD availability

# mmi only available on mips
if [ "$mmi" = "default" ]; then
  if [ "$arch" = "mips" ]; then
    mmi="yes"
  else
    mmi="no"
  fi
fi

# check if our compiler supports mmi
enabled mmi && check_cc <<EOF || mmi="no"
int main(void) {
  __asm__ ("lq \$2, 0(\$2)");
  return 0;
}
EOF

# test gcc version to see if vector builtins can be used
# currently only used on i386 for MMX builtins
check_cc -msse <<EOF && builtin_vector=yes || builtin_vector=no
#include <xmmintrin.h>
int main(void) {
#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 2)
return 0;
#else
#error no vector builtins
#endif
}
EOF

# test for mm3dnow.h
test "$arch" = "x86_64" && march=k8 || march=athlon
check_cc -march=$march <<EOF && mm3dnow=yes || mm3dnow=no
#include <mm3dnow.h>
int main(void) {
__m64 b1;
b1 = _m_pswapd(b1);
_m_femms();
return 0;
}
EOF

# ---
# big/little-endian test
check_cc <<EOF || die "endian test failed"
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
EOF
od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian

# Non-POSIX OS Dependancies
check_ld <<EOF && need_strndup=no || need_strndup=yes
#include <string.h>
int main(void) {
(void *)strndup("test",1);
return 0;
}
EOF
enabled need_strndup && add_cppflags -DNEED_OSDEP_STRNDUP

# add some useful compiler flags if supported
check_cflags -W
check_cflags -Wall
check_cppflags -D_LARGEFILE_SOURCE
check_cppflags -D_FILE_OFFSET_BITS=64
check_cppflags -D_REENTRANT

# default extralibs

#################################################
#   check for debug symbols
#################################################
enabled debug && add_cflags -g"$debuglevel" && add_cppflags -DHAVE_DEBUG

if enabled small; then
  check_cflags -Os
elif enabled optimize; then
  if test -n "`$cc -v 2>&1 | grep xlc`"; then
    add_cflags  "-O5"
    add_ldflags "-O5"
  else
    add_cflags "-O2"
  fi
fi

#################################################
#   check for XML library
#################################################
if [ "$xml" != auto -a "$xml" != expat -a "$xml" != libxml2 ]; then
  die "Invalid XML implementation"
fi
[ "$xml" = auto ] && xml=libxml2

#################################################
#   check for libxml2
#################################################
if [ "$xml" = libxml2 ]; then
  if [ -n "$xml2dir" ]; then
    check_cppflags -I$xml2dir
    check_ldflags -L$xml2dir
  fi

  echolog "Checking for libxml2 ..."
  check_lib_pkgcfg libxml-2.0 libxml/xmlexports.h xmlReadMemory -lxml2 || die "Error, can't find libxml2 !"
  add_cppflags -DXML_PARSER_LIBXML
fi

#################################################
#   check for libexpat
#################################################
if [ "$xml" = expat ]; then
  if [ -n "$expatdir" ]; then
    check_cppflags -I$expatdir
    check_ldflags -L$expatdir
  fi

  echolog "Checking for libexpat ..."
  check_lib expat.h XML_ExpatVersion -lexpat || die "Error, can't find libexpat !"
  add_cppflags -DXML_PARSER_EXPAT
fi

#################################################
#   version
#################################################
get_version(){
  local name file version
  name=$1
  file=src/$2
  eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
  eval version=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
  echo $version
}

VERSION=`get_version LIBNFO nfo.h`


#################################################
#   Miscellaneous
#################################################
if enabled logcolor; then
  add_cppflags -DUSE_LOGCOLOR
fi

# Doxygen
if enabled doc; then
  doc="no"
  which doxygen 2>&1 > /dev/null
  [ "$?" = 0 ] && doc="yes"
fi

# Add all extralibs provided by the pkgconfig files
[ -n "$pkgconfig_requires" ] && add_extralibs `pkg-config $pkgconfig_requires --libs`


#################################################
#   logging result
#################################################
echolog ""
echolog "libnfo: configure is OK"
echolog "  version            $VERSION"
echolog "configuration:"
echolog "  install prefix     $PREFIX"
echolog "  C compiler         $cc"
echolog "  AR                 $ar"
echolog "  RANLIB             $ranlib"
echolog "  STRIP              $strip"
echolog "  make               $make"
echolog "  Architecture       $arch ($cpu)"
echolog "  big-endian         ${bigendian-no}"
echolog "  debug symbols      $debug"
echolog "  strip symbols      $dostrip"
echolog "  optimize           $optimize"
echolog "  static             ${static}"
echolog "  shared             ${shared}"
echolog ""
echolog "  CFLAGS             $CFLAGS $CPPFLAGS"
echolog "  LDFLAGS            $LDFLAGS"
echolog "  extralibs          $extralibs"
echolog ""
echolog "Miscellaneous:"
echolog "  XML Parser:        $xml"
echolog "  Documentation:     $doc"
echolog ""

#################################################
#   save configs attributes
#################################################
echolog "Creating config.mak ..."

echo "# Automatically generated by configure - do not modify!" > $CONFIGFILE

append_config "PREFIX=$PREFIX"
append_config "prefix=\$(DESTDIR)\$(PREFIX)"
append_config "bindir=\$(DESTDIR)$bindir"
append_config "libdir=\$(DESTDIR)$libdir"
append_config "includedir=\$(DESTDIR)$includedir"
append_config "docdir=\$(DESTDIR)$docdir"
append_config "mandir=\$(DESTDIR)$mandir"

append_config "MAKE=$make"
append_config "CC=$cc"
append_config "AR=$ar"
append_config "RANLIB=$ranlib"
append_config "LN=ln"

if [ "$xml" = libxml2 ]; then
  append_config "XML_USES_LIBXML=yes"
  append_config "XML_USES_EXPAT=no"
elif [ "$xml" = expat ]; then
  append_config "XML_USES_LIBXML=no"
  append_config "XML_USES_EXPAT=yes"
fi

append_config "BUILD_STATIC=$static"
append_config "BUILD_SHARED=$shared"
append_config "BUILD_DYLIB=$dylib"
append_config "BUILD_MINGW32=$mingw32"

append_config "VERSION=$VERSION"

if enabled dostrip; then
  append_config "STRIP=$strip"
  append_config "INSTALLSTRIP=$installstrip"
else
  append_config "STRIP=echo ignoring strip"
  append_config "INSTALLSTRIP="
fi
append_config "EXTRALIBS=$extralibs"

append_config "CFG_CPPFLAGS=$CPPFLAGS"
append_config "OPTFLAGS=$CFLAGS"
append_config "CFG_LDFLAGS=$LDFLAGS"
append_config "INSTALL=$INSTALL"

if enabled bigendian; then
  append_config "WORDS_BIGENDIAN=yes"
fi

append_config "DEBUG=$debug"
append_config "DOC=$doc"

#################################################
#   make pkg-config files
#################################################
echolog "Creating libnfo.pc ..."

pkgconfig_generate libnfo \
                   "A .NFO file reader/writer" \
                   "$VERSION" \
                   "$pkgconfig_libs" \
                   "$pkgconfig_requires" \
                   ""

clean
exit 0