AC_DEFUN([LIBBURNIA_SET_FLAGS],
[
case $target_os in
freebsd*)
        LDFLAGS="$LDFLAGS -L/usr/local/lib"
        CPPFLAGS="$CPPFLAGS -I/usr/local/include"
        ;;
esac
])


AC_DEFUN([TARGET_SHIZZLE],
[
  ARCH=""
  LIBBURNIA_PKGCONFDIR="$libdir"/pkgconfig

  AC_MSG_CHECKING([target operating system])

  LIBBURNIA_LDCONFIG_CMD="echo 'No ldconfig run performed. If needed, configure manually for:'"
  
  case $target_os in
    linux*)
      ARCH=linux
      LIBBURN_ARCH_LIBS=
      LIBBURNIA_LDCONFIG_CMD=ldconfig
      ;;
    freebsd*)
      ARCH=freebsd
      LIBBURN_ARCH_LIBS=-lcam
      LIBBURNIA_PKGCONFDIR=$(echo "$libdir" | sed 's/\/lib$/\/libdata/')/pkgconfig
      ;;
    kfreebsd*-gnu)
      ARCH=freebsd
      LIBBURN_ARCH_LIBS=-lcam
      ;;
    *)
      ARCH=
      LIBBURN_ARCH_LIBS=
#      AC_ERROR([You are attempting to compile for an unsupported platform])
      ;;
  esac

  AC_MSG_RESULT([$ARCH])
])


dnl LIBBURN_ASSERT_VERS_LIBS is by Thomas Schmitt, libburnia project
dnl It tests whether -Wl,--version-script=... works with the compiler
AC_DEFUN([LIBBURN_ASSERT_VERS_LIBS],
[
    libburnia_save_LDFLAGS="$LDFLAGS"
    LDFLAGS="$LDFLAGS -Wl,--version-script=libburn/libburn.ver"
    AC_TRY_LINK([#include <stdio.h>], [printf("Hello\n");],
                [vers_libs_test="yes"], [vers_libs_test="no"])
    if test x$vers_libs_test = xno
    then
        LDFLAGS="$libburnia_save_LDFLAGS"
    fi
])
  

dnl LIBBURNIA_SET_PKGCONFIG determines the install directory for the *.pc file.
dnl Important: Must be performed _after_ TARGET_SHIZZLE
dnl 
AC_DEFUN([LIBBURNIA_SET_PKGCONFIG],
[
### for testing --enable-libdir-pkgconfig on Linux
### LIBBURNIA_PKGCONFDIR="$libdir"data/pkgconfig

if test "x$LIBBURNIA_PKGCONFDIR" = "x$libdir"/pkgconfig
then
  dummy=dummy
else
  AC_ARG_ENABLE(libdir-pkgconfig,
  [  --enable-libdir-pkgconfig  Install to $libdir/pkgconfig on any OS, default=no],
   , enable_libdir_pkgconfig="no")
  AC_MSG_CHECKING([for --enable-libdir-pkgconfig])
  if test "x$enable_libdir_pkgconfig" = xyes
  then
    LIBBURNIA_PKGCONFDIR="$libdir"/pkgconfig
  fi
  AC_MSG_RESULT([$enable_libdir_pkgconfig])
fi

libburnia_pkgconfig_override="no"
AC_ARG_ENABLE(pkgconfig-path,
[  --enable-pkgconfig-path=DIR  Absolute path of directory for libisofs-*.pc],
libburnia_pkgconfig_override="yes" , enable_pkgconfig_path="none")
AC_MSG_CHECKING([for overridden pkgconfig directory path])
if test "x$enable_pkgconfig_path" = xno
then
  libburnia_pkgconfig_override="no"
fi
if test "x$enable_pkgconfig_path" = x -o "x$enable_pkgconfig_path" = xyes
then
  libburnia_pkgconfig_override="invalid argument"
fi
if test "x$libburnia_pkgconfig_override" = xyes
then
  LIBBURNIA_PKGCONFDIR="$enable_pkgconfig_path"
  AC_MSG_RESULT([$LIBBURNIA_PKGCONFDIR])
else
  AC_MSG_RESULT([$libburnia_pkgconfig_override])
fi
AC_SUBST(LIBBURNIA_PKGCONFDIR)

dnl For debugging only
### AC_MSG_RESULT([LIBBURNIA_PKGCONFDIR = $LIBBURNIA_PKGCONFDIR])

])