##   -*- autoconf -*-


AC_DEFUN(AC_FIND_ZLIB,
[
AC_REQUIRE([KDE_CHECK_EXTRA_LIBS])
AC_MSG_CHECKING([for libz])
AC_CACHE_VAL(ac_cv_lib_z,
[
AC_LANG_C
kde_save_LIBS="$LIBS"
LIBS="$all_libraries $USER_LDFLAGS -lz $LIBSOCKET"
kde_save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $all_includes $USER_INCLUDES"
AC_TRY_LINK(dnl
[
#include<zlib.h>
],
            [return (zlibVersion() == ZLIB_VERSION); ],
            eval "ac_cv_lib_z='-lz'",
            eval "ac_cv_lib_z=no")
LIBS="$kde_save_LIBS"
CFLAGS="$kde_save_CFLAGS"
])dnl
if test ! "$ac_cv_lib_z" = no; then
  AC_DEFINE_UNQUOTED(HAVE_LIBZ, 1, [Define if you have libz])
  LIBZ="$ac_cv_lib_z"
  AC_SUBST(LIBZ)
  AC_MSG_RESULT($ac_cv_lib_z)
else
  AC_MSG_ERROR(not found. Check your installation and look into config.log)
  LIBZ=""
  AC_SUBST(LIBZ)
fi
])

AC_DEFUN(KDE_CHECK_EXTRA_LIBS,
[
AC_MSG_CHECKING(for extra includes)
AC_ARG_WITH(extra-includes, [  --with-extra-includes=DIR
                          adds non standard include paths],
  kde_use_extra_includes="$withval",
  kde_use_extra_includes=NONE
)
kde_extra_includes=
if test -n "$kde_use_extra_includes" && \
   test "$kde_use_extra_includes" != "NONE"; then

   ac_save_ifs=$IFS
   IFS=':'
   for dir in $kde_use_extra_includes; do
     kde_extra_includes="$kde_extra_includes $dir"
     USER_INCLUDES="$USER_INCLUDES -I$dir"
   done
   IFS=$ac_save_ifs
   kde_use_extra_includes="added"
else
   kde_use_extra_includes="no"
fi
AC_SUBST(USER_INCLUDES)

AC_MSG_RESULT($kde_use_extra_includes)

kde_extra_libs=
AC_MSG_CHECKING(for extra libs)
AC_ARG_WITH(extra-libs, [  --with-extra-libs=DIR   adds non standard library paths],
  kde_use_extra_libs=$withval,
  kde_use_extra_libs=NONE
)
if test -n "$kde_use_extra_libs" && \
   test "$kde_use_extra_libs" != "NONE"; then

   ac_save_ifs=$IFS
   IFS=':'
   for dir in $kde_use_extra_libs; do
     kde_extra_libs="$kde_extra_libs $dir"
     KDE_EXTRA_RPATH="$KDE_EXTRA_RPATH -R $dir"
     USER_LDFLAGS="$USER_LDFLAGS -L$dir"
   done
   IFS=$ac_save_ifs
   kde_use_extra_libs="added"
else
   kde_use_extra_libs="no"
fi

AC_SUBST(USER_LDFLAGS)

AC_MSG_RESULT($kde_use_extra_libs)

])

dnl ------------------------------------------------------------------------
dnl Find a file (or one of more files in a list of dirs)
dnl ------------------------------------------------------------------------
dnl
AC_DEFUN(AC_FIND_FILE,
[
$3=NO
for i in $2;
do
  for j in $1;
  do
    echo "configure: __oline__: $i/$j" >&AC_FD_CC
    if test -r "$i/$j"; then
      echo "taking that" >&AC_FD_CC
      $3=$i
      break 2
    fi
  done
done
])
