# Link application to ZLIB library, needed for netcdf
ZLIB_INCLUDE=''
ZLIB_LIBS=''
AC_ARG_WITH([zlib],
[AS_HELP_STRING([--with-zlib=<yes|no|directory> (default=yes)],[location of ZLIB compression library (lib and include subdirs), nec. for HDF5/NETCDF4])],
[AS_CASE(["$with_zlib"],
[no],[AC_MSG_CHECKING([for ZLIB library])
AC_MSG_RESULT([suppressed])],
[yes],[AC_CHECK_HEADERS(zlib.h)
AC_SEARCH_LIBS([deflate],[z],[AC_DEFINE([HAVE_LIBZ],[1],[Define 1 for ZLIB support])])
ZLIB_LIBS=" -lz"],
[*],[ZLIB_ROOT=$with_zlib
LDFLAGS="-L$ZLIB_ROOT/lib $LDFLAGS"
CPPFLAGS="-I$ZLIB_ROOT/include $CPPFLAGS"
AC_CHECK_HEADERS(zlib.h)
AC_SEARCH_LIBS([deflate],[z],[AC_DEFINE([HAVE_LIBZ],[1],[Define 1 for ZLIB support])])
ZLIB_INCLUDE=" -I$ZLIB_ROOT/include"
ZLIB_LIBS=" -L$ZLIB_ROOT/lib -lz"])],
[AC_CHECK_HEADERS(zlib.h)
AC_SEARCH_LIBS([deflate],[z],[AC_DEFINE([HAVE_LIBZ],[1],[Define 1 for ZLIB support])])