Subversion Repositories openrisc_2011-10-31

dnl A function to check for zlib availability.  zlib is used by default

dnl unless the user configured with --disable-nls.

AC_DEFUN([AM_ZLIB],

[

  # See if the user specified whether he wants zlib support or not.

  AC_ARG_WITH(zlib,

    [  --with-zlib             include zlib support (auto/yes/no) [default=auto]],

    [], [with_zlib=auto])

  if test "$with_zlib" != "no"; then

    AC_SEARCH_LIBS(zlibVersion, z, [AC_CHECK_HEADERS(zlib.h)])

    if test "$with_zlib" = "yes" -a "$ac_cv_header_zlib_h" != "yes"; then

      AC_MSG_ERROR([zlib (libz) library was explicitly requested but not found])

    fi

  fi

])