1dnl -*- Autoconf -*- test for either zlib or bzlib.
2dnl Defines --with-$1 argument, $2 automake conditional,
3dnl and sets AC_DEFINE(USE_$2) and LIBS.
4
5AC_DEFUN([eu_ZIPLIB], [dnl
6AC_ARG_WITH([[$1]],
7AC_HELP_STRING([--with-[$1]], [support [$1] compression in libdwfl]),,
8	    [with_[$1]=default])
9if test $with_[$1] != no; then
10  AC_SEARCH_LIBS([$4], [$3], [with_[$1]=yes],
11  	         [test $with_[$1] = default ||
12		  AC_MSG_ERROR([missing -l[$3] for --with-[$1]])])
13fi
14AM_CONDITIONAL([$2], test $with_[$1] = yes)
15if test $with_[$1] = yes; then
16  AC_DEFINE(USE_[$2])
17else
18  with_[$1]=no
19fi
20AH_TEMPLATE(USE_[$2], [Support $5 decompression via -l$3.])])
21