+
+ dnl check for zlib (optional)
+ spamassassin_zlib=0
+ SPAMASSASSIN_CFLAGS=""
+ SPAMASSASSIN_LIBS=""
+ AC_CHECK_HEADER([zlib.h],
+ [AC_DEFINE(HAVE_ZLIB_H,1,[optional zlib support for spamassassin plugin])]
+ [spamassassin_zlib=1],
+ [spamassassin_zlib=0])
+ if test $spamassassin_zlib -eq 1; then
+ AC_CHECK_LIB(z, deflate, [spamassassin_zlib=1], [spamassassin_zlib=0])
+ AC_MSG_CHECKING([whether to build spamassassin plugin with zlib support])
+ if test $spamassassin_zlib -eq 1; then
+ AC_MSG_RESULT(yes)
+ SPAMASSASSIN_CFLAGS="-DHAVE_LIBZ"
+ SPAMASSASSIN_LIBS="-lz"
+ else
+ AC_MSG_RESULT(no)
+ fi
+ fi
+ AC_SUBST(SPAMASSASSIN_CFLAGS)
+ AC_SUBST(SPAMASSASSIN_LIBS)