botan: Look for Botan 3 in configure script

diff --git a/configure.ac b/configure.ac
index ea7fd00b963335912020455cd35816cf5a8dac4d..520775c1c4061f93d9d913d690aaa56295507084 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1173,7 +1173,8 @@ if test x$gcrypt = xtrue; then
 fi
 
 if test x$botan = xtrue; then
-       PKG_CHECK_MODULES(botan, [botan-2])
+       PKG_CHECK_MODULES(botan, [botan-3], [],
+               [PKG_CHECK_MODULES(botan, [botan-2])])
        AC_SUBST(botan_CFLAGS)
        AC_SUBST(botan_LIBS)
 fi