libevent: add depends

depends/packages/libevent.mk

@@ -0,0 +1,26 @@
+package=libevent
+$(package)_version=2.0.22
+$(package)_download_path=https://github.com/libevent/libevent/releases/download/release-2.0.22-stable
+$(package)_file_name=$(package)-$($(package)_version)-stable.tar.gz
+$(package)_sha256_hash=71c2c49f0adadacfdbe6332a372c38cf9c8b7895bb73dabeaa53cdcc1d4e1fa3
+
+define $(package)_set_vars
+  $(package)_config_opts=--disable-shared --disable-openssl --disable-libevent-regress
+  $(package)_config_opts_release=--disable-debug-mode
+  $(package)_config_opts_linux=--with-pic
+endef
+
+define $(package)_config_cmds
+  $($(package)_autoconf)
+endef
+
+define $(package)_build_cmds
+  $(MAKE)
+endef
+
+define $(package)_stage_cmds
+  $(MAKE) DESTDIR=$($(package)_staging_dir) install
+endef
+
+define $(package)_postprocess_cmds
+endef

depends/packages/packages.mk

@@ -1,6 +1,6 @@
 rust_packages := rust librustzcash
 zcash_packages := libsnark libgmp libsodium
-packages := boost openssl zeromq $(zcash_packages) googletest googlemock
+packages := boost openssl libevent zeromq $(zcash_packages) googletest googlemock
 native_packages := native_ccache
 
 wallet_packages=bdb