5 files changed, 61 insertions, 9 deletions
diff --git a/contrib/depends/README.md b/contrib/depends/README.md
index 597398369..c9f8b0783 100644
--- a/contrib/depends/README.md
+++ b/contrib/depends/README.md
@@ -53,6 +53,16 @@ Download it from apple, or search for it on github. Create a new directoty calle
 directory and place the entire MacOSX10.11.sdk folder in it. The depends build will then pick it up automatically
 (without requiring SDK_PATH). 
 
+
+#Mingw builds
+
+Building for 32/64bit mingw requires switching alternatives to a posix mode
+
+```bash
+update-alternatives --set x86_64-w64-mingw32-g++ x86_64-w64-mingw32-g++-posix
+update-alternatives --set x86_64-w64-mingw32-gcc x86_64-w64-mingw32-gcc-posix
+```
+
 ### Other documentation
 
 - [description.md](description.md): General description of the depends system
diff --git a/contrib/depends/packages/libusb.mk b/contrib/depends/packages/libusb.mk
index 6d60cce26..d865d2a17 100644
--- a/contrib/depends/packages/libusb.mk
+++ b/contrib/depends/packages/libusb.mk
@@ -11,13 +11,21 @@ endef
 define $(package)_set_vars
   $(package)_config_opts=--disable-shared
   $(package)_config_opts_linux=--with-pic --disable-udev
+  $(package)_config_opts_mingw32=--disable-udev
+  $(package)_config_opts_darwin=--disable-udev
 endef
 
-define $(package)_config_cmds
-  cp -f $(BASEDIR)/config.guess config.guess &&\
-  cp -f $(BASEDIR)/config.sub config.sub &&\
-  $($(package)_autoconf)
-endef
+ifneq ($(host_os),darwin)
+  define $(package)_config_cmds
+    cp -f $(BASEDIR)/config.guess config.guess &&\
+    cp -f $(BASEDIR)/config.sub config.sub &&\
+    $($(package)_autoconf)
+  endef
+else
+  define $(package)_config_cmds
+    $($(package)_autoconf)
+  endef
+endif
 
 define $(package)_build_cmd
   $(MAKE)
@@ -27,5 +35,5 @@ define $(package)_stage_cmds
   $(MAKE) DESTDIR=$($(package)_staging_dir) install
 endef
 
-define $(package)_postprocess_cmds                                                                                                          cp -f lib/libusb-1.0.a lib/libusb.a
+define $(package)_postprocess_cmds  cp -f lib/libusb-1.0.a lib/libusb.a
 endef
diff --git a/contrib/depends/packages/native_protobuf.mk b/contrib/depends/packages/native_protobuf.mk
new file mode 100644
index 000000000..83e602341
--- /dev/null
+++ b/contrib/depends/packages/native_protobuf.mk
@@ -0,0 +1,28 @@
+package=protobuf3
+$(package)_version=3.6.1
+$(package)_download_path=https://github.com/protocolbuffers/protobuf/releases/download/v$($(package)_version)/
+$(package)_file_name=protobuf-cpp-$($(package)_version).tar.gz
+$(package)_sha256_hash=b3732e471a9bb7950f090fd0457ebd2536a9ba0891b7f3785919c654fe2a2529
+$(package)_cxxflags=-std=c++11
+
+define $(package)_set_vars
+  $(package)_config_opts=--disable-shared --prefix=$(build_prefix)
+  $(package)_config_opts_linux=--with-pic
+endef
+
+define $(package)_config_cmds
+  $($(package)_autoconf)
+endef
+
+define $(package)_build_cmds
+  $(MAKE) -C src libprotobuf.la all
+endef
+
+define $(package)_stage_cmds
+  $(MAKE) DESTDIR=$($(package)_staging_dir) -C src install install-libLTLIBRARIES install-nobase_includeHEADERS &&\
+  $(MAKE) DESTDIR=$($(package)_staging_dir) install-pkgconfigDATA
+endef
+
+define $(package)_postprocess_cmds
+  rm lib/libprotoc.a
+endef
diff --git a/contrib/depends/packages/packages.mk b/contrib/depends/packages/packages.mk
index 234adbdd4..b3a5992d0 100644
--- a/contrib/depends/packages/packages.mk
+++ b/contrib/depends/packages/packages.mk
@@ -1,10 +1,10 @@
-packages:=boost openssl libevent zeromq cppzmq zlib expat ldns cppzmq readline libiconv qt hidapi
-native_packages := native_ccache
+packages:=boost openssl libevent zeromq cppzmq zlib expat ldns cppzmq readline libiconv qt hidapi protobuf libusb
+native_packages := native_ccache native_protobuf
 
 darwin_native_packages = native_biplist native_ds_store native_mac_alias
 darwin_packages = sodium-darwin
 
-linux_packages = eudev libusb
+linux_packages = eudev
 
 ifeq ($(host_os),linux)
 packages += unwind
diff --git a/contrib/depends/toolchain.cmake.in b/contrib/depends/toolchain.cmake.in
index f59b7b5ee..547b59108 100644
--- a/contrib/depends/toolchain.cmake.in
+++ b/contrib/depends/toolchain.cmake.in
@@ -21,6 +21,12 @@ SET(LIBUNWIND_LIBRARY_DIRS @prefix@/lib)
 SET(LIBUSB-1.0_LIBRARY @prefix@/lib/libusb-1.0.a)
 SET(LIBUDEV_LIBRARY @prefix@/lib/libudev.a)
 
+SET(Protobuf_FOUND 1)
+SET(Protobuf_PROTOC_EXECUTABLE @prefix@/native/bin/protoc CACHE FILEPATH "Path to the native protoc")
+SET(Protobuf_INCLUDE_DIR @prefix@/include CACHE PATH "Protobuf include dir")
+SET(Protobuf_INCLUDE_DIRS @prefix@/include CACHE PATH "Protobuf include dir")
+SET(Protobuf_LIBRARY @prefix@/lib/libprotobuf.a CACHE FILEPATH "Protobuf library")
+
 SET(ZMQ_INCLUDE_PATH @prefix@/include)
 SET(ZMQ_LIB @prefix@/lib/libzmq.a)