Build: Windows: fixed RTL-SDR support

CHANGELOG

@@ -1,3 +1,9 @@
+sdrangel (4.10.3-1) unstable; urgency=medium
+
+  * Windows build: fixed RTL-SDR support
+
+ -- Edouard Griffiths, F4EXB <f4exb06@gmail.com>  Fri, 28 Jun 2019 20:44:06 +0200
+
 sdrangel (4.10.2-1) unstable; urgency=medium
 
   * Windows MSVC with cmake build introduction

CMakeLists.txt

@@ -18,7 +18,7 @@ set(CMAKE_CXX_EXTENSIONS OFF)
 # configure version
 set(sdrangel_VERSION_MAJOR "4")
 set(sdrangel_VERSION_MINOR "10")
-set(sdrangel_VERSION_PATCH "2")
+set(sdrangel_VERSION_PATCH "3")
 set(sdrangel_VERSION_SUFFIX "")
 
 # SDRAngel cmake options

debian/changelog

@@ -1,3 +1,9 @@
+sdrangel (4.10.3-1) unstable; urgency=medium
+
+  * Windows build: fixed RTL-SDR support
+
+ -- Edouard Griffiths, F4EXB <f4exb06@gmail.com>  Fri, 28 Jun 2019 20:44:06 +0200
+
 sdrangel (4.10.2-1) unstable; urgency=medium
 
   * Windows MSVC with cmake build introduction

external/CMakeLists.txt

@@ -372,6 +372,41 @@ if (LINUX)
 endif(LINUX)
 
 if(WIN32 OR APPLE)
+  if(ENABLE_RTLSDR)
+    if(WIN32)
+      set(RTLSDR_LIBUSB_INCLUDE "${LIBUSB_INCLUDE_DIR}/libusb-1.0")
+    else()
+      set(RTLSDR_LIBUSB_INCLUDE "${LIBUSB_INCLUDE_DIR}")
+    endif()
+    # needs pkgconfig and libusb
+    ExternalProject_Add(rtlsdr
+      GIT_REPOSITORY https://github.com/osmocom/rtl-sdr.git
+      GIT_TAG ${RTLSDR_TAG}
+      DEPENDS ${PTHREADS4W_DEPENDS}
+      PREFIX "${EXTERNAL_BUILD_LIBRARIES}/rtlsdr"
+      CMAKE_ARGS ${DEFAULT_OUTPUT_DIRECTORIES}
+          -DINSTALL_UDEV_RULES=${RTLSDR_UDEV}
+          -DLIBUSB_LIBRARIES=${LIBUSB_LIBRARIES}
+          -DLIBUSB_INCLUDE_DIR=${RTLSDR_LIBUSB_INCLUDE}
+          -DTHREADS_PTHREADS_INCLUDE_DIR=${PTHREADS4W_INCLUDE_DIR}
+          -DTHREADS_PTHREADS_WIN32_LIBRARY=${PTHREADS4W_LIBRARIES}
+      INSTALL_COMMAND ""
+      TEST_COMMAND ""
+    )
+    ExternalProject_Get_Property(rtlsdr source_dir binary_dir)
+    set(LIBRTLSDR_FOUND ON CACHE INTERNAL "")
+    set(LIBRTLSDR_INCLUDE_DIR "${source_dir}/include" CACHE INTERNAL "")
+    if(WIN32)
+      set(LIBRTLSDR_LIBRARIES "${SDRANGEL_BINARY_LIB_DIR}/rtlsdr.lib" CACHE INTERNAL "")
+      install(FILES "${SDRANGEL_BINARY_BIN_DIR}/rtlsdr${CMAKE_SHARED_LIBRARY_SUFFIX}" DESTINATION "${INSTALL_LIB_DIR}")
+    elseif(APPLE)
+      set(LIBRTLSDR_LIBRARIES "${binary_dir}/src/librtlsdr${CMAKE_SHARED_LIBRARY_SUFFIX}" CACHE INTERNAL "")
+      install(DIRECTORY "${binary_dir}/src/" DESTINATION "${INSTALL_LIB_DIR}"
+        FILES_MATCHING PATTERN "librtlsdr*${CMAKE_SHARED_LIBRARY_SUFFIX}")
+      set(MACOS_EXTERNAL_LIBS_FIXUP "${MACOS_EXTERNAL_LIBS_FIXUP};${binary_dir}/src/")
+    endif()
+  endif(ENABLE_RTLSDR)
+
   if(ENABLE_LIMESUITE)
     # needs pkgconfig, libusb
     ExternalProject_Add(limesuite