[nanopb] Add new port (#5057)

* [nanopb] Add new port

* [nanopb] Always use static linkage

* [nanopb] Update to 2019-02-12 and add shared lib building support

* [nanopb] Add missing patch file

* [nanopb] Copy pdb file

* [nanopb] Add some warnings

ports/nanopb/CONTROL

@@ -0,0 +1,3 @@
+Source: nanopb
+Version: 2019-02-12-1
+Description: A small code-size Protocol Buffers implementation in ANSI C.

ports/nanopb/portfile.cmake

@@ -0,0 +1,47 @@
+include(vcpkg_common_functions)
+
+if (VCPKG_LIBRARY_LINKAGE STREQUAL dynamic)
+    message(WARNING "\
+The author of nanopb advises using this lib as a static library. \
+For more details, please visit: \
+https://github.com/nanopb/nanopb/pull/383#issuecomment-467852459"
+    )
+endif ()
+
+message(WARNING "\
+The nanopb's code generator is not installed as part of the installation \
+currently. So you have to run the code generator manually."
+)
+
+vcpkg_from_github(
+    OUT_SOURCE_PATH SOURCE_PATH
+    REPO nanopb/nanopb
+    REF d1305ddef1c18b4cb33992254494ccd255701aaa
+    SHA512 70e588b0ff13846005658a9fafe57551dc2c126a32f351fe0b6c166c142c42b3bcc44567288f609f2f3a5adc1fe1bf1c585fec8c5fe90817b5b3ab47955aa1fc
+    HEAD_REF master
+    PATCHES
+        shared-lib.patch
+)
+
+string(COMPARE EQUAL ${VCPKG_LIBRARY_LINKAGE} "static" BUILD_STATIC_LIBS)
+
+vcpkg_configure_cmake(
+    SOURCE_PATH ${SOURCE_PATH}
+    PREFER_NINJA
+    OPTIONS
+        -Dnanopb_BUILD_RUNTIME=ON
+        -Dnanopb_BUILD_GENERATOR=OFF
+        -DBUILD_STATIC_LIBS=${BUILD_STATIC_LIBS}
+        -Dnanopb_MSVC_STATIC_RUNTIME=OFF
+)
+
+vcpkg_install_cmake()
+
+vcpkg_copy_pdbs()
+
+vcpkg_fixup_cmake_targets(CONFIG_PATH lib/cmake/${PORT})
+
+file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/debug/include)
+
+# Handle copyright
+configure_file(${SOURCE_PATH}/LICENSE.txt ${CURRENT_PACKAGES_DIR}/share/${PORT}/copyright COPYONLY)

ports/nanopb/shared-lib.patch

@@ -0,0 +1,22 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index b818734..174b650 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -67,6 +67,7 @@ endif()
+ 
+ if(nanopb_BUILD_RUNTIME)
+     if(BUILD_SHARED_LIBS)
++        set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON)
+         add_library(protobuf-nanopb SHARED
+             pb.h
+             pb_common.h
+@@ -79,7 +80,8 @@ if(nanopb_BUILD_RUNTIME)
+             SOVERSION ${nanopb_SOVERSION})
+         install(TARGETS protobuf-nanopb EXPORT nanopb-targets
+             ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+-	    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR})
++	    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
++        RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
+         target_include_directories(protobuf-nanopb INTERFACE
+           $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
+         )