[new port] wangle init (#4133)

* wangle init

* [wangle] Simplification

* [wangle] Fix finding gflags

ports/wangle/CONTROL

@@ -0,0 +1,4 @@
+Source: wangle
+Version: v2018.07.30.00-1
+Build-Depends: folly, openssl, gtest, glog, libevent, double-conversion
+Description: Wangle is a framework providing a set of common client/server abstractions for building services in a consistent, modular, and composable way.

ports/wangle/build.patch

@@ -0,0 +1,54 @@
+diff --git a/wangle/CMakeLists.txt b/wangle/CMakeLists.txt
+index 0302249..3bf1e6c 100644
+--- a/wangle/CMakeLists.txt
++++ b/wangle/CMakeLists.txt
+@@ -38,9 +38,9 @@ endif()
+ 
+ find_package(Boost REQUIRED COMPONENTS system thread filesystem regex context)
+ find_package(OpenSSL REQUIRED)
+-find_package(Glog REQUIRED)
+-find_package(Gflags REQUIRED)
+-find_package(Libevent REQUIRED)
++find_package(Glog CONFIG REQUIRED)
++find_package(Gflags CONFIG REQUIRED)
++find_package(Libevent CONFIG REQUIRED)
+ find_package(DoubleConversion REQUIRED)
+ find_package(Threads REQUIRED)
+ if (UNIX AND NOT APPLE)
+@@ -116,11 +116,9 @@ if (BUILD_SHARED_LIBS)
+     PROPERTIES VERSION ${PROJECT_VERSION} SOVERSION 1)
+ endif()
+ 
+-target_include_directories(
+-  wangle
+-  PUBLIC
+-    $<BUILD_INTERFACE:${CMAKE_SOURCE_DIR}/..>
+-    $<INSTALL_INTERFACE:${INCLUDE_INSTALL_DIR}>
++include_directories(
++   "${CMAKE_SOURCE_DIR}/.."
++   ${INCLUDE_INSTALL_DIR}
+     ${FOLLY_INCLUDE_DIR}
+     ${Boost_INCLUDE_DIR}
+     ${OPENSSL_INCLUDE_DIR}
+@@ -143,15 +141,19 @@ target_link_libraries(wangle PUBLIC
+ install(
+   TARGETS wangle
+   EXPORT wangle-exports
+-  DESTINATION ${LIB_INSTALL_DIR}
++  RUNTIME DESTINATION bin
++  LIBRARY DESTINATION lib
++  ARCHIVE DESTINATION lib
+ )
+ # We unfortunately cannot install wangle's headers with the install()
+ # statement above.  install(TARGETS) appears to only support installing
+ # PUBLIC_HEADER in a flat include directory, and not a deeper tree.
++if(NOT DISABLE_INSTALL_HEADERS)
+ foreach(dir ${WANGLE_HEADER_DIRS})
+-  install(DIRECTORY ${dir} DESTINATION "${INCLUDE_INSTALL_DIR}/wangle"
++  install(DIRECTORY ${dir} DESTINATION "include/wangle"
+           FILES_MATCHING PATTERN "*.h")
+ endforeach()
++endif()
+ 
+ # Install CMake package configuration files for wangle
+ include(CMakePackageConfigHelpers)

ports/wangle/gflags.patch

@@ -0,0 +1,31 @@
+diff --git a/wangle/cmake/FindGflags.cmake b/wangle/cmake/FindGflags.cmake
+index 0243aa3..be3780f 100644
+--- a/wangle/cmake/FindGflags.cmake
++++ b/wangle/cmake/FindGflags.cmake
+@@ -7,19 +7,11 @@
+ 
+ include(FindPackageHandleStandardArgs)
+ 
+-find_library(GFLAGS_LIBRARY gflags
+-  PATHS ${GFLAGS_LIBRARYDIR})
++find_package(gflags CONFIG REQUIRED)
+ 
+-find_path(GFLAGS_INCLUDE_DIR gflags/gflags.h
+-  PATHS ${GFLAGS_INCLUDEDIR})
+-
+-find_package_handle_standard_args(gflags DEFAULT_MSG
+-  GFLAGS_LIBRARY
+-  GFLAGS_INCLUDE_DIR)
+-
+-mark_as_advanced(
+-  GFLAGS_LIBRARY
+-  GFLAGS_INCLUDE_DIR)
+-
+-set(GFLAGS_LIBRARIES ${GFLAGS_LIBRARY})
+-set(GFLAGS_INCLUDE_DIRS ${GFLAGS_INCLUDE_DIR})
++if(TARGET gflags_static)
++  set(GFLAGS_LIBRARIES gflags_static)
++else()
++  set(GFLAGS_LIBRARIES gflags_shared)
++endif()
++set(GFLAGS_INCLUDE_DIRS)

ports/wangle/portfile.cmake

@@ -0,0 +1,35 @@
+include(vcpkg_common_functions)
+
+vcpkg_from_github(
+    OUT_SOURCE_PATH SOURCE_PATH
+    REPO facebook/wangle
+    REF v2018.07.30.00
+    SHA512 f83378a8751b47fac2c862e07ffeb2750fd681735e66d778657d7624fe3e839b2e2bfcb049ecd3a3516c206d93f9c168144599ded823720967e44037b536ba5d
+    HEAD_REF master
+    PATCHES
+        build.patch
+        gflags.patch
+)
+
+vcpkg_configure_cmake(
+    SOURCE_PATH "${SOURCE_PATH}/wangle"
+    PREFER_NINJA
+    OPTIONS
+        -DBUILD_TESTS=OFF
+    OPTIONS_DEBUG
+        -DDISABLE_INSTALL_HEADERS=ON
+)
+
+vcpkg_install_cmake()
+vcpkg_fixup_cmake_targets(CONFIG_PATH "lib/cmake/wangle")
+vcpkg_copy_pdbs()
+
+file(REMOVE_RECURSE 
+    ${CURRENT_PACKAGES_DIR}/include/wangle/util/test
+    ${CURRENT_PACKAGES_DIR}/include/wangle/ssl/test/certs
+    ${CURRENT_PACKAGES_DIR}/include/wangle/service/test
+    ${CURRENT_PACKAGES_DIR}/include/wangle/deprecated/rx/test
+)
+
+# Handle copyright
+file(INSTALL ${SOURCE_PATH}/LICENSE DESTINATION ${CURRENT_PACKAGES_DIR}/share/wangle RENAME copyright)