[folly][rocksdb] Fix lz4+snappy support

ports/folly/CONTROL

@@ -1,5 +1,5 @@
 Source: folly
-Version: 2018.03.19.00-1
+Version: 2018.03.19.00-2
 Description: An open-source C++ library developed and used at Facebook. The library is UNSTABLE on Windows
 Build-Depends: openssl, libevent, double-conversion, glog, gflags, boost-chrono, boost-context, boost-conversion, boost-crc, boost-date-time, boost-filesystem, boost-multi-index, boost-program-options, boost-regex, boost-system, boost-thread
 Default-Features: zlib

ports/folly/FindLZ4.cmake

@@ -1,9 +1,10 @@
 find_path(LZ4_INCLUDE_DIR lz4.h)
 
-find_package(LZ4_LIBRARY_DEBUG NAMES lz4d)
+find_library(LZ4_LIBRARY_DEBUG NAMES lz4d)
-find_package(LZ4_LIBRARY_RELEASE NAMES lz4)
+find_library(LZ4_LIBRARY_RELEASE NAMES lz4)
 
-select_library_configurations(LZ4_LIBRARY)
+include(SelectLibraryConfigurations)
+select_library_configurations(LZ4)
 
 include(FindPackageHandleStandardArgs)
 FIND_PACKAGE_HANDLE_STANDARD_ARGS(

ports/folly/FindSnappy.cmake

@@ -1,9 +1,10 @@
 find_path(SNAPPY_INCLUDE_DIR snappy.h)
 
-find_package(SNAPPY_LIBRARY_DEBUG NAMES snappyd)
+find_library(SNAPPY_LIBRARY_DEBUG NAMES snappyd)
-find_package(SNAPPY_LIBRARY_RELEASE NAMES snappy)
+find_library(SNAPPY_LIBRARY_RELEASE NAMES snappy)
 
-select_library_configurations(SNAPPY_LIBRARY)
+include(SelectLibraryConfigurations)
+select_library_configurations(SNAPPY)
 
 include(FindPackageHandleStandardArgs)
 FIND_PACKAGE_HANDLE_STANDARD_ARGS(

ports/rocksdb/CONTROL

@@ -1,4 +1,12 @@
 Source: rocksdb
-Version: 5.11.3
+Version: 5.11.3-1
 Description: A library that provides an embeddable, persistent key-value store for fast storage
 Build-Depends: zlib
+
+Feature: lz4
+Build-Depends: lz4
+Description: lz4 support in rocksdb
+
+Feature: snappy
+Build-Depends: snappy
+Description: snappy support in rocksdb

ports/rocksdb/Findlz4.cmake

@@ -0,0 +1,13 @@
+find_path(LZ4_INCLUDE_DIR lz4.h)
+
+find_library(LZ4_LIBRARY_DEBUG NAMES lz4d)
+find_library(LZ4_LIBRARY_RELEASE NAMES lz4)
+
+include(SelectLibraryConfigurations)
+select_library_configurations(LZ4)
+
+include(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(
+    LZ4 DEFAULT_MSG
+    LZ4_LIBRARY LZ4_INCLUDE_DIR
+)

ports/rocksdb/Findsnappy.cmake

@@ -0,0 +1,13 @@
+find_path(SNAPPY_INCLUDE_DIR snappy.h)
+
+find_library(SNAPPY_LIBRARY_DEBUG NAMES snappyd)
+find_library(SNAPPY_LIBRARY_RELEASE NAMES snappy)
+
+include(SelectLibraryConfigurations)
+select_library_configurations(SNAPPY)
+
+include(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(
+    SNAPPY DEFAULT_MSG
+    SNAPPY_LIBRARY SNAPPY_INCLUDE_DIR
+)

ports/rocksdb/portfile.cmake

@@ -9,14 +9,19 @@ vcpkg_from_github(
 )
 
 vcpkg_apply_patches(
-    SOURCE_PATH ${SOURCE_PATH}
+  SOURCE_PATH ${SOURCE_PATH}
-    PATCHES
+  PATCHES
     "${CMAKE_CURRENT_LIST_DIR}/0002-disable-gtest.patch"
     "${CMAKE_CURRENT_LIST_DIR}/0003-only-build-one-flavor.patch"
     "${CMAKE_CURRENT_LIST_DIR}/use-find-package.patch"
 )
 
 file(REMOVE "${SOURCE_PATH}/cmake/modules/Findzlib.cmake")
+file(COPY
+  "${CMAKE_CURRENT_LIST_DIR}/Findlz4.cmake"
+  "${CMAKE_CURRENT_LIST_DIR}/Findsnappy.cmake"
+  DESTINATION "${SOURCE_PATH}/cmake/modules"
+)
 
 if(VCPKG_CRT_LINKAGE STREQUAL "static")
   set(WITH_MD_LIBRARY OFF)
@@ -27,13 +32,26 @@ endif()
 string(COMPARE EQUAL "${VCPKG_LIBRARY_LINKAGE}" "static" ROCKSDB_DISABLE_INSTALL_SHARED_LIB)
 string(COMPARE EQUAL "${VCPKG_LIBRARY_LINKAGE}" "dynamic" ROCKSDB_DISABLE_INSTALL_STATIC_LIB)
 
+set(WITH_LZ4 OFF)
+if("lz4" IN_LIST FEATURES)
+  set(WITH_LZ4 ON)
+endif()
+
+set(WITH_SNAPPY OFF)
+if("snappy" IN_LIST FEATURES)
+  set(WITH_SNAPPY ON)
+endif()
+
+get_filename_component(ROCKSDB_VERSION "${SOURCE_PATH}" NAME)
+string(REPLACE "rocksdb-rocksdb-" "" ROCKSDB_VERSION "${ROCKSDB_VERSION}")
+
 vcpkg_configure_cmake(
   SOURCE_PATH ${SOURCE_PATH}
   PREFER_NINJA
   OPTIONS
   -DWITH_GFLAGS=0
-  -DWITH_SNAPPY=0
+  -DWITH_SNAPPY=${WITH_SNAPPY}
-  -DWITH_LZ4=0
+  -DWITH_LZ4=${WITH_LZ4}
   -DWITH_ZLIB=1
   -DWITH_TESTS=OFF
   -DROCKSDB_INSTALL_ON_WINDOWS=ON
@@ -43,7 +61,7 @@ vcpkg_configure_cmake(
   -DCMAKE_DEBUG_POSTFIX=d
   -DROCKSDB_DISABLE_INSTALL_SHARED_LIB=${ROCKSDB_DISABLE_INSTALL_SHARED_LIB}
   -DROCKSDB_DISABLE_INSTALL_STATIC_LIB=${ROCKSDB_DISABLE_INSTALL_STATIC_LIB}
-  -DROCKSDB_VERSION=5.11.3
+  -DROCKSDB_VERSION=${ROCKSDB_VERSION}
   -DCURRENT_INSTALLED_DIR=${CURRENT_INSTALLED_DIR}
   -DCMAKE_DISABLE_FIND_PACKAGE_TBB=TRUE
   -DCMAKE_DISABLE_FIND_PACKAGE_NUMA=TRUE