Make Windows dep switches compatible with other builds

Summary:
Make dependacies switches compatible with other OS builds
  TODO: Make find_package work for Windows.
Closes https://github.com/facebook/rocksdb/pull/3322

Differential Revision: D6667637

Pulled By: sagar0

fbshipit-source-id: 5afcd7bbfe69465310a4fbc8e589f01e506b95f5

CMakeLists.txt

@@ -14,7 +14,7 @@
 #        cd build
 # 3. Run cmake to generate project files for Windows, add more options to enable required third-party libraries.
 #    See thirdparty.inc for more information.
-#        sample command: cmake -G "Visual Studio 14 Win64" -DGFLAGS=1 -DSNAPPY=1 -DJEMALLOC=1 -DJNI=1 ..
+#        sample command: cmake -G "Visual Studio 15 Win64" -DWITH_GFLAGS=1 -DWITH_SNAPPY=1 -DWITH_JEMALLOC=1 -DWITH_JNI=1 ..
 # 4. Then build the project in debug mode (you may want to add /m[:<N>] flag to run msbuild in <N> parallel threads
 #                                          or simply /m ot use all avail cores)
 #        msbuild rocksdb.sln
@@ -42,7 +42,14 @@ endif()
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake/modules/")
 
 option(WITH_JEMALLOC "build with JeMalloc" OFF)
+option(WITH_SNAPPY "build with SNAPPY" OFF)
+option(WITH_LZ4 "build with lz4" OFF)
+option(WITH_ZLIB "build with zlib" OFF)
 if(MSVC)
+  # Defaults currently different for GFLAGS.
+  #  We will address find_package work a little later
+  option(WITH_GFLAGS "build with GFlags" OFF)
+  option(WITH_XPRESS "build with windows built in compression" OFF)
   include(${CMAKE_CURRENT_SOURCE_DIR}/thirdparty.inc)
 else()
   if(CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
@@ -56,8 +63,18 @@ else()
       include_directories(${JEMALLOC_INCLUDE_DIR})
     endif()
   endif()
+  
+  # No config file for this
+  option(WITH_GFLAGS "build with GFlags" ON)
+  if(WITH_GFLAGS)
+    find_package(gflags)
+    if(gflags_FOUND)
+      add_definitions(-DGFLAGS=1)
+      include_directories(${gflags_INCLUDE_DIR})
+      list(APPEND THIRDPARTY_LIBS ${gflags_LIBRARIES})
+    endif()
+  endif()
 
-  option(WITH_SNAPPY "build with SNAPPY" OFF)
   if(WITH_SNAPPY)
     find_package(snappy REQUIRED)
     add_definitions(-DSNAPPY)
@@ -65,7 +82,6 @@ else()
     list(APPEND THIRDPARTY_LIBS ${SNAPPY_LIBRARIES})
   endif()
 
-  option(WITH_ZLIB "build with zlib" OFF)
   if(WITH_ZLIB)
     find_package(zlib REQUIRED)
     add_definitions(-DZLIB)
@@ -81,7 +97,6 @@ else()
     list(APPEND THIRDPARTY_LIBS ${BZIP2_LIBRARIES})
   endif()
 
-  option(WITH_LZ4 "build with lz4" OFF)
   if(WITH_LZ4)
     find_package(lz4 REQUIRED)
     add_definitions(-DLZ4)
@@ -254,13 +269,6 @@ if(WITH_UBSAN)
   endif()
 endif()
 
-find_package(gflags)
-if(gflags_FOUND)
-  add_definitions(-DGFLAGS=1)
-  include_directories(${gflags_INCLUDE_DIR})
-  list(APPEND THIRDPARTY_LIBS ${gflags_LIBRARIES})
-endif()
-
 find_package(NUMA)
 if(NUMA_FOUND)
   add_definitions(-DNUMA)

appveyor.yml

@@ -3,7 +3,7 @@ image: Visual Studio 2015
 before_build:
 - md %APPVEYOR_BUILD_FOLDER%\build
 - cd %APPVEYOR_BUILD_FOLDER%\build
-- cmake -G "Visual Studio 14 2015 Win64" -DOPTDBG=1 -DXPRESS=1 -DPORTABLE=1 ..
+- cmake -G "Visual Studio 14 Win64" -DOPTDBG=1 -DWITH_XPRESS=1 -DPORTABLE=1 ..
 - cd ..
 build:
   project: build\rocksdb.sln

thirdparty.inc

 # Edit definitions below to specify paths to include files and libraries of all 3rd party libraries
 
-#
-# Edit these lines to set defaults for use of external libraries
-#
-set(USE_GFLAGS_DEFAULT 0)        # GFLAGS is disabled by default, enable with -DGFLAGS=1 cmake command line agrument
-set(USE_SNAPPY_DEFAULT 0)        # SNAPPY is disabled by default, enable with -DSNAPPY=1 cmake command line agrument
-set(USE_LZ4_DEFAULT 0)           # LZ4 is disabled by default, enable with -DLZ4=1 cmake command line agrument
-set(USE_ZLIB_DEFAULT 0)          # ZLIB is disabled by default, enable with -DZLIB=1 cmake command line agrument
-set(USE_XPRESS_DEFAULT 0)        # XPRESS is disabled by default, enable with -DXPRESS=1 cmake command line agrument
-
+# TODO: Make this work with find_package and/or get rid of it
 #
 # This example assumes all the libraries locate in directories under THIRDPARTY_HOME environment variable
 # Set environment variable THIRDPARTY_HOME to point to your third party libraries home (Unix style dir separators)
@@ -17,7 +9,7 @@ set(USE_XPRESS_DEFAULT 0)        # XPRESS is disabled by default, enable with -D
 set (THIRDPARTY_LIBS "")         # Initialization, don't touch
 
 #
-# Edit these 4 lines to define paths to GFLAGS
+# Defaults
 #
 set(GFLAGS_HOME $ENV{THIRDPARTY_HOME}/Gflags.Library)
 set(GFLAGS_INCLUDE ${GFLAGS_HOME}/inc/include)
@@ -25,16 +17,12 @@ set(GFLAGS_LIB_DEBUG ${GFLAGS_HOME}/bin/debug/amd64/gflags.lib)
 set(GFLAGS_LIB_RELEASE ${GFLAGS_HOME}/bin/retail/amd64/gflags.lib)
 
 # ================================================== GFLAGS ==================================================
-#
-# Don't touch these lines
-#
-if (DEFINED GFLAGS)
-  set(USE_GFLAGS ${GFLAGS})
-else ()
-  set(USE_GFLAGS ${USE_GFLAGS_DEFAULT})
+# For compatibility
+if (GFLAGS)
+  set(WITH_GFLAGS ON)
 endif ()
 
-if (${USE_GFLAGS} EQUAL 1)
+if (WITH_GFLAGS)
   message(STATUS "GFLAGS library is enabled")
   
   if(DEFINED ENV{GFLAGS_INCLUDE})
@@ -68,16 +56,12 @@ set(SNAPPY_INCLUDE ${SNAPPY_HOME}/inc/inc)
 set(SNAPPY_LIB_DEBUG ${SNAPPY_HOME}/bin/debug/amd64/snappy.lib)
 set(SNAPPY_LIB_RELEASE ${SNAPPY_HOME}/bin/retail/amd64/snappy.lib)
 
-#
-# Don't touch these lines
-#
-if (DEFINED SNAPPY)
-  set(USE_SNAPPY ${SNAPPY})
-else ()
-  set(USE_SNAPPY ${USE_SNAPPY_DEFAULT})
+# For compatibility
+if(SNAPPY)
+  set(WITH_SNAPPY ON)
 endif ()
 
-if (${USE_SNAPPY} EQUAL 1)
+if (WITH_SNAPPY)
   message(STATUS "SNAPPY library is enabled")
   
   if(DEFINED ENV{SNAPPY_INCLUDE})
@@ -115,12 +99,10 @@ set(LZ4_LIB_RELEASE ${LZ4_HOME}/bin/retail/amd64/lz4.lib)
 # Don't touch these lines
 #
 if (DEFINED LZ4)
-  set(USE_LZ4 ${LZ4})
-else ()
-  set(USE_LZ4 ${USE_LZ4_DEFAULT})
+  set(WITH_LZ4 ON)
 endif ()
 
-if (${USE_LZ4} EQUAL 1)
+if (WITH_LZ4)
   message(STATUS "LZ4 library is enabled")
   
   if(DEFINED ENV{LZ4_INCLUDE})
@@ -157,13 +139,13 @@ set(ZLIB_LIB_RELEASE ${ZLIB_HOME}/bin/retail/amd64/zlib.lib)
 #
 # Don't touch these lines
 #
-if (DEFINED ZLIB)
-  set(USE_ZLIB ${ZLIB})
-else ()
-  set(USE_ZLIB ${USE_ZLIB_DEFAULT})
+
+# For compatibilty
+if (ZLIB)
+  set(WITH_ZLIB ON)
 endif ()
 
-if (${USE_ZLIB} EQUAL 1)
+if (WITH_ZLIB)
   message(STATUS "ZLIB library is enabled")
 
   if(DEFINED ENV{ZLIB_INCLUDE})
@@ -188,13 +170,12 @@ else ()
   message(STATUS "ZLIB library is disabled")
 endif ()
 
-if (DEFINED XPRESS)
-  set(USE_XPRESS ${XPRESS})
-else ()
-  set(USE_XPRESS ${USE_XPRESS_DEFAULT})
+# For compatibilty
+if (XPRESS)
+  set(WITH_XPRESS ON)
 endif ()
 
-if (${USE_XPRESS} EQUAL 1)
+if (WITH_XPRESS)
   message(STATUS "XPRESS is enabled")
 
   add_definitions(-DXPRESS)
@@ -218,7 +199,7 @@ set(JEMALLOC_LIB_RELEASE ${JEMALLOC_HOME}/bin/retail/amd64/jemalloc.lib)
 # Don't touch these lines
 #
 
-# For compatibilty with previous
+# For compatibilty
 if(JEMALLOC)
   set(WITH_JEMALLOC ON)
 endif()