eden: add C datapack/treemanifest to cmake build

Summary:
This requires our mercurial repo to be available during
the build; I symlink it in alongside `common` in the `oss` dir,
and point it up to `scm/hg`.

This has partial support for mononoke too, but will need to add
logic to getdeps to pull down the proxygen repo and build that.

Reviewed By: simpkins

Differential Revision: D13480146

fbshipit-source-id: 54874245015af83a259f56944d2e5f87615baee7

CMake/EdenConfigChecks.cmake

@@ -11,6 +11,7 @@ find_package(wangle CONFIG REQUIRED)
 find_package(FBThrift CONFIG REQUIRED)
 find_package(Yarpl MODULE REQUIRED)
 find_package(GMock MODULE REQUIRED)
+find_package(OpenSSL MODULE REQUIRED)
 
 find_package(SELinux)
 set(EDEN_HAVE_SELINUX ${SELINUX_FOUND})
@@ -33,6 +34,7 @@ find_package(cpptoml REQUIRED)
 # We currently do not have treemanifest support in the opensource build
 set(EDEN_HAVE_HG_TREEMANIFEST OFF)
 set(EDEN_WIN_NO_RUST_DATAPACK ON)
+set(EDEN_WIN_NOMONONOKE ON)
 
 # TODO(strager): Support systemd in the opensource build.
 set(EDEN_HAVE_SYSTEMD OFF)

CMake/FBMercurialFeatures.cmake

@@ -0,0 +1,47 @@
+# TODO: once we've gotten the rust datapack code integrated and
+# building, update getdeps.py to optionally pull from the fb-mercurial
+# repo on github and adjust this logic to use either the code from
+# the local fbsource repo when building at FB, or from the
+# external dir when building the OSS build.
+if (IS_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/fb-mercurial)
+  include_directories(${CMAKE_CURRENT_SOURCE_DIR}/fb-mercurial)
+  add_library(
+    libmpatch
+    STATIC
+      fb-mercurial/mercurial/mpatch.c
+  )
+
+  add_library(
+    buffer
+    STATIC
+      fb-mercurial/lib/clib/buffer.c
+  )
+
+  add_library(
+    datapack
+    STATIC
+      fb-mercurial/hgext/extlib/cstore/datapackstore.cpp
+      fb-mercurial/hgext/extlib/cstore/deltachain.cpp
+      fb-mercurial/hgext/extlib/cstore/uniondatapackstore.cpp
+      fb-mercurial/hgext/extlib/ctreemanifest/manifest.cpp
+      fb-mercurial/hgext/extlib/ctreemanifest/manifest_entry.cpp
+      fb-mercurial/hgext/extlib/ctreemanifest/manifest_fetcher.cpp
+      fb-mercurial/hgext/extlib/ctreemanifest/manifest_ptr.cpp
+      fb-mercurial/hgext/extlib/ctreemanifest/treemanifest.cpp
+      fb-mercurial/lib/cdatapack/cdatapack.c
+  )
+  target_link_libraries(
+    datapack
+    PUBLIC
+      libmpatch
+      buffer
+      ${OPENSSL_LIBRARIES}
+  )
+  target_include_directories(
+    datapack
+    PUBLIC
+    ${OPENSSL_INCLUDE_DIR}
+  )
+
+  set(EDEN_HAVE_HG_TREEMANIFEST ON)
+endif()

CMake/eden-config.h.in

@@ -12,7 +12,7 @@
 
 #define EDEN_VERSION "${PACKAGE_VERSION}"
 
-#cmakedefine EDEN_HAVE_HG_TREEMANIFEST
+#cmakedefine01 EDEN_HAVE_HG_TREEMANIFEST
 #cmakedefine EDEN_HAVE_ROCKSDB
 #cmakedefine EDEN_HAVE_SELINUX
 #cmakedefine EDEN_HAVE_SQLITE3

CMakeLists.txt

@@ -30,13 +30,15 @@ set(CMAKE_CXX_STANDARD 17)
 include(CompilerSettingsUnix)
 include(EdenConfigChecks)
 include(ThriftCppLibrary)
+include(FBMercurialFeatures)
+
+include_directories(BEFORE ${CMAKE_CURRENT_BINARY_DIR})
+
+add_subdirectory(common)
+add_subdirectory(eden/fs)
 
 configure_file(
   ${CMAKE_CURRENT_SOURCE_DIR}/CMake/eden-config.h.in
   ${CMAKE_CURRENT_BINARY_DIR}/eden/fs/eden-config.h
 )
 
-include_directories(BEFORE ${CMAKE_CURRENT_BINARY_DIR})
-
-add_subdirectory(common)
-add_subdirectory(eden/fs)

eden/fs/store/CMakeLists.txt

@@ -15,3 +15,6 @@ target_link_libraries(
 
 add_subdirectory(hg)
 add_subdirectory(git)
+if (NOT EDEN_WIN_NOMONONOKE)
+  add_subdirectory(mononoke)
+endif()

eden/fs/store/hg/CMakeLists.txt

@@ -4,12 +4,21 @@ add_library(
   eden_store_hg STATIC
     ${STORE_HG_SRCS}
 )
+
+if (NOT EDEN_WIN_NOMONONOKE)
+  list(APPEND EDEN_STORE_HG_OPTIONAL_DEPS eden_store_mononoke)
+endif()
+if (EDEN_HAVE_HG_TREEMANIFEST)
+  list(APPEND EDEN_STORE_HG_OPTIONAL_DEPS datapack)
+endif()
+
 target_link_libraries(
   eden_store_hg
   PUBLIC
     eden_model
     eden_store
     eden_utils
+    ${EDEN_STORE_HG_OPTIONAL_DEPS}
 )
 
 add_executable(

eden/fs/store/mononoke/CMakeLists.txt

@@ -0,0 +1,13 @@
+# FIXME: need to pull in proxygen for this
+file(GLOB STORE_MONONOKE_SRCS "*.cpp")
+add_library(
+  eden_store_mononoke STATIC
+    ${STORE_MONONOKE_SRCS}
+)
+target_link_libraries(
+  eden_store_mononoke
+  PUBLIC
+    eden_model
+    eden_store
+    eden_utils
+)