From 9cf26ed2cb1ddc4b33cd432785bec711f6def477 Mon Sep 17 00:00:00 2001
From: Mark Rowe <mrowe@bdash.net.nz>
Date: Wed, 6 Jan 2016 14:40:53 -0800
Subject: [PATCH] Add an initial pass at a CMake-based build system.

It currently creates a dynamic library, and builds on OS X only.
---
 .gitignore                | 12 ++++++++++++
 .gitmodules               |  3 +++
 CMake/CompilerFlags.cmake | 10 ++++++++++
 CMake/RealmCore.cmake     | 28 ++++++++++++++++++++++++++++
 CMakeLists.txt            | 32 ++++++++++++++++++++++++++++++++
 external/pegtl            |  1 +
 6 files changed, 86 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 .gitmodules
 create mode 100644 CMake/CompilerFlags.cmake
 create mode 100644 CMake/RealmCore.cmake
 create mode 100644 CMakeLists.txt
 create mode 160000 external/pegtl

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 00000000..c1ef0e8a
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,12 @@
+# CMake
+.ninja_deps
+.ninja_log
+CMakeCache.txt
+CMakeFiles/
+Makefile
+build.ninja
+cmake_install.cmake
+rules.ninja
+
+# Build products
+librealm-object-store.dylib
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 00000000..b7e77b91
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "external/pegtl"]
+	path = external/pegtl
+	url = https://github.com/ColinH/PEGTL
diff --git a/CMake/CompilerFlags.cmake b/CMake/CompilerFlags.cmake
new file mode 100644
index 00000000..a5a6bd36
--- /dev/null
+++ b/CMake/CompilerFlags.cmake
@@ -0,0 +1,10 @@
+set(CMAKE_CXX_STANDARD 14)
+set(CMAKE_CXX_STANDARD_REQUIRED on)
+set(CMAKE_CXX_EXTENSIONS off)
+set(CMAKE_BUILD_TYPE CACHE STRING Debug)
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall")
+
+if(${CMAKE_CXX_COMPILER_ID} STREQUAL "Clang" AND ${CMAKE_GENERATOR} STREQUAL "Ninja")
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fcolor-diagnostics")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fcolor-diagnostics")
+endif()
diff --git a/CMake/RealmCore.cmake b/CMake/RealmCore.cmake
new file mode 100644
index 00000000..45a5beff
--- /dev/null
+++ b/CMake/RealmCore.cmake
@@ -0,0 +1,28 @@
+include(ExternalProject)
+
+function(download_realm_core realm_core_version)
+    set(core_url "https://static.realm.io/downloads/core/realm-core-${realm_core_version}.tar.bz2")
+    set(core_directory "${CMAKE_CURRENT_SOURCE_DIR}${CMAKE_FILES_DIRECTORY}/core-${realm_core_version}")
+
+    set(core_library_debug ${core_directory}/librealm-dbg.a)
+    set(core_library_release ${core_directory}/librealm.a)
+
+    ExternalProject_Add(realm-core
+        URL ${core_url}
+        PREFIX ${CMAKE_CURRENT_SOURCE_DIR}${CMAKE_FILES_DIRECTORY}/realm-core
+        DOWNLOAD_DIR ${CMAKE_CURRENT_SOURCE_DIR}${CMAKE_FILES_DIRECTORY}
+        SOURCE_DIR ${core_directory}
+        BUILD_BYPRODUCTS ${core_library_debug} ${core_library_release}
+        USES_TERMINAL_DOWNLOAD 1
+        CONFIGURE_COMMAND ""
+        BUILD_COMMAND ""
+        INSTALL_COMMAND "")
+
+    add_library(realm STATIC IMPORTED)
+    add_dependencies(realm realm-core)
+    set_property(TARGET realm PROPERTY IMPORTED_LOCATION_DEBUG ${core_library_debug})
+    set_property(TARGET realm PROPERTY IMPORTED_LOCATION_RELEASE ${core_library_release})
+    set_property(TARGET realm PROPERTY IMPORTED_LOCATION ${core_library_release})
+
+    set(REALM_CORE_INCLUDE_DIR ${core_directory}/include PARENT_SCOPE)
+endfunction()
diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 00000000..539960b7
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,32 @@
+project(realm-object-store)
+
+cmake_minimum_required(VERSION 3.4.0)
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/CMake")
+
+include(CompilerFlags)
+
+include(RealmCore)
+download_realm_core(0.95.5)
+
+include_directories(${REALM_CORE_INCLUDE_DIR} ${CMAKE_CURRENT_SOURCE_DIR} impl external/pegtl)
+
+set(SOURCES
+    index_set.cpp
+    list.cpp
+    object_schema.cpp
+    object_store.cpp
+    results.cpp
+    schema.cpp
+    shared_realm.cpp
+    impl/transact_log_handler.cpp
+    parser/parser.cpp
+    parser/query_builder.cpp)
+
+if(APPLE)
+    include_directories(impl/apple)
+    list(APPEND SOURCES impl/apple/external_commit_helper.cpp)
+    find_library(CF_LIBRARY CoreFoundation)
+endif()
+
+add_library(realm-object-store SHARED ${SOURCES})
+target_link_libraries(realm-object-store realm ${CF_LIBRARY})
diff --git a/external/pegtl b/external/pegtl
new file mode 160000
index 00000000..49a5b0a4
--- /dev/null
+++ b/external/pegtl
@@ -0,0 +1 @@
+Subproject commit 49a5b0a49e154b362ef9cf1e756dd8673ddd4efe