From b4cc9a9aa83fd9315d7b313ef39b695662b52475 Mon Sep 17 00:00:00 2001
From: Jianpeng Ma <jianpeng.ma@intel.com>
Date: Fri, 20 Oct 2017 00:44:09 +0800
Subject: [PATCH] cmake: Build libpmem from source code.

Signed-off-by: Jianpeng Ma <jianpeng.ma@intel.com>
---
 CMakeLists.txt                  |  7 +++----
 cmake/modules/Findpmem.cmake    | 15 ---------------
 src/os/CMakeLists.txt           | 29 +++++++++++++++++++++++++----
 src/os/bluestore/BlockDevice.cc |  2 +-
 src/os/bluestore/PMEMDevice.cc  |  2 +-
 5 files changed, 30 insertions(+), 25 deletions(-)
 delete mode 100644 cmake/modules/Findpmem.cmake

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9ff17a8f754f7..b69aeb34e81b4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -226,10 +226,9 @@ if(WITH_SPDK)
 endif(WITH_SPDK)
 
 option(WITH_PMEM "Enable PMEM" OFF)
-if(WITH_PMEM)
-  find_package(pmem REQUIRED)
-  set(HAVE_PMEM ${PMEM_FOUND})
-endif(WITH_PMEM)
+if (WITH_PMEM)
+  set(HAVE_PMEM ON)
+endif()
 
 option(WITH_BLUEFS "libbluefs library" OFF)
 
diff --git a/cmake/modules/Findpmem.cmake b/cmake/modules/Findpmem.cmake
deleted file mode 100644
index efcf6828898a1..0000000000000
--- a/cmake/modules/Findpmem.cmake
+++ /dev/null
@@ -1,15 +0,0 @@
-# Try to find libpmem
-#
-# Once done, this will define
-#
-# PMEM_FOUND
-# PMEM_INCLUDE_DIR
-# PMEM_LIBRARY
-
-find_path(PMEM_INCLUDE_DIR NAMES libpmem.h)
-find_library(PMEM_LIBRARY NAMES pmem)
-
-include(FindPackageHandleStandardArgs)
-find_package_handle_standard_args(pmem DEFAULT_MSG PMEM_LIBRARY PMEM_INCLUDE_DIR)
-
-mark_as_advanced(PMEM_INCLUDE_DIR PMEM_LIBRARY)
diff --git a/src/os/CMakeLists.txt b/src/os/CMakeLists.txt
index ad2940449ac20..1e1a1a84cb51a 100644
--- a/src/os/CMakeLists.txt
+++ b/src/os/CMakeLists.txt
@@ -85,10 +85,6 @@ if(WITH_FUSE)
   target_link_libraries(os ${FUSE_LIBRARIES})
 endif()
 
-if(WITH_PMEM)
-  target_link_libraries(os ${PMEM_LIBRARY})
-endif()
-
 if(HAVE_LIBZFS)
   target_link_libraries(os ${ZFS_LIBRARIES})
 endif()
@@ -141,6 +137,31 @@ if(WITH_SPDK)
   endforeach()
 endif(WITH_SPDK)
 
+if(WITH_PMEM)
+  include(ExternalProject)
+  ExternalProject_Add(nvml_ext
+    DOWNLOAD_DIR ${CMAKE_BINARY_DIR}/src/
+    GIT_REPOSITORY "https://github.com/ceph/nvml.git"
+    GIT_TAG "dd5b62dbc2cbbe048087dea"
+    SOURCE_DIR ${CMAKE_BINARY_DIR}/src/nvml
+    CONFIGURE_COMMAND ""
+    BUILD_COMMAND $(MAKE)
+    BUILD_IN_SOURCE 1
+    INSTALL_COMMAND "true")
+
+  ExternalProject_Add_Step(nvml_ext forcebuild
+    DEPENDEES configure
+    DEPENDERS build
+    COMMAND "true"
+    ALWAYS 1)
+  add_library(pmem STATIC IMPORTED GLOBAL)
+  add_dependencies(pmem nvml_ext)
+  set_target_properties(pmem PROPERTIES
+    IMPORTED_LOCATION "${CMAKE_BINARY_DIR}/src/nvml/src/nondebug/libpmem.a")
+  target_link_libraries(os pmem)
+  target_include_directories(os PRIVATE "${CMAKE_BINARY_DIR}/src/nvml/src/include")
+endif(WITH_PMEM)
+
 if(WITH_LTTNG AND WITH_EVENTTRACE)
   add_dependencies(os eventtrace_tp)
 endif()
diff --git a/src/os/bluestore/BlockDevice.cc b/src/os/bluestore/BlockDevice.cc
index ca81952290e02..b6f4dd8a10303 100644
--- a/src/os/bluestore/BlockDevice.cc
+++ b/src/os/bluestore/BlockDevice.cc
@@ -24,7 +24,7 @@
 
 #if defined(HAVE_PMEM)
 #include "PMEMDevice.h"
-#include <libpmem.h>
+#include "libpmem.h"
 #endif
 
 #include "common/debug.h"
diff --git a/src/os/bluestore/PMEMDevice.cc b/src/os/bluestore/PMEMDevice.cc
index 41201e07ef7c9..11f66706a9c34 100644
--- a/src/os/bluestore/PMEMDevice.cc
+++ b/src/os/bluestore/PMEMDevice.cc
@@ -18,9 +18,9 @@
 #include <stdlib.h>
 #include <sys/types.h>
 #include <sys/stat.h>
-#include <libpmem.h>
 
 #include "PMEMDevice.h"
+#include "libpmem.h"
 #include "include/types.h"
 #include "include/compat.h"
 #include "include/stringify.h"
-- 
2.39.5