From 2644031ac8258528344d380e815aee75e291e0f3 Mon Sep 17 00:00:00 2001
From: Paul Sutton <paul@softwareradiosystems.com>
Date: Mon, 16 Jan 2017 16:23:10 +0000
Subject: [PATCH] Adding option to statically link MKL

---
 CMakeLists.txt              |  3 ++-
 cmake/modules/FindMKL.cmake | 32 ++++++++++++++++++++++++++------
 srslte/lib/CMakeLists.txt   | 15 +++++++++++----
 3 files changed, 39 insertions(+), 11 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index fec7856b9..86df46c34 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -52,6 +52,7 @@ configure_file(
 # Options
 ########################################################################
 option(DisableMEX "DisableMEX" ON)
+option(StaticMKL "StaticMKL" OFF)
 
 ########################################################################
 # Install Dirs
@@ -98,7 +99,7 @@ endif(CMAKE_COMPILER_IS_GNUCXX)
 
 if(CMAKE_COMPILER_IS_GNUCC)
   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wno-write-strings -Wno-format-extra-args -Winline -Wno-unused-result -Wno-format -std=c99 -D_GNU_SOURCE -g")
-    
+
   if(${CMAKE_BUILD_TYPE} STREQUAL "Debug")
     find_package(SSE)
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O0")
diff --git a/cmake/modules/FindMKL.cmake b/cmake/modules/FindMKL.cmake
index 2320cf065..ef9d53379 100644
--- a/cmake/modules/FindMKL.cmake
+++ b/cmake/modules/FindMKL.cmake
@@ -5,23 +5,43 @@
 #  MKL_LIBRARIES - The libraries needed to use mkl
 #  MKL_DEFINITIONS - Compiler switches required for using mkl
 
-find_path(MKL_INCLUDE_DIR 
+find_path(MKL_INCLUDE_DIRS
             NAMES mkl.h
             HINTS $ENV{MKL_DIR}/include
             PATHS)
 
-find_library(MKL_LIBRARY 
+find_library(MKL_LIBRARIES
             NAMES mkl_rt
             HINTS $ENV{MKL_DIR}/lib/intel64
             PATHS)
 
-set(MKL_LIBRARIES ${MKL_LIBRARY} )
-set(MKL_INCLUDE_DIRS ${MKL_INCLUDE_DIR} )
+find_library(MKL_CORE
+            NAMES libmkl_core.a
+            HINTS $ENV{MKL_DIR}/lib/intel64
+            PATHS)
+
+find_library(MKL_ILP
+            NAMES libmkl_intel_ilp64.a
+            HINTS $ENV{MKL_DIR}/lib/intel64
+            PATHS)
+
+find_library(MKL_SEQ
+            NAMES libmkl_sequential.a
+            HINTS $ENV{MKL_DIR}/lib/intel64
+            PATHS)
+
+set(MKL_STATIC_LIBRARIES -Wl,--start-group ${MKL_CORE} ${MKL_ILP} ${MKL_SEQ} -Wl,--end-group -lpthread -lm -ldl)
 
 include(FindPackageHandleStandardArgs)
 # handle the QUIETLY and REQUIRED arguments and set MKL_FOUND to TRUE
 # if all listed variables are TRUE
 find_package_handle_standard_args(mkl  DEFAULT_MSG
-                                  MKL_LIBRARY MKL_INCLUDE_DIR)
+                                  MKL_LIBRARIES MKL_CORE MKL_ILP MKL_SEQ MKL_INCLUDE_DIRS)
 
-mark_as_advanced(MKL_INCLUDE_DIR MKL_LIBRARY )
+if(MKL_FOUND)
+  MESSAGE(STATUS "Found MKL_INCLUDE_DIRS: ${MKL_INCLUDE_DIRS}" )
+  MESSAGE(STATUS "Found MKL_LIBRARIES: ${MKL_LIBRARIES}" )
+  MESSAGE(STATUS "Found MKL_STATIC_LIBRARIES: ${MKL_STATIC_LIBRARIES}" )
+endif(MKL_FOUND)
+
+mark_as_advanced(MKL_INCLUDE_DIRS MKL_LIBRARIES MKL_CORE MKL_ILP MKL_SEQ)
diff --git a/srslte/lib/CMakeLists.txt b/srslte/lib/CMakeLists.txt
index 3a73d8761..6047ac78d 100644
--- a/srslte/lib/CMakeLists.txt
+++ b/srslte/lib/CMakeLists.txt
@@ -69,10 +69,17 @@ if(NOT DisableMEX)
 endif(NOT DisableMEX)
 
 if(MKL_FOUND)
-  target_link_libraries(srslte ${MKL_LIBRARIES})
-  if(NOT DisableMEX)
-    target_link_libraries(srslte_static ${MKL_LIBRARIES})
-  endif(NOT DisableMEX)
+  if(StaticMKL)
+    target_link_libraries(srslte ${MKL_STATIC_LIBRARIES})
+    if(NOT DisableMEX)
+      target_link_libraries(srslte_static ${MKL_STATIC_LIBRARIES})
+    endif(NOT DisableMEX)
+  else(StaticMKL)
+    target_link_libraries(srslte ${MKL_LIBRARIES})
+    if(NOT DisableMEX)
+      target_link_libraries(srslte_static ${MKL_LIBRARIES})
+    endif(NOT DisableMEX)
+  endif(StaticMKL)
 else(MKL_FOUND)
   target_link_libraries(srslte ${FFTW3F_LIBRARIES})
   if(NOT DisableMEX)