From 88ea98f217293804a0df0ea8410c3e3363194ec6 Mon Sep 17 00:00:00 2001
From: Kazem <kazem.cheshmi@gmail.com>
Date: Sat, 4 Dec 2021 15:20:53 -0500
Subject: [PATCH] build issue

---
 CMakeLists.txt | 17 ++++++++++-------
 README.md      |  4 ++--
 2 files changed, 12 insertions(+), 9 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 035685c..7439f2b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -42,13 +42,6 @@ set(LBC_INC "${CMAKE_CURRENT_SOURCE_DIR}/include")
 set(LBC_SRC "${CMAKE_CURRENT_SOURCE_DIR}/src")
 AUX_SOURCE_DIRECTORY(${LBC_SRC} LBC_SRC_FILES)
 
-
-include(metis)
-if(METIS_FOUND)
-    add_definitions(-DMETIS)
-    set(METIS_SOURCE_FILES "${SPARSE_UTIL_SRC}/metis_interface.cpp")
-endif()
-
 find_package(OpenMP)
 if(OpenMP_FOUND)
     if(APPLE) #TODO: there might be a better support
@@ -57,10 +50,20 @@ if(OpenMP_FOUND)
     include_directories(
             ${OpenMP_CXX_INCLUDE_DIRS}
     )
+    link_libraries(
+            OpenMP::OpenMP_CXX
+    )
     add_definitions(-DENABLE_OPENMP)
     add_definitions(-D__OPENMP__)
 endif()
 
+include(metis)
+if(METIS_FOUND)
+    add_definitions(-DMETIS)
+    set(METIS_SOURCE_FILES "${SPARSE_UTIL_SRC}/metis_interface.cpp")
+endif()
+
+
 file(GLOB_RECURSE EXT_SRC ${CMAKE_CURRENT_SOURCE_DIR}/utils/external/*.cpp
         ${CMAKE_CURRENT_SOURCE_DIR}/utils/external/*.c)
 add_library(sym_amd STATIC
diff --git a/README.md b/README.md
index fbd8876..3dffa94 100644
--- a/README.md
+++ b/README.md
@@ -14,8 +14,8 @@ It can be used within code generators or libraries. For more information see
 ### Prerequisites 
 * CMake
 * C++ compiler (GCC, ICC, or CLang)
-* METIS (optional) dependency for running the demo efficiently 
-and is handled by the cmake.
+* METIS and OpenMP (optional) dependency for running the demo efficiently 
+and are handled by the cmake.
 
 ### Linux
 Then install LBC by following commands: