update Makefile to compile with icpx (#1363)

Roy-Rupak · rupakroyintel · web-flow · commit fdb109641af2 · 2023-02-15T22:26:15.000-08:00
Co-authored-by: rupakroyintel &lt;rupakroy@rupakroy-mobl1.amr.corp.intel.com&gt;
diff --git a/DirectProgramming/C++/GraphTraversal/MergesortOMP/Makefile b/DirectProgramming/C++/GraphTraversal/MergesortOMP/Makefile
@@ -1,9 +1,9 @@
-CXX := icpc
+CXX := icpx
 SRCDIR := src
 BUILDDIR := release
-CFLAGS := -O3 -ipo -qopenmp -std=c++11
+CFLAGS := -O3 -flto -qopenmp -std=c++11
 EXTRA_CFLAGS :=
-LIBFLAGS := -qopenmp
+LIBFLAGS := -flto -qopenmp
 
 ifdef perf_num
 	EXTRA_CFLAGS += -D PERF_NUM
