diff -Naur metis-5.1.0/GKlib/GKlibSystem.cmake metis-5.1.0.patched/GKlib/GKlibSystem.cmake
--- metis-5.1.0/GKlib/GKlibSystem.cmake	2013-03-30 12:24:45.000000000 -0400
+++ metis-5.1.0.patched/GKlib/GKlibSystem.cmake	2018-12-07 16:22:58.491427261 -0500
@@ -33,7 +33,7 @@
       set(GKlib_COPTIONS "${GKlib_COPTIONS} -fPIC")
   endif(NOT MINGW)
 # GCC warnings.
-  set(GKlib_COPTIONS "${GKlib_COPTIONS} -Wall -pedantic -Wno-unused-but-set-variable -Wno-unused-variable -Wno-unknown-pragmas")
+  set(GKlib_COPTIONS "${GKlib_COPTIONS} -Wall -pedantic -Wno-misleading-indentation -Wno-unused-but-set-variable -Wno-unused-variable -Wno-unknown-pragmas")
 elseif(${CMAKE_C_COMPILER_ID} MATCHES "Sun")
 # Sun insists on -xc99.
   set(GKlib_COPTIONS "${GKlib_COPTIONS} -xc99")