Merge pull request #4265 from martin-frbg/issue4228

Fix compilation with (the fortran compiler from) Cray CCE

Makefile

@@ -35,7 +35,11 @@ export NO_LAPACK
 export C_LAPACK
 endif
 
+ifeq ($(F_COMPILER),CRAY)
+LAPACK_NOOPT := $(filter-out -O0 -O1 -O2 -O3 -Ofast -Og -Os,$(LAPACK_FFLAGS))
+else
 LAPACK_NOOPT := $(filter-out -O0 -O1 -O2 -O3 -Ofast -O -Og -Os,$(LAPACK_FFLAGS))
+endif
 
 SUBDIRS_ALL = $(SUBDIRS) test ctest utest exports benchmark ../laswp ../bench cpp_thread_test
 

Makefile.system

@@ -1642,11 +1642,11 @@ endif
 
 ifeq ($(F_COMPILER),NAG)
 LAPACK_FFLAGS := $(filter-out -msse3 -mssse3 -msse4.1 -mavx -mavx2 -mskylake-avx512 ,$(FFLAGS))
-FFLAGS := $(filter-out -msse3 -mssse3 -msse4.1 -mavx -mavx2 -mskylake-avx512 ,$(FFLAGS))
+override FFLAGS := $(filter-out -msse3 -mssse3 -msse4.1 -mavx -mavx2 -mskylake-avx512 ,$(FFLAGS))
 endif
 ifeq ($(F_COMPILER),CRAY)
 LAPACK_FFLAGS := $(filter-out -msse3 -mssse3 -msse4.1 -mavx -mavx2 -mskylake-avx512 ,$(FFLAGS))
-FFLAGS := $(filter-out -msse3 -mssse3 -msse4.1 -mavx -mavx2 -mskylake-avx512 ,$(FFLAGS))
+override FFLAGS := $(filter-out -msse3 -mssse3 -msse4.1 -mavx -mavx2 -mskylake-avx512 ,$(FFLAGS))
 endif
 
 LAPACK_CFLAGS = $(CFLAGS)