The Cray v15.0.1 compiler is make optimizations of the derived type l…

…ogical members that leads to incorrect values when ICAR is setting logical values after reading from namelists. Turning optimization off for the options_obs.F90 will fix this issue.

src/makefile

@@ -328,6 +328,14 @@ ASSERT=-DUSE_ASSERTIONS=$(USE_ASSERTIONS)
 LFLAGS=$(LINK) $(PROF) $(CAF_FLAG) $(CAF_LINK) $(LIBNETCDF) $(LIBFFT)
 FFLAGS=$(COMP) $(PROF) $(CAF_FLAG) $(PREPROC) -DVERSION=\"$(GIT_VERSION)\" $(INCNETCDF) $(INCFFT) $(MODOUTPUT) $(ASSERT)
 
+# this line is to handle the fact the Cray compiler does optimizations that
+# make setting logical values in derived types unrealiable in options_obs.F90
+ifeq ($(COMPILER), cray)
+	OPTIONS_FLAGS=${FFLAGS} -O0
+else
+	OPTIONS_FLAGS=${FFLAGS}
+endif
+
 $(info $$NODENAME    = ${NODENAME})
 $(info $$FC          = ${F90})
 $(info $$FFTW_PATH   = ${FFTW_PATH})
@@ -592,6 +600,9 @@ caf_threads_test: $(BUILD)test_caf_threads.o
 #	Generic compilation rules
 ###################################################################
 
+$(BUILD)options_obj.o: $(OBJECTS)options_obj.f90
+	${F90} ${OPTIONS_FLAGS} $< -o $@
+
 $(BUILD)%.o: $(UTIL)%.f90
 	${F90} ${FFLAGS} $< -o $@