diff -urN WRF-4.z.orig/arch/configure.defaults WRF-4.z/arch/configure.defaults
--- WRF-4.z.orig/arch/configure.defaults	2021-01-16 01:21:58.000000000 +0800
+++ WRF-4.z/arch/configure.defaults	2023-04-12 15:50:09.584498196 +0800
@@ -302,16 +302,16 @@
 SFC             =       ifort
 SCC             =       icc
 CCOMP           =       icc
-DM_FC           =       mpif90 -f90=$(SFC)
-DM_CC           =       mpicc -cc=$(SCC)
+DM_FC           =       mpiifort
+DM_CC           =       mpiicc
 FC              =       CONFIGURE_FC
 CC              =       CONFIGURE_CC
 LD              =       $(FC)
 RWORDSIZE       =       CONFIGURE_RWORDSIZE
 PROMOTION       =       -real-size `expr 8 \* $(RWORDSIZE)` -i4
 ARCH_LOCAL      =       -DNONSTANDARD_SYSTEM_FUNC  -DWRF_USE_CLM
-CFLAGS_LOCAL    =       -w -O3 -ip #-xHost -fp-model fast=2 -no-prec-div -no-prec-sqrt -ftz -no-multibyte-chars # -DRSL0_ONLY
-LDFLAGS_LOCAL   =       -ip #-xHost -fp-model fast=2 -no-prec-div -no-prec-sqrt -ftz -align all -fno-alias -fno-common
+CFLAGS_LOCAL    =       -w -O3 -ip -xHost -fp-model fast=2 -no-prec-div -no-prec-sqrt -ftz -no-multibyte-chars # -DRSL0_ONLY
+LDFLAGS_LOCAL   =       -ip -xHost -fp-model fast=2 -no-prec-div -no-prec-sqrt -ftz -align all -fno-alias -fno-common
 CPLUSPLUSLIB    =       
 ESMF_LDFLAG     =       $(CPLUSPLUSLIB)
 FCOPTIM         =       -O3
@@ -323,7 +323,7 @@
 FCSUFFIX        =
 BYTESWAPIO      =       -convert big_endian
 RECORDLENGTH    =       -assume byterecl
-FCBASEOPTS_NO_G =       -ip -fp-model precise -w -ftz -align all -fno-alias $(FORMAT_FREE) $(BYTESWAPIO) #-xHost -fp-model fast=2 -no-heap-arrays -no-prec-div -no-prec-sqrt -fno-common
+FCBASEOPTS_NO_G =       -ip -fp-model fast=2 -w -ftz -align all -fno-alias $(FORMAT_FREE) $(BYTESWAPIO) #-xHost -fp-model fast=2 -no-heap-arrays -no-prec-div -no-prec-sqrt -fno-common
 FCBASEOPTS      =       $(FCBASEOPTS_NO_G) $(FCDEBUG)
 MODULE_SRCH_FLAG =     
 TRADFLAG        =      CONFIGURE_TRADFLAG