diff --git a/.gitignore b/.gitignore
index f98ca394432eeae4f2ff564c0ebbdef858d0835c..08b2e983b66139671503e34e6a79134346eb9c91 100644
--- a/.gitignore
+++ b/.gitignore
@@ -39,7 +39,12 @@ MY_RUN/KTEST/9??_*
pub/ncl-?.?.?
pub/ncl_ncarg*/
src/dir_obj-*
-src/LIB/grib_api*
+src/LIB/eccodes*
+!src/LIB/eccodes*.tar.gz
src/LIB/hdf5*
+!src/LIB/hdf5*.tar.gz
src/LIB/libaec*
+!src/LIB/libaec*.tar.gz
src/LIB/netcdf*
+!src/LIB/netcdf*.tar.gz
+
diff --git a/conf/profile_mesonh.ihm b/conf/profile_mesonh.ihm
index 7a9aa3618dc70b0056b463ac73f2742d1c3cf7b1..35932ce449f8a49d01f31e862e5834e2c61d8980 100755
--- a/conf/profile_mesonh.ihm
+++ b/conf/profile_mesonh.ihm
@@ -1,7 +1,7 @@
#!/bin/bash
-#MNH_LIC Copyright 1994-2014 CNRS, Meteo-France and Universite Paul Sabatier
+#MNH_LIC Copyright 1994-2020 CNRS, Meteo-France and Universite Paul Sabatier
#MNH_LIC This is part of the Meso-NH software governed by the CeCILL-C licence
-#MNH_LIC version 1. See LICENSE, CeCILL-C_V1-en.txt and CeCILL-C_V1-fr.txt
+#MNH_LIC version 1. See LICENSE, CeCILL-C_V1-en.txt and CeCILL-C_V1-fr.txt
#MNH_LIC for details. version 1.
##########################################################
# #
@@ -81,6 +81,10 @@ export MNH_IOCDF4=${MNH_IOCDF4}
export VER_GRIBAPI=${VER_GRIBAPI}
export VERSION_GRIBAPI=${VERSION_GRIBAPI}
#
+# Version of ecCodes
+#
+export VERSION_ECCODES=${VERSION_ECCODES}
+#
# Version of Def integer
#
export MNH_INT=${MNH_INT}
diff --git a/src/LIB/eccodes-2.18.0-Source.tar.gz b/src/LIB/eccodes-2.18.0-Source.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..f212b62eb2df59168e02d8377b4fd4a225c02db6
--- /dev/null
+++ b/src/LIB/eccodes-2.18.0-Source.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d88943df0f246843a1a062796edbf709ef911de7269648eef864be259e9704e3
+size 11525701
diff --git a/src/LIB/grib_api-1.26.0-Source.tar.gz b/src/LIB/grib_api-1.26.0-Source.tar.gz
deleted file mode 100644
index 149f53758041541499365601725a91107114d57d..0000000000000000000000000000000000000000
--- a/src/LIB/grib_api-1.26.0-Source.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:0ca45544c54a3a67de78a62663d4be6be8d9c95a63f1bd30fcb4c14588ac9501
-size 4857336
diff --git a/src/Makefile b/src/Makefile
index 51dc9e3b157e921db3b884df713ced5410b1597f..ab18d07453a393c771d69d730ff6dc7c1bec4272 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -1,4 +1,4 @@
-#MNH_LIC Copyright 1994-2019 CNRS, Meteo-France and Universite Paul Sabatier
+#MNH_LIC Copyright 1994-2020 CNRS, Meteo-France and Universite Paul Sabatier
#MNH_LIC This is part of the Meso-NH software governed by the CeCILL-C licence
#MNH_LIC version 1. See LICENSE, CeCILL-C_V1-en.txt and CeCILL-C_V1-fr.txt
#MNH_LIC for details. version 1.
@@ -177,7 +177,7 @@ DEP_ALL_USER = $(sort $(filter-out $(IGNORE_DEP_USER) ,$(DEP_USER)) )
.PHONY : all objdirmaster libmaster bibmaster objmaster progmaster
.PHONY : installmaster cleanlibmaster cleanmaster cleanobjmaster cleanprogmaster
-all : gribapi progmaster
+all : eccodes_lib progmaster
objdirmaster : $(OBJDIR_MASTER)/.dummy
@@ -196,7 +196,7 @@ ifeq "$(VER_OASIS)" "OASISAUTO"
depmaster : oasis
endif
-depmaster : gribapi
+depmaster : eccodes_lib
filedepallmaster : $(DEP_ALL_MASTER)
find $(OBJDIR_MASTER) -follow -name "*.D" > $(OBJDIR_MASTER)/filemaster
@@ -335,6 +335,24 @@ gribapi_clean :
- [ -d ${GRIBAPI_PATH} ] && rm -fr ${GRIBAPI_PATH}
##########################################################
# #
+# EXTRA LIB : ecCodes #
+# #
+##########################################################
+eccodes_lib : $(ECCODES_MOD)
+$(ECCODES_MOD) :
+ - [ ! -d $(DIR_ECCODES_BUILD) ] && mkdir -p $(DIR_ECCODES_BUILD)
+ cd ${DIR_ECCODES_BUILD} && \
+ cmake ${DIR_ECCODES_SRC} -DCMAKE_INSTALL_PREFIX=${DIR_ECCODES_INSTALL} -DBUILD_SHARED_LIBS=OFF \
+ -DENABLE_NETCDF=OFF -DENABLE_JPG=OFF -DENABLE_PYTHON=OFF -DENABLE_EXAMPLES=OFF \
+ -DCMAKE_Fortran_COMPILER=$(FC) -DCMAKE_C_COMPILER=$(CC) \
+ -DCMAKE_Fortran_FLAGS=$(ECCODES_FFLAGS) -DCMAKE_C_FLAGS=$(ECCODES_CFLAGS) && \
+ $(MAKE) && $(MAKE) install && $(MAKE) clean
+
+eccodes_lib_clean :
+ - [ -d ${DIR_ECCODES_BUILD} ] && rm -fr ${DIR_ECCODES_BUILD}
+ - [ -d ${DIR_ECCODES_INSTALL} ] && rm -fr ${DIR_ECCODES_INSTALL}
+##########################################################
+# #
# EXTRA LIB : NETCDF #
# #
##########################################################
diff --git a/src/Makefile.MESONH.mk b/src/Makefile.MESONH.mk
index 6c397c8646b31f54249993aa52decfba6e2b450f..969685b2399abb9babf38a0bf84117ea01c7301c 100644
--- a/src/Makefile.MESONH.mk
+++ b/src/Makefile.MESONH.mk
@@ -448,6 +448,21 @@ LIBS += $(LIB_GRIBAPI)
VPATH += $(GRIBAPI_PATH)/include
R64_GRIBAPI=R64
endif
+##########################################################
+# ecCodes library #
+##########################################################
+DIR_ECCODES_SRC?=${SRC_MESONH}/src/LIB/eccodes-${VERSION_ECCODES}-Source
+DIR_ECCODES_BUILD?=${SRC_MESONH}/src/LIB/eccodes-${VERSION_ECCODES}-${ARCH}-R${MNH_REAL}I${MNH_INT}
+DIR_ECCODES_INSTALL?=${OBJDIR_MASTER}/ECCODES-${VERSION_ECCODES}
+ECCODES_MOD?=${DIR_ECCODES_INSTALL}/include/grib_api.mod
+#
+ifdef DIR_ECCODES_SRC
+INC_ECCODES ?= -I${DIR_ECCODES_INSTALL}/include
+LIB_ECCODES ?= -L${DIR_ECCODES_INSTALL}/lib -L${DIR_ECCODES_INSTALL}/lib64 -leccodes_f90 -leccodes
+INC += $(INC_ECCODES)
+LIBS += $(LIB_ECCODES)
+VPATH += $(DIR_ECCODES_INSTALL)/include
+endif
##########################################################
# Librairie OASIS #
diff --git a/src/Rules.LXgfortran.mk b/src/Rules.LXgfortran.mk
index d4e628326b63b2a0ea2910fc46899dbbc18538a4..8701327e70684a8eb310e80819a7534129691b83 100644
--- a/src/Rules.LXgfortran.mk
+++ b/src/Rules.LXgfortran.mk
@@ -130,6 +130,8 @@ MNH_COMPRESS=yes
ifeq ($(shell test $(GFV) -ge 1010 ; echo $$?),0)
OPT_BASE += -fallow-argument-mismatch
GRIB_FLAGS += -fallow-argument-mismatch
+NETCDF_SUPPFLAGS += -fallow-argument-mismatch
+ECCODES_FFLAGS += -fallow-argument-mismatch
endif
##########################################################
# #
diff --git a/src/configure b/src/configure
index a09a94c9e7ce0318079f6ce455cf2456b8247838..b8ddb644163d78cdd5f76d4e80b0afc14a8cd80d 100755
--- a/src/configure
+++ b/src/configure
@@ -1,7 +1,7 @@
#!/bin/bash
#MNH_LIC Copyright 1994-2021 CNRS, Meteo-France and Universite Paul Sabatier
#MNH_LIC This is part of the Meso-NH software governed by the CeCILL-C licence
-#MNH_LIC version 1. See LICENSE, CeCILL-C_V1-en.txt and CeCILL-C_V1-fr.txt
+#MNH_LIC version 1. See LICENSE, CeCILL-C_V1-en.txt and CeCILL-C_V1-fr.txt
#MNH_LIC for details. version 1.
#set -x
#set -e
@@ -17,6 +17,7 @@ export VERSION_HDF=${VERSION_HDF:-"1.12.0"}
export VERSION_CDFC=${VERSION_CDFC:-"4.7.4"}
export VERSION_CDFCXX=${VERSION_CDFCXX:-"4.3.1"}
export VERSION_CDFF=${VERSION_CDFF:-"4.5.3"}
+export VERSION_ECCODES=${VERSION_ECCODES:-"2.18.0"}
export VERSION_GRIBAPI=${VERSION_GRIBAPI:-"1.26.0-Source"}
export MNH_INT=${MNH_INT:-"4"}
export LFI_INT=${LFI_INT:-8}
@@ -552,7 +553,11 @@ fi
#
# Install GRIBAPI
#
-cd $LOCAL/src/LIB ; [ ! -d grib_api-${VERSION_GRIBAPI} ] && [ -f grib_api-${VERSION_GRIBAPI}.tar.gz ] && gunzip -c grib_api-${VERSION_GRIBAPI}.tar.gz |tar -xvf -
+# cd $LOCAL/src/LIB ; [ ! -d grib_api-${VERSION_GRIBAPI} ] && [ -f grib_api-${VERSION_GRIBAPI}.tar.gz ] && gunzip -c grib_api-${VERSION_GRIBAPI}.tar.gz |tar -xvf -
+#
+# Install ecCodes
+#
+cd $LOCAL/src/LIB ; [ ! -d eccodes-${VERSION_ECCODES}-Source ] && [ -f eccodes-${VERSION_ECCODES}-Source.tar.gz ] && gunzip -c eccodes-${VERSION_ECCODES}-Source.tar.gz |tar -xvf -
##########################################################
# #
# RESUME #