Index: trunk/LMDZ.COMMON/arch/arch-X64_MESU.fcm
===================================================================
--- trunk/LMDZ.COMMON/arch/arch-X64_MESU.fcm	(revision 1644)
+++ trunk/LMDZ.COMMON/arch/arch-X64_MESU.fcm	(revision 1645)
@@ -4,4 +4,5 @@
 %MAKE                gmake
 %FPP_FLAGS           -P -traditional
+%CPP_FLAGS           -P
 %FPP_DEF             NC_DOUBLE LAPACK BLAS SGEMV=DGEMV SGEMM=DGEMM FFT_MKL
 %BASE_FFLAGS         -integer-size 32 -real-size 64 -fp-model strict -align all -mcmodel=medium -auto -ip
@@ -9,4 +10,6 @@
 %DEV_FFLAGS          -p -g -O1 -fpe0 -traceback
 %DEBUG_FFLAGS        -p -g -O0 -fpe0 -ftrapuv -fp-stack-check -check bounds,format,output_conversion,pointers,uninit -debug -traceback
+%C_COMPILER          gcc
+%C_OPTIM             -O3
 %MPI_FFLAGS
 %OMP_FFLAGS          -openmp -openmp-threadprivate compat
Index: trunk/LMDZ.COMMON/arch/arch-X64_OCCIGEN.fcm
===================================================================
--- trunk/LMDZ.COMMON/arch/arch-X64_OCCIGEN.fcm	(revision 1644)
+++ trunk/LMDZ.COMMON/arch/arch-X64_OCCIGEN.fcm	(revision 1645)
@@ -4,4 +4,5 @@
 %MAKE                gmake
 %FPP_FLAGS           -P -traditional
+%CPP_FLAGS           -P
 %FPP_DEF             NC_DOUBLE LAPACK BLAS SGEMV=DGEMV SGEMM=DGEMM FFT_MKL
 %BASE_FFLAGS         -i4 -r8 -auto -mcmodel=medium -align all -fp-model strict
@@ -9,4 +10,6 @@
 %DEV_FFLAGS          -p -g -O1 -fpe0 -traceback
 %DEBUG_FFLAGS        -p -g -O0 -fpe0 -ftrapuv -fp-stack-check -check bounds,format,output_conversion,pointers,uninit -debug -traceback
+%C_COMPILER          gcc
+%C_OPTIM             -O3
 %MPI_FFLAGS
 %OMP_FFLAGS          -openmp -openmp-threadprivate compat