Philippe 01/02/2023: libaec: provide configure and other files in archive...

Philippe 01/02/2023: libaec: provide configure and other files in archive (instead of using autoreconf that is not available everywhere)

(cherry picked from commit e0a022dd)

src/Makefile

@@ -341,7 +341,7 @@ NETCDF_OPT ?= ${OPT_BASE_I4:-$OPT_BASE}
 #
 cdf : $(CDF_MOD)
 $(CDF_MOD) :
-	cd ${DIR_LIBAEC} && autoreconf -i && ./configure --disable-shared --prefix=${CDF_PATH} --libdir=${CDF_PATH}/lib64 CC="$(CC)" CFLAGS="$(HDF_OPT)" ${CDF_CONF} && \
+	cd ${DIR_LIBAEC} && ./configure --disable-shared --prefix=${CDF_PATH} --libdir=${CDF_PATH}/lib64 CC="$(CC)" CFLAGS="$(HDF_OPT)" ${CDF_CONF} && \
 	$(MAKE) && $(MAKE) install && $(MAKE) clean
 	cd ${DIR_HDF} && ./configure --enable-fortran --disable-shared --prefix=${CDF_PATH} --libdir=${CDF_PATH}/lib64 --with-szlib=${CDF_PATH}/include,${CDF_PATH}/lib64 \
 	CC="$(CC)" CFLAGS="$(HDF_OPT)" ${HDF_CONF} FC="$(FC)" FCFLAGS="$(NETCDF_OPT)" LDFLAGS="-L${CDF_PATH}/lib64" LIBS="-lsz -laec -lz" && \