Finished with dwmllib...
-----------------------------
gcc cstart.c -O3 -Wall -fsigned-char -pedantic -DSIZEOF_LONG_INT=8    -D_LINUX_  -D_DWML_ -I../emapf-c -I../mdl_g2c -I../libaat -I../netcdf/libsrc -I../gd -I../zlib/contrib/minizip -I../zlib -I../degrib -I../libxml/include -I../dwmllib  myutil.o clock.o mymapf.o myerror.o myassert.o tendian.o scan.o metaname.o metaparse.o hazard.o weather.o grib1tab.o metaprint.o writeflt.o chain.o writecsv.o writeshp.o writegra.o writenc.o readnc.o interp.o inventory.o probe.o userparse.o tdlpack.o degrib1.o degrib2.o pack.o cube.o drawgrib.o commands.o database.o mapini.o drawlib.o genprobe.o solar.o grpprobe.o sector.o writekml.o split.o myzip.o -L../gd -lgd -L../dwmllib -ldwml -L../libxml/.libs/ -lxml2 -L../mdl_g2c -lmdl_g2c -L../emapf-c/ -lemapf -L../netcdf/libsrc/ -lnetcdf -L../jpeg2000/src/libjasper/jpc/.libs/ -ljpc -L../jpeg2000/src/libjasper/base/.libs/ -lbase -L../libpng -lpng -L../zlib/contrib/minizip -lminizip -L../zlib -lz -L../libaat -laat -L/usr/lib -lm -o degrib
../libxml/.libs//libxml2.a(xmlIO.o): In function `xmlGzfileOpenW':
xmlIO.c:(.text+0x225): undefined reference to `gzopen64'
../libxml/.libs//libxml2.a(xmlIO.o): In function `xmlGzfileOpen_real':
xmlIO.c:(.text+0xdaf): undefined reference to `gzopen64'
collect2: ld returned 1 exit status
make[1]: *** [degrib] Error 1