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Steve, If the g77 was found on your system when pgf90 was installed, PGI says that it will define the appropriate location of libg2c for the -g77libs flag that you are specifying. The problem may be the -Mstandard flag you have sincve the getenv is an f77 extension. Steve Chiswell Unidata User Support > Hello, > > I am trying to compile code, a "wrf to gempak converter" by Steve Decker, > using gemlib.a generated for GEMPAK5.9.1 - Have it down to just these errors > now: > > ============================================================= > pgf90 -o wrf2gem -fast -Mstandard -g77libs dateutil.o diagnostics.o gempak.o > registry.o wrf2gem.o wrf2gemsubs.o /home/skirby/netcdf-3.5.0/lib/libnetcdf.a > /home/skirby/wrf-gempak/GEMPAK5.9.1/os/linux/lib/gemlib.a > /home/skirby/wrf-gempak/GEMPAK5.9.1/os/linux/lib/cgemlib.a > /usr/lib/libf2c.a(endfile.o): In function `t_runc': > endfile.o(.text+0x208): the use of `tmpnam' is dangerous, better use `mkstemp' > /home/skirby/wrf-gempak/GEMPAK5.9.1/os/linux/lib/gemlib.a(ssgsym.o): In > function `ss_gsym_': > ssgsym.o(.text+0x4e): undefined reference to `G77_getenv_0' > ssgsym.o(.text+0x8d): undefined reference to `G77_getenv_0' > gmake: *** [wrf2gem] Error 2 > ============================================================== > > I saw in the unidata mail archives, somebody was seeing a similar error when > compiling a mm5togem code. In response, Steve Chiswell of Unidata support, > said you have to use the same linker in your program as you do for GEMPAK. > Therefore I tried using g77 in the linking portion of the wrf2gempak Makefile > but get lots of errors referencing pgf90. Trying the reverse strategy, I > tried to compile GEMPAK with pgf90 but got slews of errors. Maybe there is an > easier workaround? Thanks.. > > Regards, > Steve > > Ticket Details =================== Ticket ID: WFE-503351 Department: Support GEMPAK Priority: Normal Status: Closed