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Dear Liu Guangping, > The attachment is the error files.The 'readgeneral_error_f' is corresponding > to 'readgeneral.f'.The 'readgeneral_F_error' is corresponding to > 'readgeneral.F'. > The 'readgeneral.F' is '#include<unidints.inc>'. > The 'readgeneral.f'is 'include '/usr/local/src/netcdf/include/netcdf.inc''. The output from attempting to compile and link the file readgeneral.F contained the following: root@lgp-laptop:/host/ubuntufiles/download# g77 -o readgeneral readgeneral.F -I/usr/local/src/udunits/include \-I/usr/local/src/netcdf/include -L/usr/local/src/udunits/lib -ludunits \-L/usr/local/src/netcdf/lib -lnetcdf readgeneral.F: In subroutine `gridread': readgeneral.F:199: #include <udunits.inc> ^ Unrecognized character at (^) [info -f g77 M LEX] This error means that the g77(1) compiler did not recognize the cpp(1) include-directive. According to the g77(1) 3.4.6 manual page, UNIX files which have a capital "F" extension will be preprocessed by cpp(1). Because this was not done, either the operating system is not UNIX, the command given is not the one that was used, or there is something wrong with your g77 3.4.6 installation or my understanding of it (it is possible, for example, that any "-I..." option must come before the input source file). Try preprocessing the file manually. For example g77 -v -E -I/usr/local/src/udunits/include -I/usr/local/src/netcdf/include readgeneral.F > readgeneral.f g77 -v -o readgeneral readgeneral.f -L/usr/local/src/udunits/lib -ludunits -L/usr/local/src/netcdf/lib -lnetcdf > Thank you!Regards,liuguangping > _________________________________________________________________ > 新年换新颜,快来妆扮自己的MSN给心仪的TA一个惊喜! > http://im.live.cn/emoticons/?ID=18 Regards, Steve Emmerson Ticket Details =================== Ticket ID: PPR-301422 Department: Support UDUNITS Priority: Normal Status: Closed