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Hello, According to the config.log file attached, the CFLAGS, CPPFLAGS, etc, are not set. ac_cv_c_ieeefloat=yes ac_cv_env_CC_set= ac_cv_env_CC_value= ac_cv_env_CFLAGS_set= ac_cv_env_CFLAGS_value= ac_cv_env_CPPFLAGS_set= ac_cv_env_CPPFLAGS_value= ac_cv_env_CPP_set= Try the following command: $ LD_LIBRARY_PATH=/data/gpfs/assoc/ataq/xsun/libraries/zlib/lib:/storage/highspeed/apps/hdf5-1.8.18_ifc17/lib" CPPFLAGS="-I/storage/highspeed/apps/hdf5-1.8.18_ifc17/include" LDFLAGS="-L/storage/highspeed/apps/hdf5-1.8.18_ifc17/lib" ./configure --prefix=/storage/highspeed/apps/netcdf_4.4.0_ifc17_disable4 Let us know if that does not fix the problem; if it doesn't, please send the config.log file generated. Thank you! -Ward > Hi, > > I do look into support section, and tried various things but still cannot > fix the problem. > > Here are my settings: > in cshrc > setenv LD_LIBRARY_PATH > "/data/gpfs/assoc/ataq/xsun/libraries/zlib/lib:/storage/highspeed/apps/hdf5-1.8.18_ifc17/lib" > > [jhuang@ncaqc2017 netcdf-c-4.4.0]$ echo $CPPFLAGS > -I/storage/highspeed/apps/hdf5-1.8.18_ifc17/include > > [jhuang@ncaqc2017 netcdf-c-4.4.0]$ echo $LDFLAGS > -L/storage/highspeed/apps/hdf5-1.8.18_ifc17/lib > > [image: image.png] > config.log is attached > configure: error: Can't find or link to the hdf5 library. Use > --disable-netcdf-4, or see config.log for errors. > > Any suggestions will be appreciated. > > > Thank you! > Joey Huang > > Ticket Details =================== Ticket ID: QUL-567657 Department: Support netCDF Priority: Normal Status: Closed =================== NOTE: All email exchanges with Unidata User Support are recorded in the Unidata inquiry tracking system and then made publicly available through the web. If you do not want to have your interactions made available in this way, you must let us know in each email you send to us.