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It looks like you are using a very old version of libcurl. You can see the version by using the command: curl --version Try it and tell me what version it is reporting. > Full Name: MAN Zhang > Email Address: address@hidden > Organization: university of oklahoma > Package Version: > Operating System: > Hardware: > Description of problem: I try to install netcdf4.4.1 on x86_64 GNU/Linux, > after configure ./configure --prefix=/home/mzhang/tool/met_netcdf > LDFLAGS="-L/home/mzhang/tool/hdf5/lib -L/home/mzhang/tool/zlib/lib" > CPPFLAGS="-I/home/mzhang/tool/hdf5/include -I/home/mzhang/tool/zlib/include" > CC=pgcc, > then make; > the error information is: > libtool: compile: pgcc -DHAVE_CONFIG_H -I. -I.. -I.. -I.. -I../include > -I/home/mzhang/tool/hdf5/include -I/home/mzhang/tool/zlib/include -c > occurlfunctions.c -MD -fpic -DPIC -o .libs/liboc_la-occurlfunctions.o > PGC-S-0091-Integer constant expression required (occurlfunctions.c: 168) > PGC-S-0092-Illegal type conversion of constant required (occurlfunctions.c: > 168) > PGC-S-0039-Use of undeclared variable CURLOPT_USE_SSL (occurlfunctions.c: 225) > PGC/x86-64 Linux 11.8-0: compilation completed with severe errors > make[2]: *** [liboc_la-occurlfunctions.lo] Error 1 > make[2]: Leaving directory `/home/mzhang/tool/netcdf-4.4.1.1/oc2' > make[1]: *** [all-recursive] Error 1 > make[1]: Leaving directory `/home/mzhang/tool/netcdf-4.4.1.1' > make: *** [all] Error 2 > ~ > Does anyone know what is the issue? > ~ > > =Dennis Heimbigner Unidata Ticket Details =================== Ticket ID: XGW-587375 Department: Support netCDF Priority: Normal Status: Open =================== 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.