Elena , Binh-Minh, I am going to need your help on this, since I am having
trouble building the HDF4 library in a way that netCDF accepts it.
I just realized that the HDF4 version I was using was version 4.2.1 (circa
year 1998) and the current version 4.2.9 has this symbol in h4config.h
/* Define if we support HDF NetCDF-3 APIs */
//#define H4_HAVE_NETCDF 1
So I am guessing here that this must be commented in the HDF4 build, so
that netCDF accepts the HDF4 library without conflicts.
Is this the case?
There are 2 ways to build HDF4 in Windows:
1) Use the supplied Visual Studio projects
2) Use Cmake to generate Visual Studio projects
I tried 1)
"hdf" and "mfhdf" build fine
The current distro does not include the jpeg source. It should.
I had the jpeg source from version 4.2.1, so I can use that, no problem
here.
This was done with
//#define H4_HAVE_NETCDF 1
commented , but I still have the same netCDF errors as in the last email.
So, assuming that the above build was done as it should, I am guessing here
that the root of the problem is this symbol,
used by CMake of netCDF to detect "a" HDF4 header location.
-D"MFHDF_H_INCLUDE_DIR=I:\hdf4-4.2.9-bin\include"
That I assume must include all the HDF4 headers.
Is this correct?
I tried to use
I:\hdf4-4.2.9-bin\include"
this place includes *all* the HDF4 headers, since this is a binary
distribution (I use only the headers, not the libs)
This because the HDF5 *source* header locations includes 'mfhdf.h' and
'h4config.h' in different places.
I realize that this setting is a bit unusual (using source locations for the
headers), but as a developer, binary distributions are totally useless for
me , so
it would be great if anyone could come up with some fix for this
thanks
ps
these are the errors I get while compiling "netcdf4" from the generated
CMake Visual Studio
2>J:\netcdf-c-4.3.1-rc5\include\netcdf_f.h(16): error C2054: expected '(' to
follow 'EXTERNL'
2>J:\netcdf-c-4.3.1-rc5\include\netcdf_f.h(16): error C2085:
'nc_inq_var_chunking_ints' : not in formal parameter list
2>J:\netcdf-c-4.3.1-rc5\include\netcdf_f.h(18): error C2061: syntax error :
identifier 'EXTERNL'
2>J:\netcdf-c-4.3.1-rc5\include\netcdf_f.h(22): error C2054: expected '(' to
follow 'EXTERNL'
2>J:\netcdf-c-4.3.1-rc5\include\netcdf_f.h(23): error C2085:
'nc_open_par_fortran' : not in formal parameter list
[EDIT]
on closer look , these errors are actually different from the one from my
first email
I:\hdf4_explorer\mfhdf\libsrc\netcdf.h(25): fatal error C1083: Cannot open
include file: 'hdfi.h': No such file or directory
so, it seems, that is solved, and this is another issue
----------------------
Pedro Vicente
pedro.vicente@xxxxxxxxxxxxxxxxxx
http://www.space-research.org/
----- Original Message -----
From: "Pedro Vicente" <pvicente@xxxxxxx>
To: <netcdfgroup@xxxxxxxxxxxxxxxx>; "Ward Fisher" <wfisher@xxxxxxxxxxxxxxxx>
Cc: "HDF Users Discussion List" <hdf-forum@xxxxxxxxxxxxxxxxxx>
Sent: Tuesday, December 10, 2013 8:41 PM
Subject: Re: [Hdf-forum] [netcdfgroup] netCDF-C 4.3.1-RC5 Available
Hi Ward
It seems there is still an issue with the CMake HDF4 settings.
This is for Windows
In my case I used
-D"MFHDF_H_INCLUDE_DIR=I:\hdf4_explorer\mfhdf\libsrc"
-D"HDF4_DF_LIB=I:\hdf4_explorer\windows\lib\debug\singlethreaded\hd421d.lib"
-D"HDF4_MFHDF_LIB=I:\hdf4_explorer\windows\lib\debug\singlethreaded\hm421d.lib"
The Cmake generation went fine.
But when I try to build the generated Visual Studio 2010 solution , I get
this error
I:\hdf4_explorer\mfhdf\libsrc\netcdf.h(25): fatal error C1083: Cannot open
include file: 'hdfi.h': No such file or directory
The file <HDF4 root>\mfhdf\libsrc\netcdf.h
is part of the HDF4 distribution.
There are 2 distinct HDF4 libraries, each one with their different
locations and header files.
In the Unix world , I believe when doing
make install
all these headers are copied to the same place.
But this is not necessarily true in Windows. One can just specify any
location for the headers.
I tried to copy 'hdfi.h' to the same location that 'mfhdf.h' is located ,
but then I get a multitude of errors in netCDF, either unknown or
duplicated symbols, due to the fact that the 'netcdf.h'
used is the one from the HDF4 distribution.
I am not really sure how to solve this.
Maybe copy all the HDF4 headers (which ones?) to one place , omitting the
netcdf.h from HDF4 ?
For the autoconf build of HDF4 and netCDF, when enabling HDF4, there are
these flags
for HDF4
--disable-netcdf
"to prevent it from building an HDF4 version of the netCDF-2 library that
conflicts with the netCDF-2 functions that are built into the Unidata
netCDF library."
and for netCDF
--enable-hdf4
http://www.unidata.ucar.edu/software/netcdf/docs/build_hdf4.html
so, it's my understanding that these flags must define some macros in the
code of the *two* libraries (HDF4 and netCDF) that compile some parts of
the code and not others.
Is this the case?
If yes, then maybe setting these macros manually in Windows should do.
Thanks
Pedro
------------
pvicente@xxxxxxx
Department of Earth System Science
3200 Croul Hall
University of California, Irvine
Irvine, CA 92697-3100
----- Original Message -----
From: "Ward Fisher" <wfisher@xxxxxxxxxxxxxxxx>
To: <netcdfgroup@xxxxxxxxxxxxxxxx>
Sent: Friday, December 06, 2013 11:27 AM
Subject: [netcdfgroup] netCDF-C 4.3.1-RC5 Available
Hello all,
The netCDF-C libraries 4.3.1-r5 are now available.
Highlights of this release beyond the previous release candidate include:
* Fixed netCDF-4 failure when renaming a dimension and renaming a
variable using that dimension, in either order. NCF-177
* Fixed bug in ncgen; it was not properly filling empty string constants
("") to be the proper length. NCF-279
* Fixed bug in ncgen where it was interpreting int64 constants as uint64
constants. NCF-278* When opening a netCDF-4 file, streamline the
iteration over objects in the underlying HDF5 file.
* Fixed bug in handling Http Basic Authorization. The code was actually
there but was not being executed. NCF-277
* When compiling with hdf4 support, both autotools and cmake-based builds
now properly look for the libjpeg dependency and will link against it
when found (or complain if it's not). Also added ENABLE_HDF4_FILE_TESTS
option to CMake-based builds.
Complete release notes may be found at:
http://www.unidata.ucar.edu/software/netcdf/docs_rc/release_notes.html
Source-code zip and tar.gz archives can be found at:
* http://github.com/Unidata/netcdf-c/releases/tag/v4.3.1-rc5
Pre-built Windows binaries are available from:
http://www.unidata.ucar.edu/netcdf/docs_rc/winbin.html
Thanks all,
-Ward
Ward Fisher
wfisher@xxxxxxxxxxxxxxxx
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