CCfits - HEASARC - NASA

2.2 Building 6
2.2.1 Instructions for Building CCfits on UNIX-like platforms:
1. Configure
By default, the GCC compiler and linker will be used. If you want to compile and
link with a different compiler and linker, you can set some environment variable before
running the configure script. For example, to use Sun’s C++ compiler, do the following:
> setenv CXX CC (csh syntax)
or
> export CXX=CC (bash syntax)
You can set the absolute path to the compiler you want to use if necessary.
CCfits requires that the CFITSIO package, version 3.08 or later, is available on your
system. See
http://heasarc.gsfc.nasa.gov/docs/software/fitsio/fitsio.-
html
for more information. The configure script that you will run takes an option to specify
the location of the CFITSIO package.
If the CFITSIO package is installed in a directory consisting of a ’lib’ subdirectory containing
"libcfitsio.a" or "libcfitsio.so" and an ’include’ subdirectory containing "fitsio.-
h", then you can run the configure script with a single option. For example, if the cfitsio
package is installed in this fashion in /usr/local/cfitsio/ then the configure script option
will be
--with-cfitsio=/usr/local/cfitsio
If the CFITSIO package is not installed in the above manner, then you need to run the
configure script with two options, one to specify the include directory and the other to
specify the library directory. For example, if the cfitsio package was built in /home-
/user/cfitsio/ then the two options will be
--with-cfitsio-include=/home/user/cfitsio --with-cfitsio-libdir=/home/user/cfitsio
For users of HEASOFT (instead of stand-alone CFITSIO): Note that modern distributions
of HEASOFT only include a "libcfitsio_X.XX.so" library by default, but the
configure script needs to find "libcfitsio.so", so you will need to create a symbolic link
in $HEADAS/lib/ linking libcfitsio.so -> libcfitsio_X.XX.so in order for CCfits to configure
properly. You can then configure CCfits using "--with-cfitsio=$HEADAS/lib".
You have the option of carrying out the build in a separate directory from the source
directory or in the same directory as the source. In either case, you need to run the
configure script in the directory where the build will occur. For example, if building
in the source directory with the cfitsio directory in /usr/local/cfitsio/ then the configure
command should be issued like this:
> ./configure --with-cfitsio=/usr/local/cfitsio
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