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/usr/lib/libhdf4.settings is in libhdf4-dev 4.2.12-3.

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	    SUMMARY OF THE HDF4 CONFIGURATION
	    =================================

General Information:
-------------------
		   HDF4 Version: 4.2.12
		 Configure mode: production
		      Libraries: 
	     Installation point: /usr

Compiling Options:
------------------
               Compilation Mode: production
                     C compiler: /usr/bin/gcc
                         CFLAGS:  -O2 -fdebug-prefix-map=/build/libhdf4-4.2.12=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -O3 -fomit-frame-pointer
                       CPPFLAGS: -Wdate-time -D_FORTIFY_SOURCE=2 -DBIG_LONGS -DSWAP 
               Shared Libraries: yes
               Static Libraries: yes
  Statically Linked Executables: no
                        LDFLAGS: -Wl,-z,relro -Wl,-z,now
 	 	Extra libraries: -ljpeg -lz 
 		       Archiver: ar
 		 	 Ranlib: ranlib

Languages:
----------
                        Fortran: yes
               Fortran Compiler: /usr/bin/gfortran
                         FFLAGS:  -O2 -fdebug-prefix-map=/build/libhdf4-4.2.12=. -fstack-protector-strong -O

                           Java: no

Features:
---------
               SZIP compression: disabled
   Support for netCDF API 2.3.2: yes