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Platform configuration files for the SCons based build system
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-------------------------------------------------------------
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<platform>.cfg
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--------------
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The <platform>.cfg files in this directory are used to determine
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the right settings, libraries, source files etc. on the platform
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where you are building Radiance. The build system will select the
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appropriate file automatically.
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If your platform isn't supported yet, then you can create a new
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file with an appropriat name (SCons should tell you what it
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expects). Usually, you will start by copying the file of the most
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similar suupported platform, and then make the necessary changes.
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On unix based platforms without a specific config file, the file
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"posix.cfg" will be used (which may or may not work well enough).
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As of this writing, the following platforms are included
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(although not all of them have been tested very recently):
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* linux.cfg Linux
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* freebsd.cfg FreeBSD unix
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* darwin.cfg Macintosh OS-X
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* sunos.cfg Sun Microsysems Solaris Unix
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* irix.cfg sgi IRIX Unix release 5.x or later
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* irix4.cfg sgi IRIX Unix release 4.x (obsolete)
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* irix3.cfg sgi IRIX Unix release 3.x (obsolete)
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* hpux.cfg Hewlett Packard HP-Unix
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* aix.cfg IBM AIX Unix
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* posix.cfg default for unknown Unix systems
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* win32.cfg MS Windows (Visual C compilers)
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* cygwin.cfg Cygwin on MS Windows http://www.cygwin.com/
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* mingw.cfg MingW on MS Windows http://www.mingw.org/
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<platform>_custom.cfg
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---------------------
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If you want to experiment with changes to the shipped file, then
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you can create a copy named <platform>_custom.cfg, and make your
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changes there. If such a file exists, then it will be used in
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place of the original.
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Contents and format
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-------------------
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Any text starting with a hash character (#) until the end of the
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line is ignored as a comment.
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A config file consists of several sections, each of which is
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introduced by a keyword in brackets.
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Within each section, a configuration directive starts with a
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keyword and a colon, followed by the data assigned to that keyword.
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Sections
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--------
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[install] # directories where to install the software
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[build] # compile and link instructions for production builds
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[debug] # compile and link instructions for debug builds
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[code] # code compatibility configuration
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Install section
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---------------
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# The root directory of the Radiance installation
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RAD_BASEDIR: /opt/radiance3.6
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# The following are relative to RAD_BASEDIR!
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# The directory for executables
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RAD_BINDIR: bin
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# The directory for support files (.cal, .pic, .fnt, etc.)
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RAD_RLIBDIR: share/lib
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# The directory for the man pages
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RAD_MANDIR: share/man
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Debug and Build sections
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------------------------
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# The same keywords can (and usually will) be used in both, but
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# their assigned values will often differ.
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# The compiler to use (example: Gnu gcc)
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CC: gcc
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# The directories for system header files (not normally needed).
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CPPPATH:
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# Symbols to define for the preprocessor (example for Cygwin)
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CPPDEFINES: freebsd HDSUF=.exe
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# Flags for the C preprocessor (example
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CPPFLAGS: -O2 -Wall -Wno-uninitialized
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# Flags for the C compiler (example for debug build with gcc)
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CCFLAGS: -pg
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# The directories for system libraries (not normally needed)
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LIBPATH:
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# Flags for the linker (example for debug build on Windows)
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LINKFLAGS: /debug
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# Flags specific to ezxml.c (example for cygwin/mingw)
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EZXML_CPPDEFINES: EZXML_NOMMAP
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# Where to find an installed libtiff and its include files
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# (Not needed when on a standard search path)
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# If no libtiff is found here or on the standard paths, then
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# Radiance will build its own.
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TIFFLIB:
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TIFFINCLUDE:
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The Code section
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----------------
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# There should be no need to edit this section in existing
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# config files. If you create a new file for a yet untested
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# platform, you may need to ask on the dev-list what will
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# work here.
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RAD_COMPAT: # theoretically obsolete (src/common/strcmp.c)
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RAD_MATHCOMPAT: # erf.c floating point error function
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RAD_ARGSCOMPAT: # fixargv0.c for Windows
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RAD_NETCOMPAT: # [win_]netproc.c for ranimate
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RAD_MLIB: # usually 'm', or any fastlib available
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RAD_SOCKETLIB: # ws_2_32 on Windows (VC links it automatically)
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RAD_PROCESS: # our process abstraction and win_popen()
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RAD_PCALLS: # more custom process abstraction
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