% Copyright 1996-2000 Critical Mass, Inc. All rights reserved.
% See file COPYRIGHT-CMASS for details.
% 
% Standard configuration file for FreeBSD 3.x with ELF object files
%

%-------------------------------------------------- compilation environment ---

%M3_PROFILING = TRUE  % set by cm3 since 5.1.2 (-profile option)
%M3_PROFILING = FALSE

readonly TARGET       = "PPC_DARWIN"      % code generation target
if M3_PROFILING 
  readonly BUILD_DIR  = TARGET & "p"      % code generation target
else
  readonly BUILD_DIR  = TARGET            % directory for results
end
readonly OS_TYPE      = "POSIX"           % { "WIN32" or "POSIX" }
readonly WORD_SIZE    = "32BITS"          % { "32BITS" or "64BITS" }
readonly GNU_PLATFORM = "powerpc-apple-darwin6.3" 
                                          % "cpu-vendor-os" string for GNU
%readonly INSTALL_KEY  = BEGIN_CONFIG
%  "What is your installation key?"
%    14 %-- user specified key
%END_CONFIG

readonly NAMING_CONVENTIONS = "0"
%                                        object files       libraries
%  0=Unix                          =>  .o   .io    .mo       libXX.a
%  1=Unix with a grumpy C compiler =>  .o   _i.o   _m.o      libXX.a
%  2=Windows NT or Windows 95      =>  .obj .io    .mo       XX.lib
%

%-------------------------------------------------- default compile options ---
% "set_config_options" is called before starting the compilation.  It should
% be used to provide system-wide default options.

proc set_config_options () is
  m3_option ("-why")   %-- produce a listing that explains what's happening and why
  m3_debug (TRUE)      %-- produce object code with debugging symbols
  M3_OPTIONS += "-w1"  %-- produce "level 1" warnings
end

%--------------------------------------------------------- Reactor defaults ---
% The first time a user runs Reactor, it will configure itself to use
% the executables defined below.

%INITIAL_REACTOR_BROWSER = BEGIN_CONFIG
%  "What should be the default World-Wide Web browser for new Reactor users?"
%     0  "netscape"
%     6 "/usr/local/bin"           "netscape"
%     6 "/usr/local/netscape/bin"  "netscape"
%     6 "/usr/local/netscape/bin"  "netscape-3"
%     6 "/usr/local/netscape/bin"  "netscape-2"
%     6 "/usr/local/netscape"      "netscape"
%     6 "/usr/local/mosaic"        "mosaic"
%     6 "/usr/local/moasic"        "Xmosaic"
%END_CONFIG
% A World-Wide Web browser.  Reactor passes it an initial URL
% its first command-line argument.

INITIAL_REACTOR_EDITOR = "vi"
% A text editor.  Reactor passes it "<file> +<line>" on the
% command-line when it wants to edit <file> initially positioned
% at <line>.

%------------------------------------------------------------- export paths ---
% During the installation, destination directories that do not exists 
% will be created. You need the necessary permissions to do so; otherwise,
% the installation will fail, but can be restarted after you have 
% fixed the permissions.

PREFIX       = @PREFIX@
INSTALL_ROOT = @INSTALL_ROOT@

BIN_INSTALL   = INSTALL_ROOT & "/bin"        % executables
if M3_PROFILING 
  LIB_INSTALL   = INSTALL_ROOT & "/libp"       % libraries
else
  LIB_INSTALL   = INSTALL_ROOT & "/lib"        % libraries
end
PKG_INSTALL   = INSTALL_ROOT & "/pkg"        % packages
DOC_INSTALL   = INSTALL_ROOT & "/doc"        % documents
EMACS_INSTALL = INSTALL_ROOT & "/elisp"      % emacs lisp code
MAN_INSTALL   = INSTALL_ROOT & "/man"        % man pages
HTML_INSTALL  = INSTALL_ROOT & "/www"        % public hypertext

% On some systems (e.g. AFS) you must install public files in a different
% place from where you use them.  If that is the case for your system,
% specify the "use" location here, otherwise leave them alone.
%
USE_ROOT  = @USE_ROOT@
BIN_USE   = USE_ROOT & "/bin"  % executables
LIB_USE   = USE_ROOT & "/lib"  % libraries
PKG_USE   = INSTALL_ROOT & "/pkg"  % packages

readonly INSTALL_IMPLS = TRUE
% TRUE
%    => save all source files during the install
%    => makes debugging easier and browsing more fruitful
% FALSE
%    => save only the exported interfaces and templates 
%    => makes the installed system slightly smaller.

%------------------------------------------------ external system libraries ---
% SYSTEM_LIBS provides a mapping from Modula-3 names for the common
% external libraries to site-dependent information about how they
% are accessed.  If SYSTEM_LIBS{x} is defined it should be a list
% of linker arguments that are used when linking against that library.
% If SYSTEM_LIBS{x} is not defined, the Modula-3 system will assume
% that the library is not available.

SYSTEM_LIBS = {
  "LIBC"       : [ "-lm" ],
% "LEX-YACC"   : [ "-L/usr/lib", "-ll" ],
% "FLEX-BISON" : [ "-L/usr/lib", "-lfl" ],
  "POSTGRES95" : [ "-L/usr/local/pgsql/lib", "-lpq" ],
  "OPENGL"     : [ "-L/usr/X11R6/lib", "-lGLU", "-lGL", "-lXext" ],
% FIXME: What is this?  PKG_USE & "/pgodbc/FreeBSD3/libpgodbc.a" ],
  "MOTIF"      : [ "-L/usr/X11R6/lib", "-lXm" ],
  "X11"        : [ "-L/usr/X11R6/lib", "-lXaw", "-lXmu", "-lXext", "-lXt", "-lSM", "-lICE", "-lX11" ],
  "TCP"        : [ ]
}

% SYSTEM_LIBORDER defines the order in which SYSTEM_LIBS should be
% scanned by the linker.

SYSTEM_LIBORDER = [ "OPENGL", "DECPEX", "MOTIF", "X11", "TCP", "ODBC",
                    "POSTGRES95", "FLEX-BISON", "LEX-YACC", "LIBC" ]

%---------------------------------------------------------- system programs ---

readonly SYSTEM_CC  = "gcc"
readonly SYSTEM_AR  = "ar"
readonly SYSTEM_RANLIB  = "ranlib"
readonly SYSTEM_ASM = "as"

%--------------------------------------------------------- Modula-3 backend ---
% For platforms without an integrated backend, "m3_backend" is called to
% translate Modula-3 intermediate code to object code.

readonly m3back = "@" & BIN_USE & "/cm3cg"

proc m3_backend (source, object, optimize, debug) is
  local args = [ "-quiet", source, "-o", object, "-fPIC" ]
  if optimize  args += "-O"  end
  if debug     args += "-g"  end
  if M3_PROFILING args += "-p" end
  return try_exec (m3back, args)
end

M3_BACKEND_MODE = "3"
% -- defines how the frontend, backend, and assembler interact
%  "0"  -- don't call m3_backend, M3CG produces object code
%  "1"  -- don't call m3_backend, M3CG produces assembly code
%  "2"  -- call m3_backend, it produces object code
%  "3"  -- call m3_backend, it produces assembly code

%--------------------------------------------------------------- C compiler ---
% "compile_c" is called to compile C source files.  Note that this function
% is only called if your program or library explicitly includes C source
% code, the system distributed by Critical Mass does not.

proc compile_c (source, object, options, optimize, debug) is
  local args = [ "-fPIC", options ]
  if optimize  args += "-O"  end
  if debug     args += "-g"  end
  if M3_PROFILING args += "-pg" end
  return try_exec ("@" & SYSTEM_CC, args, "-c", source)
end

%---------------------------------------------------------------- assembler ---
% "assemble" is called to assemble .s or .asm files.  Note that this function
% is only called if your program or library explicitly includes assembly source
% code, the system distributed by Critical Mass does not.

proc assemble (source, object) is
  return try_exec ("@" & SYSTEM_ASM, source, "-o", object)
end

%--------------------------------------------------------- library creation ---
% "make_lib" is called to combine a collection of object modules into
% a library.

proc make_lib (lib, options, objects, imported_libs, shared) is
  local vmaj     = "5"
  local vmin     = "2"
  local version  = vmaj & "." & vmin
  local ret_code = 0
  local lib_a    = format ("lib%s.a", lib)
  local lib_so   = format ("lib%s.dylib", lib)
  local lib_sox  = format ("lib%s.%s.dylib", lib, vmaj)
  local lib_soxx = format ("lib%s.%s.dylib", lib, version)
  local lib_pn   = PREFIX & "/" & lib_soxx

  % first, build the non-shared library
  ret_code = try_exec ("@" & SYSTEM_AR, "cru", lib_a, objects)
  if not equal (ret_code, 0) return ret_code end
  ret_code = try_exec ("@" & SYSTEM_RANLIB, lib_a)
  if not equal (ret_code, 0) return ret_code end

  if shared
    % build the shared library   
    ret_code = try_exec ("@libtool -dynamic -flat_namespace",
                         "-undefined suppress -compatibility_version", vmaj,
                         "-current_version", version, "-install_name", lib_pn,
                         "-o", lib_soxx, objects, "-lcc_dynamic")
    if not equal (ret_code, 0)
      delete_file (lib_a)
      return ret_code
    end

    % create the version aliases
    link_file(lib_soxx, lib_sox)
    link_file(lib_sox, lib_so)

    % finally, make sure the shared library stuff gets installed properly
    install_derived (lib_soxx)
    install_derived_link (lib_soxx, lib_sox)
    install_derived_link (lib_sox, lib_so)
    install_link_to_derived (lib_soxx, LIB_INSTALL)
    install_link_to_derived (lib_sox, LIB_INSTALL)
    install_link_to_derived (lib_so, LIB_INSTALL)
  else
    delete_file (lib_so)
    delete_file (lib_sox)
    delete_file (lib_soxx)
  end

  return 0
end

%-------------------------------------------------------------------
% "skip_lib" is called when the compiler decides it doesn't need to
% call "make_lib", but it wants to discover the names of the derived
% files that should be deleted or shipped.

proc skip_lib (lib, shared) is
  local vmaj     = "5"
  local vmin     = "2"
  local version  = vmaj & "." & vmin
  local ret_code = 0
  local lib_a    = format ("lib%s.a", lib)
  local lib_so   = format ("lib%s.dylib", lib)
  local lib_sox  = format ("lib%s.%s.dylib", lib, vmaj)
  local lib_soxx = format ("lib%s.%s.dylib", lib, version)

  if shared
    % make sure the shared library stuff gets installed properly
    install_derived (lib_soxx)
    install_derived (lib_sox)
    install_derived (lib_so)
    install_link_to_derived (lib_soxx, LIB_INSTALL)
    install_link_to_derived (lib_sox, LIB_INSTALL)
    install_link_to_derived (lib_so, LIB_INSTALL)
  else
    delete_file (lib_so)
    delete_file (lib_sox)
    delete_file (lib_soxx)
  end

  return 0

  return 0
end

%------------------------------------------------------------------- linker ---
% "m3_link" is called to produce a final executable.
%---  "-pdb:none" enables the use of windbg with the resulting executable.

proc m3_link (prog, options, objects, imported_libs, shared) is
  local args = []
  if M3_PROFILING args += "-pg" end
  args += [ "-o", prog, "-fPIC", options, objects, imported_libs ]
  args += [ "-shared-libgcc" ]
  return try_exec ("@" & SYSTEM_CC, args)
end

%-------------------------------------------------------------------
% "skip_link" is called when the compiler decides it doesn't need to
% call "m3_link", but it wants to discover the names of the derived
% files that should be deleted or shipped.

proc skip_link (prog, shared) is
  return 0
end

%------------------------------------------------------------ misc. options ---
% Note, most of these options can be set from the command line.  Otherwise,
% they can be set "permanently" here in the config file or in as needed
% in user's m3makefiles.

M3_FRONT_FLAGS = [ ]
% --- internal configuration options passed directly to the Modula-3 front-end

M3_OPTIONS = [ ]
% --- user options passed directly to the Modula-3 front-end

% M3_KEEP_FILES = TRUE
% --- keep intermediate and temporary files

% M3_WINDOWS_GUI = TRUE
% --- generate a Windows GUI subsystem program instead of a console one.

% M3_COVERAGE = TRUE
% --- compile & link with coverage options

M3_COVERAGE_LIB = LIB_USE & "/report_coverage.o"
% --- library linked in programs compiled with "-Z" coverage option

% M3_SPLIT_LIBNAMES = TRUE
% --- split library names and pass -L/-l arguments to the linker

M3_SPLIT_LIBNAMES_IF_SHARED = TRUE
% --- split library names and pass -L/-l arguments to the linker if linking
%     dynamically, pass full library names else
%     (assumes M3_SPLIT_LIBNAMES = FALSE)

% M3_SHARED_LIB_ARG = "-Wl,-R"
% --- pass "-R" flags to the linker too...

% M3_BOOTSTRAP = TRUE
% --- generate bootstrap code (assembly) instead of finaly object code

% M3_COMPILE_ONCE = TRUE
% --- don't recompile code to improve opaque object references

% SYS_HAS_LOADER = TRUE
% --- generate a loader info file with objects, libraries and timestamps

% M3_SKIP_LINK = TRUE
% --- skip the final link for programs, presumably to use the loader instead

% M3_MAIN_IN_C = TRUE
% --- generate the Modula-3 main program as C code

X11_WITH_SHARED_MEM = TRUE
% --- X11 libraries include the shared memory extensions (XShm...)

%M3_NEED_STANDALONE_LINKS = TRUE
% --- linker is broken and we need to build a directory of symbolic
%     links pointing to the non-shared libraries.

%-------------------------------------------------------------------- emacs ---
% If you have emacs and want to compile ".el" files to ".elc" files,
% fill in the function below.  Otherwise, comment out or delete the
% entire function.  Note, the distributed code assumes gnuemacs version 19
% or later.

readonly proc emacs_compile (el) is
  exec ("emacs -batch -f batch-byte-compile", el)
end

%------------------------------------------------------------- GNU variants ---
% The two large pieces of GNU software used by the Modula-3 system
% gcc(=m3cc) and gdb(=m3gdb) often require slightly different C compilers
% or flags.  They are specified here.  Note that they may be overridden
% from the m3build command line.
%
% To use the GNU defaults for CC and CFLAGS, specify "*".
%

GNU_CC     = "gcc"
GNU_CFLAGS = "-g"
GNU_MAKE   = "make"
