% cm3 config file

readonly TARGET       = "GENTOO_TARGET"
if M3_PROFILING
  readonly BUILD_DIR  = TARGET & "p"
else
  readonly BUILD_DIR  = TARGET
end
readonly OS_TYPE      = "POSIX"
readonly WORD_SIZE    = "32BITS"
readonly GNU_PLATFORM = "GENTOO_GNU_PLATFORM"

readonly NAMING_CONVENTIONS = "0"

proc set_config_options () is
  m3_option ("-why")
  m3_debug (TRUE)
  M3_OPTIONS += "-w1"
end

INITIAL_REACTOR_EDITOR = "GENTOO_INITIAL_REACTOR_EDITOR"

ROOT="GENTOO_ROOT"

INSTALL_ROOT = "GENTOO_INSTALL_ROOT"

BIN_INSTALL     = INSTALL_ROOT & "/bin"
if M3_PROFILING
  LIB_INSTALL   = INSTALL_ROOT & "/libp"
else
  LIB_INSTALL   = INSTALL_ROOT & "/lib"
end
PKG_INSTALL   = INSTALL_ROOT & "/pkg"
DOC_INSTALL   = INSTALL_ROOT & "/doc"
EMACS_INSTALL = INSTALL_ROOT & "/elisp"
MAN_INSTALL   = INSTALL_ROOT & "/man"
HTML_INSTALL  = INSTALL_ROOT & "/www"

USE_ROOT  = INSTALL_ROOT
BIN_USE   = BIN_INSTALL
LIB_USE   = LIB_INSTALL
PKG_USE   = PKG_INSTALL

readonly INSTALL_IMPLS = TRUE

SYSTEM_LIBS = {
  "LIBC"       : [ "-lm" ],
  "FLEX-BISON" : [ "-lfl" ],
  "OPENGL"     : [ "-lGLU", "-lGL", "-lXext" ],
  "MOTIF"      : [ "-lXm" ],
  "X11"        : [ "-lXaw", "-lXmu", "-lXext", "-lXt", "-lSM", "-lICE", "-lX11" ],
%  "POSTGRES95" : [ ]
%  "ODBC"       : [ ]
  "TCP"        : [ ]
}

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

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

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

proc m3_backend (source, object, optimize, debug) is
  local args = [ "-quiet", source, "-o", object ]
  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"

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

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

GCWRAPFLAGS = "-Wl,--wrap,adjtime,--wrap,getdirentries,--wrap,readv,--wrap,utimes,--wrap,wait3"

proc make_lib (lib, options, objects, imported_libs, shared) is
  local ret_code = 0
  local lib_a    = format ("lib%s.a", lib)
  local lib_so   = format ("lib%s.so", lib)
  local lib_sox  = format ("lib%s.so.5", lib)

  % first, build the non-shared library
  ret_code = try_exec ("@/usr/bin/ar", "crus", lib_a, objects)
  if not equal (ret_code, 0) return ret_code end

  if shared
    % build the shared library
    if M3_PROFILING 
      ret_code = try_exec ("@" & SYSTEM_CC, "-pg -shared " & GCWRAPFLAGS & 
                           "-Wl,-soname," & lib_sox,
                           "-o", lib_sox, objects)
    else
      ret_code = try_exec ("@" & SYSTEM_CC, "-shared " & GCWRAPFLAGS & 
                           "-Wl,-soname," & lib_sox,
                           "-o", lib_sox, objects)
    end
    if not equal (ret_code, 0) return ret_code end

    % create the version aliases
    link_file(lib_sox, lib_so)

    % finally, make sure the shared library stuff gets installed properly
    install_derived (lib_sox)
    install_derived_link (lib_sox, lib_so)
    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)
  end

  return 0
end

proc skip_lib (lib, shared) is
  local lib_so   = format ("lib%s.so", lib)
  local lib_sox  = format ("lib%s.so.5", lib)

  if shared
    % make sure the shared library stuff gets installed properly
    install_derived (lib_sox)
    install_derived (lib_so)
    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)
  end

  return 0
end

proc m3_link (prog, options, objects, imported_libs, shared) is
  local args = []
  if M3_PROFILING args += "-pg" end
  args += [ "-o", prog, options, objects, imported_libs ]
  if shared
    return try_exec ("@" & SYSTEM_CC, args, GCWRAPFLAGS)
  else
    return try_exec ("@" & SYSTEM_CC, "-static", args, GCWRAPFLAGS)
    %%% -- see M3_NEED_STANDALONE_LINKS  below
    %%%return try_exec ("@" & SYSTEM_CC, args)
  end
end

proc skip_link (prog, shared) is
  return 0
end

M3_FRONT_FLAGS = [ ]
M3_OPTIONS = [ ]
% M3_KEEP_FILES = TRUE
M3_WINDOWS_GUI = FALSE
% M3_COVERAGE = TRUE
M3_COVERAGE_LIB = LIB_USE & "/report_coverage.o"
M3_SPLIT_LIBNAMES = TRUE
M3_SHARED_LIB_ARG = "-Wl,-R"
% M3_BOOTSTRAP = TRUE
% M3_COMPILE_ONCE = TRUE
% SYS_HAS_LOADER = TRUE
% M3_SKIP_LINK = TRUE
% M3_MAIN_IN_C = TRUE
% X11_WITH_SHARED_MEM = TRUE
%M3_NEED_STANDALONE_LINKS = TRUE

GNU_CC     = "GENTOO_GNU_CC"
GNU_CFLAGS = "GENTOO_GNU_CFLAGS"
GNU_MAKE   = "GENTOO_GNU_MAKE"